CN109727810A - Water flow switch - Google Patents
Water flow switch Download PDFInfo
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- CN109727810A CN109727810A CN201910122540.XA CN201910122540A CN109727810A CN 109727810 A CN109727810 A CN 109727810A CN 201910122540 A CN201910122540 A CN 201910122540A CN 109727810 A CN109727810 A CN 109727810A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 110
- 238000009434 installation Methods 0.000 claims abstract description 50
- 239000011148 porous material Substances 0.000 claims abstract description 23
- 238000010276 construction Methods 0.000 claims description 67
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 230000002265 prevention Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 230000005764 inhibitory process Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 230000003373 anti-fouling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229920003180 amino resin Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Abstract
The present invention provides a kind of water flow switches, comprising: Switch main body, Switch main body have mounting hole；Waterproof jacket, waterproof are set in mounting hole, and mounting hole is divided into the first installation cavity and the second installation cavity, and intercommunicating pore is offered on waterproof jacket, and waterproof jacket is used to for the first installation cavity and the second installation cavity being connected to.The problem of present invention solves water flow switch in the prior art during stopping machine, and action performance is easy to appear deviation.
Description
Technical field
The present invention relates to construction of switch technical fields, in particular to a kind of water flow switch.
Background technique
Water flow switch is a kind of senser element, and after water flow reaches predetermined amount of flow, water flow switch can be converted to water flow
Switching regulator electric signal.Water flow switch is commonly used in electric heater, solar water heater, air conditioner and other water systems, main
It is used in water loop control, disengaging water management, water computer heating control, pump switch control, the control of solenoid valve on-off, water outlet power-off
During control or water outlet power control etc..Requirement due to water flow switch to water quality is very high, when water quality is poor, water flow switch
In use, it is stuck or the problem of get rusty to be easy to appear fouling for magnetic core.
In the prior art, water flow switch includes that Switch main body, fixed stop, magnetic core and target piece, fixed stop are mounted on
In the mounting hole of Switch main body, and mounting hole is divided into the first installation cavity and the second installation cavity, magnetic core is located at the first installation cavity
Interior, one end of target piece is protruded into the first installation cavity and is connect with magnetic core, and the other end of target piece extend out to Switch main body by the second installation cavity
In.Wherein, the target piece of water flow switch is contacted with water, core switch signal is controlled by water flow, so that switching signal be fed back
The adjusting of water flow is realized to automatically controlled control system；Fixed stop can play the effect by magnetic core and water segregation, to avoid
Magnetic core is contacted with water, and it is stuck or the problem of get rusty fouling occur.
But water flow switch in the prior art, during stopping machine, the both ends of fixed stop will appear pressure difference, be easy
The action performance of water flow switch is caused deviation occur.
Summary of the invention
The main purpose of the present invention is to provide a kind of water flow switches, are being stopped with solving water flow switch in the prior art
During machine, the problem of action performance is easy to appear deviation.
To achieve the goals above, the present invention provides a kind of water flow switches, comprising: Switch main body, Switch main body have
Mounting hole；Waterproof jacket, waterproof are set in mounting hole, and mounting hole is divided into the first installation cavity and the second installation cavity, are prevented
Intercommunicating pore is offered on water jacket, waterproof jacket is used to for the first installation cavity and the second installation cavity being connected to.
Further, the diameter of intercommunicating pore is d, 1mm≤d≤2mm.
Further, waterproof jacket with a thickness of a, a≤4mm.
Further, water flow switch further include: magnetic core, magnetic core are arranged in the first installation cavity；Target piece is also opened on waterproof jacket
Equipped with pilot hole, target piece is threaded through at pilot hole, and the first end of target piece protrudes into the first installation cavity and connect with magnetic core, and the of target piece
Two ends are extend out to outside Switch main body by the second installation cavity, and the second end of target piece is the test side for detecting water flow.
Further, mounting hole is stepped hole, including the first hole section and the second hole section being connected, the diameter of the first hole section
Less than the diameter of the second hole section, the connectivity part of the first hole section and the second hole section forms the first stop surface；Waterproof jacket includes being connected
The first construction section and the second construction section, diameter of the diameter less than the second construction section of the first construction section, the first construction section and
The junction of two construction sections forms the second stop surface, and the second stop surface and the first stop surface counter stopper, the first construction section are located at
In first hole section, the second construction section is located in the second hole section；Wherein, the diameter of the first construction section less than the first hole section diameter,
Intercommunicating pore is provided on the second construction section；The part hole section of first hole section forms the first installation cavity, the part hole section of the second hole section
Form the second installation cavity.
