CN213119488U

CN213119488U - Gas distributor and gas water heater

Info

Publication number: CN213119488U
Application number: CN202022126196.2U
Authority: CN
Inventors: 吴萌雨; 马曾文; 梁桂源
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-05-04
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a gas distributor and gas heater, wherein, gas distributor includes the casing, is equipped with the air inlet on the casing and along a plurality of nozzles of the long limit direction distribution of casing, the inner chamber and the air inlet of casing and a plurality of nozzle intercommunication and extend along the long limit direction of casing, still including the piston of intracavity including setting up, the piston is connected with the telescoping device, the telescoping device drives the piston and is being close to or keep away from the air inlet direction and remove to adjust the quantity that uses the nozzle. Gas distributor through set up mobilizable piston inside the casing, can realize the infinitely variable control to using nozzle quantity to adjust gas distributor's heating power in great scope, effective control adds the minimum temperature rise of hot water, goes out the problem that the water temperature is too high, scald the user when effectively solving summer use, the security promotes greatly, user experience is good.

Description

Gas distributor and gas water heater

Technical Field

The utility model relates to a domestic appliance especially relates to a gas distributor and gas heater.

Background

The existing constant temperature type gas water heater has the advantages that because the combustor is provided with a plurality of rows of combustion sheets, when the gas proportional valve is opened to the minimum gas quantity opening degree, the flame in a small fire state must be transmitted to all fire rows, the minimum temperature rise of heated water is about 7 ℃, the temperature of the flame is low, condensed water is easy to generate in a hearth, and the service life of machine set parts is shortened. In northern areas, due to the fact that the temperature in summer is high, the temperature of inlet water can be about 30 ℃, the temperature of hot water is about 37 ℃, if the water flow is low, the lowest temperature rise of heated water can be higher than 7 ℃, and the temperature of outlet water can reach 40-50 ℃, so that bathing is inconvenient, users can be easily scalded due to the high temperature of outlet water of a gas water heater in summer, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas distributor and gas heater to solve current gas heater and go out the high technical problem who easily scalds the user, has the potential safety hazard of water temperature when using in summer.

In order to achieve the above object, the utility model discloses a gas distributor and gas heater's concrete technical scheme as follows:

the utility model provides a gas distributor, includes the casing, is equipped with the air inlet on the casing and distributes a plurality of nozzles along the long limit direction of casing, and the inner chamber and the air inlet of casing and a plurality of nozzle intercommunication just extend along the long limit direction of casing, still including setting up the piston in the inner chamber, the piston is connected with the telescoping device, and the telescoping device drives the piston and removes being close to or keeping away from the air inlet direction to adjust the quantity of using the nozzle.

Further, the casing is the hollow box of cuboid, and the air inlet setting is in the one end of cuboid casing diapire, and a plurality of nozzle align to grid set up on the diapire of cuboid casing, and the equidistant distribution of a plurality of nozzles, the periphery and the shells inner wall laminating of piston.

Furthermore, the telescopic device comprises a plurality of groups of telescopic structures which are hinged and fixed, each group of telescopic structures comprises two first supporting rods and two second supporting rods, one first supporting rod and one second supporting rod are hinged to form a pair, the other first supporting rod and the other second supporting rod are hinged to form a pair, the hinged points of the two first supporting rods are respectively connected to two ends of the first connecting rod, and the end parts of the adjacent telescopic structures are hinged to each other.

Furthermore, in the free end of the telescopic device far away from the piston direction, the end part of the second supporting rod is hinged on the inner wall of the shell, and the end part of the first supporting rod is connected with the inner wall of the shell in a sliding mode.

Furthermore, the end parts of the two first supporting rods which are connected with the inner wall of the shell in a sliding mode are respectively connected to the two ends of the second connecting rod, the two ends of the second connecting rod extend out of the outer sides of the two first supporting rods, the end part of the second connecting rod is provided with a roller, the inner wall of the shell is respectively provided with a roller path in the vertical direction, and the roller rolls on the roller paths.

Furthermore, the device also comprises a transmission device connected with the second connecting rod, the transmission device comprises a vertically arranged rack and a gear meshed with the rack, a stop block is sleeved in the middle of the second supporting rod, the end part of the rack is fixed on the stop block, and the gear is fixed on a driving shaft of the motor.

