CN217761238U

CN217761238U - Double air supercharger

Info

Publication number: CN217761238U
Application number: CN202221718576.8U
Authority: CN
Inventors: 陈国金; 晏万文
Original assignee: Siwell Supercharger Technology Suzhou Co ltd
Current assignee: Siwell Supercharger Technology Suzhou Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-11-08
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses a double formula air booster, include: the supercharger body is hollow inside to form a supercharging cavity; the piston unit is movably arranged in the pressurization cavity; the reversing valve unit is fixedly arranged on the supercharger body and communicated with the supercharging cavity; the pressurizing cavity comprises a first driving chamber, a first pressurizing chamber, a second pressurizing chamber and a second driving chamber which are sequentially arranged along the axial direction; the direction valve unit includes: a valve seat fixedly mounted on the supercharger body; and the valve seat is provided with a driving gas inlet, a first driving gas outlet, a second driving gas outlet, a first exhaust port and a second exhaust port. According to the utility model discloses, it is through adopting the operating frequency and the output flow of switching-over valve unit in order to promote the booster for can satisfy customer's demand with the pressure boost twice of air.

Description

Double air supercharger

Technical Field

The utility model relates to a booster technical field. More specifically, the utility model relates to a double formula air booster.

Background

In the field of supercharger technology, it is known to use superchargers of different configurations to achieve efficient supercharging of air. In the process of researching and realizing the high-efficiency supercharging of the air, the inventor finds that the supercharger in the prior art has at least the following problems:

the current booster pressure boost effect is relatively poor, and the air pressure after the pressure boost is difficult to satisfy customer's demand, simultaneously, when pressure leakage takes place for the pressure boost return circuit, unable automatic pressure compensation, inefficiency.

In view of the above, it is necessary to develop a double air supercharger to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists among the prior art, the utility model discloses a main objective provides a double formula air booster, and it is through adopting the action frequency and the output flow of switching-over valve unit in order to promote the booster for can satisfy customer's demand with the pressure boost twice of air, the automatic pressure compensation of booster simultaneously keeps pressure invariable, does not have extra energy consumption during the pressurize, environmental protection and energy saving, and need not any power, adopts gas drive, and no electric arc and spark are applicable to inflammable and explosive gas place.

To achieve these objects and other advantages in accordance with the purpose of the invention, a double air supercharger is provided, comprising: the supercharger body is hollow inside to form a supercharging cavity;

a piston unit movably disposed within the plenum; and

the reversing valve unit is fixedly arranged on the supercharger body and is communicated with the supercharging cavity;

the pressurizing cavity comprises a first driving chamber, a first pressurizing chamber, a second pressurizing chamber and a second driving chamber which are sequentially arranged along the axial direction;

the direction valve unit includes: a valve seat fixedly mounted on the supercharger body;

the valve seat is provided with a driving gas inlet, a first driving gas outlet, a second driving gas outlet, a first exhaust port and a second exhaust port;

the driving air inlet is communicated with external air pressure equipment, the first driving air outlet is communicated with the first driving chamber, the second driving air outlet is communicated with the second driving chamber, and the first exhaust port and the second exhaust port are communicated with the atmosphere.

Preferably, a driving cavity is formed in the valve seat, a reversing valve sleeve is arranged in the driving cavity, and a reversing valve core is movably arranged in the reversing valve sleeve;

the reversing valve sleeve is provided with a first through hole, a second through hole, a third through hole and a fourth through hole, the first through hole is communicated with the first exhaust port, the second through hole is communicated with the second driving gas outlet, the third through hole is communicated with the first driving gas outlet, and the fourth through hole is communicated with the second exhaust port.

Preferably, the direction valve spool includes: an air outlet section; and

a sealing segment extending from a surface of the gas outlet segment in a direction away from the gas outlet segment;

the gas outlet section is internally provided with a gas outlet cavity, and the circumferential area of the gas outlet cavity is provided with at least two gas outlet holes;

under the action of air pressure, the reversing valve core reciprocates along the axial direction of the reversing valve core so as to communicate the air outlet hole with the second through hole and communicate the third through hole with the fourth through hole; or

So as to communicate the air outlet hole with the third through hole and communicate the first through hole with the second through hole.

Preferably, the first driving gas outlet is communicated with the first driving chamber through a connecting pipeline;

and the second driving gas outlet is communicated with the second driving chamber through a first connecting gas path.

