CN220706474U - Water flow switch and heating and ventilation equipment - Google Patents
Water flow switch and heating and ventilation equipment Download PDFInfo
- Publication number
- CN220706474U CN220706474U CN202322140570.8U CN202322140570U CN220706474U CN 220706474 U CN220706474 U CN 220706474U CN 202322140570 U CN202322140570 U CN 202322140570U CN 220706474 U CN220706474 U CN 220706474U
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- water flow
- target
- flow switch
- body structure
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 105
- 238000010438 heat treatment Methods 0.000 title claims abstract description 7
- 238000009423 ventilation Methods 0.000 title claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 50
- 230000006698 induction Effects 0.000 claims description 22
- 230000005489 elastic deformation Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 230000007774 longterm Effects 0.000 abstract description 6
- 239000013013 elastic material Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Abstract
The utility model discloses a water flow switch and heating and ventilation equipment, wherein the water flow switch comprises: a main body structure; the swinging component can be arranged on the main body structure in a swinging way, the swinging component is inserted into the main body structure, and at least part of the swinging component is positioned outside the main body structure; and the sealing piece is matched with the swinging assembly and the main body structure respectively and seals the combination position of the swinging assembly and the main body structure. According to the water flow switch, the sealing piece is arranged between the main body structure and the swinging component, the swinging position between the main body structure and the swinging component is sealed, and water flow driving the swinging component to swing can be prevented from entering the main body structure, so that the inside of the water flow switch is prevented from being influenced by water flow in the long-term use process.
Description
Technical Field
The utility model relates to the technical field of control switches, in particular to a water flow switch and heating and ventilation equipment.
Background
This section provides merely background information related to the present disclosure and is not necessarily prior art.
The medium circulation pipeline of some equipment is often provided with the water flow switch, because the water flow switch needs to be connected in the circulation pipeline, water in the pipeline permeates into the water flow switch very easily, especially in the low temperature environment below 0 ℃, water permeated into the water flow switch can not flow, the parts in the water flow switch are frozen easily under the low temperature state, so that the parts can not play a role, the water flow switch is always kept in a normally closed or normally open state, and the normal operation of the equipment is influenced.
Disclosure of Invention
The utility model aims to at least solve the technical problem that water flow easily permeates into a water flow switch. The aim is achieved by the following technical scheme:
the first aspect of the present utility model provides a water flow switch comprising:
a main body structure;
the swinging component can be arranged on the main body structure in a swinging way, the swinging component is inserted into the main body structure, and at least part of the swinging component is positioned outside the main body structure;
and the sealing piece is matched with the swinging assembly and the main body structure respectively and seals the combination position of the swinging assembly and the main body structure.
According to the water flow switch, the sealing piece is arranged between the main body structure and the swinging component, the swinging position between the main body structure and the swinging component is sealed, and water flow driving the swinging component to swing can be prevented from entering the main body structure, so that the inside of the water flow switch is prevented from being influenced by water flow in the long-term use process.
In addition, the water flow switch according to the utility model can also have the following additional technical characteristics:
in some embodiments of the utility model, the seal has a first connection end and a second connection end, and a flexible bellows disposed between the first connection end and the second connection end,
the first connecting end is in sealing connection with the swinging component, and the second connecting end is in sealing connection with the main body structure.
In some embodiments of the utility model, the flexible telescoping portion has an elastically deformable structure having an amount of elastic deformation that is compatible with an amount of rotation of the target rod of the wobble assembly.
In some embodiments of the utility model, the body structure comprises a housing and a closure assembly, the housing having a mounting cavity therein, the closure assembly being mounted to the mounting cavity, the swing assembly being swingably mounted to the closure assembly,
the first connecting end is arranged between the plugging assembly and the mounting cavity, or is arranged on the outer side of the main body structure.
In some embodiments of the utility model, the outer surface of the flexible extension in a relaxed state is concave or convex.
In some embodiments of the utility model, the oscillating assembly comprises a target and a target, at least a portion of the target extending outside of the body structure and being coupled to the target.
In some embodiments of the present utility model, along an axial direction of the target rod, the projection of the sealing member is a circular ring structure, wherein the projection of the first connection end is an inner ring of the circular ring structure, and the projection of the second connection end is an outer ring of the circular ring structure.
In some embodiments of the present utility model, the first connection end is extended along a central axis direction of the target rod or the target piece, and a part of the target rod or the target piece is covered by the first connection end in a circumferential direction;
the second connecting end extends along the central axis direction of the target rod or the target piece, and wraps part of the main body structure.
