CN101863201A - Tire pressure gauge and air faucet connecting structure - Google Patents
Tire pressure gauge and air faucet connecting structure Download PDFInfo
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- CN101863201A CN101863201A CN201010213134A CN201010213134A CN101863201A CN 101863201 A CN101863201 A CN 101863201A CN 201010213134 A CN201010213134 A CN 201010213134A CN 201010213134 A CN201010213134 A CN 201010213134A CN 101863201 A CN101863201 A CN 101863201A
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- tire gauge
- valve
- air faucet
- connecting structure
- conduction
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- 244000286663 Ficus elastica Species 0.000 claims description 10
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 10
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0491—Constructional details of means for attaching the control device
- B60C23/0494—Valve stem attachments positioned inside the tyre chamber
Abstract
The invention discloses a tire pressure gauge and air faucet connecting structure which comprises a universal head, a conductive coating film, a first mating piece and an insulating fixing piece; the universal head is arranged on the tail end of the axial direction of the air faucet, and is provided with a second mating piece; the conductive coating film is fixed on an outer shell, and comprises a film body, a tongue piece which extends into the outer shell form the film body and is electrically connected with a transmission circuit in a circuit board, and a guide groove penetrated to the film body; the film body is provided with an inner concave spherical surface and an outer convex spherical surface; the universal head is universally connected with the inner concave spherical surface, and is concentric with the outer convex spherical surface; the first mating piece comprises a limiting piece; the insulating fixing piece is sleeved on the periphery of the air faucet so that the air faucet is fixed with a hub in an insulating way; the two mating pieces are mutually fixed in a matched way through the guide groove; and the signals of the transmission circuit of the tire pressure gauge are transmitted to the space sequentially through the conductive coating film, the first mating piece, the second mating piece, the universal head and the air faucet. The tire pressure gauge and air faucet connecting structure can ensure the high-efficiency and reliable transmission of the signals while ensuring the tire pressure gauge and the air faucet are stably connected and rotate flexibly, and can minimize the economic losses caused by the hitting to the tire pressure gauge.
Description
[technical field]
The present invention relates to automobile security protection accessory equipment, relate in particular to a kind of tire gauge and air faucet connecting structure.
[technical background]
The tire gauge of motor tire being connected with valve, form independently product and be used for selling, has been the general knowledge of this area.Relevant technology evolution see for details comprise the applicant patent (application) at interior countries in the world patent documentation.
The tire gauge that known patent documentation disclosed and the connection structure of valve, existing consideration by outwards emission and realize the structure of tire gauge and the physical connection of valve of valve, also has the tire gauge internal signal electrically not to be connected between maintenance tire gauge and the valve and bonded assembly structure physically.
Typically see the CN200910260535.1 patent application that the applicant submitted on December 10th, 2009; it discloses a kind of water proof type tire pressure detecting device and cylindrical solenoid protective case; in the tire gauge that its Fig. 3 disclosed and the connection structure of valve; the valve end is designed to globular part; the tire gauge shell is formed with the groove of ccontaining this globular part; globular part closely engages with this groove and can relatively rotate; such structure can be convenient to finely tune the reclining angle of tire gauge with respect to valve after tire gauge is installed, thus make tire gauge be close to race and can be uneasily by the pry sled from destruction.The defective that this kind structure is had is that globular part and groove mechanical wear cause tire gauge to get loose with the passing of time easily.
On January 6th, 2010, disclosed CN201376472Y patent announcement disclosed a kind of structural improvement of tire pressure detector, it is based on the same principle that is pivoted, always pass to the screw of groove in the design of tire gauge groove back, by a screw pass the default screw of this screw and Universal-head mutually screw lock realize that the activity of tire gauge and tire tube valve fixes, the structure of this improvement can effectively prevent from but to bring another similar problem because of getting loose that mechanical wear occurs.Though mainly show and realize screw lock between screw and the Universal-head screw, but the pivot point between valve Universal-head and the tire gauge groove is not on the axis of valve, and the position that forms groove is difficult to be processed into the shape concentric with Universal-head, like this, process when the relative valve reclining swing of tire gauge, be equivalent to the process of eccentric rotation, distance between the nut of screw and the groove back wall changes during this time, therefore, for tire gauge can be rotated flexibly relative to valve, it is enough big to make this screw go deep into the distance of valve Universal-head, so that this is apart from making the nut of this screw just match with the thickest back wall of groove, and can be in this position because the back wall of groove is too thick limited in rotation.Yet too getting loose of screw must influence its fastening effect, also can make to become loose between valve globular part and the tire gauge groove, and screw reverses easily, and tire gauge and valve also just break away from easily.Therefore, even add screwing (bolt), also there is defective in this connection structure.In addition, in the universal structure of this technical scheme, the spacing of rotation direction about valve is to compel plane involution by the folder of plane of orientation on the Hooke's coupling and guide groove both sides to realize that this structure is not considered other situation that bolt matches with Hooke's coupling fully.
