Carburetor with adjustable fuel oil plane height
The carburetor, with its adjustable fuel level and detachable float design, solves the problem of adjusting the air-fuel mixture concentration under different operating conditions, simplifies the maintenance process, improves engine performance and maintenance efficiency, and reduces economic costs.
Patent Information
- Application Number
- CN202520336239.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Existing carburetors have a fixed fuel level, which cannot be adjusted according to actual usage conditions. They cannot adapt to the diverse requirements of air-fuel mixture concentration under different operating conditions and environments. Furthermore, the float and rotating shaft are integrated into one design, resulting in high maintenance difficulty, high cost, and cumbersome maintenance process, which limits the versatility and applicability of carburetors.
An adjustable fuel level carburetor was designed, with the float and rotating shaft detachably connected. The fuel level is adjusted through left and right connecting components, and multiple disassembly structures are provided to facilitate the replacement of damaged parts and simplify the maintenance process.
It enables the adjustment of air-fuel mixture concentration according to operating conditions and environment, thereby improving combustion efficiency, reducing engine carbon deposits, reducing pollution, lowering maintenance difficulty and cost, enhancing the versatility and applicability of carburetors, and meeting diverse maintenance needs.
Smart Images

Figure CN223676392U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to carburetor relevant technical field especially relates to a fuel plane height adjustable carburetor. BACKGROUND
[0002] Carburetor is a device that mixes gasoline and air into a suitable proportion of combustible mixture and provides it to the engine when the engine is working, during the working process of the carburetor, the fuel plane height has an important influence on the concentration of the mixture, if the fuel plane height is too high, it will lead to the mixture being too thick, increasing the engine oil consumption, reducing the power and exceeding the emission standard, and if the fuel plane height is too low, it will make the mixture too thin, causing the engine to start difficultly, unstable operation and even flameout, in today's internal combustion engine field, as the key component of the fuel supply system, the carburetor plays an important role in the performance of the engine, the core function of the carburetor is to accurately adjust the mixing ratio of fuel and air according to different working conditions of the engine, to form a suitable combustible mixture, and to provide protection for the efficient and stable operation of the engine, among the many working parameters of the carburetor, the accurate control of the fuel plane height is crucial, therefore, a carburetor with adjustable fuel plane height is particularly needed.
[0003] But the fuel plane height of the existing carburetor is fixed at the time of factory shipment, it cannot be adjusted according to the actual use, it is difficult to adapt to the requirements of different working conditions and environment for the mixture concentration, it cannot adapt to the diversified needs of the engine for the mixture concentration under different working conditions, and most of the floaters and rotating shafts are designed in one piece, the internal parts are damaged, the whole part needs to be replaced, the device needs to be disassembled and debugged, the maintenance difficulty is big and the cost is high, which increases the economic cost, at the same time, no multiple disassembly structure is designed, the diversity of the device is low, it cannot be convenient for the user to reasonably select or use different replacement methods, which increases the maintenance difficulty, causes the maintenance process to be complicated and time-consuming, greatly reduces the maintenance efficiency, limits the universality and applicability in the maintenance market, and cannot meet the diversified maintenance needs. SUMMARY
[0004] The utility model discloses a fuel plane height adjustable carburetor to solve the fuel plane height of the existing carburetor in the above background art has been fixed at the time of factory, can not be adjusted according to actual use, is difficult to adapt to the requirement of mixed gas concentration under different working conditions and environment, can not adapt to the diversification demand of mixed gas concentration of engine under different working conditions, and most float and rotating shaft are integrated design, internal parts are damaged, need to replace the whole part, carry out complex disassembly and debugging, and the maintenance difficulty is big and the cost is high, increase economic cost, at the same time, the device's diversity is low, can not be convenient for user to select or use different replacement mode, increase the maintenance difficulty, lead to the maintenance process is complicated and time -consuming, greatly reduce the maintenance efficiency, limit the versatility and applicability in the maintenance market, can not satisfy the diversified maintenance demand problem.
[0005] To realize above-mentioned purpose, the utility model provides following technical scheme: a kind of fuel plane height adjustable carburetor, including oil storage, the outside of the oil storage is equipped with air inlet, the top of the oil storage is fixedly installed with cold start enrichment solenoid valve, the outside of the oil storage is equipped with oil inlet, the top of the oil storage is provided with oil cover, the inside of the oil storage is provided with left float, the inside of the oil storage is provided with right float, the left float is fixedly connected with rotating shaft by left connecting component, the right float is fixedly connected with rotating shaft by right connecting component, the outside of the rotating shaft is provided with float needle.