In some embodiments of the utility model, the target rod and the target piece are of unitary construction;
the water flow switch further comprises a first magnetic induction assembly and a second magnetic induction assembly, wherein the first magnetic induction assembly is arranged at one end part of the target rod, and the one end part of the target rod is arranged in the mounting cavity of the shell;
the second magnetic induction assembly is arranged outside the main body structure and can be in magnetic attraction fit with the first magnetic induction assembly.
In some embodiments of the utility model, the water flow switch further comprises a protection assembly comprising a sleeve head and a tubular member, the sleeve head is sleeved on one side of the main body structure close to the plugging assembly in the mounting cavity, the tubular member is sleeved on the target piece and part of the target rod,
the tubular member is connected to the hub.
The utility model also provides heating and ventilation equipment, wherein the circulating system comprises a circulating pipeline and a water flow switch;
the water flow switch is arranged on the circulating pipeline;
the water flow switch is any one of the water flow switches.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
fig. 1 schematically shows a schematic structure of a water flow switch according to an embodiment of the present utility model;
fig. 2 schematically illustrates a structural schematic view of a sealing member of a water flow switch according to an embodiment of the present utility model, wherein a wrinkle of the sealing member is illustrated;
FIG. 3 schematically illustrates a structural schematic view of a seal of a water flow switch according to an embodiment of the present utility model, showing the outer surface of the flexible telescoping portion as a concave surface;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 schematically illustrates a structural schematic view of a seal of a water flow switch according to an embodiment of the present utility model, showing the outer surface of the flexible telescoping portion being convex;
fig. 6 is a cross-sectional view of fig. 5.
The reference numerals are as follows:
100. a water flow switch;
110. a main body structure; 111. A mounting cavity; 112. A plugging assembly;
120. a swing assembly; 121. A target rod; 122. A target;
130. a seal; 131. a first connection end; 132. a second connection end; 133. a flexible extension part; 1331. a concave surface; 1332. a convex surface;
134. a circular ring structure; 1341. an inner ring; 1342. an outer ring;
140. a protection component; 141. a sleeve head; 142. a tubular member;
151. a first magnetic induction assembly; 152. and a second magnetic induction assembly.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For ease of description, spatially relative terms, such as "inner," "outer," "lower," "below," "upper," "above," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.
In an embodiment of the present utility model, the water flow switch 100 includes a main structure 110, a swing assembly 120 and a sealing member 130, wherein the swing assembly 120 is swingably disposed on the main structure 110, the swing assembly 120 is inserted into the main structure 110, and at least part of the swing assembly 120 is located outside the main structure 110; the sealing member 130 is engaged with the swing assembly 120 and the main body structure 110, respectively, and seals the coupling position of the swing assembly 120 and the main body structure 110. According to the water flow switch, the sealing piece is arranged between the main body structure 110 and the swinging component 120, the swinging position between the main body structure 110 and the swinging component 120 is sealed, and water flow driving the swinging component to swing can be prevented from entering the main body structure, so that the inside of the water flow switch is prevented from being influenced by water flow in the long-term use process.
When the water flow switch of the utility model is a target type water flow switch, the swinging assembly 120 comprises a target rod 121 and a target piece 122, wherein part of the target rod 121 is inserted into the main body structure 110, and the target rod 121 positioned at the outer side of the main body structure 110 is connected with the target piece 122; the target rod is connected with the target piece, wherein the target piece can be arranged at one end of the target rod to extend to the outside of the main body structure, the target rod can also be integrated with the target piece into a whole structure, one end of the target rod extending out of the main body structure is arranged into a sheet-shaped structure, and the target rod is used as the target piece for increasing the contact area with water flow in water flow, so that the target rod and the target piece swing under the action of the water flow.
The water flow switch 100 of the present utility model further includes a sealing member 130, and the sealing member 130 is respectively engaged with the target rod 121 and the body structure 110, and seals the coupling position of the target rod 121 and the body structure 110. The target 122 is connected with the target 121 and extends out of the main structure 110, and under the action of the water flow, the target 122 swings along the flowing direction of the water flow, so as to prevent the target 121 from entering the main structure 110 along the gap between the target 121 and the main structure 110 during the swinging process, and a sealing member 130 is arranged at the position where the target 121 is connected with the main structure 110, wherein the sealing member 130 can prevent the water flow from entering the main structure 110, and other parts of the main structure 110 generate adverse effects.
It should be noted that, if the gap between the target 121 and the main structure 110 is smaller and a part of water flows into the main structure 110, the water in the main structure 110 is difficult to flow out from the inside of the main structure 110 in a short time, which may adversely affect the magnetic element or the metal element in the main structure 110, and may affect the movement between the components in the main structure 110 in severe cases, and even may cause malfunction of the water flow switch, which may not work normally.
