CN219035698U - Exhaust valve - Google Patents

Abstract

The utility model discloses an exhaust valve, which relates to the technical field of valves and comprises a valve body, wherein one end of the valve body is provided with an opening, and the other end of the valve body is communicated with a pipeline; a float movably positioned in the valve body; the guide limiting body is connected to the floater and is movably matched with the inner wall of the valve body; one end of the conducting body is communicated with the opening, and the other end of the conducting body is provided with a conical bulge; the movable body is matched with the conical bulge, and one end of the movable body, which is far away from the guide body, is matched with the guide limiting body; and the elastic body is sleeved outside the conducting body and the movable body. The utility model has the technical effects that the lifting stability of the floater is ensured, and the sealing performance of the exhaust port is also ensured to be good.

Description

Exhaust valve

Technical Field

The utility model relates to the technical field of valves, in particular to an exhaust valve.

Background

The exhaust valve is a valve for exhausting, is widely applied to related systems such as an independent heating system, a central heating system and the like, and is convenient for the related systems to realize automatic exhaust.

However, the lifting stability of the floater of the related exhaust valve is poor, so that certain hysteresis can be generated in exhaust, the floater is blocked, the exhaust valve loses an automatic exhaust function, meanwhile, the tightness of the exhaust port of the related exhaust valve is poor, when the exhaust port is in a closed state, part of liquid in the exhaust valve can be discharged from the exhaust port, and therefore the pertinence of the exhaust port is poor.

Disclosure of Invention

Aiming at the technical problems, the utility model provides the exhaust valve, which not only can ensure that the lifting stability of a floater is good, but also can ensure that the sealing performance of an exhaust port is good.

In order to solve the problems, the technical scheme provided by the utility model is as follows:

an exhaust valve, comprising:

the valve body is provided with an opening at one end, and the other end of the valve body is communicated with a pipeline;

a float movably positioned within the valve body;

the guide limiting body is connected to the floater and is in movable fit with the inner wall of the valve body;

the valve body is provided with an opening, one end of the opening is communicated with the valve body, and the other end of the opening is provided with a conical protrusion;

the movable body is matched with the conical bulge, and one end of the movable body, which is far away from the guide body, is matched with the guide limiting body;

and the elastic body is sleeved outside the guide body and the movable body.

Optionally, the method further comprises:

a first support plate connected to one side of the float;

a second supporting plate connected to the other side of the floater;

the first supporting plate and the second supporting plate are connected with the guiding limiting body.

Optionally, the method further comprises:

one end of the first reinforcing plate is connected with the first supporting plate, and the other end of the first reinforcing plate is connected with the floater;

and one end of the reinforcing plate II is connected with the supporting plate II, and the other end of the reinforcing plate II is connected with the floater.

Optionally, a first spiral groove is formed outside the conducting body, a second spiral groove is formed outside the movable body, and the elastic body is located in the first spiral groove and the second spiral groove.

Optionally, the size of the conical protrusion gradually decreases along the direction from the conducting body to the movable body.

Optionally, the valve body includes:

a valve body I;

a valve body II detachably connected with the valve body I;

the sealing ring is positioned at the joint of the first valve body and the second valve body;

the valve body I is provided with an opening, the valve body II is used for being communicated with a pipeline, the floater is movably arranged in the valve body I and the valve body II, the guiding limiting body is movably matched with the inner wall of the valve body I, and the conducting body is connected to the valve body I.

Optionally, the valve further comprises a filter screen assembly, one end of the filter screen assembly is communicated with the other end of the valve body, and the other end of the filter screen assembly is communicated with a pipeline.

Optionally, the conducting body comprises a conducting body connected to the valve body, a first channel and a second channel which are mutually communicated are arranged on the conducting body, one end of the first channel, which is far away from the second channel, is communicated with the interior of the valve body, one end of the second channel, which is far away from the first channel, is communicated with the opening, the conical protrusion is connected to the conducting body, and the elastic body is sleeved outside the conducting body.

Optionally, the movable body includes:

the movable body is matched with the guide limiting body;

a seal coupled to the movable body, the seal being mated with the tapered protrusion;

wherein the elastic body is sleeved outside the movable body.