[0006] Preferably, the size structure of the left float and the right float is the same, the left float and the right float are symmetrically distributed about the vertical center line of the rotating shaft, and the float needle is not in contact with the left float and the right float.
[0007] Preferably, the left connecting component includes a left connecting plate one, a through hole one, a clamping block, a rotating groove one, a bolt, a rotating column, a left connecting plate two, a through hole two, a clamping groove and a rotating groove two, the outside of the left float is fixedly installed with the left connecting plate one, the outside of the left connecting plate one is equipped with the through hole one, the outside of the left connecting plate one is fixedly installed with the clamping block, the outside of the left connecting plate one is equipped with the rotating groove one, the outside of the left connecting plate one is provided with the bolt, the outside of the bolt is fixedly installed with the rotating column, the outside of the rotating shaft is fixedly installed with the left connecting plate two, the outside of the left connecting plate two is equipped with the through hole two, the outside of the left connecting plate two is equipped with the clamping groove, the outside of the left connecting plate two is equipped with the rotating groove two, the size of the left connecting plate one and the left connecting plate two is consistent, and the length of the combination of the through hole one and the through hole two and the rotating column is consistent.
[0008] Preferably, the clamping block is matched with the clamping groove, the size of the rotating groove one and the rotating groove two is the same, and the combination of the rotating groove one and the rotating groove two is matched with the rotating column.
[0009] Preferably, the right connecting assembly comprises right connecting plate one, protruding piece one, support block one, fixed column one, right connecting plate two, protruding piece two, support block two, fixed column two, connecting block, mounting slot and clamping slot, the outer side of the right float is fixedly installed with right connecting plate one, the outer side of right connecting plate one is fixedly installed with protruding piece one, the bottom of right connecting plate one is fixedly installed with support block one, the top of support block one is fixedly installed with fixed column one, the outer side of the rotating shaft is fixedly installed with right connecting plate two, the outer side of right connecting plate two is fixedly installed with protruding piece two, the bottom of right connecting plate two is fixedly installed with support block two, the top of support block two is fixedly installed with fixed column two, the top of right connecting plate one is provided with connecting block, the inner side of connecting block is provided with mounting slot, the bottom of connecting block is provided with clamping slot, the sizes of protruding piece one, support block one and fixed column one and protruding piece two, support block two and fixed column two are all same.
[0010] Preferably, the clamping slot is matched with support block one and support block two, the clamping slot is provided with same four groups, and the four groups of clamping slots are diagonally distributed about the vertical center line of connecting block.
[0011] Preferably, the horizontal section of the combination of protruding piece one and protruding piece two is in "ladder shape" structure, and the combination of protruding piece one and protruding piece two is matched with mounting slot.
[0012] Compared with the prior art, the fuel plane height adjustable carburetor has the advantages that the fuel plane height can be adjusted according to actual use, the requirements of different working conditions and environments on the mixture concentration can be met, the diversified needs of the engine under different working conditions on the mixture concentration are met, the fuel and air are fully mixed and well atomized, more uniform mixture is formed, the combustion efficiency is improved, the unburned fuel emission is reduced, the pollution to the environment is reduced, the engine carbon deposition is reduced, the overall performance of the engine is improved, the float and the rotating shaft are designed to be detachable, if the internal parts are damaged, only the damaged parts need to be replaced, simple disassembly and debugging are needed, the maintenance difficulty is reduced, the cost is reduced, the economic cost is reduced, the application range of the carburetor is expanded, the cost of developing various special carburetors for the carburetor production enterprises is reduced, various disassembly structures are designed, the diversity of the device is high, the user can reasonably select or use different replacement modes, the maintenance difficulty is reduced, the problem that the maintenance process is complicated and time-consuming is solved, the maintenance efficiency is greatly improved, the universality and applicability in the maintenance market are improved, and the diversified maintenance needs are met. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0014] Figure 2 It is the three-dimensional split structure schematic view of the utility model;
[0015] Figure 3 It is the float structure schematic view of the utility model;
[0016] Figure 4 It is the left connecting assembly split structure schematic view of the utility model Figure 1 ;
[0017] Figure 5 It is the left connecting assembly split structure schematic view of the utility model Figure 2 ;
[0018] Figure 6 It is the right connecting assembly split structure schematic view of the utility model Figure 1 ;
[0019] Figure 7 It is the right connecting assembly split structure schematic view of the utility model Figure 2 .
