CN206832328U - Urea level ultrasonic sensor - Google Patents
Urea level ultrasonic sensor Download PDFInfo
- Publication number
- CN206832328U CN206832328U CN201720410021.XU CN201720410021U CN206832328U CN 206832328 U CN206832328 U CN 206832328U CN 201720410021 U CN201720410021 U CN 201720410021U CN 206832328 U CN206832328 U CN 206832328U
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- China
- Prior art keywords
- ultrasonic sensor
- assembly
- buckle
- urea level
- shell
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Abstract
It the utility model is related to a kind of urea level ultrasonic sensor, including shell and the sealing ring being coated on shell, shell is provided with the seal groove coordinated with sealing ring, one end of shell is provided with the buckle for being used for being connected with assembly, the urea level ultrasonic sensor is fixed by snap when in assembly, and sealing ring is squeezed between shell and assembly.The sensor carries buckle, fixed by snap in the accessory in assembly, reducing assembly sensor, reduces the possibility of assembling failure, is easy to assemble；And shell is additionally provided with the seal groove for placing sealing ring, prevents that sealing ring from misplacing deformation in assembling process, ensure sealing effectiveness.
Description
Technical field
A kind of ultrasonic sensor is the utility model is related to, more particularly to a kind of urea level ultrasonic sensor.
Background technology
Urea level ultrasonic sensor is usually fixed in the assembly for carrying urea liquid, for test set-up body
The liquid level of middle urea liquid, it is usually applied to test liquid level in the urea solution tank of diesel engine automobile exhaust treatment system.But pass
Urea level ultrasonic sensor assembly method of uniting utilizes sheet metal or other solid typically after sensor base installs sealing ring
Part fixes sensor, while sealed ring deformation is played sealing effectiveness, but the fixed form assembly process is cumbersome, easily leaves assembling
Sealing ring or other firmwares, cause to have no after assembly sensor to reach sealing effectiveness；And sealing ring easily comes off in assembling process
Make sealing ring assembling dislocation or deformation, cause to have no after assembly sensor to reach sealing effectiveness.
Utility model content
The purpose of this utility model is to provide a kind of urea level ultrasonic sensor, can be easy to assemble, and ensures
Sealing effectiveness.
To realize the purpose of this utility model, adopt the technical scheme that：
A kind of urea level ultrasonic sensor, including shell and the sealing ring that is coated on shell, shell be provided with it is close
The seal groove that seal coordinates, one end of shell are provided with the buckle for being used for being connected with assembly, the urea level ultrasonic sensor
It is fixed by snap when in assembly, sealing ring is squeezed between shell and assembly.
The sensor carries buckle, fixed by snap in the accessory in assembly, reducing assembly sensor, reduces dress
Possibility with failure, it is easy to assemble；And shell is additionally provided with the seal groove for placing sealing ring, prevent sealing ring from assembling
Misplace deformation in journey, ensures sealing effectiveness.
Technical scheme is further illustrated below：
It is further that shell includes drain pan, one end of buckle is connected with drain pan, and other end periphery is convexly equipped with and assembly
Jack interference fit elastic plug and with the spaced spacing ring of elastic plug, match somebody with somebody between elastic plug and spacing ring
Close the neck for being formed and being coordinated with jack inwall.During installation, first elastic plug is stretched into the jack of assembly, utilizes the bullet of itself
Property makes whole elastic plug be extruded through the jack of assembly, and the inwall of assembly jack is stuck in elastic plug and spacing ring
Between neck in, realize the fixation of the sensor and assembly, and easy to assembly.
It is further that neck is seal groove, sealing ring is located in neck.Sealing ring is arranged in buckle, the sensor
It is fixed on by buckle on the inside of assembly, sealing ring is sealed by the extruding of buckle and assembly jack.
It is further that the outer wall of drain pan is provided with reinforcement.Improve the tensile strength of the sensor.
It is further that the recessed outer wall in drain pan of seal groove, sealing ring is located in seal groove.Sealing ring is arranged on drain pan
In, the sensor is fixed on assembly inwall by buckle, and sealing ring is risen by the extruding of drain pan outer wall and assembly inwall
Sealing function.
It is further that drain pan is provided with installation cavity of the opening towards buckle, and one end of buckle is fixed in installation cavity.
It is further that the signal wire that circuit board and one end are connected with circuit board, circuit board, letter are further fixed in installation cavity
Number one end of line and one end of buckle are fixed in installation cavity by casting glue.
It is further that buckle is provided with the through hole connected with installation cavity, the one end of signal wire away from circuit board, which is stretched out, to be passed through
Through hole.
It is further the transduction piece for being further fixed on being electrically connected with circuit board in installation cavity.
It is further that elastic plug is cone, jack is bellmouth.During installation, first the small end of elastic plug is stretched
Enter in the jack of assembly, elasticity and the cooperation guide effect of elastic plug and jack using itself, make whole elastic plug
The jack of assembly is extruded through, the assembling of be more convenient for elastic plug and jack is fixed.
