CN218750140U - Tire pressure sensor - Google Patents

Tire pressure sensor Download PDF

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Publication number
CN218750140U
CN218750140U CN202223185824.XU CN202223185824U CN218750140U CN 218750140 U CN218750140 U CN 218750140U CN 202223185824 U CN202223185824 U CN 202223185824U CN 218750140 U CN218750140 U CN 218750140U
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CN
China
Prior art keywords
circuit board
bending
arch
antenna
tire pressure
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CN202223185824.XU
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Chinese (zh)
Inventor
杨雪东
叶林洪
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Wenzhou Chedunwang Electronic Technology Co ltd
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Wenzhou Chedunwang Electronic Technology Co ltd
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Priority to CN202223185824.XU priority Critical patent/CN218750140U/en
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Abstract

The utility model relates to a tire pressure sensor, including casing and valve stem, the valve stem is connected on the casing rear side, it has opening installation cavity forward to open on the casing, be equipped with the power supply battery and the circuit board of electricity connection in the installation cavity, be equipped with the antenna on the circuit board, the one end of antenna is connected on the terminal surface upside before the circuit board, the other end of antenna is connected on the terminal surface downside before the circuit board, the middle part of circuit board is bent towards circuit board rear side and is formed with first arch of bending and the arch of second bending, the antenna is bent between first arch of bending and the arch of second bending and is formed with the linkage segment, the linkage segment is contradicted on the rear end face of circuit board, including the convex back convex part towards the rear side on the casing, set up the antenna mounting groove of passing back convex part backward on the installation cavity, first arch of bending and second bending arch are all laminated on the back lateral wall of antenna mounting groove, the utility model discloses simple structure, signal intensity is high.