Preferably, the supercharger body comprises: the turbocharger comprises a first end cover, a first cylinder barrel, an intermediate body, a second cylinder barrel and a second end cover, wherein the first end cover, the first cylinder barrel, the intermediate body, the second cylinder barrel and the second end cover are fixedly connected in sequence along the axial direction of a supercharger body;

a first mounting groove is formed in the inner side of the first end cover, and a first firing pin is movably arranged in the first mounting groove;

a second mounting groove is formed in the inner side of the second end cover, and a second firing pin is movably arranged in the second mounting groove.

Preferably, the first mounting groove is communicated with the driving cavity through a second connecting air path;

the second mounting groove is communicated with the driving cavity through a third connecting air path.

Preferably, the second mounting groove is also communicated with the driving air inlet through a fourth connecting air path.

Preferably, a supercharging air inlet and a supercharging air outlet are formed in the intermediate body, and the supercharging air inlet and the supercharging air outlet are communicated with the first supercharging chamber and the second supercharging chamber.

Preferably, a first one-way valve is arranged between the supercharging air inlet and the first and second supercharging chambers;

and second one-way valves are arranged between the supercharging air outlet and the first and second supercharging chambers.

Preferably, the piston unit includes: a piston rod arranged in an axial direction of the supercharger body;

the first piston is arranged in the first driving chamber, and is fixedly arranged at one side end part of the piston rod; and

a second piston disposed in the second drive chamber and fixedly mounted to the other side end of the piston rod.

One of the above technical solutions has the following advantages or beneficial effects: the utility model provides a double formula air supercharger, it is through adopting the action frequency and the output flow of switching-over valve unit in order to promote the booster for can satisfy customer's demand with the pressure boost twice of air, the automatic pressure compensation of booster simultaneously keeps pressure invariable, does not have extra energy consumption during the pressurize, environmental protection and energy saving, and need not any power, adopts gas drive, and no electric arc and spark are applicable to inflammable and explosive's gas place.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the drawings of the embodiments will be briefly described below, and it is obvious that the drawings in the following description only relate to some embodiments of the present invention, and are not intended to limit the present invention, wherein:

fig. 1 is a three-dimensional structural view of a double air supercharger according to an embodiment of the present invention;

fig. 2 is a three-dimensional structural view of another view angle of the double air supercharger according to an embodiment of the present invention;

fig. 3 is a front view of a double air supercharger according to an embodiment of the present invention;

fig. 4 isbase:Sub>A cross-sectional view taken alongbase:Sub>A-base:Sub>A of fig. 3 according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3 according to an embodiment of the present invention;

fig. 6 is a cross-sectional view taken along the direction C-C of fig. 3 according to an embodiment of the present invention;

fig. 7 is a plan view of a double air supercharger according to an embodiment of the present invention;

fig. 8 is a cross-sectional view taken along the direction D-D of fig. 7 according to an embodiment of the present invention;

fig. 9 is an exploded view of a reversing valve unit according to an embodiment of the present invention;

fig. 10 is a three-dimensional structural view of a valve seat according to an embodiment of the present invention;

FIG. 11 is a three-dimensional structural view of another perspective of a proposed valve seat according to an embodiment of the present invention;

fig. 12 is a perspective view of a proposed valve seat according to an embodiment of the present invention.

Description of reference numerals:

100. air supercharger

110. A supercharger body; 111. a first drive chamber; 112. a first plenum; 113. a second plenum; 114. a second drive chamber; 115. a first end cap; 1151. a first mounting groove; 116. a first cylinder; 117. an intermediate; 1171. a boost air inlet; 1172. a pressurized air outlet; 118. a second cylinder; 119. a second end cap; 1191. a second mounting groove; 1192. a first connecting gas path; 1193. third connecting gas circuit

120. A piston unit; 121. a piston rod; 122. a first piston; 123. a second piston;

130. a direction change valve unit; 131. a valve seat; 1311. a drive chamber; 1312. a drive gas inlet; 1313. a first drive gas outlet; 1314. a second drive gas outlet; 1315. a first exhaust port; 1316. a second exhaust port; 1317. a fourth connecting gas path; 132. a reversing valve sleeve; 1321. a first through hole; 1322. a second through hole; 1323. a third through hole; 1324. a fourth via hole; 133. a reversing valve core; 1331. an air outlet section; 13311. an air outlet cavity; 13312. an air outlet; 1332. a sealing section; 134. connecting a pipeline; 135. a second connecting gas path;

140. a first striker;

150. a second striker;

160. a first check valve;

170. a second one-way valve.