Below all be only consider between tire gauge and the valve physical structure for example, generally be by the outer directly emission of tire gauge in-to-in sky alignment tire electric signal in this case, well-known, wire net gathers in the tire, these wire nets constitute shielding cavity with wheel hub, weaken the power level of the signal of outwards launching in tire widely.Some like products have on the market been further considered situation about electrically connecting between tire gauge and the valve.Comparatively general, be directly the transmission circuit of tire gauge internal emission signal and the metal piece of valve to be electrically connected, be antenna carries out the signal emission with the valve.In the case, signal is drawn outside the tire in the tire, no longer shielded easily, yet in case water inlet around the valve, valve and wheel hub fuses, and the signal emission can't normally send because of short circuit again.And because of reckoning without the relatively large situations such as load point that influence signal transmission power, signal to valve of valve resistance, present this product is difficult on market fully to be approved by the customer.
Further, get back on the physical structure, more than enumerate each example, in case the maintainer destroys tire gauge the metal piece because valve is attached most importance to accidentally when the stripping tire, tire gauge is generally Plastic Parts or light metal spare, and general tire gauge can be destroyed by whole, and valve can continue to use.But the cost of tire gauge is obviously far above valve, and therefore, on the basis that addresses the aforementioned drawbacks, the economic loss when how effectively the artificial damage accident of minimizing takes place should be considered equally.
[summary of the invention]
The tire gauge and the air faucet connecting structure that the object of the present invention is to provide a kind of electric property excellence, structure firmly to have the collision preventing and loss reducing characteristic.
For realizing this purpose, the present invention adopts following technical scheme:
Tire gauge of the present invention and air faucet connecting structure, tire gauge comprise circuit card that is equiped with signal transmission circuit and the shell that encapsulates this circuit card, and this connection structure comprises:
Universal-head is arranged on the valve axial end, is axially arranged with second related parts along valve;
Conduction is covered sheet, is fixed on the described shell, comprise body, in body extends to shell with circuit card in the tongue piece that electrically connects of transmission circuit, and the guide groove that connects the lengthwise of body, body has interior concave spherical surface and evagination sphere;
Universal-head keeps concentric setting with being somebody's turn to do interior universal connection of concave spherical surface with between this evagination sphere;
First related parts comprises stoping the locating part that self passes through this guide groove;
Insulating fixing piece is set in the valve periphery so that valve and wheel hub insulation are fixing;
One of two relateds parts match fixing through this guide groove with another related parts;
The signal of tire gauge transmission circuit covers sheet, first related parts, second related parts, Universal-head, valve to spatial emission through this conduction in succession.
This locating part and conduction are covered and are provided with the pad slide block between the sheet, and the pad slide block is provided with the through hole that passes through for one of related parts.The face that described pad slide block covers sheet towards conduction is the spill smooth sphere.Described pad slide block and described locating part face toward each other are provided with one of at least the dentalation that increases friction force.Preferable, described pad slide block and described locating part face toward each other are equipped with intermeshing dentalation.
Described valve comprises the tubular body, and body from the air extractor duct that the tube wall side passes, is provided with thickness weak link less than body all the other position thickness around this body in the formation one of air inlet end.Described weak link is through described air extractor duct setting.
Described conduction is covered sheet, first related parts and second related parts and is conducting metal spare.Described conduction is covered between the transmission circuit of sheet and described tire gauge and is serially connected with nonisulated multiturn coil.Described nonisulated multiturn coil is a cylindrical solenoid.
Described first related parts is a bolt, and its nut is defined as described locating part, and described second related parts is the screw that is preset on the Universal-head.Perhaps, described first related parts is a nut, is defined as described locating part, and described second related parts is that one is preset in the screw on the Universal-head.
This connection structure comprises also and the integrated buffer part of shell that this buffer part places conduction to cover between sheet and the Universal-head.This buffer part has the conduction of substituting to be covered sheet and directly covers the outer concave spherical surface that the interior concave spherical surface of sheet fits with the interior concave spherical surface of the universal bonded assembly of Universal-head with conduction, and covers the slotted eye of the corresponding perforation of guide groove of sheet with conduction.
It is one-body molded that described conduction is covered the body and the tongue piece of sheet, and tongue piece is the bending extension of body.Described conduction covers sheet and valve is copper metallic conduction spare.
In one embodiment of the invention, described insulating fixing piece is one to be the India rubber tube of sleeve-like, and this India rubber tube is provided with the fixing annular groove that contacts with the circular hole of wheel hub in the side near Universal-head.And in another embodiment of the present invention, described insulating fixing piece comprises seal gasket, first rubber cushion, nut, second rubber cushion and the dust cap that is set in succession on the valve, first rubber cushion and second rubber cushion are established respectively at nut two ends pad, form one between seal gasket and first rubber cushion for the fixing annular groove that insulate mutually of the circular hole with wheel hub, nut and valve be screw lock mutually, dust cap also with valve mutually screw lock with the admission port of encapsulation valve.
Compared with prior art, the present invention has following advantage:
At first, set conduction is covered sheet, because it keeps concentric setting with Universal-head, so carry out reclining when swing when valve drives first related parts, the locating part of first related parts can cover between the face of body of sheet with same width and conduction and keep the distance, so just, reinforced being connected between first related parts and second related parts, make both connections be difficult for getting loose, the further cooperation by a smooth concave design of dentalation another side of described pad slide block, making locating part can drive the pad slide block again when activateding slides synchronously, and then tighten each other between the pad slide block and first related parts, like this, both made to be connected more firmly between tire gauge and the valve, and guaranteed again can relatively rotate neatly between tire gauge and the valve.
Secondly, conduction is covered the setting of sheet, realizing firm bonded assembly simultaneously, also owing to its tongue piece stretches into the inner effect that realizes the signal transmission of tire gauge, like this, the tire gauge internal signal can cover sheet, first related parts, second related parts through conduction, launch to outside tires by valve at last, because these parts especially conduct electricity and cover sheet and valve has adopted copper metal material, impedance is low, electric conductivity is good, so signal transfer quality is higher; And the valve periphery is provided with insulating fixing piece, can effectively stop valve directly or indirectly to contact the formation short circuit with wheel hub again; Further again, owing to be serially connected with multiturn coil between tongue piece and the tire gauge transmission circuit, can play the double action of impedance match and antenna simultaneously, so when valve during, because the impedance match effect of multiturn coil and can obtain the stable and signal transmission distance far away of higher transmission over radio as signal radiated element normal operation.
Once more, conduction is covered the setting of sheet, realizing that firm bonded assembly simultaneously, the intensity of valve body has virtually relatively also weakened, be combined in the technological means that weak link is set on the body, make the radial wall thickness attenuation of body at the weak link place, collision preventing and loss reducing mechanism in the structure that connects thus, particularly, because the reduction of other position of the relative valve of weak link mechanical strength, when the tire gauge on being installed in wheel hub is subjected to external impacts, owing to firmly be connected with the tire gauge shell between Universal-head and first related parts, firmly connect also relatively between valve body and the wheel hub, unique weakness is this weak link, and the weak link place is prone to fracture under the external impacts, like this, though tire gauge can break away from valve, but what destroy is the structure of valve, and does not relate to tire gauge itself, because the cost of valve is cheap far beyond tire gauge, this measure just can be saved the service expenditure of great number for the user, only needs to change valve, continuing to employ tire gauge gets final product.
In addition, though only conduction is covered and can be realized above-mentioned effect of the present invention between sheet and the Universal-head, but and the integrated buffer part of shell set up the annexation that can further consolidate between Universal-head and the shell, at this moment, because conduction is covered the path of motion that guide groove is used to guide first related parts has been set in the sheet, the slotted eye role of buffer part is relatively limited, slotted eye only need provide enough activity spaces to get final product to first related parts is movable, thereby, when the shell of design tire gauge, needn't excessively pay close attention to the transverse width and the shape of this buffer part slotted eye on the shell, on the other hand, because shell generally adopts Plastic Parts, can process buffer part by lower cost with relatively thick, making wins has bigger operational space between the related parts and second related parts, covers sheet and needn't directly thicken the higher metallo-conduction of cost, obviously has the advantage of saving cost.
Although summarized major advantages more of the present invention as mentioned above, therefore advantage of the present invention is not limited to, and any foundation technological means of the present invention and the technique effect that directly or indirectly draws should be forgiven in essence technique effect of the present invention.
[description of drawings]
Fig. 1 is the assembling scheme drawing of tire gauge of the present invention and air faucet connecting structure;
Fig. 2 is the structure cutaway view of tire gauge of the present invention and air faucet connecting structure;
Fig. 3 is the block diagram at another visual angle of the pad slide block shown in the A part among Fig. 1;
Fig. 4 is the enlarged drawing of weak link shown in the B part among Fig. 1;
Fig. 5 is the circuit distribution schematic diagram of the circuit card of tire gauge of the present invention;
Fig. 6 covers parts bonded assembly circuit diagrams such as sheet, valve for tire gauge transmission circuit of the present invention and conduction;
Fig. 7 is the valve of another remodeling of tire gauge of the present invention and air faucet connecting structure and the structural representation of Universal-head part;
Fig. 8 is tire gauge shown in Figure 7 and air faucet connecting structure and the wheel hub cutaway view when installing.