Description

Tire pressure sensor
Technical Field
The utility model relates to an auto-parts technical field, especially a tire pressure sensor.
Background
The pressure of the tire directly affects the driving safety of a motor vehicle (such as an automobile or a motorcycle), so a tire pressure sensor assembly is generally installed in the tire of the motor vehicle, when the motor vehicle is driven, the tire pressure sensor assembly automatically monitors the pressure of the tire in real time, monitoring data (generally including temperature and tire pressure) are sent to a receiver inside the motor vehicle, and a driver can judge the safety condition of the tire of the motor vehicle in driving by observing display platform data or an alarm sound sent by the receiver. Because the signal intensity of the existing tire pressure sensor can be further improved, the antenna with a complex structure can be arranged on part of the tire pressure sensor in order to enhance the signal intensity of the tire pressure, and therefore the production difficulty and the manufacturing cost are improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides an antenna structure is simple and signal strength is high tire pressure sensor has solved the above-mentioned problem that exists in the use among the prior art.
The technical scheme of the utility model is realized like this: the utility model provides a tire pressure sensor, is including casing and valve stem, the valve stem is connected on the casing rear side, it has opening installation cavity forward to open on the casing, be equipped with power supply battery and the circuit board of electricity connection in the installation cavity, be equipped with the antenna on the circuit board, the one end of antenna is connected on the terminal surface upside before the circuit board, the other end of antenna is connected on the terminal surface downside before the circuit board, the middle part of antenna is bent towards circuit board rear side and is formed with first arch of bending and second arch of bending, the antenna is bent between first arch of bending and second arch of bending and is formed with the linkage segment, the linkage segment is contradicted on the rear end face of circuit board, including the convex back convex part of orientation rear side on the casing, set up the antenna mounting groove of passing back convex part on the installation cavity, first arch of bending and second arch of bending are all laminated on the back lateral wall of antenna mounting groove.
Preferably, the first bending arch and the second bending arch are arranged in parallel from left to right, and both the first bending arch and the second bending arch extend from the upper side of the circuit board to the lower side of the circuit board.
Preferably, the antenna is in a shape of a circular strip.
Preferably, be equipped with tire pressure sensing module on the rear end face of circuit board, it has the air vent that pierces through into the installation cavity to open on the rear side of casing, the air vent is corresponding with tire pressure sensing module, the casing is equipped with the convex annular seat of orientation installation cavity around the air vent, be equipped with the sealing washer in the annular seat, the front end protrusion annular seat of sealing washer, tire pressure sensing module compresses tightly on the sealing washer.
Preferably, the front side upper cover of casing has closed the apron, the apron forms the closure to the installation cavity, including towards the bellied apron lid limit of casing on the edge of apron, the apron lid limit glues and glues on the casing front side.
Preferably, the side wall of the casing is integrally formed with a supporting block protruding towards the mounting cavity, the circuit board is placed on the supporting block, the cover plate is provided with a convex column protruding towards the circuit board, and the convex column is supported on the front end face of the circuit board.
Preferably, the rear side of the housing is integrally formed with a connecting seat, an upper end screw of the valve rod is connected to the connecting seat, an air inlet is formed in the lower end of the valve rod, an air outlet is formed in the side wall of the valve rod, the two air outlets are symmetrically arranged, the valve rod is fixedly connected with an inner supporting plate on the lower side of the air outlet, fixing threads are formed in the lower side of the inner supporting plate of the valve rod, locking nuts are connected to the fixing threads through threads, sealing rubber rings are arranged between the inner supporting plates of the locking nuts, the upper end faces of the sealing rubber rings are attached to the inner supporting plate, a sealing sleeve protruding towards the locking nuts is arranged on the lower end face of each sealing rubber ring, the outer contour of the sealing sleeve is in an inverted cone shape, and an air nozzle cap is connected to the position of the air inlet of the valve rod through threads.
To sum up, the beneficial effects of the utility model reside in that:
1. the utility model discloses bend by an antenna and be formed with first arch of bending and the arch of second bending, first arch of bending and the arch of second bending are encircleed towards the rear side bulge of circuit board, thereby strengthened the utility model discloses a signal strength, and the bending structure of this antenna is simple, conveniently process manufacturing, manufacturing cost is reduced, what need explain in addition, the one end of this antenna is connected on terminal surface upside before the circuit board, the other end is connected on terminal surface downside before the circuit board, and first arch of bending and second bending have the linkage segment of conflict on the circuit board rear end face between encircleing, the conflict of cooperation linkage segment is connected at the both ends of antenna, can guarantee that the antenna is firm reliable to be installed on the circuit board.
2. The first bending arch and the second bending arch are arranged in parallel from left to right, and both the first bending arch and the second bending arch extend from the upper side of the circuit board to the lower side of the circuit board.
3. The round strip-shaped antenna is convenient for bending processing.
