CN218367977U - Combined power steering gear - Google Patents

Abstract

The utility model discloses a modular power steering gear, belong to steering gear technical field, including the steering gear body with install the defeated oil pipe on the steering gear body, be equipped with the pipe connector that is used for the defeated oil pipe of joint on the steering gear body, the pipe connector includes connecting tube spare and protection component, the connecting tube spare is used for the defeated oil pipe of intercommunication, the protection component is used for protecting the junction of defeated oil pipe and steering gear body, be equipped with the annular on the outer wall of connecting tube spare, it is used for connecting defeated oil pipe to be equipped with the screw thread in, joint cover card in the protection component is gone into the annular and is protected defeated oil pipe in the annular, through setting up the protection component, joint cover and pipe clamp in the protection component can reduce defeated oil pipe's vibrations volume, make defeated oil pipe the same with the vibrations volume of steering gear body, avoid becoming flexible.

Description

Combined power steering gear

Technical Field

The utility model belongs to the technical field of the steering gear, more specifically, relate to a modular power steering gear.

Background

The steering gear is used for properly converting steering torque and steering angle from a steering wheel (mainly reducing and increasing the torque) and outputting the steering torque and the steering angle to a steering pull rod mechanism so as to steer the automobile, so the steering gear is essentially a speed reduction transmission device. The steering gear has various types, such as a rack and pinion type, a circulating ball type, a worm and crank finger pin type, a power steering gear and the like.

An oil delivery pipe of the steering gear is usually in a high-temperature and high-pressure state for a long time, and a metal pipe is adopted and is in threaded rigid connection with the steering gear, so that the problem that rigid connection is loosened due to vibration of an automobile exists. The automobile power steering gear shell that can reduce to use vibrations that patent number is CN202121649572.4 can wholly reduce vibrations, but because defeated oil pipe is longer, the steering gear body is dun real, and the displacement volume of vibrations is different, in time reduces vibrations, and the influence that vibrations were brought still exists, simultaneously because defeated oil pipe and steering gear material difference lead to expend with heat and contract with cold different, exist not hard up influence.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved by the utility model

The utility model aims to solve current steering gear and defeated oil pipe rigid connection, the vibrations that the car form brought make its not hard up defect easily.

Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a modular power steering gear, including the steering gear body with install defeated oil pipe on the steering gear body, be equipped with the pipe connector that is used for the defeated oil pipe of joint on the steering gear body, the pipe connector includes connecting pipe spare and protection subassembly, the connecting pipe spare is used for the defeated oil pipe of intercommunication, the protection subassembly is used for protecting the junction of defeated oil pipe and steering gear body, is equipped with the annular on the outer wall of connecting pipe spare, is equipped with the screw thread in and is used for connecting defeated oil pipe, protects defeated oil pipe in the joint cover card income annular in the protection subassembly.

Preferably, the protection assembly comprises a clamping sleeve, a connecting shell and a pipe clamp, the pipe clamp is installed on the clamping sleeve, threads are arranged on the clamping sleeve, the clamping sleeve is in threaded connection with the connecting shell, an ejector rod used for extruding the clamping sleeve is arranged on the connecting shell, the cross section of the clamping sleeve is of a trapezoidal structure, and the ejector rod is in contact with the outer wall of the clamping sleeve.

Preferably, the pipe clamp comprises a connecting piece and a circular ring, the circular ring is connected with the clamping sleeve through the connecting piece, a fastening screw is arranged on the circular ring, the circular ring is sleeved on the oil conveying pipe, the fastening screw contacts the oil conveying pipe, and the connecting piece is an arc-shaped metal sheet and has elastic deformation performance.

Preferably, the clamping sleeve is provided with a radiating fin, the radiating fin comprises a parallel sheet and an arc sheet, the arc sheet is attached to the outer wall of the oil conveying pipe, and the parallel sheet and the arc sheet are integrally formed.

Preferably, the joint sleeve is formed by symmetrically designed double-half structures, the double-half structures are mutually extruded through the connecting shell and the threaded connection of the connecting shell, the hollow structure and the round hole are formed in the connecting shell, and the oil conveying pipe penetrates through the round hole.

Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) The utility model discloses a modular power steering ware, through setting up the protection subassembly, the vibrations volume that defeated oil pipe can be reduced to joint cover and pipe clamp in the protection subassembly for defeated oil pipe is the same with the vibrations volume of steering gear body, avoids not hard up.

