CN208362716U - A kind of water level sensor mounting structure convenient for adjusting - Google Patents

Abstract

The utility model provides a kind of water level sensor mounting structure convenient for adjusting, it is coaxially correspondingly arranged up and down by adjusting screw with bracket, effectively reduce the skew during the motion of spring, greatly improve the accuracy of device, being realized simultaneously with this can be adjusted more easily directly by adjusting the threaded connection depth of screw come the initial elasticity stroke of adjustment spring；Pedestal can be realized by notch and seals lower part separate chamber and extraneous connection that film is formed；Individually processing or reserved venthole are not needed, processing process is reduced, is processed more convenient；By the way that multiple support rods are arranged, the integral strength of structural slab is not only strengthened, the weight and material utilization amount of structural slab are also reduced；It is fastened on limited post by the bottom of structural slab, realizes that effective clamping to structural slab limits.The utility model has the advantages of simple structure, and installation operation is convenient, and design is rationally, compact-sized, has good market prospects.

Description

A kind of water level sensor mounting structure convenient for adjusting

Technical field

The utility model relates to water level sensor technical fields, and in particular to a kind of water level sensor installation convenient for adjusting Structure.

Background technique

Currently, be that first coil is put into the mounting groove of pedestal when the compact type water level sensor assembly of washing machine, Encapsulating is fixed, and is welded on pedestal inserted sheet by electrical source part, and using wiring board outer cover, encapsulating fixing circuit board again, there are 2 Secondary encapsulating process, is easy to fall off when unloading, assembling, extremely inconvenient, keeps assembling very cumbersome, time-consuming and laborious, affects operating efficiency, Increase product input cost and processing technology difficulty and production cost it is higher；In addition the life of compact type water level sensor The regulating mechanism that producer is produced in the coil-induced amount of factory to initial LC oscillating circuit mechanism is complex at present, mostly internal to adjust Section, it is inconvenient to adjust.

Utility model content

The purpose of the utility model is to provide a kind of water level sensor mounting structures convenient for adjusting, and adjusting is more convenient, Design is rationally, compact-sized.

In order to achieve the above object, the utility model is achieved by the following technical programs:

A kind of water level sensor mounting structure convenient for adjusting, including shell, sealing film, bracket, LC oscillating circuit mechanism, Magnetic core, spring and plug screw；

The shell includes pedestal and the gas lid with air inlet, circumferential with the pedestal inwardly by the gas lid week The locating fastener close structure lid that outside is mutually clamped closes to form hollow cavity structure；The convex block on the sealing film outer circumferential side It is clamped by the circumferential lid conjunction face of the gentle lid of the pedestal, by the lateral partition of the hollow cavity structure at upper and lower two Separate chamber；

The gas tops are additionally provided with venthole；

The sealing film be include abutting part, spring groove portion and annular lug；The sealing film is structure as a whole；It is described Abutting part, spring groove portion and annular lug are outwardly formed a cover structure from center；And the annular lug is stuck in the bottom Between the gentle lid of seat, the open ended structure of the abutting part and the venthole of the gas lid is correspondingly arranged；The spring groove portion For the v-shaped opening groove-like structure of opening upwards；

LC oscillating circuit mechanism includes structural slab, coil, wiring pawl, capacitor and micrometer adjusting screw, the institute of two 22nF It states capacitor upper support leg and sequentially passes through the wiring pawl being plugged on the structural slab respectively, the coil is wound around the structural slab On coil winding arrangement on, and the both ends of the coil are each passed through the notch of structural slab side, and wiring pawl described in winding Coil-winding bending structure on；The micrometer adjusting screw moves up and down on the inside of the coil；

The wiring pawl outer end of the structure front edge of board of LC oscillating circuit mechanism pass through the chassis side perforate and it is outside Extend, the structural slab is limited by the eave tile on the claw on bottom surface with base bottom aperture clamping, described to realize The positioning of structural slab assembles；

