CN211550667U - Air faucet - Google Patents
Air faucet Download PDFInfo
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- CN211550667U CN211550667U CN202020046111.7U CN202020046111U CN211550667U CN 211550667 U CN211550667 U CN 211550667U CN 202020046111 U CN202020046111 U CN 202020046111U CN 211550667 U CN211550667 U CN 211550667U
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Abstract
The utility model provides an air faucet, which comprises an air faucet head and an air faucet seat which can be axially connected, wherein the air faucet head axially comprises an inlet part matched with an air source and a first connecting part matched with the air faucet seat; the air nozzle seat comprises a second connecting part detachably matched with the first connecting part and an outlet part matched with the wheel disc flange along the axial direction; the first connecting portion is provided with a transition hole communicated with the inlet portion, the outlet portion is provided with a through hole along the axial direction, and the first connecting portion and the second connecting portion can be switched between two states of being blocked and communicated between the transition hole and the through hole after being matched. The utility model provides an air cock's advantage lies in: the operation space that will fill the gassing is outwards drawn out through the export department that sets up along the axial and being connected of rim plate flange, has made things convenient for operation personnel's operation, has solved the use problem in the little space, and the switching of passageway has been realized in the cooperation of first connecting portion and second connecting portion, guarantees the effective sealing of the inside gas of wheel or liquid in the use.
Description
Technical Field
The utility model relates to a track fills gassing structure technical field, especially relates to an air cock.
Background
At present, wheel type probes are widely used in the field of rail flaw detection, wheel type probes need to be filled with probe wheel liquid during working, and therefore the wheel type probes need to be provided with gas air nozzles and liquid air nozzles on flanges.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a realize the air cock of filling gas or liquid in little space is provided to overcome the problem of the unable adaptation small platform of current air cock structure.
The utility model discloses a solve above-mentioned technical problem through following technical scheme: an air faucet comprises an air faucet head and an air faucet seat which can be connected in the axial direction, wherein the air faucet head comprises an inlet part matched with an air source and a first connecting part matched with the air faucet seat in the axial direction; the air nozzle seat comprises a second connecting part detachably matched with the first connecting part and an outlet part matched with the wheel disc flange along the axial direction; the first connecting portion is provided with a transition hole communicated with the inlet portion, the outlet portion is provided with a through hole along the axial direction, and the first connecting portion and the second connecting portion can be switched between two states of being blocked and communicated between the transition hole and the through hole after being matched.
This real application will fill the operating space of gassing and outwards draw forth through being connected along axially arranged export department and rim plate flange, has made things convenient for operation personnel's operation, has solved the service problem in the little space to the cooperation through first connecting portion and second connecting portion has realized the switching of passageway, guarantees the effective sealing of the inside gas of wheel or liquid in the use.
Preferably, the first connecting part and the second connecting part are fixedly matched through threads.
Preferably, a sealing ring is further arranged between the first connecting portion and the second connecting portion, and after the first connecting portion is matched with the second connecting portion, the sealing ring seals an area between the first connecting portion and the second connecting portion.
Preferably, the transition hole is communicated with an end face of the first connecting portion facing the second connecting portion, the through hole is communicated with connecting faces of the second connecting portion and the outlet portion, and the end face of the first connecting portion contacts with the connecting faces to block the transition hole and the through hole in a tight fit state.
Preferably, the end face of the first connecting portion has a notch along the circumferential direction, the notch extends along the axial direction to form a tangent plane groove, the end portion of the transition hole is located on the tangent plane of the tangent plane groove, and the through hole is covered by the end face along the axial direction. The end face of the first connecting part without the section groove is an optimal cambered surface.
Preferably, the transition hole comprises a longitudinal hole arranged along the axial direction and a transverse hole arranged along the radial direction, one end of the longitudinal hole is positioned on the surface of the inlet part, the other end of the longitudinal hole is connected with one end of the transverse hole, and the other end of the transverse hole is positioned on the tangent plane of the tangent plane groove.
Preferably, the inlet portion surface is further provided with a straight slot blind hole covering the end of the longitudinal hole.
Preferably, the inlet portion and the first connecting portion are both cylindrical structures with external threads, the diameter of the inlet portion is larger than that of the first connecting portion, a step surface is formed between the inlet portion and the first connecting portion, and a sealing groove for accommodating the sealing ring is formed between the step surface and the external threads of the first connecting portion.
Preferably, the first connecting portion is screwed and fixed inside the second connecting portion, one end of the second connecting portion facing the first connecting portion is provided with a sinking step which shrinks inwards, and the sealing ring is limited in the sealing groove and abutted against a step surface of the sinking step when the first connecting portion and the second connecting portion are in a matched state.
Preferably, the second connecting part is a cylindrical structure with internal threads, and the outer surface of the second connecting part is provided with a wrench bayonet.
The utility model provides an air cock's advantage lies in: the operation space that will fill the gassing is outwards drawn out through the exit part that sets up along the axial and being connected of rim plate flange, has made things convenient for operation personnel's operation, has solved the use problem in the little space to the cooperation through first connecting portion and second connecting portion has realized the switching of passageway, guarantees the effective sealing of the inside gas of wheel or liquid in the use.