Furthermore, the gear rack further comprises a pulley for supporting the gear rack, the pulley is rotatably arranged between the gear rack and the shell, and the pulley is in rolling contact with the gear rack.

Further, still include the stopper, the stopper includes first micro-gap switch and preforming, and the opposite side of the rack relative with the support is equipped with the support, and the pivot of pulley is the pivoted respectively to be fixed on support and support, and first micro-gap switch sets up on the support, and the preforming setting is at the tip of the rack that is close to the support direction, and motor, first micro-gap switch are connected with the controller electricity, and the first micro-gap switch of preforming contact, controller closing motor.

Furthermore, the stopper still includes second micro-gap switch, and second micro-gap switch sets up on the support that is located motor drive axle one side, and second micro-gap switch is connected with the controller electricity, and dog contact second micro-gap switch, controller shut-down motor.

Furthermore, in the free end of the telescopic device close to the piston direction, the end parts of two first supporting rods are hinged to the piston, the end parts of two second supporting rods are fixedly connected with the two ends of a third connecting rod respectively, the end part of the third connecting rod extends out of the outer sides of the two second supporting rods, a guide rail is arranged on the piston in the vertical direction, a long hole is formed in the guide rail, and the end part of the third connecting rod is inserted into the long hole.

A gas water heater comprises a shell, wherein a heat exchanger is arranged in the shell, and the gas distributor is arranged below the heat exchanger.

The utility model discloses a gas distributor and gas heater have following advantage:

gas distributor through set up mobilizable piston inside the casing, can realize the infinitely variable control to using nozzle quantity to adjust gas distributor's heating power in great scope, effective control adds the minimum temperature rise of hot water, goes out the problem that the water temperature is too high, scald the user when effectively solving summer use, the security promotes greatly, user experience is good.

Drawings

FIG. 1 is a schematic structural view of the gas distributor of the present invention;

fig. 2 is a schematic structural view of the telescopic device of the present invention.

The reference numbers in the figures illustrate: 1. a housing; 11. an air inlet; 12. a nozzle; 2. a piston; 21. a seal ring; 3. a telescoping device; 31. a first support bar; 32. a second support bar; 33. a first link; 34. a second link; 35. a stopper; 36. a roller; 37. a raceway; 4. a transmission device; 41. a gear; 42. a rack; 43. A support; 44. a pulley; 5. a motor; 51. a support; 52. a base plate; 6. a stopper; 61. tabletting; 62. a first microswitch; 63. a second microswitch.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description will be made in detail with reference to the accompanying drawings.

As shown in fig. 1, the application provides a gas distributor, including casing 1, be equipped with air inlet 11 on casing 1 and along casing 1's long limit direction a plurality of nozzles 12 that distribute, casing 1's inner chamber and air inlet 11 and a plurality of nozzles 12 intercommunication and extend along casing 1's long limit direction, still include piston 2, the periphery and the laminating of casing 1 inner wall of piston 2, piston 2 is connected with telescoping device 3, telescoping device 3 drives piston 2 and is being close to or keeping away from 11 direction movements of air inlet, thereby adjust the quantity that uses nozzle 12.

Casing 1 is the hollow box of cuboid or cylinder, and air inlet 11 sets up the one end at 1 diapire of cuboid casing, and a plurality of nozzles 12 align to grid set up on the diapire of cuboid casing 1, and a plurality of nozzles 12 are equidistant.

The periphery of the piston 2 is provided with a sealing ring 21, so that the space in the shell 1 is effectively divided into a use cavity and a standby cavity in a relatively sealed mode.

The telescoping device 3 includes the articulated fixed extending structure of multiunit, and every group extending structure includes two first branches 31 and two second branches 32, and one of them first branch 31 and a second branch 32 are articulated to form a pair ofly, and another first branch 31 and another second branch 32 are articulated to form a pair ofly, and the pin joint of two first branches 31 is connected respectively at the both ends of first connecting rod 33, and adjacent extending structure's tip is articulated each other to promote the stability of telescoping device 3.

In the free end of the telescopic device 3 away from the piston 2, the end of the second strut 32 is rotatably fixed to the inner wall of the housing 1 by means of a hinge mount, and the end of the first strut 31 is slidably connected along the inner wall of the housing 1.

