CN219795405U

CN219795405U - Dustproof structure of carburetor

Info

Publication number: CN219795405U
Application number: CN202320969737.9U
Authority: CN
Inventors: 黄旭瑞; 黄艳艳; 苑红明; 陈新勇
Original assignee: Zhejiang Yuandian Precision Technology Co ltd
Current assignee: Zhejiang Yuandian Precision Technology Co ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-10-03
Anticipated expiration: 2033-04-26

Abstract

The utility model discloses a dustproof structure of a carburetor, which relates to the technical field of carburetors and solves the problem that the carburetor used at present cannot carry out double dustproof treatment from a joint position of a body and a dust attaching area. Through setting up one-level dustproof subassembly, play sealed dustproof effect between jet orifice and the external pipeline of engine by dustproof sealing washer, play sealed dustproof effect to last body, jet orifice, plunger valve, well body and lower body joint position again, through setting up second grade dustproof subassembly, play dustproof and dust removal effect to the dust easy attachment region that goes up the body and is close to the jet orifice, realize the carburetor and follow body joint position and easy attachment dust region carry out dual dustproof effect.

Description

Dustproof structure of carburetor

Technical Field

The utility model relates to the technical field of carburetors, in particular to a dustproof structure of a carburetor.

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, the carburetor is used as a precise mechanical device, the atomization of the gasoline is realized by utilizing the kinetic energy of sucked air flow, the important effect of the carburetor on the engine can be called as the heart of the engine, the complete device of the carburetor comprises a starting device, an idling device, a medium load device, a full load device and an accelerating device, the carburetor can automatically mix corresponding concentration according to the different working state requirements of the engine, and the mixed gas with corresponding quantity is output.

When the carburetor mixes gasoline and air, external dust passes through the automobile air inlet grille and the engine cabin and is attached to the surface of the carburetor, the currently used carburetor cannot carry out double dust prevention treatment from the joint position of the body and the dust-attaching area, and dust invades into the carburetor for a long time to influence the operation performance of the carburetor and improve the failure rate of the carburetor, so that the dust prevention structure of the carburetor is provided.

Disclosure of Invention

The utility model aims to provide a dustproof structure of a carburetor, which solves the problem that the currently used carburetor proposed in the background art cannot perform double dustproof treatment from a joint position of a body and a dust-attached area.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a carburetor dustproof construction, includes the body, the jet orifice has all been seted up to the front and back both sides of going up the body, go up the plunger valve that the body's top was used with the jet orifice cooperation through short bolt fixedly connected with, go up the body and keep away from one side fixedly connected with of plunger valve in the body, the body is kept away from one side fixedly connected with down the body of going up the body, one side fixedly connected with manual pump of body in the body is kept away from down, go up body, well body, lower body and manual pump all around through long bolt fastening, it is provided with one-level dustproof subassembly to go up body, jet orifice, plunger valve, well body and one side that the body is in opposite directions down, one side that the body is close to the jet orifice is provided with second grade dustproof subassembly to go up the body.

Preferably, the first-level dustproof assembly comprises a dustproof sealing ring, the dustproof sealing ring is clamped on one side, close to the jet orifice, of the upper body, a dustproof ring is sleeved on one side, close to the upper body, of the plunger valve, an upper sealing gasket and an upper dustproof gasket are respectively arranged on one opposite sides of the upper body and the middle body from top to bottom in a cushioning mode, and a lower sealing gasket and a lower dustproof gasket are respectively arranged on one opposite sides of the middle body and the lower body from top to bottom in a cushioning mode.

Preferably, the second grade dustproof subassembly includes the dust cover, two sets of the dust cover is established in the one side that the last body is close to the jet orifice, the long screw rod that uses with the dust cover cooperation and the opposite side threaded connection of long screw rod have the nut all to insert in the both sides of going up the body, the inboard cover that the long screw rod is close to the dust cover is equipped with the dust cap that uses with last body cooperation, two sets of the bottom integrated into one piece in dust cover inner chamber has fan box and fan box's inner chamber fixedly connected with dust removal fan, two sets of fan box's outside fixedly connected with and dust removal fan cooperation use's dust screen.

Preferably, the thickness of the upper sealing gasket and the lower sealing gasket is greater than the thickness of the upper dustproof gasket and the lower dustproof gasket.

Preferably, two groups of two sides of the bottom of the inner cavity of the dust cover are integrally formed with a butt joint clamping head which is clamped with the upper body.

