CN222687237U - Transmission device for linear drive mechanism - Google Patents

Abstract

The utility model is suitable for the technical field of linear driving mechanisms, and provides a transmission device for a linear driving mechanism, which comprises a driving piece, a standby group matched with the driving piece, wherein the standby group comprises a shell arranged above the driving piece, an idler wheel fixedly connected with a shell supporting plate, a rotating connection with the supporting plate and a spur gear meshed with the idler wheel, the idler wheel is meshed with the driving wheel, the spur gear is rotationally connected with a vertical rod, the vertical rod is slidingly connected with the supporting plate, a sliding block is slidingly connected with the supporting plate, a counter gear is rotationally connected with the sliding block, the counter gear is meshed with the driving wheel, the sliding block can be driven to move along the radial direction of the counter gear when the vertical rod moves along the axial direction of the spur gear, and the standby rod can be connected with a clamping shaft through the standby group, so that the driving direction of the standby rod is identical with or opposite to that of a screw rod, and the problem that two groups of linear driving mechanisms are required to be equipped when two linear driving requirements are required is solved.

Description

Transmission device for linear driving mechanism

Technical Field

The utility model relates to the technical field of linear driving mechanisms, in particular to a transmission device for a linear driving mechanism.

Background

When the device is required to be provided with two same-direction or opposite-direction linear driving functions, the two linear driving devices are usually provided, so that the equipment cost is increased, the required installation space is larger, and the practicability is poor.

The Chinese patent with the publication number of CN220727025U discloses a linear driving device, which comprises a driving assembly, a transmission mechanism, an output screw rod assembly, a supporting assembly and an output nut, wherein the driving assembly is connected with the transmission mechanism, the output screw rod assembly comprises an output planet carrier and a screw rod, the output planet carrier is an output part of the transmission mechanism and is connected with the screw rod, the supporting assembly comprises a supporting end cover, a thrust ball bearing and a deep groove ball bearing which are arranged in the supporting end cover, the thrust ball bearing and the deep groove ball bearing support the output screw rod assembly axially and radially, and the output nut is in threaded connection with the screw rod. Compared with the prior art, the linear driving device can only output in a single shaft, and cannot be used when two output demands exist.

In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.

Disclosure of utility model

In view of the above-mentioned drawbacks, an object of the present utility model is to provide a transmission device for a linear driving mechanism, which can solve the problem that two sets of linear driving mechanisms are required to be equipped when two linear driving requirements are required, and is suitable for various driving requirements, thereby improving practicality and compactness of the device, and reducing equipment cost.

The utility model provides a transmission device for a linear driving mechanism, which comprises a driving piece, a standby group and a driving mechanism, wherein the output end of the driving piece is provided with a power wheel, the standby group is matched with the power wheel and comprises a shell arranged above the driving piece, a support plate fixedly connected with the shell, an idler wheel rotationally connected with 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 rotationally connected with a vertical rod, the vertical rod is slidingly connected with the support plate, a sliding block is slidingly connected with the support plate, a counter gear is rotationally connected with the sliding block, the counter gear is meshed with the power wheel, and the vertical rod can drive the sliding block to move along the radial direction of the counter gear when moving along the axial direction of the spur gear.

According to the transmission device for the linear driving mechanism, the bottom of the vertical rod is provided with the vertical rod, and a connecting rod is hinged between the vertical rod and the sliding block.

According to the transmission device for the linear driving mechanism, the supporting plate is provided with the groove, the sliding block is arranged in the groove, the sliding block is provided with the round rod, the round rod is connected with the supporting plate in a sliding mode, and the round rod is sleeved with the elastic piece.

According to the transmission device for the linear driving mechanism, the top of the shell is fixedly connected with two limiting blocks, and the upright rod is arranged between the two limiting blocks

According to the transmission device for the linear driving mechanism, the end, away from the idler wheel, of the power wheel is meshed with the intermediate gear, the intermediate gear is meshed with the tail end gear, and the tail end gear is provided with the screw rod.

According to the transmission device for the linear driving mechanism, the spur gear and the counter gear are respectively provided with the clamping shaft.

