CN203672437U - Air flow meter of automobile - Google Patents
Air flow meter of automobile Download PDFInfo
- Publication number
- CN203672437U CN203672437U CN201420025006.XU CN201420025006U CN203672437U CN 203672437 U CN203672437 U CN 203672437U CN 201420025006 U CN201420025006 U CN 201420025006U CN 203672437 U CN203672437 U CN 203672437U
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- China
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- air flow
- projection
- air inlet
- turbogrid plates
- annular
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to an air flow meter of an automobile. The air flow meter comprises a cylindrical shell with an air flow path, an air flow sensor, an air inlet grid plate, a metal filter screen and an air outlet grid plate. An air inlet of the air flow path is provided with a step opening for assembly of the air inlet grid plate and the metal filter screen, an outer ring of the air inlet grid plate is provided with an annular tightening protrusion, a port of an insertion-installation initial end of the annular tightening protrusion is in a circular cone shape with reduced ends, a plurality of clamping convex blocks matched with the annular tightening protrusion in a limiting and clamping mode are distributed on the circumferential side wall of the step opening at equal intervals, a diagonal plane with low ends is arranged at the end, facing towards an outlet of the step opening, of the clamping convex block, a clamping groove allowing the metal filter screen and the annular tightening protrusion to be clamped into is formed in the position between the other end of the clamping convex block and the bottom of the step opening, the annular tightening protrusion is in interference fit with the clamping groove, the outer ring of the air inlet grid plate extends in the axial direction facing towards the insertion-installation direction to form a preassembled convex, and the outer diameter of the preassembled convex ring is smaller than that of the annular tightening protrusion. According to the air flow meter of the automobile, positioning and assembling of the air inlet grid plate are facilitated, and therefore assembling efficiency is improved.
Description
Technical field
The utility model relates to auto parts machinery technical field, definite says a kind of air flowmeter.
Background technology
The air flowmeter of automotive engine air intake system is for detecting accurately the flow of air, makes the work that engine electric spray system can be high-quality and efficient, and then reduces engine consumption.
Existing air flowmeter generally comprises shell and the air flow sensor of tubular, shell has air flow channel, air flow sensor is fixed on shell, the detection probe of air flow sensor one end stretches in air flow channel, the other end of air flow sensor is provided with wire harness socket, at the air intake opening of air flow channel, air inlet Turbogrid plates and metal filter screen are installed, the gas outlet of air flow channel is provided with the Turbogrid plates of giving vent to anger, adopt at shell and be positioned at air intake opening and gas outlet place formation bench port, for the assembling of air inlet grid and the grid of giving vent to anger, for ease of its location, conventionally on bench port internal perisporium, locating notch being set positions, bench port inwall arranges and compresses projection, on the outer ring of air inlet Turbogrid plates and the Turbogrid plates of giving vent to anger, annular is set and is press-fitted projection, being press-fitted projection through annular joins and realizes compression fit with compression projection card, cooperation place has gap like this, adopt encapsulating to seal, but air inlet grid and metal filter screen need to assemble in air intake opening place, the air intake opening place bench port degree of depth is large, it is a circular mating surface that annular is press-fitted projection, air inlet Turbogrid plates must be kept to coaxial alignment completely, air inlet Turbogrid plates could be pressed in bench port, cause air inlet Turbogrid plates assembling inconvenience, so that reduce production efficiency, and when sealant pouring and sealing, glue easily pollutes metal o-ring.
Summary of the invention
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of automobile air flow meter, can facilitate the orientation assemble of air inlet Turbogrid plates, and adopt tensioner sealing, without encapsulating, both reduced installation step, improve efficiency of assembling, avoid again glue to pollute metal filter screen.
