CN210008898U

CN210008898U - Instant heating type non-cutoff large-flux energy-saving hybrid heating system water dispenser

Info

Publication number: CN210008898U
Application number: CN201920578032.8U
Authority: CN
Inventors: 陆力生
Original assignee: Suzhou Long Feng Energy Saving Environmental Protection Equipment Co Ltd
Current assignee: Jiangsu langzhiyuan environmental protection equipment manufacturing Co.,Ltd.
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-02-04
Anticipated expiration: 2029-04-25

Abstract

The utility model discloses an energy-conserving hybrid heating system water dispenser of instantaneous heating type no cutout large flux, including the water dispenser main part, control panel is installed to the bottom of the positive one side of water dispenser main part, the intermediate position department at water dispenser main part top installs the cask cover, and the intermediate position department of cask cover bottom is provided with the inlet tube, and evenly is provided with the inlet opening on the inlet tube, the singlechip is installed to one side on the inside top of water dispenser main part, and the inboard top installation cold water storage cistern of water dispenser main part, the intermediate position department and the inlet tube intercommunication at cold water storage cistern top, the inside one end of keeping away from the singlechip of cold water storage cistern has the water level pipe through the support mounting, and the inside of water level pipe is provided with the water level floater, the inside intermediate position department of keeping away. The utility model discloses be provided with the condensing equipment of distilled water, can collect the vapor that produces in the heating process, form distilled water, the functional machine of effectual improvement water winning machine.

Description

Instant heating type non-cutoff large-flux energy-saving hybrid heating system water dispenser

Technical Field

The invention relates to the technical field of environment-friendly equipment, in particular to a water dispenser of an instant heating type no-cutoff large-flux energy-saving hybrid heating system.

Background

As the domestic instant water dispenser tends to mature, more and more enterprises develop to the area of the commercial instant water dispenser, no reliable and feasible scheme is available at present, the problems of flow and cutoff of the commercial instant water dispenser can be solved, the instant water dispenser is quickly heated by a high-power instant heat pipe at present, but the flow is small, and the cutoff can not meet the water intake requirements of concentrated crowds, the instant water dispenser utilizes a small water container to heat, so that normal-temperature water is preheated to 50-100 ℃, when the temperature of the water container is insufficient, an instant pipe fitting is subjected to auxiliary heating, so that the heating time is shortened, the flow speed is accelerated, when the temperature of the water container reaches 100 ℃, the instant pipe fitting is not heated, the current water dispenser has no good auxiliary function, a water bucket is placed on the water dispenser, the water exchange is inconvenient, and the current water dispenser can only obtain cold water and hot water, the distilled water cannot be extracted.

