CN112405432A - Air feeding nozzle of automatic press fitting equipment for automobile barometer pointer and use method - Google Patents
Air feeding nozzle of automatic press fitting equipment for automobile barometer pointer and use method Download PDFInfo
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- CN112405432A CN112405432A CN202011254648.3A CN202011254648A CN112405432A CN 112405432 A CN112405432 A CN 112405432A CN 202011254648 A CN202011254648 A CN 202011254648A CN 112405432 A CN112405432 A CN 112405432A
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- air
- pointer
- rod end
- head end
- automobile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
Abstract
An upper air nozzle of automatic press-mounting equipment for a pointer of an automobile barometer aims to solve the problems that the existing air nozzle cannot meet the use requirements of new automatic press-mounting equipment, air tightness is poor and local air leakage is easy to occur, and an air pipe connected with the outside of the air nozzle is easy to burst due to excessive instant excess at best, the air nozzle comprises a head end and a rod end, the head end and the rod end are integrally manufactured or fixedly connected, the top end surface of the head end is hemispherical, the outer end surface of the rod end is cylindrical, air holes arranged along the central axis are formed in the head end and the rod end, one or more layers of annular bulges are arranged on the outer end surface of the rod end, the number of the annular bulges is 3 or 5, the upper air nozzle is manufactured to be hemispherical, large holes are formed in the middle of the upper air nozzle for ventilation, the upper air nozzle is manufactured to be hemispherical, the upper air nozzle, the lower part is a small hole, the upper part is a big hole, a small swirling airflow vortex is formed, and air leakage is prevented.
Description
Technical Field
The invention relates to the field of gas path guiding, in particular to an upper gas nozzle of automatic press fitting equipment for a pointer of an automobile barometer and a using method of the upper gas nozzle.
Background
The pointer in current motormeter mostly passes through, the pressure equipment forms, connect two trachea connecting pieces on motormeter air pressure pointer's the screwed pipe of ventilating through the manual work, through aerating device to the trachea air feed, gaseous along the trachea enter into motormeter air pressure pointer's the screwed pipe of ventilating, press the pointer pressure equipment on motormeter panel at cooperation pressure head device, this in-process, every instrument pointer of connecting the screwed pipe of ventilating, need consume workman 1-2 minutes time, efficiency is very low, the totality consumes man-hour longer, the automation level is low. After workers work for a long time, the novel connecting piece is extremely easy to fatigue, needs high concentration of energy, is neglected slightly, can generate air leakage when the connecting piece is not installed in place, and can be directly scrapped due to unqualified products caused by air leakage. The trachea can be damaged and the accident of tube explosion can occur even if the device works for a long time,
only workers with long-term pressing experience can accept the work, the operation difficulty is higher, the barometer can be damaged by carelessness, the product is unqualified, the product percent of pass is seriously influenced, unnecessary loss is brought to companies and enterprises,
in order to overcome the problems, the automatic press-fitting equipment can replace manual work, gas flow direction from the gas pipe to the gas inlet threaded pipe needs to be guided by the gas nozzle, the existing gas nozzle cannot meet the use requirement of new automatic press-fitting equipment, the gas tightness is not good easily, the local gas leakage problem is solved, and the gas pipe externally connected with the gas nozzle is easy to burst due to the fact that the gas nozzle is excessively large in quantity.
Disclosure of Invention
The purpose of the invention is as follows: in order to solve the problems that the existing air nozzle cannot meet the use requirement of new automatic press fitting equipment, air tightness is poor and local air leakage is easy to generate, and an air pipe connected with the outside of the air nozzle is easy to explode due to instantaneous overlarge air nozzle at best, the air nozzle for the automatic press fitting equipment of the pointer of the automobile barometer and the use method are further provided.
The invention is implemented by the following embodiments: the upper air nozzle of the automatic press fitting equipment for the pointer of the automobile barometer comprises a head end and a rod end, wherein the head end and the rod end are integrally formed, the top end face of the head end is hemispherical, the outer end face of the rod end is cylindrical, and a plurality of layers of annular protrusions are arranged on the outer end face of the rod end. Stepped vent holes are arranged inside the head end and the rod end along the central axis.
Further, the outer end face of the head end is cylindrical.
Still further, the head end and the rod end are arranged in a step shape, and the outer diameter of the head end is larger than that of the rod end.
Further, the annular protrusion is a stepped protrusion.
Still further, the number of the annular protrusions is 3-5 layers.
