CN115195360A - Tire pressure detecting device - Google Patents
Tire pressure detecting device Download PDFInfo
- Publication number
- CN115195360A CN115195360A CN202111283424.XA CN202111283424A CN115195360A CN 115195360 A CN115195360 A CN 115195360A CN 202111283424 A CN202111283424 A CN 202111283424A CN 115195360 A CN115195360 A CN 115195360A
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- China
- Prior art keywords
- detecting device
- tire pressure
- pressure detecting
- wall
- annular end
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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
Abstract
The invention discloses a tire pressure detecting device which is suitable for being fixed on a wheel frame. The wheel frame has an inner annular wall, an outer annular wall and a connecting wall. The connecting wall is connected between the inner annular wall and the outer annular wall. The inner annular wall is provided with a first annular end face and a second annular end face which are opposite. The tire pressure detecting device comprises a body and a fixing piece. The body is adapted to be disposed on the connecting wall and adjacent to the first annular end surface. The fixing piece is connected to the body and extends from the first annular end face to the second annular end face so as to be clamped on the inner annular wall.
Description
Technical Field
The present disclosure relates to tire pressure detecting devices, and particularly to a tire pressure detecting device.
Background
Since the state of tires is closely related to driving safety, many vehicles are currently equipped with a Tire Pressure Monitoring System (TPMS). The tire pressure detecting system comprises a plurality of tire pressure detecting devices to detect the tire pressure of each tire in real time.
Generally, the tire pressure detecting device can be classified into an in-tire type and an out-tire type. The tire pressure detecting device is directly mounted on the air valve of the tire, but when the vehicle is driven for a long time, the risk of breaking the air valve may be caused. The tire pressure detecting device is usually adhered to the wheel rim by the adhesive, but when the vehicle is driven for a long time, the adhesive may be degraded, resulting in the falling of the tire pressure detecting device.
Disclosure of Invention
The invention provides a tire pressure detecting device, which is used for improving the mounting firmness.
The tire pressure detecting device provided by the invention is suitable for being fixed on a wheel frame, and the wheel frame is provided with an inner annular wall, an outer annular wall and a connecting wall. The connecting wall is connected between the inner annular wall and the outer annular wall. The inner annular wall is provided with a first annular end face and a second annular end face which are opposite. The tire pressure detecting device comprises a body and a fixing piece. The body is adapted to be disposed on the connecting wall and adjacent to the first annular end surface. The fixing piece is connected to the body and extends from the first annular end face to the second annular end face so as to be clamped on the inner annular wall.
In an embodiment of the invention, the fixing member includes a connecting portion, a first abutting portion, a second abutting portion, an extending portion, and a hook portion. The connecting part is connected to the side wall of the body. The first abutting part is connected with the connecting part and abuts against the first annular end face. The second abutting part abuts against the second annular end face. The extension part is connected between the first abutting part and the second abutting part. The hook part is connected to one side of the second abutting part, which is far away from the extending part, and abuts against the inner ring wall.
In an embodiment of the invention, the sidewall of the body has at least one fastening hole. The connecting part extends into the inner side of the side wall and is provided with at least one buckling part, and the at least one buckling part is buckled in the at least one buckling hole.
In an embodiment of the invention, the body abuts against the inner annular wall.
In an embodiment of the invention, the body includes an inner casing, a sensing module and an outer casing. The inner shell has a side wall, a bottom wall and an opening opposite to the bottom wall, wherein the side wall is connected to the bottom wall. The sensing module is arranged in the inner shell. The sensing module includes an air pressure sensing element. The outer housing and the inner housing are combined with each other. The outer case has a top wall opposite to the bottom wall, the top wall covering the opening and having a through hole.
In an embodiment of the invention, a material of the inner housing includes Acrylonitrile Butadiene Styrene (ABS) or polyvinyl chloride (PVC), and a material of the outer housing includes silicone.
In an embodiment of the invention, the body further includes a cover plate covering the opening. The cover plate is provided with a through hole, and the outer shell covers the cover plate.
In an embodiment of the invention, the body further includes an adhesive layer disposed on the inner casing and covering the sensing module. The sealing adhesive layer is provided with a through hole exposing the sensing module.
In an embodiment of the invention, the body further includes a power supply element disposed in the inner housing and electrically connected to the sensing module.
In an embodiment of the invention, the power supply element includes a battery module, a piezoelectric module, or a thermoelectric module.
In an embodiment of the invention, the sensing module further includes a temperature sensing element.