In an embodiment of the present utility model, the sealing member 130 has a first connection end 131 and a second connection end 132, and a flexible extension 133, wherein the flexible extension 133 is disposed between the first connection end 131 and the second connection end 132.
The first connecting end 131 is in sealing connection with the target 121, and the second connecting end 132 is in sealing connection with the main body structure 110.
In this embodiment, the sealing member 130 is provided with a flexible extension portion 133 between the first connection end 131 and the second connection end 132, after the first connection end 131 is connected to the target rod 121, the position of the first connection end 131 is adaptively changed according to the swing of the target rod 121, after the second connection end 132 is connected to the main structure 110, the tight connection between the sealing member 130 and the main structure 110 is maintained, the flexible extension portion 133 can adapt to the swing of the target rod 121 and can form a barrier between the first connection end 131 and the second connection end 132 to block water flow into the main structure 110, the flexible extension portion 133 can cover at least a gap between the target rod 121 and the main structure 110, the target rod 121 can swing along any direction of the main structure 110 under the barrier of the sealing member 130, and the water flow cannot enter the main structure 110.
The first connection end 131 of the sealing member 130 may be connected with the target rod 121 or the target piece 122 in an adhesive manner, and the gap between the first connection end 131 and the target rod 121 or the target piece 122 is sealed by an adhesive, so that water flow can be prevented from entering the main structure during operation of the water flow switch, the first connection end and the target rod or the target piece may be further connected in a sealing manner in an interference fit manner, the sealing connection manner in an interference fit manner is particularly suitable for the situation that the first connection end of the sealing member is only connected with the target rod, and the target rod is used as a revolving body, so that the first connection end is more beneficial to be assembled in an interference fit manner.
The second connection end 132 of the sealing member 130 and the sealing manner of the main body structure 110 may be arranged according to the shape of the main body structure 110, and when the area where the main body structure is connected with the second connection end is an irregular shape or a polyhedral structure, the sealing member is more suitable for fixing the second connection end of the sealing member on the main body structure in an adhesive manner, and the adhesive is used to seal the narrow gap between the main body structure and the sealing member.
The water flow switch 100 in the present embodiment is provided with the seal 130 capable of adapting to the swing of the target 121, wherein, since the flexible extension portion 133 adapts to the swing of the target 121 by means of the expansion and contraction deformation thereof, during the long-term use of the water flow switch 100, even if the gap between the target 121 and the main body structure 110 is properly enlarged, an effective seal can be formed between the target 121 and the main body structure 110 under the blocking of the flexible extension portion 133.
In an embodiment of the present utility model, along the axial direction of the target 121, the projection of the sealing member 130 is a circular ring structure 134, wherein the projection of the first connecting end 131 is an inner ring 1341 of the circular ring structure 134, the projection of the second connecting end 132 is an outer ring 1342 of the circular ring structure 134, in this embodiment, the first connecting end 131 can at least cover the target 121 and be connected with the target 121 in a sealing manner, along the axial direction of the target 121, the first connecting end forms an inner ring 1341 of the circular ring structure 134, the second connecting end 132 is connected with the main body structure 110 in a sealing manner, at least in a circumferential direction, surrounds part of the main body structure 110, and the projection of the second connecting end 132 in the axial direction of the target 121 is an outer ring 1342 of the circular ring structure 134.
In one embodiment of the present utility model, the outer surface of flexible bellows 133 is concave 1331 or convex 1332 in the relaxed state; in this embodiment, the structure of the seal member 130 in the natural state is limited, when the target rod 121 is not acted by water flow, the flexible telescopic portion 133 of the seal member 130 is concave or convex, the outer surface of the seal member 130 at the position of the flexible telescopic portion 133 is concave 1331 or convex 1332, and the seal member 130 in this structure has good deformation of the flexible telescopic portion 133, can adapt to the condition of the larger swing angle of the target rod 121, so that the seal member 130 can always adapt to the relative movement of the target rod 121 and the main body structure 110, and can effectively seal the gap at the joint of the target rod 121 and the main body structure 110.
When the flexible telescopic part of the sealing element is made of flexible materials, the area between the first connecting end and the second connecting end can be set to be concave, and can also be set to be convex or folded, so that the sealing element has larger telescopic amount between the first connecting end and the second connecting end to adapt to the path of the swinging assembly or the target rod during swinging; the sealing piece is arranged to have enough deformation allowance, so that the sealing piece can be prevented from generating traction force when the swinging assembly or the target rod swings, and adverse effects on the precision of the water flow switch are prevented.
