CN211779242U

CN211779242U - Steering gear with integrated valve

Info

Publication number: CN211779242U
Application number: CN202020093147.0U
Authority: CN
Inventors: 曹迎春; 朋文斌
Original assignee: Hefei Xieli Industrial Vehicle Parts Co ltd
Current assignee: Hefei Xieli Industrial Vehicle Parts Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-10-27
Anticipated expiration: 2030-01-16

Abstract

A steering gear with an integrated valve comprises a conveying pipe, wherein the inlet end of the conveying pipe is embedded into the connecting pipe in a fitting manner, a fitting groove is formed in the inner wall of the top end of the connecting pipe, a fitting ring is arranged on the outer wall of the conveying pipe and embedded into the fitting groove in a fitting manner, a locking ring cover is slidably sleeved on the outer wall of the conveying pipe and arranged at the top of the fitting ring, and the locking ring cover is installed on the outer wall of the conveying pipe through threads; when the conveying pipe is inserted into the connecting pipe, the connecting pipe and the conveying pipe can be driven to be locked only by twisting the locking ring cover, the whole conveying pipe does not need to be rotated, the installation operation space is reduced, and the actual installation and maintenance operation is convenient; the matching ring can transmit the force applied by the locking ring cover to the conveying pipe, so that the conveying pipe is pressed downwards; the matching ring and the matching groove can realize the sealing of the connection part.

Description

Steering gear with integrated valve

Technical Field

The utility model belongs to the technical field of the steering gear, in particular to steering gear with integrated valve.

Background

A hydraulic steering gear, namely a hydraulic power type steering gear; a steering gear (also commonly referred to as a steering gear) is a set of gear mechanisms that accomplish a rotational movement to a linear (or nearly linear) movement, and is also a reduction gear in the steering system. It is the most important component in the steering system. The hydraulic steering gear is a cycloidal rotary valve type full hydraulic steering gear which consists of a follow-up rotary valve and a cycloidal rotary stator pair. It is a full hydraulic steering system which is composed of an oil supply pump, an overflow valve (or a flow divider), a steering oil cylinder and other connecting accessories;

there is integrated valve body on the hydraulic steering gear, the break-make of integrated valve for controlling each oil circuit, when being connected integrated valve and outside each oil circuit, need to twist the conveyer pipe of falling L shape in the connecting tube on the valve body, wholly twist the conveyer pipe and need occupy great space, however the space of steering gear installation region is comparatively narrow, whole rotating is not convenient for overhaul the steering gear, also influence each other easily between each conveyer pipe simultaneously, can further reduce operating space.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough to prior art exists provides a steering gear with integrated valve, and concrete technical scheme is as follows:

the steering gear with the integrated valve comprises a steering gear body, wherein a driving shaft is arranged at the center line of the steering gear body; an integrated valve main body is arranged on the surface of the steering gear main body; the integrated valve main body comprises a valve body, a connecting pipe and a conveying pipe; the valve body is arranged on the surface of the steering gear main body, the top surface of the valve body is communicated with a plurality of connecting pipes, and the outer walls of the connecting pipes are provided with external thread structures;

the entry end laminating of conveyer pipe is embedded in the connecting pipe, the cooperation groove has been seted up to the top inner wall of connecting pipe, the outer wall of conveyer pipe is equipped with the cooperation ring, the cooperation ring laminating imbed in the cooperation inslot, the outer wall sliding sleeve of conveyer pipe is equipped with the locking ring cover, the locking ring cover is located the top of cooperation ring, the locking ring cover pass through the screw thread install in the outer wall of conveyer pipe.

Furthermore, the cross-section of cooperation groove is the inclined plane structure, the cross-section of cooperation ring is right triangle, the cooperation ring laminating is embedded in the cooperation inslot.

Further, a sealing ring is arranged on the surface of the matching ring, and the sealing ring is tightly attached between the locking ring cover and the matching ring.

Further, the outer wall of the bottom end of the conveying pipe is sleeved with a filtering net cover, and the area of the filtering net cover is larger than the inner sectional area of the connecting pipe.

Further, the inner wall bottom of connecting pipe is equipped with annular support ring, the bottom of conveyer pipe contradict in on the support ring, the conveyer pipe the centre gripping is fixed with between the support ring filter screen panel.

