CN211082047U

CN211082047U - Supercharger actuator with split combined structure

Info

Publication number: CN211082047U
Application number: CN201921361645.2U
Authority: CN
Inventors: 程显东; 周康; 王田
Original assignee: Fengcheng Dongning Power Co ltd
Current assignee: Fengcheng Dongning Power Co ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-07-24
Anticipated expiration: 2029-08-21

Abstract

The utility model relates to the technical field of turbochargers, in particular to a supercharger actuator with a split combined structure, which comprises an actuator and a bypass valve, wherein the actuator comprises a valve frame, an upper valve body and a lower valve body, the valve frame is fixedly arranged on a compressor shell, the center of the valve frame is provided with a hole, a pull rod passes through the hole, one end of the pull rod is fixedly provided with a limit sleeve, the other end of the pull rod is connected with one end of a connecting rod through a rotating shaft, the other end of the connecting rod is fixedly connected with the bypass valve, and the bypass; the lower limiting sleeve of the hollow cylinder is fixed at the bottom of the lower valve body, the spring is sleeved on the pull rod, one end of the spring is sleeved outside the lower limiting sleeve in a clamping mode, and the other end of the spring is propped against by the upper limiting sleeve; the smaller end of the upper valve body is provided with a valve nozzle which is connected with the air outlet of the air compressor; the middle of the upper valve body and the lower valve body are jointed by a pneumatic diaphragm. The utility model discloses decompose the executor, only change during the change outside annex can. The actuator matched with different machine types can be automatically replaced, the application range is wide, time and labor are saved during maintenance, and manpower and financial resources are saved.

Description

Supercharger actuator with split combined structure

Technical Field

The utility model relates to a turbo charger technical field, in particular to components of a whole that can function independently integrated configuration booster executor.

Background

After turbo charger used a certain time, because engine and booster operating mode influence, cause the inside carbon deposit of booster too much, the complete oil granule of unburnt mixes with the carbon granule, including the reason of a great deal of aspects such as lubricating oil uncleanness for the bleeder valve blocks, can not normally open or open in advance when reaching extreme pressure value, can cause the booster to burn the axle, pressure control annex coking or booster pressure not enough, seriously influences the normal use and the performance of booster. The traditional actuator is of an integrated structure, and the actuator needs to be integrally detached during maintenance, so that the traditional actuator is extremely time-consuming and inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a components of a whole that can function independently integrated configuration booster executor. The actuator is disassembled, and only the external accessories are replaced when the actuator is replaced.

The specific technical scheme is as follows:

A supercharger actuator with a split combined structure is of a decomposition structure and comprises an actuator and a bypass valve, wherein the actuator comprises a valve frame, an upper valve body and a lower valve body, the valve frame is fixedly arranged on a compressor shell, a hole is formed in the center of the valve frame, a pull rod penetrates through the hole, one end of the pull rod is fixedly provided with an upper limiting sleeve, the other end of the pull rod is connected with one end shaft of a connecting rod through a rotating shaft, the other end of the connecting rod is fixedly connected with the bypass valve, and the bypass valve is arranged outside an exhaust; the lower valve body is of a cylindrical structure, a lower limiting sleeve of a hollow cylinder is fixed at the bottom of the lower valve body, the spring is sleeved on the pull rod, one end of the spring is sleeved outside the lower limiting sleeve in a clamping mode, and the other end of the spring is propped against by the upper limiting sleeve; the upper valve body is of a gradually enlarged structure, and the maximum diameter position is equal to the diameter of the lower valve body; a valve nozzle is arranged at the smaller end of the upper valve body and is connected with an air outlet of the air compressor; the middle of the upper valve body and the middle of the lower valve body are attached by a pneumatic diaphragm, and the pneumatic diaphragm is fixed outside the upper limit sleeve.

The bypass valve has a diameter greater than a diameter of the exhaust port.

The pressure range of the spring can be measured in advance before installation, and different actuators are selected according to different pressure value working conditions.

And stroke adjusting nuts are arranged at one end of the pull rod close to the rotating shaft and on the inner side of the rotating shaft.

Compared with the prior art, the utility model discloses following beneficial technological effect has:

(1) The utility model discloses decompose the executor, only change during the change outside annex can. Under the working condition of a certain pressure value, the range of the pressure of the spring is measured, so that the actuator can be automatically replaced for different types of machines, the application range is wide, the maintenance is time-saving and labor-saving, and the manpower and financial resources are saved.

(2) The utility model discloses can realize automatically regulated, when compressor exit pressure surpassed the limit value, the pressure of the pneumatic diaphragm of inside spring conflict was overcome to boost pressure to the spring compression promotes the pull rod, drives the connecting rod swing through the pivot, thereby opens the bypass valve, makes the partial exhaust not through the turbine but directly discharge in the atmosphere, alleviates the exhaust pressure, thereby control turbine rotational speed and boost pressure.

(3) The utility model discloses the pull rod is close to pivot one end, the inboard installation adjustment stroke nut of pivot, makes the injecing to bypass valve swing maximum position, guarantees the normal playback of bypass valve.

Drawings

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

3 FIG. 3 2 3 is 3 a 3 cross 3- 3 sectional 3 view 3 of 3 the 3 A 3- 3 A 3 plane 3 of 3 the 3 actuator 3 of 3 the 3 present 3 invention 3; 3

FIG. 3 is a schematic view of the bypass valve operating position when the outlet pressure of the supercharger compressor of the actuator of the present invention is lower than the limit value;

Fig. 4 is a schematic diagram of the working position of the bypass valve when the outlet pressure of the supercharger compressor of the actuator of the present invention is higher than the limit value.

In the figure, 1-valve mouth; 2-an upper valve body; 3-lower valve body; 4-a spring; 5, a pneumatic diaphragm; 6-upper limiting sleeve; 7-lower limit sleeve; 8, a valve frame; 9-a pull rod; 10-adjusting a travel nut; 11-a rotating shaft; 12-a connecting rod; 13-a bypass valve; 14-volute.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings, but the scope of the present invention is not limited to the accompanying drawings.

3 fig. 3 1 3 is 3 the 3 structural 3 schematic 3 diagram 3 of 3 the 3 actuator 3 of 3 the 3 present 3

invention

3, 3 fig. 3 2 3 is 3 a 3 sectional 3 view 3 of 3 a 3- 3 a 3 surface 3 of 3 the 3 actuator 3 of 3 the 3 present 3

invention

3, 3 as 3 shown 3 in 3 the 3 figure 3: 3

The utility model discloses components of a whole that can function independently integrated configuration booster executor is decomposition structure, including executor and bypass valve 13, the executor includes valve frame 8, upper valve body 2 and lower valve body 3, valve frame 8 fixed mounting is on compressor housing, the central trompil of valve frame 8, pull rod 9 passes this hole, and 9 one end of pull rod are fixed with stop collar 6, and the other end is connected with one end shaft of connecting rod 12 through pivot 11, and the other end of connecting rod 12 is fixed with bypass valve 13, and bypass valve 13 is installed outside the gas vent of spiral case 14; the lower valve body 3 is of a cylindrical structure, a lower limiting sleeve 7 of a hollow cylinder is fixed at the bottom of the lower valve body, the spring 4 is sleeved on the pull rod 9, one end of the spring 4 is sleeved outside the lower limiting sleeve 7 in a clamping mode, and the other end of the spring is propped against by the upper limiting sleeve 6; the upper valve body 2 is of a gradually enlarged structure, and the maximum diameter position is equal to the diameter of the lower valve body 3; the smaller end of the upper valve body 2 is provided with a valve nozzle 1 which is connected with an air outlet of the air compressor; go up the valve body 2 and laminate by pneumatic diaphragm 5 in the middle of the valve body 3 down, pneumatic diaphragm 5 is fixed in last stop collar 6 outsidely.

The bypass valve 13 has a diameter larger than that of the exhaust port.

The pressure range of the spring 4 can be measured in advance before installation, and different actuators are selected according to different pressure value working conditions.

And a stroke adjusting nut 10 is arranged at one end of the pull rod 9 close to the rotating shaft 11 and on the inner side of the rotating shaft.

Fig. 3 is the schematic diagram of the working position of the bypass valve during the outlet pressure of the supercharger compressor of the actuator, as shown in the figure: when the supercharger compressor outlet pressure, i.e. the boost pressure, is below a limit value, the exhaust bypass valve 13 remains closed.

Fig. 4 is the schematic diagram of the working position of the bypass valve when the outlet pressure of the supercharger compressor of the actuator is higher than the limit value, as shown in the figure: when the outlet pressure of the compressor exceeds a limit value, the boost pressure overcomes the pressure of the internal spring against the pneumatic diaphragm 5, so that the spring 4 is compressed, the pull rod 9 is pushed, the connecting rod 12 is driven to swing through the rotating shaft 11, the bypass valve 13 is opened, partial exhaust gas is directly discharged into the atmosphere instead of passing through the turbine, the exhaust gas pressure is relieved, and the rotating speed and the boost pressure of the turbine are controlled.

Claims

1. The utility model provides a components of a whole that can function independently integrated configuration booster executor which characterized in that: the actuator is of a decomposition structure and comprises an actuator and a bypass valve, the actuator comprises a valve frame, an upper valve body and a lower valve body, the valve frame is fixedly arranged on the compressor shell, a hole is formed in the center of the valve frame, a pull rod penetrates through the hole, an upper limiting sleeve is fixed at one end of the pull rod, the other end of the pull rod is connected with one end shaft of a connecting rod through a rotating shaft, the other end of the connecting rod is fixedly connected with the bypass valve, and the bypass valve is arranged outside an exhaust; the lower valve body is of a cylindrical structure, a lower limiting sleeve of a hollow cylinder is fixed at the bottom of the lower valve body, the spring is sleeved on the pull rod, one end of the spring is sleeved outside the lower limiting sleeve in a clamping mode, and the other end of the spring is propped against by the upper limiting sleeve; the upper valve body is of a gradually enlarged structure, and the maximum diameter position is equal to the diameter of the lower valve body; a valve nozzle is arranged at the smaller end of the upper valve body and is connected with an air outlet of the air compressor; the middle of the upper valve body and the middle of the lower valve body are attached by a pneumatic diaphragm, and the pneumatic diaphragm is fixed outside the upper limit sleeve.

2. The split compound supercharger actuator of claim 1, wherein: the bypass valve has a diameter greater than a diameter of the exhaust port.

3. The split compound supercharger actuator of claim 1, wherein: the pressure range of the spring can be measured in advance before installation, and different actuators are selected according to different pressure value working conditions.

4. The split compound supercharger actuator of claim 1, wherein: and stroke adjusting nuts are arranged at one end of the pull rod close to the rotating shaft and on the inner side of the rotating shaft.