Disclosure of Invention

The invention aims to provide an instant heating type no-cutoff large-flux energy-saving hybrid heating system water dispenser to solve the related problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an instant heating type non-cutoff large-flux energy-saving hybrid heating system water dispenser comprises a water dispenser main body, wherein a control panel is installed at the bottom of one side of the front face of the water dispenser main body, a water barrel cover is installed at the middle position of the top of the water dispenser main body, a water inlet pipe is arranged at the middle position of the bottom of the water barrel cover, water inlet holes are uniformly formed in the water inlet pipe, a single chip microcomputer is installed at one side of the top end inside the water dispenser main body, a cold water tank is installed at the top of the inner side of the water dispenser main body, the middle position of the top of the cold water tank is communicated with the water inlet pipe, a water level pipe is installed at one end, far away from the single chip microcomputer, inside of the cold water tank, a water level floating ball is arranged inside the water level pipe, a condensation bin is installed at the middle position of one side, far away from, and the distilled water pipe is far away from the end of the condensation bin and is provided with a distilled water valve, the heating cylinder is arranged at the middle position of the bottom inside the water dispenser main body, the top of the heating cylinder is provided with a high-temperature sensor, the heating plate is arranged inside the heating cylinder, the bottom inside the heating cylinder is provided with a second temperature controller, the top of the side wall of the microswitch is provided with a hot water pipe, the top of the hot water pipe is provided with a steam port, the top of the steam port is communicated with the condensation bin, one end of the hot water pipe, far away from the heating cylinder, extends to the outer side of the water dispenser main body, one end of the hot water pipe, far away from the heating cylinder is provided with a hot water valve, one side of the bottom of the cold water tank, far away from the singlechip is provided with a cold water pipe, one end of the cold water pipe, far away from the second limiting plate is provided with, a liquid level sensor is installed at the top of the heating water container, a first temperature controller is installed at the top of the outer side of the heating water container, a connecting pipe is installed at the top of the outer side of the heating water container, one end, away from the heating water container, of the connecting pipe is communicated with the bottom of the side wall of the heating cylinder, a heating pipe is installed at the bottom of the inner portion of the heating water container, an instant water pipe is arranged on the outer side of the heating pipe, one end of the instant water pipe is communicated with the connecting pipe, a guide pipe is installed at one side, close to the single chip microcomputer, of the bottom of the cold water tank, a flow pump is installed at the top of the guide pipe, a second electromagnetic valve is installed at the bottom of the guide pipe, the bottom of the guide pipe is communicated with the bottom of the heating water container, one end, away from the connecting pipe, of, the water dispenser is characterized in that a pneumatic cylinder is installed on one side, close to the single chip microcomputer, of the water dispenser body, a second pneumatic cylinder is hinged to one side, far away from the pneumatic cylinder, of the water dispenser body, the storage battery is electrically connected with the single chip microcomputer, the pneumatic cylinder, the second pneumatic cylinder, the heating pipe, the heating plate and the flow pump through leads respectively, the control panel is electrically connected with the single chip microcomputer, the pneumatic cylinder, the second pneumatic cylinder, the heating pipe, the heating plate and the flow pump through leads respectively, the output ends of the first temperature controller, the second temperature controller, the high-temperature sensor, the micro switch and the liquid level sensor are in telecommunication connection with the input end of the single chip microcomputer, the output end of the single chip microcomputer is electrically connected with the first electromagnetic valve.

Preferably, the bottom of the water bucket cover is provided with a circle of drain pipe, and the bottom of the drain pipe is connected to the top of the cold water tank;

preferably, the instant water pipe is spiral and is wound on the outer side of the heating pipe;

preferably, the bottom of the pneumatic cylinder is provided with a movable wheel, the bottom of the second pneumatic cylinder is provided with a universal seat, and the bottom of the universal seat is provided with a sucker;

preferably, mounting grooves are formed in four corners of the bottom of the water dispenser main body, a shock absorber is arranged inside each mounting groove, and universal wheels are mounted at the bottom of each shock absorber;

preferably, three groups of condensation racks are uniformly arranged in the condensation bin, and a guide plate which is downwards inclined to the inlet of the distilled water pipe is arranged at the bottom of each condensation rack;

preferably, a slot is installed on one side, far away from the singlechip, of the top of the water dispenser main body, a plug board is inserted into the slot, a second limiting plate is installed at the top of the plug board, a first limiting plate is installed at the top of the second limiting plate, an included angle between the first limiting plate and the second limiting plate is 120 degrees, and the first limiting plate and the second limiting plate are arc-shaped.

Compared with the prior art, the invention has the beneficial effects that:

(1) the instant heating type non-cutoff large-flux energy-saving hybrid heating system water dispenser improves the instant heating speed, boiled water is discharged within 1-3 seconds, the flow speed is increased, the possibility of cutoff is eliminated, compared with the current single instant heating pipe, the instant heating system water dispenser is high in heating speed, stable in flow speed, large in water flow, free of cutoff and better in auxiliary heating effect compared with other auxiliary heating systems, the other auxiliary heating systems are heated through the heating pipe in a water tank preheating mode, the preheated water tank can generate a large amount of bacteria to cause secondary pollution to water quality, the instant heating type non-cutoff large-flux energy-saving hybrid heating system water dispenser heats to the temperature through the small heating water container, functions of providing warm boiled water through the heat exchanger of the heating water container and the like can be achieved, bacteria cannot.

(2) This instant heating type does not have energy-conserving hybrid heating system water dispenser of cutout large flux and cooperates through two sets of pneumatic cylinders, one side is used for supporting, one side is pried up the water dispenser, make the slope of water dispenser fuselage, be convenient for place new cask, and the device is provided with bearing structure, through mutually supporting of first limiting plate and second limiting plate, can be when trading water, lean on new cask on first limiting plate and second limiting plate, the assistant user installs the cask on the cask cover, make more convenient of trading water.