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.

In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc., are defined with respect to the configurations shown in the respective drawings, and in particular, "height" corresponds to a dimension from top to bottom, "width" corresponds to a dimension from left to right, "depth" corresponds to a dimension from front to rear, which are relative concepts, and thus may be varied accordingly depending on the position in which it is used, and thus these or other orientations should not be construed as limiting terms.

Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments, unless expressly described otherwise.

According to an embodiment of the present invention, as shown in fig. 1 to 12, it can be seen that the double air supercharger 100 includes: a supercharger body 110 having a hollow interior to form a supercharging chamber;

a piston unit 120 movably disposed within the plenum; and

a direction-changing valve unit 130 fixedly installed on the supercharger body 110, wherein the direction-changing valve unit 130 is communicated with the supercharging cavity;

the pressurizing cavity comprises a first driving chamber 111, a first pressurizing chamber 112, a second pressurizing chamber 113 and a second driving chamber 114 which are sequentially arranged along the axial direction;

the direction valve unit 130 includes: a valve seat 131 fixedly attached to the supercharger body 110;

the valve seat 131 is provided with a driving gas inlet 1312, a first driving gas outlet 1313, a second driving gas outlet 1314, a first exhaust port 1315 and a second exhaust port 1316;

the drive gas inlet 1312 communicates with an external pneumatic device, the first drive gas outlet 1313 communicates with the first drive chamber 111, the second drive gas outlet 1314 communicates with the second drive chamber 114, and the first exhaust port 1315 and the second exhaust port 1316 communicate with the atmosphere.

In an embodiment of the present invention, a driving cavity 1311 is disposed inside the valve seat 131, a reversing valve sleeve 132 is disposed in the driving cavity 1311, and a reversing valve core 133 is movably disposed in the reversing valve sleeve 132;

the reversing valve sleeve 132 is provided with a first through hole 1321, a second through hole 1322, a third through hole 1323 and a fourth through hole 1324, the first through hole 1321 is communicated with the first exhaust port 1315, the second through hole 1321 is communicated with the second driving air outlet 1314, the third through hole 1323 is communicated with the first driving air outlet 1313, and the fourth through hole 1324 is communicated with the second exhaust port 1316.

Further, the direction switching spool 133 includes: an air outlet section 1331; and

a sealing section 1332 extending from a surface of the air outlet section 1331 in a direction away from the air outlet section 1331;

an air outlet cavity 13311 is formed in the air outlet section 1331, and at least two air outlet holes 13312 are formed in the circumferential region of the air outlet cavity 13311;

under the action of air pressure, the reversing valve core 133 reciprocates along the axial direction thereof;

when the air outlet 13312 is communicated with the second through hole 1321, the third through hole 1323 and the fourth through hole 1324 are communicated with each other, air is delivered from the second through hole 1321 and the second driving air outlet 1314 to the second driving chamber 114 to drive the piston unit 120 to move, and meanwhile, air in the first driving chamber 111 is exhausted through the third through hole 1323, the fourth through hole 1324 and the second air outlet 1316,

when the air outlet 13312 is communicated with the third through hole 1323, the first through hole 1321 and the second through hole 1322 are communicated with each other, air is delivered from the third through hole 1323 and the first driving air outlet 1313 to the first driving chamber 111 to drive the piston unit 120 to move, and meanwhile, air in the second driving chamber 114 is exhausted through the first through hole 1321, the second through hole 1322 and the first exhaust 1315.

In an embodiment of the present invention, the first driving gas outlet 1313 is connected to the first driving chamber 111 through the connecting pipe 134;

the second driving gas outlet 1314 is communicated with the second driving chamber 114 through a first connecting gas path 1192.

Further, the supercharger body 110 includes: a first end cap 115, a first cylinder 116, an intermediate body 117, a second cylinder 118, and a second end cap 119, wherein the first end cap 115, the first cylinder 116, the intermediate body 117, the second cylinder 118, and the second end cap 119 are fixedly connected in sequence along the axial direction of the supercharger body 110;

a first mounting groove 1151 is formed in the inner side of the first end cover 115, and a first striker 140 is movably arranged in the first mounting groove 1151;

a second mounting groove 1191 is formed in the inner side of the second end cover 119, and a second striker 150 is movably disposed in the second mounting groove 1191.

In a preferred embodiment of the present invention, the first striker 140 and the second striker 150 are made of stainless steel.