The utility model provides a transmission device for a linear driving mechanism, which comprises a driving piece, a standby group matched with the driving piece, wherein the standby group comprises a shell arranged above the driving piece, a support plate fixedly connected with the shell, an idler wheel rotationally connected with 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 rotationally connected with a vertical rod, the vertical rod is slidingly connected with the support plate, a sliding block is slidingly connected with the support plate, a counter gear is rotationally connected with the sliding block, the counter gear is meshed with the power wheel, the sliding block can be driven to move along the radial direction of the counter gear when the vertical rod moves along the axial direction of the spur gear, and the device has the advantages of being capable of driving a screw rod to rotate through the driving piece, the power wheel, the intermediate gear and the end gear, realizing a linear driving function, being capable of connecting a standby rod with a clamping shaft, ensuring the driving direction of the standby rod to be identical with or opposite to the screw rod, solving the problem that two groups of linear driving mechanisms are required when two linear driving requirements are required, being applicable to various driving requirements, improving the practicability and reducing the structure cost.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the front view of FIG. 1 in accordance with the present utility model;

FIG. 3 is a schematic view of a portion of the structure of the present utility model;

FIG. 4 is a schematic cross-sectional view of the structure of FIG. 3 of the present utility model;

FIG. 5 is a schematic view of the structure of the screw of the present utility model;

In the figure, a 1-driving piece, a 101-supporting plate, a 102-limiting block, a 2-shell, a 3-power wheel, a 301-idler wheel, a 4-counter gear, a 401-sliding block, a 402-round rod, a 403-elastic piece, a 5-spur gear, a 501-vertical rod, a 502-vertical rod, a 503-connecting rod, a 6-clamping shaft, a 7-intermediate gear, an 8-end gear and a 9-screw rod.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the accompanying drawings and examples, it being understood that the specific examples described herein are for illustration only and are not intended to limit the present utility model.

Referring to fig. 1 to 5, the transmission device for the linear driving mechanism comprises a driving piece 1, a standby group matched with the driving piece 3, wherein the standby group comprises a shell 2 arranged above the driving piece 1, a supporting plate 101 fixedly connected with the shell 2, an idler gear 301 rotationally connected with the supporting plate 101 and a spur gear 5 meshed with the idler gear 301, the idler gear 301 is meshed with the driving piece 3, the spur gear 5 is rotationally connected with a vertical rod 501, the vertical rod 501 is slidingly connected with the supporting plate 101, a sliding block 401 is slidingly connected with the supporting plate 101, a counter gear 4 is rotationally connected with the sliding block 401, the counter gear 4 is meshed with the driving piece 3, the vertical rod 501 can drive the sliding block 401 to move along the radial direction of the counter gear 4 when moving along the axial direction of the spur gear 5, the standby group has the advantages that a screw rod 9 can be driven to rotate through the driving piece 1, the driving piece 3, an intermediate gear 7 and the end gear 8, a linear driving function is realized, the standby group can be connected with a clamping rod 6 in the same direction as the driving rod, and the driving device is required to be compact in two or more than the driving devices, and the requirement of the linear driving mechanism is reduced in the requirement is met.

Referring to fig. 1 to 5, preferably, a vertical rod 502 is provided at the bottom of the vertical rod 501, a connecting rod 503 is hinged between the vertical rod 502 and the sliding block 401, the vertical rod 501 can drive the sliding block 401 to move through the connecting rod 503, and the vertical rod 501 is perpendicular to the moving direction of the sliding block 401.

Referring to fig. 1 to 5, in addition, a groove is provided on the support plate 101 of the present utility model, the sliding block 401 is provided in the groove, a round bar 402 is provided on the sliding block 401, the round bar 402 is slidably connected to the support plate 101, and an elastic member 403 is sleeved on the round bar 402, so as to ensure that the counter gear 4 is not displaced when engaged with the power wheel 3.

Referring to fig. 1 to 5, further, two limiting blocks 102 are fixedly connected to the top of the housing 2 of the present utility model, and the upright rod 501 is disposed between the two limiting blocks 102, so as to ensure that the reverse gear 4 can stably rotate when engaged with the power wheel 3 and the reverse gear 4 can stably rotate when engaged with the idle wheel 301, and no offset phenomenon occurs.

