Rapid pressure relief device of automobile massage seat

Abstract

The utility model discloses a quick pressure relief device of an automobile massage seat, which comprises a pressure relief main body, a pressure relief valve core and a pressure relief valve sleeve are arranged in the pressure relief main body, a pressure relief cover is clamped and mounted at the top of the pressure relief main body, the pressure relief valve core is longitudinally limited through a spring II mounted between the pressure relief cover and the pressure relief valve core, and the pressure relief valve sleeve is sleeved with the pressure relief valve sleeve. The pressure relief valve sleeve is longitudinally limited through a first spring installed between the pressure relief valve sleeve and the pressure relief cover. The utility model belongs to the technical field of automobile massage seats, and particularly relates to an automobile massage seat which is characterized in that when the air pressure in an air bag is larger than P1 (namely a first cavity), a pressure relief valve core overcomes a second spring to enable air in the first cavity to flow into a second cavity, when the air pressure in the second cavity is larger than P2, a pressure relief valve sleeve overcomes the first spring to enable air flow in the second cavity to be emptied outwards, and due to the fact that the compression area S2 of the second cavity is larger than the compression area S1 of the first cavity, the air flow in the first cavity is emptied. And the second spring is larger than the first spring, so that the ejection force of the pressure release valve sleeve is larger than that of the pressure release valve element, and the safety of a driver is protected to avoid secondary injury under special conditions.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile massage seat, specifically point to a quick pressure relief device of automobile massage seat. BACKGROUND

[0002] With the improvement of people's living standards and the development of automobile technology, people's comfort requirements for automobile seats are also getting higher and higher, and car seats have developed from a simple component to a more complex and precise component with higher requirements. The function of the automobile seat is gradually extended, and it is not only limited to providing a good driving and riding posture. At present, most of the seats of the automobile have the defect of single function, and long-time driving and riding are easy to produce fatigue.

[0003] Therefore, in the prior art, a new type of automobile seat with massage function appears, however, in the prior art, the massage device in the massage seat will be pressed on the human body during the massage process, and the human body will be squeezed to form a massage effect.

[0004] However, when the automobile encounters an impact, the massage device in the massage state will form a strong compression on the local position of the human body, causing harm to the human body. INVENTION CONTENTS

[0005] The technical problem to be solved by the utility model is:

[0006] The existing massage seat will be pressed on the human body during the massage process, but when the automobile encounters an impact, the massage device in the massage state will perform a strong compression on the contact part to cause harm.

[0007] To solve the above technical problems, the technical scheme provided by the utility model is: a quick pressure relief device of an automobile massage seat, comprising a pressure relief main body, a pressure relief valve core and a pressure relief valve sleeve are arranged in the pressure relief main body, the pressure relief valve sleeve is arranged outside the pressure relief valve core, a pressure relief cover is arranged on the top of the pressure relief main body, the pressure relief valve core is longitudinally limited by a spring two arranged between the pressure relief cover and the pressure relief valve core, and the pressure relief valve sleeve is longitudinally limited by a spring one arranged between the pressure relief valve sleeve and the pressure relief cover.

[0008] Further, the lower side of the pressure relief main body is a cavity one, and the upper side of the pressure relief main body is a cavity two.

[0009] Further, the pressure relief valve core is provided with two groups of upper and lower grooves, and the pressure relief cover and a sealing ring one are respectively arranged in the grooves.

[0010] Further, the pressure relief valve sleeve is provided with a groove, and the density ring is arranged in the groove.

[0011] Further, corresponding positions of the pressure relief cover and the pressure relief valve sleeve are respectively provided with annular clamping grooves, and the spring one is installed in the clamping grooves of the pressure relief cover and the pressure relief valve sleeve.

[0012] Further, corresponding positions of the pressure relief cover and the pressure relief valve core are respectively provided with counterbores, and the spring two is installed in the counterbores of the pressure relief cover and the pressure relief valve core.