Further, the piston unit 120 includes: a piston rod 121 disposed along an axial direction of the supercharger body 110;

a first piston 122 disposed in the first driving chamber 111, the first piston 122 being fixedly installed at one side end of the piston rod 121; and

a second piston 123 arranged in the second drive chamber 114, the second piston 123 being fixedly mounted to the other side end of the piston rod 121.

In a preferred embodiment of the present invention, a first driving chamber 111 is defined between the first piston 122 and the first end cap 115, a first pressurizing chamber 112 is defined between the first piston 122 and the middle body 117, a second pressurizing chamber 113 is defined between the second piston 123 and the middle body 117, and a second driving chamber 114 is defined between the second piston 123 and the second end cap 119.

Further, the first mounting groove 1151 is communicated with the driving cavity 1311 through a second connecting air passage 135;

the second mounting groove 1191 is communicated with the driving chamber 1311 through a third connecting air passage 1193.

Further, the second mounting groove 1191 is also communicated with the driving air inlet 1312 through a fourth connecting air passage 1317.

Further, a boost inlet 1171 and a boost outlet 1172 are formed in the middle body 117, and both the boost inlet 1171 and the boost outlet 1172 are communicated with the first plenum 112 and the second plenum 113.

In the preferred embodiment of the present invention, the pressurization inlet 1171 and the pressurization outlet 1172 are connected to an external air source device.

It will be appreciated that air enters the first plenum 112 and the second plenum 113 from the plenum inlet 1171, and exits through the plenum outlet 1172 after pressurization.

Further, a first check valve 160 is disposed between the boost inlet 1171 and the first and

second boost chambers

112 and 113;

a second check valve 170 is disposed between outlet plenum 1172 and each of first plenum 112 and second plenum 113.

In a preferred embodiment of the present invention, the first check valve 160 and the second check valve 170 are made of stainless steel.

It can be understood that the present invention provides the first check valve 160 and the second check valve 170 to make the gas only flow in one direction at the pressurized gas inlet 1171 and the pressurized gas outlet 1172, thereby preventing the gas flow from mixing.

To sum up, the air of the air source apparatus is divided into two paths, one path of the air enters the first pressurizing chamber 112 and the second pressurizing chamber 113 from the pressurizing air inlet 1171 and the first check valve 160, and the other path of the air enters the air outlet cavity 13311 from the driving air inlet 1312, at this time, the air outlet 13312 is communicated with the second through hole 1321, the third through hole 1323 is communicated with the fourth through hole 1324, the second through hole 1321, the second driving air outlet 1314 and the first connecting air path 1192 enter the second driving chamber 114 to push the first piston 122 and the second piston 123 to move from right to left, the air in the second pressurizing chamber 113 is pressurized and then discharged through the second check valve 170 and the pressurizing air outlet 1172, when the first piston 121 collides with the first striker 140 to push the first striker 140 to left, the air in the first driving chamber 111 is discharged through the third through hole 1323, the fourth through hole 1324 and the second exhaust port 1316, and the driving direction is switched;

at this time, the air outlet 13312 is communicated with the third through hole 1323, the first through hole 1321 is communicated with the second through hole 1322, the air enters the first driving chamber 111 from the third through hole 1323, the first driving air outlet 1313 and the connecting pipeline 134 to push the first piston 122 and the second piston 123 to move from left to right, the air in the first pressurizing chamber 111 is pressurized and then discharged through the second check valve 170 and the pressurized air outlet 1172, when the second piston 121 collides with the second striker 150 to push the second striker 150 to the right, the air in the second driving chamber 114 is discharged through the first through hole 1321, the second through hole 1322 and the first air outlet 1315, the driving direction is switched again, and one operation cycle is completed, so as to perform the reciprocating switching operation.

Along with the increase of the output pressure of the supercharger, the reciprocating speed of the piston is reduced until the piston stops, at the moment, the output pressure of the supercharger is constant, the energy consumption is lowest, and all parts stop working; no matter what cause the pressure drop of the pressure maintaining loop, the supercharger will start automatically to replenish the leakage pressure and maintain the loop pressure constant.