For achieving the above object, the utility model provides following technical scheme: a kind of automobile air flow meter, include the shell of tubular, air flow sensor, air inlet Turbogrid plates, metal filter screen and the Turbogrid plates of giving vent to anger, shell has air flow channel, air flow sensor is fixed on shell, air intake opening place at air flow channel is provided with bench port, air inlet Turbogrid plates and metal filter screen are assemblied in bench port, air inlet Turbogrid plates are fitted in metal filter screen top, the Turbogrid plates of giving vent to anger are arranged on the gas outlet place of air flow channel, it is characterized in that: the outer ring of described air inlet Turbogrid plates is provided with annular tensioner projection, the port at annular tensioner projection plug-in mounting top is the cone shape that end dwindles, the first-class fixing projection that is intervally distributed with some and annular tensioner projection limit card of bench port week sidewall, fix projection and be provided with the low scarf in end towards bench port outlet one end, fix the draw-in groove that supplies metal filter screen and annular tensioner projection to snap between the projection other end and bench port bottom, annular tensioner projection and draw-in groove interference fit, the outer ring of described air inlet Turbogrid plates extends axially towards cartridge insertion direction the prepackage bulge loop that external diameter is less than annular tensioner projection.
By adopting technique scheme, the setting of prepackage bulge loop, realize that air inlet Turbogrid plates are pre-aligned to be inserted in bench port, realize prepackage guiding, and the while is because the port at the plug-in mounting top of annular tensioner projection is the cone shape that end dwindles, fix projection and be provided with the low scarf in end towards bench port outlet one end, the port at annular tensioner projection plug-in mounting top is taken advantage of a situation and is embedded on the scarf that fixes projection, realize close-fitting in advance, push again air inlet Turbogrid plates, after air inlet Turbogrid plates are positioned, when pushing, produce micro-elastic deformation, annular tensioner projection is crossed fixing projection and is snapped in draw-in groove, annular tensioner projection tensioner realizes sealing close-fitting in draw-in groove, due to the port organization setting of prepackage bulge loop, annular tensioner projection plug-in mounting top and fixing projection, realize air inlet Turbogrid plates and locate reliably in advance close-fitting in bench port, be convenient to later stage pushing air inlet Turbogrid plates formation elastic deformation and snap in draw-in groove, finally form tensioner and coordinate, realize sealing, there is prepackage location, assemble more conveniently, realize tensioner assembling, and adopt tensioner to coordinate (interference fit) to realize sealing, without encapsulating processing, reduce assembly process, and it is online to avoid glue to flow to metal filtration, to metal filtration network pollution.
The utility model is further set to: described prepackage bulge loop comprises ring body, ring body outer wall is first-class is intervally distributed with some prepackage positioning convex, prepackage positioning convex shifts to install with fixing projection, the height of described prepackage positioning convex is less than described annular tensioner projection, described ring body external diameter is less than each fixing projection and forms the diameter of annular plug-in mounting entrance, respectively pre-installs positioning convex and forms the diameter that circular orientation outside diameter is greater than each fixing projection and forms annular plug-in mounting entrance.
By adopting technique scheme, in the time of prepackage, prepackage bulge loop and the protruding space of fixing, and embed in the interval fixing between projection through prepackage positioning convex, coordinate with the inwall of bench port to form and pre-install location, locate more reliable.
The utility model is further set to: described bench port inwall is provided with the relative location convex tendon at least one pair of position, the periphery of described metal filter screen is provided with and the limited bayonet of locating convex tendon adaptation, and the outer ring of described air inlet Turbogrid plates is provided with longitudinal register groove.
By adopting technique scheme, realize the orientation assemble of metal filter screen, and the location of air inlet Turbogrid plates, prevent the rotation of metal filter screen and air inlet Turbogrid plates, realize circumferentially location, make to assemble more convenient.
The utility model is further set to: the outer wall of described shell is provided with web joint, on described web joint, be provided with two relative pilot holes, in described pilot hole, be provided with the locating sleeve that metal material is made, described locating sleeve and pilot hole interference fit, described locating sleeve is provided with mounting hole.