Further, the diameter of the second construction section offers the first company on the first stop surface less than the diameter of the second hole section
Connect hole；Water flow switch further include: fixed block, fixed block are pressed on the second construction section, and the second connecting hole is offered on fixed block,
Second connecting hole is oppositely arranged with the first connecting hole；Connector, connector sequentially pass through the second connecting hole and the first connecting hole, with
It is fixedly connected with fixed block with Switch main body, and the second construction section is folded between fixed block and the first stop surface.
Further, fixed block with a thickness of b, 1mm≤b≤2mm.
Further, the avoid holes for avoiding target piece are offered on fixed block；The diameter of avoid holes is less than the second installation
The diameter of section, avoid holes are connected to intercommunicating pore.
Further, the first connecting hole is offered on the first stop surface；Third connecting hole is offered on second construction section, the
Three connecting holes are oppositely arranged with the first connecting hole；Water flow switch further include: connector, connector sequentially pass through third connecting hole and
Waterproof jacket is fixedly connected by the first connecting hole with Switch main body.
Further, along the direction far from the second construction section, the diameter of the outer peripheral surface of the first construction section is gradually reduced.
Further, the axial cross section of the first construction section includes two contour lines formed by the outer peripheral surface of the first construction section
Section, two profile line segments are symmetrical arranged relative to the hole heart line of pilot hole；Wherein, at least partially arc segment of profile line segment.
Further, along the direction far from the second construction section, profile line segment include the first profile sub-line section that is connected and
Second profile sub-line section, first profile sub-line section are arc segment, and the second profile sub-line section is straightway.
Further, arc segment protrudes setting towards the direction of the hole inner wall close to mounting hole.
Further, waterproof jacket is made of silica gel material.
Further, water flow switch further include: scale prevention coating, scale prevention coating are coated on the outer surface of waterproof jacket.
It applies the technical scheme of the present invention, fixed stop is replaced with into waterproof jacket, open up intercommunicating pore on waterproof jacket, first
Installation cavity and the second installation cavity are connected to by intercommunicating pore.In this way, water flow switch, during stopping machine, the both ends of waterproof jacket are not
It will appear pressure difference, deviation occurs in the action performance for effectively preventing water flow switch, improves the service performance of water flow switch.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the water flow switch of embodiment according to the present invention one；
Fig. 2 shows the enlarged structure schematic diagrams at A in Fig. 1；
Fig. 3 shows the structural schematic diagram of the Switch main body of the water flow switch of Fig. 1；
Fig. 4 shows the structural schematic diagram of the waterproof jacket of the water flow switch of Fig. 1；
Fig. 5 shows the structural schematic diagram of the fixed block of the water flow switch of Fig. 1；
Fig. 6 shows the schematic view of the front view of the waterproof jacket of the water flow switch of embodiment according to the present invention two；
Fig. 7 shows the overlooking structure diagram of the waterproof jacket of Fig. 6；
Fig. 8 shows the water flow switch of embodiment according to the present invention three and structural schematic diagram；
Fig. 9 shows the enlarged structure schematic diagram in Fig. 8 at B；
Figure 10 shows the structural schematic diagram of the waterproof jacket of the water flow switch of Fig. 8.
Wherein, the above drawings include the following reference numerals:
10, Switch main body；11, mounting hole；12, the first hole section；13, the second hole section；14, the first stop surface；15, first connects
Connect hole；20, waterproof jacket；200, pilot hole；21, the first construction section；211, profile line segment；212, first profile sub-line section；213,
Second profile sub-line section；22, the second construction section；221, intercommunicating pore；222, third connecting hole；23, the second stop surface；30, magnetic core；
40, target piece；50, fixed block；51, the second connecting hole；52, avoid holes；60, connector；100, nameplate；111, the first installation cavity；
112, the second installation cavity.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.It is right below
The description only actually of at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or use
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, shall fall within the protection scope of the present invention.
In order to solve water flow switch in the prior art during stopping machine, action performance is easy to appear asking for deviation
Topic, the present invention provides a kind of water flow switches.
The application is different according to the specific structure of the waterproof jacket 20 of water flow switch, provides three kinds of embodiments, wherein Fig. 1
It is embodiment one to Fig. 5, Fig. 6 and Fig. 7 are embodiment two, and Fig. 8 to Figure 10 is embodiment three, are carried out below to three embodiments detailed
It is thin to introduce.
