TWI624383B - Tire-pressure detecting structure and tire-pressure detecting device - Google Patents

Abstract

The invention provides a tire pressure detecting structure which is connected to a gas nozzle through a locking unit and includes a tire pressure detecting unit and a casing. The housing comprises a receiving space, a lower hole, an upper hole and a ring wall, the receiving space is for the tire pressure detecting unit, the upper hole corresponds to the lower hole, and the ring wall is connected between the upper hole and the lower hole to be liquid-tight. The space is accommodated, and an adjustment space connecting the upper hole and the lower hole is separated, wherein the locking unit or the air nozzle passes through the upper hole or the lower hole to be connected to each other. And adjust the space air supply nozzle or lock unit to adjust the angle. Thereby, the ring wall can make the accommodating space liquid-tight, and an adjustment space can be formed to adjust the angular position of the locking unit or the air nozzle, thereby allowing the tire pressure detecting structure to be mounted on tires of different sizes, and having the advantage of simple structure.

Description

Tire pressure detection structure and tire pressure detector

The invention relates to a tire pressure detecting structure and a tire pressure detecting device, and particularly relates to a tire pressure detecting structure and a tire pressure detecting device which can be applied to tires of different sizes.

Modern people mostly use vehicles, such as locomotives, cars or buses. Therefore, the safety of vehicle travel is highly valued. In addition to the regular inspection and maintenance of general mechanical parts, the tire pressure detection before and during driving is also very important.

Abnormal tire pressure can reduce vehicle handling and affect brake performance. If the tire pressure is too low, it is easy to increase fuel consumption and tire wear. Conversely, if the tire pressure is too high, there is a possibility that the chance of a puncture may increase. It is based on the legislation of different countries that require the installation of a tire pressure detection system to avoid traffic accidents caused by abnormal tire pressure.

The existing tire pressure detecting device comprises a tire pressure detecting unit, a casing and a locking hole portion. The tire pressure detecting unit is disposed in the casing, the locking hole portion is disposed outside the casing, and the locking hole portion is for a nozzle. Pass through to lock the nozzle, and then fix the housing Set on the steel ring of the tire. However, since the position and size of the keyhole portion are fixed, the connection angle of the air nozzle and the housing is fixed, so that the conventional tire pressure detector can only be applied to a specific tire rim, and if it is to be used for different tires, It is inconvenient to repurchase the tire pressure detector or add other components.

In view of this, how to effectively configure the tire pressure detection structure, and to produce a tire pressure detector that can be matched with different sizes of steel rings, has become the goal of the relevant industry.

The invention provides a tire pressure detecting structure and a tire pressure detecting device. The transmission structure of the tire pressure detector can be applied to tires of different sizes, and has the characteristics of simple structure and easy assembly.

According to an embodiment of the present invention, a tire pressure detecting structure is connected to a gas nozzle through a locking unit, and the tire pressure detecting structure includes a tire pressure detecting unit and a casing. The housing comprises a receiving space, a lower hole, an upper hole and a ring wall, the receiving space is for the tire pressure detecting unit, the upper hole corresponds to the lower hole, and the ring wall is connected between the upper hole and the lower hole to be liquid-tight. The space is accommodated, and an adjustment space connecting the upper hole and the lower hole is separated. The locking unit or the air nozzle passes through the upper hole or the lower hole to connect with each other, and adjusts the space supply nozzle or the locking unit to adjust the angle.

Thereby, the annular wall can make the accommodating space liquid-tight, and an adjustment space can be formed to allow the locking unit to adjust the angular position, so that the tire pressure detecting structure can be installed on different sizes of tires, and only the upper hole and the lower hole are needed. And the structural configuration of the ring wall can achieve the purpose of adapting the tire pressure detecting structure to different tires. Therefore, it has the advantages of simple structure and wide application.

According to the above tire pressure detecting structure, the upper hole and the lower hole can be substantially rounded to make the adjustment space be cylindrical. The upper hole may have a long axis direction and a long axis direction of the parallel long axis. The housing may have a substantially rectangular structure and have a long side and a long side of the parallel long side, and the long side direction is perpendicular to the long axis direction. The upper hole may have a through direction toward the lower hole, and the locking unit locks into the air nozzle in a locking direction, and the locking direction is at an angle to the through direction, and the angle is between 0 degrees and 90 degrees. The ring wall may include a section of the locking unit that abuts against the step portion when the adjustment space is locked to the air nozzle.

