CN113236566A

CN113236566A - Cylinder block with heat dissipation function of rotor type compressor

Info

Publication number: CN113236566A
Application number: CN202110631561.1A
Authority: CN
Inventors: 柴茂根; 朱欢; 李海风; 丁连央; 陈金龙
Original assignee: Zhejiang Anji Huayi Technology Co ltd
Current assignee: Zhejiang Anji Huayi Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-08-10

Abstract

The invention relates to the technical field of compressor cylinder seats, and discloses a cylinder seat with a heat dissipation function of a rotor compressor, which comprises a cylinder seat body, wherein four heat conducting fins are respectively embedded on the inner wall of the left side of a cavity, four heat gathering cavities which are positioned at the same horizontal position with the four heat conducting fins are respectively arranged in the cylinder seat body, the left ends of the heat conducting fins extend into the heat gathering cavities, the inner wall of the left side of each heat gathering cavity is provided with a heat dissipation cavity, the left end of each heat dissipation cavity extends out of the left surface of the cylinder seat body, and a shaking mechanism is arranged on each heat conducting fin. This rotor compressor has cylinder block of heat dissipation function, obtains according to the atmospheric pressure principle and gathers the hot-air of hot intracavity and discharge by the heat dissipation chamber, reaches the effect to gathering the heat transfer of hot chamber like this to reach the heat dissipation function to the cylinder block body, prevented that the long-time gathering of heat can not discharge in the cavity, ensured the life of cylinder in long-time use.

Description

Cylinder block with heat dissipation function of rotor type compressor

Technical Field

The invention relates to the technical field of compressor cylinder bases, in particular to a cylinder base with a heat dissipation function of a rotor compressor.

Background

The compressor is widely applied in the civil field, and the compressor is required to be used in the refrigeration household appliance field such as an air conditioner, a refrigerator and the like, and an oil cooling mode is usually adopted; and the cylinder block of compressor is the important component part of compressor, provide working chamber and support for the compressor, current cylinder block structure, generally set up the cylinder hole at the cylinder head, when the compressor moves, the bent axle drives connecting rod and piston, turn into the reciprocating motion of piston in the cylinder hole with the rotary motion of motor, thereby realize the vapour absorption of compressor, compression and steam extraction, the air through continuous compression can produce a large amount of heats, the heat that current most of cylinder blocks produced to the piston motion all directly relies on the surface of cylinder head to dispel the heat, heat dispersion is relatively poor, lead to the temperature of cylinder inner wall to be high, can not in time effectual distribute away the waste heat, mechanical parts's life has been reduced, be unfavorable for people's use.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the cylinder block with the heat dissipation function of the rotor compressor, which has the advantages of accelerating the heat dissipation effect of the cylinder block and the like, and solves the problem of poor heat dissipation effect of the cylinder block.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the cylinder seat comprises a cylinder seat body, wherein a cavity is formed in the right side surface of the cylinder seat body, shaft holes extending out of the cylinder seat body are formed in the cylinder seat body respectively, four mounting holes extending out of the cylinder seat body are formed in four corners of the cylinder seat body respectively, four heat conducting fins are inlaid on the inner wall of the left side of the cavity respectively, four heat collecting cavities which are located at the same horizontal position with the four heat conducting fins are formed in the cylinder seat body respectively, the left ends of the heat conducting fins extend into the heat collecting cavities, a heat radiating cavity with the left end extending out of the left side surface of the cylinder seat body is formed in the inner wall of the left side of the heat collecting cavity, a mounting support is arranged in the heat radiating cavity, filter screens extending out of the surfaces of the left side and the right side of the mounting support are inlaid on the mounting support, and a shaking mechanism is arranged on each heat conducting fin.

Preferably, the cross section of the heat collecting cavity is arranged to be rhombus-shaped.

Preferably, the shake mechanism includes movable housing, and movable housing's right-hand member fixed connection is on the left side surface of conducting strip, and movable housing's left side is provided with the movable push rod that the right-hand member slided and runs through into movable housing, and movable push rod and movable housing's left wall sliding connection, movable push rod are located one of movable housing and serve fixedly connected with limiting plate, and the reset spring on movable push rod is cup jointed in the activity to the left side fixed surface of limiting plate, and reset spring's left end fixed connection is on movable housing's left side inner wall.