Optionally, the method further comprises:

the plugging piece is detachably connected to the valve body and is positioned in the opening;

and one end of the flexible strip is connected with the plugging piece, and the other end of the flexible strip is connected with the valve body.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects: when the gas in the pipelines of the related systems such as the independent heating system, the central heating system and the like is less, the liquid level of the independent heating system is higher, so that the liquid level in the valve body is higher, the floater is positioned at the top of the valve body, at the moment, the elastic body is in a normal state, the movable body and the conical bulge are in a matched state, the guide limiting body and the movable body are in a separated state, so that the exhaust valve is in a closed state, and the movable body and the conical bulge are matched, so that the contact area of the movable body and the conical bulge is favorably reduced, the pressure between the movable body and the conical bulge can be effectively increased under the condition that the pressure is unchanged, the connection tightness of the movable body and the conical bulge is effectively increased, the tightness of the connection part of the movable body and the conical bulge is further improved, partial liquid of the valve body is prevented from being discharged, and the pertinence of the exhaust valve is ensured to be good; the guide limiting body is also used for being movably matched with the inner wall of the valve body, and has good guide effect on the floater in the lifting process of the floater, so that the lifting stability of the floater is good, and the guide limiting body can be an arc-shaped body.

Drawings

FIG. 1 is a schematic diagram of an exhaust valve according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of an exhaust valve;

FIG. 3 is a cross-sectional view of A-A of FIG. 2;

FIG. 4 is a schematic diagram of a partial structure of an exhaust valve according to an embodiment of the present utility model;

FIG. 5 is a partial view of B in FIG. 3;

FIG. 6 is a schematic view of a filter screen assembly;

in the figure: 1. a valve body; 11. a valve body I; 111. an opening; 12. a valve body II; 2. a float; 3. a guiding limit body; 4. a conductive body; 41. spiral groove I; 42. a conducting body; 43. a first channel; 44. a second channel; 5. a movable body; 51. spiral groove II; 52. a movable body; 53. a seal; 6. a blocking member; 7. a conical protrusion; 8. an elastomer; 9. a seal ring; 100. a first supporting plate; 110. a second supporting plate; 120. a first reinforcing plate; 130. a reinforcing plate II; 140. a flexible strip; 150. a screen assembly.

Detailed Description

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples.

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings. The first, second, etc. words are provided for convenience in describing the technical scheme of the present utility model, and have no specific limitation, and are all generic terms, and do not constitute limitation to the technical scheme of the present utility model. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying 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 thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The technical schemes in the same embodiment and the technical schemes in different embodiments can be arranged and combined to form a new technical scheme without contradiction or conflict, which is within the scope of the utility model.

Example 1

With reference to fig. 1-6, this embodiment provides an exhaust valve comprising:

the valve body 1, one end of the valve body 1 is provided with an opening 111, and the other end of the valve body 1 is used for communicating with a pipeline;

a float 2 movably positioned in the valve body 1;

the guiding limiting body 3 is connected to the floater 2, and the guiding limiting body 3 is movably matched with the inner wall of the valve body 1;

the conducting body 4 is connected to the valve body 1, one end of the conducting body 4 is communicated with the opening 111, and the other end of the conducting body 4 is provided with a conical bulge 7;

a movable body 5 matched with the conical bulge 7, wherein one end of the movable body 5 away from the guide body 4 is matched with the guide limiting body 3;

and an elastic body 8 sleeved outside the conducting body 4 and the movable body 5.

Specifically, when the gas in the pipelines of related systems such as an independent heating system, a central heating system and the like is less, the liquid level is higher, so that the liquid level in the valve body 1 is higher, the floater 2 is positioned at the top of the valve body 1, at the moment, the elastic body 8 is in a normal state, the movable body 5 and the conical bulge 7 are in a matched state, the guide limiting body 3 and the movable body 5 are in a separated state, so that the exhaust valve is in a closed state, the contact area of the movable body 5 and the conical bulge 7 is favorably reduced due to the matching of the movable body 5 and the conical bulge 7, under the condition that the pressure is unchanged, the pressure between the movable body 5 and the conical bulge 7 can be effectively increased, so that the connection tightness of the movable body 5 and the conical bulge 7 is effectively increased, the sealing performance of the joint of the movable body 5 and the conical bulge 7 is good, partial liquid of the valve body 1 is prevented from being discharged, and the pertinence of the exhaust valve is ensured to be good; when more gas exists in the pipelines of related systems such as an independent heating system, a central heating system and the like, the gas is positioned at the top of the valve body 1 because the specific gravity of the gas is smaller than that of water, so that the liquid level in the valve body 1 becomes low, the guiding limiting body 3 is matched with the movable body 5 to extend the elastic body 8, the movable body 5 is separated from the conical bulge 7, the exhaust is finally realized, and when the gas content in the valve body 1 is reduced to a certain range, the exhaust valve is closed, so that the automatic exhaust of the exhaust valve is realized; the guiding limiting body 3 is also used for being movably matched with the inner wall of the valve body 1, and has good guiding effect on the floater 2 in the lifting process of the floater 2, so that the lifting stability of the floater 2 is good, and the guiding limiting body 3 can be an arc-shaped body; the material of the float 2 may be polypropylene.