The utility model has the advantages that:

1. the locking ring cover is utilized to realize that after the conveying pipe is inserted into the connecting pipe, the connecting pipe and the conveying pipe can be driven to be locked only by screwing the locking ring cover, the whole conveying pipe does not need to be rotated, the installation operation space is reduced, and the actual installation and maintenance operation is convenient; the matching ring can transmit the force applied by the locking ring cover to the conveying pipe, so that the conveying pipe is pressed downwards; the matching ring and the matching groove can realize the sealing of the joint;

2. the conveyer pipe can be supported from the below to the support ring one side, and it is spacing that the conveyer pipe can be contradicted simultaneously from top to bottom, and the conveyer pipe of also being convenient for of support ring simultaneously is installed to the assigned position fast, and on the other hand also can realize the centre gripping location to crossing the filter screen panel for it need not to design fixed knot structure alone again to cross the filter screen panel, simultaneously, when pulling down the conveyer pipe, can directly take off the filter screen panel, changes, quick simple and convenient.

Drawings

FIG. 1 shows a schematic view of the steering gear with integrated valve of the present invention;

fig. 2 shows a schematic cross-sectional structure of an integrated valve body of the present invention;

FIG. 3 shows an enlarged schematic view of FIG. 2 at A;

fig. 4 shows a schematic view of the structure of the delivery pipe of the present invention;

shown in the figure: 1. the steering gear comprises a steering gear body, 2, a driving shaft, 3, an integrated valve body, 31, a valve body, 32, a connecting pipe, 321, a matching groove, 322, a supporting ring, 33, a conveying pipe, 331, a matching ring, 3311, a sealing ring, 34, a filter screen cover, 35 and a locking ring cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The steering gear with the integrated valve comprises a steering gear body 1, wherein a driving shaft 2 is arranged at the center line of the steering gear body 1; an integrated valve body 3 is arranged on the surface of the steering gear body 1; the integrated valve main body 3 comprises a valve body 31, a connecting pipe 32 and a delivery pipe 33; the valve body 31 is a main component for controlling the flow of hydraulic oil, the connecting pipe 32 is used for connecting each delivery pipe 33, and the delivery pipes 33 are used for delivering hydraulic oil to different positions;

the valve body 31 is arranged on the surface of the steering gear body 1, the top surface of the valve body 31 is communicated with a plurality of connecting pipes 32, and the outer walls of the connecting pipes 32 are provided with external thread structures;

the inlet end of the delivery pipe 33 is embedded into the connecting pipe 32 in an attaching manner, a matching groove 321 is formed in the inner wall of the top end of the connecting pipe 32, a matching ring 331 is arranged on the outer wall of the delivery pipe 33, the matching ring 331 is embedded into the matching groove 321 in an attaching manner, a locking ring cover 35 is slidably sleeved on the outer wall of the delivery pipe 33, the locking ring cover 35 is arranged at the top of the matching ring 331, and the locking ring cover 35 is installed on the outer wall of the delivery pipe 33 through threads; the locking ring cover 35 is utilized to realize that after the conveying pipe 33 is inserted into the connecting pipe 32, the connecting pipe 32 and the conveying pipe 33 can be driven to be locked only by screwing the locking ring cover 35, the whole conveying pipe 33 does not need to be rotated, the installation operation space is reduced, and the actual installation and maintenance operation is facilitated; the mating ring 331 is capable of transmitting the force exerted by the locking ring cover 35 onto the delivery pipe 33, thereby pressing the delivery pipe 33 downwards; the mating ring 331 and the mating groove 321 enable sealing of the connection.

As an improvement of the above technical solution, the cross section of the mating groove 321 is an inclined plane structure, the cross section of the mating ring 331 is a right triangle, and the mating ring 331 is fitted and embedded in the mating groove 321; the sealing effect can be improved by utilizing the mode of matching the inclined plane with the inclined plane.

As an improvement of the above technical solution, a sealing ring 3311 is disposed on the surface of the mating ring 331, and the sealing ring 3311 is tightly attached between the locking ring cover 35 and the mating ring 331; the packing 3311 is illustratively made of rubber, and can enhance the sealing property between the fitting ring 331 and the fitting groove.

