阅读说明：本技术 用于降低在室状空腔、如电池块中产生的压力的泄压阀 (Pressure relief valve for reducing the pressure generated in a chamber-like cavity, such as a battery block ) 是由 S.韦德曼 于 2020-01-28 设计创作，主要内容包括：一种用于降低在室状空腔、如电池块中产生的压力的泄压阀,其具有盖子(2),所述盖子带有用于直至预定的室压之前将壳体开口(11)密封的密封件(21),并且所述盖子设置有固持装置,用于将所述盖子固定在所述壳体开口(11)处,其中,所述固持装置具有安装在所述盖子(2)的面向所述壳体开口(11)的底侧上的弹簧夹(22),所述弹簧夹具有多个径向向外指向的弹簧舌(220),所述弹簧舌在端侧配设有弹簧部段(221,222),在所述盖子(2)压到所述壳体开口(11)上时,弹簧部段可以通过开口边缘沿径向弹性向回运动并且在穿过所述壳体开口之后卡回围绕所述开口边缘的壁区域下方,其中,在装配前与所述盖子(2)分开的支承装置(201)在所述盖子的面向壳体开口(11)的底侧上与所述盖子连接,所述弹簧夹(22)借助支撑部件(23)固定在所述支承装置上,其中,连接适配器(203)与所述支承装置(201)的中心连接,其中,所述弹簧夹(22)利用中心的开口安装在所述连接适配器(203)上,并且其中,所述支撑部件(23)在弹簧夹(22)被固定的情况下与所述连接适配器(203)连接。(A pressure relief valve for reducing the pressure generated in a chamber-shaped cavity, such as a battery block, having a cover (2) with a seal (21) for sealing a housing opening (11) up to a predetermined chamber pressure and provided with a holding device for fixing the cover at the housing opening (11), wherein the holding device has a spring clip (22) which is mounted on the underside of the cover (2) facing the housing opening (11) and has a plurality of radially outwardly directed spring tongues (220) which are provided with spring segments (221,222) on the end side, which can be moved back radially elastically by an opening edge when the cover (2) is pressed onto the housing opening (11) and which, after passing through the housing opening, snap back under a wall region surrounding the opening edge, wherein a bearing device (201) which is separate from the cover (2) before assembly is connected to the cover on the underside of the cover facing the housing opening (11), on which bearing device the spring clip (22) is fixed by means of a support part (23), wherein a connection adapter (203) is connected to the center of the bearing device (201), wherein the spring clip (22) is mounted on the connection adapter (203) with a central opening, and wherein the support part (23) is connected to the connection adapter (203) with the spring clip (22) fixed.)

1. A pressure relief valve for reducing the pressure generated in a chamber-shaped cavity, such as a battery block, having a cover (2) with a seal (21) for sealing a housing opening (11) up to a predetermined chamber pressure and provided with a holding device for fixing the cover at the housing opening (11), wherein the holding device has a spring clip (22) which is mounted on the underside of the cover (2) facing the housing opening (11) and has a plurality of radially outwardly directed spring tongues (220) which are provided with spring segments (221,222) on the end side, which can be moved back radially elastically by an opening edge when the cover (2) is pressed onto the housing opening (11) and which, after passing through the housing opening, snap back under a wall region surrounding the opening edge,

it is characterized in that the preparation method is characterized in that,

a bearing (201) which is separate from the cover (2) before assembly is connected to the cover (2) on the underside of the cover facing the housing opening (11), the spring clip (22) being fastened to the bearing by means of a support part (23),

a connection adapter (203) is connected with the center of the supporting device (201),

the spring clip (22) is mounted on the connection adapter (203) with a central opening, and

the support part (23) is connected to the connection adapter (203) while the spring clip (22) is fixed.

2. The pressure relief valve according to claim 1,

it is characterized in that the preparation method is characterized in that,

the connection adapter (203) is designed such that the bearing device (201), the spring clip (22) and the support part (23) are oriented in a fixed rotational position relative to one another by means of the connection adapter.

3. A pressure relief valve according to any of the preceding claims,

it is characterized in that the preparation method is characterized in that,

the support device (201) and the spring clamp (22) have a star-like shape in axial plan view with 2n arms and 2n spring tongues (220),

the connection adapter (203) has a non-circular shape in an axial plan view, and the support member (23) has a star-like shape with n arms,

wherein n is a positive integer.

4. A pressure relief valve according to any of the preceding claims,

it is characterized in that the preparation method is characterized in that,

the connection adapter (203) has a multi-angled shape, in particular with n angles, in an axial plan view.

