Power steering structure with adjustable driving force

Abstract

The utility model discloses a power steering structure with adjustable driving force, which comprises a first shell, the interior of the first shell is rotatably connected with a steering screw rod through a sealing bearing, the outer wall of the steering screw rod is provided with a spiral groove, the outer wall of the steering screw rod is movably connected with a steering nut, and the steering nut is provided with a driving wheel. The outer wall of the steering nut is connected with a steering rod in an engaged mode, and the outer wall of the steering rod is rotationally connected with the inner wall of the first shell through a sealing bearing. According to the power steering structure with the adjustable driving force, through cooperation of the electric push rod, the sleeve, the connecting rod, the second shell and the supporting plate, the driving force can be adjusted according to the using habit of a user, and therefore the driving force can be adjusted according to the driving habit of the user when the user is not familiar with the state of an automobile; therefore, the probability of occurrence of traffic accidents can be greatly reduced, and convenience is brought to use of people.

Description

Technical Field

[0001] The utility model relates to the technical field of steering gears, in particular to a power steering structure with adjustable driving force. Background Art

[0002] The steering gear is a mechanical device that can randomly change the route and direction of a manned or unmanned vehicle during operation. It is commonly known as a steering gear or steering machine. It is the most important component in the steering system. Its function is to increase the force transmitted from the steering wheel to the steering transmission mechanism and change the direction of force transmission.

[0003] The driving force of the traditional power steering structure is fixed after the car is installed and produced, and cannot be adjusted. The driving force varies depending on the car brand. When different people drive different cars, their own driving habits cannot well meet the needs of multiple car brands. When people are not familiar with the car status, traffic accidents are likely to occur, which brings inconvenience to people's use. Utility Model Content

[0004] In response to the deficiencies in the prior art, the present invention provides a power steering structure with adjustable driving force, which solves the problem that the driving force of the traditional power steering structure is in a fixed state after the car is installed and produced and cannot be adjusted. Due to different car brands, the driving force is also different. When different people drive different cars, due to their own driving habits, they cannot well meet the needs of multiple car brands. When people are not familiar with the status of the car, traffic accidents are very likely to occur, which brings inconvenience to people's use.

[0005] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a power steering structure with adjustable driving force, including a first shell, the interior of the first shell is rotatably connected to a steering screw through a sealed bearing, the outer wall of the steering screw is processed with a spiral groove, the outer wall of the steering screw is movably connected to a steering nut, the outer wall of the steering nut is meshed and connected to a steering rod, the outer wall of the steering rod is rotatably connected to the inner wall of the first shell through a sealed bearing, a second shell is installed on one side of the first shell, a support plate is installed at the lower part of the interior of the second shell, the outer wall of the support plate is detachably connected to an electric push rod, the output end of the electric push rod is detachably connected to a pressure sensor, the outer wall of the pressure sensor is detachably connected to a sleeve, a connecting rod is installed at the end of the steering screw, the outer wall of the connecting rod is rotatably connected to the inner wall of the second shell through a sealed bearing, and a lubricating oil port is provided at the lower part of one side of the first shell.

[0006] Preferably, a sealing ring is installed at the connection between the first housing and the steering screw on one side close to the second housing.

[0007] Preferably, the inner wall groove of the sleeve is detachably connected to a wear-resistant block.

[0008] Preferably, the inner wall of the sleeve is movably connected to a limit rod, and one end of the limit rod is fixedly connected to the inner wall of the second shell.

[0009] Preferably, the outer wall of the connecting rod is a smooth plane.

[0010] Beneficial effects

[0011] The utility model provides a power steering structure with adjustable driving force. The utility model has the following beneficial effects: the power steering structure with adjustable driving force can adjust the driving force according to user habits through the cooperation of an electric push rod, a sleeve, a connecting rod, a second housing, and a support plate. Therefore, even when the user is not familiar with the vehicle's state, the driving force can be adjusted according to their driving habits, thereby ensuring driving comfort, greatly reducing the probability of traffic accidents, and bringing convenience to people's use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the utility model;

[0013] Figure 2 for Figure 1 sectional view of

[0014] Figure 3 for Figure 2 A schematic structural diagram of the second housing, the limiting rod and the sleeve;

[0015] Figure 4 for Figure 2 Schematic diagram of the structure of the steering screw, electric push rod and sealing ring.

[0016] In the figure: 1. First housing; 2. Steering screw; 3. Spiral groove; 4. Steering nut; 5. Steering rod; 6. Lubricating oil port; 7. Second housing; 8. Support plate; 9. Electric push rod; 10. Pressure sensor; 11. Sleeve; 12. Wear-resistant block; 13. Limit rod; 14. Sealing ring; 15. Connecting rod. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process.

[0019] The driving force of the traditional power steering structure is fixed after the car is installed and cannot be adjusted. The driving force varies depending on the car brand. When different people drive different cars, their driving habits cannot meet the needs of multiple car brands. When people are not familiar with the car status, traffic accidents are likely to occur, which brings inconvenience to people's use.

[0020] In view of this, the utility model provides a power steering structure with adjustable driving force. Through the cooperation of the electric push rod, the sleeve, the connecting rod, the second shell and the support plate, the size of the driving force can be adjusted according to one's own usage habits. Therefore, even when one is not familiar with the state of the car, one can also adjust it according to one's own driving habits, thereby ensuring driving comfort, thereby greatly reducing the probability of traffic accidents and bringing convenience to people's use.