According to another embodiment of the present invention, a tire pressure detector is provided in a tire and includes a gas nozzle, a locking unit and a tire pressure detecting structure. The gas nozzle is detachably disposed on the tire, and the locking unit is detachably connected to the air nozzle. The tire pressure detecting structure comprises a tire pressure detecting unit and a casing, and the tire pressure detecting unit is configured to detect a tire pressure of the tire. The housing comprises a lower cover, an upper cover and a ring wall. The lower cover includes a hole and at least one limiting portion, and the upper cover is correspondingly disposed on the lower cover to form an accommodating space for the tire pressure detecting unit to accommodate and includes an upper hole and at least one pair of positions, the limiting portion and the alignment portion The part cooperates to position the upper cover and the upper cover, and the ring wall is connected between the upper hole and the lower hole to form a liquid-tight accommodation space, and is spaced apart from an adjustment space connecting the upper hole and the lower hole. The locking unit or the air nozzle passes through the upper hole or the lower hole to connect with each other, and adjusts the space supply nozzle or the locking unit to adjust the angle.

According to the above tire pressure detector, the upper hole and the lower hole can be substantially rounded to make the adjustment space have a cylindrical shape, and the upper hole can have a long axis and a long axis of the parallel long axis. One of the long axis parallel tires Axial. The housing may have a substantially rectangular structure and have a long side and a long side of the parallel long side, and the long side direction is perpendicular to the long axis direction. The ring wall may include a section of the locking unit that abuts against the step portion when the adjustment space is locked to the air nozzle. In addition, the locking unit may include a bolt and an elastic gasket. When the locking unit is locked to the air nozzle, the elastic gasket abuts against the step portion.

According to the above tire pressure detector, the upper hole may have a through direction toward the lower hole, and the locking unit locks into the air nozzle in a locking direction, and the locking direction is at an angle to the through direction, and the angle is between 0. Degree to 90 degrees. The locking unit package may include a top portion and a plug portion. When the locking unit enters the adjustment space and is locked to the air nozzle, the top portion is lower than the upper hole. The above-mentioned tire pressure detector may further include a signal transmitting portion disposed in the casing, and the signal transmitting portion configured to transmit the tire pressure by a signal.

100, 100a, 100b‧‧‧ tire pressure detection structure

110, 120‧‧‧ tire pressure detector

200, 200a, 200b‧‧‧ shell

210‧‧‧Upper cover

211‧‧‧Upper hole

212‧‧‧Parts

220‧‧‧Under the cover

221‧‧‧ Lower hole

222‧‧‧Limited Department

230, 230a, 230b‧‧‧

231, 231a, 231b‧‧

300‧‧‧Power supply

400‧‧‧ tire pressure detection unit

500, 500a, 500b‧‧‧ adjustment space

600a, 600b‧‧‧ gas nozzle

610a‧‧‧Keyhole

700a, 700b‧‧‧locking unit

710a‧‧‧ top

710b‧‧‧Bolt

720a‧‧‧plug

720b‧‧‧elastic gasket

Θ‧‧‧ angle

I1‧‧‧ long axis direction

I2‧‧‧ long-term direction

I3‧‧‧through direction

I4‧‧‧Lock in direction

T1, T2, T3‧‧‧ tires

1 is a perspective view of a tire pressure detecting structure according to an embodiment of the present invention; FIG. 2 is a schematic exploded view of the tire pressure detecting structure of FIG. 1; and FIG. 3 is another drawing according to the present invention. A cross-sectional view of a tire pressure detector disposed on a tire of the embodiment; FIG. 4 is a cross-sectional view of the tire pressure detector of FIG. 3 disposed on another tire; and FIG. 5 illustrates A cross-sectional view of a tire pressure detector according to still another embodiment of the present invention is disposed on another tire.

