Telescopic mechanism

Abstract

The utility model discloses a telescopic mechanism, which comprises a rack, a first guide rail, a second guide rail and a telescopic mechanism, the moving assembly is connected to the rack; the clamping plate is connected to the moving assembly and comprises a clamping face used for clamping the medicine box and a driving face arranged on the other side of the clamping face, and a second guide rail is arranged on the driving face; the driving assembly is connected to the moving assembly and used for driving the moving assembly to move along the first guide rail and driving the moving assembly to move along the second guide rail at the same time; and the sensor is arranged on the rack and used for detecting the position of the clamping plate. The telescopic mechanism detects the position of the clamping plate through the sensor, so that the clamping plate can accurately take and place the medicine box, and safety and accuracy in the taking and placing process are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical equipment, and particularly relates to a telescopic mechanism. BACKGROUND

[0002] At present, in the medicine or vaccine transmission equipment, the transfer of the medicine box or the vaccine box is generally to use the clamping plate to clamp the box body, to move the clamping plate, to make the box body transfer to a certain position, and then to drive the clamping plate to release the box body, so that the box body falls to the specified position.

[0003] Since the box body is transferred by moving the clamping plate, if the clamping plate cannot be accurately moved to the position of the box body or cannot accurately release the box body when the box body is transferred to the specified position, the box body cannot be accurately taken or the box body falls and accidents occur, and even safety problems occur due to the falling. Therefore, the above problems need to be further improved.

[0004] The information disclosed in this BACKGROUND section is only for the purpose of increasing the understanding of the background of the present utility model and should not be regarded as an acknowledgment or any form of suggestion that it forms prior art that is already known to those of ordinary skill in the art. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a telescopic mechanism, which can position the clamping plate, so that the clamping plate can accurately take and place the medicine box and has high safety.

[0006] In order to achieve the above-mentioned purpose, the technical scheme provided by one specific embodiment of the utility model is as follows:

[0007] A telescopic mechanism, comprising:

[0008] A rack, wherein a first guide rail is arranged on the rack;

[0009] A moving assembly connected to the rack;

[0010] A clamping plate connected to the moving assembly, comprising a clamping surface for clamping the medicine box and a driving surface arranged on the other side of the clamping surface, wherein a second guide rail is arranged on the driving surface;

[0011] A driving assembly connected to the moving assembly, for driving the moving assembly to move along the first guide rail and simultaneously driving the moving assembly to move along the second guide rail;

[0012] A sensor arranged on the rack, for detecting the position of the clamping plate.

[0013] In one or more embodiments of the utility model, the driving assembly comprises a motor arranged on the moving assembly, the motor is connected with a gear, a first gear rack is arranged on the rack, a second gear rack is arranged on the driving surface, and the gear is simultaneously engaged with the first gear rack and the second gear rack.

[0014] In one or more embodiments of the present application, the first rack material is self-lubricating material, and the self-lubricating material is selected from polytetrafluoroethylene, polyamide, polyether ether ketone and high-density polyethylene.

[0015] In one or more embodiments of the present application, the second rack material is self-lubricating material, and the self-lubricating material is selected from polytetrafluoroethylene, polyamide, polyether ether ketone and high-density polyethylene.

[0016] In one or more embodiments of the present application, the second rack and the clamping plate are connected by riveting; and / or, the first rack and the rack are connected by riveting.

[0017] In one or more embodiments of the present application, the first guide rail and the rack are connected by riveting; and / or, the second guide rail and the clamping plate are connected by riveting.

[0018] In one or more embodiments of the present application, the moving assembly comprises a moving frame, the moving frame is provided with a first moving block matched with the first guide rail and a second moving block matched with the second guide rail.

[0019] In one or more embodiments of the present application, the sensor is provided with a plurality of sensors, the plurality of sensors are arranged along the length direction of the first guide rail, and the moving frame is provided with a sensing sheet for the sensor to detect.

[0020] In one or more embodiments of the present application, the driving assembly is arranged on the moving frame, and the moving frame is provided with a protective cover for covering the driving assembly.

[0021] Compared with the prior art, the present application detects the position of the clamping plate through the sensor, so that the clamping plate can accurately take and place the medicine box, and the safety and accuracy of the taking and placing process are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0023] Figure 1 Structure diagram of the telescopic mechanism in one embodiment of the present application Figure 1 ;

[0024] Figure 2 Structure diagram of the telescopic mechanism in one embodiment of the present application Figure 2;

[0025] Figure 3 Figure 1 is a partial structural schematic diagram of a telescopic mechanism in an embodiment of the present application.