One end of the bracket is fixedly connected with the sealing film, and the other end is abutted by spring with the plug screw；It is described The first retention bead is additionally provided on bracket；

The magnetic core is set on the bracket, and is realized by the bracket and shaken controling circuit structure in the LC Movement in coil；

One end of the magnetic core and elastic claw are clamped, and the other end is abutted with first retention bead；And first limit The size of protrusion is greater than the top bore size of the coil winding arrangement；

Adjusting screw is additionally provided on the plug screw, the adjusting screw is connect with the plug screw coaxial threaded, and the tune Section screw is embedded in the plug screw；Described adjusting screw one end is additionally provided with the second retention bead, and the other end is equipped with cross open；

One end of the spring is set in the concave part of the bracket lower end；The other end, which is set in, to be adjusted on screw, and with Second retention bead abuts, and realizes the spring respectively with the bracket and the second retention bead as spring base using this.

Further, micrometer adjusting screw mounting hole is additionally provided on the bottom of the pedestal；External screw thread and institute with micrometer adjusting screw The bottom internal thread structure for stating pedestal is threadedly coupled, and the axial side of the micrometer adjusting screw mounting hole is equipped with multiple notches；It is logical Pedestal can be realized and seal lower part separate chamber and extraneous connection that film is formed by crossing notch.

Further, the sealing film is silica gel thin slice structure.

Further, the claw is structure as a whole with the pedestal, and is made of plastic material.

Further, the bracket is hollow structure.

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

1, the utility model is coaxially correspondingly arranged up and down by adjusting screw and bracket, is greatly improved the effective edge of spring Axial direction is flexible up and down, effectively reduces the skew during the motion of spring, greatly improves the accuracy of device, while with The threaded connection depth that this realization directly can adjust screw by adjusting does not need to adjust come the initial elasticity stroke of adjustment spring The threaded connection depth of plug screw and pedestal is saved, is adjusted more easily.

2, the utility model can realize pedestal by notch and seal lower part separate chamber and extraneous connection that film is formed； Individually processing or reserved venthole are not needed, processing process is reduced, is processed more convenient.

3, the utility model not only strengthens the integral strength of structural slab, also reduces by the way that multiple support rods are arranged The weight and material utilization amount of structural slab, it is more economical practical；Limited post is cylindrical bump structure, and is integrated knot with pedestal Structure；The channel size matched that limited post and support rod are formed, realizes that the bottom of structural slab is fastened on limited post with this, realizes Effective clamping limit to structural slab.

4, the utility model has the advantages of simple structure, and installation operation is convenient, and design is rationally, compact-sized, has good market Prospect.

Certainly, implement any product of the utility model it is not absolutely required to and meanwhile reach all advantages described on one.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it is therefore apparent that the accompanying drawings in the following description is only Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts, It is also possible to obtain other drawings based on these drawings.

Fig. 1 is the assembling schematic perspective view of the utility model；

Fig. 2 is the configuration schematic diagram of the utility model；

Fig. 3 is the gas lid structural schematic diagram of the utility model；

Fig. 4 is the gas lid cross-sectional view of the utility model；

Fig. 5 is the schematic perspective view of the sealing film of the utility model；

Fig. 6 is the cross-sectional view of Fig. 5 of the utility model；

Fig. 7 is the cross sectional top view of the utility model；

Fig. 8 is the LC oscillating circuit mechanism schematic perspective view of the utility model；

Fig. 9 is the pedestal schematic perspective view of the utility model；

Figure 10 is the pedestal schematic perspective view of the utility model；

Figure 11 is the mounting structure cross-sectional view of the gentle lid of pedestal of the utility model；

Figure 12 is the schematic perspective view of the wiring pawl protective cover of the utility model；

Figure 13 is the bracket schematic perspective view of the utility model；

Figure 14 is the bracket cross-sectional view of the utility model；

Figure 15 is that the plug screw of the utility model and adjusting screw install schematic perspective view；