When the flexible telescopic part of the sealing element is made of elastic materials, the traction force of the elastic materials to the swinging assembly or the target rod or the target piece is small enough in the deformation process, so that the precision of the water flow switch is not affected, for example, the flexible telescopic part of the sealing element, which is connected to the first connecting end and the second connecting end, can be set to be an inward concave elastic sealing element or an outward convex elastic sealing element, and can be further provided with a folding elastic sealing element, so that the combination position of the swinging assembly and the main body structure is sealed, and water flow is prevented from entering the main body structure.
In an embodiment of the present utility model, the first connection end 131 is extended along the central axis direction of the target 121, and a portion of the target 121 is circumferentially covered by the first connection end 131.
The second connection end 132 extends along the central axis direction of the target 121, and wraps part of the main body structure 110. In the present embodiment, the contact area between the first connection end 131 and the target rod 121 is large, and along the central axis direction of the target rod 121, a part of the rod section of the target rod 121 is covered by the second connection end in the circumferential direction, so that a good sealing effect is formed; the second connection end 132 tightly wraps a portion of the main body structure 110 along the axial direction of the axis of the target rod 121, preventing water flow from contacting the wrapped main body structure 110, and thus preventing water flow from entering the inside of the main body structure 110.
In an embodiment of the present utility model, the flexible extension 133 has an elastic deformation structure, and the elastic deformation amount of the elastic deformation structure is adapted to the rotation amount of the target rod 121. In this embodiment, the flexible extension 133 of the sealing member 130 may be formed as an elastic material, and the elastic material may be formed in the concave portion or the convex portion of the sealing member 130 to provide better adaptability, depending on the deformation thereof to adapt to the swing amount of the target rod 121. It should be noted that, the elastic material should not have too much traction force to the target rod or the swinging component in the deformation process, because the too much traction force can affect the precision of the water flow switch, and can have adverse effects on the opening or closing of the water flow switch, therefore, the flexible telescopic part can be provided with an inward concave elastic structural member, or an outward convex elastic structural member, or a folding elastic structural member, so that the purpose is that the influence on the swinging angle of the swinging component and the precision of the water flow switch is minimum while the flexible telescopic part has enough deformation.
In an embodiment of the present utility model, the main structure 110 includes a housing, a mounting cavity 111 is disposed in the housing, the plugging assembly 112 is disposed in the mounting cavity 111, the target 121 is swingably mounted on the plugging assembly 112, and a first connection end 131 is disposed between the plugging assembly 112 and the mounting cavity 111 to seal a bonding position between the plugging assembly 112 and the mounting cavity 111, the first connection end 131 may also be disposed on an outer side of the main structure 110, at least the first connection end 131 may be coated on the plugging assembly 112, so that the sealing member 130 may effectively seal the bonding position between the main structure 110 and the plugging assembly 112.
In one embodiment of the present utility model, the target 121 and the target 122 are integrally formed; the target 122 type water flow switch 100 further comprises a first magnetic induction assembly 151 and a second magnetic induction assembly 152, wherein the first magnetic induction assembly 151 is arranged at one end part of the target rod 121, and one end part of the target rod 121 is arranged in the mounting cavity 111; the second magnetic induction component 152 is disposed outside the main body structure 110, and can be magnetically engaged with the first magnetic induction component 151.
In this embodiment, the target 122 is connected to the target 121, and the target 121 extends out of the main structure 110, so that the target 122 and the target 121 are integrally configured, and the swing of the target 121 and the target 122 is not delayed or delayed, thereby improving the sensitivity of the water flow switch 100.
The first magnetic induction component is arranged in the installation cavity 111 of the shell, the second magnetic induction component is arranged outside the main body structure 110, and the first magnetic induction component 151 and the second magnetic induction component are matched through magnetic attraction, wherein the first magnetic induction component 151 is arranged at one end part of the target rod 121, so that the swing of the target rod 121 can be driven, acting force generated by magnetic attraction is applied to the target rod 121, the swing sensitivity of the target rod 121 can be improved, and acting force generated by magnetic attraction cannot be attenuated due to long-term use of the water flow switch 100, so that the water flow switch 100 of the embodiment can always maintain higher sensitivity in the long-term use process.
In an embodiment of the present utility model, the water flow switch 100 further includes a protection component 140, the protection component 140 includes a sleeve head 141 and a tubular member 142, the sleeve head 141 is sleeved on the main body structure 110 and is close to one side of the plugging component 112, the tubular member 142 is sleeved on the target 122 and a part of the target rod 121, and the tubular member 142 is connected with the sleeve head 141.