(2) The utility model discloses a modular power steering gear is provided with the fin, reduces defeated oil pipe and this body coupling's of steering gear temperature, reduces because the material difference leads to the different not hard up influence of expend with heat and contract with cold.

Drawings

Fig. 1 is a schematic structural view of a combined power steering gear of the present invention;

FIG. 2 is a schematic view of a pipe joint structure of a combined power steering gear of the present invention;

fig. 3 is a schematic cross-sectional structural view of a pipe connector of a combined power steering gear according to the present invention.

The reference numbers in the schematic drawings illustrate:

100. a diverter body;

200. an oil delivery pipe;

300. a pipe connector; 310. a pipe connecting piece; 311. a ring groove; 320. a protection component; 321. a clamping sleeve; 3211. a heat sink; 322. a connecting shell; 3221. a top rod; 323. a pipe clamp; 3231. a connecting member; 3232. a circular ring.

Detailed Description

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but on the contrary are provided for the purpose of making the disclosure more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like are used herein for purposes of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1-3, a combined power steering gear of this embodiment includes a steering gear body 100 and an oil pipe 200 installed on the steering gear body 100, a pipe connector 300 for connecting the oil pipe 200 in a clamping manner is installed on the steering gear body 100, the pipe connector 300 includes a pipe connector 310 and a protection component 320, the pipe connector 310 is used for communicating the oil pipe 200, the protection component 320 is used for protecting a connection portion between the oil pipe 200 and the steering gear body 100, an annular groove 311 is installed on an outer wall of the pipe connector 310, a thread is installed inside the pipe connector for connecting the oil pipe 200, a clamping sleeve 321 inside the protection component 320 is clamped inside the annular groove 311 to protect the oil pipe 200, the oil pipe 200 on the conventional power steering gear is a metal pipe, the thread is connected with the steering gear body 100, belongs to a rigid connection, and under the influence of vibration in an automobile form and the like, when the automobile runs, vibration is transmitted to the steering gear body 100 and the oil conveying pipe 200, the oil conveying pipe 200 is almost suspended as a whole and is long in structure, the displacement caused by the vibration is larger than that of the steering gear body 100, the stability of rigid connection of the oil conveying pipe is reduced, and no equipment or design for eliminating the influence is arranged on the power steering gear on the automobile on the market at present, on the contrary, the structure of the design is provided with the pipe connector 300, the structure of the pipe connector 310 is similar to that of the oil conveying pipe 200 connected to the ordinary steering gear, the ring groove 311 is additionally arranged on the protection assembly 320, the protection assembly 320 additionally designed and installed can stably protect the connection stability of the oil conveying pipe 200 and the steering gear body 100, and the influence of looseness and even the fracture of the oil conveying pipe 200 and the connection position of the steering gear body, which are influenced by the vibration, is eliminated.

The protection assembly 320 of the embodiment comprises a clamping sleeve 321, a connecting shell 322 and a pipe clamp 323, wherein the pipe clamp 323 is installed on the clamping sleeve 321, threads are arranged on the clamping sleeve 321, the clamping sleeve 321 is in threaded connection with the connecting shell 322, an ejector rod 3221 for extruding the clamping sleeve 321 is arranged on the connecting shell 322, the cross section of the clamping sleeve 321 is of a trapezoidal structure, the ejector rod 3221 is in contact with the outer wall of the clamping sleeve 321, the pipe clamp 323 comprises a connecting piece 3231 and a ring 3232, the ring 3232 is connected with the clamping sleeve 321 through the connecting piece 3231, a fastening screw is arranged on the ring 3232, the ring 3232 is sleeved on the oil pipe 200 and is in contact with the oil pipe 200, the connecting piece 3231 is an arc-shaped metal sheet and has elastic deformation performance, the structure is designed, when the pipe clamp is in operation, the pipe clamp is clamped in a circular groove 311 through the clamping sleeve 321, the pipe clamp 323 on the pipe clamp 200 is sleeved on the oil pipe, the clamping sleeve 321 is extruded through the connecting shell 322, the clamping sleeve 321 is stable on the circular groove 311, when vibration occurs, the oil pipe clamp 323 is transmitted to the oil pipe clamp 200, the oil pipe clamp 323, the oil pipe clamp is capable of absorbing the energy, the energy of absorbing the connecting piece 323, the oil pipe clamp is capable of absorbing the oil pipe 200, and capable of absorbing the original state of preventing the oil pipe clamp from being loosened, and driving the oil pipe 100, and preventing the oil pipe clamp from being connected with the oil pipe 100.

