Multi-stroke telescopic mechanism

Abstract

The utility model relates to a multi-stroke telescopic mechanism, which comprises fixed mounting plates, a plurality of stroke limiting plates, a plurality of stroke limiting plates, a plurality of stroke limiting plates and a plurality of stroke limiting plates, the first-stage telescopic rail is connected to the fixed mounting plate in a relatively sliding manner; the driving structure is connected between the fixed mounting plate and the first-stage telescopic rail and used for driving the first-stage telescopic rail to move in the direction away from or close to the fixed mounting plate; the second-stage telescopic rail is connected to the side, deviating from the fixed mounting plate, of the first-stage telescopic rail in a relatively sliding manner; the driven structure is connected among the fixed mounting plate, the first-stage telescopic rail and the second-stage telescopic rail; the driven structure is configured in the mode that when the driving structure drives the first-stage telescopic rail to move in one direction, the driven structure drives the second-stage telescopic rail to move in the same direction relative to the first-stage telescopic rail. By means of the arrangement, the moving mechanism can move by a distance of multiple strokes, the strokes are increased, the structure is simplified, and occupied space is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laboratory mobile platform technical field, concretely relates to a multiple stroke telescopic mechanism. BACKGROUND

[0002] The mobile platform plays a vital role on the production assembly line, is used for setting the stroke of material movement, is used for completing the set process.

[0003] However, the current production assembly line, the mobile platform is realized through motor and gear transmission mechanism etc., for example adopts the conveyer belt to carry out the transfer of material, needs the motor of larger power to drive, also needs to set up the support platform of supporting the movement of conveyer belt, when being realized through the structure form of motor screw nut seat, the length of screw rod also cannot be less than the material transfer stroke.

[0004] Therefore, the space occupation of the conventional mobile platform is larger currently, cannot realize long stroke platform movement in short stroke. UTILITY MODEL CONTENTS

[0005] The utility model provides a multiple stroke telescopic mechanism to solve the problem of large space occupation of the mobile platform in the prior art.

[0006] The utility model discloses a multiple stroke telescopic mechanism, multiple stroke telescopic mechanism includes fixed mounting panel, first telescopic rail, drive structure, second telescopic rail, driven structure, and fixed mounting panel is relatively and parallelly arranged at interval set distance, first telescopic rail is slidably connected to fixed mounting panel, drive structure is connected between fixed mounting panel and first telescopic rail, and is used for driving first telescopic rail to move towards the direction of far away or close to fixed mounting panel, second telescopic rail is slidably connected to the side of first telescopic rail away from fixed mounting panel, and driven structure is connected between fixed mounting panel, first telescopic rail and second telescopic rail,

[0007] Wherein, when the drive structure drives first telescopic rail to move towards a direction, the driven structure drives second telescopic rail to move towards the same direction relative to first telescopic rail.

[0008] Further, the drive structure includes a rack fixed on the fixed mounting plate, a drive motor fixed on the first telescopic rail and a gear fixed on the motor, the gear is engaged on the rack, and the length direction of the rack is parallel to the moving direction of the first telescopic rail.

[0009] Further, the first telescopic rail includes first slide plates slidably connected to the two fixed mounting plates respectively and a connecting plate connected between the two first slide plates.

[0010] Further, the first sliding plate and the fixed mounting plate further have a sliding rail and a first sliding block.

[0011] Further, the secondary telescopic rail comprises two second sliding plates respectively slidably connected to the two first sliding plates and a support table fixed to the two second sliding plates.

[0012] Further, the secondary telescopic rail further comprises a second sliding block fixed to the first sliding plate, and the second sliding plate is movably connected to the second sliding block.

[0013] Further, the driven structure comprises an elongated driven assembly arranged on one of the two first sliding plates.

[0014] Further, the elongated driven assembly comprises a first idler wheel fixed to the distal end of the first sliding plate and a first synchronous belt wrapped around the first idler wheel, one end of the first synchronous belt being fixed to the proximal end of the fixed mounting plate and the other end being fixed to the proximal end of the second sliding plate.

[0015] Further, the driven structure further comprises a retracted driven assembly arranged on the other of the two first sliding plates.

[0016] Further, the retracted driven assembly comprises a second idler wheel fixed to the proximal end of the first sliding plate and a second synchronous belt wrapped around the second idler wheel, one end of the second synchronous belt being fixed to the distal end of the fixed mounting plate and the other end being fixed to the distal end of the second sliding plate.

[0017] The multi-stroke telescopic mechanism provided by the utility model can realize the following technical effects:

[0018] By arranging the secondary telescopic rail inside the primary telescopic rail and driving the primary telescopic mechanism by the driving structure, the secondary telescopic rail is synchronously driven by the driven structure, compared with the prior art, the driving structure drives the same distance, the secondary telescopic rail can move a multi-stroke distance, not only increasing the stroke, but also simplifying the structure and saving the space occupation.

