CN220401532U

CN220401532U - Roller mechanism

Info

Publication number: CN220401532U
Application number: CN202321276955.0U
Authority: CN
Inventors: 罗邦毅
Original assignee: Hangzhou Youngsun Intelligent Equipment Co Ltd
Current assignee: Hangzhou Youngsun Intelligent Equipment Co Ltd
Priority date: 2023-05-08
Filing date: 2023-05-19
Publication date: 2024-01-26
Anticipated expiration: 2033-05-19

Abstract

The utility model provides a roller mechanism with a built-in motor, which comprises a roller, wherein the roller is internally provided with the motor, the motor is connected with the roller through a connecting shaft assembly with a buffer structure and an expansion assembly, torque is transmitted to enable the roller to rotate, the expansion assembly is pressed and installed at the front end of the connecting shaft assembly with the buffer structure through a threaded connecting piece positioned at the front end, an expansion ring is arranged in the expansion assembly, and the expansion ring is in expansion connection with the roller through inclined plane extrusion. The utility model can connect the power transmission torque through the connecting shaft component with the buffer structure and the expansion component, so that the roller rotates. The effects of shock absorption and buffering are achieved, noise is reduced, and the matching is tight. And the installation and connection are also convenient, the transmission stability is ensured, and the quality is easy to control.

Description

Roller mechanism

Technical Field

The utility model relates to a roller mechanism, in particular to an electric roller mechanism with a built-in motor.

Background

The electric roller comprises a roller, a motor is arranged in the roller, and the driven roller is driven to rotate together through a transmission mechanism when the roller rotates, so that the conveying of articles borne on the roller is realized.

At present, an electric roller, a motor and a transmission block are fixedly connected, the motor and the transmission block are both positioned in the roller, and the transmission block is in interference connection with the roller. In operation, the interior noise of the electric roller is large; and the connection and installation of the transmission block and the roller are also troublesome, and the connection strength of interference fit is very dependent on the dimensional accuracy, so that the electric roller is ensured to be stable in transmission, simple in installation and free of noise.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a roller mechanism with a built-in motor, which can reduce working noise, is convenient to assemble and easy to control quality. For this purpose, the utility model adopts the following technical scheme;

the utility model provides a cylinder mechanism, includes the cylinder, the built-in motor of cylinder, its characterized in that the motor is through taking buffer structure's even axle subassembly and expansion assembly to connect the cylinder, transmission moment of torsion makes the cylinder rotate, expansion assembly compresses tightly the front end of installing at buffer structure's even axle subassembly through the threaded connection spare that is located the front end, set up the expansion ring in the expansion assembly, the expansion ring is connected with the cylinder expansion through the inclined plane extrusion.

On the basis of adopting the technical scheme, the utility model can also adopt the following further technical schemes or use the further technical schemes in combination:

the output part of the connecting shaft assembly with the buffer structure is used as an abutting part of the expansion assembly, the front end of the output part is provided with a central connecting column, the expansion assembly is sleeved on the central connecting column, and the front end of the central connecting column is provided with a threaded connection structure for connecting the threaded connection part.

The expansion assembly comprises an expansion ring and an expansion pressing block, the expansion pressing block is provided with a central hole matched with the central connecting column and sleeved on the central connecting column and is radially positioned, the expansion pressing block and the output part are provided with extrusion inclined planes, the opposite extrusion inclined planes radially support the expansion ring and extrude the expansion ring through the opposite extrusion inclined planes, so that the expansion pressing block is in expansion connection with the roller.

The central connecting column is provided with a circumferential positioning surface, the expansion pressing block is circumferentially positioned by the circumferential positioning surface and locked by the end surface of the threaded connecting piece, the connection is stable, and the uniformity of radial expansion caused by compression of the expansion ring is improved.

The rear end of the output part in the connecting shaft assembly with the buffer structure is connected with the input part of the connecting shaft assembly with the buffer structure through key groove matching, a buffer pad is arranged between the key groove matching, and the front end of the output part is provided with an extrusion inclined plane and a central connecting column.

The output part and the expansion pressing block are both provided with radial guide structures, and the expansion ring is provided with guide matching structures matched with the radial guide structures.

The radial guide structure adopts a plurality of radial guide grooves distributed along the circumferential direction, and the guide matching structure adopts an inner convex rib positioned at the inner side of the ring of the expansion ring.

