CN208479778U - The waterproof construction of Tunnel testing camera - Google Patents
The waterproof construction of Tunnel testing camera Download PDFInfo
- Publication number
- CN208479778U CN208479778U CN201820999778.1U CN201820999778U CN208479778U CN 208479778 U CN208479778 U CN 208479778U CN 201820999778 U CN201820999778 U CN 201820999778U CN 208479778 U CN208479778 U CN 208479778U
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- shell
- installation step
- waterproof construction
- light transmitting
- sealing ring
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Abstract
The utility model provides a kind of waterproof construction of Tunnel testing camera, belongs to Tunnel testing technical field.It solves the problems, such as that existing camera waterproof construction waterproof effect is poor, service life is short.The waterproof construction of this Tunnel testing camera, including the shell for installing camera, there is through-hole on shell, shell is equipped with the first installation step being coaxially disposed with through-hole, light transmitting sheet is installed in first installation step, it is equipped with sealing ring between light transmitting sheet and shell, is additionally provided on shell for the fixation kit that sealing ring and light transmitting sheet is fixed.The utility model good water-proof effect, easy to disassemble and replacement, long service life.
Description
Technical field
The utility model belongs to Tunnel testing technical field, is related to a kind of Tunnel testing camera of Tunnel testing vehicle, especially
It is a kind of waterproof construction of Tunnel testing camera.
Background technique
It is greatly developed with the construction facility of national basis in recent years, China has become in the world that Tunnel Engineering quantity is most
More, most complicated, with fastest developing speed countries.Since tunnel is typically all the Structural Engineering for being built in underground, since geological conditions becomes
Change the problems such as fast, tunnel is likely to occur Lining cracks, section of jurisdiction crack, treatment technology for tunnel seepage in use, it is also possible to around occurring
The problems such as soil body cavity, subway tunnel bulk settling.During subway network operation, if tunnel structure and surrounding soil layer go out
Phenomena such as existing these problems, tunnel will be deformed cracking under the load of subway train and effect of vibration, influences subway fortune
Row safety.Therefore, fast and effeciently detect that tunnel slot is the important link for guaranteeing tunnel operational safety.In the prior art,
Tunnel slot is detected by Tunnel testing vehicle, Tunnel testing camera is installed on Tunnel testing vehicle.
Current Tunnel testing camera does not have water-proof function, causes it that can not work in the rainy day, causes to be unable to complete just
Normal Tunnel testing task, prevent the security risk in tunnel is from being found in time, to cause immeasurable consequence.In order to
Solve the problems, such as this, someone is installed on Tunnel testing camera as (Authorization Notice No. is for sealing device disclosed in Chinese patent
CN207051634U), including shell and transparent cover plate, sealing ring is installed between transparent cover plate and shell, so that tunnel be made to examine
Surveying camera has certain water-proof function.
Due to above-mentioned structure use flat seal, rainwater can pass through because of the high-speed cruising of Tunnel testing vehicle cover board with it is close
Horizontal gap between seal or shell and sealing ring enters in shell, poor sealing effect, to the Tunnel testing being located in shell
Camera impacts.
Summary of the invention
The purpose of this utility model is the presence of the above problem in view of the prior art, proposes a kind of tunnel of good water-proof effect
The waterproof construction of road detection camera.
The purpose of this utility model can be realized by the following technical scheme:
The waterproof construction of Tunnel testing camera has through-hole including the shell for installing camera on the shell,
It is characterized in that, the shell is equipped with the first installation step being coaxially disposed with through-hole, peace in first installation step
Equipped with light transmitting sheet, sealing ring is equipped between the light transmitting sheet and shell, be additionally provided on the shell for by sealing ring with
The fixed fixation kit of light transmitting sheet.
In the waterproof construction of above-mentioned Tunnel testing camera, the sealing ring and the first installation step are interference fitted,
The light transmitting sheet and sealing ring is interference fitted, and the inner end of the sealing ring is resisted against on the first installation step, and outer end extends
To the surface of shell.
In the waterproof construction of above-mentioned Tunnel testing camera, the outer end of first installation step is equipped with and the first installation
The second coaxial installation step of step has the annular extension one extended in the second installation step on the sealing ring,
The annular extension one and the second installation step are interference fitted under the action of fixation kit.
In the waterproof construction of above-mentioned Tunnel testing camera, the fixation kit includes that inner face and surface of shell paste
The compacting ring of conjunction, the outer diameter of the compacting ring are greater than the outer diameter of the second installation step, and the internal diameter of the compacting ring is less than light transmitting sheet
Outer diameter, the compacting ring is fixed on shell by fastener.
In the waterproof construction of above-mentioned Tunnel testing camera, has on the compacting ring and be oppositely arranged with light transmitting sheet
Axially-extending portion, the internal diameter of the axially-extending portion is equal to the internal diameter of through-hole, and the outer diameter of the axially-extending portion is less than first
The internal diameter of installation step.