The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to all kinds of being fit for the utility model's field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims

1. A double-barreled air supercharger, comprising:

the supercharger body (110) is hollow inside to form a supercharging cavity;

a piston unit (120) movably arranged within the plenum; and

a direction-changing valve unit (130) which is fixedly mounted on the supercharger body (110), and the direction-changing valve unit (130) is communicated with the supercharging cavity;

the pressurizing cavity comprises a first driving chamber (111), a first pressurizing chamber (112), a second pressurizing chamber (113) and a second driving chamber (114) which are sequentially arranged along the axial direction;

the direction valve unit (130) comprises: a valve seat (131) fixedly attached to the supercharger body (110);

the valve seat (131) is provided with a driving gas inlet (1312), a first driving gas outlet (1313), a second driving gas outlet (1314), a first exhaust port (1315) and a second exhaust port (1316);

the drive gas inlet (1312) communicates with an external pneumatic device, the first drive gas outlet (1313) communicates with the first drive chamber (111), the second drive gas outlet (1314) communicates with the second drive chamber (114), and the first exhaust port (1315) and the second exhaust port (1316) communicate with the atmosphere.

2. The double-ended air supercharger of claim 1, wherein a driving cavity (1311) is formed in the valve seat (131), a reversing valve sleeve (132) is arranged in the driving cavity (1311), and a reversing valve core (133) is movably arranged in the reversing valve sleeve (132);

the reversing valve sleeve (132) is provided with a first through hole (1321), a second through hole (1322), a third through hole (1323) and a fourth through hole (1324), the first through hole (1321) is communicated with the first exhaust port (1315), the second through hole (1322) is communicated with the second driving gas outlet (1314), the third through hole (1323) is communicated with the first driving gas outlet (1313), and the fourth through hole (1324) is communicated with the second exhaust port (1316).

3. The double-barreled air supercharger of claim 2 wherein the reversing valve cartridge (133) comprises: an air outlet section (1331); and

a sealing section (1332) extending from a surface of the gas outlet section (1331) in a direction away from the gas outlet section (1331);

an air outlet cavity (13311) is formed in the air outlet section (1331), and at least two air outlet holes (13312) are formed in the circumferential region of the air outlet cavity (13311);

under the action of air pressure, the reversing valve core (133) reciprocates along the axial direction of the reversing valve core to communicate an air outlet hole (13312) with the second through hole (1322) and communicate the third through hole (1323) with the fourth through hole (1324); or

So as to communicate the air outlet hole (13312) with the third through hole (1323) and communicate the first through hole (1321) and the second through hole (1322) with each other.

4. The double-sided air supercharger of claim 1, characterized in that the first drive air outlet (1313) communicates with the first drive chamber (111) through a connecting line (134);

the second driving gas outlet (1314) is communicated with the second driving chamber (114) through a first connecting gas circuit (1192).

5. The double-sided air supercharger of claim 2, wherein the supercharger body (110) comprises: the turbocharger comprises a first end cover (115), a first cylinder barrel (116), an intermediate body (117), a second cylinder barrel (118) and a second end cover (119), wherein the first end cover (115), the first cylinder barrel (116), the intermediate body (117), the second cylinder barrel (118) and the second end cover (119) are fixedly connected in sequence along the axial direction of the turbocharger body (110);

a first mounting groove (1151) is formed in the inner side of the first end cover (115), and a first striker (140) is movably arranged in the first mounting groove (1151);

a second mounting groove (1191) is formed in the inner side of the second end cover (119), and a second striker (150) is movably arranged in the second mounting groove (1191).

6. The double-type air supercharger of claim 5, wherein the first mounting groove (1151) communicates with the driving chamber (1311) through a second connection air passage (135);

the second mounting groove (1191) is communicated with the driving cavity (1311) through a third connecting air passage (1193).

7. The double-type air supercharger of claim 5, wherein the second mounting groove (1191) is further communicated with the driving air inlet (1312) through a fourth connecting air passage (1317).

8. The double-walled air supercharger of claim 5 wherein the intermediate body (117) defines a boost inlet (1171) and a boost outlet (1172), the boost inlet (1171) and the boost outlet (1172) both being in communication with the first plenum (112) and the second plenum (113).

9. The double-sided air supercharger of claim 8, wherein a first one-way valve (160) is disposed between the boost air inlet (1171) and each of the first and second plenums (112, 113);

and a second one-way valve (170) is arranged between the pressurization air outlet (1172) and the first pressurization chamber (112) and the second pressurization chamber (113).

10. The double-sided air supercharger of claim 1, wherein the piston unit (120) includes: a piston rod (121) arranged in an axial direction of the supercharger body (110);

a first piston (122) disposed in the first driving chamber (111), the first piston (122) being fixedly mounted to one side end of the piston rod (121); and

a second piston (123) disposed within the second drive chamber (114), the second piston (123) being fixedly mounted to the other end of the piston rod (121).