(3) The instant heating type non-cutoff large-flux energy-saving hybrid heating system water dispenser is provided with a distilled water condensing device, so that water vapor generated in the heating process can be collected to form distilled water, and the functionality of a water winning machine is effectively improved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a block diagram of the heating system of the present invention;

FIG. 4 is a structural diagram of an auxiliary water inlet part of the present invention;

FIG. 5 is a water inlet map of the present invention;

FIG. 6 is a diagram of a shock absorbing section of the present invention;

fig. 7 is a structural view of a condensation frame of the present invention.

In the figure: 1. a water bucket cover; 2. a water dispenser main body; 3. a cold water tank; 4. a water level pipe; 5. a water level floating ball; 6. A microswitch; 7. a flow pump; 8. a first solenoid valve; 9. an instantaneous water pipe; 10. a second solenoid valve; 11. heating the water liner; 12. a liquid level sensor; 13. heating a tube; 14. a first temperature controller; 15. a connecting pipe; 16. a heating cylinder; 17. a high temperature sensor; 18. a second temperature controller; 19. a steam port; 20. a hot water valve; 21. a single chip microcomputer; 22. a flow guide pipe; 23. a pneumatic cylinder; 24. a moving wheel; 25. mounting grooves; 26. A shock absorber; 27. a universal wheel; 28. a storage battery; 29. a first limit plate; 30. a second limiting plate; 31. Inserting plates; 32. a slot; 33. a cold water pipe; 34. a distilled water pipe; 35. a second pneumatic cylinder; 36. universal making; 37. a suction cup; 38. heating plates; 39. a hot water pipe; 40. a cold water valve; 41. a distilled water valve; 42. a control panel; 43. a water inlet pipe; 44. a water inlet hole; 45. a drain pipe; 46. a condensation bin; 47. and a condensation bin.

