CN214999660U - Built-in high-sensitivity control valve of automobile fuel tank - Google Patents
Built-in high-sensitivity control valve of automobile fuel tank Download PDFInfo
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- CN214999660U CN214999660U CN202121572270.1U CN202121572270U CN214999660U CN 214999660 U CN214999660 U CN 214999660U CN 202121572270 U CN202121572270 U CN 202121572270U CN 214999660 U CN214999660 U CN 214999660U
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- float
- fuel tank
- plug
- control valve
- sensitivity control
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Abstract
The utility model discloses a built-in high sensitive control valve of car fuel tank in the car fuel tank field, including setting up the float in the valve body, the inside L shape exhaust passage that is equipped with of valve body, the bottom processing of valve body has the uide bushing that is used for supplying the float gliding, and the float realizes the switching to L shape exhaust passage through going up and down in the uide bushing, and the top processing of float becomes the cone structure, and the side of float is processed flutedly along its axial, the utility model discloses a along its axial processing recess in the side of float for when the liquid level descends in the oil tank, the vent hole is in time opened to the float, improves the sensitivity of control valve.
Description
Technical Field
The utility model relates to the technical field of automobiles, in particular to automobile fuel tank.
Background
The top at the oil tank assembly is installed to oil tank control valve (FLVV valve), and oil tank control valve is including setting up the float in the valve body among the prior art, and the exhaust hole has been seted up at the top of valve body, the top setting of float with exhaust hole complex is sealed up, the float rises along with the liquid level under the fuel buoyancy for sealed the hole that will vent seals, when treating the fuel liquid level decline, the float descends under the action of gravity, make sealed the pad break away from with the exhaust hole, accomplish and ventilate, its weak point lies in, this structure float and sealed pad structure lead to the open and close control reaction in exhaust hole together slower, control is sensitive inadequately.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a built-in high sensitive control valve of car fuel tank improves the sensitivity of float lift action.
The purpose of the utility model is realized like this: a high-sensitivity control valve with a built-in automobile fuel tank comprises a float arranged in a valve body, wherein an L-shaped exhaust channel is arranged in the valve body, a guide sleeve for the float to slide is processed at the bottom of the valve body, the float can open and close the L-shaped exhaust channel by lifting in the guide sleeve, the top end of the float is processed into a conical structure, and a groove is processed in the side face of the float along the axial direction of the float.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses an along its axial processing recess in the side of float for when the liquid level descends in the oil tank, the vent in time is opened to the float, improves the sensitivity of control valve, and in addition, the top toper structure of float makes the contact in float and vent be line contact, reduces frictional force's influence, and is also more sensitive when the float carries out the switching.
In order to enable the float to be more stably lifted on the guide sleeve, a pair of through holes are formed in the side portion of the guide sleeve, and a pair of guide blocks matched with the through holes are processed on two sides of the float.
In order to facilitate the assembly of the float and the guide sleeve, the guide block is of a wedge-shaped structure. The guide block with the wedge-shaped structure enables the float to be directly inserted from the bottom of the guide sleeve to complete the assembly.
In order to enable the valve body to be more convenient and reliable to mount and fix, the top of the valve body is provided with a plug socket, and a connecting piece used for being fixed inside the fuel tank is inserted in the plug socket. The connecting piece is more reliable when being fixed on the top wall in the fuel tank, and the connecting piece is more convenient to be connected with the valve body in a splicing mode.
In order to further improve the convenience of connecting the connecting piece with the plug socket, the plug socket comprises an inner ring and an outer ring which are concentrically arranged, an annular plug groove is formed between the inner ring and the outer ring, the connecting piece comprises a plug sleeve connected to the bottom of the top cap, a wedge-shaped plug block is processed on the periphery of the plug sleeve, and a jack matched with the plug block is processed on the outer ring.
In order to further improve the precision of the connecting piece when being connected with the plug socket, the inner ring is provided with a positioning groove, and the inner ring of the plug socket is provided with a positioning strip matched with the positioning groove.
In order to ensure that the top of the connecting piece is more reliable when being fixed on the top wall in the fuel tank, the top surface of the top cap is provided with a vent groove and a plurality of connecting columns.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of the three-dimensional structure of the present invention.
Fig. 2 is a sectional view of the present invention.
Fig. 3 is a schematic view of the three-dimensional structure of the middle valve body of the present invention.
Fig. 4 is a schematic view of the three-dimensional structure of the middle float of the present invention.
Fig. 5 is a schematic view of the three-dimensional structure of the middle connector of the present invention.
The air exhaust valve comprises a valve body 1, an air exhaust channel 11, a plug socket 12, an inner ring 121, a positioning groove 1211, an outer ring 122, a 1221 jack, a float 2, a wedge-shaped guide block 21, a groove 22, a guide sleeve 3, a through hole 31, a connecting piece 4, a top cap 41, a connecting column 411, an air exhaust groove 412, a plug sleeve 42, a wedge-shaped plug 43 and a positioning strip 44.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
1-5, the high-sensitivity control valve comprises a float 2 arranged in a valve body 1, an L-shaped exhaust passage 11 is arranged in the valve body 1, a guide sleeve 3 used for allowing the float 2 to slide is processed at the bottom of the valve body 1, a pair of through holes 31 are formed in the side portion of the guide sleeve 3, a pair of wedge-shaped guide blocks 21 matched with the through holes 31 are processed on two sides of the float 2, the float 2 can lift in the guide sleeve 3 to open and close the L-shaped exhaust passage 11, the top end of the float 2 is processed into a conical structure, and a groove 22 is processed in the side face of the float 2 along the axial direction of the float.
