CN219018007U - Waterproof sealing connection device applied to sensor - Google Patents
Waterproof sealing connection device applied to sensor Download PDFInfo
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- CN219018007U CN219018007U CN202223043672.XU CN202223043672U CN219018007U CN 219018007 U CN219018007 U CN 219018007U CN 202223043672 U CN202223043672 U CN 202223043672U CN 219018007 U CN219018007 U CN 219018007U
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Abstract
The utility model relates to the technical field of connectors, in particular to a waterproof sealing connection device applied to a sensor, which comprises a shell, wherein a sleeve is sleeved at the top of the shell, and a cable sealing joint is sleeved at the top of the sleeve; the shell comprises an M12 connecting male head, the top end inside the shell is provided with the M12 connecting male head, and the outer side of the M12 connecting male head is sleeved with a first sealing ring; the waterproof sealing connecting device comprises a shell, and is characterized in that the shell comprises a metal connecting sleeve, the top of the shell is sleeved with the metal connecting sleeve, a second sealing ring is arranged in the metal connecting sleeve and positioned at the top of an M12 connecting male head, an M12 female head is arranged in the second sealing ring, a spring is sleeved in the metal connecting sleeve and positioned at the outer side of the M12 female head, and a cable is arranged at the top of the M12 female head and positioned at the inner side of the spring.
Description
Technical Field
The utility model relates to the technical field of connectors, in particular to a waterproof sealing connection device applied to a sensor.
Background
At present, two main methods for connecting and manufacturing a connector and a sensor are provided: one is that the connector of various standard interfaces is connected with the sensor protective shell by an O-shaped sealing ring or glue; the other is to mold the connectors of various standard interfaces and the sensor protection metal shell together in an injection molding mode;
the connector of the M12 series international standard interface is widely applied to industrial products as a public product, and at present, the connector realizes the sealing of IP67 protection level in a mode of locking O-shaped sealing rings between the male end and the female end; because at least one of the sealing surfaces of the male connector and the female connector is a plastic sealing surface, the sealing surfaces are limited by structures and materials, and the requirements of protection and sealing with higher requirements cannot be met to meet the requirements of the sensor on the use environment in long-term soaking water, such as application scenes of offshore use, water pressure monitoring in a sewer of a smart city, an underwater robot and the like; the use of standard M12 series connectors in these applications has the limitation of inadequate protection levels;
through searching, application number: 202022290530.8A connecting device for various standard interfaces applied to a sensor comprises a metal shell, a connecting needle and an insulating plastic seat, wherein the metal shell is a protective metal shell of the sensor, the metal shell is of a circular straight cylinder structure, and the connecting needle is of a folding structure and is provided with a middle part 90; bending, the upper end of the connecting pin is inserted into the metal shell, the connecting pin is not contacted with the metal shell, the insulating plastic seat wraps the bottom end of the metal shell and the middle part of the connecting pin through injection molding process, and limits the fixed connecting pin, the lower end of the connecting pin is inserted into various international standard interfaces, and the upper end of the connecting pin is connected with the electronic signals of the sensor, and the utility model has the beneficial effects that: each part is manufactured independently, the total manufacturing cost is reduced, batch production is realized, one-time injection molding is realized, the production process is simplified, the whole structure is miniaturized, the sealing performance and the protection level are improved, and the waterproof and dustproof high-level protection requirement of IP67 and above is realized;
with respect to the related art described above, the following drawbacks still exist during use: the protection level of the sensor does not meet the waterproof sealing requirement of the IP68 level, the sensor cannot work normally in water for a long time, the sensor cannot meet the application scene requirement of sensor soaking under water, and sensor failure faults are easily caused by ageing and water leakage problems, so that the improvement of the existing waterproof sealing connection device of the sensor is particularly important in designing a novel waterproof sealing connection device of the sensor to change the technical defects and improving the practicability of the waterproof sealing connection device of the whole sensor.
Disclosure of Invention
The present utility model is directed to a waterproof sealing connection device applied to a sensor, so as to solve the above-mentioned problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the waterproof sealing connection device applied to the sensor comprises a shell, wherein a sleeve is sleeved at the top of the shell, and a cable sealing joint is sleeved at the top of the sleeve;
the shell comprises an M12 connecting male head, the top end inside the shell is provided with the M12 connecting male head, and the outer side of the M12 connecting male head is sleeved with a first sealing ring;
the sleeve comprises a metal connecting sleeve, the top of the shell is sleeved with the metal connecting sleeve, a second sealing ring is arranged in the metal connecting sleeve and located at the top of the M12 connecting male head, an M12 female head is arranged in the second sealing ring, a spring is sleeved in the metal connecting sleeve and located at the outer side of the M12 female head, and a cable is arranged at the top of the M12 female head and located at the inner side of the spring.
As a preferable scheme of the utility model, the first sealing ring and the second sealing ring are both in an O-shaped structural design, and are both made of rubber materials.
