CN217177563U - Gravity valve with steel ball closing form - Google Patents
Gravity valve with steel ball closing form Download PDFInfo
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- CN217177563U CN217177563U CN202123338943.XU CN202123338943U CN217177563U CN 217177563 U CN217177563 U CN 217177563U CN 202123338943 U CN202123338943 U CN 202123338943U CN 217177563 U CN217177563 U CN 217177563U
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- valve body
- steel ball
- valve
- shell side
- plug
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Abstract
The utility model relates to a fluid distribution valve field specifically is a gravity valve of form is closed to belted steel ball. A gravity valve with a steel ball closing form, comprising a housing (3), characterized in that: the novel valve is characterized by further comprising a steel ball (1), an end cap (2), a sealing ring (4), a dustproof cover (5) and a valve body (6), wherein an air hole is formed in the top surface of the shell side of the valve body (6), the inner end of the shell (3) is fixed on the outer side surface of the shell side of the valve body (6) and communicated with the inner cavity of the valve body (6), the end cap (2) is embedded in the valve body (6), the steel ball (1) is arranged in the inner cavity of the end cap (2), the top surface of the shell side of the valve body (6) is covered with the dustproof cover (5), and the outer side surface of the box side of the valve body (6) is hooped with the sealing ring (4). The utility model discloses the fuel feeding is smooth and easy, closes rapidly, safe and reliable.
Description
Technical Field
The utility model relates to a fluid distribution valve field specifically is a gravity valve of form is closed to belted steel ball.
Background
The automobile fuel tank is provided with a valve, and the fuel tank is communicated with the outside atmosphere through the valve in normal use, so that fuel can be smoothly injected into the engine. However, when the automobile is in a roll-over accident, fuel can also leak through the valve, and a fire hazard exists.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a valve which has smooth oil supply, rapid closing, safety and reliability, and the utility model discloses a gravity valve with a steel ball closing form.
The utility model discloses a following technical scheme reaches the invention purpose:
the utility model provides a gravity valve of belted steel ball closed form, includes the casing, characterized by: also comprises a steel ball, a plug, a sealing ring, a dustproof cover and a valve body,
the upper half part of the valve body is a shell side, the lower half part of the valve body is a box side, the bottom end of the valve body shell side is obliquely crossed with the top end of the valve body box side, an air hole is formed in the top surface of the valve body shell side, the inner end of the shell is fixed on the outer side surface of the valve body shell side and communicated with the inner cavity of the valve body, the plug is embedded in the valve body, protruding teeth are arranged on the top surface of the plug and are right aligned to the air hole in the top surface of the valve body shell side, the outer diameter of the protruding teeth and the aperture of the air hole are mutually matched, the center of the bottom surface of the plug is inwards sunken to form a cone projection, the steel ball is arranged in the inner cavity of the plug, the distance between the tip of the cone projection of the inner cavity of the plug and the top surface of the inner cavity of the plug is larger than the diameter of the steel ball, a dust cover is covered on the top surface of the valve body shell side, and a sealing ring is hooped on the outer side of the valve body box side.
The gravity valve with the steel ball closing mode is characterized in that: the bottom end of the valve body shell side and the top end of the valve body box side are obliquely crossed to form 45 degrees, the top end of the protruding tooth is provided with a chamfer, the half vertex angle of the conical protrusion is 60 degrees, and the height of the conical protrusion is 1/4-1/3 of the diameter of the steel ball.
The utility model discloses can regard as the gravity valve of fuel tank, the valve body realizes the two-way wall of casing, and during normal use, the case side of valve body is perpendicular and the shell side slope, and the steel ball rolls under the action of gravity and falls in the slot that constitutes by the abrupt inclined plane of awl and the inside wall of valve body, and the gas pocket on the top surface of the abrupt tooth and the valve body shell side breaks away from this moment, the utility model discloses be in the state of opening, in case meet phenomenons such as car rollover, the steel ball is because gravity promotes the end cap and removes to the top surface of valve body shell side, and the gas pocket on the top surface of abrupt tooth plugged in valve body shell side will the gas pocket is stifled deadly, the utility model discloses self-closing avoids the fuel to leak, is stamped the shield on the top surface of valve body shell side, and the spot gets into the fuel tank when avoiding using.
The utility model discloses following beneficial effect has: the oil supply is smooth, the closing is rapid, and the safety and the reliability are realized.
Drawings
Fig. 1 is a sectional view of the present invention.
Detailed Description
The invention is further illustrated by the following specific examples.
