CN210637204U - Air inlet pressure stabilizing device of engine - Google Patents

Abstract

The utility model discloses an air inlet pressure stabilizing device of an engine, which comprises a main support body, a movable core, a hidden one-way valve and a sealing cover, the outline of the main support body is a round steel tubular structure, an air cavity is arranged in the cylindrical structure of the main support body, the end surfaces of the two sides of the tubular structure of the main support body are both provided with support sealing ring grooves, the positions of the two sides of the tubular structure of the main support body adjacent to the end surfaces are provided with support body connecting blocks, a threaded hole is arranged in the support body connecting block, two groups of support fixing plates which are strip-shaped in outline and are parallel to each other are arranged on the lower side of the cylindrical structure of the main support body, through holes are arranged at both ends of the support fixing plate, the through holes on the support fixing plate are counter bores, movable cores are arranged in the air cavities, the movable core comprises a push plate with a profile in a circular plate-shaped structure, and three groups of mounting grooves distributed in an annular array are formed in the push plate. This engine pressure stabilizer that admits air can assist the inlet box pressurization of engine, is fit for generally using widely.

Description

Air inlet pressure stabilizing device of engine

Technical Field

The utility model belongs to the technical field of the engine, concretely relates to engine pressure stabilizer that admits air.

Background

An engine is a machine that can convert other forms of energy into mechanical energy, including, for example, internal combustion engines, external combustion engines, electric motors, and the like. Such as internal combustion engines, typically convert chemical energy into mechanical energy. The engine is applicable to both the power generation device and the whole machine including the power device. Engines were first introduced in the united kingdom, and the engine concept is also derived from english, which is meant in its meaning as "power generating machinery".

The pressure in the existing engine air inlet box needs to be controlled, the pressure needs to be adjusted adaptively according to the needs of the engine, and the conventional pressurizing device has the problem of gas backflow, so that high-pressure gas in the air inlet box overflows, and the working efficiency of the engine is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an engine steady voltage device that admits air to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an engine pressure stabilizer that admits air, includes main support body, movable core, hidden check valve and closing cap, the profile of main support body is steel circular tubular structure, the inside air cavity that is equipped with of tubular structure of main support body, all open on the terminal surface of the tubular structure both sides of main support body and hold in the palm the seal ring groove, be equipped with the support body connecting block on the tubular structure both sides of main support body and the position that the terminal surface is adjacent, the inside screw hole that opens of support body connecting block, the tubular structure downside of main support body is equipped with two sets of profiles and is banding and the support fixed plate that is parallel to each other, it has the through-hole all to open at support fixed plate both ends, the through-hole on the support fixed plate is the counter sink.

Preferably, the inside activity core that is provided with of air cavity, the activity core includes that the profile is circular platelike structure's push pedal, it has three groups to be the mounting groove that the annular array distributes to open in the push pedal, the inside hidden check valve that all is provided with of mounting groove, be equipped with the board axle in the push pedal, the one end that the board axle dorsad pushed pedal is opened there is the through-hole, it has the board groove to open on the excircle part of push pedal.

Preferably, the closing cap is provided with two sets ofly, and it has the lid hole to open on one of them group of closing cap, the closing cap is circular platelike structure, be equipped with four groups on the closing cap and be the lid connecting block that the annular array distributes, it has the through-hole to open on the lid connecting block, it has the connector to open on the closing cap, the inside screw thread that is equipped with of connector, the closing plate is opened with the mouth circle groove on the main support body's the adjacent position of connector on the surface dorsad, and mouth circle inslot portion is provided with a mouth sealing washer.

Preferably, a core sealing ring is arranged in a plate groove on a push plate of the movable core, and a cover sealing ring is arranged in the support sealing ring groove.

Preferably, the hidden check valve comprises a valve body and a sealing ring in threaded connection with the valve body, a ball core is arranged inside the valve body, a spring is arranged between the ball core and the sealing ring, and the valve body is fixed inside the mounting groove through threads on the outer circle part of the valve body and threads inside the mounting groove.