[0021] Example 1: By Figure 1 、 2 , 3 and 4 show that a power steering structure with adjustable driving force comprises a first housing 1, wherein the interior of the first housing 1 is rotatably connected to a steering screw 2 via a sealed bearing, the outer wall of the steering screw 2 is processed with a spiral groove 3, the outer wall of the steering screw 2 is movably connected to a steering nut 4, the outer wall of the steering nut 4 is meshedly connected to a steering rod 5, the outer wall of the steering rod 5 is rotatably connected to the inner wall of the first housing 1 via a sealed bearing, a second housing 7 is mounted on one side of the first housing 1, a support plate 8 is mounted on the lower interior of the second housing 7, an electric push rod 9 is detachably connected to the outer wall of the support plate 8, a pressure sensor 10 is detachably connected to the output end of the electric push rod 9, a sleeve 11 is detachably connected to the outer wall of the pressure sensor 10, a connecting rod 15 is mounted on the end of the steering screw 2, the outer wall of the connecting rod 15 is rotatably connected to the inner wall of the second housing 7 via a sealed bearing, and a lubricating oil port 6 is provided on the lower side of one side of the first housing 1;

[0022] In the specific implementation process, it is worth noting that there is no restriction on the models of the electric push rod 9 and the pressure sensor 10, as long as they meet the use requirements. The present invention should be provided with a controller and a display that match the electric push rod 9 and the pressure sensor 10, so that the use state of the electric push rod 9 can be controlled by the detection value of the pressure sensor 10, and the staff can adjust the driving force by the connection state between the sleeve 11 and the connecting rod 15.

[0023] Furthermore, a sealing ring 14 is installed at the connection between the first housing 1 and the steering screw 2 on the side close to the second housing 7;

[0024] In the specific implementation process, it is worth noting that the sealing ring 14 can ensure the sealing performance between the first housing 1 and the steering screw 2;

[0025] Furthermore, the inner wall groove of the sleeve 11 is detachably connected to a wear-resistant block 12;

[0026] In the specific implementation process, it is worth noting that the design of the wear-resistant block 12 can extend the service life of the casing 11, and the material of the wear-resistant block 12 is not limited, as long as it meets the use requirements, and the wear-resistant block 12 can be disassembled and replaced;

[0027] Furthermore, the inner wall of the sleeve 11 is movably connected to a limit rod 13, and one end of the limit rod 13 is fixedly connected to the inner wall of the second housing 7;

[0028] In the specific implementation process, it is worth noting that the limiting rod 13 can limit the sleeve 11;

[0029] Furthermore, the outer wall of the connecting rod 15 is a smooth plane;

[0030] In the specific implementation process, it is worth noting that the smooth surface design can reduce the wear of the wear-resistant block 12 during use, and because the magnitude of the driving force depends on the tightness of the wear-resistant block 12 and the connecting rod 15 when adjusting the driving force, the connecting rod 15 with a smooth surface does not interfere with the adjustment of the driving force.

[0031] Specifically, when using the power steering structure with adjustable driving force, when the driving force needs to be changed, the staff turns on the electric push rod 9 through the external control device, and the electric push rod 9 can drive the pressure sensor 10 to move. At the same time, the pressure sensor 10 drives the sleeve 11 to move. When the sleeve 11 contacts the outer wall of the connecting rod 15, the pressure sensor 10 can detect the pressure size and then change the driving force size. Then, when the pressure size is appropriate, the electric push rod 9 can be turned off. When the connecting rod 15 is driven to rotate, the driving force size can be changed by the friction between the connecting rod 15 and the sleeve 11.

[0032] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include," "comprise," or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations. The phrase "includes an element defined by..." does not exclude the presence of other identical elements in the process, method, article, or device that includes the element.

[0033] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A power steering structure with adjustable driving force, comprising a first housing (1), characterized in that: The interior of the first housing (1) is rotatably connected to a steering screw (2) via a sealed bearing. The outer wall of the steering screw (2) is processed with a spiral groove (3). The outer wall of the steering screw (2) is movably connected to a steering nut (4). The outer wall of the steering nut (4) is meshedly connected to a steering rod (5). The outer wall of the steering rod (5) is rotatably connected to the inner wall of the first housing (1) via a sealed bearing. A second housing (7) is installed on one side of the first housing (1). A support plate (8) is installed below the interior of the second housing (7). The outer wall of the support plate (8) is detachably connected to an electric push rod (9). The output end of the electric push rod (9) is detachably connected to a pressure sensor (10). The outer wall of the pressure sensor (10) is detachably connected to a sleeve (11). A connecting rod (15) is installed at the end of the steering screw (2). The outer wall of the connecting rod (15) is rotatably connected to the inner wall of the second housing (7) via a sealed bearing. A lubricating oil port (6) is provided below one side of the first housing (1).

2. The power steering structure with adjustable driving force according to claim 1, characterized in that: A sealing ring (14) is installed at the connection between the first housing (1) and the steering screw (2) on one side close to the second housing (7).

3. The power steering structure with adjustable driving force according to claim 1, characterized in that: The inner wall groove of the sleeve (11) is detachably connected to a wear-resistant block (12).

4. The power steering structure with adjustable driving force according to claim 1, characterized in that: The inner wall of the sleeve (11) is movably connected to a limiting rod (13), and one end of the limiting rod (13) is fixedly connected to the inner wall of the second shell (7).

5. The power steering structure with adjustable driving force according to claim 1, characterized in that: The outer wall of the connecting rod (15) is a smooth plane.

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