Transmission device for linear driving mechanism

Abstract

The utility model is applicable to the technical field of linear driving mechanisms, and provides a transmission device for a linear driving mechanism, which comprises a driving part, a transmission part and a driving part, the standby set is matched with the power wheel and comprises a shell arranged above the driving part, a supporting plate fixedly connected to the shell, an idle gear rotationally connected to the supporting plate and a spur gear meshed with the idle gear, the idle gear is meshed with the power wheel, the spur gear is rotationally connected to a vertical rod, the vertical rod is slidably connected to the supporting plate, and the supporting plate is fixedly connected to the shell. A sliding block is connected to the supporting plate in a sliding mode, a reverse gear is rotationally connected to the sliding block, the reverse gear is meshed with the power wheel, and the vertical rod can drive the sliding block to move in the radial direction of the reverse gear when moving in the axial direction of the spur gear; and by means of the standby set, the standby rod can be connected with the clamping shaft, it is ensured that the driving direction of the standby rod is the same as or opposite to that of the lead screw, and the problem that two sets of linear driving mechanisms need to be arranged when two linear driving requirements are needed is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of linear drive mechanisms, in particular to a transmission device for linear drive mechanisms. Background Art

[0002] When the linear drive device is in use, the motor is driven by a toothed belt, so that the screw can only maintain one rotation speed with the motor and only maintain a single-axis output; when the device needs to be equipped with two linear drive functions in the same or opposite directions, two linear drive devices are usually equipped, which increases the equipment cost and requires a larger installation space, and has poor practicality.

[0003] The Chinese patent with the patent publication number CN220727025U discloses a linear drive device, including a drive assembly, a transmission mechanism, an output screw assembly, a support assembly and an output nut; the drive assembly is connected to the transmission mechanism, the output screw assembly includes an output planetary carrier and a screw, the output planetary carrier is the output component of the transmission mechanism and is connected to the screw, the support assembly includes a support end cover and a thrust ball bearing and a deep groove ball bearing built into the support end cover, the thrust ball bearing and the deep groove ball bearing jointly support the output screw assembly axially and radially, and the output nut is threadedly connected to the screw. Compared with the prior art, the above linear drive device can only have a single-axis output, and cannot be used when there are two output requirements.

[0004] In summary, the prior art obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0005] In view of the above-mentioned defects, the purpose of the utility model is to provide a transmission device for a linear drive mechanism, which can solve the problem of needing to equip two sets of linear drive mechanisms when two linear drive requirements are needed, is suitable for a variety of drive requirements, improves the practicality and compactness of the device, and reduces equipment costs.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a transmission device for a linear drive mechanism, including: a driving member, an output end of the driving member is provided with a power wheel; a spare group matching the power wheel, the spare group includes a shell arranged above the driving member, a support plate fixed to the shell, an idler wheel rotatably connected to the support plate and a spur gear meshed with the idler wheel, the idler wheel is meshed with the power wheel, the spur gear is rotatably connected to a vertical rod, the vertical rod is slidably connected to the support plate, a sliding block is slidably connected to the support plate, a reverse gear is rotatably connected to the sliding block, the reverse gear is meshed with the power wheel, and when the vertical rod moves along the axial direction of the spur gear, it drives the sliding block to move along the radial direction of the reverse gear.

[0007] According to the transmission device for the linear drive mechanism of the utility model, a vertical rod is provided at the bottom of the vertical rod, and a connecting rod is hinged between the vertical rod and the sliding block.

[0008] According to the transmission device for the linear drive mechanism of the utility model, a groove is provided on the support plate, the sliding block is arranged in the groove, a round rod is provided on the sliding block, the round rod is slidably connected to the support plate, and an elastic member is provided on the outer sleeve of the round rod.

[0009] According to the transmission device for a linear drive mechanism of the utility model, the top of the housing is fixedly connected to two limit blocks, and the vertical rod is arranged between the two limit blocks.

[0010] According to the transmission device for a linear drive mechanism of the utility model, the power wheel is meshed with an intermediate gear at the end away from the idler wheel, the intermediate gear is meshed with the final gear, and a screw rod is provided on the final gear.

[0011] According to the transmission device for a linear drive mechanism of the utility model, both the spur gear and the reverse gear are provided with a clamping shaft.

