Vehicle-mounted height sensor device

Abstract

The utility model provides a vehicle-mounted height sensor device, which relates to the technical field of vehicle height sensors and comprises a sensor body. The sensor body is provided with a sensor shell in the front-back direction, internal threaded cylinders in the up-down direction are arranged in front of the left end face and behind the right end face of the sensor shell, through holes in the left-right direction are formed in the middles of the outer side walls of the internal threaded cylinders of the sensor shell, and a vertically-through containing hole is formed in the front end of a rotating plate at the top of the sensor shell. A penetrating hole in the front-back direction is formed in the front wall of a placement hole of a sensor shell, so that a bolt fixing barrel can be conveniently installed on the sensor shell through threads, and rotation stopping and looseness prevention are conducted through a locking rotation stopping column; the problems that the metal cylinder cannot be disassembled and replaced after the internal circumferential threads of the metal cylinder are damaged, the metal cylinder is inconvenient to be installed on the plastic shell through the threads, and the metal cylinder is disassembled and replaced by rotation stopping measures for rotation stopping and looseness prevention are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle height sensors, and in particular relates to a vehicle-mounted height sensor device. Background Art

[0002] The vehicle height sensor, also known as the vehicle height sensor, is an instrument used to detect the height of the vehicle body. It is generally used in the air suspension and active suspension of the car. The vehicle height sensor usually adopts a photoelectric sensor. The sensor body is installed on the end of the vehicle body. The up and down movement of the suspension is converted into the rotational movement of the disk slot through the control connecting rod. The change of the output of the photointerrupter is used to detect the vehicle height and convert it into an electrical signal input into the control device.

[0003] Based on the above, the inventors have found that the existing vehicle height sensor device has the following deficiencies:

[0004] 1. The metal tube used for bolt installation of the sensor and the plastic shell cannot be disassembled, which makes it impossible to disassemble and replace the metal tube after the internal circumferential thread of the metal tube is damaged. It is inconvenient to install the metal tube on the plastic shell through the thread and use anti-rotation measures to prevent rotation and loosening to realize the disassembly and replacement of the metal tube;

[0005] 2. There is no anti-loosening measure for the limit nut on the bearing column between the rotating plate of the sensor and the external connecting rod, which makes the limit nut easy to rotate and loosen during long-term use. It is not convenient to install anti-loosening measures on the nut end of the bearing column to prevent the limit nut from loosening. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a vehicle-mounted height sensor device to solve the problem that the metal tube and the plastic shell used for bolt installation of the existing sensor cannot be disassembled, resulting in the inability to disassemble and replace the metal tube after the internal circumferential thread of the metal tube is damaged, and it is inconvenient to install the metal tube on the plastic shell through threads and use anti-rotation measures to prevent rotation and loosening to achieve disassembly and replacement of the metal tube; there are no anti-loosening measures for the limit nut on the bearing column between the rotating plate of the sensor and the external connecting rod, resulting in the limit nut easily rotating and loosening during long-term use, and it is inconvenient to add anti-loosening measures on the nut end of the bearing column to prevent the limit nut from loosening.

[0007] The purpose and effect of the vehicle height sensor device of the utility model are achieved by the following specific technical means:

[0008] A vehicle-mounted height sensor device comprises a sensor body; the sensor body is provided with a sensor shell in the front-to-back direction, an internal threaded cylinder in the up-to-down direction is provided in front of the left end face and behind the right end face of the sensor shell, a through hole in the left-to-right direction is provided in the middle of the outer wall of the internal threaded cylinder of the sensor shell, a placement hole penetrating up and down is provided at the front end of the top rotating plate of the sensor shell, a through hole in the front-to-back direction is provided on the wall in front of the placement hole of the sensor shell, a bolt fixing cylinder in the up-to-down direction is installed inside the internal threaded cylinder of the sensor shell, a thread is provided on the inner circumference of the bolt fixing cylinder, a thread is provided on the outer circumference of the bolt fixing cylinder, a rotating groove penetrating left and right is provided on the top end face of the bolt fixing cylinder, a threaded blind hole is provided in the middle of the outer side of the outer circumference of the bolt fixing cylinder, a locking stop column in the left-to-right direction is installed inside the threaded blind hole of the bolt fixing cylinder, a thread is provided on the outer circumference of the locking stop column, and a regular hexagonal groove is provided on the outer end face of the locking stop column.

[0009] Furthermore, an anti-loosening locking column is installed on the inner circumference of the upper part of the external threaded tube of the rotating bearing column in the up and down directions, the outer circumference of the anti-loosening locking column is provided with a thread, the top end face of the anti-loosening locking column is provided with a regular hexagonal groove, and the bottom end face of the anti-loosening locking column is provided with an inverted cone.

[0010] Furthermore, a support stop block is provided inside the strip hole of the rotating bearing column through a fixed axis limiter, a strip hole in the middle of the support stop block is provided in the inward and outward directions, a support inclined surface is provided on the top of the inner end surface of the support stop block, and a tightening inclined surface is provided on the bottom of the outer end surface of the support stop block.

[0011] Furthermore, a rotating supporting column in the up-and-down direction is inserted inside the rotating supporting cylinder, an insertion column is arranged at the bottom of the rotating supporting column, a limiting ring plate is arranged on the outer circumference of the bottom of the insertion column of the rotating supporting column, a regular hexagonal groove is provided on the bottom end face of the insertion column of the rotating supporting column, an externally threaded cylinder is arranged on the top end face of the insertion column of the rotating supporting column, a thread is provided on the upper inner circumference of the externally threaded cylinder of the rotating supporting column, four strip holes in the up-and-down direction are provided in a circular array on the upper wall of the externally threaded cylinder of the rotating supporting column, a fixing hole is provided in the middle of the strip hole of the rotating supporting column, an anti-loosening nut is installed on the lower outer circumference of the externally threaded cylinder of the rotating supporting column, and an anti-loosening ring plate is arranged on the outer periphery of the bottom of the anti-loosening nut.

[0012] Furthermore, a fixed anti-slip column is installed in the threaded blind hole of the rotating bearing cylinder in the front-to-back direction, a threaded column is arranged behind the fixed anti-slip column, and a regular hexagonal prism is arranged on the front end surface of the threaded column of the fixed anti-slip column.

[0013] Furthermore, a rotating bearing cylinder is placed in the placement hole of the sensor housing in the up-and-down direction, and a threaded blind hole is opened in the middle of the front of the outer circumference of the rotating bearing cylinder.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The convenient bolt fixing cylinder is installed on the sensor housing through threads and is locked with a locking anti-rotation column to prevent rotation and loosening, which solves the problem that the metal cylinder used for bolt installation of the sensor and the plastic shell are non-detachable, resulting in the inability to disassemble and replace the metal cylinder after the internal circumferential thread is damaged, and it is inconvenient to install the metal cylinder on the plastic shell through threads and use anti-rotation measures to stop rotation and loosening to realize the problem of disassembly and replacement of the metal cylinder.

[0016] It is convenient to open the anti-rotation block and the anti-loosening locking column and install it on the rotating bearing column to prevent the anti-loosening nut from loosening. It solves the problem that there is no anti-loosening measure for the limit nut on the bearing column between the rotating plate of the sensor and the external connecting rod, which makes the limit nut easy to rotate and loosen during long-term use, and it is inconvenient to add anti-loosening measures at the nut end of the bearing column to prevent the limit nut from loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a main structural schematic diagram of the utility model.

[0018] Figure 2 It is a schematic diagram of the disassembled structure of the utility model.

[0019] Figure 3 It is a cross-sectional schematic diagram of a bolt fixing cylinder of the utility model.

[0020] Figure 4 It is a cross-sectional schematic diagram of the rotary bearing column of the utility model.

[0021] In the figure: 1. Sensor body; 2. Sensor housing; 3. Bolt fixing cylinder; 4. Locking anti-rotation column; 5. Rotating bearing cylinder; 6. Fixed anti-slip column; 7. Rotating bearing column; 8. Anti-loosening nut; 9. Spreading anti-rotation block; 10. Anti-loosening locking column. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings and examples.

[0023] Embodiment 1:

[0024] As attached Figure 1 To Attachment Figure 4 As shown:

[0025] The utility model provides a vehicle-mounted height sensor device, including a sensor body 1; the sensor body 1 is provided with a sensor housing 2 in the front-to-back direction, which is convenient for carrying various components; the sensor housing 2 is provided with internal threaded cylinders in the up-down direction in front of the left end face and the rear of the right end face, which is convenient for the bolt fixing cylinder 3 to be installed through threads; a through hole in the left-to-right direction is opened in the middle of the outer wall of the internal threaded cylinder of the sensor housing 2, which is convenient for the locking anti-rotation column 4 to be inserted; a placement hole that penetrates up and down is opened at the front end of the rotating plate at the top of the sensor housing 2, which is convenient for the rotating bearing cylinder 5 to be placed; a through hole in the front-to-back direction is opened on the front wall of the placement hole of the sensor housing 2, which is convenient for the fixing anti-slip column 6 to pass through; a bolt fixing cylinder 3 in the up-to-down direction is installed inside the internal threaded cylinder of the sensor housing 2, which is convenient for the bolt fixing cylinder 3 to be disassembled and assembled through threads; a thread is opened on the inner circumference of the bolt fixing cylinder 3, which is convenient for bolt installation; a thread is opened on the outer circumference of the bolt fixing cylinder 3, which is convenient for installation on the sensor housing 2 through threads; a thread is opened on the top end face of the bolt fixing cylinder 3 The rotating groove that runs through the left and right is convenient for rotating and disassembling by tools. A threaded blind hole is provided in the middle of the outer side of the outer circumference of the bolt fixing cylinder 3, which is convenient for the locking and anti-rotation column 4 to be installed by thread. The threaded blind hole of the bolt fixing cylinder 3 is installed with locking and anti-rotation columns 4 in the left and right directions, which is convenient for the bolt fixing cylinder 3 to be anti-rotated and anti-loose. The outer circumference of the locking and anti-rotation column 4 is provided with a thread, which is convenient for disassembly and assembly by thread. A regular hexagonal groove is provided on the outer end face of the locking and anti-rotation column 4, which is convenient for rotation by tools. A rotating bearing cylinder 5 in the upper and lower directions is placed inside the placement hole of the sensor housing 2, which is convenient for the rotating bearing column 7 to be inserted and installed. A threaded blind hole is provided in the middle of the front of the outer circumference of the rotating bearing cylinder 5, which is convenient for the fixing anti-slip column 6 to be installed by thread. A fixed anti-slip column 6 in the front and rear directions is installed inside the threaded blind hole of the rotating bearing cylinder 5, which is convenient for preventing the rotating bearing cylinder 5 from slipping off. A threaded column is provided at the rear of the fixed anti-slip column 6, which is convenient for installation by thread. The front end face of the threaded column of the fixed anti-slip column 6 is provided with a regular hexagonal prism, which is convenient for rotating and disassembling by tools.

[0026] Among them, a rotating bearing column 7 in the upward and downward directions is inserted into the rotating bearing cylinder 5, which is convenient for carrying the external connecting rod. An insertion column is arranged at the bottom of the rotating bearing column 7, which is convenient for the rotating bearing cylinder 5 and the external connecting rod to be assembled. A limiting ring plate is arranged on the outer circumference of the bottom of the insertion column of the rotating bearing column 7, which is convenient for preventing the external connecting rod from falling off. A regular hexagonal groove is provided on the bottom end face of the insertion column of the rotating bearing column 7, which is convenient for rotating and disassembling by tools. An external threaded cylinder is provided on the top end face of the insertion column of the rotating bearing column 7, which is convenient for the anti-loosening nut 8 to be installed by thread. A thread is provided on the upper inner circumference of the external threaded cylinder of the rotating bearing column 7, which is convenient for the anti-loosening locking column 10 to be installed by thread. Four strip holes in the upward and downward directions are arranged in an annular array on the upper wall of the external threaded cylinder of the rotating bearing column 7, which is convenient for the anti-rotation block 9 to be inserted into the interior. A fixing hole is provided in the middle of the strip hole of the rotating bearing column 7, which is convenient for fixing the shaft. A anti-loosening nut 8 is installed on the lower outer circumference of the external threaded cylinder of the rotating bearing column 7. In order to prevent the rotating bearing column 7 from falling off, an anti-loosening ring plate is arranged on the periphery of the bottom of the anti-loosening nut 8 to increase the contact area for anti-loosening. The strip hole of the rotating bearing column 7 is limited by the fixed shaft and there is a support stop block 9 to facilitate the inward and outward movement of the support stop block 9. A strip hole in the middle of the support stop block 9 is provided with an inward and outward direction to facilitate the passage of the fixed shaft. The top of the inner end surface of the support stop block 9 is provided with a support inclined surface to facilitate contact with the inverted truncated table of the anti-loosening locking column 10. The bottom of the outer end surface of the support stop block 9 is provided with a support inclined surface to facilitate contact with the inverted truncated table of the anti-loosening locking column 10. A tightening inclined surface is provided to facilitate contact with the inner circumference of the anti-loosening nut 8, and an anti-loosening locking column 10 is installed in the upper inner circumference of the external threaded tube of the rotating bearing column 7 in the upper and lower directions, which is convenient for expanding the anti-rotation block 9 outward, and a thread is provided on the outer circumference of the anti-loosening locking column 10 for convenient installation through the thread. A regular hexagonal groove is provided on the top end face of the anti-loosening locking column 10 for convenient rotation by tools, and an inverted frustum is provided on the bottom end face of the anti-loosening locking column 10 for convenient expansion of the anti-rotation block 9 outward.

[0027] The specific usage and function of this embodiment are as follows:

[0028] In the present utility model, Figure 1 When the bolt fixing cylinder 3 in the sensor body 1 is disassembled, the locking stop column 4 is rotated by a tool to engage with the thread of the bolt fixing cylinder 3, so that the locking stop column 4 moves outward through the thread engagement to disengage from the threaded blind hole of the bolt fixing cylinder 3, and then the bolt fixing cylinder 3 is rotated by a tool to engage with the thread of the sensor housing 2, so that the bolt fixing cylinder 3 rises through the thread engagement to disengage from the internal thread cylinder of the sensor housing 2, thereby realizing the disassembly of the bolt fixing cylinder 3; wherein the external linkage rod is sleeved on the outer circumference of the lower part of the insertion column of the rotating bearing column 7, so that the sensor body 1 and the external linkage rod form a rotational connection through the rotating bearing column 7, as shown in FIG. Figure 1 Shown is the state after the external linkage rod is removed.

[0029] Embodiment 2:

[0030] The difference from the first embodiment is that the regular hexagonal groove of the anti-loosening locking column 10 can also be set as a regular triangular groove, so that the anti-loosening locking column 10 can only be rotated by a special tool that cooperates with the regular triangular groove, preventing non-staff from rotating and disassembling the anti-loosening locking column 10.

[0031] Embodiment three:

[0032] The difference from the first embodiment is that the inner end surface of the locking stop column 4 can also be set to a frosted surface, thereby increasing the friction between the inner end surface of the locking stop column 4 and the bolt fixing tube 3, preventing the locking stop column 4 from rotating loose.

Claims

1. A vehicle-mounted height sensor device, characterized in that: The sensor body (1) comprises a sensor housing (2); the sensor housing (2) is provided with an internal threaded cylinder in the up-down direction in front of the left end face and the rear of the right end face; a through hole in the left-right direction is provided in the middle of the outer wall of the internal threaded cylinder of the sensor housing (2); a placement hole penetrating up and down is provided at the front end of the top rotating plate of the sensor housing (2); a through hole in the front-back direction is provided on the wall in front of the placement hole of the sensor housing (2); a bolt fixing cylinder (3) is installed inside the internal threaded cylinder of the sensor housing (2); a thread is provided on the inner circumference of the bolt fixing cylinder (3); a thread is provided on the outer circumference of the bolt fixing cylinder (3); a rotation groove penetrating left and right is provided on the top end face of the bolt fixing cylinder (3); a threaded blind hole is provided in the middle of the outer side of the outer circumference of the bolt fixing cylinder (3); a locking stop column (4) is installed inside the threaded blind hole of the bolt fixing cylinder (3); a thread is provided on the outer circumference of the locking stop column (4); and a regular hexagonal groove is provided on the outer end face of the locking stop column (4).

2. A vehicle height sensor device as claimed in claim 1, characterized in that: A rotating bearing cylinder (5) is placed inside the placement hole of the sensor housing (2), and a threaded blind hole is provided in the middle of the front of the outer circumference of the rotating bearing cylinder (5).

3. A vehicle height sensor device as claimed in claim 2, characterized in that: A fixed anti-slip column (6) is installed inside the threaded blind hole of the rotating bearing cylinder (5), a threaded column is arranged behind the fixed anti-slip column (6), and a regular hexagonal prism is arranged on the front end surface of the threaded column of the fixed anti-slip column (6).

4. A vehicle-mounted height sensor device as claimed in claim 3, characterized in that: A rotating bearing column (7) is inserted into the rotating bearing cylinder (5), an insertion column is arranged at the bottom of the rotating bearing column (7), a limiting ring plate is arranged on the outer circumference of the bottom of the insertion column of the rotating bearing column (7), a regular hexagonal groove is provided on the bottom end face of the insertion column of the rotating bearing column (7), an external threaded cylinder is arranged on the top end face of the insertion column of the rotating bearing column (7), a thread is provided on the upper inner circumference of the external threaded cylinder of the rotating bearing column (7), four strip holes in the upper and lower directions are arranged in a circular array on the upper wall of the external threaded cylinder of the rotating bearing column (7), a fixing hole is arranged in the middle of the strip hole of the rotating bearing column (7), a locking nut (8) is installed on the lower outer circumference of the external threaded cylinder of the rotating bearing column (7), and a locking ring plate is arranged on the outer periphery of the bottom of the locking nut (8).

5. A vehicle-mounted height sensor device as claimed in claim 4, characterized in that: A support stop block (9) is provided inside the strip hole of the rotating bearing column (7) through a fixed axis limiter, a strip hole in the middle of the support stop block (9) is provided in the inner and outer directions, a support inclined surface is provided at the top of the inner end surface of the support stop block (9), and a tightening inclined surface is provided at the bottom of the outer end surface of the support stop block (9).

6. A vehicle-mounted height sensor device as claimed in claim 5, characterized in that: An anti-loosening locking column (10) is installed on the inner circumference of the upper part of the external threaded cylinder of the rotating bearing column (7), the outer circumference of the anti-loosening locking column (10) is provided with threads, the top end surface of the anti-loosening locking column (10) is provided with a regular hexagonal groove, and the bottom end surface of the anti-loosening locking column (10) is provided with an inverted truncated cone.

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