Figure 16 is the cross-sectional view of Figure 15 of the utility model；

Figure 17 is the micrometer adjusting screw of the utility model and the mounting structure schematic diagram of pedestal；

Figure label explanation:

1, shell；11, pedestal；113, inclination arcuation makes a concession structure；114, limited post；115, micrometer adjusting screw mounting hole； 1151, notch；116, aperture；117, positioning column；118, clamping portion；12, gas lid；121, buckling parts；1211, skewed slot；1212, Skewed slot opening；122, venthole；123, open slot；124, raised line；2, film is sealed；21, abutting part；22, spring groove portion；23, Annular lug；3, bracket；31, elastic claw；32, the first retention bead；4, LC oscillating circuit mechanism；41, structural slab；411, coil twines Around structure；412, support rod；413, claw；4131, eave tile；42, coil；43, wiring pawl；44, capacitor；45, micrometer adjusting screw； 5, magnetic core；6, spring；7, plug screw；8, wiring pawl protective cover；81, installation groove；9, screw is adjusted；91, the second retention bead.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described implementation Example is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field Those of ordinary skill's every other embodiment obtained without creative efforts, belongs to the utility model The range of protection.

In conjunction with attached drawing 1 to Figure 17, the utility model is further described:

A kind of water level sensor mounting structure convenient for adjusting, including shell 1, sealing film 2, bracket 3, LC oscillating circuit machine Structure 4, magnetic core 5, spring 6 and plug screw 7；The shell 1 includes pedestal 11 and the gas lid 12 with air inlet, passes through the gas lid 12 The locating fastener close structure lid that week is mutually clamped with 11 outer circumferential of pedestal inwardly closes to form hollow cavity structure；Institute The convex block for stating sealing 2 outer circumferential side of film is clamped by the circumferential lid conjunction face of the gentle lid 12 of the pedestal 11, will be described hollow The lateral partition of cavity body structure is at upper and lower two separate chambers；The wiring of 41 front end of structural slab of LC oscillating circuit mechanism 4 43 outer end of pawl passes through 11 side of pedestal and perforates and extend outwardly, and the structural slab 41 passes through on the claw 413 on bottom surface Eave tile 4131 and 11 bottom opening 116 of pedestal clamping limit, to realize the positioning assembling of the structural slab 41；The bracket 3 one end is abutted with the sealing film 2, and the other end is abutted by spring 6 with the plug screw 7；The magnetic core 5 is set in the support On frame 3, and is realized by the bracket 3 and moved in the coil 42 of LC oscillating circuit mechanism 4；The both ends of the spring 6 It is respectively spring base with the magnetic core 5 and plug screw 7；The plug screw 7 is connect with 11 bottom thread of pedestal.

LC oscillating circuit mechanism 4 include structural slab 41, coil 42, wiring pawl 43, capacitor 44 and micrometer adjusting screw 45, two 44 upper support leg of the capacitor of 22nF sequentially passes through the wiring pawl 43 being plugged on the structural slab 41 respectively, the coil 42 It is wound around on the coil winding arrangement 411 on the structural slab 41, and the both ends of the coil 42 are each passed through 41 side of structural slab The notch on side, and on the coil-winding bending structure of wiring pawl 43 described in winding, by coil-winding bending structure upper point Weldering, so that the coil 42 is connect with the wiring pawl 43 and capacitor 44 of arranged on left and right sides respectively, and only needs spot welding primary The connection that coil 42, capacitor 44 and wiring pawl 43 can be realized, greatly improves work efficiency, while reducing procedure of processing, Substantially reduce processing technology difficulty；Meanwhile the micrometer adjusting screw 45 moves up and down on the inside of the coil 42；