By adopting technique scheme, on shell, be fixedly installed a plate, on web joint, be provided with mounting hole, can easily shell air intake opening and air cleaner be fixed together by bolt, thereby air flowmeter can be fixedly mounted on engine, can not cause because of the vibration of engine coming off of air flowmeter, easy for installation firm, reliable in structure, for the normal stable operation of system provides guarantee, and form on the locating sleeve made at metal material of mounting hole, can make it that location is installed firm.
Below in conjunction with accompanying drawing, the utility model is further described.
Brief description of the drawings
Fig. 1 is the utility model specific embodiment automobile air flow meter structural representation;
Fig. 2 is the utility model specific embodiment automobile air flow meter explosive view;
Fig. 3 is the utility model specific embodiment air inlet grid plate structure schematic diagram;
Fig. 4 is Fig. 3 A part partial enlarged view.
Embodiment
As shown in Figure 1 to Figure 4, the disclosed a kind of automobile air flow meter of the utility model, includes shell 1, air flow sensor 2, air inlet Turbogrid plates 3, the metal filter screen 4 of tubular and the Turbogrid plates 6 of giving vent to anger.Described shell 1 has air flow channel 11, and air flow sensor 2 is fixed on shell 1, and the detection probe of air flow sensor 2 one end stretches in air flow channel 11, and the other end of air flow sensor 2 is provided with the wire harness plug socket being connected with detection probe.Air intake opening place at air flow channel 11 is provided with bench port 5, and air inlet Turbogrid plates 3 and metal filter screen 4 are assemblied in bench port 12, and air inlet Turbogrid plates 3 are fitted in metal filter screen 4 tops.The Turbogrid plates of giving vent to anger are arranged on the gas outlet place of air flow channel 11.The outer ring 31 of described air inlet Turbogrid plates 3 is provided with annular tensioner projection 32, the port at annular tensioner projection 32 plug-in mounting tops 321 is the cone shape that end dwindles, 5 weeks first-class fixing projections 52 that are intervally distributed with some and annular tensioner projection 32 limit cards of sidewall of bench port, fixing projection 52 exports one end towards bench port 5 and is provided with the low scarf in end 521, and the assembling entrance that so each fixing projection 52 forms is the hydraucone that oral area is large; The draw-in groove 51 that supplies metal filter screen 4 and annular tensioner projection 32 to snap between the other end that described fixing projection 52 is relative and bench port 5 bottoms; Annular tensioner projection 32 and draw-in groove 51 interference fit.The outer ring 31 of described air inlet Turbogrid plates 3 extends axially towards cartridge insertion direction the prepackage bulge loop 33 that external diameter is less than annular tensioner projection 32.Described prepackage bulge loop 33 comprises ring body 331, and ring body 331 outer walls are first-class is intervally distributed with some prepackage positioning convex 332; Prepackage positioning convex 332 shifts to install with fixing projection 52, the height of described prepackage positioning convex 332 is less than described annular tensioner projection 32, described ring body 331 external diameters are less than the diameter of each fixing projection 52 annular plug-in mounting entrance that forms, and respectively pre-install the diameter that the positioning convex 332 circular orientation outside diameter that forms is greater than each fixing projection 52 annular plug-in mounting entrance that forms.
