CN208597927U - A kind of seat arranged for library bookshelf - Google Patents

Abstract

The utility model discloses a kind of seats arranged for library bookshelf, the lower surface fixing assembling of the bottom plate has castor otic placode, connecting shaft is rotatably equipped between former and later two castor otic placodes, castor otic placode fixing assembling castor is run through at the both ends of the connecting shaft, the uniform fixing assembling in lateral wall rear end of the connecting shaft has clamping item, the lateral wall front end sliding sleeve of three connecting shafts is connected to sleeve, the inner wall of three sleeves offers the clamping groove to match with clamping item, assembly connection has connecting rod between the adjacent sleeve, the upper surface of the bottom plate offers through-hole, the upper end fixing assembling of the intermediate sleeve has telescopic rod, and through-hole is run through in the upper end of telescopic rod, the utility model is equipped with brake structure on bottom plate and castor, the braking of castor is controlled by sliding extension bar, library bookshelf is avoided to arrange seat Chair generates unsuitable movement, guarantees being normally carried out for housekeeping when not needing be mobile.

Description

A kind of seat arranged for library bookshelf

Technical field

The utility model relates to library equipment technical field, specially a kind of seat arranged for library bookshelf.

Background technique

When arranging, larger workload, staff's bookshelf in library stands for a long time, is easy to produce feeling of fatigue, Influence working efficiency, while bookshelf is needed when being higher by arrangement using the ascending tools such as ladder, there are some potential safety problemss.

Patent CN201621004412.3 proposes a kind of seat arranged for library bookshelf regarding to the issue above, The seat that can be gone up and down is mounted on slide plate, and using the cooperation of gear-box and lead screw, the adjusting of height of seat is realized, in slide plate Bottom installation multiple groups universal wheel conveniently move freely.

But the universal wheel of patent CN201621004412.3 middle slide plate bottom does not have braking function, staff is whole Body inclination during bookshelf is managed, is easy to influence working efficiency, and need so that inappropriate movement integrally occurs in device Accidentally touching for other staff in library is avoided, I solves the above problems, we are badly in need of the use that a kind of castor has braking function In the seat that library bookshelf arranges.

Utility model content

The purpose of this utility model is to provide a kind of seats arranged for library bookshelf, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides the following technical solutions: a kind of seat arranged for library bookshelf Chair, it is characterised in that: including bottom plate, the lower surface fixing assembling of the bottom plate has at least six castor otic placodes, and castor otic placode Front and back is symmetrical, and connecting shaft is rotatably equipped between former and later two castor otic placodes, and castor is run through at the both ends of the connecting shaft Otic placode fixing assembling castor；

The uniform fixing assembling in lateral wall rear end of the connecting shaft has clamping item, the lateral wall front end of three connecting shafts Sliding sleeve is connected to sleeve, and the inner wall of three sleeves offers the clamping groove to match with clamping item, the adjacent sleeve Between assembly connection have a connecting rod, the upper surface of the bottom plate offers through-hole, and the upper end fixing assembling of the intermediate sleeve has Telescopic rod, and through-hole is run through in the upper end of telescopic rod, the upper surface of the bottom plate is also equipped with lifting seat.

Preferably, the quantity of the clamping item is at least four, and the quantity of the clamping groove is at least four, the clamping Item is identical with the quantity of clamping groove.

Preferably, the axial line of the connecting shaft and castor is overlapped.

Preferably, the lifting seat includes two telescopic components, symmetrical fixing assembling before and after two telescopic components In on bottom plate, and driving assembly is equipped between two telescopic components, the telescopic component includes two the first otic placodes, and two For first otic placode bilateral symmetry fixing assembling on bottom plate, the rear end of left side first otic placode is hinged with the first brace, rear side institute The rear end for stating the first otic placode is hinged with the second brace, first brace and the second brace cross-distribution, second brace Upper end is hinged with third brace, and the upper end of first brace is hinged with the 4th brace, and the third brace and the 4th brace are handed over Fork distribution, the equal fixing assembling in upper end of the third brace and the 4th brace have the second otic placode, two second otic placodes it is upper End fixing assembling has a plate, and the hinged place of second brace and third brace is the first hinge joint, first brace and the The hinged place of four braces is the second hinge joint, and the front end of first hinge joint is hinged with one end of first support bar, and first The other end of support rod is articulated on the 4th brace, and the front end of second hinge joint is hinged with one end of second support bar, and The other end of second support bar is articulated on the second brace.

