A detachable sleeve type transmission mechanism

Abstract

The utility model relates to the technical field of transmission devices, and specifically to a detachable sleeve type transmission mechanism. The utility model is used to solve the technical problem that in the existing sleeve type transmission mechanism, when transmitting, a plurality of sleeves are mostly fixedly connected, and when maintenance or replacement of parts is required, it is not convenient to quickly and independently disassemble and install the parts therein, and the entire transmission system needs to be completely disassembled, which reduces the practicality of the device. The utility model comprises a driving shaft body and a transmission shaft, wherein the driving shaft body consists of an input shaft and an output shaft, the top of the input shaft is provided with an output shaft, the bottom of the input shaft is provided with a lifting assembly, and the bottom of the transmission shaft is provided with a rotating sleeve; the beneficial effect of the utility model is that when maintenance or replacement of parts is required, the parts therein can be quickly and independently disassembled and installed, without the need to completely disassemble the entire transmission system, thereby improving the practicality of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission devices, in particular to a detachable sleeve type transmission mechanism. Background Art

[0002] A sleeve transmission is a common mechanical transmission device, usually composed of one or more sleeves. This transmission mechanism is designed to transfer power or torque from one location to another and is commonly used in mechanical equipment, automobiles, bicycles and other engineering applications.

[0003] When the existing sleeve-type transmission mechanism is transmitting, the multiple sleeves are mostly fixedly connected. When maintenance or replacement of parts is required, it is not convenient to quickly and independently disassemble and install the parts, and the entire transmission system needs to be completely disassembled, which reduces the practicality of the device. Utility Model Content

[0004] The purpose of the utility model is to provide a detachable sleeve transmission mechanism, which is used to solve the technical problem that in the existing sleeve transmission mechanism, when transmitting, most of the sleeves are fixedly connected, and when maintenance or replacement of parts is required, it is not convenient to quickly and independently disassemble and install the parts therein, and the entire transmission system needs to be completely disassembled, which reduces the practicality of the device.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A detachable sleeve type transmission mechanism comprises a driving shaft body and a transmission shaft, wherein the driving shaft body consists of an input shaft and an output shaft, the top of the input shaft is provided with an output shaft, the bottom of the input shaft is provided with a lifting assembly, the bottom of the transmission shaft is provided with a rotating sleeve, the bottom of the rotating sleeve is provided with a sleeve connecting groove, hollow positioning frames are symmetrically provided at both ends of the middle part of the output shaft, openings are symmetrically provided at both ends of the middle part of the rotating sleeve, engaging grooves are symmetrically provided at both ends of the top and bottom of the hollow positioning frame, and a positioning box is positioned and placed in the hollow positioning frame.

[0007] As a further improvement scheme of the utility model: the lifting assembly includes a lifting frame, a rotating motor is provided on the outer wall of the top end of the lifting frame, a rotating threaded rod is provided on the output end of the rotating motor, a movable sleeve is sleeved on the rotating threaded rod and is slidably connected to the inner wall of the lifting frame, a supporting base plate is provided on the outer wall of one side of the movable sleeve, a servo motor is fixedly installed on the outer wall of the top end of the support base plate away from the movable sleeve, and the output end of the servo motor is connected to the input shaft.

[0008] As a further improvement scheme of the utility model: a rotating motor is provided on the middle inner wall of one side of the positioning box, a rotating screw is provided on the output end of the rotating motor, a movable sleeve is sleeved on the rotating screw, connecting rods are symmetrically provided at both ends of the movable sleeve, a rotating rod is symmetrically hinged on the middle inner wall of the other side of the positioning box, and the two rotating rods are symmetrically arranged at both ends of the rotating screw, the inner side wall of the rotating rod is slidably connected to the connecting rod, and movable plates are symmetrically slidably connected to the inner walls at both ends of the positioning box, and the movable plates are movably connected to the rotating rod.

