CN217503289U

CN217503289U - Fixing device for vibration sensor

Info

Publication number: CN217503289U
Application number: CN202221669562.1U
Authority: CN
Inventors: 张子奇; 成王军; 郑君涛
Original assignee: Autobio Labtec Instruments Zhengzhou Co Ltd
Current assignee: Autobio Labtec Instruments Zhengzhou Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-09-27
Anticipated expiration: 2032-06-30

Abstract

The application discloses a fixing device of a vibration sensor, which comprises a fixing disc main body, wherein the fixing disc main body is provided with a through hole for accommodating the vibration sensor and a mounting hole for passing a screw, and the bottom of the fixing disc main body is provided with a first groove for accommodating a detachable pasting part, so that the fixing device can be fixed on the flat surface of an instrument to be tested by using the detachable pasting part, and can also be fixed on the instrument to be tested by using the screw to simultaneously pass through a heat dissipation hole of the instrument to be tested and a screw hole on the fixing device, the influence on the instrument to be measured is reduced, and the precision of vibration measurement can be improved.

Description

Fixing device for vibration sensor

Technical Field

The utility model relates to a vibrations equipment technical field, more specifically say, relate to a vibrations sensor fixing device.

Background

Some high-value instruments are required to perform a transportation shock test, that is, to measure the amount of shock occurring when the high-value instruments are transported on a vehicle while being vibrated along with the road conditions, and therefore a shock sensor is required to be fixed to the surface of the instrument, the surface of the instrument has two conditions, namely, the surface is smooth, the surface is provided with heat dissipation holes, and the surface of the instrument needs to be beautiful because of the shape, therefore, the area of the flat part is not large, the area of the area capable of fixing the vibration sensor is smaller, the surface of the instrument to be measured is a flat metal shell, it is an aluminum shell or an iron shell, the thickness is generally 2 mm, the shell is painted, so the paint surface can not be damaged in the measuring process, in addition, the other part of the surface of the instrument to be tested is provided with heat dissipation holes in dense array arrangement, the diameter of each heat dissipation hole is 3 mm or 4 mm, and in this case, the heat dissipation holes can be fixed by using screws of M3 or M4.

However, the existing vibration measuring device fixes the sensor on the surface through 6 fixing claws, and because the size of the vibration measuring device is large, a fixing plane with a large area is needed, so that the vibration measuring device is only suitable for large-scale mechanical equipment and cannot be used for fixing on the surface of a miniaturized instrument.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a vibrations sensor fixing device can conveniently install vibrations sensor on the shell of the instrument to be measured, reduces the influence to the instrument to be measured itself, can improve the precision of vibrations measurement moreover.

The utility model provides a pair of vibrations sensor fixing device, including the fixed disk main part, the mounting hole that is used for holding the perforating hole of vibrations sensor and is used for passing the screw is offered to the fixed disk main part, just the bottom of fixed disk main part is provided with and is used for holding the first recess that can dismantle the part of pasting.

Preferably, in above-mentioned shock sensor fixing device, still include magnetism and inhale the part, magnetism is inhaled the part and is included first magnetism and inhale the piece, the bottom of fixed disk main part still is provided with and is used for holding first magnetism inhales the second recess of piece, first magnetism is inhaled the piece and is fixed in the second recess.

Preferably, in the vibration sensor fixing device, the detachable attaching member is a traceless adhesive.

Preferably, in the fixing device for the vibration sensor, the traceless glue is elastic, and the outer side surface of the traceless glue exceeds the surface of the first groove by a preset thickness.

Preferably, in the vibration sensor fixing device, a volume of the non-marking adhesive is smaller than or equal to a volume of the first groove.

Preferably, in the fixing device for a vibration sensor, a bottom surface of the first magnetic attraction piece is located in the second groove.

In the vibration sensor fixing device, the vibration sensor is preferably fixed to the through hole with a screw perpendicular to the through hole.

Preferably, in the fixing device for the vibration sensor, the magnetic part further includes a second magnetic part, the second magnetic part is freely arranged and attracted to the first magnetic part to fix the fixing device for the vibration sensor on the instrument to be measured.

Preferably, in the vibration sensor fixing device, the hardness of the bottom surface of the fixed disk main body is less than the hardness of the surface paint layer of the instrument to be measured.