[0020] In the drawing: 1, oil storage warehouse;2, air inlet;3, cold start enrichment solenoid valve;4, oil inlet;5, oil cover;6, left float;7, right float;8, rotating shaft;9, float needle;10, left connecting assembly;1001, left connecting plate one;1002, through hole one;1003, clamping block;1004, rotating groove one;1005, bolt;1006, rotating column;1007, left connecting plate two;1008, through hole two;1009, clamping groove;1010, rotating groove two;11, right connecting assembly;1101, right connecting plate one;1102, protruding piece one;1103, support block one;1104, fixed column one;1105, right connecting plate two;1106, protruding piece two;1107, support block two;1108, fixed column two;1109, connecting block;1110, mounting groove;1111, clamping groove. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Please refer to Figures 1-7The utility model provides a technical scheme: a carburetor of fuel plane height adjustable, including oil storage 1, the outside of oil storage 1 is equipped with air inlet 2, the top fixed mounting of oil storage 1 has cold start enrichment solenoid valve 3, the outside of oil storage 1 is equipped with oil inlet 4, and the top of oil storage 1 is provided with oil cover 5, the inside of oil storage 1 is provided with left floater 6, the inside of oil storage 1 is provided with right floater 7, left floater 6 is fixedly connected with rotating shaft 8 through left connecting component 10, right floater 7 is fixedly connected with rotating shaft 8 through right connecting component 11, and the outside of rotating shaft 8 is provided with float needle 9.
[0023] Further, the size structure of the left floater 6 and the right floater 7 is the same, the left floater 6 and the right floater 7 are symmetrically distributed about the vertical center line of the rotating shaft 8, the float needle 9 is not in contact with the left floater 6 and the right floater 7, by setting the size structure of the left floater 6 and the right floater 7 is the same, it is guaranteed that the fuel plane height can be adjusted, and the fuel plane height can be adjusted according to actual use, so that the requirement of mixed gas concentration under different working conditions and environment can be met.
[0024] Further, the left connecting component 10 includes a left connecting plate one 1001, a through hole one 1002, a clamping block 1003, a rotating groove one 1004, a bolt 1005, a rotating column 1006, a left connecting plate two 1007, a through hole two 1008, a clamping groove 1009 and a rotating groove two 1010, the outside of the left floater 6 is fixedly installed with the left connecting plate one 1001, the outside of the left connecting plate one 1001 is equipped with the through hole one 1002, the outside of the left connecting plate one 1001 is fixedly installed with the clamping block 1003, the outside of the left connecting plate one 1001 is equipped with the rotating groove one 1004, the outside of the left connecting plate one 1001 is provided with the bolt 1005, the outside of the bolt 1005 is fixedly installed with the rotating column 1006, the outside of the rotating shaft 8 is fixedly installed with the left connecting plate two 1007, the outside of the left connecting plate two 1007 is equipped with the through hole two 1008, the outside of the left connecting plate two 1007 is equipped with the clamping groove 1009, and the outside of the left connecting plate two 1007 is equipped with the rotating groove two 1010, the size of the left connecting plate one 1001 and the left connecting plate two 1007 is consistent, the length of the combination of the through hole one 1002 and the through hole two 1008 and the rotating column 1006 is consistent, by setting the left connecting component 10, the left floater 6 and the rotating shaft 8 are detachable design, if internal parts are damaged, only the damaged parts need to be replaced, simple disassembly and debugging are carried out, the maintenance difficulty is reduced, and the cost is reduced, and the economic cost is reduced.
[0025] Further, the clamping block 1003 is matched with the clamping groove 1009, the size of the rotating groove one 1004 and the rotating groove two 1010 is same, and the combination of the rotating groove one 1004 and the rotating groove two 1010 is matched with the rotating column 1006, by setting the clamping block 1003 and the clamping groove 1009, the whole is more stable.