When a swelling ring is adopted, the swelling pressing block is matched with the abutting part of the output part, and the swelling ring is extruded.

The expansion assembly can be provided with only one pair of expansion rings and expansion pressing blocks; the tensioning rings can be arranged as required, when the tensioning rings are arranged, the middle tensioning press blocks are arranged between the tensioning rings, the extrusion inclined planes are arranged on the two sides of the middle tensioning press blocks, and the radial guide structure is arranged.

The expansion ring is radially and convexly positioned between the extrusion inclined planes which face each other and have variable intervals; the extrusion inclined plane is provided with a circle, and the expansion ring is matched with the extrusion inclined plane in a surface-to-surface manner by arranging a circle of inclined plane at the inner side of the ring.

By adopting the technical scheme of the utility model, the connecting shaft assembly with the buffer structure and the expansion assembly can be connected with power transmission torque to rotate the roller. The effects of shock absorption and buffering are achieved, noise is reduced, and the matching is tight. And the installation and connection are also convenient, the transmission stability is ensured, and the quality is easy to control.

Drawings

Fig. 1 is a structural sectional view of embodiment 1 of the present utility model.

FIG. 2 is a schematic illustration of an output member in a coupling assembly with a buffer structure.

Fig. 3 is a schematic view of a stent ring.

Fig. 4 is an exploded view of the structure of embodiment 1 of the present utility model.

Fig. 5 is a structural sectional view of embodiment 2 of the present utility model.

Fig. 6 is a structural sectional view of embodiment 3 of the present utility model.

Fig. 7 is a structural sectional view of embodiment 4 of the present utility model.

Fig. 8 is an exploded view of the structure of embodiment 3 of the present utility model.

Description of the embodiments

Reference is made to the accompanying drawings. The utility model provides a roller mechanism, which comprises a roller 1, wherein a motor 2 is arranged in the roller, the motor 2 is connected with the roller 1 through a connecting shaft assembly with a buffer structure and an expansion assembly, torque is transmitted to enable the roller 1 to rotate, the expansion assembly is pressed and installed at the front end of the connecting shaft assembly with the buffer structure through a threaded connecting piece positioned at the front end, an expansion ring 5 is arranged in the expansion assembly, and the expansion ring 5 is in expansion connection with the roller 1 through inclined plane extrusion. The expansion connection cooperation of the expansion ring 5 and the roller 1 is realized by utilizing the inclined plane in an axial extrusion mode, the expansion connection can be realized by directly operating at the joint, the installation is more convenient and easier, and the threaded connection piece can also realize constant torque input so as to easily ensure the consistency of connection quality.

In practice, the motor 2 may be mounted and fixed on the frame by a support extending into the rear end of the drum as a connection structure, the support includes a motor connection end 101 located at the inner side, a connection shaft section 104 located at the outer side of the motor connection end 101, and a central hole 105 penetrating through the support, the rear end of the drum 1 is connected with the connection shaft section 104 of the support by a bearing sleeve 102 and a bearing 103, wherein the motor may be mounted on the motor connection end 101 by screws, and the central hole 105 is used for the wiring 111. The front end of the drum 1 is provided with a transmission structure 11, such as a chain transmission wheel, a belt transmission wheel and the like.

The output part 31 of the coupling assembly with the buffer structure is used as an abutting part of the expansion assembly, the rear end of the output part 31 is connected with the input part 33 of the coupling assembly with the buffer structure through key grooves in a matched mode, the buffer pad 32 is arranged between the key grooves in a matched mode, and the input part 33 is connected with the motor shaft 21 through a hexagonal connecting column and a screw. In this embodiment, the output part 31 and the input part 33 are connected in a matching manner through three key ways, correspondingly, the connecting sleeve 321 in the buffer pad 32 is provided with 3 pairs of gaskets radially, two gaskets of each pair are arranged between the positive and negative rotation connecting surfaces matched with one key way, and the rear end of the output part 31 is provided with the mounting post 311 for being matched with the connecting sleeve 321 to mount the buffer pad 32. The connecting shaft assembly with the buffer structure has the effects of shock absorption and buffering, noise reduction and tight matching. Further, the output member 31 can be modified to accommodate use with a tensioning arrangement.