In an embodiment of the invention, the body further includes a wireless signal transceiver disposed in the inner housing and electrically connected to the sensing module.
In an embodiment of the invention, the tire pressure detecting device further includes a rubber layer disposed on the body. The adhesive layer is suitable for adhering the body to the connecting wall.
In an embodiment of the invention, the connecting wall of the wheel rim has a plurality of ribs, and the body abuts between two adjacent ribs.
The tire pressure detecting device of the invention is clamped on the inner ring wall of the wheel frame by the fixing piece, wherein the fixing piece extends from the first ring-shaped end surface to the second ring-shaped end surface of the inner ring wall so as to be completely clamped on the inner ring wall. Therefore, the tire pressure detecting device can be firmly installed on the wheel frame, and the driving safety is further improved. The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view illustrating a tire pressure detecting device fixed to a rim according to an embodiment of the present invention.
Fig. 2 is a perspective view of the tire pressure detecting device of fig. 1.
Fig. 3 is a schematic view of the relative position of the fixing member and the inner annular wall in fig. 2.
Fig. 4 is an exploded schematic view of a partial element of the body of fig. 2.
Fig. 5 is a cross-sectional schematic view of the body of fig. 2.
Fig. 6 is a schematic cross-sectional view of a body of a tire pressure detecting device according to another embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic view illustrating a tire pressure detecting device fixed to a rim according to an embodiment of the present invention. Fig. 2 is a perspective view of the tire pressure detecting device shown in fig. 1. Referring to fig. 1 and 2, the tire pressure detecting device 100 is fixed to the wheel frame W. The wheel frame W has an inner annular wall IW, an outer annular wall OW, and a connecting wall CW. The connecting wall CW is connected between the inner annular wall IW and the outer annular wall OW. The inner annular wall IW has opposite first and second annular end faces AS1 and AS2. The tire pressure detecting device 100 includes a body 110 and a fixing member 120. The body 110 is adapted to be disposed on the connecting wall CW adjacent to the first annular end surface AS1. The fixing member 120 is connected to the body 110 and extends from the first annular end surface AS1 to the second annular end surface AS2 to be clamped to the inner annular wall IW. In the embodiment, the tire pressure detecting device 100 is, for example, an in-tire type tire pressure detecting device 100, but the invention is not limited thereto.
Fig. 3 is a schematic view of the relative position of the fixing member and the inner annular wall in fig. 2. Referring to fig. 2 and 3, the fixing member 120 may have a connecting portion 121, a first abutting portion 122, a second abutting portion 123, an extending portion 124, and a hook portion 125. The connection part 121 is connected to the sidewall 111 of the body 110. The first abutting portion 122 is connected to the connecting portion 121 and abuts against the first annular end surface AS1. The second abutting portion 123 abuts on the second annular end face AS2. The extending portion 124 IS connected between the first abutting portion 122 and the second abutting portion 123, and can abut against an inner side surface IS (also shown in fig. 1) of the inner annular wall IW. The hook 125 is connected to a side of the second abutting portion 123 far from the extending portion 124 and hooks against the inner sidewall IW. In detail, the hook 125 of the present embodiment hooks against the edge E of the second annular end surface AS2 (also shown in fig. 1), but the invention is not limited thereto. In addition, the sizes of the first abutting portion 122, the second abutting portion 123, the extending portion 124 and the hook 125 can be adjusted according to the size of the inner circumferential wall IW of the wheel frame W, so that the fixing member 120 can be firmly clamped on the inner circumferential wall IW of the wheel frame W. In the present embodiment, the material of the fixing member 120 may include metal, but is not limited thereto.
Fig. 4 is an exploded schematic view of a partial element of the body of fig. 2. Referring to fig. 2, 3 and 4, the sidewall 111 of the body 110 may have at least one fastening hole H, and the connecting portion 121 extends into the sidewall 111 and may have at least one fastening portion I corresponding to the at least one fastening hole H. Specifically, the body 110 includes, for example, an inner housing 112 and an outer housing 114, and the side wall 111 is, for example, a side wall of the inner housing 112. In the embodiment, the sidewall 111 has three fastening holes H, and the connecting portion 121 has three fastening portions I, but the number is not limited thereto. The fastening portions I are fastened to the fastening holes H, respectively, so that the fixing member 120 can be fixed to the sidewall 111 of the body 110.