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. 1-7, the present invention provides a technical solution: an instant heating type non-cutoff large-flux energy-saving hybrid heating system water dispenser comprises a water dispenser main body 2, a control panel 42 is installed at the bottom of one side of the front face of the water dispenser main body 2, a water barrel cover 1 is installed at the middle position of the top of the water dispenser main body 2, a water inlet pipe 43 is arranged at the middle position of the bottom of the water barrel cover 1, water inlet holes 44 are uniformly formed in the water inlet pipe 43, a single chip microcomputer 21 is installed at one side of the top end inside the water dispenser main body 2, the type of the single chip microcomputer 21 is HT66F018, a cold water tank 3 is installed at the top of the inner side of the water dispenser main body 2, the middle position of the top of the cold water tank 3 is communicated with the water inlet pipe 43, a water level cold water pipe 4 is installed at one end, far away from the single chip microcomputer 21, a water, a distilled water pipe 34 is arranged in the middle of the bottom of the condensation bin 47, one end of the distilled water pipe 34 far away from the suction cup 37 extends to the outer side of the water dispenser main body 2, a distilled water valve 41 is arranged in one end of the distilled water pipe 34 far away from the condensation bin 47, a heating cylinder 16 is arranged in the middle of the bottom end of the interior of the water dispenser main body 2, a high temperature sensor 17 is arranged at the top of the heating cylinder 16, the model of the high temperature sensor 17 is CWDZ11, a heating plate 38 is arranged in the heating cylinder 16, a second temperature controller 18 is arranged at the bottom end of the interior of the heating cylinder 16, the model of the second temperature controller 18 is REX-C100, a hot water pipe 39 is arranged at the top of the side wall of the microswitch 6, a steam port 19 is arranged at the top of the hot water pipe 39, the top of the steam port 19 is communicated with the condensation bin 47, one end, a hot water valve 20 is arranged at one end of the hot water pipe 39 far away from the heating cylinder 16, a cold water pipe 33 is arranged at one side of the bottom of the cold water tank 3 far away from the singlechip 21, one end of the cold water pipe 33 far away from the cold water tank 3 extends to the outer side of the cold water tank 3, a cold water valve 40 is arranged at one end of the cold water pipe 33 far away from the second limiting plate 30, a heating water liner 11 is arranged at one side of the bottom end of the interior of the water dispenser main body 2 near the singlechip 21, a liquid level sensor 12 is arranged at the top of the heating water liner 11, the type of the liquid level sensor 12 is WMB-FS, a first temperature controller 14 is arranged at the top of the exterior of the heating water liner 11, the type of the first temperature controller 14 is REX-C100, a connecting pipe is arranged at the top of the exterior of the heating water liner 11, one end of the connecting pipe, an instant water heating pipe 9 is arranged outside the heating pipe 13, one end of the instant water heating pipe 9 is communicated with a connecting pipe 15, a guide pipe 22 is arranged on one side of the bottom of the cold water tank 3 close to the single chip microcomputer 21, a flow pump 7 is arranged at the top of the guide pipe 22, a second electromagnetic valve 10 is arranged at the bottom of the guide pipe 22, the bottom of the guide pipe 22 is communicated with the bottom of the heating water container 11, one end of the instant water heating pipe 9 far away from the connecting pipe 15 is communicated with the guide pipe 22, a first electromagnetic valve 8 is arranged at one end of the instant water heating pipe 9 far away from the connecting pipe 15, a storage battery 28 is arranged at the middle position of the bottom of the water dispenser main body 2, a pneumatic cylinder 23 is arranged on one side of the water dispenser main body 2 close to the single chip microcomputer 21, a second pneumatic cylinder 35 is, The heating pipe 13, the heating plate 38 and the flow pump 7 are electrically connected, the control panel 42 is respectively electrically connected with the singlechip 21, the pneumatic cylinder 23, the second pneumatic cylinder 35, the heating pipe 13, the heating plate 38 and the flow pump 7 through conducting wires, the output ends of the first temperature controller 14, the second temperature controller 18, the high-temperature sensor 17, the micro switch 6 and the liquid level sensor 12 are respectively and electrically connected with the input end of the singlechip 21, the output end of the singlechip 21 is respectively and electrically connected with the first electromagnetic valve 8, the second electromagnetic valve 10, the heating pipe 13, the flow pump 7 and the heating plate 38, and the output end of the hot water valve 20 is electrically connected with the input end of the.

Embodiment 1, as shown in fig. 2 and 4, the second pneumatic cylinder 35 is opened to fix the suction cup 37 on the ground, then the pneumatic cylinder 23 is opened to tilt the water dispenser body 2, so that the water dispenser body 2 is inclined, then the water bucket is leaned against the first limiting plate 29, slides down through the first limiting plate 29 and the second limiting plate 30 and is buckled on the water bucket cover 1, so that the purified water enters the cold water tank 3.

In embodiment 2, as shown in fig. 2, 3, and 7, steam generated in the heating process enters the interior of the condensation bin 47 through the steam port 19, and when encountering the condensation rack 46, the steam is cooled and condensed into water drops to be attached to the surface of the condensation rack 46, and the water drops into the interior of the condensation bin 47 after being condensed into a large amount, and when pure water is needed, the distilled water valve 41 is opened, so that the pure water can be obtained by flowing out from the distilled water valve 41.