[0013] Further, the sealing ring one, the sealing ring two and the density ring are respectively arranged close to the inner wall of the cavity two.

[0014] The automobile massage seat quick pressure relief device has the advantages that the pressure relief cover and the pressure relief valve sleeve are arranged in the cavity one, the pressure relief valve core is arranged in the cavity two, the spring one is arranged in the clamping grooves of the pressure relief cover and the pressure relief valve sleeve, the spring two is arranged in the counterbores of the pressure relief cover and the pressure relief valve core, the sealing ring one, the sealing ring two and the density ring are arranged close to the inner wall of the cavity two, and the pressure relief cover, the pressure relief valve sleeve, the pressure relief valve core, the spring one, the spring two, the sealing ring one, the sealing ring two and the density ring are arranged in the cavity one and the cavity two.

[0015] When the air pressure in the air bag is greater than P1 (i.e. the cavity one), the pressure relief valve core overcomes the spring two, and the gas in the cavity one flows into the cavity two; when the air pressure in the cavity two is greater than P2, the pressure relief valve sleeve overcomes the spring one, and the gas in the cavity two flows out, because the pressure receiving area S2 of the cavity two is greater than the pressure receiving area S1 of the cavity one, and the spring two is greater than the spring one, the opening force of the pressure relief valve sleeve is greater than the opening force of the pressure relief valve core, and when the pressure relief valve sleeve is opened, the pressure relief valve core is driven to be opened together with sufficient force difference, the safety of the driver is protected in a special situation, and secondary injury is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A cross-sectional view of the automobile massage seat quick pressure relief device is provided.

[0017] Figure 2 A use state diagram of the automobile massage seat quick pressure relief device is provided.

[0018] 1, pressure relief main body, 2, cavity one, 3, cavity two, 4, pressure relief valve core, 5, pressure relief valve sleeve, 6, pressure relief cover, 7, sealing ring one, 8, sealing ring two, 9, density ring, 10, spring one, 11, spring two, 12, air bag.

[0019] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with the embodiments of the present application, and do not constitute a limitation on the present application. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0021] As Figure 1 The utility model provides a quick pressure relief device of automobile massage seat, including pressure relief main body 1, pressure relief main body 1 is equipped with pressure relief valve core 4 and pressure relief valve bush 5, pressure relief valve bush 5 is equipped in the outside of pressure relief valve core 4, pressure relief main body 1 top clamping installation pressure relief cover 6, pressure relief valve core 4 is through the spring no. 11 between the longitudinal position of installation in pressure relief cover 6 and pressure relief valve core 4, pressure relief valve bush 5 is through spring no. 10 between the longitudinal position of installation in pressure relief valve bush 5 and pressure relief cover 6.

[0022] In order to form the pressure difference, the inside lower side of pressure relief main body 1 is cavity one 2, the inside upper side of pressure relief main body 1 is cavity two 3, when the air bag 12 inside air pressure is greater than P1 (i.e. cavity one 2), when the special automobile collides, pressure relief valve core 4 overcomes spring no. 11, and the gas in cavity one 2 flows into cavity two 3, when cavity two 3 air pressure is greater than P2, pressure relief valve bush 5 overcomes spring no. 10, and cavity two 3 gas flow is emptied to the outside, because the pressure area S2 of cavity two 3 is greater than the pressure area S1 of cavity one 2, and spring no. 11 is greater than spring no. 10, the pressure relief valve bush 5 can be opened greater than the pressure relief valve core 4, when the pressure relief valve bush 5 opens the movement, the pressure relief valve core 4 is driven to keep opening together with sufficient force difference, so that the air pressure P2 of cavity two 3 can continue to exhaust to the outside under the condition that the air pressure of cavity one 2 is much smaller, the air pressure in the air bag 12 can keep high pressure under normal working condition, and in special condition, the air pressure in the air bag 12 can be relieved to a lower air pressure value, so as to protect the driver safety and avoid secondary injury.