[0019] The foregoing general description and the following description are only exemplary and explanatory, and are not used to limit the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0020] One or more embodiments are exemplarily illustrated by corresponding drawings, the exemplary illustrations and the drawings do not constitute limitation on the embodiments, elements with the same reference numerals in the drawings are regarded as similar elements, and wherein:

[0021] Figure 1is a structure schematic view of a multiple stroke telescopic mechanism in an embodiment of the utility model;

[0022] Figure 2 is another structure schematic view of a multiple stroke telescopic mechanism in an embodiment of the utility model;

[0023] Figure 3 is a connection structure schematic view of a driving structure in an embodiment of the utility model;

[0024] Figure 4 is another connection structure schematic view of a driving structure in an embodiment of the utility model;

[0025] Figure 5 is a connection structure schematic view of an elongated driven assembly in an embodiment of the utility model;

[0026] Figure 6 is a partial enlarged view of A in Figure 3 in an embodiment of the utility model;

[0027] Figure 7 is another structure schematic view of a multiple stroke telescopic mechanism in an embodiment of the utility model;

[0028] Figure 8 is a top view of a multiple stroke telescopic mechanism in an embodiment of the utility model.

[0029] Reference signs:

[0030] 1, fixed mounting plate;2, primary telescopic rail;21, first sliding plate;22, connecting plate;23, sliding rail;24, first sliding block;3, driving structure;31, rack;32, driving motor;33, gear;4, secondary telescopic rail;41, second sliding plate;42, support table;43, second sliding block;5, driven structure;51, elongated driven assembly;511, first idler wheel;512, first synchronous belt;52, retracted driven assembly;521, second idler wheel;522, second synchronous belt. Specific implementation

[0031] In order to be able to more detailedly understand the features and technical contents of the embodiments of the utility model, the implementation of the embodiments of the utility model is described in detail below in conjunction with the drawings, the drawings are only for reference, and are not used to limit the embodiments of the utility model. In the following technical description, for the convenience of explanation, a plurality of details are provided to provide a full understanding of the disclosed embodiments. However, one or more embodiments can still be implemented without these details. In other cases, in order to simplify the drawings, well-known structures and devices can be simplified.

[0032] The terms "first", "second", etc. in the description and claims of the embodiments of the present application and the above drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so as to implement the embodiments of the present application described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0033] In the embodiments of the present application, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the embodiments of the present application and its embodiments, and are not used to limit the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation. In addition, in addition to indicating the orientation or positional relationship, the above-mentioned terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain attachment relationship or connection relationship in some cases. For ordinary skilled persons in the art, the specific meaning of these terms in the embodiments of the present application can be understood according to the specific circumstances.

[0034] In addition, the terms "set", "connected", "fixed" should be broadly understood. For example, "connected" can be fixedly connected, detachably connected, or integrally configured; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For ordinary skilled persons in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0035] Unless otherwise stated, the term "a plurality of" means two or more, and "a plurality of groups" means two groups or more.

[0036] It should be noted that the embodiments in the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0037] As Figures 1 to 8 The utility model discloses a kind of multiple stroke telescopic mechanisms, including fixed mounting plate 1, primary telescopic rail 2, drive structure 3, secondary telescopic rail 4 and driven structure 5, specifically as shown in Figure 1 In the drawings:

[0038] The fixed mounting plate 1 is arranged in parallel at a distance, and in the utility model, the fixed mounting plate 1 is arranged in parallel with two, which can be fixed in the production assembly line; the first telescopic rail 2 is slidably connected to the fixed mounting plate 1; the relative sliding here refers to that the first telescopic rail 2 can slide along the length direction of the fixed mounting plate 1, and the specific sliding structure has multiple, for example, can be a track and sliding block structure or through a track and pulley structure and the like; the driving structure 3 is connected between the fixed mounting plate 1 and the first telescopic rail 2, and is used for driving the first telescopic rail 2 to move towards the direction away from or close to the fixed mounting plate 1; the away here refers to elongation, and the close refers to retraction; the second telescopic rail 4 is slidably connected to the side of the first telescopic rail 2 away from the fixed mounting plate 1; the driven structure 5 is connected between the fixed mounting plate 1, the first telescopic rail 2 and the second telescopic rail 4; wherein the driven structure 5 is configured to drive the second telescopic rail 4 to move in the same direction relative to the first telescopic rail 2 when the driving structure 3 drives the first telescopic rail 2 to move in a direction. In the embodiment of the utility model, the movement of the first telescopic rail 2 drives the movement of the second telescopic rail 4, so that the first telescopic rail 2 can move a set distance, and the second telescopic rail 4 can move multiple times the distance.

