CN204677104U - Manned moving can lock book ladder - Google Patents
Manned moving can lock book ladder Download PDFInfo
- Publication number
- CN204677104U CN204677104U CN201520347072.3U CN201520347072U CN204677104U CN 204677104 U CN204677104 U CN 204677104U CN 201520347072 U CN201520347072 U CN 201520347072U CN 204677104 U CN204677104 U CN 204677104U
- Authority
- CN
- China
- Prior art keywords
- main body
- body rack
- ladder
- bearing pin
- lever
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Ladders (AREA)
Abstract
The utility model discloses a kind of manned moving and can lock book ladder, belong to book ladder technical field.The utility model comprises ladder portion and can move can latch mechanism, described ladder portion comprises main body rack I and main body rack II, main body rack I and main body rack II are vertical beam towards the side of bookshelf, some horizontal guard beams are housed between vertical beam, there is ladder support frame middle and lower part between main body rack I and main body rack II, between the bottom of ladder support frame and the bottom of main body rack I and main body rack II, longitudinal bottom girder is housed, universal wheel is equipped with at the two ends of longitudinal bottom girder; Described moving can comprise double rocking lever controlling organization and bottom actuator by latch mechanism, is connected between double rocking lever controlling organization and bottom actuator by wire rope.The utility model achieves the flexible movement of book ladder and locked, flexibly and easily, decreases the labour intensity of taking care of books.
Description
Technical field
The utility model relates to a kind of manned movable ladder, belongs to ladder technical field.
Background technology
The height of library bookshelf usually higher than the height that most of librarian can conveniently arrange, so, need the help of book ladder.Existing book ladder has four universal wheels, two supporting legs, and wherein two universal wheels are terraced relative to book incompressible in short transverse, and two universal wheels are terraced relative to book compressible in short transverse, and two supporting legs do not contact to earth at ordinary times.When librarian does not submit a written statement to a higher authority ladder, four universal wheels contact to earth, and two supporting legs do not contact to earth, and librarian can arrive operating position by movable book ladder easily.When librarian has gone up book ladder, wherein compressed under the effect of librarian's gravity by two universal wheels of resiliency supported, result is that two supporting legs do not contacted to earth at ordinary times contact to earth, and at this moment, book ladder is contacted to earth by four universal wheels and two supporting legs simultaneously, article two, supporting leg contacts to earth and has frictional force with ground, so book ladder is irremovable relative to ground, like this, librarian just can stand firm, can finishing book relievedly.When current shop book is organized, book ladder under librarian, movable book ladder, to the place needing to continue to arrange, continues work above.Librarian constantly plays book ladder, ladder of submitting a written statement to a higher authority, and is not only tiring thing, and inefficiency.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art part, the utility model provides a kind of manned moving can lock book ladder, and when arranging book, book ladder is inactive relative to ground; When wanting to move to next position, as long as remove locking state, book ladder can move along any direction, when moving to the position of needs, again locked, and book ladder is no longer movable relative to ground, and librarian can continue finishing book.
The utility model is achieved by the following technical solution: a kind of manned moving can lock book ladder, it comprises ladder portion and can move can latch mechanism, described ladder portion comprises main body rack I and main body rack II, main body rack I and main body rack II are vertical beam towards the side of bookshelf, some horizontal guard beams are housed between vertical beam, main body rack I and main body rack II form the arm-rest frame of band bending away from the side of bookshelf, there is ladder support frame middle and lower part between main body rack I and main body rack II, ladder support frame is horizontally installed with pedal and ladder, between the bottom of ladder support frame and the bottom of described main body rack I, longitudinal bottom girder I is housed, between the bottom of ladder support frame and the bottom of described main body rack II, longitudinal bottom girder II is housed, universal wheel is equipped with at described longitudinal bottom girder I and the two ends of longitudinal bottom girder II,
A longitudinally guard bar I is equipped with on the top of described main body rack I, a longitudinally guard bar II is equipped with on the top of main body rack II, described moving can comprise double rocking lever controlling organization and bottom actuator by latch mechanism, be connected by wire rope between double rocking lever controlling organization and bottom actuator, described double rocking lever controlling organization is arranged on described longitudinal direction and props up on guard bar I, described double rocking lever controlling organization comprises hand handle, front rocking bar and rear rocking bar, one end of described front rocking bar is hinged on by bearing pin D longitudinally props up on guard bar I, the other end of front rocking bar is hinged on described hand upper by bearing pin A, described rear rocking bar forms " V " font rigid body by upper branch arm and lower branch arm, the corner of rear rocking bar is hinged on described longitudinal direction by bearing pin E and props up on guard bar I, one end of rear rocking bar upper branch arm is hinged on described hand upper by bearing pin B, one end of rear rocking bar lower branch arm is hinged on the upper end of wire rope by bearing pin C, when book ladder is in locking state, described hand is being pressed to self-locking extreme position, described bearing pin A, bearing pin B and bearing pin D is positioned on straight line, the upper branch arm of described rear rocking bar abuts in the inner side of described main body rack I vertical beam, when book ladder is in released state, the lower branch arm of described rear rocking bar abuts in described longitudinal direction and props up above guard bar I, described bottom actuator comprises right lever and lever left, the middle part of right lever and lever left is hinged on the below of described longitudinal bottom girder I, by connecting hinge of restricting between right lever and lever left, gap is had between the bottom surface of released state bottom right lever and lever left and ground, lever left is equipped with friction shim II away from the one end connecting rope bearing pin, right lever is equipped with friction shim I away from the one end connecting rope bearing pin, and described right lever and lever left are also equipped with resetting-mechanism, multiple the turn to bearing pins of described wire rope from described bearing pin C on pile warp main body rack I are connected on described company's rope bearing pin.