Preferably, in the vibration sensor fixing device, the fixed disk main body has a plastic disk shape.

As can be seen from the above technical solution, the fixing device for a vibration sensor provided by the present invention has through holes for receiving the vibration sensor and mounting holes for passing screws through, and the bottom of the fixing disk is provided with a first groove for receiving a detachable adhesive member, so that the fixing device can be fixed on the flat surface of the instrument to be tested by using the detachable adhesive member, and the fixing device can be fixed on the instrument to be tested by using screws passing through the heat dissipation holes of the instrument to be tested and the screw holes on the fixing device at the same time, after the vibration test is finished, the detachable adhesive member and the screws can be easily removed, no adverse effect is caused on the surface of the instrument to be tested, no trace is left, and the vibration sensor can be conveniently mounted on the housing of the instrument to be tested by using the fixing device for a vibration sensor, the influence on the instrument to be measured is reduced, and the precision of vibration measurement can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a top perspective view of an embodiment of a shock sensor mounting apparatus provided by the present invention;

fig. 2 is a front cross-sectional view of an embodiment of a vibration sensor fixing device provided in the present invention;

fig. 3 is a top perspective view of another embodiment of a shock sensor mount provided by the present invention;

fig. 4 is a front cross-sectional view of another embodiment of a shock sensor mounting apparatus provided by the present invention.

Detailed Description

The core of the utility model is to provide a vibrations sensor fixing device can conveniently install the vibrations sensor on the shell of the instrument that awaits measuring, reduces the influence to the instrument that awaits measuring itself, can improve the precision of vibrations measurement moreover.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a pair of vibrations sensor fixing device's embodiment is shown in fig. 1 and fig. 2, fig. 1 does the utility model provides a pair of the overlooking perspective of vibrations sensor fixing device's embodiment, fig. 2 does the utility model provides a pair of main cross-sectional view of vibrations sensor fixing device's embodiment, this vibrations sensor fixing device can include fixed disk main part 1, and fixed disk main part 1 is offered and is used for holding vibrations sensor's perforating hole 2 and is used for passing the mounting hole 3 of screw, and the bottom of fixed disk main part 1 is provided with and is used for holding the first recess 5 that can dismantle pasting part 4.

It should be noted that the vibration sensor fixing device is used to fix the vibration sensor on the upper surface of the device 6 to be measured, the weight of the vibration sensor fixing device can be as light as possible, the volume of the vibration sensor fixing device can be as small as possible, so as to avoid the interference of the self weight and the volume on the vibration measurement result of the device to be measured, in this embodiment, the vibration sensor can be fixed in the through hole 2 in any way, as long as the fixing is firm, one preferable mode is as shown in fig. 1 and fig. 2, the vibration sensor and the through hole 2 are fixed by a screw perpendicular to the through hole, so as to ensure that the vibration sensor and the fixing device are integrated, and the fixing device can vibrate as a whole in the test process, the fixing device can be fixed on the upper surface of the device 6 to be measured by the detachable pasting component 4 in the first groove 5 at the bottom of the fixing disc main body 1, vibrations that vibrations sensor produced just can transmit for the instrument 6 that awaits measuring like this, realize the vibration test, and this kind can dismantle and paste part 4 and can not cause the damage to the upper surface of instrument 6 that awaits measuring, realize nondestructive test's effect, after the vibration test finishes, can also be convenient take off it and do not leave the vestige, this embodiment has still set up mounting hole 3 to the louvre on instrument 6 surface that awaits measuring, just so can utilize the screw to pass the louvre of this kind of mounting hole 3 and instrument 6 upper surface that awaits measuring simultaneously, realize the two fixed, until after the vibration test, this kind of screw also can be convenient take off, can not leave the vestige or cause the damage at the upper surface of instrument 6 that awaits measuring, and, the position that this kind of mounting hole 3 can be located according to the louvre on the instrument that awaits measuring comes corresponding affirmation, the place is not restricted.

