CN109915283B - Parallel double-cavity carburetor flow test mounting seat - Google Patents

Parallel double-cavity carburetor flow test mounting seat Download PDF

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CN109915283B
CN109915283B CN201910228435.4A CN201910228435A CN109915283B CN 109915283 B CN109915283 B CN 109915283B CN 201910228435 A CN201910228435 A CN 201910228435A CN 109915283 B CN109915283 B CN 109915283B
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carburetor
cavity
support
bearing
parallel double
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CN109915283A (en
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杜礼超
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Lifan Technology Group Co Ltd
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Lifan Industry Group Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels

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Abstract

The invention discloses a flow test mounting seat of a parallel double-cavity carburetor, which comprises a support, wherein the support is provided with a conical hole penetrating left and right, the large diameter end of the conical hole is used for being in butt joint with a test port of a comprehensive flow test bed of the carburetor, the small diameter end of the conical hole is used for being in butt joint with an air outlet of the parallel double-cavity carburetor, support plates are fixedly arranged on two sides of the small diameter end of the conical hole, support parts for supporting an air outlet end cover of the parallel double-cavity carburetor are arranged on the support plates, the two support parts are symmetrical with respect to the vertical central section of the small diameter end of the conical hole, and the position relation of any one support part and the small diameter end of the conical hole corresponds to the position relation of two air outlets of the parallel double-cavity carburetor. By arranging the bearing plates on the two sides of the small diameter end of the conical hole and arranging the bearing parts for bearing the air outlet end covers of the parallel double-cavity carburettors on the bearing plates, the testing steps are greatly simplified, and the testing efficiency is improved.

