CN220083333U - Condensate water backflow preventing device of condensation type water heater - Google Patents

Abstract

The utility model discloses a condensate water backflow preventing device of a condensation type water heater, which relates to the technical field of backflow preventing equipment, and particularly relates to a condensate water backflow preventing device of a condensation type water heater. The use of movable block, movable rod, push pedal, sealed head and prescribing a limit to the pole for the liquid can make sealed head remove at the in-process that carries out the transmission, and then make sealed head and cavity board separate, and then make liquid can transmit to outside receiving pipeline department, and through the use of spring, can produce the power that resets the removal to the movable block, and then make the movable block drive movable rod, push pedal and sealed head and reset work, and then when the liquid appears flowing backwards the phenomenon, can carry out the blocking phenomenon to the liquid of flowing backwards, and then can guarantee that return bend and income liquid pipe department can not appear flowing backwards the liquid.

Description

Condensate water backflow preventing device of condensation type water heater

Technical Field

The utility model relates to the technical field of backflow prevention equipment, in particular to a condensation type water heater condensate water backflow prevention device.

Background

The water heater is a device for changing the temperature of cold water into hot water in a certain time by various physical principles, wherein compared with a common gas water heater, the water heater can preheat cold water by absorbing high-temperature flue gas and then preheating the cold water by the high-temperature flue gas, and the condensation water heater is favored by a user because the heat conversion efficiency can be improved and the gas cost can be saved, but condensate water backflow phenomenon can occur in the process of liquid transmission of the condensation water heater, and further the condensation water backflow preventing device of the condensation water heater is needed.

According to the searching hundred-degree literature, the condensation type water heater condensate water backflow prevention device in the market at present is mainly a pressure relief valve, a safety valve or a backflow valve, water can enter a water tank of the water heater to be heated in the using process of the condensation type water heater, the volume of the water is increased due to expansion, when the water pressure reaches a certain degree, excessive hot water is discharged into a drainage pipeline through opening the pressure relief valve or the safety valve, and then the backflow valve is used for choking the hot water at a cold water inlet, but because the pressure relief valve, the safety valve or the backflow valve is mostly manually controlled or electrically controlled, a worker does not operate the pressure relief valve, the safety valve and the backflow valve or the backflow valve can cause the backflow phenomenon of the liquid, and therefore, the condensation type water heater condensate water backflow prevention device is provided by the utility model.

Disclosure of Invention

The utility model provides a condensate water backflow preventing device of a condensation type water heater, which solves the problems set forth above.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a condensation formula water heater comdenstion water anti-backflow device, includes U type pipe, the equal fixedly connected with deflector in surface of U type pipe top both sides, two the surface of deflector is equipped with swivelling joint's first connecting piece and second connecting piece respectively, the top of first connecting piece is equipped with threaded connection's fluid-discharge tube, the top fixedly connected with first connector of fluid-discharge tube, the top of second connecting piece is equipped with threaded connection's return bend, return bend one end is equipped with threaded connection's income liquid pipe, the one end fixedly connected with second connector of return bend is kept away from to the income liquid pipe, the inside fixedly connected with fender liquid subassembly of U type pipe.

Preferably, the liquid blocking assembly comprises a hollow plate, two moving grooves are formed in the hollow plate, springs are fixedly connected to one sides of the two moving grooves, moving blocks are fixedly connected to the other sides of the springs, movable rods are fixedly connected to one sides of the moving blocks away from the springs, pushing plates are fixedly connected to one sides of the movable rods away from the moving blocks, and sealing heads are fixedly connected to one sides of the pushing plates close to the hollow plate.

Preferably, the top and the bottom of the push plate are contacted with the top and the bottom of the inside of the U-shaped pipe, and the outer diameter of the sealing head is matched with the inner diameter of the hollow plate.

Preferably, the top and the bottom of both sides of the two moving grooves are fixedly connected with limiting rods, the top and the bottom of the moving block are provided with limiting grooves, and the inner diameter of each limiting groove is matched with the outer diameter of each limiting rod.

