CN219229360U - Lifting mechanism and bookcase - Google Patents

Abstract

The utility model relates to the technical field of bookcases, in particular to a lifting mechanism and a bookcase, comprising a lifting mechanism, wherein the lifting mechanism comprises an adjusting unit, a base, a screw rod and a handle, wherein the screw rod is rotationally connected with the top end of the base, the handle is fixedly connected with the top end of the screw rod, and a mounting part is adaptively arranged on the outer side of the screw rod; when driving the screw through the twist grip and heightening the height of the cabinet body, can be synchronous drive two sets of supporting shoe and extend to the both ends of base to guarantee to transfer the height of base after, the supporting shoe can synchronous extension to certain position, thereby guarantee that the height of the cabinet body transfers the back, whole equipment still can guarantee that the focus is stable, avoid the focus unstable, cause the book case to empty when making the infant take books, lead to the condition emergence of unsafe accident, thereby when being the high infant that can adapt to different age bracket infant of book case, guaranteed the security when having guaranteed the book case and used, great improvement the practicality of equipment.

Description

Lifting mechanism and bookcase

Technical Field

The utility model relates to the technical field of bookcases, in particular to a lifting mechanism and a bookcase.

Background

Along with the continuous progress of social environment, the requirements on educational environment are also more and more strict, the requirements for adapting to social development are also continuously changed, especially the education environment is a starting point of education, and is more important, all environments in the kindergarten are investigation points of parents for selecting the kindergarten, wherein the teaching instruction of the kindergarten needs to provide a large number of books, including teaching books and extracurricular books, and the books for teaching of the kindergarten are generally placed at bookcases arranged in classrooms, so that the kindergarten can conveniently take the books.

The existing bookcase is usually of a fixed design, but the body growth of infants is faster, the height difference of the infants in different grades is larger, so that the existing fixed bookcase cannot be used by the infants in different grades, and part of the bookcase with adjustable height can be adjusted according to the infants in different grades, but after the height of the bookcase is adjusted, the gravity center of the bookcase after adjustment is unstable, and the bookcase is easy to topple when the infants take books, so that unnecessary potential safety hazards occur; on the other hand, since the book education for infants is usually conducted in a picture mode, and the sizes of the picture books are different, the placing cavities inside the book cabinet cannot be properly adjusted according to the sizes of the books, the stability of the books after being placed in the book cabinet is poor, and the current book cabinet is low in practicality.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The utility model is provided in view of the problem that the prior bookcase is easy to fall down due to unstable gravity center after the height adjustment although the prior bookcase can be adjusted in height.

It is therefore an object of the present utility model to provide a lifting mechanism.

In order to solve the technical problems, the utility model provides the following technical scheme: the lifting mechanism comprises an adjusting unit, a lifting mechanism and a lifting mechanism, wherein the adjusting unit comprises a base, a screw rod rotatably connected with the top end of the base, and a handle fixedly connected with the top end of the screw rod;

the screw rod is provided with a mounting component in an adapting mode, a control component is arranged in the base, an extension component is arranged in the base, and a guide component is arranged at the top end of the base.

As a preferred embodiment of the lifting mechanism of the present utility model, wherein: the mounting component comprises a screw block in threaded connection with the outer side of the screw rod, a mounting plate fixedly connected to one side of the screw block, and connecting plates fixedly connected to two ends of the mounting plate;

the outer sides of the two groups of connecting plates are fixedly connected with guide blocks.

As a preferred embodiment of the lifting mechanism of the present utility model, wherein: the control part comprises a transmission part arranged in the base and an output part which is matched and installed with the transmission part.

As a preferred embodiment of the lifting mechanism of the present utility model, wherein: the transmission part comprises a rotating shaft rotationally connected with the base, a driving turntable fixedly connected to the top end of the rotating shaft, and a belt arranged on the outer side of the driving turntable;

the top end of the driving turntable is fixedly connected with the bottom end of the screw rod.

As a preferred embodiment of the lifting mechanism of the present utility model, wherein: the output piece comprises a gear which is rotationally connected with the bottom surface inside the base, and a driven turntable which is fixedly connected with the top end of the gear.

