Book carrier convenient to adjust

Abstract

The utility model provides a book carrier convenient to adjust. The book carrier comprises a carrier body, a bookshelf; the limiting assembly is arranged on the bookshelf, and the limiting assembly comprises a limiting plate, a first sliding block and a spring; the two limiting plates are perpendicular to the bottom plate and are arranged on the bottom plate, the first sliding blocks are arranged at the bottom ends of the limiting plates respectively, the first sliding blocks are in an inverted-T shape, second sliding grooves for the first sliding blocks to slide left and right are formed in the bottom plate, and the springs are arranged in the second sliding grooves. One end of the spring is fixedly connected with the left and right side walls of the second sliding groove, and the other end is connected with the first sliding block; and a ladder. One of the limiting plates is pulled to separate the two limiting plates, then a book is placed between the two limiting plates, the limiting plates are loosened, and the limiting plates press the book between the two limiting plates under the elastic force action of the springs, so that the book is limited, the situation that the book carrier encounters an uneven road or is impacted in the book transporting process is avoided, and the book transporting efficiency is improved. And the book toppling phenomenon is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of book transport vehicle, concretely relates to a book transport vehicle convenient to adjust. BACKGROUND

[0002] With the higher and higher cultural level of Chinese people and the larger and larger scale of library and the more and more kinds of books, in the library, the book manager needs to use the book transport vehicle to return the books after the people borrow the books, but the traditional book transport vehicle still has the following problems in practical use: 1, because the interval between the bookshelf is fixed, the size and the kind of the books contained by the book transport vehicle are less, and thus the practicability of the book transport vehicle is reduced; 2, when the book transport vehicle transports the books, the books are prone to fall down when encountering uneven road or receiving impact; 3, the existing book transport vehicle cannot quickly form a stable and reliable climbing structure through the book transport vehicle when being used, and thus the functionality of the book transport vehicle is reduced. SUMMARY

[0003] To solve the above problems, the utility model provides a book transport vehicle convenient to adjust to solve the problems mentioned in the background art.

[0004] To achieve the above object, the utility model adopts the technical scheme of a book transport vehicle convenient to adjust, which comprises:

[0005] A vehicle body is composed of a base and a support plate, and the support plate is fixedly connected to the left and right sides of the upper end of the base respectively;

[0006] A bookshelf is arranged between the two support plates through an adjusting assembly, and the bookshelf comprises a bottom plate;

[0007] A limiting assembly is arranged on the bookshelf, and the limiting assembly comprises a limiting plate, a first sliding block and a spring; the two limiting plates are arranged on the bottom plate perpendicularly to the bottom plate, the first sliding block is arranged at the bottom end of the limiting plate, the first sliding block is inverted "T" type, the second sliding groove for the left and right sliding of the first sliding block is formed in the bottom plate, the spring is arranged in the second sliding groove, one end of the spring is fixedly connected to the left and right side walls of the second sliding groove, and the other end is connected to the first sliding block;

[0008] A ladder is arranged on the outer side wall of one of the support plates, and is used for the user to conveniently take the books at high places.

[0009] Further preferably, the bookshelf further comprises a baffle, a partition plate and a protective plate;

[0010] The bottom plate is a rectangular plate structure;

[0011] The baffle plates are arranged respectively on the left and right sides of the bottom plate;

[0012] The partition plate is arranged vertically on the upper end face of the bottom plate at the center position and the left and right ends of the partition plate are in contact with the baffle plates;

[0013] The protection plates are arranged respectively on the front and back of the bottom plate.

[0014] Further preferably, the partition plate is provided with a third sliding groove, the extension direction of the third sliding groove is the same as the mounting direction of the partition plate, the rear end of the limiting plate is provided with a second sliding block corresponding to the third sliding groove, and the second sliding block slides in the third sliding groove.

[0015] Further preferably, the adjusting assembly comprises a protruding block and a plug column, the protruding block is arranged on the upper end of the baffle plate, a plug hole is arranged on the protruding block, a limiting plug hole is arranged on the inner side wall of the support plate at equal intervals, and the plug column is fixedly connected with the limiting plug hole through the plug hole.