Further, the outer diameter of the annular protrusion on the rod end is 20% or more larger than the inner diameter of the air pipe to be installed.
Still further, the echelonment air vent includes large aperture air vent and small aperture air vent, the middle part of head end is run through to the large aperture air vent by the top of head end, and the bottom of rod end is run through to the small aperture air vent by the middle part of head end.
Furthermore, the diameter of the large-aperture vent hole is 2.8-3.2mm, and the diameter of the small-aperture vent hole is 1.6-2.0 mm.
The use method of the upper air nozzle of the automatic press fitting equipment for the pointer of the automobile barometer comprises the following steps: use of any of claims 1-8 to carry out the method, in particular comprising the steps of:
the method comprises the following steps: inserting the air faucet into a nut of a locking mechanism of the press mounting equipment from top to bottom through a rod end, wherein the head end of the air faucet is positioned inside the nut, and the rod end of the air faucet is positioned inside the belt wheel;
step two: the air pipe is sleeved outside the rod end from bottom to top until the air pipe is sleeved on all the annular protrusions
Step three; the trachea protective sleeve is sleeved outside the trachea, and the position of the trachea protective sleeve is close to the lower part of the belt wheel.
Step four: after the locking mechanism of the automatic press-fitting equipment operates and the nut is screwed with the automobile instrument air pressure pointer ventilation threaded hole, the head end of the nut is abutted against the bottom of the automobile instrument air pressure pointer ventilation threaded hole;
step five: and (3) inflating the air pipe, wherein the air passage enters the large-aperture vent hole from the small-aperture vent hole, and finally enters the barometer from the air pressure pointer ventilation threaded hole of the automobile meter.
Has the advantages that:
the lower part of the upper air nozzle is manufactured into a 5-level or 3-level annular step shape, the outer diameter dimension of the upper air nozzle is 20% larger than the inner diameter dimension of the mounting air pipe, the inner wall of the air pipe is expanded, and tight fit is formed by utilizing the elasticity of the air pipe (polyurethane), which is similar to interference fit in mechanical design. And is internally perforated with small holes for ventilation
The upper part of the upper air nozzle is made into a hemisphere shape, the middle of the upper air nozzle is provided with a large hole for ventilation, and the hemisphere shape made above is beneficial to being tightly attached to a ventilation threaded hole of an air pressure pointer of an automobile instrument, so that air leakage and air leakage are prevented.
The upper air nozzle is internally provided with a stepped hole, the lower part is provided with a small hole, and the upper part is provided with a large hole, so that a small swirling airflow vortex is formed to prevent air leakage. And simultaneously, the function of local small pressurization is achieved.
The upper air nozzle is provided with the air pipe protective sleeve, so that the problem of pipe explosion is solved.
Drawings
FIG. 1 is a schematic view of an air faucet of the present invention
FIG. 2 is a second schematic view of the air faucet of the present invention;
FIG. 3 is a schematic view of the connection of the air faucet and the locking device of the present invention;
FIG. 4 is a schematic view of the connection of the air faucet of the present invention with the ventilation threaded hole of the air pressure pointer of the automobile instrument.
Detailed Description
The first embodiment is as follows: last air cock of automatic pressure equipment of car barometer pointer, its characterized in that: the air cock includes head end 1 and rod end 2, head end 1 sets up with rod end 2 integrated into one piece, and head end 1 top terminal surface is the hemisphere, and the outside terminal surface of rod end 2 is cylindrical, and the 2 outer terminal surfaces of rod end are equipped with the annular of multilayer and protrudingly 4. The head end 1 and the rod end 2 are internally provided with step-shaped vent holes 3 arranged along the central axis.
The upper portion of this embodiment is made into the hemisphere and is favorable to closely laminating with motormeter air pressure pointer screw hole of ventilating, prevents gas leakage, loses heart.
The other embodiments are the same as the first embodiment.
The second embodiment is as follows: the upper air tap of the automatic press fitting equipment for the pointer of the automobile barometer according to claim 1, wherein: the outer end face of the head end 1 is cylindrical.
The other embodiments are the same as the first embodiment.
The third concrete implementation mode: the head end 1 and the rod end 2 are arranged in a step shape, and the outer diameter of the head end 1 is larger than that of the rod end 2.
In this embodiment, the head end outer diameter is larger than the rod end outer diameter in order to define a specific position for installation.
The other embodiments are the same as the second embodiment.
The fourth concrete implementation mode: the annular protrusion 4 is a stepped protrusion.