Embodiment one
As shown in Figures 1 to 5, water flow switch includes Switch main body 10 and waterproof jacket 20, and Switch main body 10 has mounting hole
11, waterproof jacket 20 is arranged in mounting hole 11, and mounting hole 11 is divided into the first installation cavity 111 and the second installation cavity 112, prevents
Intercommunicating pore 221 is offered on water jacket 20, waterproof jacket 20 is for the first installation cavity 111 to be connected to the second installation cavity 112.
In this application, fixed stop is replaced with into waterproof jacket 20, intercommunicating pore 221, the first peace is opened up on waterproof jacket 20
It behave affectedly and 111 is connected to the second installation cavity 112 by intercommunicating pore 221.In this way, water flow switch is during stopping machine, waterproof jacket
20 both ends are not in pressure difference, and deviation occurs in the action performance for effectively preventing water flow switch, improve water flow switch
Service performance.
As shown in Figure 1 and Figure 4, optionally, the diameter of intercommunicating pore 221 is d, optionally, 1mm≤d≤2mm.Work as intercommunicating pore
When 221 diameter is in above-mentioned numberical range, it can either guarantee that the first installation cavity 111 is connected to the second installation cavity 112, it is effectively anti-
Only there is deviation in the action performance of water flow switch, and can control the water entered in the first installation cavity 111 by intercommunicating pore 221
Flow.
As shown in Figure 1, water flow switch further includes magnetic core 30 and target piece 40, magnetic core 30 is arranged in the first installation cavity 111, prevents
Pilot hole 200 is also provided on water jacket 20, target piece 40 is threaded through at pilot hole 200, and the first end of target piece 40 protrudes into the first installation
Chamber 111 is simultaneously connect with magnetic core 30, and the second end of target piece 40 is extend out to outside Switch main body 10 by the second installation cavity 112, target piece 40
Second end is the test side for detecting water flow.In this way, the test side of the target piece 40 of water flow switch in water system with
Water contact, when water jet propulsion target piece 40 moves right, target piece 40 drives magnetic core 30 to move, in magnetic core 30 and Switch main body 10
Magnetic control means cooperation issues core switch signal and is fed back to switching signal by the flow control core switch signal of water flow
Automatically controlled control system can realize the adjusting of water flow.During water flowing, waterproof jacket 20, which can play, reduces water and magnetic core
30 effect avoids magnetic core 30 from getting rusty or fouling.
The application passes through the structure of optimization water flow switch, come the mistake for slowing down magnetic core fouling, getting rusty and preventing equipment from stopping machine
Remarkable action is caused to the on-off performance of water flow switch in journey, the service life of water flow switch can be effectively improved.
As shown in Figure 1, when water flow flows and target piece 40 is pushed to move right there is centainly target piece 40 in waterproof jacket 20
Reaction force.Wherein, the material of waterproof jacket 20 and waterproof jacket 20 with a thickness of influencing waterproof jacket for 40 reaction force of target piece
Principal element.
Optionally, waterproof jacket 20 is made of silica gel material.In this way, waterproof jacket is smaller for the reaction force of target piece 40.
As depicted in figs. 1 and 2, waterproof jacket 20 with a thickness of a, optionally, a≤4mm.When the thickness of waterproof jacket 20 meets
When stating numberical range, waterproof jacket 20 can be efficiently reduced for the reaction force of target piece 40.
As shown in figure 3, mounting hole 11 is stepped hole, including the first hole section 12 and the second hole section 13 being connected, the first hole
Diameter of the diameter of section 12 less than the second hole section 13, connectivity part the first stop surface of formation of the first hole section 12 and the second hole section 13
14；As shown in Figure 1, Figure 2 and Figure 4, waterproof jacket 20 includes the first construction section 21 and the second construction section 22 being connected, the first installation
Less than the diameter of the second construction section 22, the junction of the first construction section 21 and the second construction section 22 forms second and stops the diameter of section 21
Block face 23,14 counter stopper of the second stop surface 23 and the first stop surface, the first construction section 21 are located in the first hole section 12, the second peace
Dress section 22 is located in the second hole section 13；Wherein, diameter of the diameter of the first construction section 21 less than the first hole section 12, intercommunicating pore 221
It is provided on the second construction section 22；The part hole section of first hole section 12 forms the first installation cavity 111, the partial hole of the second hole section 13
Section forms the second installation cavity 112.In this way, can use the first stop surface when waterproof jacket 20 to be mounted in Switch main body 10
14 and second stop surface 23 cooperate, realize quick positioning to waterproof jacket 20, promote the installation effectiveness of waterproof jacket 20.
