Damping sensor assembly

Abstract

The utility model discloses a damping sensor assembly, and relates to the technical field of sensors. A damping sensor assembly comprises a mounting plate, the mounting plate is connected with a sliding shell, and an outer edge ring on a sensor body is located in a sliding cavity of the sliding shell; according to the utility model, through the arrangement of the elastic damping assembly, when the sensor body slides back and forth on the mounting plate due to external vibration, damping and buffering are carried out, so that the sensor body is prevented from being damaged due to hard impact between the sensor body and a mounting part; when the sensor body slides due to vibration or bumping, the cleaning ring can scrape and clean the surface of the front housing of the sensor body when the sensor body displaces, on one hand, foreign matters attached to the front housing can be scraped off, and the situation that the heat conduction efficiency is reduced due to the fact that too many foreign matters are attached to the front housing is avoided; secondly, foreign matters on the air inlet are scraped off, so that the air inlet is prevented from being blocked.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sensor technical field, specifically, relate to a shock sensor subassembly. BACKGROUND

[0002] On the engine using three-way catalytic converter to reduce exhaust pollution, oxygen sensor is indispensable element, because the air-fuel ratio of mixture deviates from the theoretical air-fuel ratio, the purification ability of three-way catalyst to CO, HC and NOx will sharply drop, so install oxygen sensor in the exhaust pipe, to detect the concentration of oxygen in exhaust, and send feedback signal to ECU, then by ECU control oil injector injection amount, thereby the air-fuel ratio of mixture is controlled near the theoretical value;

[0003] At present, oxygen sensor installation uses in the process, most is through the external thread on the oxygen sensor outer circumferential surface, directly tighten in the installation position, but the installation of this mode belongs to the hard connection with the installation position, and in the process of automobile driving, the installed oxygen sensor is easy to vibrate and collide with the components on the installation position, easy to lead to oxygen sensor work distortion, affect the service life of oxygen sensor, and one end of oxygen sensor is in contact with gas for a long time, easy to attach dust on the surface, and the dust or foreign matter can also block the air inlet hole on the oxygen sensor, leading to oxygen sensor monitoring failure, therefore, a shock sensor subassembly is proposed. CONTENT OF THE UTILITY MODEL

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, and provide a shock sensor subassembly that can overcome the above problems or at least partially solve the above problems.

[0005] To solve the above technical problems, the basic idea of the technical scheme of the utility model is as follows: a shock sensor subassembly, comprising: a mounting plate, a sliding shell is connected to the mounting plate, and an outer edge ring on a sensor body is located in a sliding cavity of the sliding shell; an elastic shock absorbing assembly is arranged on the mounting plate to set up shock absorption between the sensor body and the mounting plate; a cleaning ring is sleeved on a front cover of the sensor body, and when the sensor body slides on the mounting plate, the cleaning ring is rubbed and cleaned on the surface of the front cover.

[0006] Further, a support plate is arranged on the mounting plate, and a mounting hole is formed in the support plate.

[0007] Further, an external thread is formed in the outer circumferential surface of the sliding shell.

[0008] Preferably, the elastic shock absorbing assembly comprises sliding rods fixedly connected to both sides of the mounting plate, an installation rack is fixedly connected to the sensor body, the installation rack is slidingly connected to the sliding rods, and a spring is sleeved on the sliding rods between the installation rack and the support plate.

[0009] Further, an outer thread is formed on the outer periphery of the top end of the slide rod, a nut is threadedly connected to the top end of the slide rod, and a damping sleeve is arranged between the nut and the mounting frame.

[0010] Preferably, the elastic damping assembly comprises a vertical plate connected to the mounting plate, a fixing plate is mounted on the vertical plate, a mounting groove is formed in the bottom surface of the fixing plate, a conical ring is sleeved on the sensor body, the conical ring corresponds to a conical surface on the sensor body, a tension spring is fixedly connected to the conical ring, an installation ring is fixedly connected to the end of the tension spring away from the conical ring, and the installation ring is mounted in the mounting groove.

[0011] Preferably, a connecting rod is symmetrically fixedly connected to the slide shell, and the cleaning ring is mounted on the connecting rod.

[0012] After the above technical scheme is adopted, the utility model has the following beneficial effects compared with the prior art: the elastic damping assembly is arranged, when the sensor body reciprocally slides on the mounting plate due to external vibration, damping and buffering are performed, thereby avoiding hard impact between the sensor body and the mounting component and damage to the sensor body; when the sensor body slides due to vibration or bumping, the cleaning ring can scrape and clean the surface of the front cover shell of the sensor body when the sensor body displaces, which can scrape off foreign matters attached to the front cover shell on one hand, avoids reduction of heat conduction efficiency due to too many foreign matters attached to the front cover shell, and on the other hand, scrapes off foreign matters on the air inlet hole to avoid blocking of the air inlet hole.

