CN212265711U - Valve core device on inner tube air cock with evacuation function - Google Patents
Valve core device on inner tube air cock with evacuation function Download PDFInfo
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- CN212265711U CN212265711U CN202020590017.8U CN202020590017U CN212265711U CN 212265711 U CN212265711 U CN 212265711U CN 202020590017 U CN202020590017 U CN 202020590017U CN 212265711 U CN212265711 U CN 212265711U
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- bottom plate
- inner tube
- working bottom
- center
- sliding
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Abstract
The utility model discloses a valve core device on inner tube air cock with evacuation function in the field of valve core on inner tube air cock, which comprises a working bottom plate, an inner tube, a sliding mechanism and a pressing mechanism, wherein the sliding mechanism comprises four groups of chutes, the chutes are symmetrically provided with the top end of the working bottom plate, the chutes are internally and slidably connected with sliders, the sliders are far away from the side center of the working bottom plate center and are provided with bearings, the bearings are rotatably connected with adjusting screws, the end center of the chutes far away from the working bottom plate center is provided with through threaded holes, the threads of the through threaded holes penetrate through the side wall of the working bottom plate, the top ends of the sliders are fixed with limiting side plates, the pressing mechanism is arranged at the center of the top end of the working bottom plate, the pressing mechanism comprises screws, the screws are fixed at the center of the top, the inner wall of the sleeve is provided with threads matched with the screw rod, the side wall of the sleeve is fixed with a pressing strip, and the inner ring of the inner tube is provided with an air tap.
Description
Technical Field
The utility model relates to a door core field on inner tube of a tyre air cock specifically is a door core device on inner tube of a tyre air cock with evacuation function.
Background
The inner tube is commonly called inner tube, and refers to a circular elastic tube with a tire valve for keeping the inner pressure of the tire. The valve is used for inflating and keeping air at a certain pressure in the inner tire. The inner tube should have good air tightness, heat resistance, elasticity, aging resistance and small permanent deformation. The valve inside is installed in the valve, and the valve inside is also called as an airtight core and is mainly used for air intake of tires and prevention of air leakage of the tires. The main body of the valve core is a small section of cylinder with hollow upper end and solid lower end, a small hole is opened on the side surface of the lower end and communicated with the hollow part, and a section of elastic thin-edge rubber tube is sleeved on the lower side of the cylinder to form the whole special valve core. When the bicycle tire is inflated, compressed air in the air cylinder enters the air valve core from the hollow part, the elastic rubber tube is jacked up, and the air enters the bicycle tire; when the tyre is not inflated, the elastic rubber tube is tightened to cover the small holes on the side surface, so that air cannot flow back from the tyre. At present, when a maintenance worker installs and replaces the valve inside of an inner tire valve, the inner tire is fixed by hand pressure without a fixing measure.
At present, chinese patent with application number CN201820631011.3 discloses an automatic valve inside installation of inner tube air cock with evacuation function, which comprises a machine body, a feeding vibration disc is arranged at the top of the machine body, a transverse adjuster is arranged at the upper part of the machine body, a mounting seat is arranged on the transverse adjuster, an evacuation device is longitudinally arranged on the mounting seat, a valve inside installation device is arranged, a guide groove which extends upwards to the transverse adjuster is arranged at the lower part of the machine body, a stretching mechanism is arranged at the lower part of the guide groove, and the stretching mechanism is positioned under the mounting seat, so that the stretching mechanism does reciprocating motion along the guide groove, a feeding mechanism which extends downwards to the valve inside installation device is arranged on the feeding vibration disc, and the valve inside installation device is in clearance fit with the feeding mechanism. The device is used for installing the valve core of the inner tube air valve, so that the fixation of the inner tube is inconvenient, and the valve core is a one-way valve in essence, so that the air in the inner tube is difficult to be pumped out after the valve core is installed on the air valve, and the valve core is inconvenient to install and replace by maintenance personnel. Based on this, the utility model designs an inner tube of a tyre air cock is gone up valve core device with evacuation function.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an inner tube of a tyre air cock goes up valve inside device with evacuation function to the fixed of the inner tube of a tyre of being not convenient for that proposes in solving above-mentioned background, the valve inside is a one way check valve in addition, and it is difficult to take out the gas in the inner tube after installing on the air cock, the maintenance personal problem of changing to the installation of valve inside not being convenient for.
In order to achieve the above object, the utility model provides a following technical scheme:
a valve core device on an inner tire air faucet with a vacuumizing function comprises a working bottom plate, an inner tire, a sliding mechanism and a pressing mechanism, wherein the sliding mechanism comprises four groups of sliding grooves, the sliding grooves are symmetrically provided with the top end of the working bottom plate, sliding blocks are connected inside the sliding grooves in a sliding manner, the sliding blocks are far away from the center of the side face of the working bottom plate, a bearing is installed on the center of the side face of the sliding blocks, which is far away from the center of the working bottom plate, the bearing is rotatably connected with an adjusting screw rod, the center of the end part of the sliding grooves, which is far away from the center of the working bottom plate, is provided with a through threaded hole, the threads of the through threaded hole penetrate through the side wall of the working bottom plate, the top ends of the sliding blocks are fixedly provided with limiting side plates, the pressing mechanism, the inner wall of the sleeve is provided with threads matched with the screw rod, a pressing strip is fixed on the side wall of the sleeve, and an air tap is arranged on the inner ring of the inner tube.
Preferably, the horizontal cross-sectional shape of the working bottom plate is a positive direction, a rubber pad is arranged on the top end of the working bottom plate, and a groove matched with the sliding groove and the bottom end of the screw rod is formed in the rubber pad.
Preferably, the four groups of sliding chutes are arranged at the top end of the working bottom plate in a cross shape, a cross line formed by the top ends of the sliding chutes is overlapped with a central line of the top end of the working bottom plate, and the length of each sliding chute is less than half of the length of the working bottom plate.
Preferably, the height of the sliding block is equal to the depth of the sliding groove, the length of the adjusting screw is greater than the sum of the length of the sliding groove and the minimum vertical distance between the sliding groove and the side wall of the working bottom plate, the width of the limiting side plate is equal to the width of the sliding block, and the length of the limiting side plate is greater than the length of the sliding block.
Preferably, the height of the screw is greater than that of the limiting side plate, and the pressing strips are at least three groups and are circumferentially arranged at the center of the side wall of the sleeve at equal intervals.
Preferably, the side face of the limiting side plate close to the center of the working bottom plate and the bottom end face of the pressing strip are provided with rubber protection pads.
Compared with the prior art, the beneficial effects of the utility model are that: by arranging the sliding groove, the sliding block and the adjusting screw rod, the rotating thread of the adjusting screw rod is used for driving the sliding block to move in the sliding groove, so that the limiting side plate is driven to move, the inner tube is extruded and fixed by the limiting side plate, and the inner tube extruding device is suitable for inner tubes with various diameters; the upper part of the inner tire is extruded and fixed by arranging the screw rod, the sleeve and the pressing strip and driving the pressing strip to move downwards by utilizing the matching of the screw rod and the sleeve; through the effect that spacing curb plate and layering are two jointly, carry out extrusion of certain degree fixedly to the internal tyre, when exhausting to the internal tyre, inside gas is discharged because of the extrusion with higher speed, the installation of the follow-up valve inside of being convenient for.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings described below are only examples of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the top view structure of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure A-A of the present invention;
FIG. 4 is an enlarged schematic view of part A of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a working bottom plate, 2-an inner tube, 3-a sliding chute, 4-a sliding block, 5-a bearing, 6-an adjusting screw rod, 7-a through threaded hole, 8-a limiting side plate, 9-a screw rod, 10-a sleeve, 11-a thread, 12-a pressing strip and 13-an air tap.
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 examples 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
as shown in fig. 1 and 2, a valve core device on an inner tube air tap with a vacuumizing function comprises a working bottom plate 1, an inner tube 2, a sliding mechanism and an upper pressing mechanism, wherein the horizontal section of the working bottom plate 1 is in a positive direction, a rubber pad is arranged at the top end of the working bottom plate 1 to protect the inner tube 2 placed on the working bottom plate 1, grooves matched with the sliding grooves 3 and the bottom ends of screws 9 are formed in the rubber pad, the sliding mechanism comprises four groups of sliding grooves 3, the four groups of sliding grooves 3 are arranged at the top end of the working bottom plate 1 in a cross mode, a cross line formed by the top ends of the sliding grooves 3 is superposed with the central line of the top end of the working bottom plate 1, the length of the sliding grooves 3 is smaller than half of the length of the working bottom plate 1, and;
as shown in fig. 3, a sliding block 4 is slidably connected inside the sliding groove 3, the height of the sliding block 4 is equal to the depth of the sliding groove 3, a bearing 5 is installed at the center of the side surface of the sliding block 4 far away from the center of the working bottom plate 1, the bearing 5 is rotatably connected with an adjusting screw 6, the length of the adjusting screw 6 is greater than the sum of the length of the sliding groove 3 and the minimum vertical distance between the sliding groove 3 and the side wall of the working bottom plate 1, so as to ensure that the sliding block 4 can move freely between the two ends of the sliding groove 3, a through threaded hole 7 is formed in the center of the end part of the sliding groove 3 far away from the center of the working bottom plate 1, the through threaded hole 7 penetrates through the side wall of the working bottom plate 1, a limit side plate 8 is fixed at the top end of the sliding block 4, the upper pressing mechanism is arranged in the center of the top end of the working bottom plate 1 and comprises a screw rod 9, the screw rod 9 is fixed in the center of the top end of the working bottom plate 1, and the height of the screw rod 9 is greater than that of the limiting side plate 8;
as shown in fig. 4, a sleeve 10 is connected to the surface wall of the screw 9, threads 11 matched with the screw 9 are arranged on the inner wall of the sleeve 10, pressing strips 12 are fixed on the side wall of the sleeve 10, at least three groups of pressing strips 12 are circumferentially arranged at the center of the side wall of the sleeve 10 at equal intervals, air nozzles 13 are arranged on the inner ring of the inner tube 2, rubber protection pads are arranged on the side surface of the limiting side plate 8 close to the center of the working bottom plate 1 and the bottom end surface of the pressing strips 12, and the positions of the inner tube 2, the limiting side plate 8.