As depicted in figs. 1 and 2, the diameter of the second construction section 22 less than the second hole section 13 diameter and be greater than the first hole section 12
Diameter, offer the first connecting hole 15 on the first stop surface 14；Water flow switch further includes fixed block 50 and connector 60, is fixed
Block 50 is pressed on the second construction section 22, and the second connecting hole 51 is offered on fixed block 50, and the second connecting hole 51 is connect with first
Hole 15 is oppositely arranged, and connector 60 sequentially passes through the second connecting hole 51 and the first connecting hole 15, so that fixed block 50 and switch are originally
Body 10 is fixedly connected, and the second construction section 22 is folded between fixed block 50 and the first stop surface 14.In this way, in embodiment one
In, waterproof jacket 20 is fixed on Switch main body 10 by fixed block 50 and connector 60, the dimensional accuracy of waterproof jacket 20 is wanted
Ask lower, meanwhile, waterproof jacket 20 is smaller for the reaction force of target piece 40.
As depicted in figs. 1 and 2, fixed block 50 with a thickness of b, optionally, 1mm≤b≤2mm.As the thickness b of fixed block 50
Size in above-mentioned numberical range when, the intensity of fixed block 50 is higher, lower production costs.
Optionally, the outer diameter of fixed block 50 is adapted with the diameter of the second hole section 13, and the diameter of avoid holes 52 is less than second
The diameter of construction section 22；The diameter of second construction section 22 is greater than the diameter of the first hole section 12, and less than the diameter of the second hole section 13.
Waterproof jacket 20 is reliably mounted on Switch main body 10 by guarantee, and guarantees that intercommunicating pore 221 can be by the first installation cavity 111 and the
Two installation cavitys, 112 reliable connected.
As shown in Figure 1, Figure 2 and shown in Fig. 5, the avoid holes 52 for avoiding target piece 40 are offered on fixed block 50；Avoid holes 52
Diameter less than the diameter of the second construction section 22, avoid holes 52 are connected to intercommunicating pore 221.
Optionally, in order to enhance the connective stability of waterproof jacket 20 Yu Switch main body 10, the connection of the first connecting hole 15, second
The quantity of hole 51 and connector 60 is multiple.Wherein, the first connecting hole 15 is uniformly distributed around the circumferential direction of the first hole section 12, corresponding
Ground, the second connecting hole 51 are uniformly distributed around the circumferential direction of avoid holes 52.
Optionally, connector 60 is bolt, pushes down waterproof jacket 20 with fixed block 50, using the fixed waterproof jacket 20 of bolt, is kept away
Exempt from waterproof jacket 20 to occur sliding shift phenomenon in use.
As shown in figure 4, along the direction far from the second construction section 22, the diameter of the outer peripheral surface of the first construction section 21 gradually subtracts
It is small.In this way, the first construction section 21 stretches in the first hole section 12, can enter in the first installation cavity 111 to by intercommunicating pore 221
Water flow play guiding role, slow down water flow to the impact force of magnetic core 30, promote the service life of magnetic core 30.
As shown in figure 4, the axial cross section of the first construction section 21 includes two formed by the outer peripheral surface of the first construction section 21
Profile line segment 211, two profile line segments 211 are symmetrical arranged relative to the hole heart line of pilot hole 200；Wherein, profile line segment 211
At least partially arc segment.Compared to straightway, the effect for slowing down impact force of arc segment is more preferable.
In the alternative embodiment shown in Fig. 4, all arc segments of profile line segment 211.
As shown in figure 4, arc segment protrudes setting towards the direction of the hole inner wall close to mounting hole 11.
Optionally, water flow switch further includes scale prevention coating, and scale prevention coating is coated on the outer surface of waterproof jacket 20.In this Shen
Please in, be coated with one layer of antifouling coating on the surface of waterproof jacket 20, resin crosslinking curing forms a film antifouling coating at high temperature, possesses good
Shielding well, impervious, scale inhibition performance, thermal conductivity are accumulated to can effectively prevent scale on the surface of waterproof jacket 20.