In this embodiment, the protection component 140 protects the structure of the target 122 side of the water flow switch 100 from external impact, the target 122 and part of the target rod 121 are sleeved in the tubular member 142, the tubular member 142 is connected with the sleeve head 141, and then a protection barrier is formed for the outside of the part of the water flow switch 100 extending out of the main body structure 110, when the water flow switch 100 is installed, the tubular member 142 is separated from the sleeve head 141, and the tubular member 142 is removed, so that the water flow switch 100 can be installed in a pipeline.
The water flow switch can prevent the condition that a small amount of water in the pipeline enters the water flow switch due to the fact that the target piece of the water flow switch is connected with the water flow switch main body through the movable joint, if the water enters the water flow switch, the water flow switch is easy to freeze because the gap is smaller, the target piece of the water flow switch is always kept in a normally closed or normally open state, and the normal operation of a machine is influenced.
The utility model also provides heating and ventilation equipment, which comprises a circulating pipeline and a water flow switch; the water flow switch is arranged on the circulating pipeline, and the water flow switch is the water flow switch according to any embodiment.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (11)
1. A water flow switch, the water flow switch comprising:
a main body structure;
the swinging component can be arranged on the main body structure in a swinging way, the swinging component is inserted into the main body structure, and at least part of the swinging component is positioned outside the main body structure;
and the sealing piece is matched with the swinging assembly and the main body structure respectively and seals the combination position of the swinging assembly and the main body structure.
2. The water flow switch of claim 1, wherein the seal has a first connection end and a second connection end, and a flexible telescoping portion disposed between the first connection end and the second connection end,
the first connecting end is in sealing connection with the swinging component, and the second connecting end is in sealing connection with the main body structure.
3. The water flow switch as claimed in claim 2, wherein the flexible telescoping portion has an elastically deformable structure having an amount of elastic deformation that is compatible with an amount of rotation of the target rod of the swing assembly.
4. The water flow switch according to claim 2, wherein the main structure comprises a housing and a blocking assembly, a mounting cavity is arranged in the housing, the blocking assembly is mounted in the mounting cavity, the swinging assembly can be swingably mounted in the blocking assembly,
the first connecting end is arranged between the plugging assembly and the mounting cavity, or is arranged on the outer side of the main body structure.
5. A water flow switch as claimed in claim 2, wherein the outer surface of the flexible extension in a relaxed state is concave or convex.
6. The water flow switch as recited in any one of claims 2-5, wherein the oscillating assembly includes a target and a target, at least a portion of the target extending outside of the body structure and being coupled to the target.
7. The water flow switch of claim 6, wherein the projection of the seal member is a circular ring structure along the axial direction of the target rod, wherein the projection of the first connection end is an inner ring of the circular ring structure, and the projection of the second connection end is an outer ring of the circular ring structure.
8. The water flow switch as claimed in claim 6, wherein the first connection end is extended along a central axis direction of the target rod or the target piece, and a part of the target rod or the target piece is covered by the first connection end in a circumferential direction;
the second connecting end extends along the central axis direction of the target rod or the target piece, and wraps part of the main body structure.
9. The water flow switch of claim 6, wherein said target stem is of unitary construction with said target blade;
the water flow switch further comprises a first magnetic induction assembly and a second magnetic induction assembly, wherein the first magnetic induction assembly is arranged at one end part of the target rod, and the one end part of the target rod is arranged in the mounting cavity of the shell of the main body structure;
the second magnetic induction assembly is arranged outside the main body structure and can be in magnetic attraction fit with the first magnetic induction assembly.
10. The water switch of claim 9, further comprising a protective assembly comprising a sleeve and a tubular member, the sleeve being disposed over the body structure and adjacent to the plug assembly in the mounting cavity, the tubular member being disposed over the target and a portion of the target,
the tubular member is connected to the hub.
11. A heating and ventilation device, which is characterized by comprising a circulating pipeline and a water flow switch;
the water flow switch is arranged on the circulating pipeline;
the water flow switch is as claimed in any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322140570.8U CN220706474U (en) | 2023-08-08 | 2023-08-08 | Water flow switch and heating and ventilation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322140570.8U CN220706474U (en) | 2023-08-08 | 2023-08-08 | Water flow switch and heating and ventilation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220706474U true CN220706474U (en) | 2024-04-02 |
Family
ID=90451209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322140570.8U Active CN220706474U (en) | 2023-08-08 | 2023-08-08 | Water flow switch and heating and ventilation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220706474U (en) |
-
2023
- 2023-08-08 CN CN202322140570.8U patent/CN220706474U/en active Active
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