Description

Parallel double-cavity carburetor flow test mounting seat
Technical Field
The invention belongs to the field of comprehensive flow testing of parallel double-cavity carburetors, and particularly relates to a flow testing installation seat of a parallel double-cavity carburettor.
Background
The carburetor is a mechanical device for mixing gasoline and air in a certain proportion under the vacuum effect generated by the operation of an engine, and can automatically proportion corresponding concentration according to different working state demands of the engine and output mixed gas in a corresponding quantity. To date, carburettors with various auxiliary devices have been formed, including single carburettors, double-cavity carburettors and multi-cavity carburettors, and in the double-cavity carburettors there is a parallel double-cavity carburettor, which is actually two single-cavity carburettors and is in parallel, each cavity is responsible for the gas mixture supply of half the number of gas cavities, and in the manufacturing process of the carburettors, the carburettors need to be subjected to comprehensive flow test to meet the comprehensive flow characteristics required by the use of the motorcycle.
Because the test port of the existing carburetor flow integrated flow test bed is generally connected with the air outlet of the carburetor through a mounting seat provided with a conical hole, only one air outlet can be tested at a time, and when the parallel double-cavity carburetor with double air outlets is tested, the parallel double-cavity carburetor is large compared with the common single-cavity carburetor in volume, when one air outlet of the parallel double-cavity carburetor is in butt joint with the test mounting seat, the other air outlet of the parallel double-cavity carburetor is suspended and easy to rotate, so that the traditional integrated flow test for the parallel double-cavity carburetor is to separate the parallel double-cavity carburetor into two independent single-cavity carburetors, and the two independent single-cavity carburetors are connected with the carburetor integrated flow test bed through the flow test mounting seat for detection, but the mode can cause frequent disassembly of the parallel double-cavity carburetor, so that the operation is complex and the test efficiency is low.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problems that: how to provide a parallel double-cavity carburetor flow test mounting seat, the trouble of disassembling the parallel double-cavity carburetor during testing can be avoided, the testing steps are simplified, and the testing efficiency is improved.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a parallel double-chamber carburetor flow test mount pad, includes the support, the support has the circular cone hole that runs through about, and the major diameter end of circular cone hole is used for interfacing with the test port of carburetor integrated flow test bed, and the minor diameter end of circular cone hole is used for interfacing with the gas outlet of parallel double-chamber carburetor the support board is all fixed to circular cone hole minor diameter end both sides have, have the supporting part that is used for supporting parallel double-chamber carburetor gas outlet end cover on the support board, two supporting parts are symmetrical about the vertical central cross-section of circular cone hole minor diameter end, and the positional relationship of arbitrary supporting part and circular cone hole minor diameter end all corresponds with the positional relationship of two gas outlets of parallel double-chamber carburetor.
Therefore, the bearing plates are arranged on two sides of the small diameter end of the conical hole and are provided with the bearing parts for bearing the air outlet end caps of the parallel double-cavity carburettors, so that during testing, the air outlet of the A cavity of the parallel double-cavity carburettors is butted with the small diameter end of the conical hole to perform comprehensive flow test, the air outlet end caps of the B cavity of the parallel double-cavity carburettors are supported by one bearing part to prevent rotation, after the A cavity test is completed, the air outlet of the B cavity is butted with the small diameter end of the conical hole to perform comprehensive flow test, the air outlet end caps of the A cavity of the parallel double-cavity carburettors are supported by the other bearing part to prevent rotation, and two air outlets of the parallel double-cavity carburettors can be freely switched and tested by arranging the two bearing parts symmetrically about the small diameter end of the conical hole without disassembling the two independent single-cavity carburettors to perform testing, so that testing steps are greatly simplified and testing efficiency is improved.
As optimization, a connecting plate is arranged between the two bearing plates to connect the two bearing plates through the connecting plate, and the three bearing plates are integrally formed into a supporting plate, and the connecting plate is fixedly arranged on the support and positioned at the lower side of the small-diameter end of the conical hole.
Thus, the two supporting plates are integrally formed into the supporting plate through the connecting plate, the whole supporting plate is convenient to manufacture, and the connection relation between the supporting plate and the support is simplified.
As optimization, the bearing part is provided with a first arc-shaped groove matched with the shape of the air outlet end cover of the parallel double-cavity carburetor, and the first arc-shaped groove is formed in the top of the bearing plate.
Thus, the bearing part is provided with the first arc-shaped groove matched with the shape of the air outlet end cover, and the parallel double-cavity carburetor is convenient to position.