It optionally, is to reinforce scale inhibition effect, scale prevention coating by adhesive force is 1 grade, scale inhibition coefficient is in 1*104m2.K/W more than
Scale inhibition coating be made.
Optionally, scale prevention coating includes priming paint, finishing coat and solvent.
Optionally, priming paint includes epoxy resin base, amino resins base-material, anti-corrosion paint, thermal conducting pigment and solvent matter.
As shown in Figure 1, water flow switch further includes nameplate 100, nameplate 100 is arranged on Switch main body 10, on nameplate 100
Mark is recorded, mark includes the performance parameter of water flow switch.
Embodiment two
Embodiment two and the difference of embodiment one be, as shown in Figure 6 and Figure 7, along the direction far from the second construction section 22,
Profile line segment 211 includes the first profile sub-line section 212 and the second profile sub-line section 213 being connected, first profile sub-line section 212
For arc segment, the second profile sub-line section 213 is straightway.
Although the effect for slowing down impact force of arc segment is more preferable compared to straightway.But consider the processing of waterproof jacket 20
Difficulty, processing cost and materials cost, further optimize the shape of waterproof jacket 20.In this way, utilizing first profile sub-line section
212 pairs are oriented to by the water flow that intercommunicating pore 221 enters in the first hole section, and water flow is avoided to impact magnetic core 30.
Embodiment three
As shown in Fig. 8 to Figure 10, the first connecting hole 15 is offered on the first stop surface 14；It is offered on second construction section 22
Third connecting hole 222, third connecting hole 222 are oppositely arranged with the first connecting hole 15；Water flow switch further includes connector 60, connection
Part 60 sequentially passes through third connecting hole 222 and the first connecting hole 15, and waterproof jacket 20 is fixedly connected with Switch main body 10.In this way,
Waterproof jacket 20 is directly directly connected to Switch main body 10 by connector 60, to simplify the structure of water flow switch, promotes water
Flow the assembly efficiency of switch.
Optionally, in order to enhance the connective stability of waterproof jacket 20 Yu Switch main body 10, the first connecting hole 15, third connection
The quantity of hole 222 and connector 60 is multiple.Wherein, the first connecting hole 15 is uniformly distributed around the circumferential direction of the first hole section 12, corresponding
Ground, third connecting hole 222 are uniformly distributed around the circumferential direction of pilot hole 200.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements: the application mentions
The water flow switch of confession can efficiently control the flowing of 30 internal water of magnetic core, can reduce impurities in water and magnetic control location contacts,
Avoid magnetic core 30 contacted with water generate scale be deposited in magnetic control position for a long time, thus slow down magnetic core 30 get rusty it is hidden
Suffer from；Compression shock when stopping machine, which can also be effectively prevented, causes the both ends of waterproof jacket 20 pressure difference occur, causes water flow switch dynamic
There is deviation as performance.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (15)
1. a kind of water flow switch characterized by comprising
Switch main body (10), the Switch main body (10) have mounting hole (11)；
The mounting hole (11) is divided by waterproof jacket (20), waterproof jacket (20) setting in the mounting hole (11)
First installation cavity (111) and the second installation cavity (112) offer intercommunicating pore (221), the waterproof jacket on the waterproof jacket (20)
(20) for first installation cavity (111) to be connected to second installation cavity (112).
2. water flow switch according to claim 1, which is characterized in that the diameter of the intercommunicating pore (221) is d, 1mm≤d
≤2mm。
3. water flow switch according to claim 1, which is characterized in that the waterproof jacket (20) with a thickness of a, a≤4mm.
4. water flow switch according to any one of claim 1 to 3, which is characterized in that the water flow switch further include:
Magnetic core (30), magnetic core (30) setting is in first installation cavity (111)；
Target piece (40) is also provided with pilot hole (200) on the waterproof jacket (20), and the target piece (40) is threaded through the pilot hole
(200) at, the first end of the target piece (40) protrudes into first installation cavity (111) and connect with the magnetic core (30), described
The second end of target piece (40) extend out to the Switch main body (10) outside by second installation cavity (112), the target piece (40)
Second end is the test side for detecting water flow.