Preferably, the movable push rod is kept away from one end of the movable shell and is fixedly connected with a sealing ring in sliding connection with the inner wall of the heat dissipation cavity, two air exchange grooves with semicircular sections are formed in the inner walls of the upper side and the lower side of the heat dissipation cavity respectively, and the two air exchange grooves are arranged in a mirror image mode.

Preferably, a groove is formed in the surface of one side, facing the heat accumulation cavity, of the sealing ring.

Preferably, the left side surface of the sealing ring is fixedly connected with a connecting rotating block, the left end of the connecting rotating block is rotatably connected with a connecting push plate, and a contact cam in contact with the filter screen is rotatably connected in the heat dissipation cavity.

Preferably, the rear side surface of the contact cam is fixedly connected with a rotating shaft, the rear end of the rotating shaft is rotatably connected with the inner wall of the heat dissipation cavity, the front side surface of the contact cam is fixedly connected with a movable shaft, the structure of the movable shaft is T-shaped, one end of the connection push plate, which is close to the contact cam, is provided with a movable groove, the movable groove is movably sleeved on a cross rod of the movable shaft, and the connection push plate is rotatably connected with the cross rod of the movable shaft through the movable groove.

Preferably, the heat dissipation cavity has been seted up towards the support spout on the inner wall of installing support, and the installing support is towards the supporting shoe that extends into in the support spout of one side fixed surface who supports the spout, and the lower surface of supporting shoe is provided with and supports spout sliding connection's supporting pulley, and the right side fixed surface of supporting shoe is connected with the extension spring that resets of right-hand member fixed connection on supporting the spout right side inner wall.

(III) advantageous effects

Compared with the prior art, the invention provides the cylinder seat with the heat dissipation function of the rotor compressor, which has the following beneficial effects:

1. this rotor compressor has cylinder block of heat dissipation function, it is discharged by the heat dissipation chamber to gather the hot air in the hot chamber to obtain according to the atmospheric pressure principle, thereby make and gather the hot chamber heat and reduce at exhaust in-process pressure and outside low temperature air enters into gathering the hot chamber by the heat dissipation chamber again, reach the effect to gathering the heat transfer of hot chamber like this, thereby reach the heat dissipation function to the cylinder block body, prevented that the long-time gathering of heat can not discharge in the cavity, the life of cylinder in long-time use has been ensured, set up to the conducting strip between gathering hot chamber and cavity in this scheme simultaneously, the conducting strip has fine heat conduction effect simultaneously, lubricating oil in the cavity has also been avoided appearing leaking the condition in gathering the hot chamber, the result of use of whole cylinder has been ensured.

2. This rotor formula compressor has the cylinder block of heat dissipation function, in order to prevent to gather the hot intracavity and enter into by the heat dissipation chamber at the in-process outside dust of taking a breath and gather the hot intracavity, further at heat dissipation intracavity installation filter screen, the appearance gathers the impurity that the hot intracavity can be to the outside air in the filter screen in the in-process of taking a breath and filters, has avoided the impurity in the outside air to enter into and has gathered the hot intracavity, has ensured the cleanliness factor of gathering the hot intracavity.

3. This rotor compressor has cylinder block of heat dissipation function, sets up to the rhombus shape through the cross-section that will gather the hot chamber, has set up through this kind of mode and has made things convenient for the conducting strip to advance to gather the heat of hot intracavity and spread, has avoided the heat gathering to lead to the temperature of the conducting strip left and right sides the same messenger conducting strip not at the heat conduction heat in conducting strip department to the heat conduction effect of conducting strip has been ensured, has also made things convenient for the heat gathering to the heat dissipation intracavity simultaneously.

4. This rotor compressor has cylinder block of heat dissipation function, prevent blockking up the mechanism through being provided with, thereby the condition of jam appears in the mesh on having avoided the filter screen, the result of use of filter screen has been ensured, the ventilation effect in heat dissipation chamber has been improved, this mechanism is based on the atmospheric pressure principle simultaneously, the simple and convenient structure of application realizes the conversion to natural resources, the driving force that brings natural resources, the completion is prevented blockking up the operation to the filter screen, reach the utilization of resources that lives and lives, moreover, the steam generator is simple in structure, the implementation cost is low, make to prevent blockking up the mechanism and have fine environmental protection value, the waste to the resource has been avoided.