In this embodiment, a stepped annular protrusion is provided to ensure sealing performance by better fitting the air nozzle to the air tube, and other embodiments are the same as the third embodiment.
The fifth concrete implementation mode: the number of the annular protrusions 4 is 3-5 layers.
The other embodiments are the same as the fourth embodiment.
The sixth specific implementation mode: the outer diameter of the annular protrusion 4 on the rod end 2 is 20% or more larger than the inner diameter of the air pipe to be installed.
In this embodiment, the outer diameter of the annular protrusion 4 on the rod end 2 is 20% larger than the inner diameter of the mounting air pipe, so as to expand the inner wall of the air pipe and form a tight fit by using the elasticity of the air pipe (polyurethane).
The other embodiments are the same as the fifth embodiment.
The seventh embodiment: the step-shaped vent holes 3 comprise large-aperture vent holes 3-1 and small-aperture vent holes 3-2, the large-aperture vent holes 3-1 penetrate through the head end 1 from the top to the middle of the head end 1, and the small-aperture vent holes 3-2 penetrate through the head end 1 from the middle to the bottom of the rod end 2.
In the present embodiment: the upper air nozzle is internally provided with a stepped hole, the lower part is provided with a small hole, and the upper part is provided with a large hole, so that a small swirling airflow vortex is formed to prevent air leakage. And simultaneously, the function of local small pressurization is achieved.
The other embodiments are the same as the sixth embodiment.
The specific implementation mode is eight: the diameter of the large-aperture vent hole 3-1 is 2.8-3.2mm, and the diameter of the small-aperture vent hole 3-2 is 1.6-2.0 mm.
The other embodiments are the same as the seventh embodiment.
The specific implementation method nine: the use method of the upper air nozzle of the automatic press fitting equipment for the pointer of the automobile barometer comprises the following steps: the method is characterized in that: use of any of claims 1-8 to carry out the method, in particular comprising the steps of:
the method comprises the following steps: inserting the air faucet into a nut 7 of a locking mechanism of press mounting equipment from top to bottom through a rod end 2, wherein a head end 1 of the air faucet is positioned inside the nut 7, and the rod end 2 of the air faucet 7 is positioned inside a belt wheel 8;
step two: the air pipe 5 is sleeved outside the rod end 2 from bottom to top until the air pipe 5 is sleeved on all the annular protrusions 4
Step three; an air pipe protective sleeve 6 is sleeved outside the air pipe 5, and the position of the air pipe protective sleeve 6 is close to the lower part of the belt wheel.
Step four: after the locking mechanism of the automatic press-fitting equipment operates and the nut 7 is screwed with the automobile instrument air pressure pointer ventilation threaded hole (9), the head end 1 is propped against the bottom of the automobile instrument air pressure pointer ventilation threaded hole 9;
step five: and (3) inflating the air pipe, wherein the air passage enters the large-aperture vent hole 3-1 from the small-aperture vent hole 3-2 and finally enters the barometer from the automobile instrument air pressure pointer air vent threaded hole 9.
In the present embodiment: the upper air nozzle is provided with an air pipe protective sleeve, so that the problem of pipe explosion is avoided.
Claims (9)
1. Last air cock of automatic pressure equipment of car barometer pointer, its characterized in that: the air cock includes head end (1) and rod end (2), head end (1) sets up with rod end (2) integrated into one piece, and head end (1) top end face is the hemisphere, and the outside terminal surface of rod end (2) is cylindrical, and the outer terminal surface of rod end (2) is equipped with the annular protruding (4) of multilayer. Stepped vent holes (3) arranged along the central axis are arranged inside the head end (1) and the rod end (2).
2. The upper air tap of the automatic press fitting equipment for the pointer of the automobile barometer according to claim 1, wherein: the outer side end face of the head end (1) is cylindrical.
3. The upper air tap of the automatic press fitting equipment for the pointer of the automobile barometer according to claim 2, wherein: the head end (1) and the rod end (2) are arranged in a step shape, and the outer diameter of the head end (1) is larger than that of the rod end (2).
4. The upper air tap of the automatic press fitting equipment for the pointer of the automobile barometer according to claim 3, wherein: the annular protrusion (4) is a stepped protrusion.
5. The upper air tap of the automatic press fitting equipment for the pointer of the automobile barometer according to claim 4, wherein: the number of the annular protrusions (4) is 3-5 layers.