As an improvement of the above technical solution, a filtering net cover 34 is sleeved on the outer wall of the bottom end of the conveying pipe 33, and the area of the filtering net cover 34 is larger than the internal sectional area of the connecting pipe 32; the filter screen 34 can filter oil, and avoid oil circuit blockage.

As an improvement of the above technical solution, an annular support ring 322 is disposed at the bottom of the inner wall of the connecting pipe 32, the bottom end of the conveying pipe 33 abuts against the support ring 322, and the filter mesh enclosure 34 is clamped and fixed between the conveying pipe 33 and the support ring 322; support ring 322 on the one hand can be followed the below and supported the conveyer pipe, and the conveyer pipe can be contradicted simultaneously from top to bottom spacing, and support ring 322 also is convenient for the conveyer pipe and installs to the assigned position fast simultaneously, and on the other hand also can realize fixing a position to the centre gripping of filtering screen panel 34 for filtering screen panel 34 need not to design fixed knot again alone, simultaneously, when pulling down the conveyer pipe, can directly take off filtering screen panel 34, change, quick simple and convenient.

The utility model discloses when implementing, wrap up filter screen cover 34 in the bottom of conveyer pipe 33, then insert the connecting pipe 32 with the entrance of conveyer pipe 33 in, the bottom of conveyer pipe 33 is contradicted on support ring 322, the laminating of the outer wall of conveyer pipe 33 and the inner wall of connecting pipe 32, cooperation ring 331 cooperation is embedded into cooperation groove 321, filter screen cover 34 is held the location by conveyer pipe 33, support ring 322 this moment, adjust conveyer pipe 33 to required direction, screw up locking ring cover 35 at last, make the firm suit of locking ring cover 35 at the outer wall of connecting pipe 32, when screwing up locking ring cover 35, locking ring cover 35 pushes down support ring 322 and closely compresses tightly sealing washer 3311, thereby eliminate the gap between cooperation ring 331 and the cooperation groove 321;

when daily maintenance is needed, the locking ring cover 35 is rotated reversely, so that the conveying pipe 33 is separated from the connecting pipe 32, and the filter screen cover 34 is taken down for replacement.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A diverter with an integrated valve, characterized in that: the steering gear comprises a steering gear body (1), wherein a driving shaft (2) is arranged at the center line of the steering gear body (1); an integrated valve main body (3) is arranged on the surface of the steering gear main body (1); the integrated valve main body (3) comprises a valve body (31), a connecting pipe (32) and a conveying pipe (33); the valve body (31) is arranged on the surface of the steering gear main body (1), the top surface of the valve body (31) is communicated with a plurality of connecting pipes (32), and the outer wall of each connecting pipe (32) is provided with an external thread structure;

the entry end laminating of conveyer pipe (33) is embedded in connecting pipe (32), cooperation groove (321) have been seted up to the top inner wall of connecting pipe (32), the outer wall of conveyer pipe (33) is equipped with cooperation ring (331), cooperation ring (331) laminating be embedded in cooperation groove (321), the outer wall sliding sleeve of conveyer pipe (33) is equipped with locking ring cover (35), locking ring cover (35) are located the top of cooperation ring (331), locking ring cover (35) through the screw thread install in the outer wall of conveyer pipe (33).

2. The diverter with the integrated valve according to claim 1, wherein: the cross section of the matching groove (321) is of an inclined surface structure, the cross section of the matching ring (331) is of a right-angled triangle, and the matching ring (331) is embedded into the matching groove (321) in a fitting mode.

3. The diverter with the integrated valve according to claim 2, wherein: the surface of the matching ring (331) is provided with a sealing ring (3311), and the sealing ring (3311) is tightly attached between the locking ring cover (35) and the matching ring (331).

4. The diverter with the integrated valve according to claim 1, wherein: the bottom outer wall cover of conveyer pipe (33) is equipped with filter screen panel (34), filter screen panel (34)'s area is greater than the inside sectional area of connecting pipe (32).

5. The diverter with the integrated valve according to claim 4, wherein: the inner wall bottom of connecting pipe (32) is equipped with annular support ring (322), the bottom of conveyer pipe (33) contradict in on support ring (322), conveyer pipe (33) centre gripping is fixed with between support ring (322) filter screen panel (34).