5. water flow switch according to claim 4, which is characterized in that
The mounting hole (11) is stepped hole, including the first hole section (12) and the second hole section (13) being connected, first hole
The diameter of section (12) is less than the diameter of second hole section (13), the company of first hole section (12) and second hole section (13)
Logical place forms the first stop surface (14)；
The waterproof jacket (20) includes the first construction section (21) and the second construction section (22) being connected, first construction section
(21) diameter is less than the diameter of second construction section (22), first construction section (21) and second construction section (22)
Junction form the second stop surface (23), second stop surface (23) and the first stop surface (14) counter stopper, institute
It states the first construction section (21) to be located in first hole section (12), second construction section (22) is located at second hole section (13)
It is interior；
Wherein, the diameter of first construction section (21) is less than the diameter of first hole section (12), and the intercommunicating pore (221) is opened
It is located on second construction section (22)；The part hole section of first hole section (12) forms first installation cavity (111), institute
The part hole section for stating the second hole section (13) forms second installation cavity (112).
6. water flow switch according to claim 5, which is characterized in that the diameter of second construction section (22) is less than described
The diameter of second hole section (13) offers the first connecting hole (15) on first stop surface (14)；The water flow switch also wraps
It includes:
Fixed block (50), the fixed block (50) are pressed on second construction section (22), open up on the fixed block (50)
Have the second connecting hole (51), second connecting hole (51) is oppositely arranged with first connecting hole (15)；
Connector (60), the connector (60) sequentially pass through second connecting hole (51) and first connecting hole (15),
So that the fixed block (50) is fixedly connected with the Switch main body (10), and second construction section (22) is folded in described
Between fixed block (50) and first stop surface (14).
7. water flow switch according to claim 6, which is characterized in that the fixed block (50) with a thickness of b, 1mm≤b≤
2mm。
8. water flow switch according to claim 6, which is characterized in that offer on the fixed block (50) for avoiding
State the avoid holes (52) of target piece (40)；The diameter of the avoid holes (52) is less than the diameter of second construction section (22), described
Avoid holes (52) are connected to the intercommunicating pore (221).
9. water flow switch according to claim 5, which is characterized in that offer the first company on first stop surface (14)
Connect hole (15)；Offered third connecting hole (222) on second construction section (22), the third connecting hole (222) with it is described
First connecting hole (15) is oppositely arranged；The water flow switch further include:
Connector (60), the connector (60) sequentially pass through the third connecting hole (222) and first connecting hole (15),
The waterproof jacket (20) is fixedly connected with the Switch main body (10).
10. water flow switch according to claim 5, which is characterized in that along far from second construction section (22) direction,
The diameter of the outer peripheral surface of first construction section (21) is gradually reduced.
11. water flow switch according to claim 10, which is characterized in that the axial cross section packet of first construction section (21)
Include the two profile line segments (211) formed by the outer peripheral surface of first construction section (21), two profile line segment (211) phases
The hole heart line of the pilot hole (200) is symmetrical arranged；Wherein, at least partially arc segment of the profile line segment (211).
12. water flow switch according to claim 11, which is characterized in that along the side far from second construction section (22)
It include the first profile sub-line section (212) being connected and the second profile sub-line section (213) to, the profile line segment (211), it is described
First profile sub-line section (212) is arc segment, and the second profile sub-line section (213) is straightway.
13. water flow switch according to claim 11, which is characterized in that the arc segment is towards close to the mounting hole
(11) setting is protruded in the direction of hole inner wall.
14. water flow switch according to claim 1, which is characterized in that the waterproof jacket (20) is made of silica gel material.
15. according to claim 1 or water flow switch described in 14, which is characterized in that the water flow switch further include:
Scale prevention coating, the scale prevention coating are coated on the outer surface of the waterproof jacket (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910122540.XA CN109727810A (en) | 2019-02-19 | 2019-02-19 | Water flow switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910122540.XA CN109727810A (en) | 2019-02-19 | 2019-02-19 | Water flow switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109727810A true CN109727810A (en) | 2019-05-07 |
Family
ID=66300526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910122540.XA Pending CN109727810A (en) | 2019-02-19 | 2019-02-19 | Water flow switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109727810A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952086A (en) * | 2019-05-16 | 2020-11-17 | 安徽科瑞特模塑有限公司 | Simple antenna type probe for front bumper |
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| JP2007109647A (en) * | 2005-10-11 | 2007-04-26 | Masteco:Kk | Flow switch for fire extinguishing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111952086A (en) * | 2019-05-16 | 2020-11-17 | 安徽科瑞特模塑有限公司 | Simple antenna type probe for front bumper |
| CN111952086B (en) * | 2019-05-16 | 2022-05-13 | 安徽科瑞特模塑有限公司 | Simple antenna type probe for front bumper |
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