CN219327863U

CN219327863U - Sealing rubber ring and gas boiler thereof

Info

Publication number: CN219327863U
Application number: CN202223360933.0U
Authority: CN
Inventors: 徐意; 石宏军
Original assignee: Desen Changzhou Energy Equipment Co ltd
Current assignee: Desen Changzhou Energy Equipment Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-07-11
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a sealing rubber ring and a gas boiler thereof. Above-mentioned sealing rubber ring is owing to sealing portion has elastic connection end and sealed end, when discharge conduit inserts rubber ring body portion, discharge conduit inserts along elastic connection end to the direction of sealed end can, simple to operate, when discharge conduit takes place displacement or installation unbalance, owing to seal end under elastic action and the ductility of sealed end of elastic connection end, still can laminate well on discharge conduit's outer wall, makes it under the different circumstances, can play better leak protection liquid air leakage's effect.

Description

Sealing rubber ring and gas boiler thereof

Technical Field

The utility model relates to the technical field of gas boilers, in particular to a sealing rubber ring and a gas boiler thereof.

Background

The gas boiler is characterized in that fuel is a gas boiler, after mixed gas of gas and air is input into a combustion chamber for combustion, high-temperature flue gas and water are subjected to heat exchange in a heat exchanger to provide hot water or water vapor for a user, meanwhile, the high-temperature flue gas subjected to heat exchange flows out from the bottom and is entrained with condensed water, the condensed water is generally led out of a furnace body shell through a water collecting tank, a condensed water collecting device is arranged at the lower end of the water collecting tank and used for collecting the condensed water, most of the condensed water is removed, and flue gas (part of condensed water is also entrained in the flue gas) in the water collecting tank is led out to a chimney through a discharge pipeline for discharge. A sealing rubber ring is arranged between the common water collecting tank and the discharge pipeline to seal the joint between the water collecting tank and the discharge pipeline, so that the phenomenon of liquid leakage and air leakage of smoke entrained with condensed water in the discharge process can be avoided.

The sealing rubber ring between the water collecting tank and the discharge pipeline is a V-shaped sealing ring, which is an elastic rubber sealing ring with axial action, and the sealing lip has better mobility and adaptability, can compensate larger tolerance and angle deviation, can prevent internal liquid or smoke from leaking outwards, and can also prevent external splash or dust from invading. However, when the discharge pipeline is displaced or unbalanced in installation, gaps are easily formed at the joint of the discharge pipeline and the water collecting tank, and when the gaps are larger than the elastic range of the sealing rubber ring, the sealing rubber ring loses the function of water-stopping sealing, so that the water leakage and air leakage phenomenon can be caused.

Disclosure of Invention

In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a sealing rubber ring which solves the traditional problems, has a good effect of preventing liquid leakage and air leakage, is convenient to install and is simple to assemble.

The second object of the utility model is to provide a gas boiler adopting the sealing rubber ring.

One of the purposes of the utility model is realized by adopting the following technical scheme:

the utility model provides a sealed rubber ring for install on a water catch bowl, be equipped with the mounting groove position in the water catch bowl, sealed rubber ring includes annular rubber ring body portion and at least two certainly the sealing that the rubber ring body portion inner wall extends, the external diameter size of rubber ring body portion and the size looks adaptation of mounting groove position, sealing is equipped with elastic connection end and sealing end, elastic connection end with the inner wall of rubber ring body portion links to each other, sealing end with sealing gap has between the inner wall of rubber ring body portion.

Preferably, the angle formed by the sealing end and the inner wall of the rubber ring body part is an acute angle.

Preferably, the angle formed by the sealing end and the inner wall of the rubber ring body part is 20-50 ℃.

Preferably, the angle formed by the sealing end and the inner wall of the rubber ring body part is 25-45 ℃.

Preferably, the thickness of the sealing part from the elastic connection end to the sealing end is gradually increased.

Preferably, the inner wall of the rubber ring body part is provided with a groove for accommodating the sealing part.

Preferably, the length of the groove is equal to or greater than the length of the sealing portion, and the depth of the groove is equal to or less than the thickness of the elastic connection end.

Preferably, the inner wall of the rubber ring body part is further provided with a guide-in protrusion and a spacing protrusion, the guide-in protrusion is arranged at one end of the inner wall of the rubber ring body part and is connected with the elastic connection end of one sealing part, and the spacing protrusion is distributed between the two sealing parts.

Preferably, the outer wall of the rubber ring body part is provided with at least two annular extrusion grooves, and the annular extrusion grooves are uniformly distributed.

