Displacement sensor for steering of rear wheels of vehicle

Abstract

The displacement sensor comprises a shell, an electromagnetic inductor is arranged in the shell, a sliding block sliding transversely is arranged on the shell, a magnet is arranged on one side, close to the electromagnetic inductor, of the sliding block, a clamping groove is formed in the other side of the sliding block, the clamping groove is connected with the rear wheel in a clamped mode, and the shell is connected with a steering gear of the rear wheel. According to the utility model, the magnet and the electromagnetic inductor are integrated in one shell to form an integrated structure, so that the requirement on the installation of the sliding block is reduced, and the disassembly and assembly are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to displacement sensor technical field, especially point to a kind of displacement sensor for car rear wheel steering. BACKGROUND

[0002] The displacement sensor of car rear wheel is usually divided into slider with magnet and electromagnetic inductor, electromagnetic inductor is installed on steering gear, slider is installed on car rear wheel, both are completely separate structure, the installation requirement of slider on wheel is higher, if installation is not up to standard, then it affects the normal use of displacement sensor and measurement accuracy, and subsequent is not convenient to disassemble and assemble either. How to set displacement sensor, facilitate its installation, while not affecting measurement accuracy and ensuring that there is larger measurement range, are problems to be solved. SUMMARY

[0003] The utility model provides a kind of displacement sensor for car rear wheel steering, magnet and electromagnetic inductor are collected into one shell, form integrated structure, reduce the requirement of slider installation, facilitate disassembly and assembly.

[0004] The technical scheme of the utility model is realized as follows: a kind of displacement sensor for car rear wheel steering, including shell, electromagnetic inductor is arranged in shell, sliding slider is set on shell, magnet is set on the side of slider close to electromagnetic inductor, the other side is provided with clamping groove, clamping groove is connected with the clamping of car rear wheel, shell is connected with the steering gear of car rear wheel.

[0005] Further, transverse sliding slot is provided on shell, slider includes outer block and inner block, inner block is located at the inner side of transverse sliding slot, shell is located at the outer side of transverse sliding slot, inner block and outer block are detachably connected, magnet is arranged on inner block, clamping groove is located on outer block.

[0006] Further, the both ends of the upper side of inner block are provided with horizontal rod, magnet is encapsulated in horizontal rod, transverse moving slot that cooperates with inner block is provided in shell, the both ends of the upper side of transverse moving slot are provided with transverse expansion slot, and transverse expansion slot is on the moving route of horizontal rod.

[0007] Further, electromagnetic inductor includes circuit board, magnetic induction module and control module, circuit board is U-shaped board, magnetic induction module is arranged on the upper end of U-shaped board, and is located at the middle of the upper side of transverse moving slot, control module is arranged on the lower end of U-shaped board, and is located at the lower side of transverse moving slot, and the closed end of U-shaped board is located at the end of transverse moving slot.

[0008] Further, the inner block is provided with a connecting groove, the outer block is fixed with a guide block which is arranged in the transverse sliding groove, the inner side of the guide block is provided with a connecting block which is clamped with the connecting groove, and the middle parts of the inner block and the outer block are connected through bolts.

[0009] Further, the outer side of the shell is further provided with a transverse guide groove, and the outer block is arranged in the transverse guide groove, and the transverse sliding groove is arranged in the transverse guide groove.

[0010] Further, the inner wall of the shell is further fixed with a transverse limiting strip plate, and the limiting strip plate and the transverse sliding groove are respectively arranged on the two sides of the transverse moving groove.

[0011] Further, the shell is further provided with a mounting groove for accommodating the U-shaped plate, and the mounting groove comprises an upper positioning groove and a lower positioning groove, the upper positioning groove is located on the upper side of the transverse moving groove, and the lower positioning groove is located on the lower side of one end of the transverse moving groove.

[0012] The utility model discloses the beneficial effects of:

[0013] The utility model discloses the magnet and electromagnetic inductor are gathered to a shell, form integral structure, through the slider drive magnet moves, and the slider is connected with the rear wheel of car and clamps, has reduced the requirement of slider installation, and convenient to dismount.

[0014] The utility model discloses the slider includes inner block and outer block, and the outer block is connected with the rear wheel of car, and the outer block drives the sliding of inner block, and the both ends of the upper side of inner block all are provided with horizontal pole, and the magnet sets up in horizontal pole, and cooperates transverse extension groove, is favorable to the extension measuring range of displacement sensor.