One specific application of this embodiment is: when needing to maintain the valve inside in the inflating valve 13 on the inner tube 2 and changing, place the inner tube 2 at the center of work bottom plate 1 top, at first utilize screw rod 9 and the screw-thread fit of sleeve 10, make layering 12 move down, it is spacing to carry out the extrusion on upper portion to the inner tube 2, then rotate adjusting screw 6, screw drive slider 4 removes, spacing curb plate 8 that makes moves to the inner tube 2, it is spacing to carry out extrusion all around to the inner tube 2, the inner tube 2 is in the spacing condition of extrusion of certain degree this moment, open inflating valve 13, utilize sharp-pointed objects such as bamboo let to insert in inflating valve 13, gaseous is discharged fast because of receiving the extrusion, the inner tube 2 gassing is accomplished, be convenient for the maintenance of the valve inside in the subsequent inflating valve 13 to change.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a valve core device on inner tube of a tyre air cock with evacuation function, includes work bottom plate (1), inner tube of a tyre (2), slide mechanism and last pressure mechanism, its characterized in that: the sliding mechanism comprises four groups of sliding grooves (3), the sliding grooves (3) are symmetrically provided with the top end of a working bottom plate (1), the sliding grooves (3) are internally and slidably connected with a sliding block (4), the sliding block (4) is far away from the center of the side surface of the working bottom plate (1) and is provided with a bearing (5), the bearing (5) is rotatably connected with an adjusting screw rod (6), the sliding grooves (3) are far away from the center of the end part of the working bottom plate (1) and are provided with through threaded holes (7), the threads of the through threaded holes (7) penetrate through the side wall of the working bottom plate (1), the top end of the sliding block (4) is fixedly provided with limiting side plates (8), the pressing mechanism is arranged at the center of the top end of the working bottom plate (1), and comprises a screw rod (9), screw rod (9) are fixed at work bottom plate (1) top center, screw rod (9) table wall connection has sleeve (10), sleeve (10) inner wall is provided with screw rod (9) complex screw thread (11), sleeve (10) lateral wall is fixed with layering (12), inner tube (2) are covered internally and are provided with air cock (13).
2. The inner tube air tap upper valve core device with the vacuumizing function according to claim 1, is characterized in that: the horizontal cross-sectional shape of work bottom plate (1) is the positive direction, be provided with the rubber pad on work bottom plate (1) top, seted up on the rubber pad with spout (3) and screw rod (9) bottom complex groove.
3. The inner tube air tap upper valve core device with the vacuumizing function according to claim 2, is characterized in that: the four groups of sliding chutes (3) are arranged at the top end of the working bottom plate (1) in a cross shape, cross lines formed by the top ends of the sliding chutes (3) coincide with the central line of the top end of the working bottom plate (1), and the lengths of the sliding chutes (3) are less than half of the length of the working bottom plate (1).
4. The inner tube air tap upper valve core device with the vacuumizing function according to claim 1, is characterized in that: the height of the sliding block (4) is equal to the depth of the sliding groove (3), the length of the adjusting screw rod (6) is greater than the sum of the length of the sliding groove (3) and the minimum vertical distance between the sliding groove (3) and the side wall of the working bottom plate (1), the width of the limiting side plate (8) is equal to the width of the sliding block (4), and the length of the limiting side plate (8) is greater than the length of the sliding block (4).
5. The inner tube air tap upper valve core device with the vacuumizing function according to claim 1, is characterized in that: the height of the screw rod (9) is larger than that of the limiting side plate (8), and the pressing strips (12) are at least three groups and are circumferentially arranged at the center of the side wall of the sleeve (10) at equal intervals.
6. The inner tube air tap upper valve core device with the vacuumizing function according to claim 1, is characterized in that: the side face of the limiting side plate (8) close to the center of the working bottom plate (1) and the bottom end face of the pressing strip (12) are provided with rubber protection pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020590017.8U CN212265711U (en) | 2020-04-20 | 2020-04-20 | Valve core device on inner tube air cock with evacuation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020590017.8U CN212265711U (en) | 2020-04-20 | 2020-04-20 | Valve core device on inner tube air cock with evacuation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212265711U true CN212265711U (en) | 2021-01-01 |
Family
ID=73875769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020590017.8U Expired - Fee Related CN212265711U (en) | 2020-04-20 | 2020-04-20 | Valve core device on inner tube air cock with evacuation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212265711U (en) |
-
2020
- 2020-04-20 CN CN202020590017.8U patent/CN212265711U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210101 Termination date: 20210420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |