Adjustable sensor support

Abstract

The adjustable sensor support comprises a connecting shaft and a fixing part, the front end of the connecting shaft is connected with a sensor, the rear end of the connecting shaft is connected with an adjustable device, the adjustable device comprises a bearing, a limiting sleeve and an adjusting ring, and the inner ring of the limiting sleeve is provided with a first check ring and a second check ring. When the adjustable sensor support is used, tangential force is applied to the adjusting ring, the limiting sleeve, the bearing and the connecting shaft can rotate relatively, when the operation distance of a sensor is appropriate, application of the tangential force is stopped, the connecting shaft is fixed through the first check ring and the second check ring, and therefore accurate adjustment of the sensor support is achieved. The influence of vibration on measurement is effectively reduced through the cooperation of a plurality of springs and bearings, the structural design is reasonable, and the stability and reliability of the device are guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical equipment accessories, and in particular to an adjustable sensor bracket. Background Art

[0002] In industrial automation, robotics, intelligent manufacturing, and various precision measurement and control systems, sensors are key components for data acquisition. The accuracy of their installation position directly affects the overall performance of the system and the accuracy of the measurement results. Traditional sensor brackets are often fixed in design and cannot be flexibly adjusted according to subtle changes in actual application scenarios. This not only limits the application scope of the sensor, but may also lead to increased measurement errors, thereby affecting the stability and reliability of the system.

[0003] In addition, with the continuous development of science and technology, sensor technology is also constantly improving, new sensors are constantly emerging, and their requirements for installation environment, installation position and adjustment accuracy are getting higher and higher. Therefore, it is particularly important to develop an adjustable sensor bracket that can flexibly adjust the sensor position, adapt to different installation environments, and improve measurement accuracy. Summary of the invention

[0004] In view of the problems existing in current sensor brackets, such as complex structure, cumbersome operation, low adjustment precision or high cost, the present invention provides an adjustable sensor bracket, aiming to provide a device with simple structure, easy operation and the ability to accurately adjust the sensor position.

[0005] To achieve the above object, the embodiments of the present invention adopt the following technical solutions: An adjustable sensor bracket comprises a connecting shaft and a fixed part, the rear end of the connecting shaft is connected to the sensor, and the outer periphery of the rear end of the connecting shaft is connected to an adjustable device; the rear end of the adjustable device is connected to the fixed part; the adjustable device comprises a bearing, a limit sleeve and an adjusting ring, the bearing sleeve is arranged at the rear end of the connecting shaft, the limit sleeve is arranged on the connecting shaft and abuts against the outer periphery of the bearing, the adjusting ring is arranged on the outer periphery of the limit sleeve to drive the limit sleeve to rotate and adjust the axial displacement of the rotating shaft, the rear end of the connecting shaft is sleeved with a first spring, the inner ring of the limit sleeve is provided with a first retaining ring and a second retaining ring, the first retaining ring is connected to the bearing to limit the bearing, the second retaining ring is sleeved on the outer periphery of the connecting shaft to limit the non-axial movement of the connecting shaft, and the limit sleeve is provided with a shell.

[0006] Preferably, the adjustable device further comprises a tail shell, which is arranged on the periphery of the limiting sleeve and abuts against the front end of the adjusting ring.

[0007] Preferably, a step portion is provided on the tail shell near the end of the adjustment ring, and the adjustment ring is sleeved on the outside of the step portion.

[0008] Preferably, the adjustable device further comprises a second spring, and the second spring is arranged outside the limiting sleeve and close to the adjusting ring, that is, in the gap between the adjusting ring and the limiting sleeve.

[0009] Preferably, the connecting shaft also includes a connecting shaft disc, which is arranged in the middle of the connecting shaft; the bearing includes a first bearing and a second bearing, the first bearing is sleeved in the middle of the connecting shaft and abuts against the connecting shaft disc, and the second bearing is sleeved at the rear end of the connecting shaft.

[0010] Preferably, a first bearing and two second bearings are sleeved on the connecting shaft.

[0011] Preferably, a limiting snap-in is provided at a position relative to the second bearing on the inner side of the limiting sleeve to limit the axial displacement of the second bearing.

[0012] Preferably, 1-5 anti-slip grooves are provided on the outer side of the adjustment ring.

[0013] Preferably, the housing is threadedly connected to the fixing portion.

[0014] Preferably, the rear end of the connecting shaft is hollow.

[0015] Advantages of the implementation of the present invention: the adjustable sensor bracket is flexible to adjust, and can accurately adjust the sensor position by rotating the outer shell and moving the connecting shaft. The coordinated cooperation of multiple springs and bearings effectively reduces the influence of vibration on measurement, and its structural design is reasonable. The various components of the outer shell and the limit sleeve cooperate with each other to ensure the stability and reliability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of an adjustable sensor bracket according to the present invention; Figure 2 The figure is a schematic diagram of the appearance of an adjustable sensor bracket described in the present invention.

[0018] Figure numerals: 1. outer shell; 2. limit sleeve; 3. connecting shaft; 4. tail outer shell; 5. adjustment ring; 6. fixing part; 7. second bearing; 8. first bearing; 9. first retaining ring; 10. second retaining ring; 11. second spring; 12. first spring. DETAILED DESCRIPTION

[0019] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0020] Example 1

[0021] like Figure 1 and Figure 2 As shown, an adjustable sensor bracket includes a connecting shaft 3 and a fixing portion 6. The rear end of the connecting shaft 3 is connected to the sensor, and the rear end of the connecting shaft 3 is connected to an adjustable device; the rear end of the adjustable device is connected to the fixing portion 6. The connecting shaft 3 serves as the axis of rotation and adjustment, and the bracket adjusts the sensor by adjusting the connecting shaft 3.

[0022] Example 2

[0023] like Figure 1 and Figure 2 As shown, an adjustable sensor bracket includes a connecting shaft 3 and a fixing portion 6. The rear end of the connecting shaft 3 is connected to the sensor, and the rear end of the connecting shaft 3 is connected to an adjustable device; the rear end of the adjustable device is connected to the fixing portion 6. The connecting shaft 3 serves as the axis of rotation and adjustment, and the bracket adjusts the sensor by adjusting the connecting shaft 3.

[0024] The adjustable device includes a bearing, a limit sleeve 2 and an adjustment ring 5. The bearing is sleeved at the rear end of the connecting shaft 3. The limit sleeve 2 is sleeved on the connecting shaft 3 and abuts against the outer periphery of the bearing. The adjustment ring 5 is sleeved on the outer periphery of the limit sleeve 2 to drive the limit sleeve 2 to rotate and adjust the axial displacement of the rotating shaft. The bearing abuts against the limit sleeve 2 and supports the connecting shaft 3 on the axis, which is used to reduce the friction and wear of the connecting shaft 3 during the rotation process and improve the smoothness and accuracy of the rotation. The limit sleeve 2 is used to limit the axial movement of the connecting shaft 3 to prevent it from falling out during use, ensuring the stability and safety of the structure.

[0025] A first spring 12 is sleeved on the rear end of the connecting shaft 3, and the first spring 12 cooperates with the bearing to reduce the impact of vibration. The inner ring of the limiting sleeve 2 is provided with a first retaining ring 9 and a second retaining ring 10, the first retaining ring 9 is connected to the bearing to limit the bearing, and the second retaining ring 10 is sleeved on the outer periphery of the connecting shaft 3 to limit the non-axial movement of the connecting shaft 3, and the limiting sleeve 2 is sleeved with a shell 1. The shell 1 is the basic connecting part of the entire bracket, which is connected to other components and provides stable support for them. The adjustable device is set along the central axis to fix and adjust the position of related components to ensure the stability and accuracy of the entire bracket structure.

[0026] The adjustable device further comprises a tail shell 4, which is arranged on the periphery of the limit sleeve 2 and abuts against the front end of the adjustment ring 5 to prevent foreign matter from entering the interior of the bracket to affect the operation of the bracket and improve the integrity of the bracket.

[0027] A step portion is provided on the tail housing 4 near the end of the adjustment ring 5 , and the adjustment ring 5 is sleeved on the outside of the step portion to prevent the tail housing 4 from excessively moving during the adjustment process.

[0028] Among them, the connecting shaft 3 also includes a connecting shaft 3 disc, and the connecting shaft 3 disc is arranged in the middle of the connecting shaft 3; the bearing includes a first bearing 8 and a second bearing 7, the first bearing 8 is sleeved in the middle of the connecting shaft 3 and abuts against the connecting shaft 3 disc, and the second bearing 7 is sleeved at the rear end of the connecting shaft 3. The first bearing 8 is used to bear axial loads to ensure that the relative positions between components are stable during the axial adjustment process, reducing axial friction and wear. The second bearing 7 is mainly used to bear radial loads as a supporting component of the connecting shaft 3. A first bearing 8 and two second bearings 7 are sleeved on the connecting shaft 3. A limiting bayonet is provided at the relative position of the second bearing 7 on the inner side of the limiting sleeve 2, which is used to limit the axial displacement of the second bearing 7 and ensure the stability of the operation of the sensor bracket.

[0029] The housing 1 is threadedly connected to the fixing portion 6 .

[0030] After the sensor bracket is assembled according to the design requirements, the adjustable sensor bracket is fixed by the fixing part 6, the sensor is installed in the hole at the rear end of the connecting shaft 3, and then the axial force is applied through the connecting shaft 3 to slide the connecting shaft 3 to adjust the distance of the sensor. Further fine adjustment can be performed through the adjustment ring 5. By applying a tangential force to the adjustment ring 5, the limit sleeve 2, the bearing and the connecting shaft 3 will rotate relative to each other. When the operating distance of the sensor is appropriate, the tangential force is stopped, and the first retaining ring 9 and the second retaining ring 10 fix the connecting shaft 3, that is, the operating distance of the sensor is fixed.

[0031] Example 3

[0032] like Figure 1 and Figure 2 As shown, an adjustable sensor bracket includes a connecting shaft 3 and a fixing portion 6. The rear end of the connecting shaft 3 is connected to the sensor, and the rear end of the connecting shaft 3 is connected to an adjustable device; the rear end of the adjustable device is connected to the fixing portion 6. The connecting shaft 3 serves as the axis of rotation and adjustment, and the bracket adjusts the sensor by adjusting the connecting shaft 3.

[0033] The adjustable device includes a bearing, a limit sleeve 2 and an adjustment ring 5. The bearing is sleeved at the rear end of the connecting shaft 3. The limit sleeve 2 is sleeved on the connecting shaft 3 and abuts against the outer periphery of the bearing. The adjustment ring 5 is sleeved on the outer periphery of the limit sleeve 2 to drive the limit sleeve 2 to rotate and adjust the axial displacement of the rotating shaft. The bearing abuts against the limit sleeve 2 and supports the connecting shaft 3 on the axis, which is used to reduce the friction and wear of the connecting shaft 3 during the rotation process and improve the smoothness and accuracy of the rotation. The limit sleeve 2 is used to limit the axial movement of the connecting shaft 3 to prevent it from falling out during use, ensuring the stability and safety of the structure.

[0034] A first spring 12 is sleeved on the rear end of the connecting shaft 3, and the first spring 12 cooperates with the bearing to reduce the impact of vibration. The inner ring of the limiting sleeve 2 is provided with a first retaining ring 9 and a second retaining ring 10, the first retaining ring 9 is connected to the bearing to limit the bearing, and the second retaining ring 10 is sleeved on the outer periphery of the connecting shaft 3 to limit the non-axial movement of the connecting shaft 3, and the limiting sleeve 2 is sleeved with a shell 1. The shell 1 is the basic connecting part of the entire bracket, which is connected to other components and provides stable support for them. The adjustable device is set along the central axis to fix and adjust the position of related components to ensure the stability and accuracy of the entire bracket structure.

[0035] The adjustable device further comprises a tail shell 4, which is arranged on the periphery of the limit sleeve 2 and abuts against the front end of the adjustment ring 5 to prevent foreign matter from entering the interior of the bracket to affect the operation of the bracket and improve the integrity of the bracket.

[0036] A step portion is provided on the tail housing 4 near the end of the adjustment ring 5 , and the adjustment ring 5 is sleeved on the outside of the step portion to prevent the tail housing 4 from excessively moving during the adjustment process.

[0037] The adjustable device further includes a second spring 11, which is arranged outside the limiting sleeve 2 near the adjusting ring 5, that is, in the gap between the adjusting ring 5 and the limiting sleeve 2. The second spring 11 is used to reduce the impact of external vibration on the sensor, absorb the impact and pressure caused by external vibration or load changes, and protect the components from damage. It helps to achieve dynamic balance when the bracket moves or adjusts, making the adjustment smoother and more accurate.

[0038] Among them, the connecting shaft 3 also includes a connecting shaft 3 disc, and the connecting shaft 3 disc is arranged in the middle of the connecting shaft 3; the bearing includes a first bearing 8 and a second bearing 7, the first bearing 8 is sleeved in the middle of the connecting shaft 3 and abuts against the connecting shaft 3 disc, and the second bearing 7 is sleeved at the rear end of the connecting shaft 3. The first bearing 8 is used to bear axial loads to ensure that the relative positions between components are stable during the axial adjustment process, reducing axial friction and wear. The second bearing 7 is mainly used to bear radial loads as a supporting component of the connecting shaft 3. A first bearing 8 and two second bearings 7 are sleeved on the connecting shaft 3. A limiting bayonet is provided at the relative position of the second bearing 7 on the inner side of the limiting sleeve 2, which is used to limit the axial displacement of the second bearing 7 and ensure the stability of the operation of the sensor bracket.

[0039] The housing 1 is threadedly connected to the fixing portion 6 .

[0040] After assembling the sensor bracket according to the design requirements, fix the adjustable sensor bracket through the fixing part 6, install the sensor in the hole at the front end of the connecting shaft 3, and then apply axial force through the connecting shaft 3, slide the connecting shaft 3 to adjust the distance of the sensor. Further fine adjustment can be performed through the adjusting ring 5. By applying tangential force to the adjusting ring 5, the limit sleeve 2, the bearing and the connecting shaft 3 will rotate relative to each other. When the operating distance of the sensor is appropriate, stop applying the tangential force, and the first retaining ring 9 and the second retaining ring 10 will fix the connecting shaft 3, that is, fix the operating distance of the sensor. The setting of the second spring 11 reduces the impact of external vibration on the sensor, absorbs the impact and pressure caused by external vibration or load changes, and protects the components from damage. It helps to achieve dynamic balance when the bracket moves or adjusts, making the adjustment smoother and more precise.

[0041] Example 4

[0042] like Figure 1 and Figure 2 As shown, an adjustable sensor bracket includes a connecting shaft 3 and a fixing portion 6. The rear end of the connecting shaft 3 is connected to the sensor, and the rear end of the connecting shaft 3 is connected to an adjustable device; the rear end of the adjustable device is connected to the fixing portion 6. The connecting shaft 3 serves as the axis of rotation and adjustment, and the bracket adjusts the sensor by adjusting the connecting shaft 3.

[0043] The adjustable device includes a bearing, a limit sleeve 2 and an adjustment ring 5. The bearing is sleeved at the rear end of the connecting shaft 3. The limit sleeve 2 is sleeved on the connecting shaft 3 and abuts against the outer periphery of the bearing. The adjustment ring 5 is sleeved on the outer periphery of the limit sleeve 2 to drive the limit sleeve 2 to rotate and adjust the axial displacement of the rotating shaft. The bearing abuts against the limit sleeve 2 and supports the connecting shaft 3 on the axis, which is used to reduce the friction and wear of the connecting shaft 3 during the rotation process and improve the smoothness and accuracy of the rotation. The limit sleeve 2 is used to limit the axial movement of the connecting shaft 3 to prevent it from falling out during use, ensuring the stability and safety of the structure.

[0044] A first spring 12 is sleeved on the rear end of the connecting shaft 3, and the first spring 12 cooperates with the bearing to reduce the impact of vibration. The inner ring of the limiting sleeve 2 is provided with a first retaining ring 9 and a second retaining ring 10, the first retaining ring 9 is connected to the bearing to limit the bearing, and the second retaining ring 10 is sleeved on the outer periphery of the connecting shaft 3 to limit the non-axial movement of the connecting shaft 3, and the limiting sleeve 2 is sleeved with a shell 1. The shell 1 is the basic connecting part of the entire bracket, which is connected to other components and provides stable support for them. The adjustable device is set along the central axis to fix and adjust the position of related components to ensure the stability and accuracy of the entire bracket structure.

[0045] Among them, 1-5 anti-skid grooves are arranged on the outer side of the adjustment ring 5, which improves the applicability of the sensor bracket and prevents slipping when making detailed adjustments to the connecting shaft 3, thus facilitating operation.

[0046] The adjustable device further comprises a tail shell 4, which is arranged on the periphery of the limit sleeve 2 and abuts against the front end of the adjustment ring 5 to prevent foreign matter from entering the interior of the bracket to affect the operation of the bracket and improve the integrity of the bracket.

[0047] A step portion is provided on the tail housing 4 near the end of the adjustment ring 5 , and the adjustment ring 5 is sleeved on the outside of the step portion to prevent the tail housing 4 from excessively moving during the adjustment process.

[0048] Among them, the connecting shaft 3 also includes a connecting shaft 3 disc, and the connecting shaft 3 disc is arranged in the middle of the connecting shaft 3; the bearing includes a first bearing 8 and a second bearing 7, the first bearing 8 is sleeved in the middle of the connecting shaft 3 and abuts against the connecting shaft 3 disc, and the second bearing 7 is sleeved at the rear end of the connecting shaft 3. The first bearing 8 is used to bear axial loads to ensure that the relative positions between components are stable during the axial adjustment process, reducing axial friction and wear. The second bearing 7 is mainly used to bear radial loads as a supporting component of the connecting shaft 3. A first bearing 8 and two second bearings 7 are sleeved on the connecting shaft 3. A limiting bayonet is provided at the relative position of the second bearing 7 on the inner side of the limiting sleeve 2, which is used to limit the axial displacement of the second bearing 7 and ensure the stability of the operation of the sensor bracket.

[0049] The housing 1 is threadedly connected to the fixing portion 6 .

[0050] After assembling the sensor bracket according to the design requirements, fix the adjustable sensor bracket through the fixing part 6, install the sensor in the hole at the rear end of the connecting shaft 3, and then apply axial force through the connecting shaft 3 to slide the connecting shaft 3 to adjust the distance of the sensor. Further fine adjustment can be performed through the adjustment ring 5. By applying tangential force to the adjustment ring 5, the limit sleeve 2, the bearing and the connecting shaft 3 will rotate relative to each other. When the operating distance of the sensor is appropriate, stop applying the tangential force, and the first retaining ring 9 and the second retaining ring 10 will fix the connecting shaft 3, that is, fix the operating distance of the sensor. The setting of the anti-skid groove improves the applicability of the sensor bracket, and it is not easy to slip when making detailed adjustments to the connecting shaft 3, which is convenient for operation.

[0051] Example 5

[0052] like Figure 1 and Figure 2 As shown, an adjustable sensor bracket includes a connecting shaft 3 and a fixing portion 6. The front end of the connecting shaft 3 is connected to the sensor, and the rear end of the connecting shaft 3 is connected to an adjustable device; the rear end of the adjustable device is connected to the fixing portion 6. The connecting shaft 3 serves as the axis of rotation and adjustment, and the bracket adjusts the sensor by adjusting the connecting shaft 3.

[0053] The adjustable device includes a bearing, a limit sleeve 2 and an adjustment ring 5. The bearing is sleeved at the rear end of the connecting shaft 3. The limit sleeve 2 is sleeved on the connecting shaft 3 and abuts against the outer periphery of the bearing. The adjustment ring 5 is sleeved on the outer periphery of the limit sleeve 2 to drive the limit sleeve 2 to rotate and adjust the axial displacement of the rotating shaft. The bearing abuts against the limit sleeve 2 and supports the connecting shaft 3 on the axis, which is used to reduce the friction and wear of the connecting shaft 3 during the rotation process and improve the smoothness and accuracy of the rotation. The limit sleeve 2 is used to limit the axial movement of the connecting shaft 3 to prevent it from falling out during use, ensuring the stability and safety of the structure.

[0054] A first spring 12 is sleeved on the rear end of the connecting shaft 3, and the first spring 12 cooperates with the bearing to reduce the impact of vibration. The inner ring of the limiting sleeve 2 is provided with a first retaining ring 9 and a second retaining ring 10, the first retaining ring 9 is connected to the bearing to limit the bearing, and the second retaining ring 10 is sleeved on the outer periphery of the connecting shaft 3 to limit the non-axial movement of the connecting shaft 3, and the limiting sleeve 2 is sleeved with a shell 1. The shell 1 is the basic connecting part of the entire bracket, which is connected to other components and provides stable support for them. The adjustable device is set along the central axis to fix and adjust the position of related components to ensure the stability and accuracy of the entire bracket structure.

[0055] The rear end of the connecting shaft 3 is hollow for installing a sensor.

[0056] The adjustable device further comprises a tail shell 4, which is arranged on the periphery of the limit sleeve 2 and abuts against the front end of the adjustment ring 5 to prevent foreign matter from entering the interior of the bracket to affect the operation of the bracket and improve the integrity of the bracket.

[0057] A step portion is provided on the tail housing 4 near the end of the adjustment ring 5 , and the adjustment ring 5 is sleeved on the outside of the step portion to prevent the tail housing 4 from excessively moving during the adjustment process.

[0058] Among them, the connecting shaft 3 also includes a connecting shaft 3 disc, and the connecting shaft 3 disc is arranged in the middle of the connecting shaft 3; the bearing includes a first bearing 8 and a second bearing 7, the first bearing 8 is sleeved in the middle of the connecting shaft 3 and abuts against the connecting shaft 3 disc, and the second bearing 7 is sleeved at the rear end of the connecting shaft 3. The first bearing 8 is used to bear axial loads to ensure that the relative positions between components are stable during the axial adjustment process, reducing axial friction and wear. The second bearing 7 is mainly used to bear radial loads as a supporting component of the connecting shaft 3. A first bearing 8 and two second bearings 7 are sleeved on the connecting shaft 3. A limiting bayonet is provided at the relative position of the second bearing 7 on the inner side of the limiting sleeve 2, which is used to limit the axial displacement of the second bearing 7 and ensure the stability of the operation of the sensor bracket.

[0059] The housing 1 is threadedly connected to the fixing portion 6 .

[0060] The implementation principle of an adjustable sensor bracket in an embodiment of the present application is as follows: after assembling the sensor bracket according to the design requirements, fix the adjustable sensor bracket through the fixing part 6, install the sensor in the hole at the front end of the connecting shaft 3, and then apply axial force through the connecting shaft 3, slide the connecting shaft 3 to adjust the distance of the sensor. Further fine adjustment can be performed through the adjustment ring 5. By applying a tangential force to the adjustment ring 5, the limit sleeve 2, the bearing and the connecting shaft 3 will rotate relative to each other. When the operating distance of the sensor is appropriate, stop applying the tangential force, and the first retaining ring 9 and the second retaining ring 10 will fix the connecting shaft 3, that is, fix the operating distance of the sensor. The rear end of the connecting shaft 3 is hollow inside, which can ensure the installation of sensors of different sizes.