For further facilitating assembling, described bench port 5 inwalls are provided with the relative location convex tendon 53 at least one pair of position, the periphery of described metal filter screen 4 is provided with and the limited bayonet 41 of locating convex tendon 53 adaptations, and the outer ring 31 of described air inlet Turbogrid plates 3 is provided with longitudinal register groove 34.When assembling: the limited bayonet of metal filter screen 4 41 is aimed to location convex tendon 53 and pack in bench port 5, longitudinal register groove 34 on air inlet Turbogrid plates 3 is aimed to location convex tendon 54, realize circumferential orientation assemble; The prepackage bulge loop 33 of air inlet Turbogrid plates 3 is inserted in bench port 5, the prepackage positioning convex 332 on prepackage bulge loop 33 coordinates location with bench port 5 inwalls, taking advantage of a situation to embed and fix projection 52 and export on the scarf 521 of one end towards bench port 5 in the end of annular tensioner projection 32 plug-in mounting top 321 cone shapes, forms close-fitting in advance; Push again air inlet Turbogrid plates 3, annular tensioner projection 32 elastic deformations, take advantage of a situation to cross and fix projection 52, snap in draw-in groove 51, be pressed on metal filter screen 4 simultaneously, annular tensioner projection 32 is restored on draw-in groove 51 inwalls that are pressed on bench port 5 and is realized interference compression, fixes projection 52 by spacing in draw-in groove 51 annular tensioner projection 32; Realize so the pre-aligned assembling of air inlet Turbogrid plates, realize air inlet Turbogrid plates close-fitting and pack into, tensioner sealing, without encapsulating processing, also can realize good sealing, simultaneously without after encapsulating, avoid glue to flow to metal filtration online, contaminated filter net, and affect the defect of filter effect.
For ease of the installation of automobile air flow meter, the outer wall of described shell 1 is provided with web joint 12, on described web joint 12, be provided with two relative pilot holes, in described pilot hole, be provided with the locating sleeve 13 that metal material is made, described locating sleeve 13 and pilot hole interference fit, described locating sleeve 13 is provided with mounting hole 14.Can easily shell air intake opening and air cleaner be fixed together by bolt, thereby air flowmeter can be fixedly mounted on engine, can not cause because of the vibration of engine coming off of air flowmeter, easy for installation firm, reliable in structure, for the normal stable operation of system provides guarantee, and form on the locating sleeve made at metal material of mounting hole, can make it that location is installed firm.Described shell 1 is provided with and inserts endotracheal interface on engine towards one end of gas outlet outer wall, interface end is provided with retaining convex rib, is provided with a positioning recess 15 on retaining convex rib, facilitates tracheae positioning and plug-in mounting on engine, prevent from relatively rotating, make assembling more firm.
Claims (4)
1. an automobile air flow meter, include the shell of tubular, air flow sensor, air inlet Turbogrid plates, metal filter screen and the Turbogrid plates of giving vent to anger, shell has air flow channel, air flow sensor is fixed on shell, air intake opening place at air flow channel is provided with bench port, air inlet Turbogrid plates and metal filter screen are assemblied in bench port, air inlet Turbogrid plates are fitted in metal filter screen top, the Turbogrid plates of giving vent to anger are arranged on the gas outlet place of air flow channel, it is characterized in that: the outer ring of described air inlet Turbogrid plates is provided with annular tensioner projection, the port at annular tensioner projection plug-in mounting top is the cone shape that end dwindles, the first-class fixing projection that is intervally distributed with some and annular tensioner projection limit card of bench port week sidewall, fix projection and be provided with the low scarf in end towards bench port outlet one end, fix the draw-in groove that supplies metal filter screen and annular tensioner projection to snap between the projection other end and bench port bottom, annular tensioner projection and draw-in groove interference fit, the outer ring of described air inlet Turbogrid plates extends axially towards cartridge insertion direction the prepackage bulge loop that external diameter is less than annular tensioner projection.
2. automobile air flow meter according to claim 1, it is characterized in that: described prepackage bulge loop comprises ring body, ring body outer wall is first-class is intervally distributed with some prepackage positioning convex, prepackage positioning convex shifts to install with fixing projection, the height of described prepackage positioning convex is less than described annular tensioner projection, described ring body external diameter is less than each fixing projection and forms the diameter of annular plug-in mounting entrance, respectively pre-installs positioning convex and forms the diameter that circular orientation outside diameter is greater than each fixing projection and forms annular plug-in mounting entrance.
3. automobile air flow meter according to claim 2, it is characterized in that: described bench port inwall is provided with the relative location convex tendon at least one pair of position, the periphery of described metal filter screen is provided with and the limited bayonet of locating convex tendon adaptation, and the outer ring of described air inlet Turbogrid plates is provided with longitudinal register groove.