[0015] The utility model discloses the cooperation of transverse moving groove, transverse sliding groove, transverse guide groove, limiting strip plate and other structures, limit the moving path of slider, and then limit the moving path of magnet, ensure that it moves along the transverse, and then ensure the measuring accuracy. ACCURATE

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0017] Figure 1 It is the perspective view of the utility model;

[0018] Figure 2 It is the front view of Figure 1 ;

[0019] Figure 3 for Figure 1 Rear view;

[0020] Figure 4 for Figure 2 Sectional view of AA;

[0021] Figure 5 This is a schematic diagram of the internal structure of the present invention;

[0022] Figure 6 for Figure 5 A 3D diagram (without circuit board);

[0023] Figure 7 This is a schematic diagram of the limiting strip.

[0024] 1. Outer shell; 2. Magnet; 3. Slot; 4. Lateral movement slot; 5. Lateral guide slot; 6. Lateral slide; 7. Outer block; 8. Inner block; 9. Connecting slot; 10. Guide block; 11. Connecting block; 12. Bolt; 13. Limiting strip; 14. Crossbar; 15. Lateral expansion slot; 16. Upper positioning slot; 17. Lower positioning slot; 18. Circuit board; 19. Magnetic induction module; 20. Control module. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example 1

[0027] like Figures 1-3 As shown in Figure 5, a displacement sensor for rear wheel steering of a vehicle includes a housing 1, an electromagnetic sensor installed inside the housing 1, a sliding slider on the housing 1, a magnet 2 on one side of the slider near the electromagnetic sensor, and a slot 3 fixed on the other side. A locking block that cooperates with the slot 3 is fixed on the rear wheel of the vehicle. The slider is connected to the rear wheel of the vehicle through the slot 3. The housing 1 is connected to the steering gear of the rear wheel of the vehicle.

[0028] The displacement sensor integrates the magnet 2 and the electromagnetic sensor into the housing 1. During installation, it can be easily installed by simply engaging the slot 3 with the locking block on the rear wheel of the vehicle. It is also convenient for disassembly and maintenance.

[0029] Example 2

[0030] This embodiment is basically the same as Embodiment 1, with the following differences: Figure 2 , 4As shown in Figure 5, a transverse moving groove 4 is provided inside the outer casing 1, and a transverse guiding groove 5 is provided on the outer side. A transverse sliding groove 6 is provided inside the transverse guiding groove 5, that is, the transverse moving groove 4 and the transverse guiding groove 5 are connected through the transverse sliding groove 6.

[0031] The slider includes an outer block 7 and an inner block 8. A magnet 2 is fixed to the inner block 8, and a slot 3 is fixed to the outer block 7. The inner block 8 is placed in the transverse moving groove 4, that is, inside the transverse sliding groove 6. The outer block 7 is placed in the transverse guide groove 5, that is, outside the transverse sliding groove 6. The inner block 8 and the outer block 7 are detachably connected, specifically: the inner block 8 is provided with a connecting groove 9, a guide block 10 is fixed to the inner side of the outer block 7, the guide block 10 is placed in the transverse sliding groove 6, and a connecting block 11 that engages with the connecting groove 9 is fixed to the inner side of the guide block 10. The middle parts of the inner block 8 and the outer block 7 are connected by bolts 12.

[0032] like Figure 2 , 4 As shown in Figure 7, multiple transverse limiting strips 13 are also fixed on the inner wall of the outer casing 1. The limiting strips 13 and the transverse sliding groove 6 are located on both sides of the transverse moving groove 4, respectively. The limiting strips 13 limit the inner block 8 on the side away from the transverse sliding groove 6.

[0033] During slider assembly, the inner block 8 is placed in the transverse moving groove 4, the outer block 7 is placed in the transverse guiding groove 5, the connecting block 11 passes through the transverse sliding groove 6 and is inserted into the connecting groove 9, and finally the fixing bolt 12 is used to fix the inner block 8 and the outer block 7 together. Through the cooperation of the above structure, the movement path of the slider is restricted, thereby restricting the movement path of the magnet 2 and ensuring the accuracy of the displacement sensor.