Preferably, one side of the two groups of dust covers, which is close to the jet orifice, is fixedly connected with an elastic sealing ring matched with the external pipeline in an annular mode.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, a first-stage dustproof assembly is arranged, a dustproof sealing ring plays a role in sealing and dustproof between an injection port and an engine external pipeline, and then the dustproof ring, an upper sealing gasket, an upper dustproof gasket, a lower sealing gasket and the lower dustproof gasket are matched, so that the sealing and dustproof functions of the joint positions of an upper body, the injection port, a plunger valve, a middle body and a lower body are realized, the dustproof function of the joint positions of the carburetor bodies is realized, and the dustproof function of the joint positions of the carburetor bodies is realized.

2. Through butt joint dop, be convenient for the workman to two sets of dust covers and go up the body between dock chucking, do benefit to the quick installation work of two sets of dust covers, through the elasticity sealing washer, closely laminate the connection region of jet orifice and engine external pipeline to prevent that the dust from passing the dust cover and reaching the jet orifice region of last body.

Drawings

FIG. 1 is a schematic view of a dust-proof structure of a carburetor according to the present utility model;

FIG. 2 is an exploded view of a dust-proof structure of a carburetor according to the present utility model;

FIG. 3 is a front exploded view of the structure of the upper body and the secondary dust assembly of the present utility model;

fig. 4 is a bottom exploded view of the structure of the upper body and the secondary dust-proof assembly according to the present utility model.

In the figure: 1. an upper body; 2. an ejection port; 3. a plunger valve; 4. a middle body; 5. a lower body; 6. a manual pump; 7. a first-stage dust-proof assembly; 71. a dust-proof sealing ring; 72. a dust ring; 73. an upper sealing gasket; 74. a dustproof gasket is arranged on the upper part; 75. a lower sealing gasket; 76. a lower dust-proof gasket; 8. a secondary dust-proof assembly; 81. a dust cover; 82. a long screw; 83. a screw cap; 84. a dust cap; 85. a fan box; 86. a dust removing fan; 87. a dust screen; 9. a butt joint clamping head; 10. and (5) an elastic sealing ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4 for illustrating an embodiment 1, a carburetor dustproof structure in the drawings comprises an upper body 1, injection ports 2 are respectively provided on the front and rear sides of the upper body 1, a plunger valve 3 matched with the injection ports 2 is fixedly connected to the top of the upper body 1 through a short bolt, a middle body 4 is fixedly connected to one side of the upper body 1 far away from the plunger valve 3, a lower body 5 is fixedly connected to one side of the middle body 4 far away from the upper body 1, a manual pump 6 is fixedly connected to one side of the lower body 5 far away from the middle body 4, the peripheries of the upper body 1, the middle body 4, the lower body 5 and the manual pump 6 are all fixed through long bolts, a first-stage dustproof assembly 7 is arranged on one side of the upper body 1, the injection ports 2, the plunger valve 3, the middle body 4 and the lower body 5, and by arranging the first-stage dustproof assembly 7, the dustproof assembly 71 plays a sealing dustproof role on the injection ports 2 and the external pipelines of the engine, the cooperation of the dustproof ring 72, the upper sealing gasket 73, the upper dustproof gasket 74, the lower sealing gasket 75 and the lower dustproof gasket 76 plays a role in sealing and dustproof the joint positions of the upper body 1, the jet orifice 2, the plunger valve 3, the middle body 4 and the lower body 5, realizes the dustproof function of the joint positions of the carburetor bodies, one side of the upper body 1 close to the jet orifice 2 is provided with a secondary dustproof assembly 8, and the cooperation of the dustproof cover 81, the long screw 82, the screw cap 83, the dustproof cap 84, the fan box 85, the dustproof fan 86 and the dustproof screen 87 plays a role in dustproof and dedusting the dust easily attached area of the upper body 1 close to the jet orifice 2, realizes the effect of double dustproof treatment of the carburetor from the joint positions of the bodies and the dust easily attached area, prevents dust from invading the carburetor, improves the operation performance of the carburetor, the failure rate of the carburetor is reduced.

Example 2

Referring to fig. 1-4 for illustrating example 2, the present embodiment is different from example 1 in that a carburetor dustproof structure includes an upper body 1, injection ports 2 are formed on both front and rear sides of the upper body 1, a plunger valve 3 matched with the injection ports 2 is fixedly connected to the top of the upper body 1 through a short bolt, a middle body 4 is fixedly connected to one side of the upper body 1 away from the plunger valve 3, a lower body 5 is fixedly connected to one side of the middle body 4 away from the upper body 1, a manual pump 6 is fixedly connected to one side of the lower body 5 away from the middle body 4, four sides of the upper body 1, the middle body 4, the lower body 5 and the manual pump 6 are all fixed through long bolts, a first-stage dustproof assembly 7 is disposed on one side of the upper body 1, the injection ports 2, the plunger valve 3, the middle body 4 and the lower body 5, the first-stage dustproof assembly 7 includes a dustproof seal ring 71, the dustproof sealing ring 71 is clamped on one side of the upper body 1, which is close to the injection port 2, a dustproof ring 72 is sleeved on one side of the plunger valve 3, which is close to the upper body 1, an upper sealing gasket 73 and an upper dustproof gasket 74 are respectively arranged on one side, which is opposite to the upper body 1 and the middle body 4, from top to bottom, a lower sealing gasket 75 and a lower dustproof gasket 76 are respectively arranged on one side, which is opposite to the middle body 4 and the lower body 5, from top to bottom, a thickness of the upper sealing gasket 73 and the lower sealing gasket 75 is larger than a thickness of the upper dustproof gasket 74 and a thickness of the lower dustproof gasket 76, so that workers can conveniently distinguish the materials, and meanwhile, the material cost is saved, a dustproof effect is achieved by arranging the first-stage dustproof assembly 7, and then the dustproof ring 72, the upper sealing gasket 73, the upper dustproof gasket 74, the lower sealing gasket 75 and the lower dustproof gasket 76 are matched with the upper body 1, the injection port 2, the joint positions of the plunger valve 3, the middle body 4 and the lower body 5 play a role in sealing and dust prevention, the dustproof function of the joint position of the carburetor body is realized, one side of the upper body 1 close to the injection port 2 is provided with a secondary dustproof component 8, the secondary dustproof component 8 comprises a dust cover 81, two groups of dust covers 81 are covered on one side of the upper body 1 close to the injection port 2, two sides of the bottoms of the inner cavities of the two groups of dust covers 81 are integrally formed with a butt joint clamping head 9 which is clamped with the upper body 1, so that workers can conveniently carry out butt joint clamping between the two groups of dust covers 81 and the upper body 1, the quick installation work of the two groups of dust covers 81 is facilitated, the annular fixedly connected with an elastic sealing ring 10 matched with an external pipeline is arranged on one side of the two groups of dust covers 81 close to the injection port 2, the connecting area of the external pipeline of the engine is tightly jointed with the injection port 2 so as to prevent dust from passing through the dust covers 81 to reach the injection port 2 area of the upper body 1, the two sides of the upper body 1 are inserted with a long screw 82 matched with the dust cover 81, the other side of the long screw 82 is connected with a screw cap 83 in a threaded manner, the inner side of the long screw 82 close to the dust cover 81 is sleeved with a dust cap 84 matched with the upper body 1, the bottoms of the inner cavities of the two groups of dust covers 81 are integrally provided with a fan box 85, the inner cavities of the fan box 85 are fixedly connected with a dust removing fan 86, the outer sides of the two groups of fan boxes 85 are fixedly connected with a dust screen 87 matched with the dust removing fan 86, by arranging a secondary dust-proof assembly 8, the dust cover 81, the long screw 82, the screw cap 83, the dust cap 84, the fan box 85, the dust removing fan 86 and the dust screen 87 are matched with each other to play a dust-proof and dust-removing role in the dust-easy-attaching area of the upper body 1 close to the injection port 2, the effect of double dust-proof treatment of the carburetor from the joint position of the body and the easy-attaching dust area is realized, so as to prevent dust from invading into the carburetor, improve the running performance of the carburetor and reduce the failure rate of the carburetor.

In the utility model, when the upper body 1 and the plunger valve 3 are installed, a worker firstly sleeves a dust ring 72 at one end of the plunger valve 3 close to the upper body 1, the joint positions of the plunger valve 3 and the upper body 1 are subjected to dust prevention treatment, when the upper body 1 and the middle body 4 are installed, an upper sealing gasket 73 and an upper dust gasket 74 are sequentially arranged at the joint positions of the upper body 1 and the middle body 4 in a cushioning manner, then the joint positions of the upper body 1 and the middle body 4 are subjected to sealing dust prevention treatment, when the middle body 4 and the lower body 5 are installed, a lower sealing gasket 75 and a lower dust gasket 76 are sequentially arranged at the joint positions of the middle body 4 and the lower body 5, then the joint positions of the middle body 4 and the lower body 5 are subjected to sealing dust prevention treatment, and when the worker connects an engine external pipeline with an injection port 2, the engine external pipeline sequentially passes through an elastic sealing ring 10 and a dust sealing ring 71 reserved on the dust cap 81, and then is connected with the injection port 2 to be installed, and the elastic sealing ring 10 and the dust sealing ring 71 perform double sealing treatment on the joint positions of the engine external pipeline and the injection port 2, thus the dust prevention treatment of all parts of the carburetor can be connected;