4. according to automobile air flow meter described in claim 1 or 2 or 3, it is characterized in that: the outer wall of described shell is provided with web joint, on described web joint, be provided with two relative pilot holes, in described pilot hole, be provided with the locating sleeve that metal material is made, described locating sleeve and pilot hole interference fit, described locating sleeve is provided with mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420025006.XU CN203672437U (en) | 2014-01-15 | 2014-01-15 | Air flow meter of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420025006.XU CN203672437U (en) | 2014-01-15 | 2014-01-15 | Air flow meter of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203672437U true CN203672437U (en) | 2014-06-25 |
Family
ID=50968720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420025006.XU Expired - Fee Related CN203672437U (en) | 2014-01-15 | 2014-01-15 | Air flow meter of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203672437U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075768A (en) * | 2014-07-07 | 2014-10-01 | 广西玉柴机器股份有限公司 | Installation tube for air flow meter of engine |
| CN105091953A (en) * | 2015-08-27 | 2015-11-25 | 瑞安市宏创汽车配件有限公司 | Air flow sensor |
| CN108535407A (en) * | 2016-09-29 | 2018-09-14 | 罗斯蒙特公司 | Gas sensor module with live replaceable intrusion prevention sensor filter |
| CN108759964A (en) * | 2018-03-28 | 2018-11-06 | 温州鼎程电子科技有限公司 | Automobile air flow meter |
| CN109339987A (en) * | 2018-11-14 | 2019-02-15 | 爱回家(广东)科技有限公司 | Engine oxygenation carbon deposit cleaner |
| CN109839164A (en) * | 2019-04-08 | 2019-06-04 | 温州钱王汽配有限公司 | A kind of automobile air flow meter |
| CN110898495A (en) * | 2019-12-24 | 2020-03-24 | 冯佑建 | A filter equipment for municipal sewage treatment |
| CN111689594A (en) * | 2019-03-13 | 2020-09-22 | 佛山市顺德区美的饮水机制造有限公司 | Water purifier and air inlet filter device for water purifier |
-
2014
- 2014-01-15 CN CN201420025006.XU patent/CN203672437U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075768A (en) * | 2014-07-07 | 2014-10-01 | 广西玉柴机器股份有限公司 | Installation tube for air flow meter of engine |
| CN105091953A (en) * | 2015-08-27 | 2015-11-25 | 瑞安市宏创汽车配件有限公司 | Air flow sensor |
| CN105091953B (en) * | 2015-08-27 | 2018-08-21 | 瑞安市宏创汽车配件有限公司 | A kind of air flow sensor |
| CN108535407A (en) * | 2016-09-29 | 2018-09-14 | 罗斯蒙特公司 | Gas sensor module with live replaceable intrusion prevention sensor filter |
| CN108535407B (en) * | 2016-09-29 | 2021-08-03 | 罗斯蒙特公司 | Gas sensor module with field replaceable intrusion prevention sensor filter |
| CN108759964A (en) * | 2018-03-28 | 2018-11-06 | 温州鼎程电子科技有限公司 | Automobile air flow meter |
| CN108759964B (en) * | 2018-03-28 | 2024-02-27 | 温州鼎程电子科技有限公司 | Automobile air flowmeter |
| CN109339987A (en) * | 2018-11-14 | 2019-02-15 | 爱回家(广东)科技有限公司 | Engine oxygenation carbon deposit cleaner |
| CN111689594A (en) * | 2019-03-13 | 2020-09-22 | 佛山市顺德区美的饮水机制造有限公司 | Water purifier and air inlet filter device for water purifier |
| CN109839164A (en) * | 2019-04-08 | 2019-06-04 | 温州钱王汽配有限公司 | A kind of automobile air flow meter |
| CN110898495A (en) * | 2019-12-24 | 2020-03-24 | 冯佑建 | A filter equipment for municipal sewage treatment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20170115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |