CN208669473U - A kind of high-performance current stabilization pneumatic actuator - Google Patents

Abstract

The utility model discloses a kind of high-performance current stabilization pneumatic actuators, it is characterized by comprising executing agency, lower case, outer housing and inner housings, the top of the lower case is connected with the bottom of the outer housing, the executing agency includes executing bar, rubber membrane and spring, the rubber membrane to be installed on the junction of the outer housing and lower case；The top sidewall of the outer housing is equipped with the first air inlet pipe, and the air inlet of first air inlet pipe is towards right setting；The inner housing is open-topped hollow structure, and the inner housing is arranged in the inside of the outer housing, and the inner wall tight fit of the inner housing and the outer housing；The bottom of the inner housing is equipped with a through-hole, is equipped with the second air inlet pipe on the through-hole, and the bottom of second air inlet pipe is fixedly installed in the through-hole, and the air inlet of second air inlet pipe is towards left setting.The utility model improves the stability in use of pneumatic actuator, reduces costs.

Description

A kind of high-performance current stabilization pneumatic actuator

Technical field

The utility model relates to a kind of actuator more particularly to a kind of high-performance current stabilization pneumatic actuators.

Background technique

Turbocharger is actually a kind of air compressor, increases air inflow by compressed air.It is to utilize hair The exhaust gas inertia impulsive force of motivation discharge pushes the indoor turbine of turbine, and turbine drives coaxial impeller again, impeller force feed is by sky The air that air cleaner pipeline is sent is allowed to pressurization and enters cylinder.When engine speed increases, the exhaust gas velocity of discharge and turbine turn Speed is also synchronous to be increased, and impeller just compresses more air and enters cylinder, and pressure and the density increase of air can burn more Fuel increase accordingly fuel quantity and adjusts the revolving speed of engine, so that it may increase the output power of engine.

In the prior art, the exhaust gas of turbocharger reenters the menifold of engine, ordinary circumstance in order to guarantee into The stabilization of gas prevents the appearance for kicking vibration phenomenon, needs to increase on inlet manifold the stabilization that vacuum tank guarantees air inlet.But To increase vacuum tank, need to be laid out enging cabin again, cause it is many it is original can part be not available, need Other positions are remodified, it is very cumbersome, and can greatly increase cost.

Summary of the invention

The utility model aim is to provide a kind of high-performance current stabilization pneumatic actuator and improves gas by using the structure The service efficiency of dynamic actuator realizes current stabilization effect, prevents the generation for kicking vibration phenomenon.

In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of high-performance current stabilization pneumatic actuator, packet Executing agency, lower case, outer housing and inner housing are included, the top of the lower case is connected with the bottom of the outer housing, described Executing agency includes executing bar, rubber membrane and spring, the rubber membrane to be installed on the junction of the outer housing and lower case, institute One mounting plate of top for stating execution bar is butted on the bottom surface of the rubber membrane, and the bottom for executing bar passes through the lower case It is set to the bottom of the lower case, the spring pocket is set on the execution bar, and the installation is butted at the top of the spring On the bottom surface of plate, the bottom of the spring is butted on the bottom of the lower case；The top sidewall of the outer housing is equipped with first Air inlet pipe, the air inlet of first air inlet pipe is towards right setting；The inner housing is open-topped hollow structure, the inner casing Body is arranged in the inside of the outer housing, and the inner wall tight fit of the inner housing and the outer housing；The right side of the inner housing Side is equipped with notch, the first air inlet pipe of notch face setting；The bottom of the inner housing is equipped with a through-hole, pacifies on the through-hole Equipped with the second air inlet pipe, the bottom of second air inlet pipe is fixedly installed in the through-hole, the air inlet of second air inlet pipe Mouthful towards left setting.

In above-mentioned technical proposal, the rubber membrane makes the upper plenum of the outer housing Inner Constitution sealing；The inner housing Make the promotion cavity that sealing is constituted between the rubber membrane and the inner housing, the inner housing and bottom and the outer housing top The current stabilization cavity of sealing is constituted between portion.

In above-mentioned technical proposal, the middle part of the outer housing is raised equipped with an annular indent, outside the bottom of the inner housing Edge face is butted on the top outer edge surface of the annular indent protrusion.

In above-mentioned technical proposal, ring block with outward extension on the top outer edge surface of the lower case, the annular The inner edge surface of block is equipped with inwardly open annular groove, and the bottom outer-edge face of the outer housing is equipped with the annular of outside bending The outer edge surface of bending edges, the annular bending edges and the rubber membrane is arranged in the annular groove.

