CN210436941U - Quick-change inflating valve structure for tubeless wheel of engineering machinery - Google Patents
Quick-change inflating valve structure for tubeless wheel of engineering machinery Download PDFInfo
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- CN210436941U CN210436941U CN201921370169.0U CN201921370169U CN210436941U CN 210436941 U CN210436941 U CN 210436941U CN 201921370169 U CN201921370169 U CN 201921370169U CN 210436941 U CN210436941 U CN 210436941U
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- inflating valve
- valve structure
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Abstract
The utility model provides a quick-change inflating valve structure for a tubeless wheel of engineering machinery, belonging to the technical field of wheels of engineering machinery; the inflating valve structure is arranged on the rim cylinder and comprises a fixed column and a movable inflating valve detachably connected with the fixed column, wherein one end of the fixed column is provided with an air vent, the outer peripheral side of the fixed column is provided with an annular groove, and the annular groove is provided with a small hole communicated with the air vent; the movable inflating valve comprises an inflating valve seat, the inflating valve seat is provided with a through hole matched with the fixed column, and the connecting rod is fixedly connected with the inflating valve seat through a hole communicated with the through hole. The valve structure adopts a split design, and the movable valve does not need to be completely replaced after being damaged, so that the cost is saved; when the movable inflating valve is replaced, the tire does not need to be removed, the operation is convenient, the technical requirement is not high, the number of used tools is small, and the labor and the time are saved; the inflating valve protection device is convenient to install.
Description
Technical Field
The utility model relates to an engineering machine tool wheel technical field especially indicates an engineering machine tool does not have inner tube of a tyre wheel quick change inflating valve structure.
Background
The valve for the engineering machinery wheel is an integral structure, penetrates through the inner part of the rim during installation, and then is screwed with a compression nut. Because the engineering machinery is mostly used in mines and construction sites, the use environment is harsh, the inflating valve is easily broken by sundries such as ores, and because the inflating valve is of an integral structure and needs to be installed in the inner part of the rim during installation, tires need to be removed first to be replaced, the steps are complex, a plurality of disassembling tools are used, and the tire disassembling and assembling are needed by professionals, so that the labor intensity is high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an engineering machine tool does not have inner tube of a tyre wheel quick change inflating valve structure need take off the tire after damaging with the inflating valve of solving current integral structure and change, and the step is complicated, and extracting tool uses many, needs the dismouting of professional moreover, and intensity of labour is big, influences the use simultaneously, increases manufacturing cost's problem.
In order to solve the technical problem, the utility model provides a following technical scheme:
a quick-change inflating valve structure for tubeless wheels of engineering machinery is arranged on a rim barrel and comprises a fixed column and a movable inflating valve detachably connected with the fixed column, wherein one end of the fixed column is provided with an air vent, the outer peripheral side of the fixed column is provided with an annular groove, and the annular groove is provided with a small hole communicated with the air vent; the movable inflating valve comprises an inflating valve seat, the inflating valve seat is provided with a through hole matched with the fixed column, and the connecting rod is fixedly connected with the inflating valve seat through a hole communicated with the through hole.
The fixing column comprises a first cylindrical section, a second cylindrical section and a third cylindrical section, wherein the sizes of the first cylindrical section, the second cylindrical section and the third cylindrical section are sequentially reduced and are coaxially connected.
The open end of the vent hole is arranged in the center of the end face of the first cylindrical section of the fixing column.
Wherein the annular groove is provided on the outer peripheral side of the second cylindrical section.
The outer peripheral side of the third cylindrical section is provided with threads for connecting a nut; the bottom end is provided with a hexagonal counter bore, and a wrench is inserted when the nut is fastened so as to prevent the fixed column from rotating.
The lower end face of the first cylindrical section is provided with an annular groove for mounting a first O-shaped ring, and the lower end of the second cylindrical section is provided with a second O-shaped ring.
The sealing gasket is positioned between the valve seat and the rim cylinder.
Wherein, the apertures are evenly distributed in the circumference.
Wherein, the annular groove is opposite to the central position of the extension rod.
And the rim barrel is provided with a mounting hole matched with the fixed column in shape.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
in the scheme, the valve structure adopts a split design, and the movable valve does not need to be completely replaced after being damaged, so that the cost is saved; when the movable inflating valve is replaced, the tire does not need to be removed, the operation is convenient, the technical requirement is not high, the number of used tools is small, and the labor and the time are saved; the inflating valve protection device is convenient to install.
Drawings
Fig. 1 is a schematic view of the installation position of the quick-change air valve structure for tubeless wheels of engineering machinery of the utility model;
FIG. 2 is an enlarged view of a portion of area A of FIG. 1;
fig. 3 is a schematic structural view of a fixing column of the quick-change inflating valve structure for tubeless wheels of the engineering machinery of the utility model;
fig. 4 is a bottom view of a fixing column of the quick-change inflating valve structure for tubeless wheels of the engineering machinery of the utility model;
fig. 5 is the utility model discloses engineering machine tool tubeless wheel quick change inflating valve structure's movable inflating valve's schematic diagram.
Wherein:
1. a rim cylinder;
2. fixing a column;
3. a first O-shaped ring;
4. a gasket;
5. a movable valve;
6. an O-shaped ring II;
7. a compression nut;
8. a hexagonal counter bore;
9. a connecting rod;
10. a valve seat.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 5, an embodiment of the present invention provides a quick-change inflating valve structure for tubeless wheels of engineering machinery, which is disposed on a rim cylinder 1, and the inflating valve structure adopts a split design and includes a fixed column 2 and a movable inflating valve 5 detachably connected to the fixed column 2, wherein one end of the fixed column 2 is provided with an air vent, and the outer peripheral side of the fixed column is provided with an annular groove, and the annular groove is provided with a small hole communicated with the air vent; the movable inflating valve 5 comprises an inflating valve seat 10, the inflating valve seat 10 is provided with a through hole matched with the fixed column 2, a connecting rod 9 is fixedly connected with the inflating valve seat 10 through a hole communicated with the through hole, and the head of the connecting rod 9 is provided with an inflating one-way air needle to prevent air leakage during inflation. During inflation, the air pump compresses high-pressure air to the annular groove through the connecting rod 9, and then compresses the air to the vent hole through the small hole.