LC oscillating circuit mechanism 4 pinches the eccentric colyliform of LC oscillating circuit mechanism 4 with hand when being installed on pedestal Coil winding arrangement 411 two sides, the wiring pawl 43 in LC oscillating circuit mechanism 4 is tilted down and is inserted on pedestal 11 Wiring pawl stretches out hole, pushes LC oscillating circuit mechanism 4, and wiring pawl 43 is stretched out in hole from wiring pawl and stretched out, while coil winding knot Structure 411 makes a concession what structure 113 moved downward along inclination arcuation, and abuts claw 413 with the aperture 116 on pedestal, then to Lower pressing LC oscillating circuit mechanism 4, due to the elastic reaction of the plastics of claw 413, the skewback of the eave tile 4131 of claw 413 is squeezed It is pierced by into aperture 116, and from aperture 116, abuts the pawl head of eave tile 4131 with structural slab 41 simultaneously, and 41 bottom of structural slab Limited post 114 on support rod 412 and pedestal 11, which is clamped, to be limited, while the wiring pawl of 4 one end of LC oscillating circuit mechanism passes through On the pedestal 11, the location and installation on pedestal of LC oscillating circuit mechanism 4 is realized, it is quick and easy for installation；And the fine tuning Screw 45 uses manganese-zinc ferrite and nickel-zinc Ferrite Material.

The sealing film 2 be include abutting part 21, spring groove portion 22 and annular lug 23；The sealing film 2 is integrated Structure；The abutting part 21, spring groove portion 22 and annular lug 23 are outwardly formed a cover structure from center；And the annular Convex block 23 is stuck between the gentle lid 12 of the pedestal 11, the open end of the abutting part 21 and the venthole 122 of the gas lid 12 Structure is correspondingly arranged；The spring groove portion 22 is the v-shaped opening groove-like structure of opening upwards；The sealing film 2 is that silica gel is thin Chip architecture；When abutting part 21 can be moved up and down to when up and down motion due to spring groove portion 22 therewith by bracket 3, to support The drag force of frame 3 is small, substantially increases the effective exercise of sealing film 2, substantially increases the accuracy of device.

Venthole 122 is additionally provided at the top of the gas lid 12.

The locating fastener structure includes clamping portion 118 and buckling parts 122；The clamping portion 118 is arranged in the pedestal On 11；The buckling parts 122 is arranged on the gas lid 12；

The clamping portion 118 is the hook head structure for being arranged radially along the pedestal 11, and tilting down；

The buckling parts 122 includes skewed slot 1211 and the skewed slot opening 1212 set on bottom in 12 outer peripheral sidewall of gas lid；Institute Skewed slot 1211 is stated to match with the size of the clamping portion 118；And 1212 spacing of the skewed slot opening are set to the top of the skewed slot, The skewed slot 1211 and the width dimensions of skewed slot opening 1212 are matched with the width dimensions of the clamping portion 118；When the pedestal The flexible deformation that the eave tile of clamping portion on 11 passes through plastics respectively passes through skewed slot 1211, and finally snaps fit onto skewed slot opening 1212 It is interior, realize the positioning of pedestal and upper cover.

The locating fastener structure is equipped with multiple, and circumference array is distributed in the circumferential side of the gas lid 12；The gas The top of lid 12 is additionally provided with raised line 124, and the raised line setting is oppositely arranged with the abutting part 21, can avoid sealing film 2 and light The abutting of sliding 12 inner wall of gas lid is adsorbed.

Open slot 123 is additionally provided between the buckling parts 122 adjacent two-by-two of the gas lid 12；By in buckling parts 122 Open slot 123 is arranged, it can be achieved that when clamping portion 118 is fastened by external force and buckling parts 122 in two sides, multiple buckling parts 122 distinguish plastic deformation, and expand outwardly snaps onto clamping portion in the clamping groove of buckling parts respectively, convenient for manually installed And operation, it is more time saving and energy saving, greatly improve installation effectiveness.