[0016] Further preferably, the ladder is composed of a pair of support legs, a plurality of steps, a first connecting rod and a fixing rod;

[0017] The top ends of the pair of support legs are hingedly connected with the support plate.

[0018] The outer ends of the plurality of steps are uniformly arranged between the two support legs through rotating shafts.

[0019] The first connecting rod is connected with the left and right sides of the inner ends of the steps respectively.

[0020] One end of the fixing rod is hingedly connected with the first connecting rod, and the other end is hingedly connected with the support plate.

[0021] Further preferably, an auxiliary support leg is arranged at the lower end of the ladder.

[0022] Further preferably, a screw rod is detachably arranged on the support leg.

[0023] Further preferably, a second connecting rod is arranged between the auxiliary support legs.

[0024] Further preferably, the base is provided with an L-shaped limiting block at one end of the ladder, and the second connecting rod is clamped on the limiting block.

[0025] The beneficial effects of the utility model are as follows:

[0026] 1. By pulling one of the limiting plates, the two limiting plates are separated, then the book is placed between the two limiting plates, the limiting plate is loosened, and the book is pressed between the two limiting plates under the elastic force of the spring, the limiting of the book is realized, and the phenomenon of book dumping is avoided when the book cart encounters uneven road or receives impact during transportation of the book.

[0027] 2、By inserting the insertion column into the limiting insertion hole in different positions through the insertion hole, the distance between the upper and lower bookshelves can be adjusted, so that the size and type of books accommodated by the book transport vehicle can be increased, thereby improving the practicality of the book transport vehicle.

[0028] 3、By pulling the supporting leg, the supporting leg is opened outward, the pedal is turned over upward under the action of the first connecting rod and the fixed rod, when the pedal is turned over to the horizontal state, the auxiliary supporting leg is pulled to make the bottom end of the auxiliary supporting leg contact with the bottom surface, the screw rod limits the auxiliary supporting leg, so that the stability of the whole ladder can be guaranteed, thereby facilitating the book taking and placing work at high places, and the functionality of the book transport vehicle is improved. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0030] Figure 2 It is a schematic diagram of the overall structure of the utility model in the ladder retracted state;

[0031] Figure 3 It is an exploded structural schematic diagram of the bookshelf and the vehicle body of the utility model;

[0032] Figure 4 It is an exploded structural schematic diagram of the bookshelf of the utility model;

[0033] Figure 5 It is a sectional view of the bookshelf of the utility model;

[0034] Figure 6 It is a structural schematic diagram of the utility model; Figure 4 It is an enlarged schematic diagram of position A;

[0035] Figure 7 It is an enlarged structural schematic diagram of position B of the utility model; Figure 5

[0036] Figure 8 It is a structural schematic diagram of the ladder of the utility model;

[0037] The reference signs include:

[0038] 1-base;

[0039] 2-supporting plate, 21-first sliding groove, 22-limiting insertion hole, 23-limiting block.

[0040] 3-bookshelf, 31-bottom plate, 311-second sliding groove, 32-baffle, 33- partition plate, 34-protection plate;

[0041] 4-limiting assembly, 41-limiting plate, 411-second sliding block, 42-first sliding block, 43-spring;​

[0042] 5-adjustment component, 51-bump, 511-connection hole, 52-pin;

[0043] 6-ladder, 61-support leg, 611-screw, 62-pedal, 63-first connecting rod, 64-fixing rod;

[0044] 7- auxiliary support leg, 71- support rod, 711- notch, 712- third socket, 72- second connecting rod. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical solution and advantages of this technical solution more clear, the following technical solution is further described in detail in conjunction with specific implementation methods. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of this technical solution.

[0046] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0047] Example:

[0048] As attached Figure 1 To the attached Figure 8 As shown:

[0049] The utility model provides a book transport cart which is easy to adjust, comprising: a cart body, which is composed of a base 1 and a support plate 2, wherein universal pulleys are provided at the four corners of the lower end surface of the base 1, and the support plates 2 are fixedly connected to the left and right sides of the upper end surface of the base 1 respectively; a bookshelf 3 is connected between the two support plates 2 via an adjustment component 5, and the bookshelf 3 comprises a bottom plate 31, which is a rectangular plate-shaped structure, and baffles 32 are respectively provided on the left and right sides of the bottom plate 31, and a partition 33 perpendicular to the bottom plate 31 is provided on the upper end surface of the bottom plate 31, the partition 33 is located at the center position of the upper end surface of the bottom plate 31, and the left and right ends of the partition 33 are in contact with the baffle 32, and a protective plate 35 is provided on the front and back of the bottom plate 31.