[0009] As a further improvement scheme of the utility model: a return spring is provided in the middle part of the side of the movable plate away from the rotating screw, and the end of the return spring away from the movable plate is connected to the inner wall of the positioning box, and positioning blocks are symmetrically provided at both ends of the side of the movable plate away from the rotating screw, which penetrate the inner wall of the positioning box and extend to the outside thereof, and the positioning blocks are used in conjunction with the engaging grooves.

[0010] As a further improvement of the present invention: fixed connecting rods are symmetrically provided on the outer walls at both ends of one side of the positioning box, passing through the opening and extending to the outside thereof; the two fixed connecting rods are fixedly connected to a connecting plate at one end away from the positioning box; a handle is provided on the outer wall in the middle part of the end of the connecting plate away from the fixed connecting rod.

[0011] The utility model has the following beneficial effects:

[0012] 1. The output shaft is positioned and engaged in the rotating sleeve by using the handle, the positioning box, the opening, the hollow positioning frame, the rotating motor, the rotating screw, the moving sleeve, the rotating rod, the moving plate, the return spring, the positioning block and the engaging groove, so that the driving shaft body and the transmission shaft form a transmission whole. When the driving shaft body and the transmission shaft need to be disassembled, the output shaft is separated from the rotating sleeve by using the rotating motor, the moving sleeve, the rotating rod, the positioning block, the engaging groove, the handle, the positioning box and the hollow positioning frame, so that the driving shaft body and the transmission shaft no longer form a transmission whole. Through the above processing, when maintenance or replacement of parts is required, the parts can be quickly and independently disassembled and installed without completely disassembling the entire transmission system, thereby improving the practicality of the device;

[0013] 2. Through the coordinated use of the rotating motor, the rotating threaded rod, the movable sleeve, the supporting base plate, the servo motor and the driving shaft body, when the output shaft needs to be inserted into the rotary sleeve, it is only necessary to align the output shaft with the sleeve connecting groove on the rotary sleeve, without manual insertion, thus avoiding accidents that may cause damage to the human body and improving the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 This is a schematic diagram of the structure in which the driving shaft body, the rotary sleeve and the transmission shaft cooperate in the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the active shaft body and the lifting assembly in the utility model;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the lifting component in the utility model;

[0018] Figure 4 For this utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0019] Figure 5 It is a schematic diagram of the three-dimensional structure of the positioning box, the positioning block, the fixed connecting rod, the connecting plate and the handle in the utility model.

[0020] Figure numerals: 1. driving shaft body; 2. input shaft; 3. output shaft; 4. rotating sleeve; 5. transmission shaft; 6. sleeve connecting groove; 7. servo motor; 8. fixed connecting rod; 9. lifting assembly; 10. lifting frame; 11. rotating motor; 12. rotating threaded rod; 13. movable sleeve; 14. supporting base plate; 15. connecting plate; 16. handle; 17. positioning box; 18. positioning block; 19. reset spring; 20. moving plate; 21. rotating motor; 22. rotating screw; 23. moving sleeve; 24. connecting rod; 25. hollow positioning frame; 26. rotating rod. DETAILED DESCRIPTION

[0021] The technical solution of the utility model will be described clearly and completely in conjunction with the embodiments below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1:

[0023] In the existing sleeve-type transmission mechanism, when transmitting, the multiple sleeves are mostly fixedly connected. When maintenance or replacement of parts is required, it is not convenient to quickly and independently disassemble and install the parts, and the entire transmission system needs to be completely disassembled, which reduces the practicality of the device. To solve this problem, the following technical solution is proposed:

[0024] like Figure 1-5 As shown, this embodiment provides a detachable sleeve type transmission mechanism, including a driving shaft body 1 and a transmission shaft 5, the driving shaft body 1 is composed of an input shaft 2 and an output shaft 3, the top of the input shaft 2 is provided with the output shaft 3, the bottom of the input shaft 2 is provided with a lifting assembly 9, the bottom of the transmission shaft 5 is provided with a rotating sleeve 4, the bottom of the rotating sleeve 4 is provided with a sleeve connecting groove 6, the middle of the output shaft 3 is symmetrically provided with hollow positioning frames 25 at both ends, the middle of the rotating sleeve 4 is symmetrically provided with openings at both ends, the top and bottom of the hollow positioning frame 25 are symmetrically provided with engaging grooves, and a positioning box 17 is positioned and placed in the hollow positioning frame 25;