In above-mentioned technical proposal, the bottom surface of the rubber membrane outer rim is butted on the bottom surface of the annular groove inner wall, top surface It is butted on the bottom surface of the annular bending edges, the annular bending edges and the annular groove are by the outer rim face pressure of the rubber membrane It is tightly installed in the annular groove.

In above-mentioned technical proposal, spacing is equipped between the top of the inner housing and the top of the outer housing.

Since above-mentioned technical proposal is used, the utility model has the advantage that compared with prior art

1., in this way can be in rubber membrane by the way that outer housing and inner housing is arranged in the top of rubber membrane in the utility model Top constitutes two closed cavitys, and one is the cavity constituted between outer housing and inner housing, another be inner housing with The cavity constituted between rubber membrane, in use, unstable air-flow needs to first pass through the first air inlet pipe and enters Current stabilization is carried out in the cavity of inner housing, is then entered in the air between rubber membrane and inner housing and is pushed away by the second air inlet pipe again Dynamic rubber membrane is mobile, executes bar mobile working to drive, and air-flow stable in this way drives pneumatic actuator work, can prevent The generation for kicking vibration phenomenon, without being laid out again to enging cabin, is effectively dropped it is not necessary that vacuum tank is arranged on engine menifold Low cost.

Detailed description of the invention

Fig. 1 is the structural schematic diagram in the utility model embodiment one；

Fig. 2 is the partial enlarged view of Fig. 1.

Wherein: 1, lower case；2, outer housing；3, inner housing；4, bar is executed；5, rubber membrane；6, spring；7, mounting plate；8, First air inlet pipe；9, notch；10, through-hole；11, the second air inlet pipe；12, cavity is pushed；13, current stabilization cavity；14, concave-convex in annular It rises；15, ring block；16, annular groove；17, annular bending edges.

Specific embodiment

The utility model is further described with reference to the accompanying drawings and embodiments:

Embodiment one: ginseng as shown in FIGS. 1 and 2, a kind of high-performance current stabilization pneumatic actuator, including executing agency, lower case 1, Outer housing 2 and inner housing 3, the top of the lower case 1 are connected with the bottom of the outer housing 2, and the executing agency includes holding Row bar 4, rubber membrane 5 and spring 6, the rubber membrane 5 are installed on the junction of the outer housing 2 and lower case 1, the execution bar 4 one mounting plate 7 of top is butted on the bottom surface of the rubber membrane 5, and the bottom for executing bar 4 passes through the lower case 1 and sets It is placed in the bottom of the lower case 1, the spring 6 is sheathed on the execution bar 4, and the top of the spring 6 is butted on the peace On the bottom surface of loading board 7, the bottom of the spring 6 is butted on the bottom of the lower case 1；It is set in the top sidewall of the outer housing 2 There is the first air inlet pipe 8, the air inlet of first air inlet pipe 8 is towards right setting；The inner housing 3 is open-topped hollow knot Structure, the inner housing 3 are arranged in the inside of the outer housing 2, and the inner wall tight fit of the inner housing 3 and the outer housing 2； The right side of the inner housing 3 is equipped with notch 9,9 the first air inlet pipe of face 8 of notch setting；The bottom of the inner housing 3 is equipped with One through-hole 10, the second air inlet pipe 11 is equipped on the through-hole 10, and the bottom of second air inlet pipe 11 is fixedly installed in described In through-hole 10, the air inlet of second air inlet pipe 11 is towards left setting.

Wherein, the rubber membrane 5 makes the upper plenum of the outer housing Inner Constitution sealing；The inner housing 3 makes the rubber The promotion cavity 12 of sealing, the inner housing and bottom and the outer housing top are constituted between epithelium 5 and the inner housing 3 Between constitute the current stabilization cavity 13 of sealing.

In the present embodiment, between the top and outer housing of inner housing constitute a closed cavity, and rubber membrane with it is interior Also a closed air is constituted between shell, when in use, unstable air-flow enters inner housing from the first air inlet pipe In current stabilization cavity, then using current stabilization cavity to air-flow carry out a buffering current stabilization, then the gas after current stabilization pass through second into Tracheae enters in the promotion cavity above rubber membrane, pushes rubber membrane decline, is driven using the decline of rubber membrane and executes bar gram Work is stretched out in the elastic force decline for taking spring.The gas push executing agency work of current stabilization in this way, can prevent the hair for kicking vibration phenomenon It is raw, so there is no need to increase vacuum tank on engine suction manifold, without being changed to enging cabin, can reduce into This.