As shown in fig. 2, the ends of the two first struts 31 slidably connected to the inner wall of the housing 1 are respectively connected to two ends of the second link 34, two ends of the second link 34 extend out of the two first struts 31, the end of the second link 34 is provided with a roller 36, the inner wall of the housing 1 is respectively provided with a roller track 37 along the vertical direction, and the roller 36 rolls on the roller track 37, so that the telescoping device 3 can be stretched more stably.

In order to automatically control the extension or contraction of the telescopic device 3, a transmission device 4 is further included, and the transmission device 4 is connected with the second connecting rod 34.

As shown in fig. 2, the transmission device 4 includes a rack 42 vertically disposed and a gear 41 engaged with the rack 42, the middle of the second support rod 32 is sleeved with the stopper 35, the end of the rack 42 is fixed on the stopper 35, the gear 41 is fixed on the driving shaft of the motor 5, the motor 5 is started, the gear 41 drives the rack 42 to ascend and descend, thereby driving the second connecting rod 34 to ascend and descend, further adjusting the included angle between the first support rod 31 and the second support rod 32, the length of the telescopic device 3 changes, finally the piston 2 moves along the direction close to or far away from the air inlet 11, and the number of the nozzles 12 is adjusted.

In order to ensure that the engagement between the gear 41 and the rack 42 is more stable, a pulley 44 for supporting the rack 42 is further included, the pulley 44 is rotatably disposed between the rack 42 and the housing 1, and the pulley 44 is in rolling contact with the rack 42 during the lifting and lowering of the rack 42.

The end parts of the motor 5 are respectively provided with a bracket 51, the driving shaft of the motor 5 rotatably penetrates one bracket 51, one side of the bracket 51 is provided with a support 43, the rack 42 is arranged between the bracket 51 and the support 43, the support 43 is provided with a mounting hole, the rotating shaft of the pulley 44 is respectively and rotatably fixed on the bracket 51 and the support 43, the bracket 51 is fixed on the bottom plate 52, and the bottom plate 52 is fixed on the inner wall of the shell 1.

In order to control the moving range of the rack 42, the stopper 6 is further included, the stopper 6 includes a first microswitch 62 and a pressing sheet 61, the first microswitch 62 is arranged on the support 43, the pressing sheet 61 is arranged at the end part of the rack 42 close to the support 43, the motor 5 and the first microswitch 62 are electrically connected with the controller, during the lifting process of the rack 42, when the pressing sheet 61 contacts the first microswitch 62, the first microswitch 62 is closed, a shutdown signal is triggered to the controller, and the controller shuts off the motor 5.

The limiter 6 further comprises a second microswitch 63, the second microswitch 63 is arranged on the support 51 positioned on one side of the driving shaft of the motor 5, the second microswitch 63 is electrically connected with the controller, and when the stopper 35 contacts the second microswitch 63, the controller closes the motor 5.

The stop block 35 is provided with a U-shaped groove matched with the outer wall of the second connecting rod 34, one side wall of the U-shaped groove is abutted to the end portion of the rack 42, the other side wall of the U-shaped groove is turned outwards to form a mounting wall, mounting holes are formed in the mounting wall and the rack 42 respectively, and the rack 42 and the stop block 35 are fixedly connected through bolts.

In the free end of the telescoping device 3 that is close to piston 2 direction, wherein the tip of two first branches 31 articulates on piston 2, the tip of two second branches 32 sets up the third connecting rod respectively, the tip of third connecting rod stretches out the outside of two second branches 32, be equipped with the guide rail along vertical direction on the piston 2, set up the rectangular hole along vertical direction on the guide rail, the tip of third connecting rod inserts rectangular downthehole, so that the tip of second branch 32 can rotate 2 pistons relatively, and at the flexible in-process of telescoping device 3, second branch 32 goes up and down along vertical direction, thereby it controls to drag piston 2 and remove.

The application also provides a gas water heater, including the shell, set up the heat exchanger side by side in the shell, the heat exchanger comprises the fin that the multi-disc communicates side by side, and the heat exchanger below is equipped with foretell gas distributor, through setting up foretell gas distributor, effectively realizes the infinitely variable control to using 12 quantity of nozzle, solves the problem that the user that the leaving water temperature is too high to cause scalded.