The second purpose of the utility model is realized by adopting the following technical scheme:

the utility model provides a gas boiler, includes water catch bowl, exhaust pipe and foretell sealed rubber ring, be equipped with in the water catch bowl and be used for the holding sealed rubber ring's mounting groove position, exhaust pipe is followed sealed rubber ring's sealing portion's elastic connection end inserts to sealed end's direction in the sealed rubber ring, so that exhaust pipe with the water catch bowl seals and links to each other.

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

according to the sealing rubber ring, the sealing part is provided with the elastic connecting end and the sealing end, so that when the discharging pipeline is inserted into the rubber ring body part, the discharging pipeline is inserted into the sealing end along the direction of the elastic connecting end, the sealing rubber ring is convenient to install, the sealing end is attached to the outer wall of the discharging pipeline by means of elastic force, so that the sealing rubber ring can be connected in a sealing mode, when flue gas with condensed water flows out of the water collecting tank, the flue gas blows into a sealing gap, the sealing end can be attached to the outer wall of the discharging pipeline more by means of the pressure of the flue gas and the elasticity of the flue gas, the sealing performance is better, and when the discharging pipeline is displaced or unbalanced in installation, the sealing end can still be attached to the outer wall of the discharging pipeline well under the elastic action of the elastic connecting end and the ductility of the sealing end, so that the sealing rubber ring can play a good role in preventing liquid leakage under different conditions.

Drawings

FIG. 1 is a schematic view of a sealing ring according to a preferred embodiment of the present utility model;

FIG. 2 is a front view of the sealing rubber ring shown in FIG. 1;

FIG. 3 is a rear view of the sealing ring of FIG. 1;

FIG. 4 is a side view of the sealing ring of FIG. 1;

FIG. 5 is a cross-sectional view of the sealing rubber ring shown in FIG. 1;

fig. 6 is an enlarged view at a shown in fig. 5;

fig. 7 is an exploded view of the sealing rubber ring and the water collecting tank of the present embodiment.

In the figure: 100. sealing rubber rings; 10. a rubber ring body part; 11. a groove; 12. a lead-in protrusion; 13. spacing the projections; 14. an annular extrusion groove; 20. a sealing part; 21. an elastic connection end; 22. sealing the end; 200. a water collection tank; 201. and (5) installing a groove.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that 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 number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the description of the present utility model, it will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.

Referring to fig. 1-6, a sealing rubber ring 100 according to a preferred embodiment of the present utility model is configured to be mounted on a water collecting tank 200, wherein a mounting groove 201 is disposed in the water collecting tank 200, the sealing rubber ring 100 comprises an annular rubber ring body 10 and at least two sealing portions 20 extending from an inner wall of the rubber ring body 10, an outer diameter of the rubber ring body 10 is adapted to a size of the mounting groove 201, the sealing portion 20 is provided with an elastic connection end 21 and a sealing end 22, the elastic connection end 21 is connected with the inner wall of the rubber ring body 10, and a sealing gap is provided between the sealing end 22 and the inner wall of the rubber ring body 10. The seal portion 20 is provided in a ring shape.

The sealing rubber ring 100 is arranged through the rubber ring body 10 and the sealing part 20, since the sealing part 20 is provided with the elastic connecting end 21 and the sealing end 22, when the discharging pipeline is inserted into the rubber ring body 10, the discharging pipeline is inserted into the sealing end 22 along the direction of the elastic connecting end 21, the installation is convenient, at the moment, the sealing end 22 is attached to the outer wall of the discharging pipeline by means of elastic force, so that the sealing end 22 can be connected in a sealing manner, when the flue gas with condensed water flows out of the water collecting tank 200, the flue gas blows into a sealing gap, the sealing end 22 can be attached to the outer wall of the discharging pipeline more by means of the pressure of the flue gas and the elasticity of the flue gas, the sealing performance is better, and when the discharging pipeline is displaced or unbalanced in installation, the sealing end 22 can still be attached to the outer wall of the discharging pipeline well under the elastic action of the elastic connecting end 21 and the ductility of the sealing end 22, so that the sealing end 22 can play a good role of preventing liquid leakage under different conditions.

In one embodiment, the sealing end 22 forms an acute angle with the inner wall of the rubber ring body 10. That is, when the discharge pipe is not installed yet, the sealing end 22 can be sprung up with a gap from the inside of the rubber ring body 10 by virtue of the elastic action of the sealing portion 20. After the exhaust pipeline is inserted, the exhaust pipeline can be inserted along with the exhaust pipeline, and the exhaust pipeline are better attached under the action of elasticity and ductility. Further, the sealing end 22 forms an angle of 20-50 ℃ with the inner wall of the rubber ring body portion 10. Preferably, the sealing end 22 forms an angle of 25-45 deg.c with the inner wall of the rubber ring body portion 10.