[0026] Further, the right connecting assembly 11 comprises a right connecting plate one 1101, a protruding piece one 1102, a supporting block one 1103, a fixed column one 1104, a right connecting plate two 1105, a protruding piece two 1106, a supporting block two 1107, a fixed column two 1108, a connecting block 1109, a mounting groove 1110 and a clamping groove 1111, the outer side of the right float 7 is fixedly installed with the right connecting plate one 1101, the outer side of the right connecting plate one 1101 is fixedly installed with the protruding piece one 1102, the bottom of the right connecting plate one 1101 is fixedly installed with the supporting block one 1103, the top of the supporting block one 1103 is fixedly installed with the fixed column one 1104, the outer side of the rotating shaft 8 is fixedly installed with the right connecting plate two 1105, the outer side of the right connecting plate two 1105 is fixedly installed with the protruding piece two 1106, the bottom of the right connecting plate two 1105 is fixedly installed with the supporting block two 1107, the top of the supporting block two 1107 is fixedly installed with the fixed column two 1108, the top of the right connecting plate one 1101 is provided with the connecting block 1109, the inner side of the connecting block 1109 is provided with the mounting groove 1110, the bottom of the connecting block 1109 is provided with the clamping groove 1111, the sizes of the protruding piece one 1102, the supporting block one 1103 and the fixed column one 1104 are same as those of the protruding piece two 1106, the supporting block two 1107 and the fixed column two 1108, through the setting of the right connecting assembly 11, the right float 7 and the rotating shaft 8 are designed to be detachable, if the internal parts are damaged, only the damaged parts need to be replaced, simple disassembly and debugging are carried out, the maintenance difficulty is reduced and the cost is reduced, and the economic cost is reduced.
[0027] Further, the clamping groove 1111 is matched with the supporting block one 1103 and the supporting block two 1107, the clamping groove 1111 is provided with the same four groups, and the four groups of clamping grooves 1111 are diagonally distributed about the vertical center line of the connecting block 1109, through the matching of the clamping groove 1111 with the supporting block one 1103 and the supporting block two 1107, the connection of the connecting block 1109 with the right connecting plate one 1101 and the right connecting plate two 1105 is more stable.
[0028] Further, the horizontal section of the combination of the protruding piece one 1102 and the protruding piece two 1106 is in a "trapezoidal" structure, the combination of the protruding piece one 1102 and the protruding piece two 1106 is matched with the mounting groove 1110, through the cooperation between the combination of the protruding piece one 1102 and the protruding piece two 1106 and the mounting groove 1110, the connection of the connecting block 1109 with the right connecting plate one 1101 and the right connecting plate two 1105 is more stable.
[0029] Working principle: in use, the worker first checks the internal and external environment of the entire device, ensures that the internal and external environment of the oil storage bin 1 is good when working, ensures the health and safety of the worker, first the worker opens the carburetor body, connects the left connecting plate one 1001 outside the left float 6 in the oil storage bin 1 with the left connecting plate two 1007 outside the rotating shaft 8, at this time the worker combines the clamping block 1003 outside the left connecting plate one 1001 with the left connecting plate two 1007, at this time the worker rotates the bolt 1005, the rotating column 1006 on the bolt 1005 is in contact with the combination of the through hole one 1002 and the through hole two 1008, the bolt 1005 is inserted into the left connecting plate one 1001 and the left connecting plate two 1007, when the rotating column 1006 reaches the position of the combination of the rotating groove one 1004 and the rotating groove two 1010, the worker rotates the bolt 1005 to rotate the rotating column 1006 to the vertical state, so that the rotating column 1006 is placed in the rotating groove one 1004 and the rotating groove two 1010, at this time the left connecting plate one 1001 and the left connecting plate two 1007 are installed and fixed, the right connecting plate one 1101 outside the right float 7 in the oil storage bin 1 is connected with the right connecting plate two 1105 outside the rotating shaft 8, at this time the worker tightly fits the protruding piece one 1102 outside the right connecting plate one 1101 with the protruding piece two 1106 outside the right connecting plate two 1105, so that the horizontal section of the combination of the protruding piece one 1102 and the protruding piece two 1106 is in trapezoidal structure, at this time the worker coincides the installation groove 1110 inside the connecting block 1109 with the combination of the protruding piece one 1102 and the protruding piece two 1106, at the same time the clamping groove 1111 at the bottom of the connecting block 1109 combines the fixed column one 1104 and the fixed column two 1108, so that the connecting block 1109 fixes the right connecting plate one 1101 and the right connecting plate two 1105, at this time the left float 6 and the right float 7 are fixed on the rotating shaft 8, at this time the left float 6 and the right float 7 are installed, the worker only needs to reverse the above process to restore the device to its original state, which is simple and convenient to operate.
