Valve sleeve for hydraulic steering gear
By designing reinforcement plates, compressive tubes, glass fiber reinforcement ribs, titanium alloy trapezoidal blocks and polyethylene coatings in the compressive layer, reinforcement layer, firm layer and corrosion protection layer of the hydraulic steering valve sleeve, the problem of easy damage and high use cost during use is solved, and higher compression resistance, longer service life and lower use cost are achieved.
Patent Information
- Application Number
- CN202420768686.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-04-15
AI Technical Summary
During the use of the existing valve sleeves for hydraulic steering gears, the valve sleeves in the steering gears are easily impacted during oil distribution, which leads to insufficient strength of the valve sleeves, which increases the cost of use and cannot meet market demand.
A valve sleeve for hydraulic steering is designed, including the steering gear body, an outer connection head and an oil distribution hole. The main body of the steering valve sleeve increases the compressive resistance by installing reinforcement plates and compressive pipes in the compressive layer; the glass fiber reinforcement ribs are arranged interlaced in the reinforcement layer to improve the firmness; the first and second trapezoidal blocks of titanium alloy are used to cooperate with each other to extend the service life; finally, the polyethylene coating is sprayed in the anti-corrosion layer to improve the anti-corrosion effect.
Through the design of reinforcement plates, compressive tubes, glass fiber reinforcement ribs, titanium alloy trapezoidal blocks and polyethylene coatings, the compression resistance, firmness and service life of the valve sleeve for hydraulic steering is significantly improved, the cost of use is reduced, and the market demand is met.
Smart Images
Figure CN222650649U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of a valve sleeve for a hydraulic steering gear, in particular to a valve sleeve for a hydraulic steering gear. Background Art
[0002] The valve sleeve for hydraulic steering gear is a hydraulic power steering gear. The steering gear (also often called steering machine) is a set of gear mechanisms that complete the transformation from rotary motion to linear motion (or approximate linear motion). It is also a reduction transmission device in the steering system. It is the most important component in the steering system. The valve sleeve for hydraulic steering gear is a cycloid rotary valve type full hydraulic steering gear valve sleeve composed of a follower rotary valve and a cycloid stator pair. It is a full hydraulic steering system composed of a fuel supply pump, a relief valve (or a diverter valve), a steering cylinder and other connecting accessories.
[0003] However, the existing valve sleeves for hydraulic steering gears have the following problems during use: when the valve sleeves for hydraulic steering gears are in use, the impact during oil distribution is likely to cause squeezing of the side wall of the valve sleeve inside the steering gear; the existing valve sleeves are only made of alloy and are not strong enough, and the inner side of the valve sleeve is prone to damage, which easily increases the cost of use and cannot meet market demand. Utility Model Content
[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.
[0005] In view of the above or existing problems in the prior art, however, the existing valve sleeve for the hydraulic steering gear has the following problems during use: when the valve sleeve for the hydraulic steering gear is in use, it is easy to generate impact during oil distribution and squeeze the side wall of the valve sleeve inside the steering gear. The existing valve sleeve is only made of alloy and has insufficient strength. The inner side of the valve sleeve is prone to damage, which easily increases the cost of use and cannot meet market demand. Therefore, the utility model is proposed.
[0006] Therefore, the purpose of the utility model is to provide a valve sleeve for a hydraulic steering gear.
[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a valve sleeve for a hydraulic steering gear comprises a steering gear valve sleeve body, an external connecting head and an oil distribution hole: an external connecting head is welded to the top of the steering gear valve sleeve body, and a plurality of oil distribution holes for more uniform oil distribution are provided on the inner wall of the external connecting head.
[0008] As a preferred solution of a valve sleeve for a hydraulic steering gear of the utility model, the steering gear valve sleeve body includes a pressure-resistant layer, a reinforcement layer is arranged on the top of the pressure-resistant layer, a firm layer is arranged on the top of the reinforcement layer, and an anti-corrosion layer is arranged on the top of the firm layer.
