Stainless steel casing steel casting of internal compression process supercharger
By designing a double-piston structure with a stainless steel casing and a reasonable connection method, the problems of large weight and poor heat dissipation of existing internal compression process booster compressors have been solved, achieving lightweight, good heat dissipation and high-efficiency boosting effect.
Patent Information
- Application Number
- CN202520470128.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-18
AI Technical Summary
Existing internal compression process booster compressors have heavy housings, poor heat dissipation, can only install a single piston, have low boosting efficiency, and cannot adjust the boosting level.
The casing is made of stainless steel and designed with a dual-piston structure. It is connected by flanges and bolts and sealed with O-rings. A hard alloy reinforcing layer enhances wear resistance and enables the reciprocating motion of the dual pistons.
It achieves lightweight design, good heat dissipation, and ease of processing, while also enabling secondary compression and pressurization of gas, thus enhancing pressurization efficiency.
Smart Images
Figure CN223854413U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gas pressurization technical field, concretely relates to a stainless steel casing steel casting of internal compression process supercharger. BACKGROUND
[0002] Internal compression process supercharger is a kind of common compressed gas device, it increases the pressure of gas by the reciprocating motion of piston. Its principle is as follows: internal compression process supercharger structure is usually composed of cylinder, piston, inlet valve and outlet valve etc. assembly, when piston moves downward, the volume of cylinder expands, and the pressure in cylinder reduces. Inlet valve opens, and external low-pressure gas enters cylinder, when piston moves upward, the volume of cylinder shrinks, and the pressure in cylinder rises. At this time, inlet valve closes to prevent gas backflow, and outlet valve opens to discharge compressed gas. With the reciprocating motion of piston, gas is continuously compressed, and its pressure is increased. Through repeated compression process, the pressure of gas gradually rises, and the casing of current internal compression process supercharger is mostly single-piston structure, only a single piston can be installed in casing, single-piston pressurization efficiency is low, and because the size of piston and piston cylinder is fixed, the volume ratio of gas compression is fixed, so the pressurization size cannot be adjusted. Moreover, the casing generally adopts cast iron cylinder, and the cast iron cylinder has the following shortcomings: heavy weight, poor heat dissipation and difficult processing. SUMMARY
[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a stainless steel casing steel casting of internal compression process supercharger, which has reasonable structure design, light weight, good heat dissipation, convenient processing and can install double pistons.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a stainless steel casing steel casting of internal compression process supercharger, which comprises a stainless steel casing, the stainless steel casing comprises a first stainless steel cylinder casting and a second stainless steel cylinder casting, the upper end of the first stainless steel cylinder casting is integrally provided with a first flange, the lower end of the second stainless steel cylinder casting is integrally provided with a second flange, a plurality of positioning grooves with downward opening are arranged on the lower end face of the second flange, a positioning lug is integrally arranged on the upper end face of the first flange in alignment with the position of each positioning groove, and a first sealing ring mounting groove is arranged on the upper end face of the first flange, and a second sealing ring mounting groove is arranged on the lower end face of the second flange.
[0005] A first piston cavity is arranged in the first stainless steel cylinder casting, a first one-way inlet valve joint and a first exhaust one-way valve joint are integrally arranged on the upper end side of the first stainless steel cylinder casting, an axle hole is arranged on the lower end side of the first stainless steel cylinder casting, a rocker arm mounting cavity is arranged at the lower end position of the first piston cavity, the rocker arm mounting cavity is communicated with the first piston cavity, and the rocker arm mounting cavity is communicated with the axle hole.
[0006] The second piston cavity is integrally provided with a second air inlet one-way valve joint and a second air outlet one-way valve joint at the upper end.
[0007] The utility model further sets up: the upper end surface of first flange is provided with a plurality of first bolt holes in vertical direction, the lower end surface of second flange is provided with second bolt through -hole in alignment with every first bolt hole position, and first flange and second flange are fixed by bolt locking.