The top of the valve body 1 is processed with a plug socket 12, a connecting piece 4 used for being fixed in the fuel tank is inserted in the plug socket 12, the plug socket 12 comprises an inner ring 121 and an outer ring 122 which are concentrically arranged, an annular plug groove is formed between the inner ring 121 and the outer ring 122, the connecting piece 4 comprises a plug bush 42 connected to the bottom of a top cap 41, a wedge-shaped plug block 43 is processed on the periphery of the plug bush 42, a plug hole 1221 matched with the plug block is processed on the outer ring 122, a positioning groove 1211 is processed on the inner ring 121, a positioning strip 44 matched with the positioning groove 1211 is processed on the inner ring 121 of the plug bush 42, and an exhaust groove 412 and a plurality of connecting columns 411 are processed on the top surface of the top cap 41.
The utility model discloses a side at float 2 is along its axial processing recess 22 for when the liquid level descends in the oil tank, the exhaust hole is in time opened to float 2, improves the sensitivity of control valve, and in addition, float 2's top toper structure makes float 2 be line contact with the contact in exhaust hole, reduces the influence of frictional force, and is also more sensitive when float 2 carries out the switching.
The pair of through holes 31 are formed in the side portion of the guide sleeve 3 and matched with the upper guide block, so that the float 2 can lift on the guide sleeve 3 more stably.
The guide block is designed to be wedge-shaped, so that the float 2 and the guide sleeve 3 are more convenient to assemble.
The plug-in socket 12 is processed at the top of the valve body 1, and the connecting piece 4 used for being fixed in the fuel tank is inserted in the plug-in socket 12, so that the valve body 1 is more convenient and reliable to mount and fix.
The plug socket 12 is designed into the inner ring 121 and the outer ring 122 which are concentrically arranged, an annular plug groove is formed between the inner ring 121 and the outer ring 122, the connecting piece 4 comprises a plug sleeve 42 connected to the bottom of the top cap 41, a wedge-shaped plug block 43 is processed on the periphery of the plug sleeve 42, and a plug hole 1221 matched with the plug block is processed on the outer ring 122, so that the convenience of connecting the connecting piece 4 and the plug socket 12 is improved.
The positioning groove 1211 is formed on the inner ring 121, and the positioning strip 44 matched with the positioning groove 1211 is formed on the inner ring 121 of the plug sleeve 42, so that the precision of the connection between the connecting piece 4 and the plug base 12 is improved.
The above description of the embodiments is only intended to help understand the method of the present invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (7)
1. The built-in high-sensitivity control valve of the automobile fuel tank comprises a float (2) arranged in a valve body (1), wherein an L-shaped exhaust channel (11) is arranged in the valve body (1), and the built-in high-sensitivity control valve is characterized in that a guide sleeve (3) used for allowing the float (2) to slide is processed at the bottom of the valve body (1), the float (2) can be opened and closed on the L-shaped exhaust channel (11) through lifting in the guide sleeve (3), the top end of the float (2) is processed into a tapered structure, and a groove (22) is processed in the side face of the float (2) along the axial direction of the float.
2. The high-sensitivity control valve for the built-in automobile fuel tank is characterized in that a pair of through holes (31) are formed in the side portion of the guide sleeve (3), and a pair of guide blocks matched with the through holes (31) are processed on two sides of the float (2).
3. The high-sensitivity control valve for the internal arrangement of the automobile fuel tank as claimed in claim 2, wherein the guide block is of a wedge structure.
4. The high-sensitivity control valve for the automobile fuel tank built-in type according to any one of claims 1 to 3, characterized in that a plug socket (12) is processed at the top of the valve body (1), and a connecting piece (4) for fixing the inside of the fuel tank is inserted into the plug socket (12).
5. The high-sensitivity control valve for the automobile fuel tank built-in type is characterized in that the plug socket (12) comprises an inner ring (121) and an outer ring (122) which are concentrically arranged, an annular plug groove is formed between the inner ring (121) and the outer ring (122), the connecting piece (4) comprises a plug sleeve (42) connected to the bottom of the top cap (41), a wedge-shaped plug block (43) is machined on the periphery of the plug sleeve (42), and a plug hole (1221) matched with the plug block is machined on the outer ring (122).
6. The high-sensitivity control valve for the internal fuel tank of the automobile is characterized in that a positioning groove (1211) is formed in the inner ring (121), and a positioning strip (44) matched with the positioning groove (1211) is formed in the inner ring (121) of the plug sleeve (42).
7. The high-sensitivity control valve for vehicle fuel tank built-in according to claim 5, characterized in that the top surface of the top cap (41) is provided with a vent groove (412) and a plurality of connecting columns (411).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121572270.1U CN214999660U (en) | 2021-07-12 | 2021-07-12 | Built-in high-sensitivity control valve of automobile fuel tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121572270.1U CN214999660U (en) | 2021-07-12 | 2021-07-12 | Built-in high-sensitivity control valve of automobile fuel tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214999660U true CN214999660U (en) | 2021-12-03 |
Family
ID=79125762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121572270.1U Active CN214999660U (en) | 2021-07-12 | 2021-07-12 | Built-in high-sensitivity control valve of automobile fuel tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214999660U (en) |
-
2021
- 2021-07-12 CN CN202121572270.1U patent/CN214999660U/en active Active
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