5. This rotor compressor has cylinder block of heat dissipation function, sets up flutedly through the sealing ring towards one side surface of gathering the hot chamber, has increased the heat after the inflation and the contact surface of sealing ring through this kind of mode to increased the thrust to the sealing ring, ensured the smoothness nature when the sealing ring moves.

Drawings

FIG. 1 is a schematic view of a cylinder block structure of a rotor compressor with heat dissipation function according to the present invention;

FIG. 2 is a schematic front plan view of the cylinder block body of the present invention;

FIG. 3 is a schematic cross-sectional view of the removable housing of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 2;

FIG. 5 is a schematic view of the connection structure of the contact cam of the present invention

Fig. 6 is an enlarged view of fig. 2 at B.

In the figure: the device comprises a cylinder seat body 1, a chamber 2, a shaft 3, a mounting hole 4, a heat conducting fin 5, a heat collecting cavity 6, a heat radiating cavity 7, a mounting bracket 8, a filter screen 9, a movable shell 91, a movable push rod 92, a limiting plate 93, a return spring 94, a sealing ring 95, a ventilation groove 96, a contact cam 97, a connecting rotating block 98, a connecting push plate 99, a movable shaft 910, a rotating shaft 911, a supporting chute 912, a supporting block 913, a supporting pulley 914 and a return tension spring 915.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a new technical solution: a cylinder block with a heat dissipation function of a rotor compressor comprises a cylinder block body 1, wherein a cavity 2 is formed in the right side surface of the cylinder block body 1, shaft holes 3 extending out of the cylinder block body 1 are formed in the cylinder block body 1 respectively, four mounting holes 4 extending out of the cylinder block body 1 are formed in the four corners of the cylinder block body 1 respectively, so that the cylinder block body 1 is assembled on a cylinder in a mode of mounting bolts in the mounting holes 4, the cavity 2 in the cylinder block body 1 is communicated with a movable cavity in the cylinder, four heat conducting fins 5 are embedded in the inner wall of the left side of the cavity 2 respectively, the four heat conducting fins 5 are arranged in the cavity 2 in a mode of a middle-first circumferential array by taking the shaft holes 3 as a middle-first circumferential array, and the heat conducting fins 5 are an existing structure and are not described herein;

with further reference to fig. 2, four heat collecting cavities 6 which are located at the same horizontal position with four heat conducting fins 5 are respectively arranged in the cylinder seat body 1, the left ends of the heat conducting fins 5 extend into the heat collecting cavities 6, and meanwhile, the four heat collecting cavities 6 are connected with each other through the same connecting structure, so that the following connecting structure in the main heat collecting cavity 6 is arranged, and the heat radiating cavity 7 of which the left end extends out of the left side surface of the cylinder seat body 1 is arranged on the inner wall of the left side of the heat collecting cavity 6, so that the following effects can be achieved according to the structure: when the cylinder seat body 1 is arranged on the cylinder, the piston in the cylinder operates to lead the cavity 2 to gather a large amount of heat, the heat is conducted into the heat gathering cavity 6 by the heat conducting fins 5, the heat increases the atmospheric pressure in the heat gathering cavity 6, the hot air in the heat gathering cavity 6 is discharged by the heat dissipation cavity 7 according to the atmospheric pressure principle, the pressure of the heat in the heat gathering cavity 6 is reduced in the discharging process, so that the external low-temperature air enters the heat gathering cavity 6 from the heat dissipation cavity 7, the heat exchange effect on the heat gathering cavity 6 is achieved, the heat dissipation function on the cylinder seat body 1 is achieved, the heat is prevented from being accumulated in the cavity 2 for a long time and cannot be discharged, the service life of the cylinder in the long-time use process is ensured, meanwhile, the heat conducting fins 5 are arranged between the heat gathering cavity 6 and the cavity 2, the heat conducting fins 5 simultaneously have good heat conduction effect, and the condition that lubricating oil in the cavity 2 is prevented from leaking into the heat gathering cavity 6, the use effect of the whole cylinder is guaranteed;