[0039] In the above embodiment, by arranging the second telescopic rail 4 inside the first telescopic rail 2, and by driving the first telescopic mechanism through the driving structure 3, and by synchronously driving the second telescopic rail 4 through the driven structure 5, compared with the prior art, the driving structure 3 drives the same distance, and the second telescopic rail 4 can move multiple times the distance, not only increases the stroke, but also simplifies the structure and saves the space occupation. Of course, it needs to be pointed out here that the structure form of the driving structure 3 has multiple, for example, can be a pneumatic cylinder or a hydraulic cylinder, and also can be the following part structure form in the embodiment of the utility model.

[0040] Optionally, as shown in Figure 3 and Figure 4 The driving structure 3 includes a rack 31 fixed on the fixed mounting plate 1, a driving motor 32 fixed on the first telescopic rail 2 and a gear 33 fixed on the motor, the gear 33 is engaged on the rack 31, and the length direction of the rack 31 is arranged in parallel with the moving direction of the first telescopic rail 2. Through such arrangement, the rotation of the driving motor 32 drives the rotation of the gear 33, and since the gear 33 is engaged with the rack 31, the rotation of the driving motor 32 provides power for the movement of the first telescopic rail 2.

[0041] Optionally, as shown in Figure 2As shown in the figure, the primary telescopic rail 2 comprises a first sliding plate 21 and a connecting plate 22 connected between the two first sliding plates 21, and the two first sliding plates 21 are in relative sliding connection with the two fixed mounting plates 1. By means of the connecting plate 22, the two first sliding plates 21 can be simultaneously driven to move synchronously by one driving motor 32.

[0042] Optionally, as shown in the figure, Figure 3 and Figure 6 , the first sliding plate 21 and the fixed mounting plate 1 further comprise a sliding rail 23 and a first sliding block 24. The first sliding plate 21 slides relative to the fixed mounting plate 1 through the sliding rail 23 and the first sliding block 24. It should be noted that the installation positions of the first sliding block 24 and the sliding rail 23 can be selected by those skilled in the art, for example, the first sliding block 24 can be fixed on the fixed mounting plate 1, the sliding rail 23 can be fixed on the first sliding plate 21, or the positions of the first sliding block 24 and the sliding rail 23 can be interchanged.

[0043] Optionally, as shown in the figure, Figure 1 , in the embodiment of the utility model, the secondary telescopic rail 4 comprises two second sliding plates 41 and a support table 42, the two second sliding plates 41 are in relative sliding connection with the two first sliding plates 21, and the support table 42 is fixed on the two second sliding plates 41. By connecting the support table 42 on the two second sliding plates 41, the structural strength of the two second sliding plates 41 is supported, and the support table 42 can be used for placing materials.

[0044] Optionally, as shown in the figure, Figure 3 , the secondary telescopic rail 4 further comprises a second sliding block 43 fixed on the first sliding plate 21, and the second sliding plate 41 is in relative sliding connection with the second sliding block 43. In the embodiment of the utility model, a track similar to the second sliding block 43 can be arranged on the second sliding plate 41, so as to reduce the volume of the second sliding plate 41 and simplify the structure.

[0045] Optionally, as shown in the figure, Figure 7 , in some embodiments of the utility model, the driven structure 5 comprises an elongated driven assembly 51 arranged on one of the two first sliding plates 21. For details, please refer to Figure 5 , the elongated driven assembly 51 comprises a first idler 511 fixed on the distal end of the first sliding plate 21 and a first synchronous belt 512 wrapped around the first idler 511, one end of the first synchronous belt 512 is fixed on the proximal end of the fixed mounting plate 1, and the other end is fixed on the proximal end of the second sliding plate 41. The specific fixing method of the first synchronous belt 512 has many kinds, for example, the fixing method shown in the figure can be used. Figure 5

[0046] Optionally, please continue to refer to Figure 7 ​In an embodiment of this utility model, the driven structure 5 further includes a retractable driven component 52 disposed on the other of the two first sliding plates 21. Specifically, as shown... Figure 3 As shown, the retraction driven assembly 52 includes a second idler wheel 521 fixed to the proximal end of the first slide plate 21 and a second timing belt 522 wrapped around the second idler wheel 521. One end of the second timing belt 522 is fixed to the distal end of the fixed mounting plate 1, and the other end is fixed to the distal end of the second slide plate 41.