[0026] Main reference signs are explained as follows:

[0027] 1, rack; 11, first guide rail; 12, first rack; 2, clamping plate; 21, clamping surface; 22, driving surface; 23, second guide rail; 24, second rack; 3, moving frame; 31, first moving block; 32, second moving block; 33, inductive sheet; 4, motor; 41, gear; 5, sensor; 6, protective cover. DETAILED DESCRIPTION

[0028] In order to make the person skilled in the art better understand the technical scheme in the present application, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.

[0029] As shown in Figures 1-3 , the telescopic mechanism in an embodiment of the present application comprises a rack 1, a moving assembly, a driving assembly, a clamping plate 2 and a sensor 5. The rack 1 is provided with a first guide rail 11. The clamping plate 2 comprises a clamping surface 21 for clamping a medicine box and a driving surface 22 provided on the other side of the clamping surface 21. The driving surface 22 is provided with a second guide rail 23. The driving assembly is used to drive the moving assembly to move along the first guide rail 11 and the second guide rail 23 at the same time, so that the clamping plate 2 can move on the moving assembly when the moving assembly moves on the rack 1, thereby increasing the stroke of the clamping plate 2. The sensor 5 is used to detect the position of the clamping plate 2, so that the driving assembly controls the moving assembly to move or stop, and the clamping plate 2 can clamp or release the medicine box.

[0030] The moving assembly comprises a moving frame 3. The moving frame 3 is provided with a first moving block 31 matched with the first guide rail 11, so that the moving assembly can move along the length direction of the first guide rail 11. The moving frame 3 is also provided with a second moving block 32 matched with the second guide rail 23, so that the clamping plate 2 can move along the length direction of the second guide rail 23 relative to the moving assembly.

[0031] In order to drive the moving assembly to move, the driving assembly comprises a motor 4 arranged on the moving frame 3, the motor 4 is connected with a gear 41, the first rack 12 is arranged on the first guide rail 11 along the length direction of the first guide rail 11, the second rack 24 is arranged on the driving surface 22 of the clamping plate 2 along the length direction of the second guide rail 23, the clamping plate 2 is arranged opposite to the frame 1, so that the gear 41 is located between the first rack 12 and the second rack 24, and the gear 41 is engaged with the first rack 12 and the second rack 24 at the same time. After starting the motor 4, the motor 4 drives the gear 41 to rotate, under the engagement of the gear 41 and the first rack 12, the moving frame 3 moves along the first guide rail 11, and under the engagement of the gear 41 and the second rack 24, the clamping plate 2 moves on the moving frame 3, so that the moving speed of the clamping plate 2 is one time of the moving speed of the moving frame 3, and the stroke of the clamping plate 2 is increased.

[0032] In order to further improve the overall performance of the telescopic mechanism, the materials of the first rack 12 and the second rack 24 are all selected from self-lubricating materials, which can be polytetrafluoroethylene, polyamide, polyether ether ketone or high-density polyethylene. The self-lubricating material helps to reduce noise, and has low friction coefficient, increased wear resistance and reduced loss, thereby greatly improving the overall performance of the telescopic mechanism.

[0033] The second guide rail 23 and the second rack 24 are connected to the clamping plate 2 by riveting, and a gap is left between the second guide rail 23 and the clamping plate 2 and between the second rack 24 and the clamping plate 2 on the basis of ensuring the stability of the structure. Riveting is rivet connection, and in the process of movement, when subjected to external force such as shear force, the shear force received by the second guide rail 23 and the second rack 24 is transmitted to the rivet, and part of the shear force is consumed by the rivet, thereby protecting the second guide rail 23 and the second rack 24 and reducing the deformation probability of the second guide rail 23 and the second rack 24. The left gap can adapt to the deformation of the rivet, reduce the negative influence of the stress generated by the deformation of the rivet on the second guide rail 23 and the second rack 24, and also ensure the riveting strength. Therefore, the riveting connection can increase the self-deformation of the second guide rail 23 and the second rack 24 caused by external force or environment, and has small risk of loosening and long-term stability. Of course, the first rack 12 and the first guide rail 11 are also connected to the frame 1 by riveting to improve the stability of the telescopic mechanism.

