CN215245567U

CN215245567U - Airplane power steering gear with unloading valve

Info

Publication number: CN215245567U
Application number: CN202120022820.6U
Authority: CN
Inventors: 周飞; 田苗苗
Original assignee: Nanjing Ronald Defense Equipment Co ltd
Current assignee: Nanjing Ronald Defense Equipment Co ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-12-21
Anticipated expiration: 2031-01-06

Abstract

The utility model belongs to the steering gear field, concretely relates to aircraft power steering with off-load valve, including the steering gear, the fixed connector that has cup jointed in the inside of steering gear, the outside joint of connector has the fixed port, the upper end fixedly connected with off-load valve of fixed port, the lower extreme fixedly connected with valve port of off-load valve, fixedly connected with sealed tube in the connector, sealed tube with the valve port contact is connected, the inside of connector bonds and has the seal cover, the annular has been seted up on the fixed port, the articulated frame of two symmetric distributions of the upper end fixedly connected with of steering gear, the outside of articulated frame articulates there is the dead lever. The utility model discloses an add on the steering gear and establish dead lever, fixture block and bracing piece isotructure, carry out the joint with the annular in the fixed mouthful outside to can conveniently dismantle it and install when overhauing the load valve, can save repair time.

Description

Airplane power steering gear with unloading valve

Technical Field

The utility model relates to a steering gear technical field specifically is an aircraft power steering gear with off-load valve.

Background

The steering gear is commonly called a steering gear and a steering gear, and is the most important part in a steering system. The steering wheel has the functions of increasing the force transmitted to the steering transmission mechanism by the steering wheel and changing the transmission direction of the force. Currently, steering gears are commercially available and are divided into Hydraulic (HPS) (P-HPS), electric steering gear type electric pipe columns (C-EPS), worm and gear type (P-EPS), double gear type (DP-EPS) and rack and screw type (RP-EPS). The steering gear used by the airplane is mostly a hydraulic steering gear and needs to be matched with an unloading valve for use.

When the unloading valve of the airplane power steering gear in the prior art is used, the pressure borne by the steering gear is too high when the airplane steers at high altitude, so that hydraulic oil is easy to leak at the joint of the unloading valve and the steering gear, the steering pressure is insufficient, the steering cannot be realized at the air, and the unloading valve is not convenient to overhaul when being disassembled and overhauled daily. Accordingly, there is a need for improvements in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aircraft power steering with off-load valve has solved the not good and not convenient to install problem of off-load valve seal effect.

In order to achieve the above object, the utility model provides a following technical scheme: an aircraft power steering gear with an unloading valve comprises a steering gear, a connecting port is fixedly sleeved in the steering gear, a fixed port is clamped at the outer side of the connecting port, the upper end of the fixed port is fixedly connected with an unloading valve, the lower end of the unloading valve is fixedly connected with a valve port, a sealing pipe is fixedly connected in the connecting port, the sealing pipe is in contact connection with the valve port, a sealing sleeve is bonded inside the connecting port, a ring groove is formed on the fixing port, the upper end of the steering gear is fixedly connected with two hinge brackets which are symmetrically distributed, the outer sides of the hinge brackets are hinged with fixed rods, the inner side of the fixed rod is fixedly connected with a clamping block, the outer side of the fixed rod is fixedly connected with a baffle plate, the steering gear is characterized in that two symmetrically-distributed supporting cylinders are fixedly connected to the upper end of the steering gear, supporting rods are slidably connected to the inside of the supporting cylinders, and springs are arranged inside the supporting cylinders.

Preferably, the sealing sleeve is in contact connection with the valve port, and the sealing sleeve is made of a rubber material.

Preferably, the clamping block is clamped with the annular groove, and one end of the clamping block, which is close to the annular groove, is circular.

Preferably, the support rod is provided with an inclined surface, and the inclined surface is in contact connection with the baffle.

Preferably, one end of the spring is fixedly connected with the support rod, and the other end of the spring is fixedly connected with the support cylinder.

Preferably, a limiting ring is fixedly sleeved in the supporting cylinder, and the inner side of the limiting ring is connected with the outer side of the supporting rod in a sliding manner.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an add on the steering gear and establish dead lever, fixture block and bracing piece isotructure, carry out the joint with the annular in the fixed mouthful outside to can conveniently dismantle it and install when overhauing the load valve, can save repair time.

2. The utility model discloses an add in the connector and establish seal cover and sealed tube isotructure for the connector can form a plurality of contact surfaces through seal cover and sealed tube when being connected with the valve port, thereby can be so that can not take place to leak behind the increase of internal pressure.

Drawings

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

fig. 2 is an enlarged view of the structure of part a of fig. 1 according to the present invention;

fig. 3 is an enlarged view of the structure of part B of fig. 1 according to the present invention;

fig. 4 is a cross-sectional view of the support cylinder of fig. 3 according to the present invention.

In the figure: 1. a diverter; 2. a connecting port; 3. a fixed port; 4. an unloading valve; 5. a valve port; 6. a sealing tube; 7. sealing sleeves; 8. a ring groove; 9. a hinged frame; 10. fixing the rod; 11. a baffle plate; 12. a support cylinder; 13. a support bar; 14. a bevel; 15. a spring; 16. a limiting ring; 17. and (7) clamping blocks.

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.