[0008] The utility model further sets up: the inner wall surface of second piston cavity is fixed with hard alloy reinforcing layer, and the hard alloy reinforcing layer is provided with air inlet through -hole in alignment with second air inlet one-way valve joint position, and is provided with air outlet through -hole in alignment with second air outlet one-way valve joint position.
[0009] The utility model further sets up: first stainless steel cylinder casting is integrally provided with motor mounting plate on the outer port side position of axle hole, and the motor mounting plate is provided with a plurality of screw holes or bolt mounting holes.
[0010] The utility model further sets up: first sealing ring mounting groove and second sealing ring mounting groove are annular grooves, first O type sealing ring is arranged in first sealing ring mounting groove, and second O type sealing ring is arranged in second sealing ring mounting groove.
[0011] The utility model further sets up: the upper end surface of first flange is provided with a connecting rod through -hole in the middle, and the lower end surface of second flange is provided with a piston mounting through -hole in the middle.
[0012] The utility model has the advantages of reasonable structure design compared with prior art, first stainless steel cylinder casting and second stainless steel cylinder casting are locked and fixed by first flange, second flange and bolt when assembling, and are sealed by O type sealing ring between first flange and second flange, and first stainless steel cylinder casting and second stainless steel cylinder casting are assembled into an integral whole after being cast separately, so the utility model is light in weight, good in heat dissipation and convenient to process.
[0013] The first piston cavity of first stainless steel cylinder casting is provided with a first piston, and the second piston cavity of second stainless steel cylinder casting is provided with a second piston, and the reciprocating double-piston structure can further compress gas, realize secondary compression of gas and has good practicability.
[0014] The utility model will be further described in connection with the drawings and specific embodiments in the specification. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is the structural schematic diagram of the utility model embodiment.
[0016] Fig. 2 It is the cross section schematic view of the embodiment of the utility model;
[0017] Fig. 3 It is the cross section schematic view of the first stainless steel cylinder casting of the embodiment of the utility model;
[0018] Fig. 4 It is the cross section schematic view of the second stainless steel cylinder casting of the embodiment of the utility model. DETAILED DESCRIPTION
[0019] In the description of the present embodiment, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "back" and the like appear, the indicated orientation or position relationship is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore, cannot be understood as limiting the utility model. In addition, if the terms "first", "second", "third" appear, they are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0020] Referring to Figs. 1 to 4 The utility model discloses a kind of stainless steel casing cast steel pieces of internal compression process supercharger, including stainless steel casing, the stainless steel casing includes first stainless steel cylinder casting 1 and second stainless steel cylinder casting 2, the upper end of the first stainless steel cylinder casting 1 is integrally provided with first flange 11, the lower end of the second stainless steel cylinder casting 2 is integrally provided with second flange 21, the lower end surface of the second flange 21 is provided with several opening downward positioning recess 22, the upper end surface of the first flange 11 is integrally provided with positioning boss 12 in each positioning recess position alignment, and the upper end surface of first flange 11 is provided with first sealing ring installation groove 13, the lower end surface of the second flange 21 is provided with second sealing ring installation groove 23;
[0021] The first stainless steel cylinder casting 1 is provided with first piston cavity 14, the upper end side of the first stainless steel cylinder casting 1 is integrally provided with first one-way intake valve joint 15 and first exhaust one-way valve joint 16, the lower end side of first stainless steel cylinder casting 1 is provided with shaft hole 17, the lower end position of the first piston cavity 14 is provided with rocker arm installation cavity 18, the rocker arm installation cavity 18 is communicated with first piston cavity 14, and the rocker arm installation cavity 18 is communicated with shaft hole 17;
[0022] The second stainless steel cylinder casting 2 is provided with second piston cavity 24, the upper end of the second piston cavity 24 is integrally provided with second intake one-way valve joint 25 and second exhaust one-way valve joint 26.