[0050] Further, as attached Figures 4 to 7As shown in the figure, in order to prevent the book from falling when carrying the book, the limiting assembly 4 is arranged on the bookshelf 3, the limiting assembly 4 comprises two limiting plates 41, the limiting plates 41 are arranged on the bottom plate 31 perpendicularly to the bottom plate 31, wherein the lower surface of the bottom end of the limiting plate 41 is in sliding contact with the upper end surface of the bottom plate 31, the rear end surface of the limiting plate 41 is in sliding contact with the partition plate 33, the first sliding block 42 in the shape of inverted "T" is arranged at the bottom end of the limiting plate 41, the second sliding groove 311 for the left and right sliding of the first sliding block 42 is arranged on the bottom plate 31, two springs 43 are arranged in the second sliding groove 311, one end of each of the two springs 43 is fixedly connected with the left and right side walls of the second sliding groove 311, and the other end is connected with the first sliding block 42; when the spring is in the normal state, the two limiting plates 41 are located on the central axis of the bottom plate 21, and the two limiting plates 41 are tightly attached.

[0051] By pulling one of the limiting plates 41, the two limiting plates 41 are separated, then the book is placed between the two limiting plates 41, and the limiting plate 41 is loosened, the limiting plate 41 is pressed tightly between the two limiting plates 41 under the elastic force of the spring 43, the limiting of the book is realized, and the phenomenon of book falling is avoided when the book cart encounters uneven road or receives impact during the transportation of the book.

[0052] Further, as shown in the figure, Figures 4 to 7 in order to make the limiting plate 41 more stable when moving, the partition plate 33 is provided with a third sliding groove, the extension direction of the third sliding groove is the same as the mounting direction of the partition plate 33, the rear end of the limiting plate 41 is provided with a second sliding block 411 corresponding to the third sliding groove, and the second sliding block 411 slides in the third sliding groove.

[0053] In this embodiment, as shown in the figure, Figures 2 to 4 the adjusting assembly 5 comprises a protrusion 51 and a plug column 52, the protrusion 51 is arranged on the upper end of the baffle 32, the plug column 52 is arranged on the inner side wall of the support plate 2, the plug column 52 is inserted into the limiting plug hole 21 in different positions through the plug connection hole 511, the distance between the upper and lower two bookshelves 3 can be adjusted, and the size and type of the books contained in the book cart can be increased, thereby improving the practicability of the book cart.

[0054] In this embodiment, as shown in the figures, Figure 1 , the figure, Figure 2 and the figure, Figure 8As shown in the drawings, the outer side wall of one side of the support plate 2 is provided with a ladder 6, which is composed of two support legs 61, a plurality of steps 62, two first connecting rods 63 and two fixing rods 64, the top ends of the two support legs 61 are hinged to the support plate 2, the outer ends of the plurality of steps 62 are uniformly installed between the two support legs 62 through rotating shafts, the two first connecting rods 63 are respectively connected to the left and right sides of the inner ends of the steps 62, one end of the fixing rod 64 is hinged to the first connecting rod 63, and the other end is hinged to the support plate 2.

[0055] Further, the auxiliary support leg 7 is slidably arranged at the lower end of the ladder 6, and the auxiliary support leg 7 is connected to the support leg 61 through a bolt.

[0056] Further, in order to prevent the auxiliary support leg 7 from sliding to the top end of the support leg 61 due to the pressure received during use, a screw rod 611 is rotatably arranged on the support leg 61, when the auxiliary support leg 7 is used, the screw rod 611 is fixedly arranged on the support leg 61, so that the top end of the auxiliary support leg 7 is located below the lower end of the screw rod 611, thereby limiting the auxiliary support leg 7, and when the auxiliary support leg 7 is retracted, the screw rod 611 can be removed.