Described double rocking lever controlling organization replacement is arranged on described longitudinal direction and props up on guard bar II, described bottom actuator is replaced and is arranged on described longitudinal bottom girder II, and multiple the turn to bearing pins of described wire rope from described bearing pin C on pile warp main body rack II are connected on described company's rope bearing pin.
Described resetting-mechanism is arranged on the torsion spring on the middle part jointed shaft of right lever and lever left respectively.
The beneficial effects of the utility model are: the utility model achieves the flexible movement of book ladder and locked, and when arranging book, book ladder is inactive relative to ground; When wanting to move to next position, as long as remove locking state, book ladder can move along any direction, when moving to the position of needs, again locked, and book ladder is no longer movable relative to ground, and librarian can continue finishing book.Flexibly and easily, the labour intensity of taking care of books is decreased.Meanwhile, the utility model have employed lever augmented method, and make the pulling force of wire rope be only (1/2)/2=1/4 of the gravity of people, the pulling force of wire rope is less, and action is relatively flexible.The utility model employs wire rope and bearing pin and to commutate the unidirectional delivery of carrying out moving, and wire rope is positioned at the inside of seamless steel pipe, uses spring to solve the reverse reset issues of motion, simplifies the mechanism design that the self-locking of book ladder unlocks.
Accompanying drawing explanation
According to drawings and embodiments the utility model is further illustrated below.
Fig. 1 is the utility model structural representation;
Fig. 2 is the left view of Fig. 1.
In figure, hand is (1); Front rocking bar (2); A longitudinally guard bar I (3); Main body rack II (4); Upper guard bar (5); A longitudinally guard bar II (6); Main body rack I (7); Middle guard bar (8); A guard bar (9) in rear; Pedal (10); Middle support bar (11); Right support bar (12); Lower support bar (13); Longitudinal bottom girder II (14); Ladder support frame (15); Connect bearing pin (16) of restricting; Right rubber pad (17); Right torsion spring (18); Right lever (19); Lever left (20); Left torsion spring (21); Left rubber pad (22); Universal wheel (23); Longitudinal bottom girder I (24); Ladder first rank front bar (25); Front bar (26) after ladder; Ladder rear transverse rod (27); Ladder second-order front bar (28); Wire rope (29); Rear rocking bar (30).
Detailed description of the invention
Below in conjunction with embodiment, the utility model is further illustrated.
Manned the moving of one as shown in Figure 1 and Figure 2 can lock book ladder, it comprises ladder portion and can move can latch mechanism, described ladder portion comprises main body rack I 7 and main body rack II 4, main body rack I 7 and main body rack II 4 are vertical beam towards the side of bookshelf, vertical beam can adopt seamless steel pipe, some horizontal guard beams are housed between vertical beam, and these horizontal guard beams comprise guard bar 5, middle guard bar 8, lower support bar 13; Main body rack I 7 and main body rack II 4 form the arm-rest frame of band bending away from the side of bookshelf, there is ladder support frame 15 middle and lower part between main body rack I 7 and main body rack II 4, ladder support frame 15 is horizontally installed with pedal 10 and ladder, ladder support frame 15 comprises front bar 26, ladder rear transverse rod 27, ladder second-order front bar 28 after ladder first rank front bar 25, ladder; Middle support bar 11 and right support bar 12 is also supported with below pedal 10; Between the bottom of ladder support frame 15 and the bottom of described main body rack I 7, longitudinal bottom girder I 24 is housed, between the bottom of ladder support frame 15 and the bottom of described main body rack II 4, longitudinal bottom girder II 14 is housed, universal wheel 23 is equipped with at described longitudinal bottom girder I 24 and the two ends of longitudinal bottom girder II 14.