Referring to fig. 1 and fig. 2 again, the main body 110 of the present embodiment can abut against the inner circumferential wall IW. Specifically, one side of the main body 110 connected to the fixing member 120 may abut against the inner sidewall IW, and together with the first abutting portion 122 and the extending portion 124 of the fixing member 120, clamp the inner sidewall IW, so as to further enhance the mounting stability of the tire pressure detecting device 100. On the other hand, the shape of the body 110 can be adjusted according to the detailed structure of the wheel frame W. For example, in the present embodiment, the connecting wall CW of the wheel frame W may have a plurality of ribs R, and the body 110 may abut between two adjacent ribs R. In detail, opposite ends of the body 110 abut against two adjacent ribs R of the rim W to fix the position of the tire pressure detecting device 100 on the connecting wall CW. Thus, the tire pressure detecting device 100 is prevented from being displaced on the connecting wall CW when the rim W rotates at a high speed.
Fig. 5 is a schematic cross-sectional view of the body of fig. 2. Referring to fig. 4 and 5, the body 110 may further include a sensing module 113 in addition to the inner housing 112 and the outer housing 114. The inner housing 112 may have a bottom wall 1120 and an opening O opposite to the bottom wall 1120, in addition to the side wall 111, wherein the side wall 111 is connected to the bottom wall 1120. The sensing module 113 is disposed in the inner housing 112 and includes an air pressure sensing element 1130 for sensing air pressure in the inner housing 112. Outer housing 114 is joined to inner housing 112, and outer housing 114 has a top wall 1140 opposite bottom wall 1120. The top wall 1140 covers the opening O and has a through hole T1 (shown in fig. 4). In detail, the through hole T1 communicates with the inner space of the inner housing 112 so that the air pressure sensing element 1130 detects the tire pressure.
In the present embodiment, the body 110 may further include a cover plate 115 covering the opening O. The cap plate 115 has a through hole T2, and the outer case 114 covers the cap plate 115. Specifically, cover 115 can further seal the interior of inner housing 112, thereby protecting electronic components, such as sensing module 113, located within inner housing 112. Similarly, the through hole T2 of the cover 115 communicates with the inner space of the inner housing 112 and the through hole T1 of the outer housing 114, so that the air pressure sensing element 1130 detects the tire pressure.
Incidentally, the outer housing 114 may have a side wall 1141 connected to the top wall 1140, and the side wall 1141 of the outer housing 114 may overlap the side wall 111 of the inner housing 112 to improve the structural strength of the body 110. In the present embodiment, the material of the inner housing 112 and the material of the outer housing 114 are, for example, non-metal materials. For example, the material of inner housing 112 may include Acrylonitrile Butadiene Styrene (ABS) or Polyvinyl Chloride (PVC), and the material of outer housing 114 may include Silicone, but is not limited thereto.
In addition to the air pressure sensing element 1130, the sensing module 113 of the present embodiment may further include a temperature sensing element 1131. The temperature sensing device 1131 can detect the temperature of the air in the tire to provide more information about the tire. The body 110 further includes a circuit board B, and the air pressure sensing element 1130 and the temperature sensing element 1131 are disposed on the circuit board B. It can be appreciated that the body 110 may further include a power supply element 116 for supplying power to the sensing module 113. The power supply element 116 is disposed in the inner housing 112 and electrically connected to the sensing module 113, for example, electrically connected to the sensing module 113 through the internal circuit of the circuit board B. The power supply device 116 of the present embodiment includes, for example, a battery module, a piezoelectric (piezoelectric) module, or a thermoelectric (thermoelectric) module, but is not limited thereto. In particular, the piezoelectric module may convert pressure within the tire into electrical energy, and the thermoelectric module may convert thermal energy within the tire into electrical energy. In addition, the body 110 may further include a wireless signal transceiver 117 disposed in the inner housing 112 and electrically connected to the sensing module 113 for transceiving data of the air pressure sensing element 1130 and data of the temperature sensing element 1131. The wireless signal transceiver 117 is electrically connected to the sensing module 113 and the power supply 116 through a circuit inside the circuit board B, for example. Further, the wireless signal transceiving element 117 may be a Bluetooth (Bluetooth) transceiving element or a wireless communication (Wi-Fi) transceiving element, but is not limited thereto.
Additionally, the tire pressure detecting device 100 may further include a rubber layer 130 (shown in fig. 5) disposed on the body 110. The adhesive layer 130 bonds the body 110 to the connecting wall CW (shown in fig. 1) of the wheel frame W to further enhance the mounting firmness of the tire pressure detecting device 100. The adhesive layer 130 can be disposed on the bottom wall 1120 of the inner housing 112, but is not limited thereto. The adhesive layer 130 is, for example, a glue material suitable for being adhered to a metal surface, and can have characteristics of water resistance and high temperature resistance. Such as, but not limited to, 3M Company (3M Company) 944 double-sided tape.