As optimization, the support is located conical hole path end one side and is equipped with the boss, the round hole has been seted up to the boss level, the path end of conical hole is linked together with the round hole bottom and the axis coincidence of both, and the diameter of the path end of conical hole is less than the diameter of round hole, the first annular of the axis is shared with the round hole is seted up to round hole bottom inside wall, first annular inner callipers are equipped with first sealing washer, and the lateral surface and the first annular cell wall of first sealing washer paste mutually, and the medial surface of first sealing washer surpasss the round hole inside wall, the round hole is used for inserting the gas outlet end cover of side by side double-chamber carburetor and compresses tightly first sealing washer in order to seal the gas outlet end cover of side by side double-chamber carburetor through the gas outlet end cover.
Therefore, when the sealing is carried out, one of the air outlet end covers of the parallel double-cavity carburetor can be directly inserted into the round hole, the front end of the air outlet end cover is tightly pressed on the first sealing ring and presses the first sealing ring to be tightly attached to the first annular groove, the sealing of the air outlet end covers of the parallel double-cavity carburetor is realized, the large-diameter end of the conical hole on the support is aligned with the test port of the comprehensive flow test bed of the carburetor for testing, the operation is simple, the sealing effect is good, and the testing efficiency can be greatly improved.
As optimization, a second arc-shaped groove avoiding the boss is arranged in the center of the top of the connecting plate.
The second arc-shaped groove can avoid interference with the boss when the bracket is fixedly arranged on the support, and the parallel double-cavity carburetor can be positioned by using the second arc-shaped groove.
As optimization, all offer the first mounting hole that is used for installing the support to the carburetor integrated flow test bench on the four corners of encircling the boss on the support, be equipped with two second mounting holes on the connecting plate, two second mounting holes correspond respectively with two first mounting holes that are close to the boss downside on the support, and the extension board passes first mounting hole and second mounting hole's mode and support is fixed through the bolt fastener.
Therefore, through setting up the second mounting hole that corresponds with the first mounting hole that is close to boss downside, can be through the bolt fastener with the support fixed to the support on to link firmly with the carburetor integrated flow test bench simultaneously, simplified support and support fixed connection's structure.
As optimization, a second annular groove is formed in the support and located at the outer ring of the large-diameter end of the conical hole, and a second sealing ring is clamped in the second annular groove.
Therefore, the sealing performance between the mounting seat and the test port of the carburetor integrated flow rate test stand can be improved by arranging the second annular groove and the second sealing ring.
As an optimization, the bearing plate protrudes to one side of the parallel double-cavity carburetor by a certain distance compared with the connecting plate, so that the bearing part supports the root part of the air outlet end cover which is not in a test state in the parallel double-cavity carburetor.
Therefore, the bearing parts on two sides can ensure that the air outlet end covers of the parallel double-cavity carburettors are supported, and the stability of the whole device is improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of an embodiment of the present invention in combination with a side-by-side dual-chamber carburetor;
FIG. 3 is a schematic illustration of an embodiment of the present invention with a side-by-side dual chamber carburetor not installed;
fig. 4 is a cross-sectional view of a mount in an embodiment of the invention.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings.
The specific implementation method comprises the following steps: referring to fig. 1 to 4, a flow test mounting seat of a parallel dual-cavity carburetor comprises a support 1, wherein the support 1 is provided with a conical hole 2 penetrating left and right, a large diameter end of the conical hole 2 is used for being in butt joint with a test port of a comprehensive flow test table of the carburetor, a small diameter end of the conical hole 2 is used for being in butt joint with an air outlet of the parallel dual-cavity carburetor 3, bearing plates 14 are fixedly arranged on two sides of the small diameter end of the conical hole 2, bearing parts for bearing an air outlet end cover 4 of the parallel dual-cavity carburetor are arranged on the bearing plates 14, two bearing parts are symmetrical with respect to a vertical central section of the small diameter end of the conical hole 2, and the position relation of any bearing part and the small diameter end of the conical hole 2 corresponds to the position relation of two air outlets of the parallel dual-cavity carburetor.
Therefore, the bearing plates are arranged on two sides of the small diameter end of the conical hole and are provided with the bearing parts for bearing the air outlet end caps of the parallel double-cavity carburettors, so that during testing, the air outlet of the A cavity of the parallel double-cavity carburettors is butted with the small diameter end of the conical hole to perform comprehensive flow test, the air outlet end caps of the B cavity of the parallel double-cavity carburettors are supported by one bearing part to prevent rotation, after the A cavity test is completed, the air outlet of the B cavity is butted with the small diameter end of the conical hole to perform comprehensive flow test, the air outlet end caps of the A cavity of the parallel double-cavity carburettors are supported by the other bearing part to prevent rotation, and two air outlets of the parallel double-cavity carburettors can be freely switched and tested by arranging the two bearing parts symmetrically about the small diameter end of the conical hole without disassembling the two independent single-cavity carburettors to perform testing, so that testing steps are greatly simplified and testing efficiency is improved.