[0034] The moving frame 3 is provided with a protective cover 6, which can cover the motor 4 and the gear 41, thereby preventing foreign matters from damaging the motor 4 and the gear 41 and affecting the normal movement of the clamping plate 2.

[0035] The rack 1 is provided with a plurality of sensors 5 arranged along the length direction of the first guide rail 11, and the moving frame 3 is provided with a sensing sheet 33, when the moving frame 3 moves, the sensing sheet 33 is detected by the sensor 5, so as to realize the positioning of the clamping plate 2, and then the position of the medicine box clamped by the clamping plate 2 can be accurately positioned, so that the medicine box can be accurately dropped to the specified position after being released. The specific type of the sensor 5 is the type commonly used in the art, such as an optical fiber sensor.

[0036] In specific application, the telescopic mechanism can be arranged in pairs to provide two clamping plates 2, and the two telescopic mechanisms are driven to move close to or away from each other to realize clamping or releasing of the medicine box by the two clamping plates 2. In specific operation, the controller sends a signal to the motor 4, and the motor 4 is reversely rotated after receiving the signal, and the gear 41 connected with the motor 4 drives the clamping plate 2 to move to the position of the medicine box, at this time the sensor 5 is positioned to the position of the sensing sheet 33, and the controller issues an instruction to drive the two telescopic mechanisms to move close to each other by the auxiliary mechanism, so that the two clamping plates 2 clamp the medicine box. The clamping plate 2 moves to transfer the medicine box to the specified position, and the two telescopic mechanisms are driven to move away from each other by the auxiliary mechanism, so that the two clamping plates 2 move away from each other to release the medicine box. Then the motor 4 receives the instruction to reverse, and the gear 41 drives the clamping plate 2 to move back, and the position of the clamping plate 2 is positioned by the sensor 5, until the clamping plate 2 moves to the initial position, and the clamping plate 2 is reset. The whole working process is positioned by the sensor 5, which can not only accurately clamp the medicine box, but also accurately release the medicine box to the specified position, with high accuracy and good safety.

[0037] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0038] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A telescoping mechanism, characterized by, The utility model relates to a medicine box conveying device, including: A rack is provided with a first guide rail; A moving assembly is connected to the rack; A clamping plate is connected to the moving assembly, including a clamping surface for clamping a medicine box and a driving surface provided on the other side of the clamping surface, the driving surface is provided with a second guide rail; A driving assembly is connected to the moving assembly, used for driving the moving assembly to move along the first guide rail, and simultaneously driving the moving assembly to move along the second guide rail; A sensor is provided on the rack for detecting the position of the clamping plate.

2. The telescoping mechanism of claim 1, wherein, The driving assembly includes a motor provided on the moving assembly, the motor is connected with a gear, the rack is provided with a first gear rack, the driving surface is provided with a second gear rack, and the gear is engaged with the first gear rack and the second gear rack at the same time.

3. The telescoping mechanism of claim 2, wherein, The first gear rack is made of self-lubricating material, and the self-lubricating material is selected from polytetrafluoroethylene, polyamide, polyether ether ketone and high-density polyethylene.

4. The telescoping mechanism of claim 2, wherein, The second gear rack is made of self-lubricating material, and the self-lubricating material is selected from polytetrafluoroethylene, polyamide, polyether ether ketone and high-density polyethylene.

5. The telescoping mechanism of claim 2, wherein, The second gear rack is connected with the clamping plate by riveting; and / or, the first gear rack is connected with the rack by riveting.

6. The telescoping mechanism of claim 1, wherein, The first guide rail is connected with the rack by riveting; and / or, the second guide rail is connected with the clamping plate by riveting.

7. The telescoping mechanism of claim 1, wherein, The moving assembly includes a moving frame, the moving frame is provided with a first moving block matched with the first guide rail, and a second moving block matched with the second guide rail.

8. The telescoping mechanism of claim 7, wherein, The sensor is provided with a plurality of sensors arranged along the length direction of the first guide rail, and the moving frame is provided with a sensing sheet for the sensor to detect.

9. The telescoping mechanism of claim 7, wherein, The driving assembly is provided on the moving frame, and the moving frame is provided with a protective cover for covering the driving assembly.

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