[0013] The specific embodiments of the utility model will be described in further detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0014] In the drawings:

[0015] Figure 1 A three-dimensional structure diagram of the shock-absorbing sensor assembly is provided for the utility model Figure 1 ;

[0016] Figure 2 A structure diagram of the slide shell and the sliding cavity of the shock-absorbing sensor assembly is provided for the utility model

[0017] Figure 3 A structure diagram of the cleaning ring of the shock-absorbing sensor assembly is provided for the utility model

[0018] Figure 4 A structure diagram of the slide rod and the spring of the shock-absorbing sensor assembly is provided for the utility model

[0019] Figure 5A schematic diagram of the three-dimensional structure of a shock absorption sensor assembly proposed in this utility model Figure 2 ;

[0020] Figure 6 This is a structural diagram of the mounting groove, mounting ring, tension spring, and tapered ring of a shock-absorbing sensor assembly proposed in the present invention;

[0021] Figure 7 This is a structural schematic diagram of a vertical plate and a fixed plate of a shock-absorbing sensor assembly proposed by the present invention.

[0022] In the figure: 1. Sensor body; 10. Outer ring; 11. Front cover; 12. Air inlet; 13. Conical surface; 2. Mounting plate; 21. Sliding shell; 211. Sliding cavity; 22. Support plate; 23. Mounting hole; 24. Sliding rod; 25. Spring; 26. Damping sleeve; 27. Nut; 28. Mounting bracket; 3. Connecting rod; 31. Cleaning ring; 4. Vertical plate; 41. Fixing plate; 42. Mounting groove; 43. Mounting ring; 44. Tension spring; 45. Conical ring. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0024] Example 1: Reference Figures 1-7 A shock-absorbing sensor assembly includes: a mounting plate 2, a sliding shell 21 being connected to the mounting plate 2, an outer ring 10 on a sensor body 1 being located in a sliding cavity 211 of the sliding shell 21; an elastic shock-absorbing assembly being disposed on the mounting plate 2 to provide shock absorption between the sensor body 1 and the mounting plate 2; a cleaning ring 31 being sleeved on a front cover 11 of the sensor body 1, such that when the sensor body 1 slides on the mounting plate 2, the cleaning ring 31 rubs and cleans the surface of the front cover 11;

[0025] The mounting plate 2 is provided with a support plate 22, and a mounting hole 23 is opened on the support plate 22;

[0026] An external thread is provided on the outer periphery of the sliding housing 21; a connecting rod 3 is symmetrically fixedly connected to the sliding housing 21, and a cleaning ring 31 is installed on the connecting rod 3;

[0027] When in use, connect it to the component to be installed through the mounting hole 23 on the support plate 22 or the external thread on the sliding shell 21. When installing through the mounting hole 23, apply sealant between the sliding shell 21 and the installation component to prevent gas leakage from the external thread.

[0028] When the installation is carried out through the external thread on the sliding shell 21 and the mounting component, the sealant is also applied between the sliding shell 21 and the mounting component, and further sealing is carried out;

[0029] After installation, in the use process, when the sensor body 1 reciprocally slides on the mounting plate 2 due to external vibration, the elastic damping assembly is arranged to dampen and buffer, thereby avoiding hard impact between the sensor body 1 and the mounting component and causing damage to the sensor body 1;

[0030] When the sensor body 1 slides due to vibration or jolt, the cleaning ring 31 can scrape and clean the surface of the front cover 11 of the sensor body 1 when the sensor body 1 is displaced, which can scrape off foreign matters attached to the front cover 11, avoid reduction of heat conduction efficiency due to too many foreign matters attached to the front cover 11, and further scrape off foreign matters on the air inlet hole 12 to avoid blocking of the air inlet hole 12.

[0031] Embodiment 2: Refer to Figures 1-4 A damping sensor assembly, which is basically the same as that in Embodiment 1, and further comprises: the elastic damping assembly comprises slide rods 24 symmetrically and fixedly connected to both sides of the mounting plate 2, the sensor body 1 is fixedly connected with a mounting bracket 28, the mounting bracket 28 is slidably connected to the slide rods 24, and springs 25 are sleeved on the slide rods 24 between the mounting bracket 28 and the support plate 22;

[0032] An external thread is formed on the outer periphery of the top end of the slide rod 24, a nut 27 is threadedly connected to the top end of the slide rod 24, a damping sleeve 26 is arranged between the nut 27 and the mounting bracket 28, and the damping sleeve 26 is made of high-temperature-resistant rubber material;

[0033] The springs 25 can dampen and buffer the sensor body 1, and the damping sleeve 26 is further arranged to dampen and buffer the displacement of the sensor body 1 due to vibration or jolt;

[0034] Meanwhile, the nut 27 is arranged to facilitate assembly.