Preferably, the driving component includes first crossbar and second crossbar, is fixed between two first hinge joints It is equipped with first crossbar, fixing assembling has second crossbar between two second hinge joints, and the left end of the first crossbar is solid Surely it is equipped with cylinder, the inside of the cylinder is plugged with screw rod, second crossbar is bolted on the outside of the screw rod, the screw rod Right end fixing assembling has turntable.

Preferably, the length value of second brace is L, and second brace and second support bar hinged place are apart from right side The distance of first otic placode is R, meets L=3R.

Preferably, the length value of the 4th brace is B, and the 4th brace and first support bar hinged place are apart from left side The distance of second otic placode is C, meets B=3C.

Preferably, the left end fixing assembling of the screw rod has limit card block, and the limit card block sliding is connected in cylinder Inner cavity.

Compared with prior art, the utility model has the beneficial effects that the utility model devises one kind for library The seat that bookshelf arranges, the present apparatus are equipped with brake structure on bottom plate and castor, and the system of castor is controlled by sliding extension bar It is dynamic, it avoids library bookshelf from arranging seat when not needing be mobile, generates unsuitable movement, guarantee housekeeping just Often carry out.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model.

Fig. 2 is the utility model insole board surface structure schematic diagram.

Fig. 3 is the utility model insole board lower surface configuration schematic diagram.

Fig. 4 is connecting shaft and sleeve assembling structure schematic diagram in the utility model.

Fig. 5 is driving assembly structural schematic diagram in the utility model.

Fig. 6 is partial structural diagram at A in Fig. 4.

In figure: 1 bottom plate, 2 castor otic placodes, 3 connecting shafts, 31 clamping items, 32 sleeves, 321 clamping grooves, 4 castors, 5 connecting rods, 6 through-holes, 7 telescopic rods, 8 lifting seats, 81 telescopic components, 811 first otic placodes, 812 first braces, 813 second braces, 814 Three braces, 815 the 4th braces, 816 second otic placodes, 817 plates, 818 first support bars, 819 second support bars, 82 driving groups Part, 821 first crossbars, 822 second crossbars, 823 cylinders, 824 screw rods, 825 turntables, 826 limit card blocks, the first hinge joint of a, b Second hinge joint.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6 are please referred to, the utility model provides a kind of technical solution: one kind is for scheming The seat that book shop bookshelf arranges, including bottom plate 1, the lower surface fixing assembling of bottom plate 1 have at least six castor otic placodes 2, and castor 2 front and back of otic placode is symmetrical, connecting shaft 3 is rotatably equipped between former and later two castor otic placodes 2, the both ends of connecting shaft 3 are run through 2 fixing assembling castor 4 of castor otic placode.

In pairs, front and back is distributed six castor otic placodes 2, the company of being rotatably equipped between the medial surface of every group of castor otic placode 2 Spindle 3, so that three connecting shafts 3 are parallel to each other, it is steady after guaranteeing castor installation.

The uniform fixing assembling in lateral wall rear end of connecting shaft 3 has clamping item 31, the lateral wall front end sliding of three connecting shafts 3 Be socketed with sleeve 32, the inner wall of three sleeves 32 offers the clamping groove 321 to match with clamping item 31, adjacent sleeve 32 it Between assembly connection have connecting rod 5, the upper surface of bottom plate 1 offers through-hole 6, and the upper end fixing assembling of intermediate sleeve 32 has telescopic rod 7, and through-hole 6 is run through in the upper end of telescopic rod 7, the upper surface of bottom plate 1 is also equipped with lifting seat 8.

The anterior-posterior length value of through-hole 6 is four times of 7 lower end diameter of telescopic rod, before and after guaranteeing that telescopic rod 7 can be in through-hole 6 Sliding, telescopic rod 7 include fixed cylinder and movable cylinder, and movable cylinder is plugged in fixed cylinder, and movable cylinder can stretch in fixed cylinder, make After the raising of valence seat 8 must be risen, the braking that castor 4 is controlled by telescopic rod 7 that staff also can be convenient, connecting rod 5 makes One intermediate sleeve 32 can drive the sleeve 32 of two sides to move together, and all castors 4 are braked in realization.