Further, the method further comprises the following steps:

a first support plate 100 connected to one side of the float 2;

a second support plate 110 connected to the other side of the float 2;

wherein, the first supporting plate 100 and the second supporting plate 110 are both connected with the guiding limiting body 3.

Specifically, the first support plate 100 and the second support plate 110 are both used for supporting the guiding limiting body 3, so that the stability of the guiding limiting body 3 is increased, a good guiding effect on the floater 2 is ensured, and further the lifting stability of the floater 2 is good.

Further, the method further comprises the following steps:

one end of the reinforcing plate I120 is connected with the supporting plate I100, and the other end of the reinforcing plate I120 is connected with the floater 2;

one end of the reinforcing plate II 130 is connected with the supporting plate II 110, and the other end of the reinforcing plate II 130 is connected with the floater 2.

Specifically, the reinforcing plate one 120 is used for increasing the strength of the supporting plate one 100, so as to increase the strength of the guiding limiting body 3, ensure the good guiding effect on the floater 2, and further ensure that the lifting stability of the floater 2 is good; the reinforcing plate II 130 is used for increasing the strength of the supporting plate II 110, so that the strength of the guiding limiting body 3 is increased, the good guiding effect on the floater 2 is ensured, and the lifting stability of the floater 2 is further improved.

Further, the first spiral groove 41 is arranged outside the conducting body 4, the second spiral groove 51 is arranged outside the movable body 5, and the elastic body 8 is located in the first spiral groove 41 and the second spiral groove 51.

Specifically, the first spiral groove 41 and the second spiral groove 51 are both used for generating a good axial limiting effect on the elastic body 8, so that the stability of the elastic body 8 can be effectively ensured.

Further, the tapered protrusion 7 gradually decreases in size in the direction from the conductive body 4 to the movable body 5.

Specifically, it is convenient to make the movable body 5 and the tapered protrusion 7 fit and separate gradually, and at the same time, the distance between the guiding limit body 3 and the tapered protrusion 7 can be increased, and according to the lever principle, the movable body 5 and the tapered protrusion 7 are convenient to fit and separate.

Further, the valve body 1 includes:

a valve body I11;

a valve body II 12 detachably connected to the valve body I11;

a sealing ring 9 positioned at the joint of the valve body I11 and the valve body II 12;

the opening 111 is formed in the first valve body 11, the second valve body 12 is used for communicating with a pipeline, the floater 2 is movably located in the first valve body 11 and the second valve body 12, the guiding limiting body 3 is movably matched with the inner wall of the first valve body 11, and the conducting body 4 is connected to the first valve body 11.

Specifically, the disassembly and assembly between the first valve body 11 and the second valve body 12 are convenient; the sealing ring 9 is favorable for increasing the sealing performance between the first valve body 11 and the second valve body 12, and the sealing ring 9 can be made of nitrile rubber, silicon rubber and the like.

Further, the valve further comprises a filter screen assembly 150, one end of the filter screen assembly 150 is communicated with the other end of the valve body 1, and the other end of the filter screen assembly 150 is communicated with a pipeline.

Specifically, the screen assembly 150 prevents foreign matter from entering the valve body 1, thereby preventing the float 2 from being disabled in ascending and descending.

Further, the conducting body 4 comprises a conducting body 42 connected to the valve body 1, the conducting body 42 is provided with a first channel 43 and a second channel 44 which are mutually communicated, one end of the first channel 43 away from the second channel 44 is communicated with the interior of the valve body 1, one end of the second channel 44 away from the first channel 43 is communicated with the opening 111, the conical protrusion 7 is connected to the conducting body 42, and the elastic body 8 is sleeved outside the conducting body 42.

