CN207036256U - A kind of simple reliability ultrasonic sensor - Google Patents
A kind of simple reliability ultrasonic sensor Download PDFInfo
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- CN207036256U CN207036256U CN201720946863.7U CN201720946863U CN207036256U CN 207036256 U CN207036256 U CN 207036256U CN 201720946863 U CN201720946863 U CN 201720946863U CN 207036256 U CN207036256 U CN 207036256U
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- visiting core
- inner bag
- ultrasonic sensor
- mounting hole
- core
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Abstract
The utility model discloses a kind of simple reliability ultrasonic sensor, including base, visiting core and the inner bag between base and visiting core, the inner bag is provided with a mounting groove towards one end of visiting core, and two mutually symmetrical with screens blocks and projection are provided with mounting groove；The visiting core is provided with two symmetrical step surfaces towards the cavity inside of one end of inner bag, mounting hole is provided with the circumferential direction of its cavity wall, the visiting core is stuck in the gap screens block and mounting groove through installation notch, the end face of the step surface and screens block contacts with each other, and mounting hole is mutually matched with projection and visiting core and inner bag is fixed as one；Also include sealed colloid, after the sub-line of visiting core is fixed with base, base, inner bag and visiting core are packaged as a whole by the sealed colloid.The utility model realize a kind of internal engagement firmly, good seal performance, the purpose of the relatively low ultrasonic sensor of production cost.
Description
Technical field
It the utility model is related to ultrasonic technology field, and in particular to a kind of simple reliability ultrasonic sensor.
Background technology
Ultrasonic sensor is the sensor developed using the characteristic of ultrasonic wave.Ultrasonic wave is that a kind of vibration frequency is high
In the mechanical wave of sound wave, occurred as transducing chip under the excitation of voltage caused by vibration, it has, and frequency is high, wavelength is short, around
It is small to penetrate phenomenon, particularly good directionality, ray can be turned into and the features such as direction propagation.Ultrasonic wave penetrates to liquid, solid
Ability is very big, and especially in the opaque solid of sunlight, it can penetrate tens meters of depth.Ultrasonic wave encounters impurity or boundary
Face, which can produce significantly to reflect to form, is reflected into echo, and Doppler effect can be produced by encountering mobiles.Ground based on Ultrasonic characteristics
The scales of system are " ultrasonic sensor ", are widely used in industry, national defence, biomedicine etc..
Existing ultrasonic sensor generally has a probe, and probe generally includes visiting core, base and is mounted in base
Inner bag together, existing process technology are assembled again with base after visiting core is made completely, due to rigging error and
The presence in gap, cause between visiting core and inner bag to coordinate loosely, the poor sealing between visiting core and inner bag, base and the wind such as intake
Danger, furthermore being assembled again with base after the complete completion of processing of visiting core, such production efficiency substantially reduces, and increases cost.
Utility model content
Technical problem to be solved in the utility model is to overcome above technical problem, and it is an object of the present invention to provide a kind of simply may be used
By property ultrasonic sensor, realize a kind of internal engagement firmly, good seal performance, the relatively low ultrasonic sensor of production cost
Purpose.
The utility model is achieved through the following technical solutions：
A kind of simple reliability ultrasonic sensor, including base, visiting core and the inner bag between base and visiting core,
The inner bag is provided with a mounting groove towards one end of visiting core, be provided with mounting groove two mutually symmetrical with screens blocks and
It is raised；The visiting core is provided with two symmetrical step surfaces, the circumference side of its cavity wall towards the cavity inside of one end of inner bag
Mounting hole is provided with upwards, the visiting core is stuck in the gap screens block and mounting groove through installation notch, the step surface
Contacted with each other with the end face of screens block, and mounting hole is mutually matched with projection and visiting core and inner bag is fixed as one；Also include close
Adhesive body, after the sub-line of visiting core is fixed with base, base, inner bag and visiting core are packaged as a whole by the sealed colloid.