In the figure: 1. a housing; 11. a mounting cavity; 12. a rear projection; 13. an antenna mounting slot; 14. a vent hole; 15. an annular seat; 16. a holding block; 17. a connecting seat; 2. a valve stem; 21. an air inlet; 22. an air outlet; 23. an inner abutting plate; 24. fixing threads; 3. a power supply battery; 4. a circuit board; 5. an antenna; 51. the first bending is arched; 52. the second bending is arched; 53. a connecting section; 6. a tire pressure sensing module; 7. a seal ring; 8. cover plate (ii) a; 81. covering edges of the cover plate; 82. a convex column; 91. locking the nut; 92. sealing the rubber ring; 93. sealing sleeves; 94. an air nozzle cap.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 viewed from the rear side;
FIG. 3 is an exploded view of the present invention with the valve stem portion removed;
FIG. 4 is a schematic view of the structure of FIG. 3 viewed from the rear side;
FIG. 5 is a schematic structural view of a power supply battery and a circuit board of the present invention;
fig. 6 is a schematic structural view of the valve stem portion of the present invention.
In the figure: 1. a housing; 11. a mounting cavity; 12. a rear projection; 13. an antenna mounting slot; 14. a vent hole; 15. an annular seat; 16. a holding block; 17. a connecting seat; 2. a valve stem; 21. an air inlet; 22. an air outlet; 23. an inner abutting plate; 24. fixing threads; 3. a power supply battery; 4. a circuit board; 5. an antenna; 51. the first bending is arched; 52. the second bending is arched; 53. a connecting section; 6. a tire pressure sensing module; 7. a seal ring; 8. a cover plate; 81. covering edges of the cover plate; 82. a convex column; 91. locking the nut; 92. sealing the rubber ring; 93. sealing sleeves; 94. an air nozzle cap.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 6 of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The embodiment is as follows:
as shown in fig. 1 to 6, the utility model discloses a tire pressure sensor, it is including casing 1 and valve stem 2, this valve stem 2 is connected on casing 1 rear side, and open the installation cavity 11 that has the opening forward on casing 1, be equipped with supply battery 3 and circuit board 4 of electricity connection in installation cavity 11, and be equipped with antenna 5 on the circuit board 4, wherein, antenna 5's one end is connected on circuit board 4 preceding terminal surface upside, antenna 5's the other end is connected on circuit board 4 preceding terminal surface downside, and antenna 5's middle part is bent towards circuit board 4 rear side and is formed with first arch 51 and second arch 52 of bending, first arch 51 and second arch 52 of bending are used for strengthening the utility model discloses a signal strength, in addition, antenna 5 bends between first arch 51 and second arch 52 and is formed with linkage segment 53, this linkage segment 53 conflicts on circuit board 4's rear end face, because the both ends of own antenna 5 are just connected on circuit board 4, so in addition linkage segment 53, just can cooperate the both ends of antenna 5 to press from both ends to press from both sides tight antenna 5 and connect on the reliable antenna 4 on the casing 4, thereby make the installation cavity 12 of antenna 12 more compact behind the antenna 12 of the installation cavity of mounting panel design have all seted up the convex part including the convex part of the rear side of bending on the installation cavity 13 of the aforesaid of the installation of the rear side of the antenna 11.
Specifically, the first bending arch 51 and the second bending arch 52 are arranged in parallel from left to right, and the first bending arch 51 and the second bending arch 52 both extend from the upper side of the circuit board 4 to the lower side of the circuit board 4, so that the coverage area of the first bending arch 51 and the second bending arch 52 is enlarged as much as possible, thereby further enhancing the signal strength.
In addition, the antenna 5 is in the shape of a circular strip, and the circular strip-shaped antenna 5 is convenient for bending, and if the connection section 53 is bent, since the first bending arch 51 and the second bending arch 52 are arranged in parallel, the connection section 53 is always bent from the first bending arch 51 toward the second bending arch 52 in an inclined manner, and it is difficult to form the connection section 53 if the antenna 5 is bent in an inclined manner in other shapes (for example, a strip shape) than the circular strip shape.
The utility model discloses in, be equipped with tire pressure sensing module 6 on the rear end face of circuit board 4, and it has the air vent 14 that pierces through into installation cavity 11 to open on casing 1's the rear side, wherein air vent 14 is corresponding with tire pressure sensing module 6, in addition, casing 1 is still equipped with on the periphery of air vent 14 towards installation cavity 11 convex annular seat 15, and be equipped with sealing washer 7 in the annular seat 15, the front end protrusion annular seat 15 of this sealing washer 7, and tire pressure sensing module 6 compresses tightly on sealing washer 7, when carrying out work, gas in the tire gets into tire pressure sensing module 6 through air vent 14 warp sealing washer 7, tire pressure sensing module 6 feeds back to circuit board 4 through the atmospheric pressure parameter that records gas, circuit board 4 transmits the tire pressure parameter to on the vehicle-mounted display screen through antenna 5.
The utility model discloses in, having closed apron 8 at the front side upper cover of casing 1, apron 8 is used for forming the closure to installation cavity 11, and is concrete, including on apron 8's the edge towards the bellied apron lid limit 81 of casing 1, should lap lid limit 81 and glue glutinous on casing 1 front side, directly fix through gluing, can prevent that apron 8 from droing from casing 1, cause the abnormal sound in the tire.
In order to reliably mount the circuit board 4, a supporting block 16 protruding toward the mounting cavity 11 is integrally formed on the side wall of the housing 1, the circuit board 4 is placed on the supporting block 16, and a convex pillar 82 protruding toward the circuit board 4 is provided on the cover plate 8, and the convex pillar 82 abuts against the front end surface of the circuit board 4.
