CN217901195U - Sensor assembly of shock absorber, shock absorber and vehicle - Google Patents

Abstract

The utility model discloses a sensor module, shock absorber and vehicle of shock absorber, the sensor module of shock absorber includes: an inner skeleton; the outer framework is sleeved on the outer side of the inner framework; and the sensor is arranged on the outer framework, and is arranged at an interval with the inner framework. From this, through setting up the sensor on the exoskeleton to make the exoskeleton cover and establish in the outside of inner frame, can restrict the transmission path of power in the sensor subassembly of shock absorber, thereby can record the load data of vehicle at the in-process shock absorber that traveles, satisfy the real vehicle test demand of shock absorber, make things convenient for the dismouting and the reuse of the sensor subassembly of shock absorber.

Description

Sensor assembly of shock absorber, shock absorber and vehicle

Technical Field

The utility model belongs to the technical field of the vehicle and specifically relates to a sensor module, shock absorber and vehicle of shock absorber are related to.

Background

During the driving process of the automobile, the road excitation can cause the compression of the shock absorber, and the shock absorber buffer block plays a role in buffering and limiting in the process. When the load borne by the buffer block in the shock absorber is large, the buffer block and the end cover in contact with the buffer block are easy to deform, break and the like.

In the prior art, the buffer block load verification is only arranged on the rack equipment for loading, load data of a real vehicle during running is lost, and accurate data of the real vehicle load is difficult to collect as an improvement and design basis during fault reason analysis and design improvement.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a sensor module of shock absorber, the sensor module of this shock absorber can solve real car buffer block load test problem.

The utility model discloses a shock absorber is further provided.

The utility model discloses a vehicle is further proposed.

According to the utility model discloses sensor assembly of shock absorber, include: an inner skeleton; the outer framework is sleeved outside the inner framework; and the sensor is arranged on the outer framework and is arranged at an interval with the inner framework.

From this, through setting up the sensor on the exoskeleton to make the exoskeleton cover and establish in the outside of inner frame, can restrict the transmission path of power in the sensor subassembly of shock absorber, thereby can record the load data of vehicle at the in-process shock absorber that traveles, satisfy the real vehicle test demand of shock absorber, make things convenient for the dismouting and the reuse of the sensor subassembly of shock absorber.

According to the utility model discloses a some embodiments, the exoskeleton includes first adapter ring, first stand and first backup pad, first backup pad set up in the top of first stand, first adapter ring set up in the bottom of first stand, first stand is a plurality of, and is a plurality of first stand is in first adapter ring with the interval setting upwards in week of first backup pad, first adapter ring with the inner frame is connected fixedly, first backup pad is used for supporting with the buffer block butt, the sensor set up in the inside and outside both sides of first stand.

According to some embodiments of the invention, the sensor is a strain gauge.

According to some embodiments of the utility model, the foil gage bonds set up in the inside and outside both sides of first stand.

According to some embodiments of the utility model, the endoskeleton includes second go-between, second stand and second backup pad, the second backup pad set up in the top of second stand, the second go-between set up in the bottom of second stand, the second stand is a plurality of, and is a plurality of the second stand is in the second go-between with the interval sets up in the circumference of second backup pad, second backup pad interval set up in the below of first backup pad, the second go-between with first connecting ring is connected fixedly, first stand with the second stand staggers each other in circumference.

According to some embodiments of the utility model, inject first heavy groove of subtracting between two adjacent first stands, inject between two adjacent second stands and subtract the groove by a distance from the second, first stand with it subtracts the groove corresponding and with it subtracts groove looks interval to subtract by the second, the second stand with it subtracts the groove corresponding and with it looks interval to subtract by the first heavy groove.

According to some embodiments of the present invention, the upper circumference of the second connection ring is provided with a step portion, the first connection ring set up in on the step portion and with step portion interference fit.

According to the utility model discloses shock absorber, include: a shock absorber body; a piston rod provided to the shock absorber main body to be vertically slidable; the buffer block is sleeved outside the piston rod; the sensor component of the shock absorber is characterized in that the upper end of the shock absorber main body is arranged in the inner framework and in interference fit with the inner framework, the inner framework and the outer framework are respectively provided with a first through hole and a second through hole which correspond to each other, the piston rod penetrates through the first through hole and the second through hole, and the buffer block is abutted to the top of the outer framework for supporting.

