Breakdown assistance kit comprising a measuring device with pressure release device and method for regulating the compressed air in a vehicle tire with a breakdown assistance kit

Description

[0001] The invention relates to a breakdown kit with a measuring unit and a pressure release device according to the preamble of claim 1, and to the use of such a kit according to the preamble of claim 7. Furthermore, the invention relates to a method for regulating the compressed air in a vehicle tire with a breakdown kit according to the preamble of claim 8.

[0002] Puncture repair kits or breakdown kits with a measuring unit are known in the prior art and are typically used to connect the kit to the vehicle tire or the tire valve via a hose. A puncture repair kit usually includes a compressor for generating compressed air, which is used to pump a sealant into the tire in the event of a puncture and / or to inflate the tire after sealing.

[0003] Release valves in tire repair kits are known, for example, from EP3383630. Such a tire repair kit has a manually operated pressure release valve for reducing tire pressure, wherein the pressure release valve is designed such that actuation or pressure release is prevented when a sealant container is connected and / or during the delivery of sealant from the sealant container into the tire. US 7926521 B2 discloses a device for injecting sealant and a method for injecting sealants, which are used to inject a sealant into the tire to seal a punctured pneumatic tire. Further prior art is disclosed in US 2010 / 108187 A1, US 10150266 B2, and US 2011 / 290372 A1.

[0004] Current developments in breakdown kits are leading to increasingly smaller components, which is why functional elements, such as a drain valve, must be combined with other elements or arranged differently on the breakdown kit, while still ensuring the functionality of the breakdown kit for the consumer.

[0005] This is where the present invention comes in. The object of the invention is to provide an improved breakdown assistance kit that simplifies its use for the user and is improved, in particular with regard to compressed air regulation.

[0006] The object of the present invention is achieved by a tire repair kit for sealing and inflating vehicle tires with the features of claim 1. Furthermore, the object of the present invention is achieved by a method for regulating the compressed air in a vehicle tire with a tire repair kit having the features of claim 8.

[0007] The problem is solved by a breakdown kit for sealing and inflating vehicle tires, comprising a compressor for generating compressed air, wherein the breakdown kit has at least one measuring device for detecting and displaying the physical pressure of a medium, wherein the measuring device has at least one pressure release device for regulating the air pressure, characterized in that the pressure release device has at least one sealing element which is arranged on an air duct which is connected to a pressure gauge of the measuring device and extends into the area of ​​the airflow to be measured, wherein the sealing element is movable into an open state for releasing the air or into a closed state.

[0008] Advantageously, the breakdown aid according to the invention, comprising a measuring device with at least one pressure release device for regulating the air pressure, can be manufactured more cost-effectively. Such a breakdown aid set is significantly more compact due to the combination of the measuring device and the pressure release device, thus simplifying its production. Furthermore, usability for the user is improved, as the compressed air pressure can be read and regulated directly. A pressure gauge is typically used as the measuring device, although other measuring devices are conceivable.

[0009] In a preferred embodiment of the invention, the pressure release device is integrated into the measuring device. The integrated pressure release device is therefore not a separate component, but is directly or indirectly connected to the measuring device. Advantageously, a breakdown kit with a pressure release device integrated into the measuring device can be manufactured in a more space-saving manner, making the kits smaller and more cost-effective to produce.

[0010] According to the invention, the pressure release device comprises at least one sealing element arranged on an air duct connected to a pressure gauge of the measuring device and extending into the area of ​​the airflow to be measured. The area of ​​the airflow to be measured is typically a section within a hose or duct through which air flows. This section has an opening through which the air duct extends. The air flows through the air duct to the pressure gauge, where the air pressure is measured. The air duct can particularly preferably be designed as a tube. Advantageously, the sealing element is designed such that the compressed air can be regulated via this element, allowing the user to individually adjust the pressure.

[0011] According to the invention, the sealing element is displaceable. Particularly preferably, the sealing element is displaceable in such a way that an open state for releasing compressed air or a closed state is created. In a particularly preferred embodiment, the sealing element is connected to the air duct and can be displaced by manually pressing down the pressure gauge. The sealing element is particularly preferably arranged in the compressed air area and closes the opening of this area. Advantageously, the sealing element can be moved into the area of ​​the airflow.

[0012] Preferably, the sealing element is also lockable by a spring. In this embodiment, the spring is arranged in the airflow area and presses the sealing element from the inside against the outer wall of the area through which the air duct extends, thus closing the opening. During use, the sealing element is pressed down against the spring, thereby opening the opening and releasing the air pressure. When the pressure is reduced by a user, the sealing element closes the opening again with the spring. Advantageously, the compressed air regulation process can thus be repeated as often as desired and is easy to operate.

[0013] In a further preferred embodiment of the invention, the sealing element is arranged in the area of ​​the airflow to be measured. Advantageously, the sealing element is arranged in the flow channel, as this simplifies the opening and closing mechanism of the measuring device for regulating the compressed air for the user.

[0014] Furthermore, the sealing element is preferably ring-shaped. In such a preferred embodiment, the sealing element is adapted to the shape of the opening. Typically, the opening extends circularly around the air duct, with the sealing element closing the opening. In a particularly preferred embodiment, the ring-shaped sealing element is disc-shaped. Other shapes are also conceivable.