Embodiments of the present invention will be described below with reference to the drawings. For the sake of clarity, many practical details will be explained in the following description. However, the reader should understand that these practical details are not intended to limit the invention. That is, in some embodiments of the invention, these practical details are not necessary. In addition, some of the conventional structures and elements are illustrated in the drawings in a simplified schematic representation, and the

Please refer to FIG. 1 and FIG. 2 , wherein FIG. 1 is a perspective view of a tire pressure detecting structure 100 according to an embodiment of the present invention, and FIG. 2 is a view of the tire pressure detecting structure 100 of FIG. 1 . Schematic diagram of the explosion. The tire pressure detecting structure 100 is connected to a locking unit 700a (see FIG. 3) and a gas nozzle 600a (see FIG. 3) and includes a tire pressure detecting unit 400 and a casing 200. The housing 200 includes an accommodating space (not shown), a lower hole 221, an upper hole 211 and a ring wall 230. The accommodating space is accommodated by the tire pressure detecting unit 400. The upper hole 211 corresponds to the lower hole 221, and the ring wall 230 A liquid-tight accommodation space (not shown) is connected between the upper hole 211 and the lower hole 221, and an adjustment space 500 connecting the upper hole 211 and the lower hole 221 is spaced apart. The locking unit 700a or the air nozzle 600a passes through the upper hole 211 or the lower hole 222 to be connected to each other, and the air supply nozzle 600a or the locking unit 700a of the adjustment space 500 adjusts the angle.

Thereby, the adjustment space 500 can adjust the position of the locking unit 700a or the air nozzle 600a, and change the positional angle relationship between the housing 200 and the locking unit 700a, so that the tire pressure detecting structure 100 can be installed in different sizes. wheel The tire has the advantages of simple structure and wide application. The details of the tire pressure sensing structure 100 will be described in more detail later.

In this embodiment, the housing 200 has a rectangular structure, and further includes a lower cover 220 and an upper cover 210. The upper cover 210 is correspondingly disposed on the lower cover 220 to form an accommodation space. The lower cover 220 includes a lower hole 221, and the upper cover 210 includes an upper hole 211, and the upper hole 211 and the ring wall 230 are formed together when the upper cover 210 is formed, that is, the ring wall 230 is integrally formed on the upper cover 210 and the upper hole 211. Connect. In addition, the lower holes 221 are also formed together when the lower cover 220 is formed.

The upper cover 210 further includes a pair of positions 212. The lower cover 220 further includes a limiting portion 222. When the upper cover 210 is disposed on the lower cover 220, the alignment portion 212 cooperates with the limiting portion 222 to position the upper cover 210 and the lower portion. Cover 220. In more detail, during the manufacturing process, the tire pressure detecting unit 400 is first fixed on the lower cover 220, and the upper cover 210 is disposed on the lower cover 220, and is aligned with the positioning portion 212 and the limiting portion 222 to make the upper cover. There is no relative movement between the 210 and the lower cover 220. At this time, the ring wall 230 is aligned with the lower hole 221, and the upper cover 210 and the lower cover 220 are bonded by ultrasonic bonding, and the ring wall 230 and the lower hole 221 are also made one week. The edge (not labeled) is bonded and liquid-tightly accommodates the space.

In the present embodiment, the upper hole 211 is larger than the lower hole 221, and the ring wall 230 includes a step 231. However, in other embodiments, the presence of the step 231 is not necessary.

In addition, the above liquid-tight means that the liquid (for example, water) cannot enter the accommodating space, and the upper cover 210 further includes another pinhole (not shown) for the tire pressure detecting unit 400 to detect the external air pressure. The liquid-tight way of pinholes is I understand that I will not repeat them here.

The upper hole 211 and the lower hole 221 in the present embodiment are substantially in the shape of a round hole, so that the adjustment space 500 has a cylindrical shape. The upper hole 211 has a long axis (not shown) and a long axis direction I1 of the parallel long axis, and the housing 200 has a long side direction I2 of the long side of the parallel case 200. In the present embodiment, the long axis The direction I1 is perpendicular to the long side direction I2, but other embodiments are not limited thereto.

The tire pressure detecting structure 100 of the present embodiment may further include a power source 300 electrically connected to the tire pressure detecting unit 400 to provide power. In addition, the tire pressure detecting unit 400 can include a signal transmitting unit (not shown), and the signal transmitting unit is disposed in the housing 200 for transmitting the data measured by the tire pressure detecting unit 400.