The working principle is as follows: before the device is used, a power supply is connected, meanwhile, a standby power supply storage battery 28 can be adopted, firstly, a water bucket is required to be installed, a second pneumatic cylinder 35 is opened, a suction disc 37 is fixed on the ground, then, a pneumatic cylinder 23 is opened, a water dispenser main body 2 is tilted, then, the water bucket leans against a first limiting plate 29, slides downwards through the first limiting plate 29 and a second limiting plate 30 and is buckled on a water bucket cover 1, purified water enters a cold water tank 3, the water level gradually rises and flows to a water level pipe 4, a water level floating ball 5 gradually rises to trigger a micro switch 6, at the moment, a flow pump 7 starts water inlet, a second electromagnetic valve 10 is electrified and opened, water enters a heating water container 11, when the water level is left at the position of an overflow pipe of the heating water container 11, the water level of the heating container 16 automatically flows to the heating cylinder 16, the water level of the heating water container 11 and the water level of the heating cylinder, the flow pump 7 stops working, the second electromagnetic valve 10 is closed, the heating pipe 13 is opened for heating, at the moment, if the hot water valve 20 is opened, the first electromagnetic valve 8 is opened, the hot water enters the heating cylinder 16 through the instant hot water pipe 9 surrounding the heating pipe for mixed heating, information is transmitted to the inside of the singlechip 21 through the high-temperature sensor 17, the flow information is processed through the singlechip 21 to control the flow pump 7 to change the flow, so as to achieve the purpose of quick heating, when the temperature of the heating water liner 11 is continuously increased, the singlechip 21 gives a signal to the flow pump 7 to calculate the flow rate and time of outlet water, so that the flow of the outlet water is gradually increased, when the steam generated by heating of the heating pipe 11 and the heating cylinder 16 is overlarge, the outlet water is discharged through a steam port 19, when the heating cylinder 16 generates high temperature, the first temperature controller 18 on the heating cylinder 16 performs power-off protection, when the temperature of the heating water liner 11 is, the heating water container 11 is provided with a first temperature controller 14, the first temperature controller 14 controls the stop work inside the heating pipe 13 through the single chip microcomputer 21, when the heating cylinder 16 reaches 100 ℃, the second temperature controller 18 controls the heating plate 38 to automatically cut off and stop heating through the single chip microcomputer 21, the heating cylinder 9 is used as an auxiliary working principle, the heating water container 11 is used as a main mixed heating mode, purified water inside the cold water tank 3 can be directly discharged through the cold water valve 40, steam generated in the heating process can enter the interior of the condensation bin 47 through the steam port 19, the steam can be cooled and condensed into water drops to be attached to the surface of the condensation bin 46 when encountering the condensation bin 46, the water drops into a large amount of water drops into the interior of the condensation bin 47, and when the purified water is needed, the distilled water valve 41 is opened, and the purified water can flow out from the distilled.

Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides an instant heating type does not have energy-conserving hybrid heating system water dispenser of big flux of cutout, includes water dispenser main part (2), its characterized in that: the water dispenser is characterized in that a control panel (42) is installed at the bottom of one side of the front face of the water dispenser main body (2), a water barrel cover (1) is installed at the middle position of the top of the water dispenser main body (2), a water inlet pipe (43) is arranged at the middle position of the bottom of the water barrel cover (1), water inlet holes (44) are uniformly formed in the water inlet pipe (43), a single chip microcomputer (21) is installed at one side of the top end of the inside of the water dispenser main body (2), a cold water tank (3) is installed at the top of the inner side of the water dispenser main body (2), the middle position of the top of the cold water tank (3) is communicated with the water inlet pipe (43), a water level pipe (4) is installed at one end, far away from the single chip microcomputer (21), of the inside of the cold water tank (3) through a support, a water level floating ball (5, and the middle position of the bottom of the condensation bin (47) is provided with a distilled water pipe (34), one end of the distilled water pipe (34) far away from the suction disc (37) extends to the outer side of the water dispenser main body (2), one end of the distilled water pipe (34) far away from the condensation bin (47) is provided with a distilled water valve (41), the middle position of the inner bottom end of the water dispenser main body (2) is provided with a heating cylinder (16), the top of the heating cylinder (16) is provided with a high-temperature sensor (17), the inner part of the heating cylinder (16) is provided with a heating plate (38), the bottom end of the inner part of the heating cylinder (16) is provided with a second temperature controller (18), the top of the side wall of the microswitch (6) is provided with a hot water pipe (39), the top of the hot water pipe (39) is provided with a steam port (19), the top of the steam port (19) is communicated with the condensation bin (47), one end of the hot water pipe (39) far away, and the hot water pipe (39) is kept away from one end of the heating cylinder (16) and is installed the hot water valve (20), one side of keeping away from the singlechip (21) in the bottom of the cold water tank (3) is installed with the cold water pipe (33), and the one end that the cold water tank (3) was kept away from in the cold water pipe (33) extends to the outside of cold water tank (3), the cold water valve (40) is installed to the one end that the second limiting plate (30) was kept away from in the cold water pipe (33), one side that the inside bottom of water dispenser main part (2) is close to singlechip (21) is installed with heating water container (11), and liquid level sensor (12) is installed at the top of heating water container (11), first temperature controller (14) is installed at the top in the outside of heating water container (11), connecting pipe (15) are installed at the top in the outside of heating water container (11), and connecting pipe (15) are kept away from one, the water dispenser is characterized in that a heating pipe (13) is installed at the bottom end inside the heating water container (11), an instant heating water pipe (9) is arranged on the outer side of the heating pipe (13), one end of the instant heating water pipe (9) is communicated with a connecting pipe (15), a guide pipe (22) is installed on one side, close to the single chip microcomputer (21), of the bottom of the cold water tank (3), a flow pump (7) is installed at the top of the guide pipe (22), a second electromagnetic valve (10) is installed at the bottom of the guide pipe (22), the bottom of the guide pipe (22) is communicated with the bottom of the heating water container (11), one end, far away from the connecting pipe (15), of the instant heating water pipe (9) is communicated with the guide pipe (22), a first electromagnetic valve (8) is installed at one end, far away from the connecting pipe (15), of the instant heating water pipe (9), a storage battery (28) is installed at the middle position of the bottom of the water dispenser main, one side of the water dispenser main body (2) far away from the pneumatic cylinder (23) is hinged with a second pneumatic cylinder (35), the storage battery (28) is respectively and electrically connected with the single chip microcomputer (21), the pneumatic cylinder (23), the second pneumatic cylinder (35), the heating pipe (13), the heating plate (38) and the flow pump (7) through leads, the control panel (42) is respectively and electrically connected with the single chip microcomputer (21), the pneumatic cylinder (23), the second pneumatic cylinder (35), the heating pipe (13), the heating plate (38) and the flow pump (7) through leads, the output ends of the first temperature controller (14), the second temperature controller (18), the high-temperature sensor (17), the micro switch (6) and the liquid level sensor (12) are in telecommunication connection with the input end of the single chip microcomputer (21), and the output end of the single chip microcomputer (21) is respectively and is in telecommunication connection with the first electromagnetic valve (8), the heating pipe (13), the flow pump (7) and the heating plate (38) are electrically connected, and the output end of the hot water valve (20) is in telecommunication connection with the input end of the singlechip (21).

2. The instant heating type no-break large-flux energy-saving hybrid heating system water dispenser of claim 1, characterized in that: the bottom of the water bucket cover (1) is provided with a circle of drain pipes (45), and the bottom of the drain pipes (45) is connected to the top of the cold water tank (3).

3. The instant heating type no-break large-flux energy-saving hybrid heating system water dispenser of claim 1, characterized in that: the instant water pipe (9) is spiral, and the instant water pipe (9) is wound on the outer side of the heating pipe (13).

4. The instant heating type no-break large-flux energy-saving hybrid heating system water dispenser of claim 1, characterized in that: remove wheel (24) are installed to the bottom of pneumatic cylinder (23), universal seat (36) are installed to the bottom of second pneumatic cylinder (35), and sucking disc (37) are installed to the bottom of universal seat (36).

5. The instant heating type no-break large-flux energy-saving hybrid heating system water dispenser of claim 1, characterized in that: the water dispenser is characterized in that mounting grooves (25) are formed in four corners of the bottom of the water dispenser main body (2), a shock absorber (26) is arranged inside each mounting groove (25), and universal wheels (27) are mounted at the bottom of each shock absorber (26).

6. The instant heating type no-break large-flux energy-saving hybrid heating system water dispenser of claim 1, characterized in that: three groups of condensation racks (46) are uniformly installed in the condensation bin (47), and a guide plate which is downwards inclined to the inlet of the distilled water pipe (34) is installed at the bottom of each condensation rack (46).

7. The instant heating type no-break large-flux energy-saving hybrid heating system water dispenser of claim 1, characterized in that: one side of keeping away from singlechip (21) at water dispenser main part (2) top is installed slot (32), and the inside of slot (32) is inserted and is equipped with picture peg (31), second limiting plate (30) are installed at the top of picture peg (31), and first limiting plate (29) are installed at the top of second limiting plate (30), and the contained angle of first limiting plate (29) and second limiting plate (30) is 120, first limiting plate (29) are the arc with second limiting plate (30).