[0023] Preferably, a plurality of first bolt holes 111 are vertically arranged on the upper end surface of the first flange 11, and a second bolt through hole 211 is arranged at a position corresponding to each first bolt hole on the lower end surface of the second flange 21, and the first flange 11 and the second flange 21 are fixed by bolt locking.
[0024] In order to make the structure design of the utility model more reasonable, preferably, a hard alloy reinforcing layer 3 is fixedly arranged on the inner wall surface of the second piston cavity 24, an air inlet through hole 31 is arranged on the hard alloy reinforcing layer 3 at a position corresponding to the second air inlet one-way valve joint, and an exhaust through hole 32 is arranged on the hard alloy reinforcing layer 3 at a position corresponding to the second exhaust one-way valve joint.
[0025] The first stainless steel cylinder casting 1 is integrally provided with a motor mounting plate 4 on the outer end of the shaft hole, and a plurality of screw holes or bolt mounting holes are arranged on the motor mounting plate 4.
[0026] The first sealing ring mounting groove 13 and the second sealing ring mounting groove 23 are annular grooves, a first O-shaped sealing ring is arranged in the first sealing ring mounting groove 13, and a second O-shaped sealing ring is arranged in the second sealing ring mounting groove 23.
[0027] A connecting rod through hole 112 is arranged in the upper end surface of the first flange 11, and a piston mounting through hole 212 is arranged in the lower end surface of the second flange 21.
[0028] In actual application, the first stainless steel cylinder casting 1 and the second stainless steel cylinder casting 2 are assembled by the first flange 11, the second flange 21 and bolt locking, and the first flange 11 and the second flange 21 are sealed by the O-shaped sealing ring, the first stainless steel cylinder casting 1 and the second stainless steel cylinder casting 2 are assembled into an integrated body after being separately cast, and the structure design is reasonable, light in weight, good in heat dissipation performance and convenient to process.
[0029] A first piston is arranged in a first piston cavity 14 of the first stainless steel cylinder casting 1, a second piston is arranged in a second piston cavity 24 of the second stainless steel cylinder casting 2, a rocker arm is arranged in a rocker arm mounting cavity 18, a crankshaft is arranged in a shaft hole 17, a bending part of the crankshaft is located in the rocker arm mounting cavity 18, and the crankshaft is fixedly connected with the rocker arm, a piston rod is hingedly arranged at a middle part of the rocker arm, the piston rod is hingedly connected with the first piston through a shaft pin, a connecting rod is fixedly arranged at a bottom of the second piston, a threaded rod is integrally formed at a bottom end of the connecting rod, and the threaded rod is connected with an inner threaded hole at a top of the first piston; a motor is arranged on a motor mounting plate 4, and a main shaft of the motor is fixedly connected with an outer end of the crankshaft through a shaft coupling; a first one-way intake valve is arranged on the first one-way intake valve joint 15, a first one-way exhaust valve is arranged on the first one-way exhaust valve joint 16, a second one-way intake valve is arranged on the second one-way intake valve joint 25, and a second one-way exhaust valve is arranged on the second one-way exhaust valve joint 26; the first one-way exhaust valve and the second one-way intake valve are connected through a gas pipe, the first one-way intake valve is connected with a high-pressure gas pipe, and a booster gas pipe is arranged at an output end of the second one-way exhaust valve.
[0030] Working principle: the main shaft of the motor drives the crankshaft to rotate, and when the rocker arm rotates synchronously, the first piston can move vertically in the first piston cavity 14; the first one-way intake valve is connected with high-pressure gas or normal-pressure gas, when the first piston moves downward, the high-pressure gas or normal-pressure gas is sucked into the first piston cavity 14 through the first one-way intake valve, when the first piston moves upward, the first one-way intake valve is reversely closed, and the compressed gas passes through the first one-way exhaust valve, the gas pipe and the second one-way intake valve; when the second piston moves downward, the gas in the gas pipe is sucked into the second piston cavity 24, and when the second piston moves upward, the gas can be further compressed to realize secondary compression and pressure boosting of the gas.