[0047] An exemplary embodiment of the application scenario:

[0048] like Figures 1 to 8 As shown, when the telescopic mechanism moves, the drive motor 32 first rotates, causing the first slide plate 21 to extend. At this time, the distal end of the first slide plate 21 has a first idler wheel 511. One end of the first synchronous belt 512 wrapped around the first idler wheel 511 is fixed to the fixed mounting plate 1, and the other end is fixed to the second slide plate 41. Since the second slide plate 41 can move relative to the first slide plate 21, when the idler wheel moves towards the distal end, it can drive the second slide plate 41 to move further towards the distal end, thus achieving a movement of multiple strokes. It should be noted that in this embodiment of the invention, the proximal end refers to the end closer to the telescopic mechanism, and the distal end refers to the end farther from the telescopic mechanism; please continue to refer to... Figure 3 When the drive motor 32 rotates in the opposite direction, the idler wheel on the right side of the first slide plate 21 is located at the near end, which can drive the second slide plate 41 at the far end to move back. The movement of the first slide plate 21 driven by the drive motor 32, and the extension of the second slide plate 41 achieved by the extension driven component 51, and the retraction of the second slide plate 41 achieved by the retraction driven component 52, not only simplifies the structure and saves space compared with the prior art, but also has the beneficial effect of being economical and practical.

[0049] The foregoing description and accompanying drawings fully illustrate embodiments of the present invention to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the order of operation may vary. Some portions and features of some embodiments may be included or substituted for portions and features of other embodiments. Embodiments of the present invention are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from its scope. The scope of the present invention is limited only by the appended claims.

Claims

1. A multi-stroke telescoping mechanism, characterized by, The utility model relates to a kind of multiple stroke telescopic mechanisms, including: Fixed mounting plate (1) is arranged oppositely and parallelly with interval distance; First telescopic rail (2) is slidably connected to the fixed mounting plate (1); Driving structure (3) is connected between the fixed mounting plate (1) and the first telescopic rail (2), for driving the first telescopic rail (2) moves towards the direction away from or close to the fixed mounting plate (1); Second telescopic rail (4) is slidably connected to the side of the first telescopic rail (2) away from the fixed mounting plate (1); Driven structure (5) is connected between the fixed mounting plate (1), first telescopic rail (2) and second telescopic rail (4); Wherein, when the driving structure (3) drives the first telescopic rail (2) moves towards a direction, the driven structure (5) drives the second telescopic rail (4) moves towards the same direction relative to the first telescopic rail (2).

2. The multiple stroke telescopic mechanism according to claim 1, wherein The driving structure (3) includes a rack (31) fixed to the fixed mounting plate (1), a driving motor (32) fixed to the first telescopic rail (2) and a gear (33) fixed to the motor, the gear (33) is engaged with the rack (31), and the length direction of the rack (31) is parallel to the moving direction of the first telescopic rail (2).

3. The multiple stroke telescopic mechanism according to claim 1, wherein The first telescopic rail (2) includes a first sliding plate (21) slidably connected to two fixed mounting plates (1) respectively and a connecting plate (22) connected between two first sliding plates (21).

4. The multiple stroke telescopic mechanism according to claim 3, wherein The first sliding plate (21) and the fixed mounting plate (1) further have a sliding rail (23) and a first sliding block (24) therebetween.

5. The multiple stroke telescopic mechanism according to claim 3, wherein The second telescopic rail (4) includes two second sliding plates (41) slidably connected to two first sliding plates (21) respectively and a support table (42) fixed to two second sliding plates (41).

6. The multiple stroke telescopic mechanism according to claim 5, wherein The second telescopic rail (4) further includes a second sliding block (43) fixed to the first sliding plate (21), and the second sliding plate (41) is slidably connected to the second sliding block (43).

7. The multiple stroke telescopic mechanism according to claim 6, wherein The driven structure (5) includes an elongated driven assembly (51) arranged on one of two first sliding plates (21).

8. The multiple stroke telescopic mechanism according to claim 7, wherein The elongated driven assembly (51) comprises a first idler wheel (511) fixed at the distal end of the first slide plate (21) and a first synchronous belt (512) wrapped around the first idler wheel (511), one end of the first synchronous belt (512) being fixed to the proximal end of the fixed mounting plate (1) and the other end being fixed to the proximal end of the second slide plate (41).

9. The multi-stroke telescopic mechanism according to claim 7, characterized in that, The driven structure (5) further comprises a retraction driven assembly (52) arranged on the other of the two first slide plates (21).

10. The multi-stroke telescopic mechanism according to claim 9, characterized in that, The retraction driven assembly (52) comprises a second idler wheel (521) fixed at the proximal end of the first slide plate (21) and a second synchronous belt (522) wrapped around the second idler wheel (521), one end of the second synchronous belt (522) being fixed to the distal end of the fixed mounting plate (1) and the other end being fixed to the distal end of the second slide plate (41).

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