Drawings
Fig. 1 is an exploded view of an air faucet provided in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an air faucet provided in an embodiment of the present invention;
fig. 3 is a schematic view of an air nozzle head according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a transition hole and a through hole provided by an embodiment of the present invention;
fig. 5 is a schematic view of an air nozzle seat according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, this embodiment provides a convenient air cock that realizes passageway switching and can be in little space operation, including air cock head 1 and the air cock seat 2 that can follow the axial and connect, air cock head 1 includes along the axial with air supply complex inlet portion 11 and with air cock seat 2 complex first connecting portion 12, air cock seat 2 includes along the axial can dismantle complex second connecting portion 21 with first connecting portion 12 and with rim plate flange (not shown) cooperation to the wheel fill the export portion 22 of gassing/liquid, be provided with on the first connecting portion 12 with the transition hole 13 that the inlet portion communicates, export portion 22 is provided with through-hole 23 along the axial, can be blocked and communicate switching state between transition hole 13 and through-hole 23 after first connecting portion 12 and the cooperation of second connecting portion 21 to realize filling and filling the sealing of gassing and air cock.
In the embodiment, the outlet part 22 arranged along the axial direction is connected with the wheel disc flange to lead out the operation space for inflation and deflation outwards, so that the operation of operators is facilitated, the use problem in a small space is solved, the opening and closing of the channel are realized through the matching of the first connecting part 12 and the second connecting part 21, and the effective sealing of gas or liquid in the wheel in the use process is ensured; aiming at the wheel set of the ultrasonic detection wheel which needs two air nozzles, the liquid air nozzle is used for filling liquid into the detection wheel and opening the gas air nozzle for exhausting the gas, and the gas air nozzle is used for inflating the gas when the liquid is recovered or discharged so as to ensure that the liquid is basically and completely discharged.
In a use state, namely a matching state of the first connecting part 12 and the second connecting part 21, no matter the transition hole 13 and the through hole 23 are in a blocking state or a communicating state, a space enclosed by the first connecting part 12 and the second connecting part 21 is in a closed state so as to ensure inflation and deflation performance; referring to fig. 2, in the present embodiment, the first connection portion 12 has an external thread, the second connection portion 21 is provided with a threaded hole 211 having an internal thread in a descending manner along the axial direction, and the channel is kept sealed from the outside by screwing the internal thread and the external thread when the channel is switched.
With reference to fig. 2 and 3, the transition hole 13 is communicated with the end surface 121 of the first connecting portion 12 facing the second connecting portion 21, the through hole 23 axially extends to the bottom of the threaded hole where the second connecting portion 21 is matched with the first connecting portion 12, and when the threads of the first connecting portion 12 and the second connecting portion 21 are screwed, the end surface 121 is in surface contact with the threaded hole 211 to seal the transition hole 13 and the through hole 23.
Specifically, the end face 121 of the first connecting portion 12 provided by this embodiment has a notch along the circumferential direction, and the notch extends along the axial direction to form the tangent plane groove 122, the end of the transition hole 13 is located on the tangent plane of the tangent plane groove 122, the through hole 23 is covered by the end face 121 along the axial direction, the arc corresponding to the tangent plane groove 122 in this embodiment is a minor arc, and the arc corresponding to the end face 121 is a major arc, so as to ensure that the end face 121 can always block the through hole 23 in the rotation process of the first connecting portion 12 relative to the second connecting portion 21.
Referring to fig. 2, the transition hole 13 includes a longitudinal hole 131 arranged in an axial direction and a transverse hole 132 arranged in a radial direction, one end of the longitudinal hole 131 is located on the surface of the inlet portion 11, the other end of the longitudinal hole is connected to one end of the transverse hole 132, and the other end of the transverse hole 132 is located on the section of the section groove 122. Referring to fig. 1, the end surface of the inlet portion 11 is further provided with a blind hole 111 with a straight slot for covering the end of the longitudinal hole 131, so that gas or liquid can enter the blind hole, and when the matching relationship between the air nozzle head 1 and the air nozzle base 2 needs to be adjusted, a flat screwdriver can be directly inserted into the blind hole 111 for operation.
A person skilled in the art can also adjust the technical solution of the transition hole 13 and the through hole 23 as needed, referring to fig. 4, the end surface 121 is a whole circumferential surface, the through hole 23 is concentric with the end surface 121, and the end portion of the transition hole 13 and the through hole 23 are eccentrically arranged in a staggered manner, so that when the end surface 121 contacts the bottom surface of the threaded hole 211, the transition hole 13 and the through hole 23 are sealed.
Referring to fig. 3 again, the inlet portion 11 is adaptively designed according to the structure of the gas source, and is integrally and fixedly connected to the first connecting portion 12 in a main structure, in this embodiment, the diameter of the inlet portion 11 is larger than the diameter of the first connecting portion 12, a step surface 112 is formed between the inlet portion 11 and the first connecting portion 12, and a sealing groove 113 for accommodating the sealing ring 3 is formed between the step surface 112 and the external thread of the first connecting portion 12. The sealing ring 3 is placed in the sealing groove 113, so that the sealing effect is prevented from being influenced by the sliding of the sealing ring 3 when the depth of the first connecting part 12 in the second connecting part 21 is adjusted.