It can be seen from the above technical solutions that, in the embodiment of the fixing device for a vibration sensor provided by the present invention, since the fixing plate main body is provided with the through hole for accommodating the vibration sensor and the mounting hole for passing the screw, and the bottom of the fixing plate main body is provided with the first groove for accommodating the detachable adhesive member, the fixing device can be fixed on the flat surface of the instrument to be tested by using the detachable adhesive member, and the fixing device can be fixed on the instrument to be tested by using the screw passing through the heat dissipation hole of the instrument to be tested and the screw hole on the fixing device at the same time, after the vibration test is finished, the detachable adhesive member and the screw can be easily detached without adverse effect on the surface of the instrument to be tested and without leaving traces, it can be seen that the vibration sensor can be conveniently mounted on the housing of the instrument to be tested by using the fixing device for a vibration sensor, the influence on the instrument to be measured is reduced, and the precision of vibration measurement can be improved.

The utility model provides an embodiment of another vibration sensor fixing device is shown in fig. 3 and fig. 4, and fig. 3 is the utility model provides a overlook perspective view of another vibration sensor fixing device's embodiment, fig. 4 is the utility model provides a main cross-sectional view of another vibration sensor fixing device's embodiment, it is visible, include in the device except that including the part the same with aforementioned embodiment, still include magnetism and inhale the part, this magnetism is inhaled the part and is included first magnetism and inhale piece 7, the bottom of fixed disk main part 1 still is provided with the second recess 8 that is used for holding first magnetism and inhales piece 7, first magnetism is inhaled 7 and is fixed in second recess 8. It should be noted that, this kind of first magnetism is inhaled piece 7 specifically and can be adopted more common magnet, of course can also select other types according to actual need, and this place is not restricted, as long as have magnetic adsorption ability can, under this condition, when the upper surface of the instrument 6 that awaits measuring is ferromagnetic material, just can inhale the surface at the instrument 6 that awaits measuring with this kind of first magnetism and inhale piece 7 direct attraction, just so can combine together with the bonding mode that can dismantle pasting part 4 and provide, fix on the instrument 6 that awaits measuring vibration sensor fixing device more firmly, and after the vibrations test, also can easily take out first magnetism and inhale piece 7, can not cause the damage to the surface of the instrument that awaits measuring. Of course, the drawings only show one of the preferred embodiments, and the number of the first magnetic attraction pieces can be increased or the positions of the first magnetic attraction pieces can be changed according to actual needs, and the invention is not limited herein. Further, the bottom surface of the first magnetic member 7 is preferably located in the second groove 8, specifically, as shown in fig. 4, the lower surface of the first magnetic member 7 does not touch the lower surface of the second groove 8, but a gap with a certain distance is left, so that even if the first magnetic member 7 attracts the surface of the instrument 6 to be tested, the first magnetic member 7 does not physically contact the surface of the instrument 6 to be tested, and thus the paint surface of the instrument 6 to be tested is not worn at all, so as to better achieve nondestructive testing, it should be noted that, if the bottom of the first magnetic member 7 is flush with or protrudes from the bottom of the fixed disk main body 1, it is also possible that the first magnetic member 7 does not wear the surface of the instrument 6 to be tested, if the surface of the instrument 6 to be tested has no paint film or the surface hardness of the instrument 6 to be tested is higher than that of the first magnetic member 7, there is no wear problem, but it is better to arrange the first magnetic element 7 in the second recess 8.

On the basis of the above another embodiment, with continued reference to fig. 3 and fig. 4, the magnetic attraction component may further include a second magnetic attraction element 9, where the second magnetic attraction element 9 is freely disposed and attracts the first magnetic attraction element 7 to fix the vibration sensor fixing device on the to-be-measured instrument 6. It should be noted that, in the scheme, the casing of the upper surface of the to-be-measured instrument is made of a non-magnetic material, such as an aluminum alloy, so that the second magnetic attraction member 9 and the first magnetic attraction member 7 are respectively arranged on the inner side and the outer side of the upper surface of the to-be-measured instrument 6, and are attracted to each other, so that the vibration sensor fixing device is more firmly fixed on the upper surface of the to-be-measured instrument 6. In a preferred embodiment, the bottom area of the second magnetic member 9 can be larger than twice the bottom area of the first magnetic member 7, and the larger area can provide a larger attraction force, so that the fixing effect is better.