Compared with prior art, the utility model has the advantages that：
Sensor of the present utility model carries buckle, fixed by snap in assembly, reduces assembly sensor
Accessory, the possibility of assembling failure is reduced, is easy to assemble；And shell is additionally provided with the seal groove for placing sealing ring, prevent close
Seal misplaces deformation in assembling process, ensures sealing effectiveness.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model first embodiment urea level ultrasonic sensor；
Fig. 2 is the structural representation of the utility model first embodiment buckle；
Fig. 3 is the structural representation of the utility model second embodiment urea level ultrasonic sensor；
Fig. 4 is the structural representation of the utility model second embodiment buckle.
Description of reference numerals：
10. shell, 110. seal grooves, 120. buckles, 121. elastic plugs, 122. spacing rings, 123. necks, 124. first
Breach, 125. second breach, 126. through holes, 130. drain pans, 131. installation cavitys, 20. sealing rings, 30. assemblies, 310. insert
Hole, 40. transduction pieces, 50. circuit boards, 60. signal wires, 70. casting glues, 80. reinforcements, 90. urea liquids.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings：
As depicted in figs. 1 and 2, a kind of urea level ultrasonic sensor, including shell 10 and be coated on shell 10
Sealing ring 20, shell 10 are provided with the seal groove 110 coordinated with sealing ring 20, and one end of shell 10, which is provided with, to be used to connect with assembly 30
The buckle 120 connect, when the urea level ultrasonic sensor is fixed in assembly 30 by buckle 120, sealing ring 20 extrudes
Between shell 10 and assembly 30.
The sensor carries buckle 120, is fixed on by buckle 120 in assembly 30, reduces matching somebody with somebody for assembly sensor
Part, the possibility of assembling failure is reduced, is easy to assemble；And shell 10 is additionally provided with the seal groove 110 for placing sealing ring 20, prevent
Only sealing ring 20 misplaces deformation in assembling process, ensures sealing effectiveness, prevents urea liquid 90 from revealing.
As depicted in figs. 1 and 2, shell 10 includes drain pan 130, and one end of buckle 120 is connected with drain pan 130, outside the other end
Be convexly equipped with week with the jack of assembly 30 310 be interference fitted elastic plug 121 and with 121 spaced limit of elastic plug
Position ring 122, cooperatively forms the neck 123 coordinated with the inwall of jack 310 between elastic plug 121 and spacing ring 122.During installation,
First elastic plug 121 is stretched into the jack 310 of assembly 30, wears the whole extruding of elastic plug 121 using the elasticity of itself
The jack 310 of assembly 30 is crossed, and the inwall of the jack 310 of assembly 30 is stuck between elastic plug 121 and spacing ring 122
In neck 123, the fixation of the sensor and assembly 30 is realized, and it is easy to assembly.
In the present embodiment, elastic plug 121 is cone, and jack 310 is bellmouth.During installation, first by elastic plug
121 small end is stretched into the jack 310 of assembly 30, is led using the cooperation of itself elasticity and elastic plug 121 and jack 310
To effect, whole elastic plug 121 is set to be extruded through the jack 310 of assembly 30, be more convenient for elastic plug 121 and jack 310
Assembling fix；And the periphery of the corresponding position of neck 123 of buckle 120 is cone, makes the inwall and neck of jack 310 after assembling
123 inwall fitting, makes regularly more firm, the assembling of be also more convenient for elastic plug 121 and jack 310 is fixed.It is wherein elastic
The small end periphery of plug 121 is not more than the big end periphery of jack 310, when making to be initially inserted into elastic plug 121, to elastic plug
121 insertion plays positioning and guide effect.
As shown in Fig. 2 buckle 120 is provided with along three circumferentially distributed the first breach 124 of elastic plug 121, three first
Elastic plug 121 is divided into three parts by breach 124, elastic plug 121 during the jack 310 of plugging in fitting body 30, by
Its own can be made flexible and be adapted to the difference of jack 310 toward central reduction in the effect elastic plug 121 of the first breach 124
The different sizes of position, ensure the smooth jack 310 through assembly 30 of the energy of elastic plug 121, realize that assembling is fixed.Buckle
120 can also set at least one first breach 124 according to being actually needed.
As depicted in figs. 1 and 2, the recessed outer wall in drain pan 130 of seal groove 110, sealing ring 20 are located in seal groove 110,
And the outer wall of drain pan 130 is adapted to the inwall of assembly 30.Sealing ring 20 is arranged in drain pan 130, and the sensor passes through buckle
120 are fixed on the inwall of assembly 30, and sealing ring 20 is played sealing by the extruding of the outer wall of drain pan 130 and the inwall of assembly 30 and made
With.