Please refer to FIG. 3 , wherein FIG. 3 is a cross-sectional view showing a tire pressure detector 110 disposed on a tire T1 according to another embodiment of the present invention, and FIG. 4 is a tire pressure detection method according to FIG. The device 110 is disposed in a schematic cross-sectional view of another tire T2. The tire pressure detector 110 includes a gas nozzle 600a, a locking unit 700a and a tire pressure detecting structure 100a. The tire pressure detecting structure 100a includes a housing 200a, a ring wall 230a and an adjustment space 500a. The ring wall 230a of the housing 200a includes a step portion 231a, and the structure thereof is the same as that described in FIG. 1, and details are not described herein.

The locking unit 700a is a bolt in the embodiment. The structure of the air nozzle 600a is a conventional structure and includes a locking hole 610a for locking connection of the locking unit 700a. The locking unit 700a is connected to the air nozzle 600a by entering the adjustment space 500a in a locking direction I4. The locking unit 700a includes a top portion 710a. And a plug portion 720a, and the upper hole (not labeled) of the housing 200a has a through direction I3 toward the lower hole (not shown). As shown in FIG. 3, when the tire pressure detector 110 is locked to the tire T1, the through direction I3 is parallel to the locking direction I4, and the top portion 710a is lower than the upper hole or protrudes from the upper hole, thereby enabling tire pressure detection. The height of the device 110 when assembled to the tire T1 is reduced. As shown in FIG. 4, when the tire pressure detector 110 is locked to the tire T2, it is limited by the size relationship of the tire T2, so that the tire pressure detector 110 cannot be set to the tire T2 at an angle as shown in FIG. In this case, the locking unit 700a can adjust the position or angle in the adjustment space 500a so that the through direction I3 and the locking direction I4 are at an angle θ, and the angle θ can be between 0 degrees and 90 degrees, thereby changing The relative position of the air nozzle 600a and the housing 200a.

It should be particularly noted that when the locking unit 700a enters the adjustment space 500a and the air nozzle 600a is locked, it will be positioned against the step portion 231a, and then pressed against the fixed tire pressure detector 110 to make the tire pressure detector 110. Fixed to tires T1, T2. Moreover, since the adjustment space 500a can be used to adjust the angle and displacement of the locking unit 700a, the same tire pressure detector 110 can be mounted on different tires, and has the advantages of simple structure.

Referring to FIG. 5, FIG. 5 is a cross-sectional view showing a tire pressure detector 120 disposed on another tire T3 according to still another embodiment of the present invention. The tire pressure detector 120 includes a gas nozzle 600b, a locking unit 700b and a tire pressure detecting structure 100b. The tire pressure detecting structure 100b includes a housing 200b, a ring wall 230b, and an adjustment space 500b. The ring wall 230b of the housing 200b includes a step portion 231b, and the structure thereof is the same as that described in FIG. 1, and details are not described herein.

The locking unit 700b includes a bolt 710b and an elastic spacer 720b. When the adjusting unit 700b is locked to the air nozzle 600b, the elastic spacer 720b abuts against the step portion 231a, and the bolt 710b is locked. Resist the top elastic gasket 720b. Since the elastic spacer 720b has elasticity, it is slightly deformed after being pressed and is positioned to abut against the step portion 231b, so that the positional fastening relationship between the bolt 710b, the housing 200b and the air nozzle 600b can be increased, so that the tire pressure detection is performed. The device 120 is not easily released during the operation of the tire T3.

It should be particularly noted that the shape of the adjustment space is not necessarily a cylindrical shape, but may be a cylindrical shape or other shape, as long as there is sufficient space for the locking units 700a, 700b to adjust the angle and displacement, This is limited to this.

In addition, the rectangular structure of the casing may include rounded corners, arc angles, round ends or arc ends, and is not limited to a rectangular shape. In general, when the casing has a long side and a short side, it may be more Helps to install tires in all sizes.

As apparent from the above embodiments, the present invention has the following advantages.

1. The ring wall is connected to the upper hole and the lower hole to form an adjustment space, so that the locking unit and the air nozzle can adjust the angular position in the adjustment space, so the tire pressure detector can be installed on different sizes of tires.

Second, due to the simple configuration of the tire pressure detecting structure, only the upper hole, the lower hole and the ring wall of the housing are connected to each other to form an adjustment space, that is, the tire pressure detector can be used for different tires, and has a simple structure. And the advantages of a wide range of applications.