[0015] In a further preferred embodiment of the invention, the measuring device is designed such that the pressure release device is opened by a user applying manual pressure to the measuring device, and the pressure release device closes again, in particular, when the manual pressure applied by the user is released. A significant advantage for the user is that the measuring device is easy to operate and the air pressure in the vehicle tire is easy to regulate.

[0016] Furthermore, the invention relates to the use of a described tire repair kit for sealing and inflating vehicle tires. In particular, the use relates to regulating the air pressure of a vehicle tire using the described tire repair kit. Advantageously, the user can regulate the air pressure in the vehicle tire more easily by using the tire repair kit according to the invention.

[0017] The object of the invention is further achieved by a method for regulating the compressed air in a vehicle tire with a breakdown assistance kit, in particular with a breakdown assistance kit as described, wherein the regulation of the compressed air in a vehicle tire is carried out via a measuring device with an integrated pressure release device.

[0018] Advantageously, regulating tire pressure is significantly easier for the user via a combination of a measuring device and an integrated pressure release mechanism, as they can read and adjust the pressure simultaneously. Furthermore, a combined component is considerably more compact, making the breakdown kit more cost-effective to manufacture.

[0019] In a preferred embodiment of the invention, the regulation of air pressure is carried out in the following steps: Reading the air pressure using a pressure gauge in the measuring device and regulating the air pressure by applying manual pressure to the measuring device, which opens the air release device.

[0020] Further advantages and features of the breakdown assistance kit and the method according to the invention, in addition to the description, will become apparent from the dependent claims, which relate to advantageous embodiments of the present invention and are not to be understood as limiting. The invention also encompasses combinations of features from different dependent claims, even if the dependent claims do not relate to each other or if they belong to different claim categories. Furthermore, combinations of preferred and particularly preferred embodiments can also be combined with one another. This also applies to the individual features of the exemplary embodiment discussed below, insofar as these are not obviously related to one another by a person skilled in the art. Character description

[0021] Further details and advantages of the present invention will become apparent from the following description of the exemplary embodiment in conjunction with the drawings. These show Figure 1a shows an embodiment of the breakdown assistance set according to the invention with a manometer in the closed state and Figure 1b shows the same embodiment of the breakdown assistance set according to the invention with a manometer in the open state.

[0022] Figure 1aFigure 1 shows an embodiment of the breakdown assistance kit according to the invention, comprising a pressure gauge 1 with an integrated pressure relief valve having a sealing element 2 in the closed position. The pressure gauge 1 includes a pressure sensor 3 and an air channel 4 that projects into the area of ​​the airflow 5. The pressure sensor 3 is arranged outside the area of ​​the airflow 5. A sealing element of the pressure relief valve 2 is designed as a disc and is held in the closed position by a spring 6. The air pressure is indicated by the pressure gauge 1 as air flows in the area of ​​the airflow 5 through the air channel 4 into the pressure sensor 3. The user can regulate the air pressure by applying manual pressure to the pressure sensor 3 and pushing against the spring 6. This opens the sealing element of the pressure relief valve 2. Figure 1bThe same embodiment of the breakdown assistance set according to the invention is shown in the open state. When the manual pressure applied by the user decreases, the sealing element of the pressure relief valve 2 closes again. Reference symbol list:

[0023] 1 Manometer 2 Sealing element of the pressure relief valve 3 Pressure gauge 4 Air duct 5 Area of ​​airflow 6 Spring

Claims

1. Puncture repair kit for sealing and inflating vehicle tyres, comprising a compressor for generating compressed air, wherein the puncture repair kit has at least one measuring device (1) for detecting and for displaying the physical pressure of a medium, wherein the measuring device (1) has at least one pressure release device for adjusting the air pressure, characterized in that the pressure release device has at least one sealing element (2) that is disposed on an air duct which is connected to a pressure gauge (3) of the measuring device (1) and extends into the region of the air flow to be measured, wherein the sealing element (2) can be displaced to an open state for releasing the air or to a closed state.

2. Puncture repair kit according to Claim 1, characterized in that the pressure release device (2) is integrated into the measuring device (1).

3. Puncture repair kit according to one of the preceding claims, characterized in that the sealing element (2) is able to be closed by a spring.

4. Puncture repair kit according to one of the preceding claims, characterized in that the sealing element (2) is disposed in the region of the air flow to be measured.

5. Puncture repair kit according to one of the preceding claims, characterized in that the sealing element (2) is of an annular, in particular disc-shaped, design.

6. Puncture repair kit according to one of the preceding claims, characterized in that the measuring device is designed in such a way that the pressure release device, in particular the sealing element (2) of the pressure release valve, is opened by a user exerting manual pressure on the measuring device (1), and the pressure release device, or the sealing element (2) of the pressure release valve, in particular closes again when the manual pressure exerted by the user is reduced.

7. Use of a puncture repair kit according to one of the preceding claims for sealing and inflating vehicle tyres.

8. Method for adjusting the compressed air in a vehicle tyre with a puncture repair kit according to one of Claims 1 to 6, characterized in that the adjustment of the compressed air in a vehicle tyre is performed by way of a measuring device (1) with an integrated pressure release device (2).