[specific embodiment]
The present invention is further illustrated below in conjunction with drawings and Examples:
Fig. 1 and Fig. 2 illustrate the assembled relation of tire gauge of the present invention and air faucet connecting structure jointly, tire gauge 1 wherein mainly is made up of shell 11 and circuit card 12, be integrated with the circuit 123 of detecting such as the parameter that realizes tire pressure, temperature and/or humidity means on the circuit card 12, be integrated with the transmission circuit 121 (consulting Fig. 5 and Fig. 6) that will the detecting result outwards sends simultaneously, and integrated battery 122 is as power supply etc. with signal form.Tire gauge 1 employed circuit all can be integrated on the same circuit card 12, on circuit card shown in Figure 1 12, omitted circuit integrated on it, but on circuit card shown in Figure 5 12, physical circuit integration member on a kind of representative type tire gauge 1 then is shown, because of the physical circuit of tire gauge 1 does not influence enforcement of the present invention, so to not all right the giving unnecessary details of the integrated situation of physical circuit.In conjunction with Fig. 1 and Fig. 5 as can be known, on circuit card 12, be provided with the slot 120 of a lengthwise, this slot 120 conduction described later that will be used to plant is covered the tongue piece 62 of sheet 6, and the microstrip line (not shown) by printing on the circuit card 12 makes conduction cover sheet 6 to realize electrically connecting with the cylindrical solenoid on the circuit card 12.Directly install between shell 11 and the circuit card 12 by the mode of screw lock, soon shell 11 is made and is covered shape, circuit card 12 is arranged to establish face etc. big with the lid of shell 11, pass on the circuit card 12 default through hole and the lid of shell 11 by some screws 13 then and establish screw screw lock mutually on the face, can realize the shell 11 of tire gauge 1 and the relative fixed between the circuit card 12.
The valve 2 that the common copper conductive metallic material that discloses of Fig. 1 and Fig. 2 is made is made of a hollow tube 4, body 4 has the air extractor duct 40 of admission port 41, gas passage 42 and the air inlet end of air inlet initial end, admission port 41 is in body 4 one end settings, air extractor duct 40 is then in the sidewall setting of body 4 other ends, this shows, the intake process of valve 2 is: by being that admission port 41 from the exposed junction of body 4 enters hollow channel 42, axially enter to the air extractor duct 40 of body 4 sidewalls along valve 2 after, turn out and enter in the tire.
The airintake direction of valve 2 is equal to the axial of valve 2 basically, at the axial end of valve 2, the axial end place of concrete fingering gas direction the same side, depart from this air extractor duct 40 and the valve 2 one-body molded Universal-heads 3 that are provided with, this Universal-head 3 is positive sphere, to avoid occurring eccentric bonded assembly situation when rotated.Universal-head 3 axially therefore with axially the overlapping fully of valve 2.
Hence one can see that, is the boundary with air extractor duct 40, and a side is a valve 2, and opposite side is a Universal-head 3, and both are one-body molded, and all adopt copper conducting metal spare, have the favorable conductive attribute.
In conjunction with Fig. 4, in order to make being connected between Universal-head 3 and the valve 2 have a certain fragile system to realize collision preventing and loss reducing mechanism of the present invention, between valve 2 and Universal-head 3, through this air extractor duct 40 weak link 43 is set, particularly, the realization of weak link 43 is to make what the 4 wall thickness attenuation of groove 43 place's bodys realized by the groove 43 that ring-type is set around valve 2 outer walls.Weak link 43 places are owing to be cut into flute profile, so the thickness of the body 4 at weak link 43 places is little with respect to the thickness at body 4 all the other positions, it is fragile that weak link 43 places just become, and after valve 2 is inserted in wheel hub, constitutes the fulcrum relation in India rubber tube 5 annular grooves, 50 corresponding positions and wheel hub, in case tire gauge 1 is stressed, can be directly transferred on the Universal-head 3, and weak link 43 occupy the middle part just, at this moment, just occur fracture easily at weak link 43 places, make valve 2 destroyed and saved tire gauge 1 integral body from damage.The maintainer only is required to be the more valve 2 of tape swapping Universal-head 3 of user, just original tire gauge 1 can be restored on same wheel hub, and for changing tire gauge 1, the cost of changing valve 2 is obviously lower.
For weak link 43 is played a role, then require the Universal-head 3 and the connection of tire gauge 1 should be relative firm.Consult Fig. 1 and Fig. 2, Universal-head 3 axially on, also be dead in line place of valve 2, be provided with one and go deep into Universal-head 3 in-to-in screws 30, this screw 30 will match with first related parts that is about to disclose as second related parts of present embodiment, makes Universal-head 3 realize firmly being connected with tire gauge 1.
In conjunction with Fig. 1 and Fig. 2, in order to realize being connected between Universal-head 3 and the tire gauge 1, on tire gauge 1 shell 11, with shell 11 one-body molded designs one buffer part 7 is arranged, this buffer part 7 is spherical arch, it is formed with a concave spherical surface 74 and an evagination sphere 73 in one, and interior concave spherical surface 74 just matches with the sphere of Universal-head 3, so that Universal-head 3 is realized universal connection in interior concave spherical surface 74.Realize cooperating through buffer part 7 with aftermentioned first related parts in order to make second related parts on the Universal-head 3, on buffer part 7, also be provided with a slotted eye 70 that connects, this slotted eye 70 need have enough lengthwise yardsticks, match so that cover the lengthwise yardstick of the guide groove 60 of sheet 6 with the aftermentioned conduction, come and go flexibly in slotted eye 70 with the reclining swing of Universal-head 3 for first related parts described later.And, then needn't require about the transverse width of slotted eye 70 and concrete shape etc.
In conjunction with Fig. 1 and Fig. 2, on the evagination sphere of described buffer part 7, be covered with a conduction and cover sheet 6, this conduction is covered sheet 6 and is adopted copper conductive metallic material to process, conduction is covered sheet 6 and is had a body 61, body 61 is arch haply, has an interior concave spherical surface 64 that closely is sticked with the evagination sphere 73 of buffer part 7, and one with its in concave spherical surface 64 opposing to evagination sphere 63, its evagination sphere 63 is designed to keep fully concentric with this Universal-head 3 (sphere), so, it is fashionable with evagination sphere 73 enclosing covers of buffer part 7 that the body 61 that covers sheet 6 when conduction covers on the buffer part 7, and the evagination sphere 63 that conduction is covered the body 61 of sheet 6 equates to the distance of the centre of sphere of Universal-head 3 everywhere.
Conduction is covered sheet 6 and is also had a tongue piece 62, this tongue piece 62 extends also bending from the bottom of body 61 and goes out, tongue piece 62 becomes the bending extension of body 61, tongue piece 62 is through through slot (not label) default on tire gauge 1 shell 11, enter shell 11 inside, be inserted in the slot 120 of described circuit card 12, welded, both realize fixing with circuit card 12 physically, further realized the electric connection of cylindrical solenoid on tongue piece 62 and the circuit card 12 again electrically.Relative bending between tongue piece 62 and the body 61 is subjected to tire gauge 1 concrete profile restriction and adaptability design, and therefore, it is not enough to constitute limitation of the invention.In other words, tongue piece 62 can directly extend from body 61 bottoms, and needn't pass through any bending.
Conduction is covered on the body 61 of sheet 6, be provided with the guide groove 60 of a lengthwise, the plane that is constituted of the longitudinally of this guide groove 60 and circuit card 12 is perpendicular, like this, the reclining that just is equivalent between the axis of plane that regulating circuit plate 12 constituted and valve 2 of the adjusting tire gauge 1 realized of follow-up position-limiting action by first related parts and the reclining angle between the valve 2 concerns.This guide groove 60 is restricted to and is the lengthwise shape, be in order to limit the motion range and the scope of first related parts described later, and the transverse width of guide groove 60 also is limited, so that width that first related parts passes through guide groove 60 parts is just matched with the transverse width of guide groove 60.
Conduction is covered sheet 6 and can be inserted on the shell 11 by its side and realize fixingly in the default conduit (not shown), as be further reinforcing, it is also conceivable that to cover between sheet 6 and the buffer part 7 in conduction to lock with screw (not shown).
Described first related parts is presented as a bolt 8 in the present embodiment, and this bolt 8 has special design of the present invention, and it comprises double-screw bolt 82 and nut 81, is provided with dentalation (not shown) on nut 81 bottom surfaces.Double-screw bolt 82, aforementioned conduction are covered between the screw 30 of the slotted eye 70 of guide groove 60, buffer part 7 of sheet 6 and Universal-head 3 and are had certain corresponding relation, particularly, described guide groove 60 should can allow double-screw bolt 82 to pass through with slotted eye 70 at least, and the screw 30 of described Universal-head 3 is as second related parts, and its size then just allows double-screw bolt 82 screw lock with it.The nut 81 of bolt 8 has constituted locating part in the present embodiment, its minimum width covers the transverse width of sheet 6 guide grooves 60 greater than conduction, like this, when the double-screw bolt 82 of bolt 8 passes through the screw 30 of slotted eye 70 through Universal-heads 3 of guide groove 60 that conduction covers sheet 6 and buffer part 7, nut 81 meeting conflict conductions are covered the body 61 of sheet 6, just play spacing effect, stop bolt 8 to pass through this guide groove 60 fully with nut 81.Noticing among Fig. 2, can constitute the leak free effect when double-screw bolt 82 and Universal-head 3 screw locks, therefore, also is feasible even the hollow structure of valve 2 directly connects Universal-head 3, because this double-screw bolt 82 can seal valve 2 in the axial direction.