The utility model discloses a technological effect and advantage: according to the air inlet pressure stabilizing device of the engine, air is pumped into an air inlet box of the engine in a reciprocating motion mode by pulling the movable core, so that the pressure in the air inlet box of the engine is increased to a proper value, air is conveyed into the air inlet box through the three groups of hidden one-way valves and the two groups of one-way valves fixed on the sealing cover, the air in the air inlet box can reversely overflow only through the three groups of hidden one-way valves and the one group of one-way valves fixed on the sealing cover, the probability of reverse overflow of the air is low, and the problem of reduction of the efficiency of the engine caused by reverse air leakage is solved; the main support body is of an integrated structure, has high overall strength and can adapt to gas with high pressure, connected components are sealed by sealing rings, and the connected components have good air tightness.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the main support body of the present invention;

FIG. 4 is a schematic view of the movable core structure of the present invention;

FIG. 5 is a schematic view of the hidden check valve of the present invention;

FIG. 6 is a schematic view showing the positions of the components inside the hidden check valve of the present invention;

fig. 7 is a schematic view of the structure of the sealing cover of the present invention.

In the figure: the sealing device comprises a main support body 1, a support body connecting block 101, an air chamber 102, a sealing ring groove 103, a support fixing plate 104, a movable core 2, a push plate 201, a mounting groove 202, a plate shaft 203, a plate groove 204, a hidden check valve 3, a sealing ring 301, a spring 302, a ball core 303, a valve body 304, a sealing cover 4, a cover connecting block 401, a cover hole 402, a connecting port 403, a ring groove 404, a cover sealing ring 5, a sealing ring 6 and a sealing ring 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a as shown in fig. 1-7 engine air inlet pressure stabilizing device, including main support body 1, activity core 2, hidden check valve 3 and closing cap 4, main support body 1's profile is steel circular tubular structure, the inside air cavity 102 that is equipped with of main support body 1's tubular structure, all open on the terminal surface of main support body 1's tubular structure both sides and hold in the palm sealing ring groove 103, be equipped with on the tubular structure both sides of main support body 1 and the terminal surface adjacent position and hold in the palm body connecting block 101, the inside threaded hole that opens of support body connecting block 101, main support body 1's tubular structure downside is equipped with two sets of profiles and is banding and the support fixed plate 104 that is parallel to each other, it all opens the through-hole to hold in the palm fixed plate 104 both ends, the through-hole on the support fixed plate 104 is the countersunk.

Specifically, the air cavity 102 is internally provided with a movable core 2, the movable core 2 comprises a push plate 201 with a profile in a circular plate-shaped structure, the push plate 201 is provided with three groups of mounting grooves 202 distributed in an annular array, the mounting grooves 202 are internally provided with hidden check valves 3, the push plate 201 is provided with a plate shaft 203, one end of the plate shaft 203, which faces away from the push plate 201, is provided with a through hole, and the excircle part of the push plate 201 is provided with a plate groove 204.

Specifically, the sealing cover 4 is provided with two sets, wherein a set of sealing cover 4 is provided with a cover hole 402, the sealing cover 4 is a circular plate-shaped structure, four sets of cover connecting blocks 401 distributed in an annular array are arranged on the sealing cover 4, a through hole is formed in each cover connecting block 401, a connecting port 403 is formed in the sealing cover 4, a thread is arranged inside the connecting port 403, an opening ring groove 404 is formed in a position, adjacent to the connecting port 403, on the surface of the sealing plate, back to the main support body 1, of the sealing plate, an opening sealing ring 7 is arranged inside the opening ring groove 404, and the sealing cover 4 is used for forming a relatively closed space inside the main support body 1.

Specifically, a core seal ring 6 is arranged in a plate groove 204 on a push plate 201 of the movable core 2, a cover seal ring 5 is arranged in the support seal ring groove 103, and gaps between the components are filled through a plurality of seal rings.