Specifically, the quantity of clamping item 31 is at least four, the quantity of clamping groove 321 is at least four, is clamped item 31 Identical with the quantity of clamping groove 321, after sliding backward telescopic rod 7, telescopic rod 7 slides backward in connecting shaft 3 with moving sleeve 32, Clamping item 31 in connecting shaft 3 is inserted into the clamping groove 321 of sleeve 32, because sleeve 32 is not able to rotate, connecting shaft 3 is limited It is not able to rotate, while castor 4 is not able to rotate, realizes the braking of castor 4.

Specifically, the axial line of connecting shaft 3 and castor 4 is overlapped, above-mentioned design is so that the rotation of castor 4 is more stable.

Specifically, lifting seat 8 includes two telescopic components 81, the symmetrical fixing assemblings in two telescopic components, 81 front and back in On bottom plate 1, and driving assembly 82 being equipped between two telescopic components 81, telescopic component 81 includes two the first otic placodes 811, and For two 811 bilateral symmetry fixing assemblings of the first otic placode on bottom plate 1, the rear end of the first otic placode of left side 811 is hinged with the first brace 812, the rear end of the first otic placode of rear side 811 is hinged with the second brace 813,813 cross-distribution of the first brace 812 and the second brace, The upper end of second brace 813 is hinged with third brace 814, and the upper end of the first brace 812 is hinged with the 4th brace 815, and third is oblique The equal fixing assembling in upper end of 815 cross-distribution of bar 814 and the 4th brace, third brace 814 and the 4th brace 815 has the second otic placode 816, the upper end fixing assembling of two the second otic placodes 816 has a plate 817, and the hinged place of the second brace 813 and third brace 814 is The hinged place of first hinge joint a, the first brace 812 and the 4th brace 815 is the second hinge joint b, and the front end of the first hinge joint a is cut with scissors It is connected to one end of first support bar 818, and the other end of first support bar 818 is articulated on the 4th brace 815, the second hinge joint The front end of b is hinged with one end of second support bar 819, and the other end of second support bar 819 is articulated on the second brace 813.

Specifically, driving assembly 82 includes first crossbar 821 and second crossbar 822, consolidate between two the first hinge joint a Surely it is equipped with first crossbar 821, fixing assembling has second crossbar 822, a left side for first crossbar 821 between two the second hinge joint b End fixing assembling has cylinder 823, and the inside of cylinder 823 is plugged with screw rod 824, and the outside of screw rod 824 is bolted with second crossbar 822, the right end fixing assembling of screw rod 824 has turntable 825.

As shown in Figure 1, plate 817 and bottom plate 1 are parallel, screw rod 824 turns clockwise therewith after rotating clockwise turntable 825 Dynamic, using the principle of lead screw, second crossbar 822 is moved to the left on screw rod 824, the left end of screw rod 824 823 inner cavity of cylinder to It moves left, when 824 left end of screw rod is moved to 823 inner cavity left end of cylinder, second crossbar 822 moves to left one end on screw rod 824 Distance, second crossbar 822 inwardly squeezes the first brace 812 and the 4th brace 815, so that the first brace 812 and the 4th brace 815 Tilt angle increase, the second brace 813 and third brace 814 tilt therewith, the first brace 812, the second brace 813, third The vertical height of brace 814 and the 4th brace 815 increases, and increases so that plate 817 is horizontal, realizes the rising of lifting seat 8, needs When declining plate 817, conversely, rotate counterclockwise turntable 825, the decline of lifting seat 8 is realized, first support bar 818 and the Two support rods 819 play the firm effect of support, and obtained lifting seat 8 goes up and down more stable.

Specifically, the length value of the second brace 813 is L, the second brace 813 and 819 hinged place distance of second support bar The distance of the first otic placode of right side 811 is R, meets L=3R, the restriction of this length value, so that lifting seat 8 is completed after rising, the Two support rods 819 and the second brace 813 and the 4th brace 815 are perpendicular, and second support bar 819 plays better support effect.

Specifically, the length value of the 4th brace 815 is B, the 4th brace 815 and 818 hinged place distance of first support bar The distance of the second otic placode of left side 816 is C, meets B=3C, the restriction of this length value, so that lifting seat 8 is completed after rising, the One support rod 818 and the second brace 813 and the 4th brace 815 are perpendicular, and first support bar 818 plays better support effect.