A longitudinally guard bar I 3 is equipped with on the top of described main body rack I 7, a longitudinally guard bar II 6 is equipped with on the top of main body rack II 4, described moving can comprise double rocking lever controlling organization and bottom actuator by latch mechanism, be connected by wire rope 29 between double rocking lever controlling organization and bottom actuator, described double rocking lever controlling organization is arranged on described longitudinal direction and props up on guard bar I 3, described double rocking lever controlling organization comprises hand 1, front rocking bar 2 and rear rocking bar 30, one end of described front rocking bar 2 is hinged on by bearing pin D longitudinally props up on guard bar I 3, the other end of front rocking bar 2 is hinged on described hand on 1 by bearing pin A, described rear rocking bar 30 forms " V " font rigid body by upper branch arm and lower branch arm, the corner of rear rocking bar 30 is hinged on described longitudinal direction by bearing pin E and props up on guard bar I 3, one end of rear rocking bar 30 upper branch arm is hinged on described hand on 1 by bearing pin B, one end of rear rocking bar 30 lower branch arm is hinged on the upper end of wire rope 29 by bearing pin C, when book ladder is in locking state, described hand is pressed to self-locking extreme position 1, described bearing pin A, bearing pin B and bearing pin D is positioned on straight line, the upper branch arm of described rear rocking bar 30 abuts in the inner side of described main body rack I 7 vertical beam, when book ladder is in released state, the lower branch arm of described rear rocking bar 30 abuts in described longitudinal direction and props up above guard bar I 3, described bottom actuator comprises right lever 19 and lever left 20, the middle part of right lever 19 and lever left 20 is hinged on the below of described longitudinal bottom girder I 24, hinged by connecting rope bearing pin 16 between right lever 19 and lever left 20, gap is had between the bottom surface of released state bottom right lever 19 and lever left 20 and ground, lever left 20 is equipped with friction shim II 22 away from the one end connecting rope bearing pin 16, friction shim can adopt rubber pad, right lever 19 is equipped with friction shim I 17 away from the one end connecting rope bearing pin 16, and described right lever 19 and lever left 20 are also equipped with resetting-mechanism, multiple the turn to bearing pins of described wire rope 29 from described bearing pin C on pile warp main body rack I 7 are connected on described company's rope bearing pin 16.
Can move can the installation site of latch mechanism can be in contrast with the previous embodiment, namely described double rocking lever controlling organization replacement is arranged on described longitudinal direction and props up on guard bar II 6, described bottom actuator is replaced and is arranged on described longitudinal bottom girder II 14, and multiple the turn to bearing pins of described wire rope 29 from described bearing pin C on pile warp main body rack II 4 are connected on described company's rope bearing pin 16.
Described resetting-mechanism is arranged on the torsion spring on the middle part jointed shaft of right lever 19 and lever left 20 respectively.
The utility model achieves the flexible movement of book ladder and locked, and when arranging book, book ladder is inactive relative to ground; When wanting to move to next position, as long as remove locking state, book ladder can move along any direction, when moving to the position of needs, again locked, and book ladder is no longer movable relative to ground, and librarian can continue finishing book.Flexibly and easily, the labour intensity of taking care of books is decreased.Meanwhile, the utility model have employed lever augmented method, and make the pulling force of wire rope be only (1/2)/2=1/4 of the gravity of people, the pulling force of wire rope is less, and action is relatively flexible.The utility model employs wire rope and bearing pin and to commutate the unidirectional delivery of carrying out moving, and wire rope is positioned at the inside of seamless steel pipe, uses spring to solve the reverse reset issues of motion, simplifies the mechanism design that the self-locking of book ladder unlocks.
In Fig. 1, Fig. 2, A be connecting rod hand 1 with the connection bearing pin of front rocking bar 2, A1, A1 are two extreme positions of A; B be connecting rod hand 1 with the connection bearing pin of rear rocking bar 30, B1, B1 are two extreme positions of B; C is the connection bearing pin of rear rocking bar 30 and wire rope 29, and C1, C2 are two extreme positions of C; D is front rocking bar 2 and the connection bearing pin longitudinally propping up guard bar I 3; E is rear rocking bar 30 and the connection bearing pin longitudinally propping up guard bar I 3; F1, F2, F3, F4 are the break-in bearing pin of wire rope 29; G1 is the connection bearing pin of right lever 19 with longitudinal bottom girder I 24; G2 is the connection bearing pin of lever left 20 with longitudinal bottom girder I 24.