According to the utility model discloses vehicle, include: the damper is described above.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a partial schematic view of a sensor assembly of a shock absorber according to an embodiment of the present invention;

FIG. 2 is a partial schematic view of a sensor assembly of a shock absorber according to an embodiment of the present invention;

FIG. 3 is a partial schematic view of a sensor assembly of a shock absorber according to an embodiment of the present invention;

FIG. 4 is a partial schematic view of a sensor assembly of a shock absorber according to an embodiment of the present invention;

reference numerals:

1000. a vehicle;

100. a shock absorber;

10. a sensor assembly;

11. an inner skeleton; 111. a second connection ring; 1111. a step portion; 112. a second upright post; 1121. a second weight-reducing slot; 113. a second support plate; 114. a first perforation;

12. an outer skeleton; 121. a first connecting ring; 122. a first upright post; 1221. a first weight-reducing slot; 123. a first support plate; 124. a second perforation;

13. a sensor; 131. a strain gauge;

20. a damper body; 30. and a buffer block.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

As shown in fig. 1-4, a sensor assembly 10 of a shock absorber 100 according to an embodiment of the present invention may mainly include: the sensor comprises an inner framework 11, an outer framework 12 and a sensor 13, wherein the outer framework 12 is sleeved on the outer side of the inner framework 11. Specifically, the structure setting of sensor unit 10 includes inner frame 11 and exoskeleton 12, and inner frame 11 not only can play bearing structure's effect to exoskeleton 12, can also strengthen sensor unit 10's structural strength, can promote sensor unit 10's job stabilization nature, can promote the accuracy of the load data that sensor unit 10 measured.

In addition, the sensor that real car buffer block load test of current shock absorber department used is single-layer structure, and single-layer structure's sensor needs to be connected through welding and shock absorber and satisfies the intensity requirement, but welded connection's mode not only operates inconveniently, and the operation degree of difficulty is big, and the technological requirement is high, can't dismantle between sensor and the shock absorber moreover, can lead to the unable reuse of sensor to can increase real car buffer block load test's test cost.

The utility model discloses an in the embodiment, because inner frame 11 supports the inside at outer frame 12, can adopt interference fit to connect fixedly between inner frame 11 and shock absorber 100, on the one hand, can guarantee sensor assembly 10 and shock absorber 100's joint strength, on the other hand, need not the welding between sensor assembly 10 and the shock absorber 100, not only can be convenient for installation and dismantlement between sensor assembly 10 and the shock absorber 100, can improve sensor assembly 10's dismouting convenience, but also can realize sensor assembly reuse, reduce the cost of testing of real car buffer block 30 load test.

Therefore, the outer framework 12 is sleeved on the outer side of the inner framework 11, the sensor assembly 10 can be improved into a double-layer structure, the structural strength of the sensor assembly 10 can be improved, the installation difficulty of the sensor assembly 10 can be reduced, the sensor assembly 10 can be conveniently disassembled and assembled while the requirement that the sensor assembly 10 can bear a large load test is met, and the structural performance and the operation performance of the sensor assembly 10 can be improved.

Further, the sensor assembly 10 includes an inner frame 11 and an outer frame 12, the sensor 13 is disposed on the outer frame 12, and the sensor 13 is disposed at a distance from the inner frame 11. Specifically, the inner frame 11 can support the outer frame 12, the structural strength of the outer frame 12 can be enhanced, the outer frame 12 mainly provides a transmission path for the force applied to the sensor assembly 10, the sensor 13 is arranged on the outer frame 12, the sensor 13 can directly collect a strain signal of the force on the transmission path, a strain value is obtained, a calibration coefficient is obtained through calibration coefficient calculation, and then the stress load of the real vehicle buffer block 30 during running can be calculated.