5. A pressure relief valve according to any of the preceding claims,

it is characterized in that the preparation method is characterized in that,

the support device (201) and the connection adapter (203) are integrally formed with one another, connected in a material-locking or snap-in or screw-in manner, and

the connection adapter (203) and the support element (23) are connected to one another in a snap-fit or screw-connection manner.

6. A pressure relief valve according to any of the preceding claims,

it is characterized in that the preparation method is characterized in that,

the spring sections (221,222) form a groove in the longitudinal section thereof extending in the radial direction in a U-shaped manner downwards away from the cover (2), and

in the mounted state of the pressure relief valve, the free edges of the radially outer U-shaped legs of the spring sections (221,222) each form a support surface which engages from below in the region of the wall surrounding the housing opening (11).

7. A pressure relief valve according to any of the preceding claims,

it is characterized in that the preparation method is characterized in that,

at least a part of the spring section (221) is spaced apart from the bottom side of the cover (2) in such a way that the seal (21) is held pressed against the top side of the wall region surrounding the opening edge in the mounted state.

8. A pressure relief valve according to any of the preceding claims,

it is characterized in that the preparation method is characterized in that,

the further part of the spring section (222) is spaced apart from the bottom side of the cover (2) such that, in the mounted state, the spring section is spaced apart from the bottom side of the wall region surrounding the opening edge.

9. A pressure relief valve according to any of the preceding claims,

it is characterized in that the preparation method is characterized in that,

the spring tongue (222) is connected to a spring section (222) which is remote from the bottom side of the cover (2) and is supported and/or reinforced downward by means of the support part (23).

10. A pressure relief valve according to any of the preceding claims,

it is characterized in that the preparation method is characterized in that,

the spring clip (22) is supported and positioned on a bearing structure (202) on the bottom side of the bearing device (201), wherein the projections engage in the grooves of the U-shaped spring sections (221,222), and wherein the bearing structure is configured such that the radially outer spring sections (221,222) can be pivoted inward.

11. A pressure relief valve according to any of the preceding claims,

it is characterized in that the preparation method is characterized in that,

the cover (2) is designed as a cover unit having two cover parts (20,25) which are separated before the cover is assembled, the cover unit having a first cover part (20) on a bottom side facing the housing opening (11) and a second cover part (25) connected to the first cover part (20) on a top side facing away from the housing opening (11).

12. The pressure relief valve according to claim 11,

it is characterized in that the preparation method is characterized in that,

a gas-permeable, at least as moisture-impermeable membrane (24) is arranged between the two cover parts (20, 25).

13. The pressure relief valve according to claim 11 or 12,

it is characterized in that the preparation method is characterized in that,

the support device (201) and/or the second cover part (25) can be detachably latched or screwed to the first cover part (20) or can be connected to it in an unreleasable manner, in particular by welding or gluing.

14. The pressure relief valve according to claim 12,

it is characterized in that the preparation method is characterized in that,

the membrane (24) is bonded or welded to the first cover part (20), or

The membrane (24) is held by the cover members (20, 25).

15. The pressure relief valve according to one of the claims 12 to 14,

it is characterized in that the preparation method is characterized in that,

the membrane (24) is connected in a fluid-tight manner to the first cover part (20) in a radially outer region.

16. The pressure relief valve according to one of the claims 11 to 15,

it is characterized in that the preparation method is characterized in that,

at least one flow path for the passage of gas is formed by at least one channel section (26) arranged between the cover parts (20,25), which channel section is connected on the one hand to at least one opening to the cavity and on the other hand to an external space surrounding the cover (2).

17. The pressure relief valve according to claim 16,

it is characterized in that the preparation method is characterized in that,

preferably, a plurality of channel sections (26) are present, and

the channel section (26) is delimited by recesses in the cover parts (20,25) on the top side of the first cover part (20) facing away from the housing opening (11) and/or on the bottom side of the second cover part (25) facing the housing opening (11) and by spacers (28) arranged on the cover parts and formed integrally with the cover parts and spacers (27) arranged on the radial outer sides of the first cover part (20) and/or the second cover part (25) and formed integrally with the same.

18. A kit for constructing a pressure relief valve according to one of the preceding claims,

it is characterized in that the preparation method is characterized in that,

wherein there are at least two bearing devices (201) with connecting adapters (203) of different heights, at least one spring clip (22), at least one support part (23) and at least one already installed cover (2).

19. Container with at least one chamber-like cavity, such as a battery or accumulator, having a pressure relief valve according to one of the preceding claims.