Preferably, the first connecting piece includes first connecting seat, the top fixedly connected with first screw thread head of first connecting seat, the external diameter looks adaptation of first screw thread head and fluid-discharge tube, first spread groove has been seted up to the bottom of first connecting seat, first sliding tray has been seted up to the internal diameter of first spread groove, the external diameter looks adaptation of first sliding tray and annular plate, the taper type groove has been seted up at the top of first connecting tray, the internal diameter size at taper type groove top equals with the internal diameter size of fluid-discharge tube.

Preferably, the second connecting piece includes the second connecting seat, the top fixedly connected with second screw thread head of second connecting seat, the second spread groove has been seted up to the bottom of second connecting seat, the second sliding tray has been seted up to the internal diameter of second spread groove, the internal diameter of second sliding tray and the external diameter looks adaptation of annular plate, the internal diameter of second screw thread head and the external diameter looks adaptation of return bend, the liquid bath has been seted up at the top of second spread groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. this condensation formula water heater comdenstion water prevents backflow device uses through movable block, movable rod, push pedal, sealed head and the cooperation of prescribing a limit to the pole for the liquid can make sealed head remove at the in-process that carries out the transmission, and then make sealed head and cavity board separate, and then make liquid can transmit to outside receiving pipeline department, and use through the spring for sealed head can produce the power that resets the removal to the movable block when receiving outside force, and then make the movable block drive movable rod, push pedal and sealed head and reset work, and then when the liquid appears the backflow phenomenon, can carry out the phenomenon of jam to the liquid of backflow, and then can guarantee return bend and income liquid pipe department and can not appear, thereby improve the practicality of equipment.

2. This condensation formula water heater comdenstion water prevents backflow device for the vertical length of liquid input side pipeline is longer through the shape of U type pipe self, so if the liquid height of input side liquid is lower, can not make liquid through going into liquid pipe refluence to outside pipeline department, and then can guarantee the anti-reflux nature of equipment, and through the use of annular plate, make first connecting seat and second connecting seat can carry out rotatory work in U type pipe department, and then can let the user dismantle the work to U type pipe alone, and then after the liquid level height of U type pipe input side has certain numerical value, can let the user carry out the work of discharging to the inside liquid of U type pipe, and then can prevent that the liquid from appearing the refluence phenomenon.

Drawings

FIG. 1 is a schematic view of the structure of the present utility model;

FIG. 2 is a front cross-sectional view of the structure of the present utility model;

FIG. 3 is an enlarged view at A of FIG. 2;

fig. 4 is a top cross-sectional view of the structure of the present utility model.

In the figure: 1. a U-shaped tube; 2. a first connector; 3. a liquid discharge pipe; 4. a first connector; 5. a second connector; 6. bending the pipe; 7. a liquid inlet pipe; 8. a second connector; 9. a liquid blocking component; 10. a ring plate; 11. a first connection base; 12. a first thread head; 13. a second connecting seat; 14. a second thread head; 15. a hollow plate; 16. a spring; 17. a moving block; 18. a movable rod; 19. a push plate; 20. a sealing head; 21. defining a stem.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, a condensation type water heater condensate water backflow preventing device comprises a U-shaped pipe 1, the surfaces of two sides of the top of the U-shaped pipe 1 are fixedly connected with annular plates 10, the surfaces of the two annular plates 10 are respectively provided with a first connecting piece 2 and a second connecting piece 5 which are in rotary connection, the top of the first connecting piece 2 is provided with a liquid discharge pipe 3 in threaded connection, the top of the liquid discharge pipe 3 is fixedly connected with a first connecting head 4, the first connecting head 4 is used, the liquid discharge pipe 3 can be connected with an external liquid outlet pipeline in a threaded connection manner, the top of the second connecting piece 5 is provided with an elbow 6 in threaded connection, one end of the elbow 6 is provided with a liquid inlet pipe 7 in threaded connection, one end of the liquid inlet pipe 7 away from the elbow 6 is fixedly connected with a second connecting head 8, and the use of the second connecting head 8 enables the liquid inlet pipe 7 to be connected with an external liquid delivery pipeline in threaded connection manner, and a liquid blocking component 9 is fixedly connected inside the U-shaped pipe 1.