This gas distributor can realize the infinitely variable control to using 12 quantity of nozzles through set up mobilizable piston 2 in 1 inside at the casing to avoid gas distributor's heating power, effective control adds the minimum temperature rise of hot water, effectively solves the problem that the water outlet temperature was too high, scalded the user when using in summer, and the security promotes greatly, and user experience is good.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a gas distributor, including casing (1), be equipped with air inlet (11) on casing (1) and along a plurality of nozzles (12) of long edge direction distribution of casing (1), the inner chamber and air inlet (11) and a plurality of nozzle (12) intercommunication of casing (1) just extend along the long edge direction of casing (1), a serial communication port, still including piston (2) that set up in the inner chamber, piston (2) are connected with telescoping device (3), telescoping device (3) drive piston (2) are being close to or keep away from air inlet (11) direction and are removing, thereby adjust the quantity that uses nozzle (12).

2. The fuel gas distributor according to claim 1, wherein the housing (1) is a cuboid hollow box, the gas inlet (11) is arranged at one end of the bottom wall of the cuboid housing (1), the plurality of nozzles (12) are uniformly arranged on the bottom wall of the cuboid housing (1), the plurality of nozzles (12) are distributed at equal intervals, and the periphery of the piston (2) is attached to the inner wall of the housing (1).

3. The gas distributor according to claim 1, wherein the telescopic device (3) comprises a plurality of groups of fixed telescopic structures in a hinged manner, each group of telescopic structures comprises two first struts (31) and two second struts (32), one first strut (31) and one second strut (32) are hinged to form a pair, the other first strut (31) and the other second strut (32) are hinged to form a pair, the hinged points of the two first struts (31) are respectively connected to two ends of the first connecting rod (33), and the ends of the adjacent telescopic structures are hinged to each other.

4. Gas distributor according to claim 3, characterised in that the free end of the telescopic means (3) remote from the piston (2) has the end of the second strut (32) hinged to the inner wall of the housing (1) and the end of the first strut (31) is slidingly coupled along the inner wall of the housing (1).

5. The gas distributor according to claim 4, characterized in that the ends of two first struts (31) slidably connected to the inner wall of the housing (1) are connected to the ends of a second connecting rod (34), the ends of the second connecting rod (34) extend outside the two first struts (31), the ends of the second connecting rod (34) are provided with rollers (36), the inner wall of the housing (1) is provided with raceways (37) in the vertical direction, and the rollers (36) roll on the raceways (37).

6. The gas distributor according to claim 4, further comprising a transmission device (4) connected with the second connecting rod (34), wherein the transmission device (4) comprises a rack (42) vertically arranged and a gear (41) engaged with the rack (42), the middle part of the second supporting rod (32) is sleeved with a stop block (35), the end part of the rack (42) is fixed on the stop block (35), and the gear (41) is fixed on a driving shaft of the motor (5).

7. Gas distributor according to claim 6, further comprising a pulley (44) for supporting the rack (42), the pulley (44) being rotatably arranged between the rack (42) and the housing (1), the pulley (44) being in rolling contact with the rack (42).

8. The fuel gas distributor according to claim 7, further comprising a stopper (6), wherein the stopper (6) comprises a first micro switch (62) and a pressing piece (61), a support (43) is arranged on the other side of the rack (42) opposite to the support (51), a rotating shaft of the pulley (44) is respectively and rotatably fixed on the support (51) and the support (43), the first micro switch (62) is arranged on the support (43), the pressing piece (61) is arranged at the end part of the rack (42) close to the support (43), the motor (5) and the first micro switch (62) are electrically connected with the controller, the pressing piece (61) contacts the first micro switch (62), and the controller closes the motor (5).

9. Gas distributor according to claim 8, characterized in that the stop (6) further comprises a second microswitch (63), the second microswitch (63) being arranged on the support (51) on the side of the drive shaft of the motor (5), the second microswitch (63) being electrically connected to the controller, the stop (35) being in contact with the second microswitch (63), the controller switching off the motor (5).

10. Gas distributor according to claim 3, characterized in that the free end of the telescopic means (3) close to the piston (2) is hinged to the piston (2) at the ends of two first struts (31), the ends of two second struts (32) are fixedly connected to the ends of a third connecting rod, the ends of the third connecting rod extend outside the two second struts (32), the piston (2) is provided with a guide rail, the guide rail is provided with a long hole along the vertical direction, and the ends of the third connecting rod are inserted into the long hole.

11. A gas water heater comprising a housing in which is disposed a heat exchanger, wherein a gas distributor as claimed in any one of claims 1 to 10 is disposed below the heat exchanger.