Inner barrel mechanism of clothes dryer

By installing track bars and tensioning components on the outside of the dryer's inner drum, the belt tension can be adjusted, solving the problems of belt aging and misalignment, improving the transmission stability of the inner drum and the service life of the belt, and achieving more efficient inner drum drive.

CN223674974UActive Publication Date: 2025-12-16NINGBO KINGSUN GRP
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Patent Information

Application Number
CN202423290502.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-16
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

The belt drive system in existing dryer drums suffers from aging, misalignment, slippage, and detachment, resulting in unstable transmission efficiency. In particular, the belt drive system has high maintenance costs and low transmission efficiency.

Method used

The design incorporates a track bar and tensioning assembly. The track bar is fixed to the outside of the inner cylinder with screws, and the belt moves within the track groove. The tensioning assembly and springs adjust the belt tension to ensure that the belt runs within an appropriate tension range. Rubber sleeves and positioning wheels enhance the rotational stability of the inner cylinder.

Benefits of technology

This improves the service life of the belt and the rotational stability of the inner cylinder, reduces belt wear, ensures the stability and reliability of the transmission, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an inner cylinder mechanism of a clothes dryer, which is characterized in that a track strip is wound outside an inner cylinder, a track groove is arranged in the track strip, two ends of the track strip are connected through screws, a motor and a tensioning component are arranged on one side of the inner cylinder, a belt is arranged in the track groove, and the motor is connected with the tensioning component through screws. And the belt is wound on the outer sides of a belt pulley fixedly connected to the output shaft of the motor and a tensioning wheel on the tensioning assembly. The belt moves along the track groove, so that the belt is prevented from deviating, the stability of the inner cylinder during rotation is improved, the belt is stressed uniformly, the abrasion rate of the belt is reduced, the service life of the belt is prolonged, the belts with different aging degrees can be within a certain tension range by arranging the tensioning assembly, and the service life of the belt is prolonged. And meanwhile, by arranging a spring, the tensioning wheel can automatically adjust and keep proper tension of the belt, vibration caused in the rotating process of the inner barrel is effectively buffered, and the inner barrel is more stable during rotating.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a drying -machine inner tube technical field, specifically related to a drying -machine inner tube mechanism. BACKGROUND

[0002] The drying -machine is clean class household electrical appliance that utilizes electric heating to make the water in the washed clothes instant evaporation and dry, and the drying -machine will first dry the moisture, then blows with cold wind, and finally blows dry with hot air, which also simulates the drying procedure of nature, can make the clothes more soft when wearing, and the fabric is not easy to cause damage.

[0003] The driving mode of the drying -machine inner tube is divided into motor direct connection and belt drive, and the driving mode of the motor direct connection is undoubtedly higher in transmission efficiency, can control the rotating speed and rotating direction of the inner tube more accurately compared with the belt drive, but the cost and maintenance cost are higher than the belt drive, and when the belt drive is adopted, the belt will age with the increase of use time, and then the deviation, slippage and even falling off and other situations occur, so that the inner tube is unstable when rotating, and the transmission efficiency is seriously affected. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a drying -machine inner tube mechanism to solve the above-mentioned shortcomings in the prior art.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a drying -machine inner tube mechanism, comprising: an inner tube, the inner tube is provided with a track strip outside, a track groove is formed in the track strip, the both ends of the track strip are connected through screws, a motor and a tensioning assembly are arranged on one side of the inner tube, a belt is arranged in the track groove, and the belt is fixedly connected outside the belt pulley on the output shaft of the motor and the tensioning pulley of the tensioning assembly.

[0006] Further, the tensioning assembly comprises a sliding block, a connecting rod is fixedly connected to the sliding block, the tensioning pulley is rotatably arranged on the connecting rod, a mounting ring is fixedly sleeved outside the motor, two guide rods are fixedly connected to the mounting ring, the sliding block is slidably arranged on the two guide rods, and a spring is arranged between the sliding block and the mounting ring.

[0007] Further, a screw is further arranged, the screw is threadedly connected to the mounting ring after penetrating through the sliding block, and the spring is sleeved outside the screw.

[0008] Further, two circles of equidistantly distributed positioning protrusions are fixedly connected to the outer side of the inner tube, and the track strip is located between the two circles of positioning protrusions.

[0009] Further, the outlet end of the inner cylinder is sleeved with a rubber sheath, and the outer side of the rubber sheath is tightly attached to two symmetrically arranged positioning wheels, and the positioning wheels are rotationally arranged on a mounting bracket.

[0010] Further, a fragrance retention box is fixedly installed on the inner side of the inner cylinder, and a volatilization hole is formed in the fragrance retention box.

[0011] In the above technical solution, the inner cylinder mechanism of the clothes dryer provided by the utility model has the beneficial effects that:

[0012] 1、The track strip is arranged, so that the belt moves along the track groove, the belt deviation is avoided, the stability of the inner cylinder during rotation is improved, the belt stress is uniform, the belt abrasion rate is slowed down, and the service life of the belt is prolonged.

[0013] 2、The tensioning assembly is arranged, so that the belts with different aging degrees can be in a certain tension range, the close transmission between the belt and the inner cylinder is ensured, the spring is arranged, the tensioning wheel can automatically adjust and maintain the appropriate tension of the belt, the vibration caused by the rotation of the inner cylinder is effectively buffered, and the rotation of the inner cylinder is more stable.

[0014] It should be understood that the foregoing general description and the following detailed description are only exemplary and illustrative, but not for limiting the present disclosure.

[0015] The present application file provides an overview of various implementations or examples of the technology described in the present disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0017] Figure 1 The first perspective structural schematic view provided by the embodiment of the present application is shown in the figure.

[0018] Figure 2 The second perspective structural schematic view provided by the embodiment of the present application is shown in the figure.

[0019] Figure 3 The third perspective structural schematic view provided by the embodiment of the present application is shown in the figure.

[0020] Figure 4 The third perspective structural schematic view provided by the embodiment of the present application is shown in the figure. Figure 1 The enlarged view of A in the figure.

[0021] Figure 5 The utility model provides an embodiment of Figure 3 The enlarged view of B in the middle.

[0022] Mark explanation:

[0023] 1, inner tube; 11, positioning protrusion; 2, track strip; 21, track groove; 22, screw; 3, rubber sheath; 31, limiting edge; 4, positioning wheel; 41, mounting bracket; 5, belt; 6, fragrance box; 61, volatile hole; 7, motor; 71, mounting ring; 72, belt pulley; 8, sliding block; 81, tensioner; 82, guide rod; 83, screw; 84, connecting rod; 85, spring. Specific implementation

[0024] To make the purpose, technical scheme and advantages of the embodiments of the present disclosure clearer, the technical scheme of the embodiments of the present disclosure will be described clearly and completely below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present disclosure.

[0025] Please refer to Figures 1-5 A dryer inner tube mechanism, comprising: an inner tube 1, the inner tube 1 is wrapped with a track strip 2, the track strip 2 is provided with a track groove 21, the two ends of the track strip 2 are connected by a screw 22, one side of the inner tube 1 is provided with a motor 7 and a tensioning assembly, a belt 5 is arranged in the track groove 21, and the belt 5 is fixedly connected outside a belt pulley 72 on the output shaft of the motor 7 and a tensioner 81 on the tensioning assembly.

[0026] Specifically, referring to Figure 1 And Figure 4 First, the track strip 2 is wrapped on the outer side of the inner tube 1, then the two end portions of the track strip 2 are fixed by a screw, and the track strip 2 is tightly wrapped on the outer side of the inner tube 1, the contact surface of the track strip 2 and the inner tube 1 is roughened to increase the friction, and the belt 5 and the track strip 2 are both made of rubber material and have a large friction between each other, so that when the motor 7 drives the inner tube 1 to rotate through the belt 5, the belt 5 can stably drive the track strip 2 and the inner tube 1 to rotate, and the track groove 21 is provided for the belt 5 to move therein, the movement of the belt 5 is limited by the track groove 21, so that the tension on the belt 5 is close to the same everywhere from the installation to the use process, and the use life of the belt 5 is greatly prolonged by cooperating with the use of the tensioning assembly.

[0027] Further, the tensioning assembly comprises a sliding block 8, a connecting rod 84 is fixedly connected to the sliding block 8, the tensioning wheel 81 is rotationally arranged on the connecting rod 84, an installation ring 71 is fixedly sleeved outside the motor 7, two guide rods 82 are fixedly connected to the installation ring 71, the sliding block 8 is slidingly arranged on the two guide rods 82, a spring 85 is arranged between the sliding block 8 and the installation ring 71, and the spring 85 is sleeved outside the screw 83.

[0028] Specifically, bearings are arranged between the tensioning wheel 81 and the connecting rod 84, so as to reduce kinetic energy loss; the belt 5 is sleeved outside the track strip 2 and the belt pulley 72, and the outer side surface of the tensioning wheel 81 abuts against the outer side surface of the belt 5; the tensioning degree of the belt 5 is adjusted by the tensioning wheel 81, the initial tension of the belt 5 is adjusted by screwing the screw 83 to make the screw 83 extrude the sliding block 8 to slide on the guide rod 82 and change the distance between the tensioning wheel 81 and the belt 5, and the initial tension is automatically adjustable by arranging the spring 85, so as to buffer the vibration of the inner cylinder 1 and the motor 7 during rotation of the inner cylinder 1, improve the stability during rotation of the inner cylinder 1, and one end of the spring 85 is fixedly connected to the sliding block 8, and the other end of the spring 85 is fixedly connected to the installation ring 71; when the belt 5 is aging and loosens as a whole, the screw 83 is screwed into the installation ring 71, the nut part of the screw 83 extrudes the sliding block 8 to overcome the elastic force of the spring 85 and moves towards the installation ring 71, the belt 5 is tightened, the initial tension of the belt 5 reaches the requirement of stable driving of the inner cylinder 1, and the service life of the belt 5 is further prolonged.

[0029] Further, two circles of equidistantly distributed positioning protrusions 11 are fixedly connected to the outer side surface of the inner cylinder 1, and the track strip 2 is located between the two circles of positioning protrusions 11.

[0030] Specifically, referring to Figure 1 The two circles of equidistantly distributed positioning protrusions 11 are spot-welded on the inner cylinder 1, so that the track strip 2 and the position of the belt pulley 72 are ensured to be in the same plane during installation, the tension of the belt 5 is ensured to be close to the same at all positions in the belt 5 during driving, the service life of the belt 5 is ensured to be prolonged, the installation of the track strip 2 is facilitated, and the track strip 2 can be quickly and accurately installed in place.

[0031] Further, the outlet end of the inner cylinder 1 is sleeved with a rubber sheath 3, the outer side surface of the rubber sheath 3 is tightly attached to two symmetrically arranged positioning wheels 4, and the positioning wheels 4 are rotationally arranged on the installation bracket 41.

[0032] Specific, rubber sheath 3 away from the inner tube 1 outlet end of the outer side surface fixedly connected with a limit edge 31, two positioning wheel 4 with rubber sheath 3 set up the inner tube 1 is held up, and in the inner tube 1 rotates, positioning wheel 4 with rubber sheath 3 reverse rotation, positioning wheel 4 and mounting bracket 41 between the bearing connection, mounting bracket 41 is installed on the shell of the dryer, so that the inner tube 1 outlet end is held up, improve the stability of the inner tube 1 rotates.

[0033] Further, the inner tube 1 inner side surface fixedly installed with a leave incense box 6, and leave incense box 6 is provided with volatile hole 61.

[0034] Specific, leave incense box 6 is stored with leave incense particles, leave incense particles release the fragrance through volatile hole 61 into the inner tube 1, clothes in the inner tube 1 in the drying, the fragrance into clothes, so that clothes with fragrance.

[0035] The above only through the description of the certain exemplary embodiments of the utility model, needless to say, for the ordinary skilled person in the art, without departing from the spirit and scope of the utility model, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature, should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A drum mechanism of a clothes dryer, comprising: The utility model provides an inner cylinder (1), its characterized in be: the inner cylinder (1) is wound with track strip (2), the track slot (21) is opened in track strip (2), and the both ends of track strip (2) are connected through screw (22), and one side of inner cylinder (1) is provided with motor (7) and tensioning subassembly, and the track slot (21) is provided with belt (5), and the belt (5) is wound on the outside of belt pulley (72) fixed connection of motor (7) output shaft and tensioning wheel (81) of tensioning subassembly.

2. The inner tub mechanism of a clothes dryer according to claim 1, wherein The tensioning subassembly includes a sliding block (8) having a connecting rod (84) fixedly connected thereto, and the tensioning wheel (81) is rotatably arranged on the connecting rod (84). The motor (7) is fixedly sleeved with a mounting ring (71) on the outside thereof, and the mounting ring (71) is fixedly connected with two guide rods (82). The sliding block (8) is slidably arranged on the two guide rods (82), and a spring (85) is arranged between the sliding block (8) and the mounting ring (71).

3. The inner tub mechanism of a clothes dryer according to claim 2, wherein Further comprising a screw (83) which is threadedly connected to the mounting ring (71) after penetrating through the sliding block (8), and the spring (85) is sleeved on the outside of the screw (83).

4. The inner drum mechanism of a clothes dryer according to claim 1, wherein Two circles of equidistantly distributed positioning protrusions (11) are fixedly connected to the outer side of the inner cylinder (1), and the track strip (2) is located between the two circles of the positioning protrusions (11).

5. The inner tub mechanism of a clothes dryer according to claim 1, wherein A rubber sheath (3) is sleeved on the outlet end of the inner cylinder (1), and the outer side of the rubber sheath (3) is tightly attached to two symmetrically arranged positioning wheels (4) which are rotatably arranged on mounting brackets (41).

6. The inner tub mechanism of a clothes dryer according to claim 1, wherein A fragrance retention box (6) is fixedly installed on the inner side of the inner cylinder (1), and a volatilization hole (61) is formed in the fragrance retention box (6).