in order to prevent external dust in the heat accumulation cavity 6 from entering the heat accumulation cavity 6 from the heat dissipation cavity 7 in the ventilation process, an installation support 8 is further arranged in the heat dissipation cavity 7, filter screens 9 extending out of the surfaces of the left side and the right side of the installation support 8 are embedded in the installation support 8, and the filter screens 9 are made of nylon meshes, so that the filter screens 9 have certain toughness and strength, the service life of the filter screens 9 is ensured;

in the embodiment, the cross section of the heat collecting cavity 6 is further arranged to be rhombus-shaped, so that the heat conducted by the heat conducting sheet 5 into the heat collecting cavity 6 can be conveniently diffused, the heat conducted by the heat conducting sheet 5 is avoided from being collected at the heat conducting sheet 5, the temperature of the left side and the right side of the heat conducting sheet 5 is the same, and the heat conducting sheet 5 does not conduct heat, the heat conducting effect of the heat conducting sheet 5 is ensured, and meanwhile, the heat can be conveniently collected into the heat radiating cavity 7;

in order to further ensure the long-term use effect of the filter screen 9, a shaking mechanism is arranged on the heat conducting fin 5 and comprises a movable shell 91, the right end of the movable shell 91 is fixedly connected to the left side surface of the heat conducting fin 5, and further refer to fig. 3, a movable push rod 92 with the right end sliding to penetrate into the movable shell 91 is arranged on the left side of the movable shell 91, the movable push rod 92 is slidably connected with the left wall of the movable shell 91, a limiting plate 93 is fixedly connected to one end, located in the movable shell 91, of the movable push rod 92, a return spring 94 movably sleeved on the movable push rod 92 is fixedly connected to the left side surface of the limiting plate 93, and the left end of the return spring 94 is fixedly connected to the left side inner wall of the movable;

referring to fig. 4 further, a sealing ring 95 slidably connected to the inner wall of the heat dissipation chamber 7 is fixedly connected to one end of the movable push rod 92 away from the movable housing 91, a sealing rubber ring is disposed on the outer surfaces of the sealing ring 95 and the heat dissipation chamber 7, two ventilation grooves 96 having semicircular sections are respectively disposed on the inner walls of the upper and lower sides of the heat dissipation chamber 7, the two ventilation grooves 96 are arranged in a mirror image manner, and meanwhile, an opening of one side of the ventilation groove 96, which is close to the heat collection chamber 6, is blocked by an initial position of the sealing ring 95, so that air in the heat collection chamber 6 cannot be discharged through the ventilation grooves 96;

the following operational results can be achieved according to the above structure: the temperature of the air in the heat collecting cavity 6 gradually rises, so that the air in the heat collecting cavity 6 expands, the expanded air forms thrust on the sealing ring 95 positioned in the heat radiating cavity 7, the sealing ring 95 slides to the left under the pushing of the expanded air, meanwhile, the sealing ring 95 pulls the limiting plate 93 through the movable push rod 92, so that the return spring 94 is contracted by the pressing force, when the sealing ring 95 is slid not to be blocked by the air vent groove 96, the air thus expanded is discharged from the air vent groove 96, when the pressure in the heat accumulating chamber 6 is reduced and is smaller than the resilient force of the return spring 94, the return spring 94 is restored to the initial position, thereby pulling sealing ring 95 to the initial position, such that sealing ring 95 again blocks vent groove 96, thus, the pressure intensity of the heat accumulation cavity 6 under continuous heating can be increased, so that the sealing ring 95 can repeatedly move left and right in the long-time use process;

in the embodiment, a groove is further formed in the surface of one side, facing the heat accumulation cavity 6, of the sealing ring 95, and the contact surface between the expanded heat and the sealing ring 95 is increased in such a way, so that the thrust on the sealing ring 95 is increased, and the smoothness of the sealing ring 95 in operation is guaranteed;