Referring to fig. 1 to 5, preferably, the power wheel 3 of the present utility model is meshed with an intermediate gear 7 at a position far away from the idle wheel 301, the intermediate gear 7 is meshed with a terminal gear 8, and a screw rod 9 is arranged on the terminal gear 8. The linear driving function is realized.

Referring to fig. 1 to 5, preferably, the spur gear 5 and the counter gear 4 of the present utility model are provided with a clamping shaft 6, so as to facilitate connection with a standby rod and ensure that a plurality of linear driving requirements are satisfied.

The working principle is that a driving piece 1 is started to drive a power wheel 3 to rotate, the power wheel 3 respectively drives an intermediate gear 7 and an idler gear 301 to rotate, the intermediate gear 7 drives a tail end gear 8 to rotate, and the tail end gear 8 drives a screw rod 9 to rotate, so that a linear driving function is realized;

When the driving direction is the same as the screw rod 9, the vertical rod 501 is pushed to drive the spur gear 5 to be close to the idler gear 301, when the spur gear 5 moves, the connecting rod 503 drives the counter gear 4 to be far away from the power wheel 3 through the sliding block 401, after the spur gear 5 is meshed with the idler gear 301, the rotation direction of the clamping shaft 6 on the spur gear 5 is the same as the screw rod 9, and the standby rod is connected with the clamping shaft 6 to realize the driving requirement.

In summary, the utility model provides a transmission device for a linear driving mechanism, which comprises a driving piece, a standby group matched with the driving piece, wherein the standby group comprises a shell arranged above the driving piece, an idler wheel fixedly connected with a shell supporting plate, a rotating connection with the supporting plate and a spur gear meshed with the idler wheel, the idler wheel is meshed with the power wheel, the spur gear is rotationally connected with a vertical rod, the vertical rod is slidingly connected with the supporting plate, a sliding block is slidingly connected with the supporting plate, a counter gear is rotationally connected with the sliding block, the counter gear is meshed with the power wheel, the sliding block can be driven to move along the radial direction of the counter gear when the vertical rod moves along the axial direction of the spur gear, and the transmission device has the advantages that the driving piece, the power wheel, the middle gear and the end gear can drive a screw rod to rotate, so as to realize a linear driving function, and the standby rod and a clamping shaft are connected, so that the driving direction of the standby rod is ensured to be identical with or opposite to the screw rod, and the problem that two groups of linear driving mechanisms are required when two linear driving requirements are required is solved.

Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims (6)

1. The transmission device for the linear driving mechanism is characterized by comprising a driving piece, a driving piece and a driving piece, wherein the output end of the driving piece is provided with a power wheel;

The standby group matched with the power wheel comprises a shell arranged above the driving piece, a support plate fixedly connected with the shell, an idler wheel connected with the support plate in a rotating mode and a spur gear meshed with the idler wheel, wherein the idler wheel is meshed with the power wheel, the spur gear is connected with a vertical rod in a rotating mode, the vertical rod is connected with the support plate in a sliding mode, a sliding block is connected with the support plate in a sliding mode, a counter gear is connected with the sliding block in a rotating mode, the counter gear is meshed with the power wheel, and the vertical rod can drive the sliding block to move along the radial direction of the counter gear when moving along the axial direction of the spur gear.

2. The transmission device for the linear driving mechanism according to claim 1, wherein 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 the linear driving mechanism according to claim 1, wherein the supporting 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 supporting plate, and the round rod is sleeved with an elastic piece.

4. The transmission device for the linear driving mechanism according to claim 1, wherein two limiting blocks are fixedly connected to the top of the housing, and the upright is arranged between the two limiting blocks.

5. The transmission device for a linear driving mechanism according to claim 1, wherein the power wheel is meshed with an intermediate gear at a position far away from the idler wheel, the intermediate gear is meshed with a terminal gear, and a screw is arranged on the terminal gear.

6. The transmission device for a linear driving mechanism according to claim 1, wherein the spur gear and the counter gear are each provided with a snap-in shaft.