[0009] As a preferred solution of the valve sleeve for a hydraulic steering device of the utility model, the pressure-resistant layer includes a reinforcing plate, the reinforcing plates are installed in a transverse arrangement inside the pressure-resistant layer, and a pressure-resistant tube is arranged inside the reinforcing plate.
[0010] As a preferred solution of the valve sleeve for a hydraulic steering device of the utility model, the reinforcing layer includes reinforcing ribs, and the interior of the reinforcing layer is provided with reinforcing ribs which are arranged in a transverse and staggered manner.
[0011] As a preferred solution of a valve sleeve for a hydraulic steering gear of the utility model, the firming layer includes a first trapezoidal block, the top end of the firming layer is laterally installed with the first trapezoidal block, the bottom end of the firming layer is laterally installed with the second trapezoidal block, and the second trapezoidal block cooperates with the first trapezoidal block.
[0012] As a preferred solution of the valve sleeve for a hydraulic steering gear of the utility model, the thickness of the anti-corrosion layer is 0.1-0.3 cm, and the surface of the anti-corrosion layer is sprayed with a polyethylene coating.
[0013] The utility model provides a valve sleeve for a hydraulic steering gear, which has the following beneficial effects:
[0014] 1. The utility model firstly arranges the reinforcing plates in a transverse manner and installs them inside the pressure-resistant layer, and designs a plurality of groups of pressure-resistant tubes, thereby making the pressure resistance of the steering gear valve sleeve body higher through the reinforcing plates and the pressure-resistant tubes, and at the same time, the reinforcing ribs are arranged in a transverse and staggered manner and installed inside the reinforcing layer, and the reinforcing ribs are made of glass fiber, thereby making the reinforcing layer more firm, and the first trapezoidal block and the second trapezoidal block cooperate with each other, thereby making the service life of the steering gear valve sleeve body longer. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:
[0016] Figure 1 It is a schematic diagram of the main structure of a valve sleeve for a hydraulic steering gear;
[0017] Figure 2It is a schematic diagram of the main cross-sectional structure of a valve sleeve for a hydraulic steering gear;
[0018] Figure 3 It is a schematic diagram of the structure of a reinforcement plate of a valve sleeve for a hydraulic steering gear;
[0019] Figure 4 The present invention is a schematic diagram of the first trapezoidal block structure of a valve sleeve for a hydraulic steering gear.
[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0021] 1. Steering gear valve sleeve body; 101. Pressure-resistant layer; 1011. Reinforcement plate; 1012. Pressure-resistant tube; 102. Reinforcement layer; 1021. Reinforcement rib; 103. Firm layer; 1031. First trapezoidal block; 1032. Second trapezoidal block; 104. Anti-corrosion layer; 2. External connector; 3. Oil distribution hole. DETAILED DESCRIPTION
[0022] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.
[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0024] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.
[0025] Example 1: Reference Figures 1 to 4 , which is the first embodiment of the utility model, and this embodiment provides a valve sleeve for a hydraulic steering gear, which can achieve the following problems: when the valve sleeve for the hydraulic steering gear is in use, it is easy to generate impact during oil distribution to squeeze the side wall of the valve sleeve inside the steering gear. The existing valve sleeve is only made of alloy, which is not strong enough, and the inner side of the valve sleeve is prone to damage, which easily increases the cost of use and cannot meet the market demand. It includes a steering gear valve sleeve body 1, an external connector 2 and an oil distribution hole 3: an external connector 2 is welded to the top of the steering gear valve sleeve body 1, and the inner wall of the external connector 2 is provided with a plurality of oil distribution holes 3 for more uniform oil distribution.
[0026] The steering gear valve sleeve body 1 comprises a pressure-resistant layer 101 , a reinforcing layer 102 is arranged at the top of the pressure-resistant layer 101 , a firming layer 103 is arranged at the top of the reinforcing layer 102 , and an anti-corrosion layer 104 is arranged at the top of the firming layer 103 .