a connecting rotating block 98 is fixedly connected to the left side surface of the sealing ring 95, a connecting push plate 99 is rotatably connected to the left end of the connecting rotating block 98, a contact cam 97 which is in contact with the filter screen 9 is rotatably connected to the heat dissipation cavity 7, meanwhile, the longest end of the contact cam 97 is in contact with the filter screen 9 according to the structural characteristics of the cam, further referring to fig. 5, a rotating shaft 911 is fixedly connected to the rear side surface of the contact cam 97, the rear end of the rotating shaft 911 is rotatably connected to the inner wall of the heat dissipation cavity 7, a movable shaft 910 which is in a T-shaped structure is fixedly connected to the front side surface of the contact cam 97, a movable groove which is movably sleeved on a cross rod of the movable shaft 910 is formed in one end, close to the contact cam 97, of the connecting push plate 99, and the cross rod of the movable shaft 910 are rotatably connected through the movable groove;

referring to fig. 6 further, a plurality of supporting chutes 912 are formed in the inner wall of the heat dissipation cavity 7 facing the mounting bracket 8, the supporting chutes 912 are arranged according to the actual area of the mounting bracket 8, which is not described herein, the connecting structures in the supporting chutes 912 are the same, a supporting block 913 extending into the supporting chute 912 is fixedly connected to the surface of one side of the mounting bracket 8 facing the supporting chute 912, a supporting pulley 914 slidably connected to the supporting chute 912 is disposed on the lower surface of the supporting block 913, and a reset tension spring 915 whose right end is fixedly connected to the inner wall of the right side of the supporting chute 912 is fixedly connected to the surface of the right side of the supporting block 913;

the following operation results can be achieved according to the above configuration: when sealing ring 95 is when the displacement left, sealing ring 95 has promoted contact cam 97 through connecting push pedal 99 like this and has carried out clockwise rotation, contact cam 97's the longest point pair forms the extrusion to filter screen 9, installing support 8 is supporting the inside left displacement of spout 912 through supporting pulley 914 like this, it is tensile to reset extension spring 915 atress at the in-process of displacement, when sealing ring 95 is when the displacement right, contact cam 97 is rotated to the shortest end by the longest point, contact cam 97 is not contacting with filter screen 9, installing support 8 slides fast to initial position under pulling of extension spring 915 that resets like this, installing support 8 forms the shaking force at the in-process that resets to filter screen 9, thereby dust on the filter screen 9 drops.

The working principle is as follows: when the cylinder block with the heat dissipation function of the rotor compressor is used;

the first step is as follows: heat conduction, the piston in the cylinder operates to enable a large amount of heat to be collected in the chamber 2, and the heat is conducted to the heat collection cavity 6 through the heat conduction sheet 5;

the second step is that: the temperature of the air in the heat collecting cavity 6 is gradually increased by heat dissipation, so that the air in the heat collecting cavity 6 is expanded, the expanded air forms thrust on the sealing ring 95 positioned in the heat dissipation cavity 7, the sealing ring 95 slides to the left under the push of the expanded air, and meanwhile, the sealing ring 95 pulls the limiting plate 93 through the movable push rod 92, so that the return spring 94 is contracted by the pressing force, when the sealing ring 95 is slid not to be blocked by the air vent groove 96, the air thus expanded is discharged from the air vent groove 96, when the pressure in the heat accumulating chamber 6 is reduced and is smaller than the resilient force of the return spring 94, the return spring 94 is restored to the initial position, thereby pulling sealing ring 95 to the initial position, such that sealing ring 95 again blocks vent groove 96, thus, the pressure intensity of the heat accumulation cavity 6 under continuous heating can be increased, so that the sealing ring 95 can repeatedly move left and right in the long-time use process;