[0031] In summary, the stainless steel casing casting steel piece has the advantages of reasonable structure design, light weight, good heat dissipation performance, convenient processing, installation of double pistons and good practicability. The above embodiments are only used for further description of the utility model, and cannot be understood as limitation of the protection scope of the utility model; the skilled engineers in the art can make some non-essential improvements and adjustments to the utility model according to the content of the utility model, and the improvements and adjustments fall within the protection scope of the utility model.
Claims
1. A stainless steel housing casting for an intercooled supercharger, comprising a stainless steel housing, characterized by: The stainless steel shell comprises a first stainless steel cylinder casting (1) and a second stainless steel cylinder casting (2), the upper end of the first stainless steel cylinder casting (1) is integrally provided with a first flange (11), the lower end of the second stainless steel cylinder casting (2) is integrally provided with a second flange (21), a plurality of downwardly open positioning grooves (22) are arranged on the lower end face of the second flange (21), a positioning lug (12) is integrally arranged on the upper end face of the first flange (11) in alignment with the position of each positioning groove, a first sealing ring mounting groove (13) is arranged on the upper end face of the first flange (11), and a second sealing ring mounting groove (23) is arranged on the lower end face of the second flange (21). The first stainless steel cylinder casting (1) is provided with a first piston cavity (14) therein, the upper end side of the first stainless steel cylinder casting (1) is integrally provided with a first one-way air inlet valve joint (15) and a first one-way exhaust valve joint (16), the lower end side of the first stainless steel cylinder casting (1) is provided with a shaft hole (17), a rocker arm mounting cavity (18) is arranged at the lower end position of the first piston cavity (14), the rocker arm mounting cavity (18) is in communication with the first piston cavity (14), and the rocker arm mounting cavity (18) is in communication with the shaft hole (17). The second stainless steel cylinder casting (2) is provided with a second piston cavity (24) therein, the upper end of the second piston cavity (24) is integrally provided with a second one-way air inlet valve joint (25) and a second one-way exhaust valve joint (26).
2. A stainless steel housing casting for an inner compression flow turbocharger according to claim 1, characterized in that: A plurality of first bolt holes (111) are vertically arranged on the upper end face of the first flange (11), a second bolt through hole (211) is arranged on the lower end face of the second flange (21) in alignment with the position of each first bolt hole, and the first flange (11) and the second flange (21) are fixed by bolt locking.
3. A stainless steel housing casting for an inner compression flow turbocharger according to claim 2, characterized in that: A hard alloy reinforcing layer (3) is fixedly arranged on the inner wall face of the second piston cavity (24), the hard alloy reinforcing layer (3) is provided with an air inlet through hole (31) in alignment with the position of the second one-way air inlet valve joint, and the hard alloy reinforcing layer (3) is provided with an exhaust through hole (32) in alignment with the position of the second one-way exhaust valve joint.
4. A stainless steel housing casting for an inner compression flow turbocharger according to claim 1 or 3, characterized in that: A motor mounting plate (4) is integrally arranged on the outer end of the shaft hole of the first stainless steel cylinder casting (1), a plurality of screw holes or bolt mounting holes are arranged on the motor mounting plate (4).
5. A stainless steel housing casting for an inner compression flow turbocharger according to claim 4, characterized in that: The first sealing ring mounting groove (13) and the second sealing ring mounting groove (23) are annular grooves, a first O-shaped sealing ring is arranged in the first sealing ring mounting groove (13), and a second O-shaped sealing ring is arranged in the second sealing ring mounting groove (23).
6. A stainless steel housing casting for an inner compression flow turbocharger according to claim 5, characterized in that: A connecting rod through hole (112) is arranged in the middle of the upper end face of the first flange (11), and a piston mounting through hole (212) is arranged in the middle of the lower end face of the second flange (21).