The front end of the output member 31 is provided with a central connecting column 312, the axis of the central connecting column 312 and the rotation center of the output member 31 are on the same straight line, the expansion assembly is sleeved on the central connecting column 312, and the front end of the central connecting column 312 is provided with a threaded connection structure for connecting the threaded connection member, in this embodiment, the threaded connection member adopts a screw 4 provided with a gasket.

The expansion assembly comprises an expansion ring 5 and an expansion pressing block 6, the expansion pressing block 6 is provided with a central hole 61 matched with a central connecting column 312 and sleeved on the central connecting column 312 and is radially positioned, the expansion pressing block 6 and an output part 31 are respectively provided with extrusion inclined planes 62 and 313, and the opposite extrusion inclined planes radially support the expansion ring 5 and extrude the expansion ring 5 through the opposite extrusion inclined planes so as to realize expansion connection with the roller 1.

The central connecting column 312 has a circumferential positioning surface, for example, the central connecting column adopts a hexagonal column, so that the central hole 61 of the expansion and compression block 6 also adopts a hexagonal hole, the expansion and compression block 6 is circumferentially positioned and then locked by the end surface of the threaded connecting piece, the connection is stable, and the uniformity of radial expansion caused by compression of the expansion and compression ring 5 is improved. The center connection post 312 may also be a spline structure, a polygonal post structure, or the like.

The expansion ring 5 can be made of rubber, silica gel or the like.

As can be seen from the above, the expansion ring 5 is radially convexly located between the facing and variable-spacing extrusion ramps; the extrusion inclined surfaces 62, 313 are provided with one circle, and the expansion ring 5 is in surface-to-surface fit with the extrusion inclined surfaces 62, 313 by the provision of one circle of inclined surfaces 51 positioned on the inner side of the ring.

The output part 31 and the expansion pressing block 6 are both provided with radial guiding structures, and the expansion ring 5 is provided with guiding matching structures matched with the radial guiding structures. Therefore, the expansion ring 5 and the connecting part thereof can be locked in the circumferential direction, the torque transmission efficiency is further improved, and meanwhile, the expansion uniformity of the expansion ring can also be improved. In this embodiment, the radial guiding structure adopts a plurality of radial guiding grooves 7 distributed along the circumferential direction, and the guiding matching structure adopts an inner convex rib 52 positioned on the inner side of the ring of the expansion ring 5. The guide grooves 7 may open radially inwards from the outer side surface of the part.

When a single expansion ring 5 is used, as shown in fig. 1-4, the abutting parts of the expansion and compression block 6 and the output part 31 form a fit, and the expansion ring 5 is pressed;

as shown in fig. 5, in the utility model, the expansion rings can be overlapped according to the requirements, the structure is simple, the expansion rings can be overlapped in a simple mode according to the length, the load and other factors of the roller, and therefore, the parameters such as the load, the transmission torque and the like are improved, and the application occasions are wide. When setting up a plurality of expansion rings, set up the expansion briquetting 8 that is located in the middle between expansion ring 5, expansion briquetting 8 set up the centre bore that matches with center spliced pole 312 equally, the two sides that are located the expansion briquetting 8 in the middle all set up with the expansion briquetting 6 that is located the front end similar extrusion inclined plane 81, 82, radial guide structure.

As shown in fig. 6 and 8, this embodiment is further improved in motor connection mounting, so that not only can the motor 2 be reliably fixed, but also the noise during operation can be further reduced. In this embodiment, the structure of the connecting shaft section 104 and the central hole 105 of the supporting seat extending into the rear end of the roller in the embodiment shown in fig. 1 is unchanged, and the rear end of the roller 1 is still connected with the connecting shaft section 104 of the supporting seat through the bearing sleeve 102 and the bearing 103, but the installation and connection mode of the motor connecting end and the motor is changed: the front end of the connecting shaft assembly with the buffer structure is tightly pressed and installed by the front end expansion assembly through the threaded connecting piece, the expansion ring is in expansion connection with the roller, the front end of the motor 2 is in fact characterized by forming a limiting structure, or the motor front end limiting structure is independently arranged in the roller, the motor connecting end of the embodiment is provided with a structure with a motor rear end axial limit 106 and a circumferential positioning key 107, the rear end of the motor shell is provided with a connecting piece 108 with a connecting key, the motor 2 is circumferentially positioned by adopting a key slot matched plug-in connection, the front end formed by the connection and matching of the expansion ring and the roller is limited by the rear end axial limit 106, the motor 2 is axially positioned, and vibration isolation and buffer are also carried out by adopting a buffer pad 109 between the key slot matching, the buffer pad 109 can be arranged on a sleeve 110 and is radially arranged (the structure can be similar to the buffer pad 32), and the sleeve 110 is sleeved by arranging a central tube 112 at the rear end of the motor shell or the motor connecting end of the supporting seat.