As shown in fig. 2, fig. 3 and fig. 4, the liquid blocking component 9 includes a hollow plate 15, two movable grooves are formed in the hollow plate 15, limiting rods 21 are fixedly connected to the top and the bottom of two sides of the two movable grooves, springs 16 are fixedly connected to one sides of the two movable grooves, movable blocks 17 are fixedly connected to the other sides of the springs 16, limiting grooves are formed in the top and the bottom of the movable blocks 17, the inner diameter of each limiting groove is matched with the outer diameter of each limiting rod 21, movable rods 18 are fixedly connected to one side, far away from the springs 16, of each movable rod 18, a push plate 19 is fixedly connected to one side, far away from the movable blocks 17, of each push plate 19, of each movable rod is in contact with the top and the bottom of the inside of the U-shaped pipe 1, a sealing head 20 is fixedly connected to one side, close to the push plate 19, when the sealing head 20 is subjected to the impact force of liquid, the sealing head 20 can generate moving force on the push plate 19, and then the movable blocks 17 and the movable rods 18 can move to the position of the liquid drain pipe 3, wherein the reaction force of the springs 16 can be made to the inner diameter of the liquid drain the liquid pipe 3, when the sealing head 20 is not subjected to the impact force of the liquid, the sealing head 17 can not reset the inner diameter of the movable blocks 17, and the inner diameter of the movable blocks can not be reduced to the sealing head 20 can be matched with the inner diameter of the hollow plate 20, and the hollow plate 20 can be reset, and the inner diameter of the hollow plate 20 can be further, and the inner diameter of the hollow pipe is further reset, and the inner diameter of the sealing plate is the sealed by the sealing head is the sealing head 20 is the sealed.

Wherein first connecting piece 2 includes first connecting seat 11, the top fixedly connected with first screw thread head 12 of first connecting seat 11, the external diameter looks adaptation of first screw thread head 12 and fluid-discharge tube 3, first spread groove has been seted up to the bottom of first connecting seat 11, first sliding tray has been seted up to the internal diameter of first sliding tray, the external diameter looks adaptation of annular plate 10, the taper groove has been seted up at the top of first spread groove, the internal diameter size at taper groove top equals with the internal diameter size of fluid-discharge tube 3.

The second connecting piece 5 includes a second connecting seat 13, a second threaded head 14 is fixedly connected to the top of the second connecting seat 13, a second connecting groove is formed in the bottom of the second connecting seat 13, a second sliding groove is formed in the inner diameter of the second connecting groove, the second sliding groove and the first sliding groove are formed in the second connecting seat, the first connecting seat 11 and the second connecting seat 13 can rotate on the U-shaped tube 1, a certain amount of liquid is stored in the U-shaped tube 1, a user can separate the first threaded head 12 from the liquid discharge tube 3 and the second threaded head 14 from the bent tube 6 in a reverse rotation mode, the user can independently discharge the liquid in the U-shaped tube 1, the inner diameter of the second sliding groove is matched with the outer diameter of the annular plate 10, the inner diameter of the second threaded head 14 is matched with the outer diameter of the bent tube 6, and a liquid passing groove is formed in the top of the second connecting groove.

According to the working principle, in the use process, a user is required to firstly connect the liquid inlet pipe 7 and the liquid outlet pipe 3 with the external liquid inlet pipe and the external liquid outlet pipe through the first connector 4 and the second connector 8, then one end of the bent pipe 6 is connected with one end of the liquid inlet pipe 7 in a threaded connection mode, one end of the first threaded head 12 is connected with one end of the liquid outlet pipe 3 and one end of the second threaded head 14 is connected with the other end of the bent pipe 6 in a threaded connection mode, then liquid is transmitted to the inside of the liquid inlet pipe 7 through the external liquid inlet pipe, then the liquid is transmitted to the external liquid outlet pipe through the force generated by the liquid transmission pipe, the liquid passes through the bent pipe 6, the U-shaped pipe 1 and the liquid outlet pipe 3, and finally the liquid is transmitted to the external liquid outlet pipe, wherein when the liquid passes through the hollow plate 15, the liquid can generate moving force on the sealing head 20, and then the sealing head 20 drives the push plate 19 to move, the liquid can pass through the liquid outlet pipe 3, after the liquid transmission is finished, one end of the sealing head 20 is connected with one end of the liquid outlet pipe 3, one end of the second threaded head 14 is connected with one end of the liquid outlet pipe 14, one end of the second threaded head 14 is connected with the other end of the liquid outlet pipe, the liquid is transmitted to the liquid inlet pipe 7, the liquid is further moves to the hollow plate 7 through the U-shaped pipe, and the U-shaped pipe 19, and the liquid outlet pipe is further moves to the hollow plate 19, and the hollow plate is further, the liquid is driven by the U-shaped plate 19, and the liquid is further does not move to the hollow plate is 1, and the liquid enters the hollow plate is further, the liquid through the hollow plate is a spring, and the liquid is further, the liquid is further can move the liquid through the U-shaped groove and the liquid is further, and the liquid is 20, and further can prevent the liquid from flowing backwards.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, the description with reference to the terms "one aspect," "some aspects," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present utility model. In this specification, the schematic representations of the above terms are not necessarily for the same scheme or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