Examples

Referring to fig. 1-4, an aircraft power steering gear with an unloading valve comprises a steering gear 1, a connecting port 2 is fixedly sleeved inside the steering gear 1, a fixing port 3 is clamped outside the connecting port 2, the unloading valve 4 is fixedly connected at the upper end of the fixing port 3, a valve port 5 is fixedly connected at the lower end of the unloading valve 4, a sealing tube 6 is fixedly connected inside the connecting port 2, the sealing tube 6 is in contact connection with the valve port 5, a sealing sleeve 7 is bonded inside the connecting port 2, a ring groove 8 is formed on the fixing port 3, two symmetrically-distributed hinge brackets 9 are fixedly connected at the upper end of the steering gear 1, a fixing rod 10 is hinged outside the hinge brackets 9, a clamping block 17 is fixedly connected inside the fixing rod 10, a baffle 11 is fixedly connected outside the fixing rod 10, two symmetrically-distributed support cylinders 12 are fixedly connected at the upper end of the steering gear 1, and a support rod 13 is slidably connected inside the support cylinders 12, the support cylinder 12 is provided with a spring 15 inside.

Referring to fig. 2, the sealing sleeve 7 is in contact connection with the valve port 5, and the sealing sleeve 7 is made of rubber material, and the rubber material has certain elasticity and good sealing effect.

Referring to fig. 3, the latch 17 is engaged with the annular groove 8, and one end of the latch 17 close to the annular groove 8 is circular, so that the latch 17 can slide into the annular groove 8 conveniently due to the circular design.

Referring to fig. 3, the supporting rod 13 is provided with an inclined surface 14, the inclined surface 14 is in contact connection with the baffle 11, and the inclined surface 14 can provide an inclined pushing force to the baffle 11.

Referring to fig. 4, one end of the spring 15 is fixedly connected to the support rod 13, the other end of the spring 15 is fixedly connected to the support cylinder 12, and the spring 15 can push the latch 17 to be engaged with the annular groove 8 by elastic force.

Referring to fig. 4, a limiting ring 16 is fixedly sleeved inside the supporting cylinder 12, the inner side of the limiting ring 16 is slidably connected with the outer side of the supporting rod 13, and the limiting ring 16 can prevent the supporting rod 13 from sliding out of the supporting cylinder 12.

The utility model discloses the concrete implementation process as follows: when the valve is installed, the valve port 5 is aligned to a gap between the sealing sleeve 7 and the sealing tube 6, the valve port 5 is inserted, the valve port 5 is extruded outside the sealing tube 6 under the action of the elastic force of the sealing sleeve 7, so that the sealing performance between the unloading valve 4 and the connecting port 2 can be ensured, the spring 15 pushes the baffle 11 at the inclined plane 14 on the supporting rod 13 through the elastic force while the valve port is inserted, the baffle 11 clamps the fixture block 17 on the inner side of the fixing rod 10 into the annular groove 8 through the elastic force, the unloading valve 4 can be quickly installed, when the maintenance is needed, the fixing rod 10 is outwards overturned through the hinge frame 9, the fixture block 17 is separated from the inside of the annular groove 8, and the unloading valve 4 can be quickly disassembled.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An aircraft power steering gear with an unloading valve, comprising a steering gear (1), characterized in that: the steering gear is characterized in that a connecting port (2) is fixedly sleeved in the steering gear (1), a fixed port (3) is clamped on the outer side of the connecting port (2), an unloading valve (4) is fixedly connected to the upper end of the fixed port (3), a valve port (5) is fixedly connected to the lower end of the unloading valve (4), a sealing pipe (6) is fixedly connected in the connecting port (2), the sealing pipe (6) is in contact connection with the valve port (5), a sealing sleeve (7) is bonded in the connecting port (2), a ring groove (8) is formed in the fixed port (3), two symmetrically-distributed hinge frames (9) are fixedly connected to the upper end of the steering gear (1), a fixing rod (10) is hinged to the outer side of each hinge frame (9), a clamping block (17) is fixedly connected to the inner side of each fixing rod (10), and a baffle (11) is fixedly connected to the outer side of each fixing rod (10), the steering gear is characterized in that two symmetrically-distributed supporting cylinders (12) are fixedly connected to the upper end of the steering gear (1), supporting rods (13) are slidably connected to the inside of the supporting cylinders (12), and springs (15) are arranged inside the supporting cylinders (12).

2. An aircraft power steering gear with an unloader valve as defined in claim 1, wherein: the sealing sleeve (7) is in contact connection with the valve port (5), and the sealing sleeve (7) is made of rubber materials.

3. An aircraft power steering gear with an unloader valve as defined in claim 1, wherein: the clamping block (17) is clamped with the annular groove (8), and one end, close to the annular groove (8), of the clamping block (17) is circular in shape.

4. An aircraft power steering gear with an unloader valve as defined in claim 1, wherein: an inclined plane (14) is arranged on the supporting rod (13), and the inclined plane (14) is in contact connection with the baffle (11).

5. An aircraft power steering gear with an unloader valve as defined in claim 1, wherein: one end of the spring (15) is fixedly connected with the supporting rod (13), and the other end of the spring (15) is fixedly connected with the supporting cylinder (12).

6. An aircraft power steering gear with an unloader valve as defined in claim 1, wherein: the inside of the supporting cylinder (12) is fixedly sleeved with a limiting ring (16), and the inner side of the limiting ring (16) is connected with the outer side of the supporting rod (13) in a sliding manner.