[0027] The pressure-resistant layer 101 includes a reinforcing plate 1011, and the reinforcing plates 1011 are installed in a transverse arrangement inside the pressure-resistant layer 101, and a pressure-resistant tube 1012 is arranged inside the reinforcing plate 1011. The reinforcing plate 1011 is made of an aluminum alloy plate, thereby extending the service life of the steering gear valve sleeve body 1. The pressure-resistant tube 1012 is made of a cast iron pipe, thereby extending the service life of the steering gear valve sleeve body 1.
[0028] The reinforcement layer 102 includes reinforcement ribs 1021 , and the reinforcement ribs 1021 are installed in the reinforcement layer 102 in a transversely staggered arrangement.
[0029] The fixing layer 103 includes a first trapezoidal block 1031, the top of the fixing layer 103 is laterally mounted with the first trapezoidal block 1031, the bottom of the fixing layer 103 is laterally mounted with a second trapezoidal block 1032, and the second trapezoidal block 1032 cooperates with the first trapezoidal block 1031, and the first trapezoidal block 1031 and the second trapezoidal block 1032 are made of titanium alloy, thereby extending the service life of the steering valve sleeve body 1.
[0030] The thickness of the anti-corrosion layer 104 is 0.1-0.3 cm, and the surface of the anti-corrosion layer 104 is sprayed with a polyethylene coating. The design of the polyethylene coating can improve the anti-corrosion effect of the steering valve sleeve body 1.
[0031] The specific working principle is that, firstly, the reinforcing plates 1011 are arranged horizontally and installed inside the pressure-resistant layer 101, and a plurality of groups of pressure-resistant tubes 1012 are designed, so that the pressure resistance of the steering gear valve sleeve body 1 is higher, and at the same time, the reinforcing ribs 1021 are arranged horizontally and staggered with each other inside the reinforcing layer 102, and the reinforcing ribs 1021 are glass fibers, so that the firmness of the reinforcing layer 102 is higher, and the first trapezoidal block 1031 and the second trapezoidal block 1032 cooperate with each other, so that the service life of the steering gear valve sleeve body 1 is prolonged.
[0032] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A valve sleeve for a hydraulic steering gear, characterized in that: The invention comprises a steering gear valve sleeve body (1), an external connector (2) and an oil distribution hole (3): the top end of the steering gear valve sleeve body (1) is welded with the external connector (2), and the inner wall of the external connector (2) is provided with a plurality of oil distribution holes (3) for more uniform oil distribution.
2. A valve sleeve for a hydraulic steering gear as claimed in claim 1, characterized in that: The steering gear valve sleeve body (1) comprises a pressure-resistant layer (101), a reinforcing layer (102) is arranged at the top of the pressure-resistant layer (101), a firming layer (103) is arranged at the top of the reinforcing layer (102), and an anti-corrosion layer (104) is arranged at the top of the firming layer (103).
3. A valve sleeve for a hydraulic steering gear as claimed in claim 2, characterized in that: The pressure-resistant layer (101) comprises a reinforcing plate (1011), the reinforcing plates (1011) are installed in a transverse arrangement inside the pressure-resistant layer (101), and a pressure-resistant tube (1012) is arranged inside the reinforcing plate (1011).
4. A valve sleeve for a hydraulic steering gear as claimed in claim 2, characterized in that: The reinforcing layer (102) comprises reinforcing ribs (1021), and the interior of the reinforcing layer (102) is provided with reinforcing ribs (1021) arranged in a transverse and staggered manner.
5. A valve sleeve for a hydraulic steering gear as claimed in claim 2, characterized in that: The firming layer (103) comprises a first trapezoidal block (1031), the top end of the firming layer (103) being installed with the first trapezoidal block (1031) in a transverse arrangement, the bottom end of the firming layer (103) being installed with a second trapezoidal block (1032) in a transverse arrangement, and the second trapezoidal block (1032) and the first trapezoidal block (1031) being matched with each other.
6. A valve sleeve for a hydraulic steering gear as claimed in claim 2, characterized in that: The thickness of the anti-corrosion layer (104) is 0.1-0.3 cm, and the surface of the anti-corrosion layer (104) is sprayed with a polyethylene coating.