[0057] Further, in order to facilitate the storage of the ladder 6, a second connecting rod 71 is arranged between the auxiliary support legs 7, and an L-shaped limiting block 23 is arranged on the side of the base 1 where the ladder 6 is arranged, when the ladder 6 needs to be retracted, the second connecting rod 71 is clamped on the limiting block 23.

[0058] By pulling the support leg 61, the support leg 61 is opened outward, the step 62 is flipped upward under the action of the first connecting rod 63 and the fixing rod 64, when the step 62 is flipped to a horizontal state, the auxiliary support leg 7 is pulled to make the bottom end of the auxiliary support leg 7 contact the bottom surface, and the screw rod 611 limits the auxiliary support leg 7, so as to ensure the stability of the ladder 6 as a whole, thereby facilitating the book taking and placing work at a high place and improving the functionality of the book transport vehicle.

[0059] The above is only a preferred embodiment of the present application, and those skilled in the art can make many changes in specific implementation and application range according to the technical content of the present application, as long as these changes do not deviate from the concept of the present application, and all belong to the protection scope of the present patent.

Claims

1. A book transport cart that is easy to adjust, characterized in that: include: The vehicle body is composed of a base and a support plate, and the support plates are fixedly connected to the left and right sides of the upper end surface of the base respectively; A bookshelf, the bookshelf being arranged between two support plates via an adjustment assembly, the bookshelf comprising a bottom plate; A limit assembly is provided on the bookshelf, and includes a limit plate, a first slider, and a spring; the two limit plates are provided on the bottom plate perpendicularly to the bottom plate, the first sliders are respectively provided at the bottom ends of the limit plates, the first sliders are in an inverted "T" shape, a second slide groove for the left and right sliding of the first slider is provided on the bottom plate, the spring is provided in the second slide groove, one end of the spring is respectively fixedly connected to the left and right side walls of the second slide groove, and the other end is connected to the first slider; A ladder is provided on the outer side wall of one of the support plates, and is used for users to conveniently take books at a high place.

2. The easily adjustable book transport cart according to claim 1, characterized in that: The bookshelf also includes baffles, partitions, and protective plates; The bottom plate is a rectangular plate structure; The baffles are respectively arranged on the left and right sides of the bottom plate; The partition is fixedly arranged perpendicular to the bottom plate at the center of the upper end surface of the bottom plate, and the left and right ends of the partition are in contact with the baffle; The protective plates are respectively arranged on the front and rear of the base plate.

3. The easily adjustable book transport cart according to claim 2, characterized in that: The partition is provided with a third sliding groove, the extension direction of the third sliding groove is the same as the installation direction of the partition, and a second sliding block is provided at the rear end of the limiting plate corresponding to the third sliding groove, and the second sliding block slides in the third sliding groove.

4. The easily adjustable book transport cart according to claim 1, characterized in that: The adjustment assembly includes a protrusion and a plug post. The protrusion is arranged at the upper end of the baffle. The protrusion is provided with a plug hole. The inner side wall of the support plate is provided with limited plug holes in an equidistant array. The plug post can pass through the plug hole and be fixedly connected to the limited plug hole.

5. The easily adjustable book transport cart according to claim 1, characterized in that: The ladder is composed of a pair of supporting legs, a plurality of steps, a first connecting rod and a fixing rod; The top ends of the pair of support legs are hinged to the support plate; The outer ends of the plurality of pedals are evenly mounted between the two supporting legs via a rotating shaft; The first connecting rod is connected to the left and right sides of the inner end of the pedal respectively; One end of the fixing rod is hinged to the first connecting rod, and the other end is hinged to the supporting plate.

6. The easily adjustable book transport cart according to claim 5, characterized in that: Auxiliary legs are slidably provided at the lower end of the ladder.

7. The easily adjustable book transport cart according to claim 6, characterized in that: The support legs are detachably provided with screws.

8. The easily adjustable book transport cart according to claim 7, characterized in that: A second connecting rod is provided between the auxiliary legs.

9. The easily adjustable book transport cart according to claim 8, characterized in that: One end of the base provided with a ladder is provided with an L-shaped limiting block, and the second connecting rod can be clamped on the limiting block.

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