As a preferred embodiment of the lifting mechanism of the present utility model, wherein: the extension part comprises extension blocks which are connected to the two ends of the base in a sliding manner, support blocks which are fixedly connected to the outer sides of the extension blocks, and racks which are fixedly connected to the inner sides of the extension blocks, wherein one ends of the racks are fixedly connected with limiting blocks;

wherein the rack is connected with the gear in a meshed manner.

As a preferred embodiment of the lifting mechanism of the present utility model, wherein: the guide part comprises a fixed block fixedly connected to the top end of the base, a guide rod fixedly connected to the top end of the fixed block, and a stop block fixedly connected to the top end of the guide rod.

The lifting mechanism has the beneficial effects that: when driving the screw through the twist grip and heightening the height of the cabinet body, can be synchronous drive two sets of supporting shoe and extend to the both ends of base to guarantee to transfer the height of base after, the supporting shoe can synchronous extension to certain position, thereby guarantee that the height of the cabinet body transfers the back, whole equipment still can guarantee that the focus is stable, avoid the focus unstable, cause the book case to empty when making the infant take books, lead to the condition emergence of unsafe accident, thereby when being the high infant that can adapt to different age bracket infant of book case, guaranteed the security when having guaranteed the book case and used, great improvement the practicality of equipment. When the height of the cabinet body is regulated down, the handle is reversed, and at the moment, the two groups of supporting blocks can slide towards the direction of the base relatively.

In view of the fact that in the practical use process, the problem that proper adjustment of the book placing cavity cannot be performed according to the size of books exists.

It is therefore another object of the present utility model to provide a bookcase.

In order to solve the technical problems, the utility model also provides the following technical scheme: a bookcase, which comprises the lifting mechanism and,

the storage unit comprises a cabinet body, a sliding groove and a clamping groove, wherein the cabinet body is installed on the outer side of the mounting plate in an adaptive mode, the sliding groove is formed in the inner wall of the cabinet body, the clamping groove is formed in the inner wall of the cabinet body, and the storage assembly is arranged in the cabinet body.

As a preferred embodiment of the bookcase of the present utility model, wherein: the placement component comprises an inner plate, a square groove and a clamping component, wherein the inner plate is arranged in the cabinet body, the square groove is formed in the outer side of the inner plate, and the clamping component is adaptively installed in the outer side of the inner plate.

As a preferred embodiment of the bookcase of the present utility model, wherein: the clamping component comprises a square block clamped in the clamping groove, a sliding rod fixedly connected in the square block, and a sliding block slidingly connected to the outer side of the sliding rod, wherein one end of the sliding block is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with a push plate, and the outer side of the sliding rod is sleeved with a spring;

one end of the spring is fixedly connected with the inner wall of the square block, and the other end of the spring is fixedly connected with one end of the sliding block.

The bookcase has the beneficial effects that: when the height adjustment to the inner panel is in fact carried out, only need outside pulling inner panel after, then slide the inner panel from top to bottom, after sliding it to suitable position, loosen the inner panel, can carry out spacing fixedly to the inner panel under the elasticity of spring this moment, thereby can guarantee the stability of adjusting the back inner panel, this governing mode is easy operation not only, moreover, the size of books can be different carries out specific regulation to the position of inner panel, make inside place the chamber and can just in time adapt to the books of equidimension and deposit, guaranteed that after the books of equidimension not put into the inside of cabinet body, all can have certain stability, thereby great improvement the practicality of equipment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is an overall schematic of the present utility model.

Fig. 2 is a schematic view of a lifting mechanism according to the present utility model.

Fig. 3 is a schematic diagram of a control unit of the present utility model.

Fig. 4 is a schematic view of the inside of the base of the present utility model.

Fig. 5 is a schematic view of another overall state of the present utility model.

Fig. 6 is a schematic diagram of a cabinet according to the present utility model.

Fig. 7 is a schematic view of a placement module according to the present utility model.

Fig. 8 is an internal schematic view of the clamping component of the present utility model.