[0023] In order to buffer and seal, pressure relief valve core 4 is equipped with two groups of upper and lower grooves, pressure relief cover 6 and sealing ring one 7 are clamped in the groove respectively.

[0024] Meanwhile, pressure relief valve bush 5 is equipped with a groove, and density ring 9 is clamped in the groove.

[0025] In order to limit spring no. 10, the corresponding positions of pressure relief cover 6 and pressure relief valve bush 5 are respectively provided with annular clamping grooves, and spring no. 10 is installed in the clamping grooves of pressure relief cover 6 and pressure relief valve bush 5.

[0026] In order to limit spring no. 11, the corresponding positions of pressure relief cover 6 and pressure relief valve core 4 are respectively provided with counterbores, and spring no. 11 is installed in the counterbores of pressure relief cover 6 and pressure relief valve core 4.

[0027] Under the action of spring no. 11 and spring no. 10, sealing ring one 7, sealing ring two 8 and density ring 9 are respectively arranged tightly against the inner wall of cavity two 3.

[0028] When installing, sealing ring one 7 and sealing ring two 8 are sleeved into the grooves of pressure relief valve core 4, density ring 9 is sleeved into the groove of pressure relief valve bush 5, then they are put into pressure relief main body 1, spring no. 10 and spring no. 11 are loaded, and pressure relief cover 6 is covered.

[0029] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0030] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the following claims and their equivalents.

[0031] The above description of the present application and its embodiments has been described, which is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired by it, without departing from the creative purpose of the present application, without creative design, similar structure and embodiments of the technical scheme should belong to the protection scope of the present application.

Claims

1. A quick pressure relief device for a car massage seat, characterized by: The invention comprises a pressure relief body (1), wherein a pressure relief valve core (4) and a pressure relief valve sleeve (5) are provided in the pressure relief body (1), wherein the pressure relief valve sleeve (5) is sleeved on the outside of the pressure relief valve core (4), and a pressure relief cover (6) is mounted on the top of the pressure relief body (1), wherein the pressure relief valve core (4) is longitudinally limited by a second spring (11) installed between the pressure relief cover (6) and the pressure relief valve core (4), and wherein the pressure relief valve sleeve (5) is longitudinally limited by a first spring (10) installed between the pressure relief valve sleeve (5) and the pressure relief cover (6).

2. The rapid pressure relief device for a car massage seat according to claim 1, characterized in that: The lower side of the interior of the pressure relief body (1) is cavity one (2), and the upper side of the interior of the pressure relief body (1) is cavity two (3).

3. The rapid pressure relief device for a car massage seat according to claim 2, characterized in that: The pressure relief valve core (4) is provided with two groups of upper and lower slots, and the pressure relief cover (6) and the sealing ring (7) are respectively clamped in the slots.

4. The rapid pressure relief device for a car massage seat according to claim 3, characterized in that: The pressure relief valve sleeve (5) is provided with a slot, and the density ring (9) is clamped in the slot.

5. The rapid pressure relief device for a car massage seat according to claim 4, characterized in that: Annular positioning grooves are respectively provided at corresponding positions of the pressure relief cover (6) and the pressure relief valve sleeve (5), and the spring 1 (10) is installed in the positioning grooves of the pressure relief cover (6) and the pressure relief valve sleeve (5).

6. The rapid pressure relief device for a car massage seat according to claim 5, characterized in that: Countersunk holes are respectively provided at corresponding positions of the pressure relief cover (6) and the pressure relief valve core (4), and the second spring (11) is installed in the countersunk holes of the pressure relief cover (6) and the pressure relief valve core (4).

7. The rapid pressure relief device for a car massage seat according to claim 6, characterized in that: The sealing ring 1 (7), the sealing ring 2 (8) and the density ring (9) are respectively arranged close to the inner wall of the cavity 2 (3).

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