Compared with the prior art, the tire pressure detecting device 100 of the embodiment is clamped to the wheel frame W by the fixing member 120, so that the problem of falling off of the tire pressure detecting device due to deterioration of the rubber in the prior art can be avoided. In addition, since the fixing element 120 extends from the first annular end surface AS1 to the second annular end surface AS2 of the inner annular wall IW to be completely clamped on the inner annular wall IW, the tire pressure detecting device 100 of the present embodiment can be firmly mounted on the wheel frame W, thereby improving the safety of driving.
Fig. 6 is a schematic cross-sectional view of a body of a tire pressure detecting device according to another embodiment of the present invention. The structure and advantages of the tire pressure detecting device 100a of the present embodiment are similar to those of the previous embodiments, and only the differences will be described below. The body 110a of the present embodiment omits the cover plate 115 of fig. 5, and the electronic components inside the inner housing 112 are protected by the sealant layer 118 a. Specifically, the sealant layer 118a is disposed in the inner casing 112 and covers the sensing module 113 and other electronic components, such as the power supply component 116 and the wireless signal transceiver component 117. In addition, the sealant layer 118a has a through hole T3 exposing the sensing module 113. Specifically, the sealant layer 118a has two through holes T3, respectively exposing the air pressure sensing element 1130 and the temperature sensing element 1131, so as to detect the air pressure and the temperature inside the tire. Additionally, the tire pressure detecting device 100a of the present embodiment may be disposed with the adhesive layer 130 of fig. 5, but is not limited thereto.
In summary, the tire pressure detecting device of the present invention employs a fixing member clamped to the inner annular wall of the wheel frame, wherein the fixing member extends from the first annular end surface to the second annular end surface of the inner annular wall to completely clamp the inner annular wall. Therefore, the tire pressure detecting device can be firmly arranged on the wheel frame, and the driving safety is further improved.
Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the present invention.
Claims (14)
1. A tire pressure detecting device is suitable for being fixed on a wheel frame, the wheel frame is provided with an inner ring wall, an outer ring wall and a connecting wall, the connecting wall is connected between the inner ring wall and the outer ring wall, the inner ring wall is provided with a first annular end face and a second annular end face which are opposite, the tire pressure detecting device is characterized by comprising:
a body adapted to be disposed on the connecting wall and adjacent to the first annular end surface; and
and the fixing piece is connected to the body and extends from the first annular end face to the second annular end face so as to be clamped on the inner annular wall.
2. The tire pressure detecting device as claimed in claim 1, wherein the fixing member has:
a connecting part connected to one side wall of the body;
a first abutting part connected to the connecting part and abutting against the first annular end face;
a second abutting part abutting against the second annular end face;
an extension part connected between the first abutting part and the second abutting part; and
a hook part connected to one side of the second contact part far away from the extension part and hooked against the inner ring wall.
3. The tire pressure detecting device of claim 2, wherein the sidewall of the body has at least one fastening hole, and the connecting portion extends into the sidewall and has at least one fastening portion fastened to the at least one fastening hole.
4. The tire pressure detecting device of claim 3, wherein the body abuts against the inner annular wall.
5. The tire pressure detecting device as claimed in claim 1, wherein the body comprises:
an inner shell having a side wall, a bottom wall and an opening opposite to the bottom wall, wherein the side wall is connected to the bottom wall;
a sensing module arranged in the inner shell, wherein the sensing module comprises an air pressure sensing element; and
an outer shell combined with the inner shell, wherein the outer shell is provided with a top wall opposite to the bottom wall, and the top wall covers the opening and is provided with a through hole.
6. The tire pressure detecting device as claimed in claim 5, wherein the material of the inner housing comprises acrylonitrile butadiene styrene or polyvinyl chloride, and the material of the outer housing comprises silicone.
7. The tire pressure detecting device as claimed in claim 5, wherein the body further includes a cover plate covering the opening, the cover plate has a through hole, and the outer casing covers the cover plate.
8. The tire pressure detecting device of claim 5, wherein the body further includes a sealant layer disposed in the inner housing and covering the sensing module, the sealant layer having a through hole exposing the sensing module.
9. The tire pressure detecting device of claim 5, wherein the body further includes a power supply element disposed in the inner housing and electrically connected to the sensing module.
10. The tire pressure detecting device of claim 9, wherein the power supply element comprises a battery module, a piezoelectric module or a thermoelectric module.