[0025] A rotating motor 21 is provided on the inner wall in the middle of one side of the positioning box 17, a rotating screw 22 is provided on the output end of the rotating motor 21, a movable sleeve 23 is sleeved on the rotating screw 22, and connecting rods 24 are symmetrically provided at both ends of the movable sleeve 23, and a rotating rod 26 is symmetrically hinged on the inner wall in the middle of the other side of the positioning box 17, and two rotating rods 26 are symmetrically arranged at both ends of the rotating screw 22, and the inner wall of the rotating rod 26 is slidably connected to the connecting rod 24, and the inner walls of the two ends of the positioning box 17 are symmetrically slidably connected with movable plates 20, and the movable plates 20 are movably connected to the rotating rods 26, and the rotating screw 22 is driven to rotate by the operation of the rotating motor 21, and the movable sleeve 23 is driven to move on the rotating screw 22, and the rotating The rotating rod 26 rotates outward, driving the moving plate 20 to compress the return spring 19, driving the positioning block 18 to move to the inside of the engaging groove, so that the positioning box 17 is engaged in the hollow positioning frame 25, so that the output shaft 3 is positioned and engaged in the rotating sleeve 4, so that the driving shaft body 1 and the transmission shaft 5 form a transmission whole, and the middle part of the side of the moving plate 20 away from the rotating screw 22 is provided with a return spring 19, and the end of the return spring 19 away from the moving plate 20 is connected to the inner wall of the positioning box 17, and the two ends of the side of the moving plate 20 away from the rotating screw 22 are symmetrically provided with positioning blocks 18 that penetrate the inner wall of the positioning box 17 and extend to the outside thereof, and the positioning blocks 18 are used in conjunction with the engaging groove;

[0026] On the outer walls of both ends of one side of the positioning box 17, fixed connecting rods 8 are symmetrically provided, which penetrate the opening and extend to the outside thereof. The ends of the two fixed connecting rods 8 away from the positioning box 17 are fixedly connected to the connecting plates 15. A handle 16 is provided on the outer wall of the middle part of the end of the connecting plate 15 away from the fixed connecting rods 8. When assembling the driving shaft body 1 and the transmission shaft 5, the output shaft 3 is inserted into the sleeve connecting groove 6 on the rotating sleeve 4, and the handle 16 is operated to send the positioning box 17 into the hollow positioning frame 25 along the opening.

[0027] When the driving shaft body 1 and the transmission shaft 5 need to be disassembled, the movable sleeve 23 is driven to move by rotating the motor 21 in reverse, and the rotating rod 26 is driven to rotate inward, and the positioning block 18 is driven to move out of the engagement groove. The positioning box 17 is pulled out of the hollow positioning frame 25 by operating the handle 16, so that the output shaft 3 is separated from the rotating sleeve 4, so that the driving shaft body 1 no longer forms a transmission whole with the transmission shaft 5. Through the above processing, when maintenance or replacement of parts is required, the parts can be quickly and independently disassembled and installed without completely disassembling the entire transmission system, thereby improving the practicality of the device.

[0028] Embodiment 2:

[0029] like Figure 2 and Figure 3 As shown, the lifting assembly 9 includes a lifting frame 10, a rotating motor 11 is provided on the outer wall of the top of the lifting frame 10, a rotating threaded rod 12 is provided on the output end of the rotating motor 11, a movable sleeve 13 slidably connected to the inner wall of the lifting frame 10 is sleeved on the rotating threaded rod 12, a supporting base plate 14 is provided on the outer wall of one side of the movable sleeve 13, a servo motor 7 is fixedly installed on the outer wall of the top of the supporting base plate 14 away from the movable sleeve 13, and the output end of the servo motor 7 is connected to the input shaft 2; the rotating threaded rod 12 is driven to rotate by the operation of the rotating motor 11, the movable sleeve 13 is driven to move on the rotating threaded rod 12, the supporting base plate 14 is driven to move, and the servo motor 7 and the driving shaft body 1 are driven to move up and down. When the output shaft 3 needs to be inserted into the rotary sleeve 4, it is only necessary to align the output shaft 3 with the sleeve connecting groove 6 on the rotary sleeve 4, and the output shaft 3 is inserted into the rotary sleeve 4 by moving the supporting base plate 14, without manual insertion, avoiding accidents to cause damage to the human body, and improving the safety of the device.

[0030] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A detachable sleeve type transmission mechanism, comprising a driving shaft body (1) and a transmission shaft (5), characterized in that: The driving shaft body (1) is composed of an input shaft (2) and an output shaft (3); the top of the input shaft (2) is provided with an output shaft (3); the bottom of the input shaft (2) is provided with a lifting assembly (9); the bottom of the transmission shaft (5) is provided with a rotating sleeve (4); the bottom of the rotating sleeve (4) is provided with a sleeve connecting groove (6); hollow positioning frames (25) are symmetrically provided at both ends of the middle of the output shaft (3); openings are symmetrically provided at both ends of the middle of the rotating sleeve (4); engaging grooves are symmetrically provided at both ends of the top and bottom of the hollow positioning frame (25); a positioning box (17) is positioned and placed in the hollow positioning frame (25).

2. A detachable sleeve type transmission mechanism according to claim 1, characterized in that: The lifting assembly (9) comprises a lifting frame (10), a rotating motor (11) is provided on the outer wall of the top end of the lifting frame (10), a rotating threaded rod (12) is provided on the output end of the rotating motor (11), a movable sleeve (13) is sleeved on the rotating threaded rod (12) and is slidably connected to the inner wall of the lifting frame (10), a supporting base plate (14) is provided on the outer wall of one side of the movable sleeve (13), a servo motor (7) is fixedly mounted on the outer wall of the top end of the supporting base plate (14) away from the movable sleeve (13), and the output end of the servo motor (7) is connected to the input shaft (2).

3. A detachable sleeve type transmission mechanism according to claim 1, characterized in that: A rotating motor (21) is provided on the inner wall of the middle part of one side of the positioning box (17), a rotating screw (22) is provided on the output end of the rotating motor (21), a movable sleeve (23) is sleeved on the rotating screw (22), connecting rods (24) are symmetrically provided at both ends of the movable sleeve (23), a rotating rod (26) is symmetrically hinged on the inner wall of the middle part of the other side of the positioning box (17), and two rotating rods (26) are symmetrically provided at both ends of the rotating screw (22), the inner side wall of the rotating rod (26) is slidably connected to the connecting rod (24), and movable plates (20) are symmetrically slidably connected to the inner walls at both ends of the positioning box (17), and the movable plates (20) are movably connected to the rotating rods (26).

4. A detachable sleeve type transmission mechanism according to claim 3, characterized in that: A return spring (19) is provided in the middle of a side of the movable plate (20) away from the rotating screw (22), and one end of the return spring (19) away from the movable plate (20) is connected to the inner wall of the positioning box (17), and positioning blocks (18) penetrating the inner wall of the positioning box (17) and extending to the outside thereof are symmetrically provided at both ends of the side of the movable plate (20) away from the rotating screw (22), and the positioning blocks (18) are used in conjunction with the engaging grooves.

5. A detachable sleeve type transmission mechanism according to claim 3, characterized in that: On the outer walls at both ends of one side of the positioning box (17), fixed connecting rods (8) are symmetrically provided, penetrating through the opening and extending to the outside thereof; the ends of the two fixed connecting rods (8) away from the positioning box (17) are fixedly connected to connecting plates (15); and a handle (16) is provided on the outer wall in the middle of the end of the connecting plate (15) away from the fixed connecting rods (8).

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