As optimization, a connecting plate 15 is arranged between the two bearing plates 14 to connect the two bearing plates 14 through the connecting plate 15, and the two bearing plates 14 and the connecting plate are integrally formed into the support plate 5, wherein the connecting plate 15 is fixedly arranged on the support 1 and is positioned at the lower side of the small diameter end of the conical hole 2.
Thus, the two supporting plates are integrally formed into the supporting plate through the connecting plate, the whole supporting plate is convenient to manufacture, and the connection relation between the supporting plate and the support is simplified.
As an optimization, the bearing part is provided with a first arc-shaped groove 6 matched with the shape of the air outlet end cover 4 of the parallel double-cavity carburetor 3, and the first arc-shaped groove 6 is arranged at the top of the bearing plate.
Thus, the bearing part is provided with the first arc-shaped groove matched with the shape of the air outlet end cover, and the parallel double-cavity carburetor is convenient to position.
As the optimization, support 1 is located circular cone hole 2 path end one side and is equipped with boss 7, round hole 8 has been seted up to boss 7 level, circular cone hole 2 path end is linked together with the round hole 8 bottom and the axis coincidence of both, and circular cone hole 2 path end's diameter is less than the diameter of round hole 8, the first annular with round hole 8 common axis is seted up to round hole 8 bottom inside wall, first annular inside callipers are equipped with first sealing washer 9, and the lateral surface and the first annular cell wall of first sealing washer 9 paste mutually, and the medial surface of first sealing washer 9 surpasss round hole 8 inside wall, round hole 8 are used for inserting the gas outlet end cover 4 of side by side double-chamber carburetor and compress tightly first sealing washer 9 with sealed gas outlet end cover 4 of side-by-side double-chamber carburetor through the gas outlet end cover.
Therefore, when the sealing is carried out, one of the air outlet end covers of the parallel double-cavity carburetor can be directly inserted into the round hole, the front end of the air outlet end cover is tightly pressed on the first sealing ring and presses the first sealing ring to be tightly attached to the first annular groove, the sealing of the air outlet end covers of the parallel double-cavity carburetor is realized, the large-diameter end of the conical hole on the support is aligned with the test port of the comprehensive flow test bed of the carburetor for testing, the operation is simple, the sealing effect is good, and the testing efficiency can be greatly improved.
As optimization, a second arc-shaped groove 10 avoiding the boss 7 is arranged in the center of the top of the connecting plate 15.
The second arc-shaped groove can avoid interference with the boss when the bracket is fixedly arranged on the support, and the parallel double-cavity carburetor can be positioned by using the second arc-shaped groove.
As optimization, the four corners of the support 1 surrounding the boss 7 are provided with first mounting holes 11 for mounting the support 1 on a carburetor comprehensive flow test bed, the connecting plate is provided with two second mounting holes 12, the two second mounting holes 12 respectively correspond to the two first mounting holes 11 on the support 1, which are close to the lower side of the boss 7, and the support plate 5 is fixed with the support 1 in a mode that bolt fasteners penetrate through the first mounting holes 11 and the second mounting holes 12.
Therefore, through setting up the second mounting hole that corresponds with the first mounting hole that is close to boss downside, can be through the bolt fastener with the support fixed to the support on to link firmly with the carburetor integrated flow test bench simultaneously, simplified support and support fixed connection's structure.
As optimization, a second annular groove is formed in the outer ring of the large-diameter end of the conical hole 2 on the support 1, and a second sealing ring 13 is clamped in the second annular groove.
Therefore, the sealing performance between the mounting seat and the test port of the carburetor integrated flow rate test stand can be improved by arranging the second annular groove and the second sealing ring.
Preferably, the bearing plate 14 protrudes a certain distance to the side of the parallel double-chamber carburetor 3 compared with the connecting plate 15, so that the bearing part supports the root part of the air outlet end cover which is not in a test state in the parallel double-chamber carburetor.
Therefore, the bearing parts on two sides can ensure that the air outlet end covers of the parallel double-cavity carburettors are supported, and the stability of the whole device is improved.
As optimization, the front end of the air outlet end cover 4 of the parallel double-cavity carburetor 3 is provided with a 45-degree chamfer.
Therefore, the front end of the air outlet end cover of the carburetor is designed to be a 45-degree chamfer, so that when the first sealing ring is extruded, the first sealing ring deforms in the first annular groove, the front chamfer of the air outlet end cover and the radial outer surface area of the front end, and the sealing effect is achieved. The cone angle of the conical hole is alpha, wherein alpha is more than or equal to 16 degrees and less than or equal to 22 degrees. Thus, the cone angle of the conical hole is within the angle range, so that the air flow is reduced in the conical hole during testing, the negative pressure at the throat of the carburetor is improved, the testing precision is improved, and the best effect is achieved when the alpha is 20 degrees.