because the jet orifice 2 of the upper body 1 is a dust easy attachment area, the butt joint clamping heads 9 on the two groups of dust covers 81 are correspondingly clamped into the reserved clamping grooves of the upper body 1, the two groups of dust covers 81 and the upper body 1 can be clamped in advance, the two long screw rods 82 sequentially penetrate through the two groups of dust covers 81, the two groups of dust caps 84 and the two groups of reserved holes of the upper body 1, the two groups of nuts 83 are screwed onto the screw teeth of the two groups of long screw rods 82, the two groups of dust covers 81 and the upper body 1 can be fastened and installed, the two groups of dust covers 81 cover the dust easy attachment area of the upper body 1, which is close to the jet orifice 2, the two groups of dust caps 84 carry out dust prevention treatment on the connection positions of the two groups of long screw rods 82 and the two groups of dust covers 81, finally the dust in the two groups of dust covers 81 and the dust easy attachment area are discharged to the outer side by the dust fans 86 in the two groups of fan boxes 85, and the dust in the two groups of dust easily attached areas is blocked and filtered by the two groups of dust nets 87, and the dust in the dust easy attachment area is completely attached to the dust carburetor.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a carburetor dustproof construction, includes last body (1), its characterized in that: jet orifice (2) have all been seted up to the front and back both sides of last body (1), plunger valve (3) that the top of going up body (1) used through short bolt fixedly connected with and jet orifice (2) cooperation, one side fixedly connected with well body (4) of plunger valve (3) are kept away from to last body (1), one side fixedly connected with lower body (5) of going up body (4) are kept away from to well body (4), one side fixedly connected with manual pump (6) of keeping away from well body (4) down body (5), all pass through the long bolt fastening around going up body (1), well body (4), lower body (5) and manual pump (6), one side that goes up body (1), jet orifice (2), well body (4) and lower body (5) are provided with one-level dustproof subassembly (7) in the opposite side, one side that goes up body (1) and is close to jet orifice (2) is provided with second grade dustproof subassembly (8).

2. The carburetor dustproof structure according to claim 1, wherein the first-stage dustproof assembly (7) comprises a dustproof sealing ring (71), the dustproof sealing ring (71) is clamped on one side, close to the injection port (2), of the upper body (1), a dustproof ring (72) is sleeved on one side, close to the upper body (1), of the plunger valve (3), an upper sealing gasket (73) and an upper dustproof gasket (74) are respectively arranged on one sides, opposite to the upper body (1) and the middle body (4), of the lower body (5) in a cushioning mode from top to bottom, and a lower sealing gasket (75) and a lower dustproof gasket (76) are respectively arranged on one sides, opposite to the middle body (4) and the lower body (5), of the upper body and the lower body.

3. The carburetor dustproof structure according to claim 1, wherein the secondary dustproof assembly (8) comprises a dustproof cover (81), two groups of dustproof covers (81) are covered on one side, close to the injection port (2), of the upper body (1), a long screw (82) matched with the dustproof cover (81) is inserted on two sides of the upper body (1), a nut (83) is connected with the other side of the long screw (82) in a threaded manner, a dustproof cap (84) matched with the upper body (1) is sleeved on the inner side, close to the dustproof cover (81), of the long screw (82), a fan box (85) is integrally formed at the bottom of an inner cavity of the dustproof cover (81), a dust removing fan (86) is fixedly connected with the inner cavity of the fan box (85), and a dust preventing net (87) matched with the dust removing fan (86) is fixedly connected on the outer side of the fan box (85).

4. A carburetor dust-proof structure according to claim 2, characterized in that the thickness of said upper and lower seal gaskets (73, 75) is greater than the thickness of said upper and lower dust-proof gaskets (74, 76).

5. A carburetor dustproof structure according to claim 3, characterized in that two sides of the bottom of the inner cavity of the two groups of dustproof covers (81) are integrally formed with a butt joint clamping head (9) clamped with the upper body (1).

6. A carburetor dust-proof structure according to claim 3, characterized in that the two groups of said dust-proof covers (81) are fixedly connected with elastic sealing rings (10) which are matched with the external connecting pipe in a ring shape on the side close to the injection port (2).