[0012] The utility model provides a transmission device for a linear drive mechanism, comprising: a driving member, an output end of the driving member is provided with a power wheel; a spare group matched with the power wheel, the spare group comprises a shell arranged above the driving member, a fixed support plate of the shell, an idler wheel rotatably connected to the support plate and a spur gear meshed with the idler wheel, the idler wheel meshes with the power wheel, the spur gear is rotatably connected to a vertical rod, the vertical rod is slidably connected to the support plate, a sliding block is slidably connected to the support plate, a reverse gear is rotatably connected to the sliding block, the reverse gear is meshed with the power wheel, and when the vertical rod moves along the axial direction of the spur gear, the sliding block will be driven to move along the radial direction of the reverse gear; the beneficial effects of the utility model are as follows: through the driving member, the power wheel, the intermediate gear and the terminal gear, the screw rod can be driven to rotate to realize the linear drive function; through the spare group, the spare rod can be connected to the clamping shaft to ensure that the driving direction of the spare rod is the same as or opposite to that of the screw rod, so as to solve the problem that two sets of linear drive mechanisms need to be equipped when two linear drive requirements are required, and it is suitable for a variety of drive requirements, improves the practicality and compactness of the device, and reduces the equipment cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This utility model Figure 1 Schematic diagram of the main structure;

[0015] Figure 3 It is a partial structural schematic diagram of the utility model;

[0016] Figure 4 This utility model Figure 3 A schematic cross-sectional structure diagram of ;

[0017] Figure 5 It is a schematic diagram of the screw rod structure of the utility model;

[0018] In the figure, 1-driving member, 101-support plate, 102-limiting block, 2-housing, 3-power wheel, 301-idling wheel, 4-reverse gear, 401-sliding block, 402-round rod, 403-elastic member, 5-spur gear, 501-vertical rod, 502-vertical rod, 503-connecting rod, 6-clamping shaft, 7-intermediate gear, 8-end gear, 9-screw. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0020] See also Figures 1 to 5 The utility model provides a transmission device for a linear drive mechanism, which comprises: a driving member 1, wherein the output end of the driving member 1 is provided with a power wheel 3; a spare group matched with the power wheel 3, wherein the spare group comprises a housing 2 arranged above the driving member 1, a support plate 101 fixed to the housing 2, an idler wheel 301 rotatably connected to the support plate 101, and a spur gear 5 meshed with the idler wheel 301, wherein the idler wheel 301 meshes with the power wheel 3, the spur gear 5 is rotatably connected to a vertical rod 501, the vertical rod 501 is slidably connected to the support plate 101, a sliding block 401 is slidably connected to the support plate 101, and the sliding block 40 1 is rotatably connected with a reverse gear 4, and the reverse gear 4 is meshed with the power wheel 3. When the vertical rod 501 moves along the axial direction of the spur gear 5, it will drive the sliding block 401 to move along the radial direction of the reverse gear 4. The beneficial effects of the utility model are as follows: through the driving member 1, the power wheel 3, the intermediate gear 7 and the terminal gear 8, the screw rod 9 can be driven to rotate to realize the linear driving function; through the standby group, the standby rod can be connected with the clamping shaft 6 to ensure that the driving direction of the standby rod is the same as or opposite to that of the screw rod 9, which solves the problem that two sets of linear driving mechanisms need to be equipped when two linear driving requirements are required, is suitable for a variety of driving requirements, improves the practicality and compactness of the device, and reduces the equipment cost.

[0021] See also Figures 1 to 5 Preferably, a vertical rod 502 is provided at the bottom of the vertical rod 501 of the utility model, and a connecting rod 503 is hinged between the vertical rod 502 and the sliding block 401. The movement of the vertical rod 501 can drive the sliding block 401 to move through the connecting rod 503, and the movement direction of the vertical rod 501 is perpendicular to that of the sliding block 401.

[0022] See also Figures 1 to 5 In addition, a groove is provided on the support plate 101 of the utility model, and the sliding block 401 is arranged in the groove. A round rod 402 is provided on the sliding block 401, and the round rod 402 is slidably connected to the support plate 101. An elastic member 403 is provided on the outer sleeve of the round rod 402 to ensure that the reverse gear 4 does not shift when meshing with the power wheel 3.

[0023] See also Figures 1 to 5 Furthermore, two limit blocks 102 are fixed to the top of the shell 2 of the utility model, and the vertical rod 501 is arranged between the two limit blocks 102 to ensure that the reverse gear 4 can rotate stably without deviation when it is meshed with the power wheel 3 and when it is meshed with the idler wheel 301.

[0024] See also Figures 1 to 5 Preferably, the power wheel 3 of the present invention is meshed with an intermediate gear 7 at the end away from the idler wheel 301, and the intermediate gear 7 is meshed with a terminal gear 8, and a screw rod 9 is provided on the terminal gear 8 to realize the linear drive function.

[0025] See also Figures 1 to 5 Better yet, the spur gear 5 and the reverse gear 4 of the utility model are both provided with a clamping shaft 6, which is convenient for connecting the spare rod to ensure that multiple linear drive requirements are met.

[0026] Working principle: Start the driving member 1, drive the power wheel 3 to rotate, the power wheel 3 drives the intermediate gear 7 and the idler wheel 301 to rotate respectively, the intermediate gear 7 drives the final gear 8 to rotate, and the final gear 8 drives the screw 9 to rotate, realizing the linear drive function; at this time, the idler wheel 301 drives the reverse gear 4 to rotate idly, and the rotation direction of the clamping shaft 6 on the reverse gear 4 is opposite to that of the screw 9, and at the same time, the vertical rod 501 is fixed to a limit block 102 by bolts;

[0027] When it is necessary to add a linear drive requirement, and the driving direction is opposite to the screw rod 9, the spare rod is connected to the clamping shaft 6 to realize the driving requirement; when the driving direction is the same as the screw rod 9, the vertical rod 501 is pushed to drive the spur gear 5 close to the idler wheel 301. When the spur gear 5 moves, the connecting rod 503 drives the reverse gear 4 away from the power wheel 3 through the sliding block 401. After the spur gear 5 is meshed with the idler wheel 301, the rotation direction of the clamping shaft 6 on the spur gear 5 is the same as that of the screw rod 9. The spare rod is connected to this clamping shaft 6 to realize the driving requirement.

[0028] In summary, the utility model provides a transmission device for a linear drive mechanism, comprising: a driving member, wherein the output end of the driving member is provided with a power wheel; a spare group matched with the power wheel, wherein the spare group comprises a shell arranged above the driving member, a fixed support plate of the shell, an idler wheel rotatably connected to the support plate, and a spur gear meshed with the idler wheel, wherein the idler wheel is meshed with the power wheel, the spur gear is rotatably connected to the vertical rod, the vertical rod is slidably connected to the support plate, a sliding block is slidably connected to the support plate, a reverse gear is rotatably connected to the sliding block, and the reverse gear is meshed with the power wheel, and when the vertical rod moves along the axial direction of the spur gear, the sliding block will be driven to move along the radial direction of the reverse gear; the beneficial effects of the utility model: through the driving member, the power wheel, the intermediate gear and the terminal gear, the screw rod can be driven to rotate to realize the linear drive function; through the spare group, the spare rod can be connected to the clamping shaft to ensure that the driving direction of the spare rod is the same as or opposite to that of the screw rod, so as to solve the problem that two sets of linear drive mechanisms need to be equipped when two linear drive requirements are required, and it is suitable for a variety of drive requirements, improves the practicality and compactness of the device, and reduces the equipment cost.

[0029] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field can make various corresponding changes and deformations based on the present invention, but these corresponding changes and deformations should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. A transmission device for a linear drive mechanism, characterized in that: include: A driving member, wherein an output end of the driving member is provided with a power wheel; A spare group matching the power wheel, the spare group includes a shell arranged above the driving member, fixed to a support plate of the shell, an idler wheel rotatably connected to the support plate and a spur gear meshed with the idler wheel, the idler wheel meshes with the power wheel, the spur gear is rotatably connected to the vertical pole, the vertical pole is slidably connected to the support plate, a sliding block is slidably connected to the support plate, a reverse gear is rotatably connected to the sliding block, the reverse gear is meshed with the power wheel, and when the vertical pole moves along the axial direction of the spur gear, it drives the sliding block to move radially along the reverse gear.

2. The transmission device for a linear drive mechanism according to claim 1, characterized in that: A vertical rod is arranged at the bottom of the vertical rod, and a connecting rod is hinged between the vertical rod and the sliding block.

3. The transmission device for a linear drive mechanism according to claim 1, characterized in that: The support plate is provided with a groove, the sliding block is arranged in the groove, the sliding block is provided with a round rod, the round rod is slidably connected to the support plate, and an elastic piece is arranged on the outer sleeve of the round rod.

4. The transmission device for a linear drive mechanism according to claim 1, characterized in that: The top of the shell is fixedly connected to two limit blocks, and the vertical rod is arranged between the two limit blocks.

5. The transmission device for a linear drive mechanism according to claim 1, characterized in that: The power wheel is meshed with an intermediate gear at the end away from the idler wheel, and the intermediate gear is meshed with the terminal gear, and a lead screw is arranged on the terminal gear.

6. The transmission device for a linear drive mechanism according to claim 1, characterized in that: The spur gear and the reverse gear are both provided with a clamping shaft.

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