Referring to fig. 3, the fixing column 2 includes a first cylindrical section, a second cylindrical section and a third cylindrical section which are sequentially reduced in size and coaxially connected.
The first cylindrical section clamps and fixes the fixed column 2 to the rim cylinder 1, the open end of the vent hole is arranged in the center of the end face of the first cylindrical section of the fixed column, and air enters a tire wrapping the rim through the vent hole.
Wherein the annular groove is provided on the outer peripheral side of the second cylindrical section.
Wherein, the outer periphery side of the third cylindrical section is provided with threads for connecting nuts to fasten the fixed column 2 and the movable inflating valve 5 and fasten the fixed column 2 to the rim cylinder 1; the bottom end is provided with a hexagonal counter bore 8 (which cannot be communicated with the vent hole), and a wrench is inserted when the nut is fastened, so that the fixed column 2 is prevented from rotating.
Referring to fig. 2, an annular groove is formed in the lower end face of the first cylindrical section to install an O-ring I3 for sealing between the fixing column 2 and the rim cylinder 1; the lower end of the second cylindrical section is provided with a second O-shaped ring 6, and the second O-shaped ring 6 is compressed and deformed by a compression nut 7 so as to prevent high-pressure gas from leaking from a gap between the fixed column 2 and the inner hole of the movable inflating valve 5.
The sealing gasket 4 is sleeved on the fixing column and located between the valve seat 10 and the rim barrel 1, and high-pressure gas is prevented from leaking.
Wherein, the apertures are evenly distributed in the circumference and the axes of the apertures pass through the axes of the fixed columns 2.
The annular groove is opposite to the central position of the connecting rod 9, and the annular groove and the uniformly distributed small holes increase the air passing amount during inflation.
And the rim barrel 1 is provided with a mounting hole matched with the fixed column 2 in shape.
In the scheme, the valve structure adopts a split design, the valve protection device is convenient to install, the movable valve does not need to be completely replaced after being damaged, the cost is saved, tires do not need to be taken off when the movable valve is replaced, the operation is convenient, the technical requirement is not high, the number of used tools is small, and the labor and the time are saved; many places of inflating valve structure are equipped with sealing device, and the gas tightness is good.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A quick-change inflating valve structure for tubeless wheels of engineering machinery is arranged on a rim barrel and is characterized by comprising a fixed column and a movable inflating valve detachably connected with the fixed column, wherein one end of the fixed column is provided with an air vent, the outer peripheral side of the fixed column is provided with an annular groove, and the annular groove is provided with a small hole communicated with the air vent; the movable inflating valve comprises an inflating valve seat, the inflating valve seat is provided with a through hole matched with the fixed column, and the connecting rod is fixedly connected with the inflating valve seat through a hole communicated with the through hole.
2. The quick-change valve structure for the tubeless wheel of the engineering machinery as claimed in claim 1, wherein the fixing column includes a first cylindrical section, a second cylindrical section and a third cylindrical section which are coaxially connected and have successively reduced sizes.
3. The quick-change valve structure for the tubeless wheel of the engineering machinery as claimed in claim 2, wherein the open end of the vent hole is disposed at the center of the end surface of the first cylindrical section of the fixing column.
4. The quick-change valve structure for tubeless wheels of construction machinery according to claim 2, characterized in that the annular groove is disposed on the outer peripheral side of the second cylindrical section.
5. The quick-change valve structure for the tubeless wheel of the engineering machinery as claimed in claim 2, wherein the outer peripheral side of the third cylindrical section is provided with threads for connecting a nut; the bottom end is provided with a hexagonal counter bore, and a wrench is inserted when the nut is fastened so as to prevent the fixed column from rotating.
6. The quick-change valve structure for the tubeless wheel of the engineering machinery as claimed in claim 2, wherein the lower end surface of the first cylindrical section is provided with an annular groove for installing a first O-ring, and the lower end of the second cylindrical section is provided with a second O-ring.
7. The quick-change air valve structure for the tubeless wheel of the engineering machinery as claimed in claim 1, wherein a sealing gasket is sleeved on the fixing column, and the sealing gasket is located between the air valve seat and the rim cylinder.
8. The quick-change valve structure for the tubeless wheel of the engineering machinery as claimed in claim 1, wherein the small holes are circumferentially and uniformly distributed.
9. The quick-change valve structure for tubeless wheels of construction machinery according to claim 1, characterized in that the annular groove is opposite to the center of the extension rod.
10. The quick-change air valve structure for the tubeless wheel of the engineering machinery as claimed in claim 1, wherein the rim cylinder is provided with a mounting hole adapted to the shape of the fixing column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921370169.0U CN210436941U (en) | 2019-08-22 | 2019-08-22 | Quick-change inflating valve structure for tubeless wheel of engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921370169.0U CN210436941U (en) | 2019-08-22 | 2019-08-22 | Quick-change inflating valve structure for tubeless wheel of engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210436941U true CN210436941U (en) | 2020-05-01 |
Family
ID=70408946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921370169.0U Active CN210436941U (en) | 2019-08-22 | 2019-08-22 | Quick-change inflating valve structure for tubeless wheel of engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210436941U (en) |
-
2019
- 2019-08-22 CN CN201921370169.0U patent/CN210436941U/en active Active
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