High-load small electric roller

Abstract

The utility model discloses a high-load small electric roller, and relates to the technical field of electric rollers. The electric roller comprises a rotating rear shaft, an electric roller rotating shaft, an electric roller outer barrel and an electric roller inner barrel, an electric roller rotating assembly is fixedly installed outside the electric roller rotating shaft, the rotating rear shaft is fixedly connected with the electric roller inner barrel, the electric roller outer barrel rotates outside the electric roller inner barrel, the electric roller rotating shaft is rotationally connected with the electric roller inner barrel, and the electric roller rotating shaft is fixedly connected with the electric roller outer barrel. An electric roller rotating assembly is arranged, a second gear drives a first gear to rotate, the first gear drives an outer roller of an electric roller to rotate, a differential gear can be utilized, the load capacity of the electric roller is improved, gaps between roller bodies are reduced, and glue containing grooves are formed in the outer portions of an outer bearing and an inner bearing, so that the glue containing effect is improved. The electric roller outer cylinder and the electric roller rotating shaft as well as the outer bearing and the inner bearing can be fixed more tightly by using glue, and a place for placing the glue can be reserved through the glue placing groove.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric roller technology field, concretely is high load small -size electric roller. BACKGROUND

[0002] Electric roller is an important equipment widely used in material transmission, conveying, handling and other fields. It is usually used in conveyor belt, belt conveyor and other systems, and is the key component of driving conveyor belt or other types of conveying device. Electric roller combines the functions of motor and transmission system, has high efficiency and less maintenance requirement.

[0003] Electric roller is generally applied to express sorting and other fields, and the traditional one is large, and has strong load capacity, but some medicine product conveying lines, the product itself is small, and the roller body with too large diameter is not suitable for small product transportation. The large roller body can cause small products unstable in the conveying process, easy to slide or deviate from the conveying path, and due to the large gap between the roller bodies, small products can be stuck or cannot be smoothly transmitted on the roller body, affecting the efficiency and stability of the conveying line, and the internal motor and rotating shaft of the electric roller can be loose after long time use. To solve the above problems, the inventor proposes high load small electric roller to solve the above problems. UTILITY MODEL CONTENTS

[0004] In order to solve the problem that the traditional one is large, and has strong load capacity, but some medicine product conveying lines, the product itself is small, and the roller body with too large diameter is not suitable for small product transportation. The large roller body can cause small products unstable in the conveying process, easy to slide or deviate from the conveying path, and due to the large gap between the roller bodies, small products can be stuck or cannot be smoothly transmitted on the roller body, affecting the efficiency and stability of the conveying line, and the internal motor and rotating shaft of the electric roller can be loose after long time use. The purpose of the utility model is to provide high load small electric roller, which is driven by the second gear to rotate the first gear, and the first gear drives the outer cylinder of the electric roller to rotate. The differential gear can improve the load capacity and reduce the gap between the roller bodies. The glue placing groove is formed outside the outer bearing and the inner bearing, and the glue can make the outer cylinder of the electric roller and the rotating shaft of the electric roller and the outer bearing and the inner bearing more tightly fixed. The glue placing groove can provide a place for the glue.

[0005] To solve the above technical problems, the utility model discloses the following technical scheme: High load small -size electric roller, including rotary rear axle, electric roller pivot, electric roller outer tube and electric roller inner tube, electric roller pivot external fixed mounting has electric roller rotation subassembly, rotary rear axle with Electric roller inner tube is fixedly connected, electric roller outer tube rotates in the outside of electric roller inner tube, electric roller pivot with Electric roller inner tube rotation is connected, electric roller rotation subassembly includes outer bearing, a gear, second gear and ring gear.

[0006] Preferably, the electric roller pivot external rotation is connected with a number of shafts, the number of gears are fixedly installed in the outside of the number of shafts, the ring gear is fixedly installed in the inside of the electric roller outer tube, and the ring gear is engaged with the number of gears.

[0007] Preferably, the rotary rear axle external fixed mounting has a metal contact head, the motor shaft rotates in the outside of the rotary rear axle, the metal contact head is attached with the motor shaft, the rotary rear axle external fixed mounting has a connecting line, the connecting line external fixed mounting has an electric wire, and the electric wire is fixedly connected with the metal contact head.

[0008] Preferably, the second gear is fixedly installed in the outside of the motor shaft, the motor shaft is rotationally connected with the electric roller pivot, and the second gear is engaged with the first gear.

[0009] Preferably, the electric roller inner tube external fixed mounting has a motor stator, the motor shaft external fixed mounting has a motor rotor, and the motor stator is attached with the motor rotor.

[0010] Preferably, the electric roller pivot external fixed mounting has an inner bearing, the electric roller outer tube external fixed mounting has an outer bearing, and the outer bearing and the inner bearing are externally provided with a glue placing groove.

[0011] Preferably, the outer bearing and the inner bearing are externally provided with a rolling groove, and the rolling groove is movably connected with a bearing ball.

[0012] Preferably, the number of the first gears is two groups and is symmetrically distributed.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. In this utility model, by setting up an electric roller rotating assembly, the No. 1 gear is driven by the No. 2 gear to rotate, and the No. 1 gear drives the outer cylinder of the electric roller to rotate. The differential gear can be used to improve its load capacity and reduce the gap between the rollers. Through the design of the differential gear, the system can withstand a greater load, especially under uneven load conditions, it can effectively balance the force of each part, avoid local overload, improve the overall load capacity, and reduce the gap can effectively improve the transmission accuracy, avoid uneven power transmission, increased vibration or noise caused by excessive gap, thereby improving the overall stability and operating efficiency of the system.

[0015] 2. In this utility model, by opening glue placement grooves on the outside of the outer bearing and the inner bearing, glue can be used to fix the outer cylinder of the electric roller and the shaft of the electric roller, and the outer bearing and the inner bearing more tightly. The glue placement grooves provide a place for glue, which can effectively increase the fixation between the outer cylinder of the electric roller and the shaft, making the connection between them tighter and reducing loosening or misalignment caused by vibration or external impact. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0018] Figure 2 This is a cross-sectional view of the outer cylinder structure of the electric roller of this utility model.

[0019] Figure 3 This is a cross-sectional view of the inner cylinder structure of the electric roller of this utility model.

[0020] Figure 4 This is a schematic diagram of the external bearing structure of this utility model.

[0021] Figure 5 This utility model Figure 3 Enlarged schematic diagram of the structure at point A in the middle.

[0022] In the diagram: 1. Electric roller shaft; 101. Outer bearing; 102. Inner bearing; 103. Glue placement groove; 104. Bearing ball; 105. Rolling groove; 106. Rear rotating shaft; 107. Motor shaft; 2. Electric roller outer cylinder; 201. Circular internal gear; 202. Shaft No. 1; 203. Gear No. 1; 204. Gear No. 2; 205. Motor rotor; 3. Electric roller inner cylinder; 301. Motor stator; 302. Wire; 303. Metal contact head; 304. Connecting wire. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example: Figures 1-5 As shown, this utility model provides a high-load small electric roller, including a rotating rear shaft 106, an electric roller shaft 1, an electric roller outer cylinder 2, and an electric roller inner cylinder 3. An electric roller rotating assembly is fixedly installed on the outside of the electric roller shaft 1. The rotating rear shaft 106 is fixedly connected to the electric roller inner cylinder 3. The electric roller outer cylinder 2 rotates outside the electric roller inner cylinder 3. The electric roller shaft 1 is rotatably connected to the electric roller inner cylinder 3. The electric roller rotating assembly includes an outer bearing 101, a first gear 203, a second gear 204, and an inner ring gear 201.

[0025] A first shaft 202 is rotatably connected to the outside of the electric roller shaft 1. A first gear 203 is fixedly installed on the outside of the first shaft 202. An inner ring gear 201 is fixedly installed inside the outer cylinder 2 of the electric roller. The inner ring gear 201 meshes with the first gear 203.

[0026] By adopting the above technical solution, the inner ring gear 201 meshes with the first gear 203, and the first rotating shaft 202 can rotate to drive the outer cylinder 2 of the electric roller to rotate.

[0027] A metal contact head 303 is fixedly installed on the outside of the rotating rear shaft 106. The motor shaft 107 rotates outside the rotating rear shaft 106. The metal contact head 303 is in contact with the motor shaft 107. A connecting wire 304 is fixedly installed on the outside of the rotating rear shaft 106. An electric wire 302 is fixedly installed on the outside of the connecting wire 304. The electric wire 302 is fixedly connected to the metal contact head 303.

[0028] By adopting the above technical solution, the metal contact head 303 is in contact with the motor shaft 107, so that when the alternating current passes through the stator coil, a rotating magnetic field will be generated in the stator.

[0029] The second gear 204 is fixedly installed outside the motor shaft 107, the motor shaft 107 is rotationally connected with the electric roller shaft 1, and the second gear 204 is engaged with the first gear 203.

[0030] By adopting the above technical scheme, the first shaft 202 can be rotated by the rotation of the outer bearing 101 through the engagement of the second gear 204 and the first gear 203.

[0031] The motor stator 301 is fixedly installed outside the electric roller inner cylinder 3, and the motor rotor 205 is fixedly installed outside the motor shaft 107, and the motor stator 301 is attached to the motor rotor 205.

[0032] By adopting the above technical scheme, a rotating magnetic field can be generated in the stator by attaching the motor stator 301 to the motor rotor 205, and the rotating magnetic field will interact with the rotor, thereby causing the rotor to start rotating.

[0033] The inner bearing 102 is fixedly installed outside the electric roller shaft 1, the outer bearing 101 is fixedly installed outside the electric roller outer cylinder 2, and the outer bearing 101 and the inner bearing 102 are both externally provided with a glue placing groove 103.

[0034] By adopting the above technical scheme, the glue placing groove 103 can be provided for the glue, which can effectively increase the fixation between the electric roller outer cylinder and the shaft, and make the connection between them more closely.

[0035] The outer bearing 101 and the inner bearing 102 are both externally provided with a rolling groove 105, and the bearing ball 104 is movably connected outside the rolling groove 105.

[0036] By adopting the above technical scheme, the friction of the bearing can be reduced by the movement of the bearing ball 104 outside the rolling groove 105.

[0037] The number of the first gear 203 is two groups and is symmetrically distributed.

[0038] By adopting the above technical scheme, the stability of the small electric roller can be improved, and the vibration of the electric roller during rotation can be reduced by the number of the first gear 203 being two groups and being symmetrically distributed.

[0039] Working principle: when the high load small electric roller is needed, the current is transmitted to the metal contact head 303 by the wire 302, and the motor rotor 205 is matched with the motor stator 301, the outer bearing 101 is rotated, the No. 2 gear 204 is driven to rotate through the rotation of the outer bearing 101, the No. 1 gear 203 is driven to rotate through the No. 2 gear 204, and the outer cylinder 2 of the electric roller is driven to rotate by the No. 1 gear 203, the differential gear can be used to improve the load capacity and reduce the gap between the roller bodies, through the design of the differential gear, the system can bear greater load, especially in the case of uneven load, the stress of each part can be effectively balanced, local overload can be avoided, the overall load capacity can be improved, the gap can be reduced, the transmission precision can be effectively improved, the uneven power transmission, vibration or noise increase caused by too large gap can be avoided, so that the overall stability and operation efficiency of the system are improved;

[0040] By setting the glue placing groove 103 outside the outer bearing 101 and the inner bearing 102, the glue can be used to make the electric roller outer cylinder 2 and the electric roller shaft 1 and the outer bearing 101 and the inner bearing 102 fixed more tightly, the glue placing groove 103 can provide a place for the glue, which can effectively increase the fixation between the electric roller outer cylinder and the shaft, make the connection between them more tightly, and reduce the looseness or misplacement caused by vibration or external impact force.

[0041] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Therefore, if these modifications and variations of the utility model belong to the scope of the utility model claims and equivalent technologies, the utility model also intends to include these modifications and variations.

Claims

1. A high load compact electric roller comprising a rotating rear axle (106), an electric roller shaft (1), an electric roller outer cylinder (2) and an electric roller inner cylinder (3), characterized in that: The electric roller rotating shaft (1) is externally fixedly installed with an electric roller rotating assembly, the rotating rear shaft (106) is fixedly connected with the electric roller inner cylinder (3), the electric roller outer cylinder (2) rotates outside the electric roller inner cylinder (3), the electric roller rotating shaft (1) is rotatably connected with the electric roller inner cylinder (3), and the electric roller rotating assembly comprises a motor rotating shaft (107), a first gear (203), a second gear (204) and a circular ring inner gear (201).

2. The high load small electric roller according to claim 1, wherein The electric roller rotating shaft (1) is externally rotatably connected with a first rotating shaft (202), the first gear (203) is fixedly installed outside the first rotating shaft (202), the circular ring inner gear (201) is fixedly installed inside the electric roller outer cylinder (2), and the circular ring inner gear (201) is engaged with the first gear (203).

3. The high load small electric roller according to claim 2, wherein The rotating rear shaft (106) is externally fixedly installed with a metal contact head (303), the motor rotating shaft (107) rotates outside the rotating rear shaft (106), the metal contact head (303) is attached to the motor rotating shaft (107), the rotating rear shaft (106) is externally fixedly installed with a connecting line (304), the connecting line (304) is externally fixedly installed with an electric wire (302), and the electric wire (302) is fixedly connected with the metal contact head (303).

4. The high load small electric roller according to claim 1, wherein The second gear (204) is fixedly installed outside the motor rotating shaft (107), the motor rotating shaft (107) is rotatably connected with the electric roller rotating shaft (1), and the second gear (204) is engaged with the first gear (203).

5. The high load small electric roller according to claim 1, wherein The electric roller inner cylinder (3) is externally fixedly installed with a motor stator (301), the motor rotating shaft (107) is externally fixedly installed with a motor rotor (205), and the motor stator (301) is attached to the motor rotor (205).

6. The high load small electric roller according to claim 1, wherein The electric roller rotating shaft (1) is externally fixedly installed with an inner bearing (102), the electric roller outer cylinder (2) is externally fixedly installed with an outer bearing (101), and the outer bearing (101) and the inner bearing (102) are externally provided with glue placing grooves (103).

7. The high load small electric roller according to claim 6, wherein The outer bearing (101) and the inner bearing (102) are externally provided with rolling grooves (105), and the rolling grooves (105) are movably connected with bearing balls (104) outside.

8. The high load small electric roller according to claim 1, wherein The number of the first gears (203) is two groups and is symmetrically distributed.

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