As shown in drawings, its operating principle is: as the hand of connecting rod 1, front rocking bar 2, longitudinally a guard bar I 3, rear rocking bar 30 form a double rocker mechanism with auto-lock function, people stands on book ladder, when hand 1 by the right hand to when pressing down, the bearing pin on rear rocking bar 30
cfrom position
c 1swing to position
c 2, the upper end of wire rope 29 and bearing pin
cbe connected, the lower end of wire rope 29 is connected with bearing pin 16 of even restricting, connect rope bearing pin 16 to top offset one segment distance, thus drive lever left 20 counter-clockwise swing, friction shim II 22 contacts to earth, simultaneously, drive right lever 19 clockwise oscillation, friction shim I 17 contacts to earth, and achieves not rotatable two flat blocks of book ladder and ground compresses, and the bottom surface of two flat blocks is lower than bottom 1 mm of two, right side universal wheel, under the effect of frictional force, book ladder can not remake relative motion relative to ground, now, and the bearing pin hinge in double rocker mechanism
a 2,
b 2,
dbe positioned on straight line, be in self-locking state, the left surface of rear rocking bar 30 and the contact of main body rack I 7, ensure
a 2,
b 2,
dall the time be positioned on straight line, be in self-locking state all the time, when hand leave hand 1 time, double rocker mechanism is still inactive, and now, the people on book ladder can the row's of being engaged in book work.When removing book ladder with ground locking state, connecting rod hand upwards lifts 1, another part downside of rear rocking bar 30 and contacting above of longitudinal guard bar I 3, illustrate that hand has lifted 1, need not lift again, now, left torsion spring 21 by lever left 20 clockwise oscillation, friction shim II 22 is liftoff 10 mm, simultaneously, right torsion spring 18 is by right lever 19 counter-clockwise swing, friction shim I 17 is liftoff 10 mm, book ladder unlocks with ground, and people stands on book ladder, hand push bookshelf, book ladder can move left and right.
Claims (3)
1. manned moving can lock book ladder, it is characterized in that: it comprises ladder portion and can move can latch mechanism, described ladder portion comprises main body rack I (7) and main body rack II (4), main body rack I (7) and main body rack II (4) are vertical beam towards the side of bookshelf, some horizontal guard beams are housed between vertical beam, main body rack I (7) and main body rack II (4) form the arm-rest frame of band bending away from the side of bookshelf, there is ladder support frame (15) middle and lower part between main body rack I (7) and main body rack II (4), ladder support frame (15) is horizontally installed with pedal (10) and ladder, between the bottom of ladder support frame (15) and the bottom of described main body rack I (7), longitudinal bottom girder I (24) is housed, between the bottom of ladder support frame (15) and the bottom of described main body rack II (4), longitudinal bottom girder II (14) is housed, universal wheel (23) is equipped with at described longitudinal bottom girder I (24) and the two ends of longitudinal bottom girder II (14),
A longitudinally guard bar I (3) is equipped with on the top of described main body rack I (7), a longitudinally guard bar II (6) is equipped with on the top of main body rack II (4), described moving can comprise double rocking lever controlling organization and bottom actuator by latch mechanism, be connected by wire rope (29) between double rocking lever controlling organization and bottom actuator, described double rocking lever controlling organization is arranged on described longitudinal direction and props up on guard bar I (3), described double rocking lever controlling organization comprises hand (1), front rocking bar (2) and rear rocking bar (30), one end of described front rocking bar (2) is hinged on by bearing pin D longitudinally props up on guard bar I (3), the other end of front rocking bar (2) is hinged on described hand on (1) by bearing pin A, described rear rocking bar (30) forms " V " font rigid body by upper branch arm and lower branch arm, the corner of rear rocking bar (30) is hinged on described longitudinal direction by bearing pin E and props up on guard bar I (3), one end of rear rocking bar (30) upper branch arm is hinged on described hand on (1) by bearing pin B, one end of rear rocking bar (30) lower branch arm is hinged on the upper end of wire rope (29) by bearing pin C, when book ladder is in locking state, described hand is pressed to self-locking extreme position (1), described bearing pin A, bearing pin B and bearing pin D is positioned on straight line, the upper branch arm of described rear rocking bar (30) abuts in the inner side of described main body rack I (7) vertical beam, when book ladder is in released state, the lower branch arm of described rear rocking bar (30) abuts in described longitudinal direction and props up above guard bar I (3), described bottom actuator comprises right lever (19) and lever left (20), the middle part of right lever (19) and lever left (20) is hinged on the below of described longitudinal bottom girder I (24), hinged by connecting bearing pin (16) of restricting between right lever (19) and lever left (20), gap is had between the bottom surface of released state bottom right lever (19) and lever left (20) and ground, lever left (20) is equipped with friction shim II (22) away from the one end connecting bearing pin (16) of restricting, right lever (19) is equipped with friction shim I (17) away from the one end connecting bearing pin (16) of restricting, described right lever (19) and lever left (20) are also equipped with resetting-mechanism, multiple the turn to bearing pins of described wire rope (29) from described bearing pin C on pile warp main body rack I (7) are connected in described company's rope bearing pin (16).