As seen, after Universal-head 3 and the interior concave spherical surface 74 of buffer part 7 are assembled mutually and are realized universal connection, also assemble mutually with passing first related parts that conduction covers sheet 6 guide grooves 60 and buffer part 7 slotted eyes 70 by second related parts on the Universal-head 3, thus make between Universal-head 3 and tire gauge 1 shell 11 be connected more firm.Because covering the evagination sphere 63 of sheet 6, conduction equates to the distance between Universal-head 3 centre ofs sphere everywhere, in Universal-head 3 rotation processes, conduction is covered the sphere realization concentric setting fully of evagination sphere 63 with the Universal-head 3 of sheet 6, thus, the distance that the nut 81 that uses as locating part in first related parts covers sheet 6 evagination spheres 63 to conduction also will remain unchanged, so just, be difficult for making nut 81 to be subjected to unnecessary resistance and to act on bolt 8 integral body, so that loosening the making of bolt 8 occur or loose or take off between tire gauge 1 and the valve 2.
Further, in conjunction with Fig. 1, Fig. 2 and Fig. 3, in order to prevent to cause mechanical wear as the friction that the bottom surface and the conduction of the nut 81 of locating part are covered between the sheet 6 evagination spheres 63, cover in locating part and conduction a pad slide block 9 is set between the sheet 6, this pad slide block 9 roughly is square, which is provided with the through hole 90 that can pass through for the double-screw bolt 82 of bolt 8, bolt 8 is at the through hole 90 through the process pad slide block 9 of going ahead of the rest before the guide groove 60, and then the motion of bolt 8 must drive being synchronized with the movement of pad slide block 9.Pad slide block 9 is provided with dentalation mating teeth shape structure 99 with nut 82 towards the one side 93 of nut 81,94 in the face that pad slide block 9 covers sheet 6 evagination spheres 63 towards conduction is processed into the indent smooth sphere, like this, after pad slide block 9 places bolt 8 and conduction to cover sheet 6 centres, its one side 93 is meshed with locating part and tightens, 94 of another sides cover sheet 6 with conduction and keep slidably relation, and thus, pad slide block 9 just can be driven synchronously by first related parts.And as the bolt 8 of first related parts in case with lock mutually as the screw 30 on the Universal-head 3 of second related parts, the chucking because the bottom surface of its nut 81 has been meshed with pad slide block 9, even bolt 8 is subjected to the effect of the power of general size, bolt 8 also is difficult for shaking off the meshing relation between its nut 81 and the pad slide block 9 and occurs getting loose, that is to say, keep extremely firm annexation between bolt 8 and Universal-head 3 screws 30.
In order further to guarantee the signal emission of tire gauge 1, conduction is covered sheet 6 and Universal-head 3, valve 2 all adopt the copper conducting metal except that limiting, the also suitable conducting metal spare that adopts of first related parts, second related parts and pad slide block 9, especially first related parts adopts conducting metal spare to seem necessary, and second related parts is in the present embodiment owing to refering in particular to the screw 30 that is formed directly on the Universal-head 3, so its material needn't limit in addition.By this, connection structure of the present invention is after installing on the wheel hub, and the launching circuit 121 on tire gauge 1 circuit card 12 is able to signal is covered sheet 6, first related parts, second related parts, Universal-head 3, the spatial emission of valve 2 outside wheel hub through conduction in succession.Owing to insulated by India rubber tube 5 between valve 2 and the wheel hub,, needn't worry under the normal circumstances that launching circuit 121 and wheel hub constitute short circuit so the signal of tire gauge 1 can well be propagated.
As shown in Figure 5 and Figure 6, a preferred cylindrical solenoid 128 is serially connected with launching circuit 121 as nonisulated multiturn coil and conduction is covered between the tongue piece 62 of sheet 6, nonisulated multiturn coil had both played the effect of impedance match herein, strengthen the transmission stability of valve 2 as the signal radiated element, increase signal transmission distance, can serve as slave antenna again.Cylindrical solenoid 128 among Fig. 5, annexation between transmission circuit 121 and the conduction tongue piece 62 realizes with the microstrip line that is printed on the circuit card 12 according to catenation principle shown in Figure 6, but microstrip line and not shown, those skilled in that art all know this technology important document, so only be illustrated herein.
More than disclosed a representative type embodiment of the present invention, can know by top description, tire gauge 1 of the present invention and valve 2 connection structures can obtain more excellent electrical specification and structural stability after using on the motor tire.
Based on spirit of the present invention, in other embodiments, can make suitable accommodation to invention, for example:
Fig. 7 and Fig. 8 among the common embodiment that discloses, described valve 2 is at close its air extractor duct 40 places and the one-body molded back seat boss 28 that is provided with of valve, and insulating fixing piece comprises seal gasket 51, first rubber cushion 52, nut 53, second rubber cushion 54 and the dust cap 55 that is set in succession on valve 2 bodys 4.These nut 53 preferred hexagonal nuts.Described seal gasket 51 is inconsistent with back seat boss 28, first rubber cushion 52 and second rubber cushion 54 are located between this nut 53 and the valve body 4 respectively at nut 53 two ends pads, because first rubber cushion 52 has certain radial wall thickness, and seal gasket 51 has one relatively from the boss 510 that narrows of body depression (it is less to show as radial dimension), so just form the circular hole of a confession and the wheel hub W1 fixing annular groove 50 that insulate mutually between seal gasket 51 and first rubber cushion 52, default screw thread 4001 screw lock mutually on nut 53 and the valve body 4, dust cap 55 also with the default screw thread 4002 of valve body 4 admission port outer walls mutually screw lock with the admission port of encapsulation valve 2.The structure of the insulating fixing piece that Fig. 7 disclosed is installed with wheel hub W1 as shown in Figure 8, can realize and the identical technique effect of last embodiment.
