CN214464539U

CN214464539U - Improved control structure for supercharger

Info

Publication number: CN214464539U
Application number: CN202023169169.XU
Authority: CN
Inventors: 王利娟; 姚梦云
Original assignee: NINGBO WEIFU TIANLI TURBOCHARGING TECHNOLOGY CO LTD
Current assignee: NINGBO WEIFU TIANLI TURBOCHARGING TECHNOLOGY CO LTD
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-10-22
Anticipated expiration: 2030-12-25

Abstract

An improved control structure for a supercharger comprises a turbine box, wherein an air channel is arranged on the turbine box, an installation seat is arranged on the turbine box, and a crank control assembly is arranged in the installation seat; the crank control assembly comprises a bushing arranged in the mounting seat, a rotating shaft is arranged in the bushing, one end of the rotating shaft, which is positioned in the air channel, extends out of the bushing and extends into a crank, and a cover plate is arranged on the crank; a first groove is formed in the inner side wall of the mounting seat, a second groove is formed in the outer side wall of the rotating shaft, sealing rings are arranged in the first groove and the second groove, and the depth of the sealing rings entering the grooves is smaller than that of the grooves, so that gaps are formed at the bottoms of the grooves; the sealing ring is provided with a split. The utility model discloses a change of structure, noise abatement that can be fine can cut off high-temperature gas, and compact structure and safe and reliable have improved linkage crank assembly's practical life.

Description

Improved control structure for supercharger

Technical Field

The utility model belongs to the technical field of turbo charging, concretely relates to improved generation control structure for in booster.

Background

At present, in order to reduce oil consumption of an automobile and improve the dynamic property of the automobile, a turbocharger is generally adopted to improve the power of an engine, for example, a traditional small-displacement engine adopts a turbocharging technology to achieve the dynamic property of a large-displacement natural air intake engine, and the turbocharging technology utilizes the exhaust energy after combustion of the engine to do work to push a turbine to rotate at a high speed so as to compress fresh air, so that the air intake amount is increased, and the dynamic property of the engine is improved. The turbocharger belongs to a typical rotating machine, two ends of the same rotating shaft are connected with a turbine and an impeller, the turbine uses the energy of exhaust gas exhausted by an engine to do work through expansion, the impeller is driven to compress more fresh air to be supplied to the engine, and the dynamic property and the economical efficiency of the engine are improved.

Among the turbo charger of using at present, its control structure adopts linkage crank subassembly, generally includes linkage crank, bush, valve plate etc. all adopts clearance fit between gassing crank and the bush, when turbo charger relief valve opened, because the existence in clearance leads to bush department to produce the leakage noise, and high-temperature gas also causes the influence to the life of bush easily to cause the customer to complain, product experience is poor.

Accordingly, the present application contemplates further designs and improvements in control structures for use in a supercharger that address some of the above deficiencies.

SUMMERY OF THE UTILITY MODEL

To not enough among the above prior art, the utility model aims at providing an improved generation control structure for in booster, through the change of structure, noise abatement that can be fine can cut off high-temperature gas, compact structure and safe and reliable have improved linkage crank assembly's practical life.

In order to solve the above technical problem, the present invention solves the above technical problems.

An improved control structure for a supercharger comprises a turbine box, wherein an air channel is arranged on the turbine box, an installation seat is arranged on the turbine box, and a crank control assembly is arranged in the installation seat; the crank control assembly comprises a bushing arranged in the mounting seat, a rotating shaft is arranged in the bushing, one end of the rotating shaft, which is positioned in the air channel, extends out of the bushing and extends into a crank, and a cover plate is arranged on the crank; a first groove is formed in the inner side wall of the mounting seat, a second groove is formed in the outer side wall of the rotating shaft, sealing rings are arranged in the first groove and the second groove, and the depth of the sealing rings entering the first groove is smaller than that of the first groove, so that a gap is formed at the bottom of the first groove; the depth of the sealing ring entering the second groove is smaller than that of the second groove, so that a gap is formed at the bottom of the second groove; the sealing ring is provided with a split.

When the existing turbocharger is used, when a release valve is opened, high-temperature gas can flow out of the gap at the position of the bushing rapidly due to the existence of the gap, noise is generated, and the service life of the bushing is also shortened due to the high-temperature gas. In the application, be provided with first recess and second recess on the bearing seal cover, be equipped with the sealing ring in first recess and the second recess, the bottom of recess has the space, be equipped with the breach on the sealing ring, these structures can form labyrinth structure, high-temperature gas gets into the back with high velocity of flow, the breach of flowing through the throttle slot (on the sealing ring), reentrant labyrinth chamber (the space of recess bottom) expand, the velocity energy that the consumption gas that can be fine flows through the slot formation, so produce the resistance through throttle many times and inflation, prevent gaseous outside leakage, thereby reach sealed purpose, simultaneously gas temperature descends, the noise reduces.

In a preferred embodiment, the outer end of the rotating shaft extends out of the bushing, a connecting plate is arranged on the end portion of the bushing, a connector is arranged on the other side of the connecting plate and used for being connected with an external actuator, and the connector is driven by the actuator during operation to further drive the rotating shaft to rotate so as to open and close the cover plate.

In a preferred embodiment, a spring is arranged between the cover plate and the mounting seat, and the spring is sleeved outside the bushing. In this structure, the spring provides elasticity, increases the sealed effect of bush terminal surface, reduces and lets out leakage quantity, has improved leakage noise greatly.

In a preferred embodiment, the first groove and the second groove are both arranged at positions close to the air channel, so that high-temperature air can be cooled and noise can be reduced most efficiently.

In a preferred embodiment, the number of the first grooves is two, and the number of the second grooves is two, so that the effect is good, and the cost is low.

Compared with the prior art, the utility model discloses following beneficial effect has: the application provides an improved generation control structure for in booster, through the change of structure, noise abatement that can be fine can cut off high-temperature gas, compact structure and safe and reliable have improved linkage crank assembly's practical life.

Drawings

Fig. 1 is a first perspective view of a turbocharger configuration in the present application.

Fig. 2 is a second perspective view of the turbocharger structure in the present application.

Fig. 3 is a sectional view of a turbocharger structure in the present application.

Fig. 4 is an enlarged view of the area a in fig. 3.

Fig. 5 is an enlarged view of the region B in fig. 4.

Fig. 6 is a perspective view of a crank control assembly of the present application.

Fig. 7 is a perspective view of a seal ring in the present application.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not construed as limiting the present invention, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

In the description of the present invention, it should be understood that the term: the center, vertically, transversely, length, width, thickness, upper and lower, preceding, back, left and right, vertical, level, top, end, inside and outside, clockwise, anticlockwise etc. indicate position or positional relationship for based on the position or positional relationship that the drawing shows, just for the convenience of description the utility model discloses and simplified description, consequently can not be understood as the restriction of the utility model. Furthermore, the terms: first, second, etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features shown. In the description of the present invention, unless explicitly stated or limited otherwise, the terms: mounting, connecting, etc. should be understood broadly, and those skilled in the art will understand the specific meaning of the terms in this application as they pertain to the particular situation.

Referring to fig. 1 to 7, the present application relates to an improved control structure for a supercharger, which includes a turbine box 11, an air passage 12 is provided on the turbine box 11, an installation seat 15 is provided on the turbine box 11, and a crank control assembly is provided in the installation seat 15; the crank control assembly comprises a bushing 21 installed in the installation seat 15, a rotating shaft 27 is arranged in the bushing 21, one end of the rotating shaft 27 located in the air channel 12 extends out of the bushing 21 and extends to form a crank 22, and a cover plate 23 is arranged on the crank 22; a first groove 151 is formed in the inner side wall of the mounting seat 15, a second groove 271 is formed in the outer side wall of the rotating shaft 27, sealing rings 4 are arranged in the first groove 151 and the second groove 271, and the depth of the sealing rings 4 entering the first groove 151 is smaller than that of the first groove 151, so that a gap is formed at the bottom of the first groove 151; the depth of the sealing ring 4 entering the second groove 271 is less than that of the second groove 271, so that the bottom of the second groove 271 is provided with a gap; the sealing ring 4 is provided with a split 41.

Specifically, in the present application, the first groove 151 and the second groove 271 are both disposed at positions close to the air passage 12, so that the high-temperature gas can be cooled and noise reduced most efficiently. Preferably, the number of the first grooves 151 is two, and the number of the second grooves 271 is two, so that the effect is good, and the cost is low.

When the existing turbocharger is used, when a release valve is opened, high-temperature gas can flow out of the gap at the position of the bushing rapidly due to the existence of the gap, noise is generated, and the service life of the bushing is also shortened due to the high-temperature gas. In the application, be provided with first recess 151 and second recess 271 on the bearing seal cover, be equipped with the sealing ring in first recess 151 and the second recess 271, the bottom of recess has the space, be equipped with breach 41 on the sealing ring 4, these structures can form labyrinth structure, high-temperature gas gets into the back with high velocity of flow, the breach of flowing through the throttle slot (on the sealing ring), reentrant labyrinth chamber (the space of recess bottom) expand, the velocity energy that the gas that can be fine flows through the slot formation, so produce the resistance through throttle and inflation many times, prevent gaseous outside leakage, thereby reach sealed purpose, simultaneously gas temperature descends, the noise reduces.

In addition, in this application, the outer end of pivot 27 stretches out bush 21 is equipped with connecting plate 25 on this tip, the opposite side of connecting plate 25 is equipped with connector 26, and connector 26 is used for connecting on the executor of outside, and the executor during operation drives connector 26, and then drives pivot 27 and rotates, realizes opening and closing of apron 23.

In the present application, a spring 24 is disposed between the cover plate 23 and the mounting seat 15, and the spring 24 is sleeved outside the bushing 21. In this structure, spring 24 provides elasticity, increases the sealed effect of bush terminal surface, reduces to let out leakage quantity, has improved greatly and has leaked the noise.

It is above, the utility model provides an improved generation control structure for in booster, through the change of structure, noise abatement that can be fine can cut off high-temperature gas, compact structure and safe and reliable have improved linkage crank assembly's practical life.

The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any replacement, deformation, and improvement that can be easily conceived by those skilled in the art made by the present technology all fall into the protection scope of the present invention.

Claims

1. An improved control structure for a supercharger comprises a turbine box (11), and is characterized in that an air channel (12) is arranged on the turbine box (11), an installation seat (15) is arranged on the turbine box (11), and a crank control assembly is arranged in the installation seat (15);

the crank control assembly comprises a bushing (21) installed in a mounting seat (15), a rotating shaft (27) is arranged in the bushing (21), one end, located in the air channel (12), of the rotating shaft (27) extends out of the bushing (21) and extends to form a crank (22), and a cover plate (23) is arranged on the crank (22);

a first groove (151) is formed in the inner side wall of the mounting seat (15), a second groove (271) is formed in the outer side wall of the rotating shaft (27), sealing rings (4) are arranged in the first groove (151) and the second groove (271), and the depth of the sealing rings (4) entering the first groove (151) is smaller than that of the first groove (151), so that a gap is formed at the bottom of the first groove (151); the depth of the sealing ring (4) entering the second groove (271) is smaller than that of the second groove (271), so that the bottom of the second groove (271) is provided with a gap; the sealing ring (4) is provided with a split (41).

2. An improved control structure for supercharger according to claim 1, characterized in that the outer end of the rotating shaft (27) extends out of the bushing (21), and the end is provided with a connecting plate (25), and the other side of the connecting plate (25) is provided with a connecting head (26).

3. An improved control structure for use in a supercharger according to claim 2, characterised in that a spring (24) is provided between the cover plate (23) and the mounting seat (15), the spring (24) being fitted over the outside of the bushing (21).

4. An improved control structure for use in a supercharger according to claim 1, wherein the first groove (151) and the second groove (271) are provided at positions close to the air passage (12).

5. An improved control structure for use in a supercharger according to claim 4 wherein the first grooves (151) are two in number and the second grooves (271) are two in number.