[0035] Embodiment 3: Refer to Figures 5-7 A damping sensor assembly, which is basically the same as that in Embodiment 2, and further comprises: the elastic damping assembly comprises a vertical plate 4 connected to the mounting plate 2, the vertical plate 4 is provided with a fixed plate 41, the bottom surface of the fixed plate 41 is provided with a mounting groove 42, a conical ring 45 is sleeved on the sensor body 1, the conical ring 45 corresponds to a conical surface 13 on the sensor body 1, a tension spring 44 is fixedly connected to the conical ring 45, one end of the tension spring 44 away from the conical ring 45 is fixedly connected with a mounting ring 43, and the mounting ring 43 is mounted in the mounting groove 42;

[0036] The fixed plate 41 is connected to the vertical plate 4 through screws;

[0037] The mounting ring 43 is connected with the fixing plate 41 through a screw;

[0038] The elastic damping assembly can be conveniently mounted on the sensor body 1.

[0039] The elastic damping assembly is arranged, when the sensor body 1 reciprocally slides on the mounting plate 2 due to external vibration, damping and buffering are performed, thereby avoiding hard impact between the sensor body 1 and the mounting component and damage to the sensor body 1.

[0040] When the sensor body 1 slides due to vibration or bumping, the cleaning ring 31 can scrape and clean the surface of the front cover 11 of the sensor body 1 when the sensor body 1 is displaced, on one hand, foreign matters attached to the front cover 11 can be scraped off, thereby avoiding reduction of heat conduction efficiency due to too many foreign matters attached to the front cover 11, and on the other hand, foreign matters on the air inlet hole 12 can be scraped off, thereby avoiding blockage of the air inlet hole 12.

[0041] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has been disclosed as above, however, it is not intended to limit the utility model, any skilled person in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical solution of the utility model, and equivalent embodiments with equivalent changes are obtained, but any simple modification, equivalent change and modification of the above-mentioned embodiments according to the technical essence of the utility model are still within the scope of the utility model.

Claims

1. A shock sensor assembly, characterized by include: A mounting plate (2), wherein a sliding shell (21) is connected to the mounting plate (2), and an outer edge ring (10) on the sensor body (1) is located in a sliding cavity (211) of the sliding shell (21); An elastic shock-absorbing component is arranged on the mounting plate (2) and is used to provide shock absorption between the sensor body (1) and the mounting plate (2); A cleaning ring (31) is sleeved on the front cover (11) of the sensor body (1). When the sensor body (1) slides on the mounting plate (2), the cleaning ring (31) rubs and cleans the surface of the front cover (11).

2. A shock sensor assembly according to claim 1, wherein, A support plate (22) is provided on the mounting plate (2), and a mounting hole (23) is provided on the support plate (22).

3. A shock sensor assembly according to claim 2, wherein, The outer circumference of the sliding housing (21) is provided with external threads.

4. A shock sensor assembly according to claim 3, wherein, The elastic shock-absorbing assembly includes a slide bar (24) symmetrically fixedly connected to both sides of the mounting plate (2); a mounting frame (28) is fixedly connected to the sensor body (1); the mounting frame (28) is slidably connected to the slide bar (24); and a spring (25) is sleeved on the slide bar (24) located between the mounting frame (28) and the support plate (22).

5. A shock sensor assembly according to claim 4, wherein, An external thread is provided on the outer periphery of the top end of the slide rod (24), a nut (27) is threadedly connected to the top end of the slide rod (24), and a damping sleeve (26) is provided between the nut (27) and the mounting frame (28).

6. A shock sensor assembly according to claim 3, wherein, The elastic shock-absorbing assembly includes a vertical plate (4) connected to the mounting plate (2), a fixed plate (41) is installed on the vertical plate (4), a mounting groove (42) is provided on the bottom surface of the fixed plate (41), a conical ring (45) is sleeved on the sensor body (1), the conical ring (45) corresponds to the conical surface (13) on the sensor body (1), a tension spring (44) is fixedly connected to the conical ring (45), and an end of the tension spring (44) away from the conical ring (45) is fixedly connected to a mounting ring (43), and the mounting ring (43) is installed in the mounting groove (42).

7. A shock sensor assembly according to claim 4 or 6, wherein, A connecting rod (3) is symmetrically fixedly connected to the sliding housing (21), and the cleaning ring (31) is installed on the connecting rod (3).

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