Therefore, the sensor 13 is arranged on the outer frame 12, the outer frame 12 is sleeved on the outer side of the inner frame 11, a force transmission path in the sensor assembly 10 of the shock absorber 100 can be limited, load data of the shock absorber 100 in the driving process of the vehicle 1000 can be measured, the actual vehicle test requirement of the shock absorber 100 is met, and the sensor assembly 10 of the shock absorber 100 can be conveniently disassembled and reused.

As shown in fig. 1, the circumferential side wall of the outer frame 12 and the circumferential side wall of the inner frame 11 are spaced apart, and the sensors 13 are disposed on both the inner and outer sides of the circumferential side wall of the outer frame 12. Specifically, the circumference lateral wall of exoskeleton 12 sets up with the circumference lateral wall interval of inner frame 11, can guarantee that inner frame 11 plays supporting role to exoskeleton 12, guarantees that the power that sensor assembly 10 received can be along the route transmission that outer frame 12's structure provided, and then can guarantee inner frame 11 and exoskeleton 12's work independence, can promote sensor assembly 10's operational reliability.

Further, the circumferential side wall of the outer framework 12 and the circumferential side wall of the inner framework 11 are arranged at intervals, so that the sensor 13 can be conveniently arranged on the inner side and the outer side of the circumferential side wall of the outer framework 12, the position installation of the sensor 13 can be conveniently realized, the assembly operation of the sensor assembly 10 can be conveniently realized, and the production efficiency of the sensor assembly 10 can be improved.

Further, the sensors 13 are arranged on the inner side and the outer side of the circumferential side wall of the outer frame 12, a wheatstone bridge can be formed, the resistance value of the fourth resistor is measured through the resistance values of three known resistors in the wheatstone bridge, so that the strain value of the force transmission path on the outer frame 12 can be calculated, the performance of the resistors is stable, the cost is low, and the reliability of the load test of the real vehicle buffer block 30 can be guaranteed.

Referring to fig. 1 and 3, the outer frame 12 includes a first connecting ring 121, a first upright column 122 and a first supporting plate 123, the first supporting plate 123 is disposed on the top of the first upright column 122, the first connecting ring 121 is disposed on the bottom of the first upright column 122, the first upright columns 122 are plural, and the plural first upright columns 122 are disposed at intervals in the circumferential direction of the first connecting ring 121 and the first supporting plate 123. Specifically, first collar 121, first stand 122 and first backup pad 123 have constituteed the overall structure of exoskeleton 12, and a plurality of first stands 122 set up at the interval in the circumference of first collar 121 and first backup pad 123, can make the connected mode between first collar 121 and the first backup pad 123 reliable and stable, and a plurality of first stands 122 can provide the mounted position for sensor 13 simultaneously, can promote exoskeleton 12's effect stability.

Further, the first connecting ring 121 is fixedly connected to the inner frame 11, the first supporting plate 123 is used for supporting the buffer block 30, and the sensors 13 are disposed on the inner side and the outer side of the first upright 122. Specifically, first connecting ring 121 is connected fixedly with inner frame 11, can support the connection stability between outer frame 12 and the inner frame 11, can guarantee the supporting effect of inner frame 11 to outer frame 12, first backup pad 123 supports with buffer block 30 butt, can make the power that buffer block 30 bore directly transmit to outer frame 12 through first backup pad 123 on, the power that buffer block 30 bore transmits to first stand 122 from first backup pad 123, set up sensor 13 in the inside and outside both sides of first stand 122, can make sensor 13 directly measure the strain value of power, thereby reduce sensor 13's measuring time, can accelerate sensor 13's rate of measurement, can save real car buffer block 30 load test's time.

As shown in fig. 1 and 3, the sensor 13 is a strain gauge 131. Specifically, the strain gauge 131 is an element for measuring strain, such as a sensitive grid, and the working principle of the resistance strain gauge 131 is based on a strain effect, and when a conductor or a semiconductor material is mechanically deformed by an external force, the resistance value of the strain gauge 131 changes accordingly, which is called "strain effect". Strain gauge 131 is insensitive to the electromagnetic field, and is applicable in the operational environment of easy explosion, high vibrations, high load the embodiment of the utility model provides an adopt strain gauge 131, can promote sensor module 10's job stabilization nature, can make real vehicle buffer block 30 load test obtain reliable measuring result.