[0034] Example 3

[0035] This embodiment is basically the same as embodiment 1 or 2, except that: Figure 5 and 6 As shown, both ends of the upper side of the inner block 8 are fixed with crossbars 14, and the magnet 2 is encapsulated inside the crossbars 14. Both ends of the upper side of the transverse moving groove 4 are provided with transverse expansion grooves 15, which are located on the moving path of the crossbars 14. By setting the transverse expansion grooves 15, the moving range of the magnet 2 is increased, thereby expanding the measurement range.

[0036] like Figure 4 , 5As shown in Figs. 6 and 7, the housing 1 is further provided with a mounting groove of the electromagnetic inductor, which includes an upper positioning groove 16 and a lower positioning groove 17. The upper positioning groove 16 is located at the upper side of the horizontal moving groove 4, and the lower positioning groove 17 is located at the lower side of one end of the horizontal moving groove 4. The electromagnetic inductor includes a circuit board 18, a magnetic induction module 19 and a control module 20. The circuit board 18, the magnetic induction module 19 and the control module 20 all belong to the prior art, and the difference lies in that the circuit board 18 of the embodiment is a U-shaped board, the upper end of the U-shaped board is arranged in the upper positioning groove 16, the magnetic induction module 19 is fixed to the upper end of the U-shaped board and located at the middle of the upper side of the horizontal moving groove 4, the control module 20 is fixed to the lower end of the U-shaped board and located in the lower positioning groove 17, and the closed end of the U-shaped board is located at the end of the horizontal moving groove 4. Through the cooperation of the above structure, the whole structure is more compact, and the occupied space is reduced.

[0037] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A displacement sensor for rear wheel steering of a vehicle comprising a housing, characterized in that: The shell is provided with an electromagnetic inductor, and a sliding block is arranged on the shell.

2. A displacement sensor for rear wheel steering of a vehicle as claimed in claim 1 wherein: The shell is provided with a transverse sliding slot, and the sliding block comprises an outer block and an inner block.

3. A displacement sensor for rear wheel steering of a vehicle according to claim 2, wherein: The inner block is located at the inner side of the transverse sliding slot, and the outer block is located at the outer side of the transverse sliding slot.

4. A displacement sensor for rear wheel steering of a vehicle according to claim 3, wherein: The inner block and the outer block are detachably connected, the magnet is arranged on the inner block, and the clamping groove is arranged on the outer block.

5. A displacement sensor for rear wheel steering of a vehicle as claimed in claim 2 wherein: The inner block is provided with a horizontal rod at both ends of the upper side, the magnet is encapsulated in the horizontal rod, the shell is provided with a transverse moving slot matched with the inner block, both ends of the upper side of the transverse moving slot are provided with transverse expansion slots, and the transverse expansion slots are on the moving route of the horizontal rod.

6. A displacement sensor for rear wheel steering of a vehicle according to claim 2, 3 or 5, characterized in that: The electromagnetic inductor comprises a circuit board, a magnetic induction module and a control module.

7. A displacement sensor for rear wheel steering of a vehicle as claimed in claim 3 wherein: The circuit board is a U-shaped plate, the magnetic induction module is arranged at the upper end of the U-shaped plate and located at the middle of the upper side of the transverse moving slot, the control module is arranged at the lower end of the U-shaped plate and located at the lower side of the transverse moving slot, and the closed end of the U-shaped plate is located at the end of the transverse moving slot.

8. A displacement sensor for rear wheel steering of a vehicle as claimed in claim 4 wherein: The inner block is provided with a connecting groove, the inner side of the outer block is fixedly provided with a guide block, the guide block is arranged in the transverse sliding slot, the inner side of the guide block is provided with a connecting block matched with the connecting groove in clamping mode, and the middle portions of the inner block and the outer block are connected through bolts. The outer side of the shell is further provided with a transverse guide slot, the outer block is arranged in the transverse guide slot, and the transverse sliding slot is arranged in the transverse guide slot. The inner wall of the shell is further fixedly provided with a transverse limiting strip plate, and the limiting strip plate and the transverse sliding slot are located at both sides of the transverse moving slot. The shell is further provided with a mounting slot for accommodating the U-shaped plate, and the mounting slot comprises an upper positioning groove and a lower positioning groove. The upper positioning groove is located at the upper side of the transverse moving slot, and the lower positioning groove is located at the lower side of one end of the transverse moving slot.

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