Fig. 9 is an enlarged schematic view of the portion a of the present utility model.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 2, a lifting mechanism according to a first embodiment of the present utility model is provided, which includes an adjusting unit 100 including a base 101, a screw 102 rotatably coupled to a top end of the base 101, and a handle 103 fixedly coupled to a top end of the screw 102;

wherein, the outside adaptation of lead screw 102 is installed mounting member 104, and the inside of base 101 is provided with control unit 105, and the inside of base 101 is provided with extension member 106, and the top of base 101 is provided with guide member 107.

Specifically, the mounting component 104 includes a screw block 104a in threaded connection with the outer side of the screw rod 102, a mounting plate 104b fixedly connected to one side of the screw block 104a, and a connecting plate 104c fixedly connected to both ends of the mounting plate 104 b;

wherein, the outside of the two sets of connecting plates 104c is fixedly connected with a guide block 104d.

Further, the guide member 107 includes a fixed block 107a fixedly coupled to the top end of the base 101, a guide bar 107b fixedly coupled to the top end of the fixed block 107a, and a stopper 107c fixedly coupled to the top end of the guide bar 107 b.

When the novel cabinet is used, the handle 103 is held by a hand, the handle 103 is rotated, the screw rod 102 can be driven to rotate through the handle 103, the guide block 104d slides on the outer side of the guide rod 107b, the screw block 104a can be driven to slide on the outer side of the screw rod 102 while the screw rod 102 rotates, the mounting plate 104b and the connecting plate 104c can be driven to slide through the sliding of the screw block 104a, and therefore the cabinet 201 mounted on the outer side of the mounting plate 104b and the connecting plate 104c can be driven to slide in a reciprocating manner, and the effect of adjusting the height of the cabinet 201 can be achieved.

In summary, in the actual operation process, only the forward and reverse rotation of the handle 103 is needed, so that the height of the cabinet 201 can be properly adjusted, children in different grades can conveniently take books in the cabinet 201, and the practicability of the device is effectively improved.

Example 2

Referring to fig. 1 to 4, in a second embodiment of the present utility model, unlike the previous embodiment, there is provided a control unit 105 including a transmission member 105a provided inside a base 101, and an output member 105b fitted to the transmission member 105 a.

Specifically, the transmission member 105a includes a rotating shaft 105a-1 rotatably connected to the base 101, a driving turntable 105a-2 fixedly connected to the top end of the rotating shaft 105a-1, and a belt 105a-3 disposed outside the driving turntable 105 a-2;

wherein the top end of the driving turntable 105a-2 is fixedly connected with the bottom end of the screw 102.

Further, the output member 105b includes a gear 105b-1 rotatably coupled to the inner bottom surface of the base 101, and a driven turntable 105b-2 fixedly coupled to the top end of the gear 105 b-1.

Further, the extension part 106 includes extension blocks 106a slidably connected to two ends of the base 101, a support block 106b fixedly connected to the outer side of the extension blocks 106a, and a rack 106c fixedly connected to the inner side of the extension blocks 106a, wherein one end of the rack 106c is fixedly connected with a limiting block 106d;

wherein the rack 106c is in meshed connection with the gear 105 b-1.

When the screw rod 102 rotates, the driving turntable 105a-2 and the rotating shaft 105a-1 are driven to rotate in the base 101, and as two ends of the belt 105a-3 are respectively sleeved on the outer sides of the driving turntable 105a-2 and the driven turntable 105b-2, when the driving turntable 105a-2 rotates, the driven turntable 105b-2 is driven to rotate by the belt 105a-3, the driven turntable 105b-2 drives the gear 105b-1 at the bottom end to rotate, and as two groups of racks 106c are meshed and connected to two sides of the gear 105b-1, the racks 106c are driven to slide by the extending blocks 106a while the racks 106a drive the supporting blocks 106b at one end of the extending blocks 106a to slide, and the two groups of racks 106c are meshed and connected to two sides of the gear 105b-1, so that the two groups of supporting blocks 106b extend to two ends of the base 101 respectively, thereby effectively improving the supporting effect of the base 101 and ensuring the stability of the height-adjustable cabinet 201.