In a not shown embodiment, described buffer part 7 is omitted, and covers sheet 6 performance respective action by the conduction that is fixed on tire gauge 1 shell 11.Particularly, Universal-head 3 and conduction are covered 63 direct universal connections of interior concave spherical surface of sheet 6, locking directly matches with the screw 30 of Universal-head 3 in guide groove 60 backs that bolt 8 covers sheet 6 by the through hole 90 and the conduction of pad slide block 9.In this example, conduction need be covered the enlarged in thickness of sheet 6 and strengthen its with shell 11 between firm the connection.
In another not shown embodiment, described first related parts and second related parts are with more flexible way design.Particularly, with a nut (not shown) as first related parts, nut itself plays locating part simultaneously, be fixed on double-screw bolt (not shown) on the Universal-head 3 as second related parts with one, screw lock relation by nut and double-screw bolt can play the technique effect identical with aforementioned typical embodiment equally.
Or it is snap-fit relationship that first related parts and second related parts change threaded connection relation, in like manner also can realize the present invention.
In sum, derivative each embodiment on basis of the present invention, all can realize the adjustment of tire gauge with respect to the reclining angle of valve, and, can be when guaranteeing that tire gauge firmly is connected with valve, rotates flexibly, guarantee the high efficient and reliable transmission of signal, can also guarantee that further the tire gauge economic loss that is caused that is impacted reduces to minimum.
Above embodiment only in order to the explanation the present invention and and unrestricted technical scheme described in the invention; Therefore, although this specification sheets has been described in detail the present invention with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the present invention; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the middle of the claim scope of the present invention.
Claims (18)
1. tire gauge and air faucet connecting structure, tire gauge comprise the circuit card that is equiped with signal transmission circuit and the shell of this circuit card of encapsulation, it is characterized in that this connection structure comprises:
Universal-head is arranged on the valve axial end, is axially arranged with second related parts along valve;
Conduction is covered sheet, is fixed on the described shell, comprise body, in body extends to shell with circuit card in the tongue piece that electrically connects of transmission circuit, and the guide groove that connects the lengthwise of body, body has interior concave spherical surface and evagination sphere;
Universal-head keeps concentric setting with being somebody's turn to do interior universal connection of concave spherical surface with between this evagination sphere;
First related parts comprises stoping the locating part that self passes through this guide groove;
Insulating fixing piece is set in the valve periphery so that valve and wheel hub insulation are fixing;
One of two relateds parts match fixing through this guide groove with another related parts;
The signal of tire gauge transmission circuit covers sheet, first related parts, second related parts, Universal-head, valve to spatial emission through this conduction in succession.
2. tire gauge according to claim 1 and air faucet connecting structure is characterized in that: this locating part and conduction are covered and are provided with the pad slide block between the sheet, and the pad slide block is provided with the through hole that passes through for one of related parts.
3. tire gauge according to claim 2 and air faucet connecting structure is characterized in that: the face that described pad slide block covers sheet towards conduction is the spill smooth sphere.
4. tire gauge according to claim 2 and air faucet connecting structure is characterized in that: described pad slide block and described locating part face toward each other are provided with one of at least the dentalation that increases friction force.
5. tire gauge according to claim 2 and air faucet connecting structure is characterized in that: described pad slide block and described locating part face toward each other are equipped with intermeshing dentalation.
6. according to any described tire gauge and air faucet connecting structure in the claim 1 to 5, it is characterized in that: described valve comprises the tubular body, body from the air extractor duct that the tube wall side passes, is provided with thickness weak link less than body all the other position thickness around this body in the formation one of air inlet end.
7. tire gauge according to claim 6 and air faucet connecting structure is characterized in that: described weak link is through described air extractor duct setting.
8. according to any described tire gauge and air faucet connecting structure in the claim 1 to 5, it is characterized in that: described conduction is covered sheet, first related parts and second related parts and is conducting metal spare.
9. according to any described tire gauge and air faucet connecting structure in the claim 1 to 5, it is characterized in that: described conduction is covered between the transmission circuit of sheet and described tire gauge and is serially connected with nonisulated multiturn coil.
10. tire gauge according to claim 9 and air faucet connecting structure is characterized in that: described nonisulated multiturn coil is a cylindrical solenoid.
11. according to any described tire gauge and air faucet connecting structure in the claim 1 to 5, it is characterized in that: described first related parts is a bolt, and its nut is defined as described locating part, described second related parts is the screw that is preset on the Universal-head.