Micrometer adjusting screw mounting hole 115 is additionally provided on the bottom of the pedestal 11；With the external screw thread of micrometer adjusting screw 45 with it is described The bottom internal thread structure of pedestal 11 is threadedly coupled, and the axial side of the micrometer adjusting screw mounting hole 115 is equipped with multiple notches 1151；Pedestal 11 can be realized by notch and seals lower part separate chamber and extraneous connection that film 2 is formed；It does not need individually to add Work or reserved venthole reduce processing process, process more convenient.

116 size of aperture matches setting with the size of the claw 413；And the structural slab 41 and the claw The lower corner of the side of 413 clampings is chamfering structure, is realized with this when the structural slab 41 and the claw 413 are clamped It waits, the side of the structural slab 41 is abutted with the interconnecting piece of the claw 413, and extraneous gas can only pass through the aperture 116 simultaneously Out of, side enters pedestal 11 cavity, dust and sundries are not easy directly to enter in the pedestal 11 from aperture 116, structure It is ingenious in design, structure novel.

The bottom of the structural slab 41 is equipped with multiple support rods 412, by the way that multiple support rods are arranged, not only strengthens The integral strength of structural slab 41 also reduces the weight and material utilization amount of structural slab, more economical practical；Limited post 114 is circle Columnar projections structure, and be structure as a whole with the pedestal 11；The limited post 114 forms logical with the support rod 412 The matching of road size, realizes that the bottom of the structural slab 41 is fastened on the limited post 114 with this, realizes to the structural slab 41 Effective clamping limit.

The claw 413 is structure as a whole with the pedestal 11, and is made of plastic material, has certain elasticity of plastics.

Two claws 413 are respectively symmetrically located at the two sides of 41 width direction of structural slab, and with the pedestal 11 posterior medial walls are close to setting；Clamping limit is carried out respectively by the two sides to structural slab 41, and since the claw is Eave tile is to the barb-like structure being arranged on the inside of pedestal 11, so that the elasticity between 11 posterior medial wall of the claw 413 and pedestal Yielding space is smaller, realizes effective clamping by the realization of claw 413 to the structural slab 41 with this, snap effect is good, and blocks It connects that rear structural slab is not easy to disassemble and sideslip, avoids artificial arbitrarily disassembly.

It is additionally provided with positioning column 117 on the pedestal 11 and matches setting with the installation groove on the wiring pawl protective cover 8, it is real When now by after positioning column 117 and the installation groove 81 clamping positioning, then by claw on wiring pawl protective cover 8 with Boss clamping on the pedestal 11, mounting structure is simple, and convenient and efficient, and setting is reasonable.

When overall package, plug screw 7 is installed on the threaded hole of pedestal, spring 6 is respectively spring with plug screw 7 and bracket 3 Seat, magnetic core 5 are fastened on by elastic claw 31 and are located on bracket 3, and the top of bracket 3 is fixedly connected with the bottom surface of sealing film 2；Will be close The annular lug 23 of 2 side of sealer is put into the annular groove of the pedestal 11, then gas lid 12 is pressed on pedestal 11, gas lid 12 With the lug boss tight clamping fit on pedestal 11, it is clamped by the boss of 8 pedestal 11 of wiring pawl protective cover, realizes the present apparatus Installation operates convenient and efficient.

The bracket 3 is hollow structure, and is made of light material, reduces weight to the greatest extent, is reduced to sealing film 2 The influence of movement；The first retention bead 32 is additionally provided on the bracket 3；One end of the magnetic core 5 and the elastic claw are clamped, another End is abutted with first retention bead 32；And the size of first retention bead 32 is greater than the coil winding arrangement 411 Top bore size avoid the distance that moves down of sealing film 2 excessive while guaranteeing that magnetic core can enter in coil 42 completely When lead to the drastic deformation for sealing film, be unfavorable for the recovery of membrane body, so as to cause the failure of water level sensor, be arranged so more Adduction reason, can greatly increase effective use of device.