Further, ultrasonic sensor of the prior art is by the sealing of visiting core elder generation, is completed after making, then after visiting core
Hold cylindrical outer surface to process two symmetrical step surfaces, visiting core is fixed on the bottom of by by the cooperation between step surface and base inner bag
On seat, then by welding manner visiting core terminal line is turned on base, during due to there is colloid make it that it is assembled with inner bag in visiting core
The presence in rigging error and gap be present, it is also necessary to the sealed colloid in visiting core is repaired before mounting seat, so adds life
Process is produced, causes production efficiency to substantially reduce, increases cost.The utility model is all improved to inner bag and visiting core first,
A mounting groove is opened in inner bag, screens block is set in mounting groove, gap, the cylinder of visiting core are left between screens block and mounting groove
Wall is stuck in the gap screens block and mounting groove through installation notch, compared with prior art so that visiting core and inner bag connect
Contacting surface adds the sealing and reliability for by about one time, improving assembling；Then opened in the circumferential direction of visiting core inner cavity wall
Mounting hole, the mounting groove of inner bag is interior to set projection, and projection is stuck in mounting hole and mounting hole coordinates so that visiting core and inner bag assemble
It is more firm.In addition, the utility model is all assembled visiting core and inner bag and base and then using sealed colloid the bottom of by
Seat, inner bag and visiting core are packaged as a whole, and this avoid repaired in the prior art in assembling base with being needed before visiting core in visiting core
Sealed colloid process, avoid when sealed colloid assembles to base and impact, improve production efficiency, reduce production
Cost.
Preferably, the sealed colloid makes base, inner bag and visiting core be packaged as a whole by instillation process.Will be close during sealing
Adhesive body is filled into out of the opposite side of base aperture in mounted inner bag and visiting core, so repairs the fluid sealant in visiting core
The process of body.
The groove internal cavity of the mounting groove for cylinder, and screens block towards the side of mounting groove inwall be arcwall face.Enter
One step, groove internal cavity for cylinder, screens block towards the side of mounting groove inwall be arcwall face, so that screens block with pacify
Gap between tankage is equidistant arc, and visiting core is also configured as into cylindrical tube shape, can further increase visiting core and inner bag
Contact surface.
Preferably, the gap interference fit between the barrel of the visiting core and screens block and mounting groove.Interference fit can make
Cross visiting core coordinate with inner bag it is closer.
The vertical range of the step surface to visiting core cavity mouth is 5.5~10mm.This ensure that visiting core and the peace of inner bag
Depth when tankage coordinates, it ensure that the steadiness of its installation.
Preferably, the quantity of the mounting hole is one, and the mounting hole site is between two step surfaces.It is new in visiting core
Processing mounting holes, the processing cost of visiting core can be increased, thus the quantity of mounting hole be not easy it is more, preferably one.
Preferably, the quantity of the mounting hole is two, and two mounting holes are symmetrical on the central axis of visiting core, and is installed
The line of the line in hole and two step surface central points is mutually perpendicular to.Further, only matched somebody with somebody with a mounting hole and a projection
Close, the compactness between such visiting core and inner bag may be not enough；The utility model is excellent in the case where reducing processing cost as far as possible
It is two that choosing, which sets the quantity of mounting hole, and two mounting holes are symmetrical on the central axis of visiting core, the line of mounting hole and two
The line of individual step surface central point is mutually perpendicular to.
Preferably, the aperture of the mounting hole is 1.5~2.5mm.
Preferably, the aperture of the mounting hole is 1.8mm.
The inner bag is made of silica gel.Silica gel is difficult to substitute to obtain feature compared to many other same type of material：Such as adsorptivity
Energy is high, heat endurance is good, chemical property is stable, has higher mechanical strength etc..Inner bag is made using silica gel, its use can be improved
Life-span.
The utility model compared with prior art, has the following advantages and advantages：
A kind of simple reliability ultrasonic sensor of the utility model, by improving the contact surface of visiting core and inner bag, and
The raised mode coordinated with mounting hole is set, visiting core and inner bag is fixed as one, improves the fixing of assembling；When visiting core
After sub-line and base are fixed, then with sealed colloid base, inner bag and visiting core are packaged as a whole, not only reduce manufacturing procedure,
Improve production efficiency, reduce production cost, further lifted ultrasonic sensor sealing, make visiting core expulsion rate by
0.02 ‰ drop to zero, and circuit board water inlet short circuit ratio drops to zero by 0.05 ‰, production efficiency is improved 80%, is further ensured that
Product quality and cost needs.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is the structural representation of the utility model inner bag；
Fig. 2 is the structural representation of the utility model visiting core；
Fig. 3 is the structural representation of the utility model base.
Mark and corresponding parts title in accompanying drawing：
1- bases, 2- visiting cores, 3- inner bags, 4- mounting grooves, 5- screens blocks, 6- is raised, 7- step surfaces, 8- mounting holes.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment 1
As shown in Figures 1 to 3, a kind of simple reliability ultrasonic sensor of the utility model, including base 1, visiting core 2 and
Inner bag 3 between base 1 and visiting core 2, the inner bag 3 is provided with a mounting groove 4 towards one end of visiting core 2, in mounting groove 4
Inside it is provided with two mutually symmetrical with screens blocks 5 and projection 6；The cavity inside of the one end of the visiting core 2 towards inner bag 3 is set
There are two symmetrical step surfaces 7, mounting hole 8 is provided with the circumferential direction of its cavity wall, the visiting core 2 is blocked for 4 mouthfuls through mounting groove
In gap between screens block 5 and mounting groove 4, the end face of the step surface 7 and screens block 5 contacts with each other, and mounting hole 8 with
Projection 6, which is mutually matched, makes visiting core 2 and inner bag 3 be fixed as one；Also include sealed colloid, when sub-line and the base 1 of visiting core 2 are fixed
Afterwards, base 1, inner bag 3 and visiting core 2 are packaged as a whole by the sealed colloid.The sealed colloid makes base by instillation process
1st, inner bag 3 and visiting core 2 are packaged as a whole.The groove internal cavity of the mounting groove 4 is cylinder, and screens block 5 is towards in mounting groove 4
The side of wall is arcwall face.Gap interference fit between the barrel and screens block 5 and mounting groove 4 of the visiting core 2.The step
The vertical range of face 7 to the cavity mouth of visiting core 2 is 5.5mm.The quantity of the mounting hole 8 is one, and the mounting hole 8 is located at two
Between step surface 7.The aperture of the mounting hole 8 is 1.8.The inner bag 3 is made of silica gel.
Installation process of the present utility model：By the barrel of visiting core 2 through 4 mouthfuls of mounting groove be stuck in screens block 5 and mounting groove 4 it
Between gap in, and projection 6 is stuck in mounting hole 8, assembled after visiting core 2 and inner bag 3 install, then by inner bag 3 and base 1
Complete, then the terminal line of visiting core 2 is welded on the input of base 1, coordinate and weld by circuit board and input, output end column cap
Connect and turn on the input of base 1 with output end, last time sealing, complete processing.By being realized with upper type in one kind
Portion coordinates firm, good seal performance, the purpose of the relatively low ultrasonic sensor of production cost.