Be equipped with fin 3211 on the joint cover 321 of this embodiment, fin 3211 includes parallel plate and circular arc piece, the outer wall of defeated oil pipe 200 of circular arc piece laminating, parallel plate and circular arc piece integrated into one piece, joint cover 321 constitutes for the two half structure of symmetry design, make two half structure extrude each other through connecting shell 322 rather than threaded connection, be equipped with hollow out construction and round hole on the connecting shell 322, defeated oil pipe 200 passes the round hole, the oil in defeated oil pipe 200 is the high temperature state when using, this heat transfer is for defeated oil pipe 200, because defeated oil pipe 200 is different with the material of steering gear body 100, its expend with heat and contract with cold the performance difference, consequently need be with defeated oil pipe 200's temperature, especially the temperature that is close to steering gear body 100 junction on it, reduce as far as possible, reduce deformation, this design has fin 3211 to transmit partial heat for fin 3211 on, fin 3211 is big with the air area of contact, in time dispel the heat.

The working principle is as follows: after the steering gear body 100 and the oil delivery pipe 200 are connected, an automobile runs, vibration is transmitted to the steering gear body 100 and the oil delivery pipe 200, the oil delivery pipe 200 vibrates and transmits to the pipe clamp 323, the connecting piece 3231 on the pipe clamp 323 vibrates the temperature rise of the connecting piece, the temperature rise of the connecting piece is absorbed, heat from high-temperature oil in the oil delivery pipe 200 is transmitted to the radiating fins 3211, the temperature of the joint of the oil delivery pipe 200 and the steering gear body 100 is reduced, and the influence of expansion caused by heat and contraction caused by cold is reduced.

The above-mentioned embodiments only express a certain implementation manner of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention; therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (5)

1. A combined power steering gear, characterized in that: including steering gear body (100) and defeated oil pipe (200) of installing on steering gear body (100), be equipped with on steering gear body (100) and be used for joint defeated oil pipe (200) pipe connector (300), pipe connector (300) are including connecting pipe fitting (310) and protection subassembly (320), connecting pipe fitting (310) are used for communicateing defeated oil pipe (200), protection subassembly (320) are used for the junction of protection defeated oil pipe (200) and steering gear body (100), be equipped with annular (311) on the outer wall of connecting pipe fitting (310), be equipped with the screw thread in and be used for connecting defeated oil pipe (200), joint cover (321) card in protection subassembly (320) is gone into in annular (311) and is protected defeated oil pipe (200).

2. The combination power steering gear according to claim 1, wherein: protection component (320) are including joint sleeve (321), connection shell (322) and pipe clamp (323), install on joint sleeve (321) pipe clamp (323), be equipped with the screw thread on joint sleeve (321), joint sleeve (321) and connection shell (322) threaded connection, be equipped with ejector pin (3221) that is used for extrudeing joint sleeve (321) on connection shell (322), the cross-section of joint sleeve (321) is the trapezium structure, ejector pin (3221) and the outer wall contact of joint sleeve (321).

3. The combination power steering gear according to claim 2, wherein: pipe clamp (323) are including connecting piece (3231) and ring (3232), ring (3232) pass through connecting piece (3231) and connect joint cover (321), be equipped with fastening screw on ring (3232), ring (3232) cover is on defeated oil pipe (200), fastening screw contact defeated oil pipe (200), connecting piece (3231) are curved foil, possess the elastic deformation performance.

4. The combination power steering gear according to claim 2, wherein: be equipped with fin (3211) on joint sleeve (321), fin (3211) are including parallel piece and circular arc piece, the outer wall of defeated oil pipe (200) of circular arc piece laminating, parallel piece and circular arc piece integrated into one piece.

5. The combination power steering gear according to claim 2, wherein: the clamping sleeve (321) is formed by symmetrically designed double half structures, the double half structures are mutually extruded through the connecting shell (322) and in threaded connection with the connecting shell, the hollow structure and the round hole are formed in the connecting shell (322), and the oil conveying pipe (200) penetrates through the round hole.

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