In the waterproof construction of above-mentioned Tunnel testing camera, on the sealing ring have protrude into axially-extending portion and thoroughly
Annular extension two between mating plate, the annular extension two tightly fit between axially-extending portion and light transmitting sheet.
In the waterproof construction of above-mentioned Tunnel testing camera, there is annular groove, the sealing on the compacting ring
There is the annular protrusion being equipped with annular groove, the annular protrusion is in interference fit in annular groove on circle.Work as compacting ring
After being locked on shell by fastener, it will likely be removed in gap between the part of leak under pretightning force effect.Annular protrusion
Height is different according to the shrinking percentage of sealing ring material from the relationship of annular groove depth and changes, such as coastal cities and inland city
Sealing ring uses different materials, and shrinking percentage is different, by the sealing ring for calculating the annular protrusion using different height.
In the waterproof construction of above-mentioned Tunnel testing camera, the periphery of the compacting ring has several peaces being uniformly arranged
Dress portion, the mounting portion are connected by fastener and shell.
In the waterproof construction of above-mentioned Tunnel testing camera, the fastener is screw.
When assembly, light transmitting sheet is caught in sealing ring first, and abuts to light transmitting sheet in annular extension two, then by band
There is the sealing ring of light transmitting sheet to be installed on the first installation step, guarantees that annular extension one protrudes into the second installation step, finally
Compacting ring is covered, and compacting ring is fixed on shell by screw.
Compared with prior art, the waterproof construction of this Tunnel testing camera has the advantage that between sealing ring and shell
The effect of dual-seal is played by the first installation step and the second installation step, while being arranged between sealing ring and compacting ring
Annular protrusion and annular groove further improve leakproofness, good water-proof effect；By sealing ring and annular extension two by light transmission
Piece wraps, and avoids being crushed because of vibration equipment, improves service life；After assembling, not needing marine glue also can reach very
Good waterproof effect.
Detailed description of the invention
Fig. 1 is the perspective view of the explosion of preferred embodiment provided by the utility model.
Fig. 2 is waterproof construction provided by the utility model cross-sectional view when assembled.
Fig. 3 is cross-sectional view when waterproof construction provided by the utility model is unassembled.
In figure, 1, shell；2, the first installation step；3, light transmitting sheet；4, sealing ring；5, the second installation step；6, annular is prolonged
Extending portion one；7, compacting ring；8, fastener；9, axially-extending portion；10, annular extension two；11, annular groove；12, annular protrusion；
13, mounting portion.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
The waterproof construction of Tunnel testing camera as depicted in figs. 1 and 2, including the shell 1 for installing camera, shell 1
Upper to have through-hole, shell 1 is equipped with the first installation step 2 being coaxially disposed with through-hole, is equipped with light transmission in the first installation step 2
Piece 3, light transmitting sheet 3 are transparent glass, and sealing ring 4 is equipped between light transmitting sheet 3 and shell 1, are additionally provided on shell 1 for by sealing ring
4 fixation kits fixed with light transmitting sheet 3.
In the present embodiment, in order to realize better sealing, sealing ring 4 and the first installation step 2 are interference fitted, light transmitting sheet
3 are interference fitted with sealing ring 4, and the inner end of sealing ring 4 is resisted against on the first installation step 2, and outer end extends to the table of shell 1
Face.
As shown in figure 3, the outer end of the first installation step 2 is equipped with second installation step 5 coaxial with the first installation step 2,
There is the annular extension 1 extended in the second installation step 5, annular extends under the action of fixation kit on sealing ring 4
Portion 1 and the second installation step 5 are interference fitted.
As shown in Figure 1, fixation kit includes the compacting ring 7 that inner face is bonded with 1 surface of shell, as shown in Fig. 2, compacting ring
7 outer diameter is greater than the outer diameter of the second installation step 5, and the internal diameter of compacting ring 7 is less than the outer diameter of light transmitting sheet 3, and compacting ring 7 passes through fastening
Part 8 is fixed on shell 1.
As shown in figure 3, have the axially-extending portion 9 that is oppositely arranged with light transmitting sheet 3 on compacting ring 7, axially-extending portion 9 it is interior
Diameter is equal to the internal diameter of through-hole, and the outer diameter of axially-extending portion 9 is less than the internal diameter of the first installation step 2.
As shown in figure 3, there is the annular extension 2 10 protruded between axially-extending portion 9 and light transmitting sheet 3 on sealing ring 4,
As shown in Fig. 2, annular extension 2 10 tightly fits between axially-extending portion 9 and light transmitting sheet 3.
As shown in figure 3, having annular groove 11 on compacting ring 7, there is the ring being equipped with annular groove 11 on sealing ring 4
Shape protrusion 12, annular protrusion 12 is in interference fit in annular groove 11.After compacting ring 7 is locked on shell 1 by fastener 8,
It will likely be removed in gap between the part of leak under pretightning force effect.The height of annular protrusion 12 and the relationship of 11 depth of annular groove
Changed according to the shrinking percentage of 4 material of sealing ring difference, as coastal cities use different materials from the sealing ring 4 of inland city
Material, shrinking percentage is different, by the sealing ring 4 for calculating the annular protrusion 12 using different height.