12. according to any described tire gauge and air faucet connecting structure in the claim 1 to 5, it is characterized in that: described first related parts is a nut, is defined as described locating part, described second related parts is that one is preset in the screw on the Universal-head.
13. according to any described tire gauge and air faucet connecting structure in the claim 1 to 5, it is characterized in that: it is one-body molded that described conduction is covered the body and the tongue piece of sheet, and tongue piece is the bending extension of body.
14. according to any described tire gauge and air faucet connecting structure in the claim 1 to 5, it is characterized in that: this connection structure comprises also and the integrated buffer part of shell that this buffer part places conduction to cover between sheet and the Universal-head.
15. tire gauge according to claim 15 and air faucet connecting structure, it is characterized in that: this buffer part has the conduction of substituting and covers the direct and interior concave spherical surface of the universal bonded assembly of Universal-head of sheet, with cover the outer concave spherical surface that the interior concave spherical surface of sheet fits with conduction, and cover the slotted eye of the corresponding perforation of guide groove of sheet with conduction.
16. according to any described tire gauge and air faucet connecting structure in the claim 1 to 5, it is characterized in that: described conduction covers sheet and valve is copper conducting metal spare.
17. according to any described tire gauge and air faucet connecting structure in the claim 1 to 5, it is characterized in that: described insulating fixing piece is one to be the India rubber tube of sleeve-like, and this India rubber tube is provided with the fixing annular groove that contacts with the circular hole of wheel hub in the side near Universal-head.
18. according to any described tire gauge and air faucet connecting structure in the claim 1 to 5, it is characterized in that: described insulating fixing piece comprises seal gasket, first rubber cushion, nut, second rubber cushion and the dust cap that is set in succession on the valve, first rubber cushion and second rubber cushion are established respectively at nut two ends pad, form one between seal gasket and first rubber cushion for the fixing annular groove that insulate mutually of the circular hole with wheel hub, nut and valve be screw lock mutually, dust cap also with valve mutually screw lock with the admission port of encapsulation valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102131343A CN101863201B (en) | 2010-06-24 | 2010-06-24 | Tire pressure gauge and air faucet connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102131343A CN101863201B (en) | 2010-06-24 | 2010-06-24 | Tire pressure gauge and air faucet connecting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101863201A true CN101863201A (en) | 2010-10-20 |
| CN101863201B CN101863201B (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102131343A Withdrawn - After Issue CN101863201B (en) | 2010-06-24 | 2010-06-24 | Tire pressure gauge and air faucet connecting structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN101863201B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2011160315A1 (en) * | 2010-06-24 | 2011-12-29 | 广东铁将军防盗设备有限公司 | Impact-protection and damage-reduction structure with tire pressure gauge for air valve |
| CN103158451A (en) * | 2013-03-27 | 2013-06-19 | 上海为彪汽配制造有限公司 | Touch type tire pressure sensor |
| TWI499523B (en) * | 2011-07-06 | 2015-09-11 | 為升電裝工業股份有限公司 | Tire pressure sensor and nozzle assembly |
| CN105109285A (en) * | 2015-10-12 | 2015-12-02 | 铁将军汽车电子有限公司 | Tire gauge |
| CN106004265A (en) * | 2016-06-23 | 2016-10-12 | 广东伟力通汽车用品有限公司 | Tire pressure sensor |
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| WO2011160315A1 (en) * | 2010-06-24 | 2011-12-29 | 广东铁将军防盗设备有限公司 | Impact-protection and damage-reduction structure with tire pressure gauge for air valve |
| TWI499523B (en) * | 2011-07-06 | 2015-09-11 | 為升電裝工業股份有限公司 | Tire pressure sensor and nozzle assembly |
| CN103158451A (en) * | 2013-03-27 | 2013-06-19 | 上海为彪汽配制造有限公司 | Touch type tire pressure sensor |
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| CN106004265A (en) * | 2016-06-23 | 2016-10-12 | 广东伟力通汽车用品有限公司 | Tire pressure sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101863201B (en) | 2013-09-18 |
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Effective date of registration: 20141205 Address after: Peace Avenue steelmate Industrial Park 528425 Guangdong city of Zhongshan province Dong Feng Zhen Dong Fu Lu Patentee after: STEELMATE CO., LTD. Address before: Peace Avenue steelmate Industrial Park 528425 Guangdong city of Zhongshan province Dong Feng Zhen Dong Fu Lu Patentee before: Guangdong Steelmate Security Co., Ltd. |
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Address after: Peace Avenue steelmate Industrial Park 528425 Guangdong city of Zhongshan province Dong Feng Zhen Dong Fu Lu Patentee after: Rail car electronic Limited by Share Ltd Address before: Peace Avenue steelmate Industrial Park 528425 Guangdong city of Zhongshan province Dong Feng Zhen Dong Fu Lu Patentee before: STEELMATE CO., LTD. |
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