Example 1
The utility model provides a gravity valve of steel ball form of closing, includes steel ball 1, end cap 2, casing 3, sealing washer 4, shield 5 and valve body 6, as shown in figure 1, the concrete structure is:
the upper half part of the valve body 6 is a shell side, the lower half part of the valve body 6 is a box side, the bottom end of the shell side of the valve body 6 is obliquely crossed with the top end of the box side of the valve body 6, an air hole is formed in the top surface of the shell side of the valve body 6, the inner end of the shell 3 is fixed on the outer side surface of the shell side of the valve body 6 and communicated with an inner cavity of the valve body 6, the plug 2 is embedded in the valve body 6, protruding teeth 21 are arranged on the top surface of the plug 2, the protruding teeth 21 are opposite to the air hole in the top surface of the shell side of the valve body 6, the outer diameter of the protruding teeth 21 is matched with the aperture of the air hole, the center of the bottom surface of the plug 2 is inwards sunken to form conical protrusions 22, the steel ball 1 is arranged in the inner cavity of the plug 2, the distance from the tip of the conical protrusions 22 in the inner cavity of the plug 2 to the top surface of the inner cavity of the plug 2 is larger than the diameter of the steel ball 1, a dust cover 5 is covered on the top surface of the shell side of the valve body 6, and a sealing ring 4 is hooped on the outer side of the valve body 6.
In this embodiment: the bottom end of the shell side of the valve body 6 and the top end of the box side of the valve body 6 are obliquely crossed to form 45 degrees, the top end of the protruding tooth 21 is provided with a chamfer, the half vertex angle of the conical protrusion 22 is 60 degrees, and the height of the conical protrusion 22 is 1/4-1/3 of the diameter of the steel ball 1.
This embodiment can regard as the gravity valve of fuel tank, valve body 6 realizes the two-way wall of casing 3, during normal use, the case side of valve body 6 is perpendicular and the shell side slope, steel ball 1 rolls down the slot that constitutes by the inclined plane of awl suddenly 22 and the inside wall of valve body 6 under the action of gravity, the gas pocket on the top surface of the outstanding tooth 21 and the 6 shell side of valve body breaks away from this moment, this embodiment is in the open mode, in case meet phenomenons such as car rollover, steel ball 1 because gravity promotes end cap 2 and removes to the top surface of the 6 shell sides of valve body, the gas pocket that the outstanding tooth 21 was plugged in on the top surface of the 6 shell sides of valve body will the gas pocket is stifled deadly, this embodiment self-closing avoids the fuel to leak, the top surface upper cover of the 6 shell sides of valve body has shield 5, the spot gets into the fuel tank when avoiding using.
Claims (2)
1. A gravity valve with a steel ball closing form, comprising a housing (3), characterized in that: also comprises a steel ball (1), a plug (2), a sealing ring (4), a dust cap (5) and a valve body (6),
the upper half part of the valve body (6) is a shell side, the lower half part of the valve body (6) is a box side, the bottom end of the shell side of the valve body (6) is obliquely crossed with the top end of the box side of the valve body (6), the top surface of the shell side of the valve body (6) is provided with an air hole, the inner end of the shell (3) is fixed on the outer side surface of the shell side of the valve body (6) and is communicated with the inner cavity of the valve body (6), the plug (2) is embedded in the valve body (6), the top surface of the plug (2) is provided with a protruding tooth (21), the protruding tooth (21) is just opposite to the air hole on the top surface of the shell side of the valve body (6), the outer diameter of the protruding tooth (21) is matched with the aperture of the air hole, the center of the bottom surface of the plug (2) is inwards sunken to form a conical projection (22), the steel ball (1) is arranged in the inner cavity of the plug (2), the distance from the tip of the conical projection (22) of the inner cavity of the plug (2) to the top surface of the plug (2) is greater than the diameter of the steel ball (1), the top surface of the shell side of the valve body (6) is covered with a dust cover (5), and the outer side surface of the box side of the valve body (6) is hooped with a sealing ring (4).
2. The gravity valve with steel ball closing type according to claim 1, wherein: the bottom end of the shell side of the valve body (6) and the top end of the box side of the valve body (6) are obliquely crossed to form 45 degrees, the top end of the protruding tooth (21) is provided with a chamfer, the half vertex angle of the conical protrusion (22) is 60 degrees, and the height of the conical protrusion (22) is 1/4-1/3 of the diameter of the steel ball (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123338943.XU CN217177563U (en) | 2021-12-28 | 2021-12-28 | Gravity valve with steel ball closing form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123338943.XU CN217177563U (en) | 2021-12-28 | 2021-12-28 | Gravity valve with steel ball closing form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217177563U true CN217177563U (en) | 2022-08-12 |
Family
ID=82731033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123338943.XU Active CN217177563U (en) | 2021-12-28 | 2021-12-28 | Gravity valve with steel ball closing form |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217177563U (en) |
-
2021
- 2021-12-28 CN CN202123338943.XU patent/CN217177563U/en active Active
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