6. The upper air tap of the automatic press fitting equipment for the pointer of the automobile barometer according to claim 5, wherein: the outer diameter of the annular protrusion (4) on the rod end (2) is 20% or more larger than the inner diameter of the air pipe to be installed.
7. The upper air tap of the automatic press fitting equipment for the pointer of the automobile barometer according to claim 6, wherein: the ladder-shaped vent hole (3) comprises a large-aperture vent hole (3-1) and a small-aperture vent hole (3-2), the large-aperture vent hole (3-1) penetrates through the middle of the head end (1) from the top of the head end (1), and the small-aperture vent hole (3-2) penetrates through the bottom of the rod end (2) from the middle of the head end (1).
8. The upper air tap of the automatic press fitting equipment for the pointer of the automobile barometer according to claim 7, wherein: the diameter of the large-aperture vent hole (3-1) is 2.8-3.2mm, and the diameter of the small-aperture vent hole (3-2) is 1.6-2.0 mm.
9. The use method of the upper air nozzle of the automatic press fitting equipment for the pointer of the automobile barometer comprises the following steps: the method is characterized in that: use of any of claims 1-8 to carry out the method, in particular comprising the steps of:
the method comprises the following steps: inserting the air tap into a nut (7) of a locking mechanism of the press mounting equipment from top to bottom through a rod end (2), wherein the head end (1) of the air tap is positioned inside the nut (7), and the rod end (2) of the air tap (7) is positioned inside a belt wheel (8);
step two: the air pipe (5) is sleeved outside the rod end (2) from bottom to top until the air pipe (5) is sleeved on all the annular protrusions (4)
Step three; an air pipe protective sleeve (6) is sleeved outside the air pipe (5), and the position of the air pipe protective sleeve (6) is close to the lower part of the belt wheel.
Step four: after the locking mechanism of the automatic press-fitting equipment runs and the nut (7) is screwed with the automobile instrument air pressure pointer ventilation threaded hole (9), the head end (1) is propped against the bottom of the automobile instrument air pressure pointer ventilation threaded hole (9);
step five: and (3) inflating the air pipe, wherein the air passage enters the large-aperture vent hole (3-1) from the small-aperture vent hole (3-2), and finally enters the barometer from the automobile instrument air pressure pointer air vent threaded hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011254648.3A CN112405432A (en) | 2020-11-11 | 2020-11-11 | Air feeding nozzle of automatic press fitting equipment for automobile barometer pointer and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011254648.3A CN112405432A (en) | 2020-11-11 | 2020-11-11 | Air feeding nozzle of automatic press fitting equipment for automobile barometer pointer and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112405432A true CN112405432A (en) | 2021-02-26 |
Family
ID=74781480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011254648.3A Withdrawn CN112405432A (en) | 2020-11-11 | 2020-11-11 | Air feeding nozzle of automatic press fitting equipment for automobile barometer pointer and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112405432A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3085711U (en) * | 2001-10-30 | 2002-05-17 | 成▲ウ▼工業股▲フン▼有限公司 | Tubing fittings |
| RU2208737C2 (en) * | 2001-01-12 | 2003-07-20 | Зильберберг Владимир Элюкимович | Permanent joint of end fittings with high-pressure hose |
| CN2867045Y (en) * | 2005-12-02 | 2007-02-07 | 洪登禄 | Water pipeline connecting structure |
| CN201925640U (en) * | 2010-12-17 | 2011-08-10 | 北汽福田汽车股份有限公司 | Pipe joint |
| CN104747832A (en) * | 2015-03-24 | 2015-07-01 | 福建晋工机械有限公司 | Connector applied to hydraulic pipelines |
-
2020
- 2020-11-11 CN CN202011254648.3A patent/CN112405432A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2208737C2 (en) * | 2001-01-12 | 2003-07-20 | Зильберберг Владимир Элюкимович | Permanent joint of end fittings with high-pressure hose |
| JP3085711U (en) * | 2001-10-30 | 2002-05-17 | 成▲ウ▼工業股▲フン▼有限公司 | Tubing fittings |
| CN2867045Y (en) * | 2005-12-02 | 2007-02-07 | 洪登禄 | Water pipeline connecting structure |
| CN201925640U (en) * | 2010-12-17 | 2011-08-10 | 北汽福田汽车股份有限公司 | Pipe joint |
| CN104747832A (en) * | 2015-03-24 | 2015-07-01 | 福建晋工机械有限公司 | Connector applied to hydraulic pipelines |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210226 |
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| WW01 | Invention patent application withdrawn after publication |