[0061] Advantages of the implementation of the present invention: the adjustable sensor bracket is flexible to adjust, and can accurately adjust the sensor position by rotating the outer shell 1 and moving the connecting shaft 3. The coordinated cooperation of multiple springs and bearings effectively reduces the influence of vibration on measurement, and its structural design is reasonable. The various components of the outer shell 1 and the limit sleeve 2 cooperate with each other to ensure the stability and reliability of the device.

[0062] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the art within the technical scope disclosed in the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. An adjustable sensor bracket, comprising a connecting shaft (3) and a fixing portion (6), It is characterized in that The rear end of the connecting shaft (3) is connected to a sensor, and the outer periphery of the rear end of the connecting shaft (3) is connected to an adjustable device; the rear end of the adjustable device is connected to the fixed portion (6); the adjustable device comprises a bearing, a limiting sleeve (2) and an adjusting ring (5); the bearing is sleeved at the rear end of the connecting shaft; the limiting sleeve (2) is sleeved on the connecting shaft and abuts against the outer periphery of the bearing; the adjusting ring (5) is sleeved on the outer periphery of the limiting sleeve (2) to drive the limiting sleeve (2) to rotate and adjust the axial displacement of the rotating shaft; a first spring (12) is sleeved on the rear end of the connecting shaft (3); a first retaining ring (9) and a second retaining ring (10) are provided on the inner ring of the limiting sleeve (2); the first retaining ring (9) is connected to the bearing and limits the bearing; the second retaining ring (10) is sleeved on the outer periphery of the connecting shaft (3) to limit the non-axial movement of the connecting shaft (3); and the limiting sleeve (2) is sleeved on a housing (1).

2. The adjustable sensor bracket according to claim 1, It is characterized in that The adjustable device further comprises a tail shell (4), wherein the tail shell (4) is arranged on the periphery of the limiting sleeve (2) and abuts against the front end of the adjusting ring (5).

3. The adjustable sensor bracket according to claim 2, It is characterized in that A step portion is provided on the tail housing (4) near the end of the adjustment ring (5), and the adjustment ring (5) is sleeved on the outside of the step portion.

4. The adjustable sensor bracket according to claim 2, It is characterized in that The adjustable device further comprises a second spring (11), wherein the second spring (11) is arranged in the gap between the adjusting ring (5) and the limiting sleeve (2).

5. The adjustable sensor bracket according to claim 1, It is characterized in that The connecting shaft (3) further comprises a connecting shaft (3) disc, wherein the connecting shaft (3) disc is arranged in the middle of the connecting shaft (3); the bearing comprises a first bearing (8) and a second bearing (7), wherein the first bearing (8) is sleeved in the middle of the connecting shaft (3) and abuts against the connecting shaft (3) disc, and the second bearing (7) is sleeved at the rear end of the connecting shaft (3).

6. The adjustable sensor bracket according to claim 5, It is characterized in that A first bearing (8) and two second bearings (7) are sleeved on the connecting shaft (3).

7. The adjustable sensor bracket according to claim 5, It is characterized in that A limiting snap-in is provided at a position relative to the second bearing (7) on the inner side of the limiting sleeve (2) to limit the axial displacement of the second bearing (7).

8. The adjustable sensor bracket according to any one of claims 1 to 7, It is characterized in that The outer side of the adjustment ring (5) is provided with 1 to 5 anti-slip grooves.

9. The adjustable sensor bracket according to claim 1, It is characterized in that The housing (1) is threadedly connected to the fixing portion (6).

10. The adjustable sensor bracket according to claim 1, It is characterized in that The rear end of the connecting shaft (3) is hollow.

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