the third step: prevent blockking up, when sealing ring 95 is when the left displacement, sealing ring 95 has so promoted contact cam 97 through connecting push pedal 99 and has carried out clockwise rotation, the longest side of contact cam 97 forms the extrusion to filter screen 9, installing support 8 is through supporting pulley 914 and to the left displacement in supporting chute 912 like this, it stretches to reset extension spring 915 atress at the in-process of displacement, when sealing ring 95 is when the right displacement, contact cam 97 is rotated to the shortest end by the longest side, contact cam 97 is not contacting with filter screen 9, installing support 8 slides to initial position fast under the pulling of extension spring 915 that resets like this, installing support 8 forms the vibrations power to filter screen 9 at the in-process that resets, thereby dust on the filter screen 9 drops.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cylinder block that rotor compressor has heat dissipation function, includes cylinder block body (1), and cavity (2) have been seted up on the right side surface of cylinder block body (1), offer shaft hole (3) that extend cylinder block body (1) respectively on cylinder block body (1), four mounting holes (4) that extend cylinder block body (1), its characterized in that are seted up respectively in the four corners department of cylinder block body (1): the cylinder seat is characterized in that four heat-conducting fins (5) are respectively inlaid on the inner wall of the left side of the cavity (2), four heat-gathering cavities (6) which are located at the same horizontal position with the four heat-conducting fins (5) are respectively arranged in the cylinder seat body (1), the left ends of the heat-conducting fins (5) extend into the heat-gathering cavities (6), heat-dissipation cavities (7) are arranged on the inner wall of the left side of the heat-gathering cavities (6), the left ends of the heat-dissipation cavities extend out of the left side surface of the cylinder seat body (1), mounting supports (8) are arranged in the heat-dissipation cavities (7), filter screens (9) extending out of the left side surface and the right side surface of each mounting support (8) are inlaid on the.

2. The cylinder block with heat dissipation function of a rotary compressor as set forth in claim 1, wherein: the section of the heat collecting cavity (6) is arranged to be rhombus-shaped.

3. The cylinder block with heat dissipation function of a rotary compressor as set forth in claim 1, wherein: the shaking mechanism comprises a movable shell (91), the right end of the movable shell (91) is fixedly connected to the left side surface of the heat conducting fin (5), the left side of the movable shell (91) is provided with a movable push rod (92) with the right end sliding in the movable shell (91), the movable push rod (92) is connected with the left wall of the movable shell (91) in a sliding mode, the movable push rod (92) is located on one end of the movable shell (91) and is fixedly connected with a limiting plate (93), the left side of the limiting plate (93) is fixedly connected with a return spring (94) movably sleeved on the movable push rod (92), and the left end of the return spring (94) is fixedly connected to the left inner wall of the movable shell (91).

4. A cylinder block with a heat dissipating function of a rotary compressor according to claim 3, wherein: one end of the movable push rod (92) far away from the movable shell (91) is fixedly connected with a sealing ring (95) in sliding connection with the inner wall of the heat dissipation cavity (7), two air exchange grooves (96) with semicircular sections are formed in the inner walls of the upper side and the lower side of the heat dissipation cavity (7) respectively, and the two air exchange grooves (96) are arranged in a mirror image mode.

5. The cylinder block with heat dissipation function of the rotor compressor as set forth in claim 4, wherein: and a groove is formed in the surface of one side, facing the heat accumulation cavity (6), of the sealing ring (95).

6. The cylinder block with heat dissipation function of the rotor compressor as set forth in claim 4, wherein: fixedly connected with on the left side surface of sealing ring (95) connects commentaries on classics piece (98), and the left end of connecting commentaries on classics piece (98) rotates and is connected with connection push pedal (99), and heat dissipation chamber (7) internal rotation is connected with contact cam (97) with filter screen (9) contact.

7. The cylinder block with heat dissipation function of a rotary compressor as set forth in claim 6, wherein: the rear side surface fixedly connected with rear end of contact cam (97) rotates axis of rotation (911) of being connected with heat dissipation chamber (7) inner wall, and the front side surface fixedly connected with structure of contact cam (97) is loose axle (910) of "T" word form, connects push pedal (99) and is close to the one end of contact cam (97) and has seted up the activity groove of activity cup joint on loose axle (910) horizontal pole, connects push pedal (99) and rotates through the horizontal pole of activity groove and loose axle (910) to be connected.

8. The cylinder block with heat dissipation function of a rotary compressor as set forth in claim 7, wherein: the heat dissipation chamber (7) has been seted up towards on the inner wall of installing support (8) and has been supported spout (912), and installing support (8) are towards supporting shoe (913) that one side fixed surface of spout (912) is connected with the extension and support in spout (912), the lower surface of supporting shoe (913) be provided with supporting spout (912) sliding connection's support pulley (914), the right side fixed surface of supporting shoe (913) be connected with right-hand member fixed connection support spout (912) right side inner wall on extension spring (915) that resets.