As shown in fig. 3, strain gauges 131 are bonded to both the inside and outside of first column 122. Specifically, when the load test of the real vehicle buffer block 30 is performed, the first upright column 122 transmits the force borne by the real vehicle buffer block 30, the first upright column 122 is strained at the fixed point of the strain gauge 131, the sensitive grid in the strain gauge 131 is deformed therewith, and the resistance in the strain gauge 131 can be changed, so that the sensor 13 can measure the strain value at the strain gauge 131, and a more accurate strain value can be collected for the sensor assembly 10.

As shown in fig. 1 to 4, the inner frame 11 includes a second connection ring 111, a second upright column 112 and a second support plate 113, the second support plate 113 is disposed at the top of the second upright column 112, the second connection ring 111 is disposed at the bottom of the second upright column 112, the second upright column 112 is provided in plurality, and the plurality of second upright columns 112 are spaced apart in the circumferential direction of the second connection ring 111 and the second support plate 113. Specifically, the second connecting ring 111, the second upright posts 112 and the second support plate 113 form an integral structure of the inner frame 11, the plurality of second upright posts 112 are arranged at intervals in the circumferential direction of the second connecting ring 111 and the second support plate 113, so that the connection mode between the second connecting ring 111 and the second support plate 113 is stable and reliable, meanwhile, the plurality of second upright posts 112 can improve the action stability of the inner frame 11, and can improve the reliability of the support action of the inner frame 11 on the outer frame 12.

Further, the second support plate 113 is disposed below the first support plate 123 at an interval, the second connection ring 111 is fixedly connected to the first connection ring 121, and the first upright 122 and the second upright 112 are circumferentially staggered from each other. Specifically, second backup pad 113 interval sets up in the below of first backup pad 123, can prevent the top of inner frame 11 and the top contact of exoskeleton 12, can guarantee that the whole transfer path transmission from exoskeleton 12 of power that buffer block 30 bore, can promote the accuracy of the strain value that sensor 13 surveyed, can promote the accuracy of the test result of real car buffer block 30 load. In addition, the second connecting ring 111 is fixedly connected with the first connecting ring 121, and the first upright column 122 and the second upright column 112 are staggered in the circumferential direction, so that not only can the connection mode of the inner frame 11 and the outer frame 12 be stable and reliable, the structure is simple, the disassembly is convenient, but also the effects of the first upright column 122 and the second upright column 112 are ensured not to interfere with each other, the force can be transmitted along the transmission path on the outer frame 12, the strain data measured by the strain gauge 131 can be more accurate, and the working reliability of the sensor assembly 10 can be improved.

Referring to fig. 1, a first weight-reducing groove 1221 is defined between two adjacent first columns 122, a second weight-reducing groove 1121 is defined between two adjacent second columns 112, the first columns 122 correspond to the second weight-reducing grooves 1121 and are spaced apart from the second weight-reducing grooves 1121, and the second columns 112 correspond to the first weight-reducing grooves 1221 and are spaced apart from the first weight-reducing grooves 1221. Specifically, the first weight-reduction grooves 1221 and the second weight-reduction grooves 1121 may reduce the mass of the sensor assembly 10 on the premise of ensuring the structural rigidity of the outer frame 12 and the inner frame 11, so that the body weight of the vehicle 1000 may be improved, and the production cost of the sensor assembly 10 may be reduced.

Further, the first upright posts 122 correspond to the second weight reduction grooves 1121 and are spaced apart from the second weight reduction grooves 1121, and the second upright posts 112 correspond to the first weight reduction grooves 1221 and are spaced apart from the first weight reduction grooves 1221, so that on the premise of improving the structural strength of the inner frame 11 and the outer frame 12, the support of the inner frame 11 to the outer frame 12 and the transmission of the force of the outer frame 12 are not interfered with each other, and further, the effect of the sensor assembly 10 in the load test of the real vehicle buffer block 30 can be more reliable.