As shown in figure 1, drain pan 130 is provided with installation cavity 131 of the opening towards buckle 120, peace is fixed in one end of buckle 120
It behave affectedly in 131.And the signal wire that transduction piece 40, circuit board 50 and one end are connected with circuit board 50 is further fixed in installation cavity 131
60, one end of circuit board 50, one end of signal wire 60 and buckle 120 is fixed in installation cavity 131 by casting glue 70, buckle
120 are provided with the through hole 126 connected with installation cavity 131, and through hole 126 is stretched out in the one end of signal wire 60 away from circuit board 50.
Unlike the embodiments above, as shown in Figure 3 and Figure 4, in the present embodiment, the periphery of drain pan 130 is not set
The seal groove 110 for placing sealing ring 20 is put, but the neck 123 of buckle 120 will be sealed simultaneously as seal groove 110
Circle 20 is positioned in neck 123, and the periphery of the corresponding position of neck 123 of buckle 120 is cylinder, and sealing ring 20 is arranged on buckle
In 120, the sensor is fixed on the inner side of assembly 30 by buckle 120, and sealing ring 20 is inserted by buckle 120 and assembly 30
The extruding in hole 310 seals, and the outer wall of drain pan 130 adapts to the sensor without being adapted to the inwall of assembly 30
Property is wider.
As shown in figure 4, buckle 120 is provided with along two circumferentially distributed the second breach 125 of elastic plug 121, two second
Elastic plug 121 is divided into symmetrical two parts, jack 310 process of the elastic plug 121 in plugging in fitting body 30 by breach 125
In, because the effect elastic plug 121 of the second breach 125 can make its own flexible and be adapted to jack 310 toward central reduction
The different sizes of diverse location, ensure the smooth jack 310 through assembly 30 of the energy of elastic plug 121, realize that assembling is fixed.Card
Button 120 can also set at least one second breach 125 according to being actually needed.
As shown in figure 3, the outer wall of drain pan 130 is provided with reinforcement 80, the tensile strength of the sensor is improved.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
- A kind of 1. urea level ultrasonic sensor, it is characterised in that including shell and the sealing ring that is coated on the shell, The shell is provided with the seal groove coordinated with the sealing ring, and one end of the shell is provided with the card for being used for being connected with assembly Button, when the urea level ultrasonic sensor is fixed in assembly by the buckle, the sealing ring is squeezed in described outer Between shell and the assembly.
- 2. urea level ultrasonic sensor according to claim 1, it is characterised in that the shell also includes drain pan, One end of the buckle is connected with the drain pan, and other end periphery is convexly equipped with inserts with the elasticity of the jack of assembly interference fit Head and with the spaced spacing ring of the elastic plug, cooperatively formed between the elastic plug and the spacing ring and institute State the neck of jack inwall cooperation.
- 3. urea level ultrasonic sensor according to claim 2, it is characterised in that the neck is the sealing Groove, the sealing ring are located in the neck.
- 4. urea level ultrasonic sensor according to claim 3, it is characterised in that the outer wall of the drain pan, which is provided with, to be added Strengthening tendons.
- 5. urea level ultrasonic sensor according to claim 2, it is characterised in that the seal groove is recessed in described The outer wall of drain pan, the sealing ring are located in the seal groove.
- 6. the urea level ultrasonic sensor according to any one of claim 2 to 5, it is characterised in that the drain pan is set There is installation cavity of the opening towards the buckle, one end of the buckle is fixed in the installation cavity.
- 7. urea level ultrasonic sensor according to claim 6, it is characterised in that be further fixed in the installation cavity The signal wire that circuit board and one end are connected with the circuit board, the circuit board, one end of the signal wire and the buckle One end is fixed in the installation cavity by casting glue.
- 8. urea level ultrasonic sensor according to claim 7, it is characterised in that the buckle is provided with and the peace It behave affectedly the through hole of connection, the through hole is stretched out in the one end of the signal wire away from the circuit board.
- 9. urea level ultrasonic sensor according to claim 7, it is characterised in that be further fixed in the installation cavity The transduction piece being electrically connected with the circuit board.
- 10. the urea level ultrasonic sensor according to any one of claim 2 to 5, it is characterised in that the elasticity is inserted Head is cone, and the jack is bellmouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720410021.XU CN206832328U (en) | 2017-04-18 | 2017-04-18 | Urea level ultrasonic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720410021.XU CN206832328U (en) | 2017-04-18 | 2017-04-18 | Urea level ultrasonic sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206832328U true CN206832328U (en) | 2018-01-02 |
Family
ID=60768555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720410021.XU Active CN206832328U (en) | 2017-04-18 | 2017-04-18 | Urea level ultrasonic sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206832328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998914A (en) * | 2020-09-30 | 2020-11-27 | 北京古大仪表有限公司 | Radar level meter |
-
2017
- 2017-04-18 CN CN201720410021.XU patent/CN206832328U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998914A (en) * | 2020-09-30 | 2020-11-27 | 北京古大仪表有限公司 | Radar level meter |
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