11. The tire pressure detecting device of claim 5, wherein the sensing module further comprises a temperature sensing element.
12. The tire pressure detecting device according to claim 5, wherein the body further includes a wireless signal transceiver disposed in the inner housing and electrically connected to the sensing module.
13. The tire pressure detecting device of claim 1, further comprising a glue layer disposed on the body and adapted to adhere the body to the connecting wall.
14. The tire pressure detecting device as claimed in claim 1, wherein the connecting wall of the rim has a plurality of ribs, and the body abuts between two adjacent ribs.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW110113149A TWI776464B (en) | 2021-04-13 | 2021-04-13 | Tire pressure monitoring device |
| TW110113149 | 2021-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115195360A true CN115195360A (en) | 2022-10-18 |
Family
ID=83574253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111283424.XA Pending CN115195360A (en) | 2021-04-13 | 2021-11-01 | Tire pressure detecting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115195360A (en) |
| TW (1) | TWI776464B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050110622A1 (en) * | 2003-11-26 | 2005-05-26 | Ching-Song Tsai | Tire pressure indicator |
| US20080282965A1 (en) * | 2007-05-14 | 2008-11-20 | Richard Nicholas Crano | Rim mounted pressure monitoring system for a tire |
| JP2009073253A (en) * | 2007-09-19 | 2009-04-09 | Honda Motor Co Ltd | Mounting structure of pneumatic pressure detection device |
| CN101577233A (en) * | 2008-05-05 | 2009-11-11 | 相丰科技股份有限公司 | Encapsulation structure of integrated circuit elements and manufacturing method thereof |
| CN102745025A (en) * | 2012-03-13 | 2012-10-24 | 浙江吉利汽车研究院有限公司 | Vehicle tire monitoring apparatus and method thereof |
| CN202742999U (en) * | 2012-11-09 | 2013-02-20 | 合肥昌辉汽车电子有限公司 | Self-powered tire pressure sensor device |
| TWM506724U (en) * | 2015-03-31 | 2015-08-11 | Picolink Technology Co Ltd | Internal tire pressure detection device |
| US20160314774A1 (en) * | 2015-02-20 | 2016-10-27 | Christopher E. Borman | Digital musical instrument and method for making the same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6357943B2 (en) * | 2014-07-18 | 2018-07-18 | 株式会社デンソー | Tire pressure detector |
| JP6507675B2 (en) * | 2015-01-28 | 2019-05-08 | 株式会社デンソー | Wheel position detection device and tire pressure detection system provided with the same |
| TWI736743B (en) * | 2018-02-14 | 2021-08-21 | 為升電裝工業股份有限公司 | Non-fixed tire pressure detector |
| TWM576542U (en) * | 2018-10-23 | 2019-04-11 | 系統電子工業股份有限公司 | Built-in tire pressure sensor fixing bracket |
| TWI692160B (en) * | 2019-05-14 | 2020-04-21 | 橙的電子股份有限公司 | Tire pressure sensor structure and forming method thereof |
-
2021
- 2021-04-13 TW TW110113149A patent/TWI776464B/en active
- 2021-11-01 CN CN202111283424.XA patent/CN115195360A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050110622A1 (en) * | 2003-11-26 | 2005-05-26 | Ching-Song Tsai | Tire pressure indicator |
| US20080282965A1 (en) * | 2007-05-14 | 2008-11-20 | Richard Nicholas Crano | Rim mounted pressure monitoring system for a tire |
| JP2009073253A (en) * | 2007-09-19 | 2009-04-09 | Honda Motor Co Ltd | Mounting structure of pneumatic pressure detection device |
| CN101577233A (en) * | 2008-05-05 | 2009-11-11 | 相丰科技股份有限公司 | Encapsulation structure of integrated circuit elements and manufacturing method thereof |
| CN102745025A (en) * | 2012-03-13 | 2012-10-24 | 浙江吉利汽车研究院有限公司 | Vehicle tire monitoring apparatus and method thereof |
| CN202742999U (en) * | 2012-11-09 | 2013-02-20 | 合肥昌辉汽车电子有限公司 | Self-powered tire pressure sensor device |
| US20160314774A1 (en) * | 2015-02-20 | 2016-10-27 | Christopher E. Borman | Digital musical instrument and method for making the same |
| TWM506724U (en) * | 2015-03-31 | 2015-08-11 | Picolink Technology Co Ltd | Internal tire pressure detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI776464B (en) | 2022-09-01 |
| TW202240138A (en) | 2022-10-16 |
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