As shown in fig. 1 to 4, the upper portion of the second connection ring 111 is circumferentially provided with a stepped portion 1111, and the first connection ring 121 is provided on the stepped portion 1111 and is interference-fitted with the stepped portion 1111. Specifically, the step 1111 is circumferentially disposed at the upper portion of the second connection ring 111, which may facilitate the connection and engagement between the first connection ring 121 and the step 1111, and the first connection ring 121 is disposed at the step 1111, which may make the connection position between the first connection ring 121 and the second connection ring 111 more smooth, and may prevent the sensor assembly 10 from stress concentration at the first connection ring 121 and the second connection ring 111, thereby causing damage to the first connection ring 121 and the second connection ring 111.

Further, interference fit between the step portion 1111 of the first connecting ring 121 and the second connecting ring 111, not only can strengthen the connection strength between the outer frame 12 and the inner frame 11, the structure of the sensor assembly 10 can be more compact, the assembly and disassembly of the outer frame 12 and the inner frame 11 in the sensor assembly 10 can be more convenient, the sensor assembly 10 can be ensured to be under the premise of measuring the load data of the real vehicle buffer block 30, the disassembly and assembly convenience of the sensor assembly 10 is improved, the inner frame 11 and the outer frame 12 in the sensor assembly 10 can be recycled, and the test cost of the load test of the real vehicle buffer block 30 can be saved.

Combine fig. 2 to show, the utility model provides an embodiment's shock absorber 100 includes shock absorber main part 20, the piston rod, buffer block 30 and sensor subassembly 10, wherein, the piston rod can set up in shock absorber main part 20 with sliding from top to bottom, outside the piston rod was located to buffer block 30 cover, when vehicle 1000 traveles and takes place to jolt on the actual road, the piston rod is owing to receive road surface vibration load compressed, thereby can drive buffer block 30 and compressed, buffer block 30 can transmit the power that the road surface vibration produced to shock absorber main part 20, shock absorber main part 20 carries out the damping effect to the vibration that vehicle 1000 travel in-process received, thereby can reduce the inside vibration sensation of vehicle 1000.

Further, the upper end of the absorber main body 20 is disposed in the inner frame 11, and is interference-fitted with the inner frame 11. Specifically, the upper end of the shock absorber main body 20 is arranged in the inner frame 11, so that the shock absorber main body 20 can provide a fixed mounting position for the inner frame 11, the force transmitted by the buffer block 30 can be transmitted to the sensor assembly 10 before the shock absorber 100 performs a shock absorption function, and the accuracy of the load data of the real vehicle buffer block 30 measured by the sensor assembly 10 can be improved.

Further, interference fit between the upper end of the shock absorber main body 20 and the inner frame 11 can ensure that the connection strength between the shock absorber main body 20 and the inner frame 11 meets the measurement requirement of the real vehicle buffer block 30 load test, the installation difficulty between the shock absorber main body 20 and the sensor assembly 10 can be reduced, and the installation convenience of the sensor assembly 10 can be improved. In addition, the interference fit between the upper end of the damper main body 20 and the inner frame 11 also facilitates the removal of the sensor unit 10, and the removal of the same sensor unit 10 after the test is completed can be reused in the load test of the real vehicle bump stop 30 of the other vehicle 1000 and the damper 100, thereby increasing the reusability of the sensor unit 10.

Furthermore, the inner frame 11 and the outer frame 12 are respectively provided with a first through hole 114 and a second through hole 124 corresponding to each other, the piston rod penetrates through the first through hole 114 and the second through hole 124, and the buffer block 30 is supported by abutting against the top of the outer frame 12. Specifically, the first through hole 114 and the second through hole 124 are disposed correspondingly, so that the piston rod can move smoothly in the shock absorber main body 20 and the sensor assembly 10, and the damping effect of the shock absorber 100 during driving can be ensured to be stable and reliable. In addition, buffer block 30 supports with outer frame 12 top butt, not only can guarantee that buffer block 30's structural position is stable, but also can reduce the loss that power transmitted to outer frame 12 from buffer block 30, can make sensor 13 measuring strain value more accurate, can make real car buffer block 30 load test obtain more accurate data.