As shown in fig. 6, the sealing portion 20 is provided with a gradually increasing thickness from the elastic connection end 21 to the sealing end 22. That is, the elastic connection end 21 has the minimum thickness and the sealing end 22 has the maximum thickness, so that the sealing part 20 can form a stepped sealing structure in the rubber ring body part 10 after the exhaust pipe is installed. In this embodiment, the inner wall of the rubber ring body 10 is provided with a groove 11 for accommodating the sealing portion 20, so that the facing surface of the sealing portion 20 can be combined with the rubber ring body 10 to form a combining surface with better sealing performance. Wherein the length of the groove 11 is equal to or greater than the length of the sealing portion 20, and the depth of the groove 11 is equal to or less than the thickness of the elastic connection end 21.

In another embodiment, the inner wall of the rubber ring body 10 is further provided with a guiding protrusion 12 and a spacing protrusion 13, the guiding protrusion 12 is disposed at one end of the inner wall of the rubber ring body 10 and connected to the elastic connection end 21 of one of the sealing parts 20, and the spacing protrusion 13 is distributed between the two sealing parts 20. The guide-in protrusions 12 and the interval protrusions 13 are respectively matched with the arrangement of the two sealing parts 20, so that the elastic connecting ends 21 of the guide-in protrusions can have better extensibility. The outer wall of the rubber ring body 10 is provided with at least two annular extrusion grooves 14, and each annular extrusion groove 14 is uniformly distributed, so that the annular extrusion groove 14 and the sealing part 20 are matched in the installation process of the sealing rubber ring 100 between the discharge pipeline and the water collecting tank 200, and the sealing rubber ring has a good axial effect.

In the present embodiment, the packing 100 is integrally made of a rubber material, that is, the sealing portion 20 has elasticity when the packing 100 is molded.

As shown in fig. 7, the present utility model further provides a gas boiler, including a water collecting tank 200, a discharge pipe, and the sealing rubber ring 100, where an installation groove 201 for accommodating the sealing rubber ring 100 is provided in the water collecting tank 200, and the discharge pipe is inserted into the sealing rubber ring 100 along a direction from an elastic connection end 21 of a sealing portion 20 of the sealing rubber ring 100 to a sealing end 22, so that the discharge pipe is connected with the water collecting tank 200 in a sealing manner, so that the sealing rubber ring 100 can perform a better function of preventing liquid leakage and air leakage, and is convenient to install, and simple assembly between the water collecting tank 200 and the discharge pipe is not required.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The sealing rubber ring is used for being installed on a water collecting tank, an installation groove position is arranged in the water collecting tank, and is characterized by comprising an annular rubber ring body part and at least two sealing parts extending from the inner wall of the rubber ring body part, the outer diameter size of the rubber ring body part is matched with the size of the installation groove position, the sealing parts are provided with elastic connecting ends and sealing ends, the elastic connecting ends are connected with the inner wall of the rubber ring body part, and a sealing gap is reserved between the sealing ends and the inner wall of the rubber ring body part; the inner wall of the rubber ring body part is provided with a groove for accommodating the sealing part; the inner wall of the rubber ring body part is also provided with a guide-in protrusion and a spacing protrusion, the guide-in protrusion is arranged at one end of the inner wall of the rubber ring body part and is connected with the elastic connecting end of one sealing part, and the spacing protrusion is distributed between the two sealing parts.

2. The stripper rubber of claim 1, wherein the sealing end forms an acute angle with an inner wall of the rubber body portion.

3. The sealing gasket of claim 2 wherein the sealing end forms an angle with the inner wall of the gasket body of 20 ℃ to 50 ℃.

4. A packing element according to claim 3, wherein the sealing end forms an angle with the inner wall of the element body of 25 ℃ to 45 ℃.

5. The packing element of claim 2, wherein the sealing portion is provided with a gradually increasing thickness from the elastic connection end to the sealing end.

6. The packing element of claim 1, wherein the groove has a length equal to or greater than a length of the sealing portion and a depth equal to or less than a thickness of the resilient connecting end.

7. The sealing rubber ring according to claim 1, wherein the outer wall of the rubber ring body is provided with at least two annular extrusion grooves, and the annular extrusion grooves are uniformly distributed.

8. A gas boiler characterized by comprising a water collecting tank, a discharge pipeline and the sealing rubber ring as claimed in any one of claims 1-7, wherein a mounting groove for accommodating the sealing rubber ring is arranged in the water collecting tank, and the discharge pipeline is inserted into the sealing rubber ring along the direction from the elastic connection end of the sealing part of the sealing rubber ring to the sealing end, so that the discharge pipeline is connected with the water collecting tank in a sealing way.