[0030] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A fuel level adjustable carburettor comprising a fuel reservoir (1), characterised in that: The outside of the oil storage bin (1) is provided with an air inlet (2), the top of the oil storage bin (1) is fixedly provided with a cold start enrichment solenoid valve (3), the outside of the oil storage bin (1) is provided with an oil inlet (4), the top of the oil storage bin (1) is provided with an oil cover (5), the inside of the oil storage bin (1) is provided with a left float (6), the inside of the oil storage bin (1) is provided with a right float (7), the left float (6) is fixedly connected with the rotating shaft (8) through a left connecting assembly (10), the right float (7) is fixedly connected with the rotating shaft (8) through a right connecting assembly (11), and the outside of the rotating shaft (8) is provided with a float needle (9).
2. The fuel level adjustable carburettor according to claim 1, wherein: The left float (6) and the right float (7) are provided with the same size structure, the left float (6) and the right float (7) are symmetrically distributed about the vertical center line of the rotating shaft (8), and the float needle (9) is not in contact with the left float (6) and the right float (7).
3. The fuel level adjustable carburettor as claimed in claim 1 wherein: The left connecting assembly (10) comprises a left connecting plate one (1001), a through hole one (1002), a clamping block (1003), a rotating groove one (1004), a bolt (1005), a rotating column (1006), a left connecting plate two (1007), a through hole two (1008), a clamping groove (1009) and a rotating groove two (1010), the outside of the left float (6) is fixedly provided with the left connecting plate one (1001), the outside of the left connecting plate one (1001) is provided with the through hole one (1002), the outside of the left connecting plate one (1001) is fixedly provided with the clamping block (1003), the outside of the left connecting plate one (1001) is provided with the rotating groove one (1004), the outside of the left connecting plate one (1001) is provided with the bolt (1005), the outside of the bolt (1005) is fixedly provided with the rotating column (1006), the outside of the rotating shaft (8) is fixedly provided with the left connecting plate two (1007), the outside of the left connecting plate two (1007) is provided with the through hole two (1008), the outside of the left connecting plate two (1007) is provided with the clamping groove (1009), the outside of the left connecting plate two (1007) is provided with the rotating groove two (1010), the size of the left connecting plate one (1001) and the left connecting plate two (1007) is consistent, and the combination of the through hole one (1002) and the through hole two (1008) is consistent with the length of the rotating column (1006).
4. The fuel level adjustable carburettor according to claim 3, wherein: The clamping block (1003) is matched with the clamping groove (1009), the size of the rotating groove one (1004) and the rotating groove two (1010) is the same, and the combination of the rotating groove one (1004) and the rotating groove two (1010) is matched with the rotating column (1006).
5. The fuel level adjustable carburetor according to claim 1, wherein: The right connecting assembly (11) comprises a right connecting plate one (1101), a protruding piece one (1102), a supporting block one (1103), a fixed column one (1104), a right connecting plate two (1105), a protruding piece two (1106), a supporting block two (1107), a fixed column two (1108), a connecting block (1109), a mounting groove (1110) and a clamping groove (1111), the outer side of the right float (7) is fixedly installed with the right connecting plate one (1101), the outer side of the right connecting plate one (1101) is fixedly installed with the protruding piece one (1102), the bottom of the right connecting plate one (1101) is fixedly installed with the supporting block one (1103), the top of the supporting block one (1103) is fixedly installed with the fixed column one (1104), the outer side of the rotating shaft (8) is fixedly installed with the right connecting plate two (1105), the outer side of the right connecting plate two (1105) is fixedly installed with the protruding piece two (1106), the bottom of the right connecting plate two (1105) is fixedly installed with the supporting block two (1107), the top of the supporting block two (1107) is fixedly installed with the fixed column two (1108), the top of the right connecting plate one (1101) is provided with the connecting block (1109), the inner side of the connecting block (1109) is provided with the mounting groove (1110), the bottom of the connecting block (1109) is provided with the clamping groove (1111), the sizes of the protruding piece one (1102), the supporting block one (1103) and the fixed column one (1104) are same as those of the protruding piece two (1106), the supporting block two (1107) and the fixed column two (1108).
6. The fuel level adjustable carburettor according to claim 5, wherein: The clamping groove (1111) is matched with the supporting block one (1103) and the supporting block two (1107), the clamping groove (1111) is provided with same four groups, and the four groups of clamping grooves (1111) are diagonally distributed about the vertical center line of the connecting block (1109).
7. The fuel level adjustable carburettor as claimed in claim 5 wherein: The horizontal section of the combination of the protruding piece one (1102) and the protruding piece two (1106) is in a "ladder shape", and the combination of the protruding piece one (1102) and the protruding piece two (1106) is matched with the mounting groove (1110).