With reference to fig. 1-4, the vehicle 1000 of the embodiment of the present invention includes the above-mentioned shock absorber 100, so that the shock absorber 100 can not only ensure the shock absorbing effect of the vehicle 1000, but also measure the load of the buffer block 30 during the running process of the real vehicle, thereby providing a more accurate design basis for the analysis and design improvement of the failure cause of the vehicle 1000. In addition, the sensor assembly 10 described above may be adapted for use with different types of shock absorbers 100 or vehicles 1000 and may be positioned in appropriate locations for different scenarios of testing requirements.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A sensor assembly (10) for a shock absorber (100), comprising:

an inner skeleton (11);

the outer framework (12), the outer framework (12) is sleeved on the outer side of the inner framework (11); and

sensor (13), sensor (13) set up in on exoskeleton (12), sensor (13) with inner frame (11) interval sets up.

2. The sensor assembly (10) of a shock absorber (100) as set forth in claim 1 wherein said circumferential side wall of said outer frame (12) is spaced from said circumferential side wall of said inner frame (11), said sensors (13) being disposed on both an inner side and an outer side of said circumferential side wall of said outer frame (12).

3. The sensor assembly (10) of the shock absorber (100) according to claim 2, wherein the outer frame (12) includes a first connecting ring (121), a first column (122) and a first supporting plate (123), the first supporting plate (123) is disposed on a top of the first column (122), the first connecting ring (121) is disposed on a bottom of the first column (122), the first column (122) is plural, the first columns (122) are disposed at intervals in a circumferential direction of the first connecting ring (121) and the first supporting plate (123), the first connecting ring (121) is fixedly connected to the inner frame (11), the first supporting plate (123) is configured to abut against a cushion block (30) for supporting, and the sensors (13) are disposed on inner and outer sides of the first column (122).

4. A sensor assembly (10) of a shock absorber (100) as set forth in claim 3 wherein said sensor (13) is a strain gauge (131).

5. The sensor assembly (10) of a shock absorber (100) of claim 4 wherein the strain gage (131) is adhesively disposed on both the inner and outer sides of the first upright (122).

6. The sensor assembly (10) of the shock absorber (100) as set forth in claim 3, wherein the inner frame (11) comprises a second connecting ring (111), a second pillar (112) and a second support plate (113), the second support plate (113) is disposed on top of the second pillar (112), the second connecting ring (111) is disposed on bottom of the second pillar (112), the second pillar (112) is plural, the second pillars (112) are spaced apart from each other in circumferential direction of the second connecting ring (111) and the second support plate (113), the second support plate (113) is spaced apart from each other below the first support plate (123), the second connecting ring (111) is fixedly connected to the first connecting ring (121), and the first pillar (122) and the second pillar (112) are circumferentially offset from each other.

7. The sensor assembly (10) of a shock absorber (100) as set forth in claim 6 wherein adjacent first uprights (122) define first weight-reducing slots (1221) therebetween and adjacent second uprights (112) define second weight-reducing slots (1121) therebetween, said first uprights (122) corresponding to said second weight-reducing slots (1121) and being spaced from said second weight-reducing slots (1121), said second uprights (112) corresponding to said first weight-reducing slots (1221) and being spaced from said first weight-reducing slots (1221).

8. The sensor assembly (10) of a shock absorber (100) of claim 6, wherein an upper portion of the second connection ring (111) is circumferentially provided with a step (1111), and the first connection ring (121) is provided on the step (1111) and is interference-fitted with the step (1111).

9. A shock absorber (100) comprising:

a damper body (20);

a piston rod provided to the shock absorber main body (20) so as to be vertically slidable;

the buffer block (30), the said buffer block (30) is located outside the said piston rod;

the sensor assembly (10) of the shock absorber (100) as set forth in any one of claims 1-8, wherein an upper end of the shock absorber body (20) is disposed in the inner frame (11) and is in interference fit with the inner frame (11), the inner frame (11) and the outer frame (12) are respectively provided with a corresponding first through hole (114) and a corresponding second through hole (124), the piston rod is inserted through the first through hole (114) and the second through hole (124), and the buffer block (30) is supported in abutment with the top of the outer frame (12).

10. A vehicle, characterized by comprising: the shock absorber (100) of claim 9.

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