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

Claims (6)

1. The utility model provides a condensation formula water heater comdenstion water anti-reflux device, includes U type pipe (1), its characterized in that: the utility model provides a U-shaped pipe (1), the equal fixedly connected with annular plate (10) in surface of U-shaped pipe (1) top both sides, two the surface of annular plate (10) is equipped with swivelling joint's first connecting piece (2) and second connecting piece (5) respectively, the top of first connecting piece (2) is equipped with screwed connection's fluid-discharge tube (3), the top fixedly connected with first connector (4) of fluid-discharge tube (3), the top of second connecting piece (5) is equipped with screwed connection's return bend (6), return bend (6) one end is equipped with threaded connection's income liquid pipe (7), the one end fixedly connected with second connector (8) of return bend (6) are kept away from to income liquid pipe (7), the inside fixedly connected with of U-shaped pipe (1) keeps off liquid subassembly (9).

2. The condensate water backflow prevention device of a condensate water heater according to claim 1, wherein: the liquid blocking assembly (9) comprises a hollow plate (15), two moving grooves are formed in the hollow plate (15), springs (16) are fixedly connected to one sides of the moving grooves, moving blocks (17) are fixedly connected to the other sides of the springs (16), movable rods (18) are fixedly connected to one sides of the moving blocks (17) away from the springs (16), pushing plates (19) are fixedly connected to one sides of the movable rods (18) away from the moving blocks (17), and sealing heads (20) are fixedly connected to one sides of the pushing plates (19) close to the hollow plate (15).

3. The condensate water backflow prevention device of the condensate water heater according to claim 2, wherein: the top and the bottom of the push plate (19) are contacted with the top and the bottom of the inside of the U-shaped pipe (1), and the outer diameter of the sealing head (20) is matched with the inner diameter of the hollow plate (15).

4. The condensate water backflow prevention device of the condensate water heater according to claim 2, wherein: the tops and bottoms of two sides of the moving groove are fixedly connected with limiting rods (21), limiting grooves are formed in the tops and bottoms of the moving blocks (17), and the inner diameter of each limiting groove is matched with the outer diameter of each limiting rod (21).

5. The condensate water backflow prevention device of a condensate water heater according to claim 1, wherein: the first connecting piece (2) comprises a first connecting seat (11), a first thread head (12) is fixedly connected to the top of the first connecting seat (11), the inner diameter of the first thread head (12) is matched with the outer diameter of the liquid discharge pipe (3), a first connecting groove is formed in the bottom of the first connecting seat (11), a first sliding groove is formed in the inner diameter of the first connecting groove, the inner diameter of the first sliding groove is matched with the outer diameter of the annular plate (10), a taper groove is formed in the top of the first connecting groove, and the inner diameter of the top of the taper groove is equal to the inner diameter of the liquid discharge pipe (3).

6. The condensate water backflow prevention device of the condensate water heater of claim 4, wherein: the second connecting piece (5) comprises a second connecting seat (13), a second threaded head (14) is fixedly connected to the top of the second connecting seat (13), a second connecting groove is formed in the bottom of the second connecting seat (13), a second sliding groove is formed in the inner diameter of the second connecting groove, the inner diameter of the second sliding groove is matched with the outer diameter of the annular plate (10), the inner diameter of the second threaded head (14) is matched with the outer diameter of the elbow (6), and a liquid passing groove is formed in the top of the second connecting groove.