Specifically, the hidden one-way valve 3 comprises a valve body 304 and a sealing ring 301 in threaded connection with the valve body 304, a ball core 303 is arranged inside the valve body 304, a spring 302 is arranged between the ball core 303 and the sealing ring 301, the valve body 304 is fixed inside the mounting groove 202 through threads on the outer circle portion of the valve body and threads inside the mounting groove 202, and the hidden one-way valve 3 is completely sunk inside the push plate 201 and cannot protrude out of the push plate 201 to influence the moving stroke of the push plate 201.

Specifically, the engine air inlet pressure stabilizing device is characterized in that a plate shaft 203 is connected with a reciprocating motor, or a crank is arranged on an output shaft of an engine and connected with the plate shaft, the plate shaft 203 pulls a push plate 201 to move, a group of conventional one-way valves are respectively arranged on two groups of sealing covers 4, the two groups of one-way valves are respectively connected with an engine air inlet box and the outside air, a hidden one-way valve 3 sucks air when the plate shaft 203 is pulled out, the hidden one-way valve 3 presses air into the air inlet box when the plate shaft 203 is pressed back, the air is continuously pressurized into the air inlet box through the reciprocating push plate 201, and the existing one-way valve is referred to the working mode of the hidden one.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (5)

1. The utility model provides an engine steady voltage device that admits air, includes main support body (1), activity core (2), hidden check valve (3) and closing cap (4), its characterized in that: the profile of the main support body (1) is a steel round tubular structure, an air cavity (102) is arranged inside the tubular structure of the main support body (1), supporting sealing ring grooves (103) are formed in the end faces of the two sides of the tubular structure of the main support body (1), support body connecting blocks (101) are arranged on the two sides of the tubular structure of the main support body (1) and adjacent to the end faces, threaded holes are formed inside the support body connecting blocks (101), two groups of support fixing plates (104) are arranged on the lower side of the tubular structure of the main support body (1), the profiles of the two groups of support fixing plates are strip-shaped and parallel to each other, through holes are formed in the two ends of each support fixing plate (104), and the through holes in each support fixing plate (104) are countersunk holes.

2. An engine intake pressure stabilizing apparatus according to claim 1, characterized in that: the air cavity (102) is internally provided with a movable core (2), the movable core (2) comprises a push plate (201) with a profile in a circular plate-shaped structure, three groups of mounting grooves (202) distributed in an annular array are formed in the push plate (201), a hidden one-way valve (3) is arranged in each mounting groove (202), a plate shaft (203) is arranged on the push plate (201), a through hole is formed in one end, opposite to the push plate (201), of the plate shaft (203), and a plate groove (204) is formed in the excircle part of the push plate (201).

3. An engine intake pressure stabilizing apparatus according to claim 1, characterized in that: the utility model discloses a seal structure, including closing cap (4), be equipped with the closing cap and cover the hole (402) on one of them group closing cap (4), closing cap (4) are circular platelike structure, be equipped with four groups lid connecting block (401) that are the annular array and distribute on closing cap (4), it has the through-hole to open on lid connecting block (401), it has connector (403) to open on closing cap (4), connector (403) inside is equipped with the screw thread, and the shrouding is opened with opening ring groove (404) to the main position adjacent with connector (403) on the surface of support body (1) dorsad, and opening ring groove (404) inside is provided with a sealing washer (7).

4. An engine intake pressure stabilizing apparatus according to claim 1, characterized in that: a core sealing ring (6) is arranged in a plate groove (204) on a push plate (201) of the movable core (2), and a cover sealing ring (5) is arranged in the support sealing ring groove (103).

5. An engine intake pressure stabilizing apparatus according to claim 1, characterized in that: the hidden one-way valve (3) comprises a valve body (304) and a sealing ring (301) in threaded connection with the valve body (304), a ball core (303) is arranged inside the valve body (304), a spring (302) is arranged between the ball core (303) and the sealing ring (301), and the valve body (304) is fixed inside the mounting groove (202) through threads on the outer circle part of the valve body and threads inside the mounting groove (202).

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