The valve stem 2 is attached to the rear side of the housing 1 in such a manner that: a coupling seat 17 is integrally formed on the rear side of the housing 1, and the upper end screw of the valve stem 2 is coupled to the coupling seat 17. In addition, the structure of the valve rod 2 is as follows: air inlet 21 has been seted up to the lower extreme of valve stem 2, threaded connection has the air valve cap 94 on the position of air inlet 21 for valve stem 2, and gas outlet 22 has been seted up on the lateral wall of valve stem 2, gas outlet 22 is the symmetry and is provided with two, two gas outlets 22 can promote tire inflation efficiency, for inciting somebody to action the utility model discloses fix on the wheel hub of tire, support board 23 in fixedly connected with on the downside of gas outlet 22 for valve stem 2, and valve stem 2 still is equipped with fixed screw thread 24 on the downside of support board 23 including, and threaded connection has lock nut 91 on the fixed screw thread 24, for promoting the utility model discloses connect the sealing performance on the tire, be equipped with sealed rubber ring 92 between lock nut 91 and interior support board 23, support board 23 including this sealed rubber ring 92's up end laminating, and be equipped with towards lock nut 91 convex 93 on sealed rubber ring 92's the lower terminal surface, the outline of sealed rubber ring 93 is the form of inverted cone, when installing, valve stem 2 wears out from wheel hub, interior support board 23 and sealed rubber ring 92 is located on wheel hub, the inside wall 93 is located sealed rubber ring 92 on the wheel hub, then reliable sealed lock nut on the wheel hub, thereby the reliable sealed high-mounting is on the wheel hub.
The utility model that should point out simultaneously the utility model discloses the term of pointing out, like: the directional or positional relationships indicated as "front", "rear", "vertical", "horizontal", etc. are based on the directional or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the invention.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a tire pressure sensor, is including casing and valve stem, the valve stem is connected on the casing rear side, its characterized in that: open on the casing has the opening installation cavity forward, be equipped with the power supply battery and the circuit board of electricity connection in the installation cavity, be equipped with the antenna on the circuit board, the one end of antenna is connected on the terminal surface upside before the circuit board, the other end of antenna is connected on the terminal surface downside before the circuit board, the middle part of antenna is bent towards the circuit board rear side and is formed with first arch of bending and the arch of second bending, the antenna is bent between first arch of bending and the arch of second bending and is formed with the linkage segment, the linkage segment is contradicted on the rear end face of circuit board, including towards the convex back convex part of rear side on the casing, set up the antenna mounting groove of penetrating back convex part on the installation cavity, first arch of bending and the second bending arch are all laminated on the rear side wall of antenna mounting groove.
2. The tire pressure sensor according to claim 1, wherein: the first bending arch and the second bending arch are arranged in parallel from left to right, and both the first bending arch and the second bending arch extend from the upper side of the circuit board to the lower side of the circuit board.
3. The tire pressure sensor according to claim 2, wherein: the antenna is in a round bar shape.
4. The tire pressure sensor according to claim 1, wherein: the tire pressure sensing device is characterized in that a tire pressure sensing module is arranged on the rear end face of the circuit board, an air vent penetrating into the mounting cavity is formed in the rear side of the shell, the air vent corresponds to the tire pressure sensing module, a convex annular seat facing the mounting cavity is arranged on the periphery of the air vent of the shell, a sealing ring is arranged in the annular seat, the front end of the sealing ring protrudes out of the annular seat, and the tire pressure sensing module is tightly pressed on the sealing ring.
5. The tire pressure sensor according to claim 1, wherein: the front side upper cover of casing has closed the apron, the apron forms the closure to the installation cavity, including towards the bellied apron lid limit of casing on the edge of apron, the apron lid limit glues and glues on the casing front side.
6. The tire pressure sensor according to claim 5, wherein: the side wall of the shell is integrally formed with a supporting block protruding towards the mounting cavity, the circuit board is placed on the supporting block, the cover plate is provided with a convex column protruding towards the circuit board, and the convex column supports against the front end face of the circuit board.
7. The tire pressure sensor according to claim 1, wherein: the valve rod is fixedly connected with an inner supporting plate on the lower side of the gas outlet, the lower side of the inner supporting plate is provided with fixed threads, the fixed threads are connected with locking nuts in a threaded manner, sealing rubber rings are arranged between the inner supporting plates of the locking nuts, the upper end faces of the sealing rubber rings are attached to the inner supporting plate, sealing sleeves protruding towards the locking nuts are arranged on the lower end faces of the sealing rubber rings, the outer contours of the sealing sleeves are in an inverted cone shape, and the gas nozzle caps are connected with the gas inlet of the valve rod in a threaded manner.
CN202223185824.XU 2022-11-29 2022-11-29 Tire pressure sensor Active CN218750140U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223185824.XU CN218750140U (en) 2022-11-29 2022-11-29 Tire pressure sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223185824.XU CN218750140U (en) 2022-11-29 2022-11-29 Tire pressure sensor

Publications (1)

Publication Number Publication Date
CN218750140U true CN218750140U (en) 2023-03-28

Family

ID=85678293

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223185824.XU Active CN218750140U (en) 2022-11-29 2022-11-29 Tire pressure sensor

Country Status (1)

Country Link
CN (1) CN218750140U (en)

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