It is described as shown in Figure 1, the dry mounting portion 13 being uniformly arranged in the waterproof construction of above-mentioned Tunnel testing camera,
Mounting portion 13 is connected by fastener 8 and shell 1.Specifically, as shown in Figure 1,4 mounting portions 13 are evenly equipped on shell 1, every
2 connecting holes are set on a mounting portion 13, the corresponding position of shell 1 are provided with threaded hole, fastener 8 is screw and passes through
It is connect after connecting hole with threaded hole.
When assembly, light transmitting sheet 3 is caught in sealing ring 4 first, and abuts to light transmitting sheet 3 in annular extension 2 10, with
The sealing ring 4 with light transmitting sheet 3 is installed on the first installation step 2 afterwards, guarantees that annular extension 1 protrudes into the second erecting bed
In rank 5, compacting ring 7 is finally covered, and compacting ring 7 is fixed on shell 1 by screw.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (9)
1. a kind of waterproof construction of Tunnel testing camera, including the shell (1) for installing camera, the shell has on (1)
There is through-hole, which is characterized in that the shell (1) is equipped with the first installation step (2) for being coaxially disposed with through-hole, and described the
It is equipped with light transmitting sheet (3) in one installation step (2), is equipped with sealing ring (4) between the light transmitting sheet (3) and shell (1), it is described
Shell (1) on be additionally provided with for the fixation kit that sealing ring (4) and light transmitting sheet (3) are fixed.
2. the waterproof construction of Tunnel testing camera according to claim 1, which is characterized in that the sealing ring (4) with
First installation step (2) interference fit, the light transmitting sheet (3) and sealing ring (4) are interference fitted, the sealing ring (4) it is interior
End is resisted against on the first installation step (2), and outer end extends to the surface of shell (1).
3. the waterproof construction of Tunnel testing camera according to claim 2, which is characterized in that first installation step
(2) outer end is equipped with second installation step (5) coaxial with the first installation step (2), has on the sealing ring (4) and extends
Annular extension one (6) in the second installation step (5), the annular extension one (6) under the action of fixation kit
It is interference fitted with the second installation step (5).
4. the waterproof construction of Tunnel testing camera according to claim 3, which is characterized in that the fixation kit includes
The compacting ring (7) that inner face is bonded with shell (1) surface, the outer diameter of the compacting ring (7) are greater than the outer of the second installation step (5)
Diameter, the internal diameter of the compacting ring (7) are less than the outer diameter of light transmitting sheet (3), and the compacting ring (7) is fixed on by fastener (8)
On shell (1).
5. the waterproof construction of Tunnel testing camera according to claim 4, which is characterized in that on the compacting ring (7)
With the axially-extending portion (9) being oppositely arranged with light transmitting sheet (3), the internal diameter of the axially-extending portion (9) is equal to the internal diameter of through-hole,
And the outer diameter of the axially-extending portion (9) is less than the internal diameter of the first installation step (2).
6. the waterproof construction of Tunnel testing camera according to claim 5, which is characterized in that on the sealing ring (4)
With the annular extension two (10) protruded between axially-extending portion (9) and light transmitting sheet (3), the annular extension two (10)
It tightly fits between axially-extending portion (9) and light transmitting sheet (3).
7. according to the waterproof construction of Tunnel testing camera described in claim 4 or 5 or 6, which is characterized in that the compacting ring
(7) there are annular groove (11) on, there is the annular protrusion (12) being equipped with annular groove (11) on the sealing ring (4),
The annular protrusion (12) is in interference fit in annular groove (11).
8. the waterproof construction of Tunnel testing camera according to claim 4, which is characterized in that the week of the compacting ring (7)
Side has several mounting portions (13) being uniformly arranged, and the mounting portion (13) is connected by fastener (8) and shell (1).
9. the waterproof construction of Tunnel testing camera according to claim 8, which is characterized in that the fastener (8) is
Screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820999778.1U CN208479778U (en) | 2018-06-27 | 2018-06-27 | The waterproof construction of Tunnel testing camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820999778.1U CN208479778U (en) | 2018-06-27 | 2018-06-27 | The waterproof construction of Tunnel testing camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208479778U true CN208479778U (en) | 2019-02-05 |
Family
ID=65215598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820999778.1U Active CN208479778U (en) | 2018-06-27 | 2018-06-27 | The waterproof construction of Tunnel testing camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208479778U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112929545A (en) * | 2021-02-07 | 2021-06-08 | 杭州海康威视数字技术股份有限公司 | Camera module and silica gel ring |
-
2018
- 2018-06-27 CN CN201820999778.1U patent/CN208479778U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112929545A (en) * | 2021-02-07 | 2021-06-08 | 杭州海康威视数字技术股份有限公司 | Camera module and silica gel ring |
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