Specifically, the conducting body 42 is used for carrying a first channel 43 and a second channel 44, and both the first channel 43 and the second channel 44 are used for exhausting.

Further, the movable body 5 includes:

a movable body 52 matched with the guide limiting body 3;

a seal 53 attached to the movable body 52, the seal 53 being engaged with the tapered protrusion 7;

wherein the elastic body 8 is sleeved outside the movable body 52.

Specifically, the movable body 52 is used for bearing the sealing element 53, the sealing element 53 is used for sealing, and the sealing element 53 may be made of nitrile rubber, silicone rubber, or the like.

Further, the method further comprises the following steps:

a blocking piece 6 detachably connected to the valve body 1, the blocking piece 6 being located in the opening 111;

and one end of the flexible strip 140 is connected with the plugging piece 6, and the other end of the flexible strip 140 is connected with the valve body 1.

Specifically, the plugging piece 6 is used for realizing the opening and closing of the valve body 1, and the plugging piece 6 can be a countersunk head screw, a half countersunk head screw and the like; the flexible strip 140 is convenient for ensuring that the valve body 1 and the plugging piece 6 are not separated even if the valve body 1 and the plugging piece 6 are in a non-connected state, and the flexible strip 140 can be made of plastic.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims (10)

1. An exhaust valve, comprising:

the valve body is provided with an opening at one end, and the other end of the valve body is communicated with a pipeline;

a float movably positioned within the valve body;

the guide limiting body is connected to the floater and is in movable fit with the inner wall of the valve body;

the valve body is provided with an opening, one end of the opening is communicated with the valve body, and the other end of the opening is provided with a conical protrusion;

the movable body is matched with the conical bulge, and one end of the movable body, which is far away from the guide body, is matched with the guide limiting body;

and the elastic body is sleeved outside the guide body and the movable body.

2. The exhaust valve according to claim 1, further comprising:

a first support plate connected to one side of the float;

a second supporting plate connected to the other side of the floater;

the first supporting plate and the second supporting plate are connected with the guiding limiting body.

3. The exhaust valve according to claim 2, further comprising:

one end of the first reinforcing plate is connected with the first supporting plate, and the other end of the first reinforcing plate is connected with the floater;

and one end of the reinforcing plate II is connected with the supporting plate II, and the other end of the reinforcing plate II is connected with the floater.

4. A vent valve according to any one of claims 1-3, wherein the conducting body is provided with a first spiral groove, the movable body is provided with a second spiral groove, and the elastic body is positioned in the first spiral groove and the second spiral groove.

5. A vent valve in accordance with any one of claims 1-3 wherein the tapered protrusion decreases in size in the direction from the conductive body to the movable body.

6. A vent valve according to any one of claims 1-3, wherein the valve body comprises:

a valve body I;

a valve body II detachably connected with the valve body I;

the sealing ring is positioned at the joint of the first valve body and the second valve body;

the valve body I is provided with an opening, the valve body II is used for being communicated with a pipeline, the floater is movably arranged in the valve body I and the valve body II, the guiding limiting body is movably matched with the inner wall of the valve body I, and the conducting body is connected to the valve body I.

7. A vent valve according to any one of claims 1-3, further comprising a screen assembly, one end of the screen assembly in communication with the other end of the valve body, the other end of the screen assembly being adapted to be in communication with a conduit.

8. A vent valve according to any one of claims 1-3, wherein the conductive body comprises a conductive body connected to the valve body, the conductive body is provided with a first channel and a second channel which are communicated with each other, one end of the first channel away from the second channel is communicated with the interior of the valve body, one end of the second channel away from the first channel is communicated with the opening, the conical protrusion is connected to the conductive body, and the elastomer is sleeved outside the conductive body.

9. A vent valve according to any one of claims 1-3, wherein the movable body comprises:

the movable body is matched with the guide limiting body;

a seal coupled to the movable body, the seal being mated with the tapered protrusion;

wherein the elastic body is sleeved outside the movable body.

10. A vent valve as in any one of claims 1-3, further comprising:

the plugging piece is detachably connected to the valve body and is positioned in the opening;

and one end of the flexible strip is connected with the plugging piece, and the other end of the flexible strip is connected with the valve body.

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