Embodiment 2
As shown in Figures 1 to 3, a kind of simple reliability ultrasonic sensor of the utility model, on the basis of embodiment 1,
The quantity of mounting hole 8 is two, and two mounting holes 8 are symmetrical on the central axis of visiting core 2, and the line of mounting hole 8 and two
The line of the central point of step surface 7 is mutually perpendicular to.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of simple reliability ultrasonic sensor, including base (1), visiting core (2) and positioned at base (1) and visiting core (2)
Between inner bag (3), it is characterised in that the inner bag (3) is provided with a mounting groove (4) towards one end of visiting core (2), is installing
Two mutually symmetrical with screens blocks (5) and projection (6) are provided with groove (4)；The one end of the visiting core (2) towards inner bag (3)
Cavity inside be provided with two symmetrical step surfaces (7), be provided with mounting hole (8), the spy in the circumferential direction of its cavity wall
Core (2) is stuck in the gap screens block (5) and mounting groove (4) through mounting groove (4) mouth, the step surface (7) and screens
The end face of block (5) contacts with each other, and mounting hole (8) is mutually matched with raised (6) and visiting core (2) and inner bag (3) is fixed as one；
Also include sealed colloid, after sub-line and the base (1) of visiting core (2) are fixed, the sealed colloid by base (1), inner bag (3) and
Visiting core (2) is packaged as a whole.
2. a kind of simple reliability ultrasonic sensor according to claim 1, it is characterised in that the sealed colloid leads to
Crossing instillation process makes base (1), inner bag (3) and visiting core (2) be packaged as a whole.
A kind of 3. simple reliability ultrasonic sensor according to claim 1, it is characterised in that the mounting groove (4)
Groove internal cavity be cylinder, and the side of screens block (5) towards mounting groove (4) inwall is arcwall face.
4. a kind of simple reliability ultrasonic sensor according to claim 1, it is characterised in that the visiting core (2)
Gap interference fit between barrel and screens block (5) and mounting groove (4).
A kind of 5. simple reliability ultrasonic sensor according to claim 1, it is characterised in that the step surface (7)
Vertical range to visiting core (2) cavity mouth is 5.5~10mm.
A kind of 6. simple reliability ultrasonic sensor according to claim 1, it is characterised in that the mounting hole (8)
Quantity be one, the mounting hole (8) is between two step surfaces (7).
A kind of 7. simple reliability ultrasonic sensor according to claim 1, it is characterised in that the mounting hole (8)
Quantity be two, two mounting holes (8) are symmetrical on the central axis of visiting core (2), and the line of mounting hole (8) and two platforms
The line of terrace (7) central point is mutually perpendicular to.
A kind of 8. simple reliability ultrasonic sensor according to claim 1, it is characterised in that the mounting hole (8)
Aperture be 1.5~2.5mm.
A kind of 9. simple reliability ultrasonic sensor according to claim 8, it is characterised in that the mounting hole (8)
Aperture be 1.8mm.
10. a kind of simple reliability ultrasonic sensor according to claim 1, it is characterised in that the inner bag (3) is adopted
It is made of silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720946863.7U CN207036256U (en) | 2017-07-31 | 2017-07-31 | A kind of simple reliability ultrasonic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720946863.7U CN207036256U (en) | 2017-07-31 | 2017-07-31 | A kind of simple reliability ultrasonic sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207036256U true CN207036256U (en) | 2018-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720946863.7U Active CN207036256U (en) | 2017-07-31 | 2017-07-31 | A kind of simple reliability ultrasonic sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI663418B (en) * | 2018-08-29 | 2019-06-21 | 華碩電腦股份有限公司 | Ultrasonic transducer apparatus |
| CN112432656A (en) * | 2020-11-20 | 2021-03-02 | 纵目科技（上海）股份有限公司 | Ultrasonic sensor, ultrasonic sensor probe structure and preparation method thereof |
-
2017
- 2017-07-31 CN CN201720946863.7U patent/CN207036256U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI663418B (en) * | 2018-08-29 | 2019-06-21 | 華碩電腦股份有限公司 | Ultrasonic transducer apparatus |
| CN112432656A (en) * | 2020-11-20 | 2021-03-02 | 纵目科技（上海）股份有限公司 | Ultrasonic sensor, ultrasonic sensor probe structure and preparation method thereof |
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