2. manned moving according to claim 1 can lock book ladder, it is characterized in that: described double rocking lever controlling organization replacement is arranged on described longitudinal direction and props up on guard bar II (6), described bottom actuator is replaced and is arranged on described longitudinal bottom girder II (14), and multiple the turn to bearing pins of described wire rope (29) from described bearing pin C on pile warp main body rack II (4) are connected in described company's rope bearing pin (16).
3. manned moving according to claim 1 and 2 can lock book ladder, it is characterized in that: described resetting-mechanism is arranged on the torsion spring on the middle part jointed shaft of right lever (19) and lever left (20) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520347072.3U CN204677104U (en) | 2015-05-26 | 2015-05-26 | Manned moving can lock book ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520347072.3U CN204677104U (en) | 2015-05-26 | 2015-05-26 | Manned moving can lock book ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204677104U true CN204677104U (en) | 2015-09-30 |
Family
ID=54176807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520347072.3U Withdrawn - After Issue CN204677104U (en) | 2015-05-26 | 2015-05-26 | Manned moving can lock book ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204677104U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879057A (en) * | 2015-05-26 | 2015-09-02 | 江苏建筑职业技术学院 | Manned movable and lockable book ladder |
| CN106044660A (en) * | 2016-08-09 | 2016-10-26 | 江苏建筑职业技术学院 | Book ladder for self locking and vertical pedal lifting |
| CN106351565A (en) * | 2016-11-09 | 2017-01-25 | 广西大学 | Manned moveable book ladder |
-
2015
- 2015-05-26 CN CN201520347072.3U patent/CN204677104U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879057A (en) * | 2015-05-26 | 2015-09-02 | 江苏建筑职业技术学院 | Manned movable and lockable book ladder |
| CN106044660A (en) * | 2016-08-09 | 2016-10-26 | 江苏建筑职业技术学院 | Book ladder for self locking and vertical pedal lifting |
| CN106351565A (en) * | 2016-11-09 | 2017-01-25 | 广西大学 | Manned moveable book ladder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204677104U (en) | Manned moving can lock book ladder | |
| CN103598748B (en) | Old-man chair | |
| CN209528527U (en) | A kind of massage armchair skeleton | |
| CN104879057B (en) | Manned shifting can lock book ladder | |
| CN109771158B (en) | Nursing wheelchair | |
| CN204851046U (en) | Platform height liftable is terraced with book of original place auto -lock unblock | |
| US2798232A (en) | Mechanism in wheeled hospital beds for raising and lowering the supporting wheels | |
| US2476380A (en) | Lifting mechanism | |
| CN210736001U (en) | Anti-deflection device of crane guide rail | |
| CN205777730U (en) | A kind of capote | |
| CN205626412U (en) | Zero that back of body was fallen to degree of depth leans on wall massage armchair | |
| CN107625594A (en) | Bed uses X-type lowering or hoisting gear | |
| CN210056672U (en) | Double-rail zero-gravity massage chair | |
| CN209712272U (en) | Beddo vertical lifting mechanism | |
| WO2006076828A1 (en) | A hydraulic roof support | |
| CN109152484A (en) | Lifting bed structure with regracting seat support member | |
| CN205180885U (en) | Beautifying bed hydraulic pressure elevation structure | |
| CN204292603U (en) | Interlinking lifting chair | |
| CN203969861U (en) | A kind of Regulative desk structure | |
| CN203539600U (en) | Automatic body overturning mechanism of caring bed | |
| CN208463402U (en) | Adjustable back stent bed | |
| CN106514070A (en) | Welder combined supporting frame with roller wheels | |
| CN207821435U (en) | A kind of English books bookcase | |
| CN207710644U (en) | Adjustable crossbeam shelves moulding bed | |
| CN102679106B (en) | Movable bracket for assembly jig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150930 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |