Gas clothes dryer

Abstract

A fuel gas clothes dryer comprises a shell, a front wall plate assembly, a round door body, a roller, a centrifugal fan, a shaft body, a double-shaft-extension motor, a roller belt, a fan belt, a combustor and a steam exhaust part, and the centrifugal fan comprises a front volute, a rear volute, a wind wheel and a transmission sleeve; the circular door body is hinged to the front wall plate assembly, and the circular door body and the circular air inlet hole are sealed. The annular protrusion is in running fit with the rotating sleeve, the rear volute is fixed to the shell, the front volute is attached to the end plate, the air inlet hole is opposite to the steam guide hole set, and the transmission base is in running fit with the shaft body. One shaft body drives the roller belt to enable the roller to rotate, and the other shaft body drives the transmission sleeve through the fan belt; the steam exhaust part is arranged in the shell, the air inlet end is communicated with the air outlet connector of the centrifugal fan, and the air exhaust end extends into the shell; the combustor is arranged on a bottom plate of the shell, and generated heat energy enters the roller through the air guide cavity and the air guide holes. And through the arrangement of the double-shaft-extension motor, one motor can drive the roller and the wind wheel to rotate synchronously, the structure is simplified, and the cost is reduced.

Description

Technical Field

[0001] The utility model relates to a gas-fired clothes dryer. Background Art

[0002] The current existing technology, Chinese patent CN01215349.4, a fully automatic gas clothes dryer, includes a shell, a machine door, a clothes drying barrel in the shell, and a clothes drying heat source gas burner assembly and a motor at the bottom of the shell. The burner assembly includes an air inlet pipe, a switch valve, a proportional control valve and a combustion chamber. The combustion chamber contains a burner and an ignition needle, a main thermocouple, the combustion chamber is connected to the air inlet channel, and the air inlet channel is connected to the air inlet on the clothes drying barrel; the rear wall of the clothes drying barrel has an air outlet, an air outlet duct and an exhaust fan. Existing problems: the structure is complex and two motors are used. Utility Model Content

[0003] The utility model aims to provide a gas-fired clothes dryer, which has the characteristics of being driven by a double-axle extension motor and having a centrifugal fan and a drum rotating synchronously.

[0004] The utility model is realized as follows: a gas-fired clothes dryer, which is special in that it comprises a housing with a front opening, a front wall assembly, a circular door, a drum, a centrifugal fan, a shaft, a double-axle motor, a drum belt, a fan belt, a burner and a steam exhaust part,

[0005] The front wall panel assembly includes an outer panel body, an inner panel body, a circular inlet and outlet hole, an annular protrusion arranged on the inner panel body and surrounding the circular inlet and outlet hole, and an air guide cavity, wherein the air guide hole of the air guide cavity passes through the annular protrusion;

[0006] The drum comprises a rotating sleeve arranged at the open end, a supporting protrusion arranged on the inner wall and a steam guide hole group arranged on the end plate;

[0007] The centrifugal fan includes a front volute, a rear volute, a wind wheel and a transmission sleeve, and the transmission sleeve is fixed to the wind wheel;

[0008] The front wall panel assembly is fixed to the front opening end of the shell, the circular door body is hinged to the front wall panel assembly, and the circular door body is sealed with the circular air inlet hole; the annular protrusion is rotatably matched with the rotating sleeve, the rear volute is fixed to the shell, the front volute is fitted with the end plate and the air inlet hole is opposite to the steam guide hole group, the shaft body and the end plate of the drum, the transmission seat and the shaft body are rotatably matched; one shaft body drives the drum belt to rotate the drum, and the other shaft extends through the fan belt to drive the transmission sleeve; the exhaust part is arranged in the shell, the air inlet end is connected with the air outlet interface of the centrifugal fan, and the exhaust end extends into the shell; the burner is arranged on the bottom plate of the shell, and the heat energy generated enters the drum through the air guide cavity and the air guide hole.

[0009] The gas-fired clothes dryer is special in that: the air guide cavity comprises an air guide shell with a side opening and a cavity portion provided on the inner plate, and an air inlet is provided on the cavity portion;

[0010] The air guide shell is arranged between the inner plate body and the outer plate body, and the side opening end is fitted and fixed with the inner plate body, and the air outlet end of the burner is connected with the cavity part and communicated with the air inlet.

[0011] The gas-fired clothes dryer is special in that: a fan driving pulley is arranged on one shaft of the double-shaft motor, and a drum driving pulley is arranged on the other shaft;

[0012] The transmission sleeve is provided with a driven pulley portion.

[0013] The gas-fired clothes dryer is special in that it also includes a tensioner wheel and an elastic member.

[0014] One end of the elastic member is fixed to the bottom plate of the shell, and the other end is rotationally matched with the tensioning wheel, and the tensioning wheel is matched with the roller belt.

[0015] The gas-fired clothes dryer is special in that: the double-shaft extension motor and the burner are respectively located on two sides of the housing;

[0016] The two side wall plates of the shell are respectively provided with maintenance openings, and the maintenance openings are provided with detachable cover plates.

[0017] The gas-fired clothes dryer is special in that: a fixed seat plate is provided on the shaft;

[0018] It also includes a fixing seat, a sealing seat, a sealing ring and a circular steam guide plate.

[0019] A circular tube seat with a hollow opening at one end is provided on the fixing seat;

[0020] The sealing seat comprises an outer annular body, a sealing groove arranged on the outer annular body, radial ribs and a central sleeve.

[0021] The circular steam guide plate comprises a steam guide hole, an axial support protrusion and a plug-in sleeve;

[0022] The shaft body passes through the end plate and the fixed seat plate of the roller and is fixed to the end plate, the fixed seat covers the fixed seat plate and is fixed to the end plate; the sealing ring is arranged in the sealing groove, the plug-in sleeve is inserted into the center sleeve, the circular pipe seat is inserted into the plug-in sleeve and is detachable, and the sealing seat, the sealing ring and the circular steam guide plate rotate together.

[0023] The gas-fired clothes dryer is special in that the suspended end of the circular tube seat is expanded and elastic.

[0024] The utility model discloses a gas-fired clothes dryer, which is provided with a double-shaft extension motor. One motor can drive a drum and a wind wheel to rotate synchronously, thus simplifying the structure and reducing the cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is one of the cross-sectional views of the present utility model.

[0026] Figure 2 yes Figure 1 A-A view of.

[0027] Figure 3 This is the second sectional view of the present utility model.

[0028] Figure 4 It is one of the three-dimensional exploded views of the utility model.

[0029] Figure 5 This is the second three-dimensional exploded view of the present utility model.

[0030] Figure 6 This is the third three-dimensional exploded view of the present utility model.

[0031] Figure 7 It is a partial stereogram of the utility model.

[0032] Figure 8 It is one of the three-dimensional exploded views of the exhaust assembly of the utility model.

[0033] Fig. 9 This is the second three-dimensional exploded view of the exhaust assembly of the utility model. DETAILED DESCRIPTION

[0034] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a gas clothes dryer comprises a housing 1 with a front opening, a front wall assembly 2, a circular door 3, a drum 4, a centrifugal fan 5, a shaft 6, a double-axle extension motor 7, a drum belt 8, a fan belt 9, a burner 10 and a steam exhaust part 11.

[0037] The front wall panel assembly 2 includes an outer panel body 21, an inner panel body 22, a circular inlet and outlet hole 23, an annular protrusion 24 disposed on the inner panel body 22 and surrounding the circular inlet and outlet hole 23, and an air guide cavity 25, wherein the air guide hole of the air guide cavity 25 passes through the annular protrusion 24; hot air enters the air guide cavity 25 and flows through the guide hole;

[0038] The drum 4 comprises a rotating sleeve 41 arranged at the open end, a supporting protrusion 42 arranged on the inner wall and a steam guide hole group (not marked in the figure) arranged on the end plate. The supporting protrusion 42 is formed by the outer surface of the drum protruding toward the drum 4, supporting the clothes and allowing the hot air to flow and fully contact the clothes.

[0039] The centrifugal fan 5 comprises a front volute 51, a rear volute 52, a wind wheel 53 and a transmission sleeve 54, wherein the transmission sleeve 54 is fixed to the wind wheel 53; an air inlet is provided on the front volute 51, a rotation hole and fixed seat plates are provided on both sides on the rear volute 52; the transmission sleeve 54 is clearance-matched with the rotation hole, and the fixed seat plate is used to be fixed to the rear back plate of the housing 1;

[0040] The front wall panel assembly 2 is fixed to the front open end of the shell 1, the circular door body 3 is hinged to the front wall panel assembly 2, and the circular door body 3 is sealed with the circular air inlet hole; the annular protrusion 24 is rotatably matched with the rotating sleeve 41, the rear volute 52 is fixed to the shell 1, the front volute is fitted with the end plate and the air inlet hole is opposite to the steam guide hole group, the shaft body 6 is rotatably matched with the end plate of the drum 4, and the transmission seat is rotatably matched with the shaft body 6; one shaft body 6 drives the drum belt 8 to rotate the drum 4, and the other shaft extends through the fan belt 9 to drive the transmission sleeve 54; the exhaust part 11 is arranged in the shell 1, the air inlet end is connected to the air outlet interface of the centrifugal fan 5, and the exhaust end extends into the shell 1; the burner 10 is arranged on the bottom plate of the shell 1, and the heat energy generated enters the drum 4 through the air guide cavity 25 and the air guide hole. The impeller 53 of the centrifugal fan 5 rotates to discharge the steam in the drum through the exhaust part 11, generating negative pressure in the drum. Under the effect of the negative pressure, the heat energy or hot air generated by the burner 10 enters the drum 4 through the air guide cavity 25 and the air guide holes.

[0041] The air guide cavity 25 includes an air guide shell 251 with a side opening and a cavity portion 252 disposed on the inner plate 22, and an air inlet is disposed on the cavity portion 252;

[0042] The air guide shell 251 is disposed between the inner plate body 22 and the outer plate body 21, and the side opening end is fixedly attached to the inner plate body 22, and the air outlet end of the burner is connected to the cavity part 252 and communicated with the air inlet;

[0043] Alternatively, the cavity portion 252 is inserted into the air outlet end of the burner 10.

[0044] As a further improvement of the utility model: a fan driving pulley 55 is provided on one shaft extension of the double-shaft extension motor 7, and a drum driving pulley 43 is provided on the other shaft extension;

[0045] The transmission sleeve 54 is provided with a driven pulley portion 541;

[0046] The fan belt 9 cooperates with the driven pulley portion 541 and the fan driving pulley 55 .

[0047] As a further improvement of the utility model: it also includes a tensioner 12 and an elastic member 13, and the elastic member 13 is made of metal wire;

[0048] One end of the elastic member 13 is fixed to the bottom plate of the housing 1, and the other end is rotationally matched with the tensioning wheel 12, and the tensioning wheel 12 is matched with the drum belt 8 to prevent the drum belt 8 from slipping when driving the drum.

[0049] As a further improvement of the utility model: the double-axle extension motor 7 and the burner 10 are respectively located on both sides of the housing 1;

[0050] The two side wall panels of the housing 1 are respectively provided with maintenance openings 1A, and the maintenance openings 1A are provided with detachable covers 1B.

[0051] As a further improvement of the present utility model: a fixed seat plate 61 is provided on the shaft body 6;

[0052] It also includes a fixing seat 14, a sealing seat 15, a sealing ring 16 and a circular steam guide plate 17.

[0053] The fixing seat 14 is provided with a circular tube seat 141 with a hollow end and an open end;

[0054] The sealing seat 15 comprises an outer annular body, a sealing groove provided on the outer annular body, radial ribs and a central sleeve 151.

[0055] The circular steam guide plate 17 includes a steam guide hole, an axial support protrusion 171 and a plug sleeve 172 to play a filtering role;

[0056] The shaft body 6 passes through the end plate and the fixed seat plate 61 of the drum 4 and is fixed to the end plate. The fixed seat 14 covers the fixed seat plate 61 and is fixed to the end plate. The sealing ring 16 is arranged in the sealing groove, the plug-in sleeve 172 is inserted into the center sleeve 151, and the circular pipe seat 141 is inserted into the plug-in sleeve 172 and is detachable. The sealing seat 15, the sealing ring 16 and the circular steam guide plate 17 rotate with the drum.

[0057] As a further improvement of the present invention, the suspended end of the circular tube seat 141 is expanded and elastic. With such a structure, it is easy to disassemble and can also prevent the circular steam guide plate 17 from falling off.

[0058] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A gas-fired clothes dryer, characterized in that: It includes a shell with a front opening, a front wall panel assembly, a circular door body, a drum, a centrifugal fan, a shaft body, a double-axle extension motor, a drum belt, a fan belt, a burner and a steam exhaust part. The front wall panel assembly includes an outer panel body, an inner panel body, a circular inlet and outlet hole, an annular protrusion arranged on the inner panel body and surrounding the circular inlet and outlet hole, and an air guide cavity, wherein the air guide hole of the air guide cavity passes through the annular protrusion; The drum comprises a rotating sleeve arranged at the open end, a supporting protrusion arranged on the inner wall and a steam guide hole group arranged on the end plate; The centrifugal fan includes a front volute, a rear volute, a wind wheel and a transmission sleeve, and the transmission sleeve is fixed to the wind wheel; The front wall panel assembly is fixed to the front opening end of the shell, the circular door body is hinged to the front wall panel assembly, and the circular door body is sealed with the circular air inlet hole; the annular protrusion is rotatably matched with the rotating sleeve, the rear volute is fixed to the shell, the front volute is fitted with the end plate and the air inlet hole is opposite to the steam guide hole group, the shaft body and the end plate of the drum, the transmission seat and the shaft body are rotatably matched; one shaft body drives the drum belt to rotate the drum, and the other shaft extends through the fan belt to drive the transmission sleeve; the exhaust part is arranged in the shell, the air inlet end is connected to the air outlet interface of the centrifugal fan, and the exhaust end extends into the shell; the burner is arranged on the bottom plate of the shell, and the heat energy generated enters the drum through the air guide cavity and the air guide hole.

2. A gas-fired clothes dryer according to claim 1, characterized in that: The air guide cavity comprises an air guide shell with a side opening and a cavity portion provided on the inner plate, and an air inlet is provided on the cavity portion; The air guide shell is arranged between the inner plate body and the outer plate body, and the side opening end is fitted and fixed with the inner plate body, and the air outlet end of the burner is connected with the cavity part and communicated with the air inlet.

3. A gas-fired clothes dryer according to claim 1, characterized in that: A fan driving pulley is disposed on one shaft extension of the double-shaft extension motor, and a drum driving pulley is disposed on the other shaft extension; The transmission sleeve is provided with a driven pulley portion.

4. A gas-fired clothes dryer according to claim 3, characterized in that: It also includes a tensioner and an elastic member. One end of the elastic member is fixed to the bottom plate of the shell, and the other end is rotationally matched with the tensioning wheel, and the tensioning wheel is matched with the roller belt.

5. The gas-fired clothes dryer according to claim 1, characterized in that: The double-axle motor and the burner are respectively located on two sides of the shell; The two side wall plates of the shell are respectively provided with maintenance openings, and the maintenance openings are provided with detachable cover plates.

6. A gas-fired clothes dryer according to claim 1, characterized in that: A fixed seat plate is provided on the shaft body; It also includes a fixing seat, a sealing seat, a sealing ring and a circular steam guide plate. A circular tube seat with a hollow opening at one end is provided on the fixing seat; The sealing seat comprises an outer annular body, a sealing groove arranged on the outer annular body, radial ribs and a central sleeve. The circular steam guide plate comprises a steam guide hole, an axial support protrusion and a plug-in sleeve; The shaft body passes through the end plate and the fixed seat plate of the roller and is fixed to the end plate, the fixed seat covers the fixed seat plate and is fixed to the end plate; the sealing ring is arranged in the sealing groove, the plug-in sleeve is inserted into the center sleeve, the circular pipe seat is inserted into the plug-in sleeve and is detachable, and the sealing seat, the sealing ring and the circular steam guide plate rotate together.

7. A gas-fired clothes dryer according to claim 6, characterized in that: The suspended end of the circular tube seat is expanded and elastic.

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