3. When the upper hole and the lower hole are in the shape of a round hole, Not only has the adjustment space for the locking unit to adjust the angle, but also has the advantages of easy production and high yield. If the housing is rectangular and the long axis direction is perpendicular to the long axis direction, and the long axis direction is parallel to the tire axis, it is more helpful. The tire pressure detector is mounted on tires of different sizes.

4. When the ring wall has a stepped portion and is abutted by the locking unit, it can help to fix the housing of the tire pressure detector to the tire.

5. If the upper hole and the lower hole are located in the center of the housing, the balance of the long sides can be maintained when the housing is fixed to the tire, which helps to increase the stability of the tire pressure detector during tire operation. To avoid falling off or damage due to vibration. It is to be noted that the "center of the casing" described above is not limited to the center or center position of the shape of the casing in the mathematical geometry, and is generally located in the middle portion of the casing.

6. When the locking unit includes bolts and elastic gaskets, the deformation of the elastic gaskets helps the positioning relationship between the locking unit, the casing and the air nozzle, and increases the installation stability.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and the present invention can be modified and modified without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached.

Claims (10)

A tire pressure detecting structure is connected to a gas nozzle through a locking unit, the tire pressure detecting structure comprises: a tire pressure detecting unit; and a casing comprising: a lower hole; a receiving space for the The tire pressure detecting unit is provided; an upper hole corresponding to the lower hole; and a ring wall connected between the upper hole and the lower hole to liquid-tightly accommodate the receiving space, and spaced apart from the upper hole and the lower hole An adjustment space of the hole; wherein the locking unit or the air nozzle passes through the upper hole or the lower hole to be connected to each other, and the adjustment space is used for adjusting the angle of the air nozzle or the locking unit. The tire pressure detecting structure according to claim 1, wherein the upper hole and the lower hole are substantially in the shape of a round hole so that the adjusting space has a cylindrical shape. The tire pressure detecting structure according to claim 2, wherein the upper hole has a long axis and a long axis direction parallel to the long axis, the case has a rectangular structure and has a long side and a parallel A long side direction of the long side, the long side direction being perpendicular to the long axis direction. The tire pressure detection knot as described in claim 1 The upper hole has a through direction toward the lower hole, the locking unit locks into the air nozzle in a locking direction, and the locking direction is at an angle to the through direction, the angle being between 0 degrees Between 90 degrees. The tire pressure detecting structure of claim 1, wherein the ring wall comprises a difference portion, and the locking unit abuts the step portion when the adjusting space is locked to the air nozzle. A tire pressure detector is disposed on a tire, the tire pressure detector comprises: a gas nozzle detachably disposed on the tire; a locking unit detachably connecting the gas nozzle; and a tire pressure detection The structure comprises: a tire pressure detecting unit for detecting a tire pressure of the tire; and a casing comprising: a lower cover, including a hole and at least one limiting portion; and an upper cover correspondingly disposed under the tire cover The cover is formed to form an accommodating space for the tire pressure detecting unit, and the upper cover includes an upper hole and at least one pair of seats, the limiting portion cooperates with the aligning portion to position the upper cover and the upper cover; And a ring wall that is connected between the upper hole and the lower hole to liquid-tightly accommodate the accommodation space, and is spaced apart from an adjustment space connecting the upper hole and the lower hole; wherein the locking unit or the air nozzle passes through The upper hole or the lower hole is connected to each other, and the adjustment space is used for adjusting the angle of the air nozzle or the locking unit degree. The tire pressure detector of claim 6, wherein the upper hole and the lower hole are substantially rounded to make the adjustment space have a cylindrical shape, and the upper hole has a long axis and Parallel to a major axis direction of the major axis, the major axis direction being parallel to an axial direction of the tire. The tire pressure detector according to claim 7, wherein the housing has a rectangular structure and has a long side and a longitudinal direction parallel to the long side, the long side direction being perpendicular to the long axis direction. The tire pressure detector of claim 6, wherein the upper hole has a through direction toward the lower hole, the locking unit locks into the air nozzle in a locking direction, and the locking direction An angle is formed with the through direction, the angle being between 0 and 90 degrees. The tire pressure detector of claim 6, wherein the locking unit comprises a top portion and a plug portion, and the top portion is lower than the top portion and the plug portion when the locking unit is locked into the adjusting space Hole in the hole.