As a preferable scheme of the utility model, the inner structure size of the first sealing ring is correspondingly arranged with the outer structure size of the M12 connecting male head, the outer structure size of the first sealing ring is correspondingly arranged with the inner structure size of the shell, and the outer structure size of the second sealing ring is correspondingly arranged with the inner structure size of the metal connecting sleeve.
As a preferable scheme of the utility model, the M12 female head and the M12 connecting male head are in a plug-in type structural design, and the sleeve is connected with the shell in a threaded manner.
As a preferable scheme of the utility model, the spring is arranged at the top of the second sealing ring, one end of the cable is welded at the top of the M12 female head, and the other end of the cable extends to the outer side of the sleeve and the cable sealing joint.
As a preferable scheme of the utility model, sealant is injected into the metal connecting sleeve, and the sealant wraps the inner cavity of the whole sleeve.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through the design of the shell, the sleeve and the cable sealing joint, a three-layer sealing structure is formed in the sensor, and through three-layer sealing, the protection grade of the IP68 required by the sensor for long-term operation under water is realized, the application scene requirement of the sensor for soaking in water is met, and the product can stably operate under water for a long time.
Drawings
FIG. 1 is a cross-sectional view of the overall assembly structure of the present utility model;
FIG. 2 is a cross-sectional view of the overall explosive structure of the present utility model;
fig. 3 is a cross-sectional view of the overall split structure of the present utility model.
In the figure: 1. a housing; 101. m12 is connected with the male head; 102. a first seal ring; 2. a sleeve; 201. a metal connection sleeve; 202. a second seal ring; 203. m12 female; 204. a spring; 205. a cable; 3. and (5) sealing the joint by the cable.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are, however, not limited to the embodiments described herein, but are to be provided for the purpose of making the disclosure of the utility model more thorough.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.
Examples
Referring to fig. 1-3, the present utility model provides a technical solution:
a waterproof sealing connection device applied to a sensor comprises a shell 1, wherein a sleeve 2 is sleeved at the top of the shell 1, and a cable sealing joint 3 is sleeved at the top of the sleeve 2;
the shell 1 comprises an M12 connecting male head 101, the top end inside the shell 1 is provided with the M12 connecting male head 101, and the outer side of the M12 connecting male head 101 is sleeved with a first sealing ring 102;
further, the first sealing ring 102 is in an O-shaped structure design, the first sealing ring 102 is made of rubber materials, the inner structure size of the first sealing ring 102 is correspondingly arranged with the outer structure size of the M12 connecting male head 101, the outer structure size of the first sealing ring 102 is correspondingly arranged with the inner structure size of the shell 1, the first sealing ring 102 is installed on the M12 connecting male head 101, the M12 female head 203 and the M12 connecting male head 101 are in a plug-in structure design, the sleeve 2 is connected with the shell 1 in a threaded mode, when the sleeve 2 is rotationally connected with the threads on the M12 connecting male head 101 through threads in the metal connecting sleeve 201, the sleeve 2 is sleeved at the top of the shell 1, the spring 204 is arranged at the top of the second sealing ring 202, one end of the cable 205 is welded at the top of the M12 female head 203, the other end of the cable 205 extends to the outer side of the sleeve 2 and the cable sealing joint 3, one end of the spring 204 is propped against the inner end face of the metal connecting sleeve 201, and the other end of the sleeve 2 is propped against the step upper face of the M12 female head 203, and the step lower face of the step 203 is tightly pressed against the first end face 102 of the M12 connecting male head 101 to form a stressed product;
meanwhile, the sealing end face of the male head 101 is connected through M12 to press the first sealing ring 102 to the sealing groove to form a waterproof sealing structure of a lower end interface of a product, insulating sealing glue is poured into the upper opening of the metal connecting sleeve 201, so that the inside of the cavity of the whole part 2 forms insulating waterproof sealing to form a second layer of waterproof sealing protection of the product, and finally the cable 205 connecting assembly and the product are assembled together through threads and shrinkage force of the threads, the cable sealing joint 3 wraps the cable 205 and the sealing rubber is pressed down to the inner end face on the metal connecting sleeve 201 to form the seal of the outermost layer of the product;
next, referring to fig. 1-3, the specific structure of the sleeve 2 is as follows:
the sleeve 2 comprises a metal connecting sleeve 201, the top of the shell 1 is sleeved with the metal connecting sleeve 201, a second sealing ring 202 is arranged in the metal connecting sleeve 201 and positioned at the top of the M12 connecting male head 101, an M12 female head 203 is arranged in the second sealing ring 202, a spring 204 is sleeved in the metal connecting sleeve 201 and positioned at the outer side of the M12 female head 203, and a cable 205 is arranged at the top of the M12 female head 203 and positioned at the inner side of the spring 204;