The utility model also provides another embodiment of the fixing device of the vibration sensor, which is based on the above-mentioned first embodiment, the detachable pasting component 4 is preferably a traceless glue, and particularly a reusable double-sided adhesive tape can be adopted, which can be repeatedly pasted and can not leave any remnants on the product when being peeled off, further, the traceless glue can be preferably a traceless glue made of elastic material, the outer side surface of the traceless glue exceeds the surface preset thickness of the first groove, the preset thickness can be selected according to actual needs, for example, the thickness can be 1 mm, that is, before the fixing device is pasted on the instrument to be measured, the traceless glue can extend out of the first groove by no more than 1 mm beyond the lower surface of the fixed disk main body 1, after the pasting, the traceless glue is compressed, so that the bottom surface of the fixed disk main body 1 can be fully contacted with the shell of the instrument to be measured 6, ensuring a better bonding effect. Furthermore, the volume of the traceless adhesive is preferably smaller than or equal to the volume of the first groove, so that when the fixing device is pressed against the surface of the instrument to be tested 6, the traceless adhesive can have a certain telescopic space after being compressed, and is still located in the first groove after being deformed, and the vibration sensor is in hard contact with the shell of the instrument to be tested 6, so that the effective transmission of vibration is realized, and the vibration quantity is more conveniently detected, wherein a specific example is as follows: the radius of placing into no trace glue and being 2 millimeters less than first recess, pasting the in-process like this, no trace glue is extrudeed on the vertical direction, and transversely then toward the side extension, and fixed effect will be better like this, can also come to do the adaptability adjustment to the various sizes that no trace glued according to actual need certainly, and here is not restricted.

On the basis of the above embodiments of the fixing device for the vibration sensor, the hardness of the bottom surface of the fixing disk main body 1 may preferably be less than the hardness of the paint layer on the surface of the instrument 6 to be tested, so that the paint film on the upper surface of the instrument 6 to be tested can be prevented from being worn off by the bottom surface of the fixing device, and therefore nondestructive vibration detection can be better realized. Further, this fixed disk main part 1 can preferably be the plastics disc, and this kind of plastics material acquires more easily, and with low costs, and hardness is lower itself, consequently can not cause the damage to the surface of the instrument of awaiting measuring 6, and the density of plastics is lower moreover, can guarantee that the vibrations sensor fixing device who makes is enough light to more portable, and it is less to vibrations influence, can also select other materials according to actual need certainly, as long as guarantee can not wear and tear the lacquer layer on the instrument of awaiting measuring 6 surface can.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a vibrations sensor fixing device which characterized in that, includes the fixed disk main part, the mounting hole that is used for holding the perforating hole of vibrations sensor and is used for passing the screw is offered to the fixed disk main part, just the bottom of fixed disk main part is provided with and is used for holding the first recess that can dismantle the part of pasting.

2. The vibration sensor fixing device of claim 1, further comprising a magnetic attraction component, wherein the magnetic attraction component comprises a first magnetic attraction piece, the bottom of the fixing disk main body is further provided with a second groove for accommodating the first magnetic attraction piece, and the first magnetic attraction piece is fixed in the second groove.

3. The shock sensor holder of claim 1 wherein said removable adhesive member is a non-marking adhesive.

4. The vibration sensor fixing device of claim 3, wherein the non-marking adhesive is an elastic non-marking adhesive, and an outer side surface of the non-marking adhesive exceeds a surface of the first groove by a preset thickness.

5. The shock sensor fixing device of claim 4, wherein the volume of said non-marking glue is less than or equal to the volume of said first recess.

6. The shock sensor mount of claim 2, wherein a bottom surface of the first magnetic element is positioned within the second recess.

7. The vibration sensor fixing device according to claim 1, wherein the vibration sensor is fixed to the through hole with a screw perpendicular to the through hole.

8. The shock sensor fixing device of claim 2, wherein the magnetic attraction member further comprises a second magnetic attraction member, and the second magnetic attraction member is freely disposed and attracted to the first magnetic attraction member to fix the shock sensor fixing device on the apparatus to be tested.

9. The shock sensor fixing device according to any one of claims 1 to 8, wherein the hardness of the bottom surface of the fixing disk main body is less than the hardness of the surface paint layer of the instrument to be measured.

10. The shock sensor fixing device of claim 9, wherein the fixing disk body is a plastic disk shape.