In summary, when driving the lead screw 102 through turning handle 103 and heightening the height of cabinet body 201, can be synchronous drive two sets of supporting shoe 106b extend to the both ends of base 101 to guarantee to carry out the height with base 101 and transfer the back, supporting shoe 106b can synchronous extension to certain position, thereby guarantee that the height of cabinet body 201 is heightened after, whole equipment still can guarantee that the focus is stable, avoid the focus unstable, cause the book case to empty when making the infant take books, lead to unsafe accident's condition to take place, thereby when the high ability adaptation of book case is different age bracket infant, the security when having guaranteed the book case and used, great improvement the practicality of equipment. When the height of the cabinet 201 is adjusted to be low, the handle 103 is reversed, and at this time, the two sets of support blocks 106b also slide relatively in the direction of the base 101.

Example 3

Referring to fig. 5 to 9, a third embodiment of the present utility model is a bookcase, which is different from the previous embodiment in that it includes the lifting mechanism, and,

the storage unit 200 comprises a cabinet 201, a chute 202 and a clamping groove 203, wherein the cabinet 201 is adaptively arranged on the outer side of the mounting plate 104b and the outer side of the connecting plate 104c, the chute 202 is formed in the inner wall of the cabinet 201, the clamping groove 203 is formed in the inner wall of the cabinet 201, and a placement component 204 is arranged in the cabinet 201.

Specifically, the placement module 204 includes an inner plate 204a with a square block 204c-1 disposed inside the cabinet 201, a square groove 204b formed on the outer side of the inner plate 204a, and a clamping member 204c adapted to be mounted on the outer side of the inner plate 204 a.

Further, the clamping component 204c comprises a square block 204c-1 clamped in the clamping groove 203, a sliding rod 204c-2 fixedly connected in the square block 204c-1, and a sliding block 204c-3 slidingly connected on the outer side of the sliding rod 204c-2, one end of the sliding block 204c-3 is fixedly connected with a connecting rod 204c-4, one end of the connecting rod 204c-4 is fixedly connected with a push plate 204c-5, and the outer side of the sliding rod 204c-2 is sleeved with a spring 204c-6;

one end of the spring 204c-6 is fixedly connected with the inner wall of the square block 204c-1, and the other end of the spring 204c-6 is fixedly connected with one end of the sliding block 204 c-3.

When the sliding rod 204c-1 is used, a hand is inserted into the square groove 204b and pulled outwards, so that the square block 204c-1 is driven by the inner plate 204a to slide towards the push plate 204c-5, the sliding rod 204c-2 in the square block 204c-1 slides inside the sliding block 204c-3, the spring 204c-6 is extruded by the inner wall of the square block 204c-1, deformation occurs, the spring 204c-6 is contracted, the square block 204c-1 slides out of the clamping groove 203 and slides into the sliding groove 202, then the inner plate 204a is pulled upwards or the inner plate 204a is pulled downwards, the height of the inner plate 204a can be adjusted, after the sliding rod 204a is adjusted to a proper position, the square block 204c-1 is driven to slide towards the inner side of the clamping groove 203 under the elasticity of the spring 204c-6, the square block 204c-1 is clamped with the clamping groove 203, the position of the inner plate 204a is adjusted, and the stability of the inner plate 204a after the position adjustment is ensured.

In summary, when actually adjusting the height of the inner plate 204a, only need pull the inner plate 204a outwards, then slide the inner plate 204a from top to bottom, after sliding it to suitable position, loosen the inner plate 204a, can carry out spacing fixed to the inner plate 204a under the elasticity of spring 204c-6 this moment, thereby can guarantee the stability of adjusting back inner plate 204a, this governing mode is easy operation not only, and the position of inner plate 204a can be carried out specific regulation to the size of books not only, make inside place the chamber and can just adapt to books of different sizes and deposit, guaranteed that books of different sizes all can have certain stability after putting into the inside of cabinet 201, thereby great improvement equipment's practicality.