furthermore, when the waterproof sealing connection device of the sensor is used, the spring 204 is inserted into the connection metal sleeve 2, the cable 205 is inserted into the inner side of the spring 204, the core head of the cable 205 is welded to the welding terminal of the M12 female head 203, the second sealing ring 202 is of an O-shaped structure design, the second sealing ring 202 is made of rubber materials, sealing glue is injected into the metal connection sleeve 201, the sealing glue wraps the inner cavity of the whole sleeve 2, the outer structure of the second sealing ring 202 is correspondingly arranged with the inner structure of the metal connection sleeve 201, and the lower end face of the M12 female head 203 is sleeved with the second sealing ring 202, so that the sleeve 2 can be installed;
the working flow of the utility model is as follows: the first sealing ring 102 is arranged on the M12 connecting male head 101, when the sleeve 2 is rotationally connected together through the threads in the metal connecting sleeve 201 and the threads on the M12 connecting male head 101, the sleeve 2 is sleeved at the top of the shell 1, one end of the spring 204 props against the inner end face of the metal connecting sleeve 201, the other end props against the upper surface of the step of the M12 female head 203, and the first sealing ring 102 is pressed to the end face of the M12 connecting male head 101 through the stress below the step of the M12 female head 203 to form the innermost sealing of the product; meanwhile, the sealing end face of the male connector 101 is connected through M12 to press the first sealing ring 102 to the sealing groove to form a waterproof sealing structure of the lower end interface of the product;
then, insulating sealing glue is poured into the upper opening of the metal connecting sleeve 201, so that the inside of the cavity of the whole part 2 forms insulating waterproof seal, and a second layer of waterproof seal protection of the product is formed;
finally, the cable 205 is connected with the assembly and the product by the screw thread and the shrinkage force of the assembly, the cable sealing joint 3 is wrapped on the cable 205 and the sealing rubber is pressed down to the inner end surface on the metal connecting sleeve 201 to form the seal of the outermost layer of the product.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A watertight sealing connection for use on a sensor, comprising a housing (1), characterized in that: the top of the shell (1) is sleeved with a sleeve (2), and the top of the sleeve (2) is sleeved with a cable sealing joint (3);
the shell (1) comprises an M12 connecting male head (101), the top end inside the shell (1) is provided with the M12 connecting male head (101), and the outer side of the M12 connecting male head (101) is sleeved with a first sealing ring (102);
the sleeve (2) comprises a metal connecting sleeve (201), the top of the shell (1) is sleeved with the metal connecting sleeve (201), the second sealing ring (202) is arranged at the inner part of the metal connecting sleeve (201) and positioned at the top of the M12 connecting male head (101), the M12 female head (203) is arranged in the second sealing ring (202), the spring (204) is sleeved at the inner part of the metal connecting sleeve (201) and positioned at the outer side of the M12 female head (203), and the cable (205) is arranged at the top of the M12 female head (203) and positioned at the inner side of the spring (204).
2. A watertight sealing connection for use on a sensor as claimed in claim 1, characterized in that: the first sealing ring (102) and the second sealing ring (202) are of O-shaped structural design, and the first sealing ring (102) and the second sealing ring (202) are made of rubber materials.
3. A watertight sealing connection for use on a sensor as claimed in claim 1, characterized in that: the inner structure of the first sealing ring (102) is correspondingly arranged with the outer structure of the M12 connecting male head (101), the outer structure of the first sealing ring (102) is correspondingly arranged with the inner structure of the shell (1), and the outer structure of the second sealing ring (202) is correspondingly arranged with the inner structure of the metal connecting sleeve (201).
4. A watertight sealing connection for use on a sensor as claimed in claim 1, characterized in that: the M12 female head (203) and the M12 connecting male head (101) are of a plug-in type structural design, and the sleeve (2) is connected with the shell (1) in a threaded mode.
5. A watertight sealing connection for use on a sensor as claimed in claim 1, characterized in that: the spring (204) is arranged at the top of the second sealing ring (202), one end of the cable (205) is welded at the top of the M12 female joint (203), and the other end of the cable (205) extends to the outer side of the sleeve (2) and the cable sealing joint (3).
6. A watertight sealing connection for use on a sensor as claimed in claim 1, characterized in that: and sealant is injected into the metal connecting sleeve (201), and the sealant wraps the inner cavity of the whole sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223043672.XU CN219018007U (en) | 2022-11-16 | 2022-11-16 | Waterproof sealing connection device applied to sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223043672.XU CN219018007U (en) | 2022-11-16 | 2022-11-16 | Waterproof sealing connection device applied to sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219018007U true CN219018007U (en) | 2023-05-12 |
Family
ID=86238519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223043672.XU Active CN219018007U (en) | 2022-11-16 | 2022-11-16 | Waterproof sealing connection device applied to sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219018007U (en) |
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2022
- 2022-11-16 CN CN202223043672.XU patent/CN219018007U/en active Active
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