Referring to fig. 5, the second connection portion 21 has a sinking step 212 which is inwardly contracted toward the first connection portion 12, and in a state where the first connection portion 12 and the second connection portion 21 are fitted to each other, referring to fig. 2, the sealing ring 3 is confined in the sealing groove 113 and abuts against a step surface of the sinking step 212.
The second connecting portion 21 is a cylindrical structure, and in order to facilitate the separation and fixation of the air nozzle head 1 and the air nozzle seat 2, a wrench socket 213 is disposed on an outer surface of the second connecting portion 21, and in this embodiment, at least a partial region disposed outside the second connecting portion 21 is configured to be a regular hexagon structure similar to a nut.
The outlet 22 is arranged according to the air inlet structure of the wheel, and the nozzle base 2 can be directly fixed on the wheel in the production stage, in this embodiment, the outlet 22 is arranged as an exemplary screw structure with external threads.
Claims (10)
1. An air cock, its characterized in that: the air nozzle comprises an air nozzle head and an air nozzle seat which can be connected along the axial direction, wherein the air nozzle head axially comprises an inlet part matched with an air source and a first connecting part matched with the air nozzle seat; the air nozzle seat comprises a second connecting part detachably matched with the first connecting part and an outlet part matched with the wheel disc flange along the axial direction; the first connecting portion is provided with a transition hole communicated with the inlet portion, the outlet portion is provided with a through hole along the axial direction, and the first connecting portion and the second connecting portion can be switched between two states of being blocked and communicated between the transition hole and the through hole after being matched.
2. A gas nozzle according to claim 1, wherein: the first connecting part and the second connecting part are fixedly matched through threads.
3. A gas nozzle according to claim 2, wherein: still be provided with the sealing washer between first connecting portion and the second connecting portion, after first connecting portion and the cooperation of second connecting portion, the sealing washer is with the regional seal between first connecting portion and the second connecting portion.
4. A gas nozzle according to claim 1, wherein: the transition hole is communicated with the end face, facing the second connecting portion, of the first connecting portion, the through hole is communicated with the connecting faces of the second connecting portion and the outlet portion, and the end face and the connecting face of the first connecting portion are in contact with and block the transition hole and the through hole in a sealing mode under the tight fit state of the first connecting portion and the second connecting portion.
5. A gas nozzle according to claim 4, characterized in that: the end face of the first connecting portion is provided with a notch along the circumferential direction, the notch extends along the axial direction to form a section groove, the end portion of the transition hole is located on the section of the section groove, the through hole is covered by the end face along the axial direction, and the end face of the first connecting portion, from which the section groove is removed, is an optimal arc face.
6. A gas nozzle according to claim 5, characterized in that: the transition hole comprises a longitudinal hole and a transverse hole, the longitudinal hole is axially arranged, the transverse hole is radially arranged, one end of the longitudinal hole is located on the surface of the inlet portion, the other end of the longitudinal hole is connected with one end of the transverse hole, and the other end of the transverse hole is located on the tangent plane of the tangent plane groove.
7. A gas nozzle according to claim 6, characterized in that: the surface of the inlet part is also provided with a straight groove blind hole covering the end part of the longitudinal hole.
8. A gas nozzle according to claim 3, wherein: the inlet portion and the first connecting portion are of cylindrical structures with external threads, the diameter of the inlet portion is larger than that of the first connecting portion, a step surface is formed between the inlet portion and the first connecting portion, and a sealing groove for accommodating the sealing ring is formed between the step surface and the external threads of the first connecting portion.
9. A gas nozzle according to claim 8, wherein: the first connecting portion are spirally fixed inside the second connecting portion, one end, facing the first connecting portion, of the second connecting portion is provided with a settling step which contracts inwards, and the sealing ring is limited in the sealing groove and abutted to the step surface of the settling step in the matching state of the first connecting portion and the second connecting portion.
10. A gas nozzle according to claim 8, wherein: the second connecting portion are cylindrical structures with internal threads, and wrench bayonets are arranged on the outer surfaces of the second connecting portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020046111.7U CN211550667U (en) | 2020-01-09 | 2020-01-09 | Air faucet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020046111.7U CN211550667U (en) | 2020-01-09 | 2020-01-09 | Air faucet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211550667U true CN211550667U (en) | 2020-09-22 |
Family
ID=72490880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020046111.7U Active CN211550667U (en) | 2020-01-09 | 2020-01-09 | Air faucet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211550667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI826905B (en) * | 2022-01-20 | 2023-12-21 | 阿米瑟工業股份有限公司 | High flow valve head |
-
2020
- 2020-01-09 CN CN202020046111.7U patent/CN211550667U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI826905B (en) * | 2022-01-20 | 2023-12-21 | 阿米瑟工業股份有限公司 | High flow valve head |
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