Wherein, the ball hole of the first air inlet pipe and the air inlet of the second air inlet pipe are disposed opposite to each other, and can give shakiness in this way Determine air-flow buffer time in the cavity of inner housing, guarantees steady flow result.Wherein, when inner housing is installed, riveting is directly utilized It presses technique by inside inner housing riveting to outer housing, makes inner housing and outer housing tight fit, be not in gap, it is existing to reduce gas leakage The generation of elephant.

Shown in Figure 1, the middle part of the outer housing 2 is equipped with an annular indent protrusion 14, outside the bottom of the inner housing Edge face is butted on the top outer edge surface of the annular indent protrusion.Annular internal projection is arranged on the inner wall of outer housing, passes through ring The setting of shape indent protrusion can carry out a limit to inner housing, be further ensured that the fastness and close of inner housing installation Seal effect.

Ring block 15 with outward extension on the top outer edge surface of the lower case 1, the inner edge surface of the ring block 15 It is equipped with inwardly open annular groove 16, the bottom outer-edge face of the outer housing 2 is equipped with the annular bending edges of outside bending 17, the annular bending edges and the outer edge surface of the rubber membrane are arranged in the annular groove.

The bottom surface of the rubber membrane outer rim is butted on the bottom surface of the annular groove inner wall, and top surface is butted on the annular bending On the bottom surface on side, the outer edge surface of the rubber membrane is compressed and is installed on the annular by the annular bending edges and the annular groove In groove.

By the setting of ring block and annular groove, it is convenient for the installation of outer housing and rubber membrane in this way, simultaneously as rubber Film has elasticity, can also have the function of sealing, guarantees sealing effect.

Wherein, spacing is equipped between the top of the inner housing and the top of the outer housing.

Claims (6)

1. a kind of high-performance current stabilization pneumatic actuator, it is characterised in that: including executing agency, lower case, outer housing and inner housing, The top of the lower case is connected with the bottom of the outer housing, and the executing agency includes executing bar, rubber membrane and spring, institute The junction that rubber membrane is installed on the outer housing and lower case is stated, one mounting plate of top for executing bar is butted on the rubber On the bottom surface of epithelium, the bottom for executing bar passes through the bottom that the lower case is set to the lower case, the spring pocket It on the execution bar, is butted at the top of the spring on the bottom surface of the mounting plate, the bottom of the spring is butted on described The bottom of lower case；The top sidewall of the outer housing is equipped with the first air inlet pipe, and the air inlet of first air inlet pipe is towards the right side Setting；The inner housing is open-topped hollow structure, and the inner housing is arranged in the inside of the outer housing, and described interior The inner wall tight fit of shell and the outer housing；The right side of the inner housing is equipped with notch, first air inlet pipe of notch face Setting；The bottom of the inner housing is equipped with a through-hole, is equipped with the second air inlet pipe, the bottom of second air inlet pipe on the through-hole Portion is fixedly installed in the through-hole, and the air inlet of second air inlet pipe is towards left setting.

2. high-performance current stabilization pneumatic actuator according to claim 1, it is characterised in that: the rubber membrane makes the shell The upper plenum of body Inner Constitution sealing；The inner housing keeps the promotion for constituting sealing between the rubber membrane and the inner housing empty The current stabilization cavity of sealing is constituted between at the top of chamber, the inner housing and bottom and the outer housing.

3. high-performance current stabilization pneumatic actuator according to claim 1, it is characterised in that: the middle part of the outer housing is equipped with One annular indent protrusion, the bottom outer-edge face of the inner housing are butted on the top outer edge surface of the annular indent protrusion.

4. high-performance current stabilization pneumatic actuator according to claim 1, it is characterised in that: the top outer rim of the lower case The inner edge surface of ring block with outward extension on face, the ring block is equipped with inwardly open annular groove, the shell The bottom outer-edge face of body is equipped with the annular bending edges of outside bending, the outer edge surface card of the annular bending edges and the rubber membrane In the annular groove.

5. high-performance current stabilization pneumatic actuator according to claim 4, it is characterised in that: the bottom surface of the rubber membrane outer rim Be butted on the bottom surface of the annular groove inner wall, top surface is butted on the bottom surface of the annular bending edges, the annular bending edges with The outer edge surface compression of the rubber membrane is installed in the annular groove by the annular groove.

6. high-performance current stabilization pneumatic actuator according to claim 1, it is characterised in that: the top of the inner housing and institute It states and is equipped with spacing between the top of outer housing.