Specifically, the left end fixing assembling of screw rod 824 has limit card block 826, the sliding of limit card block 826 is connected in cylinder 823 inner cavity, when the left end of screw rod 824 is moved to 823 inner cavity right end of cylinder, limit card block 826 is stuck in 823 inner cavity of cylinder On side wall, the purpose for avoiding screw rod 824 and cylinder 823 from being detached from is played.

Working principle: when needing to brake using the present apparatus, telescopic rod 7 is slided backward in through-hole 6, telescopic rod 7 drives set Cylinder 32 slides backward in connecting shaft 3, and the clamping item 31 in connecting shaft 3 is inserted into the clamping groove 321 of sleeve 32, because of sleeve 32 are not able to rotate, and connecting shaft 3, which is limited, not to be able to rotate, while castor 4 is not able to rotate, and realize the braking of castor 4, conversely, when this When device needs mobile, the forward slip telescopic rod 7 in through-hole 6.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (8)

1. a kind of seat arranged for library bookshelf, it is characterised in that: including bottom plate, the fixed dress in the lower surface of the bottom plate Equipped at least six castor otic placodes, and symmetrical, the company of being rotatably equipped between former and later two castor otic placodes before and after castor otic placode Castor otic placode fixing assembling castor is run through at spindle, the both ends of the connecting shaft；

The uniform fixing assembling in lateral wall rear end of the connecting shaft has clamping item, the lateral wall front end sliding of three connecting shafts It is socketed with sleeve, the inner wall of three sleeves offers the clamping groove to match with clamping item, between the adjacent sleeve Assembly connection has connecting rod, and the upper surface of the bottom plate offers through-hole, and the upper end fixing assembling of the intermediate sleeve has flexible Bar, and through-hole is run through in the upper end of telescopic rod, the upper surface of the bottom plate is also equipped with lifting seat.

2. a kind of seat arranged for library bookshelf according to claim 1, it is characterised in that: the clamping item Quantity is at least four, and the quantity of the clamping groove is at least four, and the clamping item is identical with the quantity of clamping groove.

3. it is according to claim 2 it is a kind of for library bookshelf arrange seat, it is characterised in that: the connecting shaft and The axial line of castor is overlapped.

4. a kind of seat arranged for library bookshelf according to claim 3, it is characterised in that: the lifting seat Including two telescopic components, symmetrical fixing assemblings are on bottom plate before and after two telescopic components, and between two telescopic components Be equipped with driving assembly, the telescopic component includes two the first otic placodes, and two the first otic placode bilateral symmetry fixing assemblings in On bottom plate, the rear end of left side first otic placode is hinged with the first brace, and the rear end of rear side first otic placode is hinged with second Brace, first brace and the second brace cross-distribution, the upper end of second brace are hinged with third brace, and described first The upper end of brace is hinged with the 4th brace, the third brace and the 4th brace cross-distribution, and the third brace and the 4th is tiltedly The equal fixing assembling in the upper end of bar has the second otic placode, and the upper end fixing assembling of two second otic placodes has plate, and described second tiltedly The hinged place of bar and third brace is the first hinge joint, and the hinged place of first brace and the 4th brace is the second hinge joint, The front end of first hinge joint is hinged with one end of first support bar, and the other end of first support bar is articulated with the 4th brace On, the front end of second hinge joint is hinged with one end of second support bar, and the other end of second support bar is articulated with second On brace.

5. a kind of seat arranged for library bookshelf according to claim 4, it is characterised in that: the driving component Including first crossbar and second crossbar, fixing assembling has a first crossbar between two first hinge joints, and two described second Fixing assembling has second crossbar between hinge joint, and the left end fixing assembling of the first crossbar has cylinder, the inside of the cylinder It is plugged with screw rod, second crossbar is bolted on the outside of the screw rod, the right end fixing assembling of the screw rod has turntable.

6. a kind of seat arranged for library bookshelf according to claim 5, it is characterised in that: second brace Length value be L, second brace and distance of the second support bar hinged place apart from right side first otic placode are R, meet L =3R 。

7. a kind of seat arranged for library bookshelf according to claim 6, it is characterised in that: the 4th brace Length value be B, the 4th brace and distance of the first support bar hinged place apart from left side second otic placode are C, meet B =3C 。

8. a kind of seat arranged for library bookshelf according to claim 7, it is characterised in that: a left side for the screw rod End fixing assembling has limit card block, and the limit card block sliding is connected in the inner cavity of cylinder.