It is additionally provided on the plug screw 7 and adjusts screw 9, the adjusting screw 9 is connect with 7 coaxial threaded of plug screw, and institute It states adjusting screw 9 and is embedded in the plug screw 7；Described 9 one end of adjusting screw is additionally provided with the second retention bead 91, and the other end is equipped with ten Word opening, the connection depth for adjusting screw 9 can be realized by Phillips screwdriver；One end of the spring 6 is set to described In the concave part of 3 lower end of bracket；The other end, which is set in, to be adjusted on screw 9, and is abutted with the second retention bead 91, realizes institute with this Stating spring 6 is respectively spring base with the bracket 3 and the second retention bead 91；On the adjusting screw 9 and the bracket 3 similarly hereinafter Axis is correspondingly arranged, and is greatly improved that spring 6 is effective in axial direction flexible up and down, effectively reduce spring 6 in motion process In skew, greatly improve the accuracy of device, while realizing and can directly connect by adjusting the screw thread for adjusting screw 9 with this The initial elasticity stroke that depth carrys out adjustment spring 6 is connect, the threaded connection depth for adjusting plug screw 7 and the pedestal is not needed, adjusts Section is more very convenient；

Preferably, the adjusting screw 9 is made of plastic material.

Utility model works principle is: the gas chamber of the trachea of gas lid 12 and washing machine being connected, wiring pawl and laundry Machine is controller connection, 1 inner cavity of shell is divided into two separate chambers above and below by sealing film 2, with washing drum water level Rising, sealing film 2 air pressure rise, push sealing film 2 to the direction of magnetic core 5, deformation occurs so that magnetic core 5 and coil 42 lap increases, and coil-induced inductance change of variable, output frequency convert immediately therewith, and microcontroller is supervised in washing machine Measure the transformation of the water level in washing drum；The utility model can also used micrometer adjusting screw 45 carry out the coil-induced electricity of alihnment coil Sensibility reciprocal, it is easy to adjust quick.

The utility model in use, the gentle lid 11 of the sealing film that gas enters top from the top through-hole of gas lid 12 In the top separate chamber of formation；When the sealing film 2 is acted on air fluid medium pressure, the bracket 3 can be with Lower convexity or movement on the sealing film 2, the magnetic core 5 are electric with that can change the LC concussion after 3 synchronizing moving of bracket The intrinsic frequency of road mechanism 4, LC oscillating circuit mechanism 4 are fastened on the pedestal 11 of the shell 1, and the LC shakes Wiring pawl 43 on circuit mechanism 4 stretches out in hole from the wiring pawl of pedestal 11 to be stretched out, 4 coil two of LC oscillating circuit mechanism End is connected by wiring pawl 43 with capacitor 44, and by 45 coil-induced amounts of adjustings factory of micrometer adjusting screw, easy to adjust fast It is prompt；Relatively existing technology simultaneously, eliminates the claw in the cover body structure inside bottom of pedestal, structure is simpler, depanning It is more convenient, injection molding cost is greatly reduced, yield rate is higher；And the claw 413 passes through injection molding machine and structural slab injection molding one It is body formed, and pass through setting and the matched square through hole of the claw 413.

Present apparatus structure is simple, and installation operation is convenient, reusable, economical and practical, and easy to carry, management uses spirit Living, design is rationally, compact-sized, has good market prospects.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention, It is a, three etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down " It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into Row combination and combination.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (5)

1. a kind of water level sensor mounting structure convenient for adjusting, it is characterised in that: including shell (1), sealing film (2), bracket (3), LC oscillating circuit mechanism (4), magnetic core (5), spring (6) and plug screw (7)；