It is important to note that the construction and arrangement of the present application as shown in a variety of different exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (10)

1. A lifting mechanism, characterized in that: comprising the steps of (a) a step of,

the adjusting unit (100) comprises a base (101), a screw rod (102) rotatably connected with the top end of the base (101), and a handle (103) fixedly connected with the top end of the screw rod (102);

the screw rod (102) is provided with a mounting part (104) in an adapting mode, a control part (105) is arranged in the base (101), an extension part (106) is arranged in the base (101), and a guide part (107) is arranged at the top end of the base (101).

2. The lift mechanism of claim 1, wherein: the mounting component (104) comprises a screw block (104 a) in threaded connection with the outer side of the screw rod (102), a mounting plate (104 b) fixedly connected to one side of the screw block (104 a), and connecting plates (104 c) fixedly connected to two ends of the mounting plate (104 b);

the outer sides of the two groups of connecting plates (104 c) are fixedly connected with guide blocks (104 d).

3. The lift mechanism of claim 2, wherein: the control part (105) comprises a transmission part (105 a) arranged inside the base (101), and an output part (105 b) which is matched and installed with the transmission part (105 a).

4. A lifting mechanism according to claim 3, wherein: the transmission part (105 a) comprises a rotating shaft (105 a-1) which is rotationally connected with the base (101), a driving turntable (105 a-2) which is fixedly connected with the top end of the rotating shaft (105 a-1), and a belt (105 a-3) which is arranged on the outer side of the driving turntable (105 a-2);

wherein, the top end of the driving turntable (105 a-2) is fixedly connected with the bottom end of the screw rod (102).

5. A lifting mechanism according to claim 3 or 4, wherein: the output piece (105 b) comprises a gear (105 b-1) rotatably connected with the inner bottom surface of the base (101), and a driven turntable (105 b-2) fixedly connected to the top end of the gear (105 b-1).

6. The lift mechanism as recited in claim 5 wherein: the extension part (106) comprises extension blocks (106 a) which are connected to the two ends of the base (101) in a sliding manner, supporting blocks (106 b) which are fixedly connected to the outer sides of the extension blocks (106 a), and racks (106 c) which are fixedly connected to the inner sides of the extension blocks (106 a), wherein one ends of the racks (106 c) are fixedly connected with limiting blocks (106 d);

wherein the rack (106 c) is in meshed connection with the gear (105 b-1).

7. The lift mechanism of claim 2 or 6, wherein: the guide component (107) comprises a fixed block (107 a) fixedly connected to the top end of the base (101), a guide rod (107 b) fixedly connected to the top end of the fixed block (107 a), and a stop block (107 c) fixedly connected to the top end of the guide rod (107 b).

8. A bookcase, characterized in that: comprising the lifting mechanism as claimed in any one of claims 2 to 4, and,

the storage unit (200) comprises a cabinet body (201) which is adaptively arranged on the outer sides of the mounting plate (104 b) and the connecting plate (104 c), a sliding groove (202) formed in the inner wall of the cabinet body (201), and a clamping groove (203) formed in the inner wall of the cabinet body (201), wherein a placement component (204) is arranged in the cabinet body (201).

9. The bookcase as recited in claim 8, wherein: the placement component (204) comprises an inner plate (204 a) with square blocks (204 c-1) arranged inside the cabinet body (201), square grooves (204 b) formed in the outer side of the inner plate (204 a), and clamping parts (204 c) mounted on the outer side of the inner plate (204 a) in an adapting mode.

10. The bookcase as recited in claim 9, wherein: the clamping component (204 c) comprises a square block (204 c-1) clamped in the clamping groove (203), a sliding rod (204 c-2) fixedly connected to the inside of the square block (204 c-1), and a sliding block (204 c-3) slidingly connected to the outer side of the sliding rod (204 c-2), one end of the sliding block (204 c-3) is fixedly connected with a connecting rod (204 c-4), one end of the connecting rod (204 c-4) is fixedly connected with a push plate (204 c-5), and the outer side of the sliding rod (204 c-2) is sleeved with a spring (204 c-6);

one end of the spring (204 c-6) is fixedly connected with the inner wall of the square block (204 c-1), and the other end of the spring (204 c-6) is fixedly connected with one end of the sliding block (204 c-3).

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