In fig. 6 and 8, the same reference numerals as in fig. 1 denote the same meanings.

The embodiment shown in fig. 7 is based on fig. 6 and 8, and as in the embodiment shown in fig. 5, a superimposed expansion ring is added. In fig. 7, the same reference numerals as in fig. 6 and 8 denote the same meanings.

Unless specifically stated otherwise, in the present utility model, if the terms "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, they are merely for convenience in description and simplification of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, so that the terms describing the orientation or positional relationships in the present utility model are used for illustration only and are not to be construed as limitations of the present patent, and it is possible for those skilled in the art to understand the specific meanings of the terms described above in conjunction with the drawings according to circumstances.

Unless specifically stated or limited otherwise, the terms "disposed," "sandwiched," and "connected" herein are to be construed broadly, e.g., they may be fixed, they may be removably, or they may be integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The above embodiments are merely examples of the present utility model, but the present utility model is not limited thereto, and any changes or modifications made by those skilled in the art are included in the scope of the present utility model.

Claims

1. The utility model provides a cylinder mechanism, includes the cylinder, the built-in motor of cylinder, its characterized in that the motor is through taking buffer structure's even axle subassembly and expansion assembly to connect the cylinder, transmission moment of torsion makes the cylinder rotate, expansion assembly compresses tightly the front end of installing at buffer structure's even axle subassembly through the threaded connection spare that is located the front end, set up the expansion ring in the expansion assembly, the expansion ring is connected with the cylinder expansion through the inclined plane extrusion.

2. The drum mechanism as claimed in claim 1, wherein the output member of the coupling assembly with the buffer structure is used as an abutment member of the expansion assembly, a central connection post is disposed at a front end of the output member, the expansion assembly is sleeved on the central connection post, and a threaded connection structure is disposed at a front end of the central connection post for connecting the threaded connection member.

3. A drum mechanism as claimed in claim 2, wherein the expansion assembly comprises an expansion ring and an expansion block, the expansion block being provided with a central aperture matching the central connection post and being sleeved on the central connection post and being positioned radially, the expansion block and the output member being provided with compression ramps, the facing compression ramps radially supporting the expansion ring and compressing the expansion ring through the facing compression ramps to be in expansion connection with the drum.

4. A roller mechanism according to claim 3, wherein the central connecting column is provided with a circumferential positioning surface, the expansion pressing block is circumferentially positioned by the circumferential positioning surface and is locked by the end surface of the threaded connecting piece, the connection is stable, and the uniformity of radial expansion of the expansion ring due to compression is improved.

5. A roller mechanism according to claim 1, wherein the rear end of the output member of the buffered shaft assembly is coupled to the input member of the buffered shaft assembly by a keyway fit, a cushion is disposed between the keyway fits, and the front end of the output member is provided with an extrusion ramp and a center post.

6. A roller mechanism according to claim 3, wherein the output member and the expansion and compression block are provided with radial guide formations, and the expansion ring is provided with guide engagement formations which engage the radial guide formations.

7. A roller mechanism according to claim 6, wherein the radial guide structure comprises a plurality of circumferentially distributed radial guide grooves and the guide engagement structure comprises an inner rib located inside the ring of the expander ring.

8. A roller mechanism according to claim 6, wherein when a expander ring is used, the expander press is engaged with the abutment of the output member to compress the expander ring.

9. A drum mechanism according to claim 2, wherein said expansion assembly is capable of providing only a pair of expansion rings and expansion blocks; the tensioning rings can be arranged as required, when the tensioning rings are arranged, the middle tensioning press blocks are arranged between the tensioning rings, the extrusion inclined planes are arranged on the two sides of the middle tensioning press blocks, and the radial guide structure is arranged.

10. A roller mechanism according to claim 3, wherein said expander ring is radially convexly located between confronting and variable-spacing extrusion ramps; the extrusion inclined plane is provided with a circle, and the expansion ring is matched with the extrusion inclined plane in a surface-to-surface manner by arranging a circle of inclined plane at the inner side of the ring.