The shell (1) includes pedestal (11) and the gas lid (12) with air inlet, by gas lid (12) week inwardly with The locating fastener close structure lid that pedestal (11) outer circumferential is mutually clamped closes to form hollow cavity structure；The sealing film (2) convex block on outer circumferential side is clamped by the circumferential lid conjunction face of the gentle lid (12) of the pedestal (11), by the hollow cavity The lateral partition of body structure is at upper and lower two separate chambers；

Venthole (122) are additionally provided at the top of the gas lid (12)；

The sealing film (2) be include abutting part (21), spring groove portion (22) and annular lug (23)；The sealing film (2) It is structure as a whole；The abutting part (21), spring groove portion (22) and annular lug (23) are outwardly formed a cover knot from center Structure；And the annular lug (23) is stuck between the gentle lid (12) of the pedestal (11), the abutting part (21) and the gas lid (12) open ended structure of venthole (122) is correspondingly arranged；The spring groove portion (22) is the V shaped opening groove of opening upwards Shape structure；

LC oscillating circuit mechanism (4) includes structural slab (41), coil (42), wiring pawl (43), capacitor (44) and fine tuning spiral shell It follows closely (45), the capacitor (44) upper support leg of two 22nF sequentially passes through the wiring pawl being plugged on the structural slab (41) respectively (43), on the coil winding arrangement (411) of the coil (42) being wound around on the structural slab (41), and the coil (42) Both ends be each passed through the notch of structural slab (41) side, and on the coil-winding bending structure of wiring pawl (43) described in winding； The micrometer adjusting screw (45) moves up and down on the inside of the coil (42)；

Wiring pawl (43) outer end of structural slab (41) front end of LC oscillating circuit mechanism (4) passes through the pedestal (11) side It perforates and extends outwardly, the structural slab (41) passes through the eave tile (4131) and the pedestal on the claw (413) on bottom surface (11) bottom opening (116) clamping limit, to realize the positioning assembling of the structural slab (41)；

One end of the bracket (3) is fixedly connected with the sealing film (2), and the other end is supported by spring (6) with the plug screw (7) It connects；The first retention bead (32) are additionally provided on the bracket (3)；

The magnetic core (5) is set on the bracket (3), and is realized by the bracket (3) and shake control circuit in the LC Movement in the coil (42) of structure 4；

One end of the magnetic core (5) and elastic claw are clamped, and the other end is abutted with first retention bead (32)；And first limit The size of position raised (32) is greater than the top bore size of the coil winding arrangement (411)；

It being additionally provided on the plug screw (7) and adjusts screw (9), the adjusting screw (9) connect with the plug screw (7) coaxial threaded, And the adjusting screw (9) is embedded in the plug screw (7)；Described adjusting screw (9) one end is additionally provided with the second retention bead (91), The other end is equipped with cross open；

One end of the spring (6) is set in the concave part of the bracket (3) lower end；The other end, which is set in, to be adjusted on screw (9), And abutted with the second retention bead (91), with this realize the spring (6) respectively with the bracket (3) and the second retention bead It (91) is spring base.

2. the water level sensor mounting structure according to claim 1 convenient for adjusting, it is characterised in that: the pedestal (11) Bottom on be additionally provided with micrometer adjusting screw mounting hole (115)；With the external screw thread of micrometer adjusting screw (45) and the bottom of the pedestal (11) Internal thread structure is threadedly coupled, and the axial side of the micrometer adjusting screw mounting hole (115) is equipped with multiple notches (1151)；Pass through Notch (1151) can be achieved pedestal (11) and seal lower part separate chamber and extraneous connection that film (2) are formed.

3. the water level sensor mounting structure according to claim 1 convenient for adjusting, it is characterised in that: the sealing film It (2) is silica gel thin slice structure.

4. the water level sensor mounting structure according to claim 1 convenient for adjusting, it is characterised in that: the claw (413) it is structure as a whole with the pedestal (11), and is made of plastic material.

5. the water level sensor mounting structure according to claim 1 convenient for adjusting, it is characterised in that: the bracket (3) For hollow structure.