Claims (6)

1. The utility model provides a two-chamber carburetor flow test mount pad side by side, includes the support, the support has the taper hole that runs through about, and the major diameter end of taper hole is used for interfacing with the test port of carburetor integrated flow test bed, and the minor diameter end of taper hole is used for interfacing with the gas outlet of two-chamber carburetor side by side, its characterized in that: bearing plates are fixedly arranged on two sides of the small diameter end of the conical hole, bearing parts used for bearing the air outlet end caps of the parallel double-cavity carburettors are arranged on the bearing plates, the two bearing parts are symmetrical with respect to the vertical central section of the small diameter end of the conical hole, and the position relationship between any bearing part and the small diameter end of the conical hole corresponds to the position relationship between the two air outlets of the parallel double-cavity carburettors;
a connecting plate is arranged between the two bearing plates to connect the two bearing plates through the connecting plate, and the two bearing plates and the connecting plate are integrally formed into a supporting plate, and the connecting plate is fixedly arranged on the support and is positioned at the lower side of the small-diameter end of the conical hole;
the support is provided with a second annular groove at the outer ring of the large-diameter end of the conical hole, and a second sealing ring is clamped in the second annular groove.
2. A parallel dual-cavity carburetor flow test mount according to claim 1, wherein: the bearing part is provided with a first arc-shaped groove matched with the shape of the air outlet end cover of the parallel double-cavity carburetor, and the first arc-shaped groove is formed in the top of the bearing plate.
3. A parallel dual-cavity carburetor flow test mount according to claim 1, wherein: the support is located circular cone hole path end one side and is equipped with the boss, the round hole has been seted up to the boss level, the path end of circular cone hole is linked together with the round hole bottom and the axis coincidence of both, and the diameter of the path end of circular cone hole is less than the diameter of round hole, the first annular of the axis is shared with the round hole is seted up to round hole bottom inside wall, first annular inner callipers is equipped with first sealing washer, and the lateral surface and the first annular cell wall of first sealing washer paste mutually, and the medial surface of first sealing washer surpasss the round hole inside wall, the round hole is used for inserting the gas outlet end cover of side by side double-chamber carburetor and compresses tightly first sealing washer in order to seal the gas outlet end cover of side by side double-chamber carburetor through the gas outlet end cover.
4. A parallel dual-chamber carburetor flow test mount according to claim 3, wherein: the center of the top of the connecting plate is provided with a second arc-shaped groove avoiding the boss.
5. A parallel dual-chamber carburetor flow test mount according to claim 4, wherein: the four corners of the support, which encircle the boss, are respectively provided with first mounting holes for mounting the support on the carburetor comprehensive flow test bed, the connecting plate is provided with two second mounting holes, the two second mounting holes correspond to the two first mounting holes on the support, which are close to the lower side of the boss, respectively, and the support plate is fixed with the support in a way that the support passes through the first mounting holes and the second mounting holes through bolt fasteners.
6. A parallel dual-cavity carburetor flow test mount according to claim 1, wherein: the bearing plate is protruded to one side of the parallel double-cavity carburetor by a certain distance compared with the connecting plate, so that the bearing part supports the root part of the air outlet end cover which is not in a test state in the parallel double-cavity carburetor.
CN201910228435.4A 2019-03-25 2019-03-25 Parallel double-cavity carburetor flow test mounting seat Active CN109915283B (en)

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111677601B (en) * 2020-06-23 2022-04-22 湛江德利车辆部件有限公司 Double-cavity carburetor adjusting device, double-cavity carburetor adjusting equipment and adjusting method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3741009A (en) * 1971-07-01 1973-06-26 Acf Ind Carburetor flow stand
US4030351A (en) * 1975-11-17 1977-06-21 Scans Associates, Inc. Method and apparatus for laboratory testing of carburetors
US4041777A (en) * 1973-03-08 1977-08-16 Karl Weiss - Giessen, Fabrik Elektrophysikalischer Geraete, Werk Lindenstruth Method and apparatus for testing carburetors
JPH1062148A (en) * 1996-08-23 1998-03-06 Honda Motor Co Ltd Inspection device for blowhole
CN207686866U (en) * 2018-01-08 2018-08-03 昆山速捷金属制品有限公司 A kind of motorcycle carburetor transfer panel
CN210033664U (en) * 2019-03-25 2020-02-07 力帆实业(集团)股份有限公司 Parallel double-cavity carburetor flow test mounting seat

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3741009A (en) * 1971-07-01 1973-06-26 Acf Ind Carburetor flow stand
US4041777A (en) * 1973-03-08 1977-08-16 Karl Weiss - Giessen, Fabrik Elektrophysikalischer Geraete, Werk Lindenstruth Method and apparatus for testing carburetors
US4030351A (en) * 1975-11-17 1977-06-21 Scans Associates, Inc. Method and apparatus for laboratory testing of carburetors
JPH1062148A (en) * 1996-08-23 1998-03-06 Honda Motor Co Ltd Inspection device for blowhole
CN207686866U (en) * 2018-01-08 2018-08-03 昆山速捷金属制品有限公司 A kind of motorcycle carburetor transfer panel
CN210033664U (en) * 2019-03-25 2020-02-07 力帆实业(集团)股份有限公司 Parallel double-cavity carburetor flow test mounting seat

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