CN203445325U

CN203445325U - Sealing connector

Info

Publication number: CN203445325U
Application number: CN201320542407.8U
Authority: CN
Inventors: 李新潮; 刘逢添; 李炳蔚
Original assignee: XINHUI KANGYU CONTROL SYSTEMS ENGINEERING Inc
Current assignee: Guangdong Heyu Sensor Co ltd
Priority date: 2013-09-02
Filing date: 2013-09-02
Publication date: 2014-02-19
Anticipated expiration: 2023-09-02

Abstract

The utility model discloses a sealing connector, which comprises a base and an electrode support. A locking nut is sleeved on the base and the electrode support to achieve the docking of the base and the electrode support. A spherical face and a conical face are adopted between the base and the electrode support to form sealing docking of the base and the electrode support. In high-pressure low-temperature conditions, the spherical face and the conical face will not be damaged and contracted, etc. After a long-term use, the spherical face and the conical face will not be hardened. Therefore, good sealing can be constantly maintained between the spherical face and the conical face. Sealing and electrical signal transmission functions can be easily integrated. The sealing connector which has the characteristics of simple reasonable and compact structure, convenient installation, low implementation cost, etc. can be widely used in high-pressure and low-temperature environments.

Description

Hermetically sealed connector

Technical field

The utility model relates to hermetically sealed connector, especially for realizing the hermetically sealed connector of sealing and electrical signal transfer in high pressure, low temperature environment.

Background technology

Hermetically sealed connector, when realizing electric signal and transmitting basic function, must possess good water proof and dust proof performance, is generally applied in the environment that the sealing of connector is had higher requirements, particularly in the electrical connection occasion of low temperature and high-pressure installation etc.Along with the environment for use of connector is further harsh, user also improves the requirement of hermetically sealed connector properties of product thereupon, needs it can bear larger pressure and lower temperature etc.Hermetically sealed connector comprises electrode tip holder part and base part, it is equivalent to plug and socket, between electrode tip holder and pedestal, dock, docking location at electrode tip holder and pedestal must be realized good sealing, and the encapsulation scheme adopting at present is normally equipped with an O RunddichtringO between electrode tip holder and pedestal, but O RunddichtringO is difficult to sealing and electric signal propagation function to be designed to one; And O RunddichtringO is used after certain hour, easily occurs hardening phenomenon, thereby cause its sealing property to decline; Simultaneously, while working in the following environment of low temperature-40 degree, O RunddichtringO there will be shrinkage phenomenon, and under high pressure effect, O RunddichtringO can be destroyed and be lost sealing property, finally cause at high pressure, low temperature environment lower seal connector and reduce and even easily lose its sealing property, cause work not normal.

Utility model content

The reliability of working under high pressure and low temperature environment in order to improve hermetically sealed connector, realize electric signal propagation function and sealing property, the utility model provides a kind of hermetically sealed connector, its sealing property does not change with the variation of temperature, pressure and the length of time, realizes the good seal performance under low temperature, condition of high voltage.

The utility model solves the technical scheme that its technical problem adopts:

Hermetically sealed connector, comprises pedestal and electrode tip holder, has locking nut to be nested with to realize on described pedestal and electrode tip holder docking of pedestal and electrode tip holder, adopts sphere and cone match to form sealing and dock between described pedestal and electrode tip holder.

Improvement as technique scheme, described electrode tip holder comprises the insulator that electrode is installed and utmost point cover and the connector that is connected to insulator upper and lower end, the upper end open of described pedestal, the upper end of electrode is stretched in the cover chamber of utmost point cover, and the lower end of electrode stretches in the atrium of described pedestal after passing the via hole on connector.

As a kind of improvement of technique scheme, described connector stretches in the atrium of described pedestal at least partly, and the internal chamber wall in the outer wall of a connector and pedestal opening chamber wherein wall forms described sphere, and another wall forms the described conical surface.

Another kind as technique scheme improves, and described base part stretches in the via hole of described connector, and the hole wall of connector via hole and base outer wall wherein a wall form described sphere, and another wall forms the described conical surface.

Further, described sphere and the conical surface are through polishing, and its roughness is less than or equal to 0.2 μ m; The tapering of the described conical surface is 60 °.

Further, described utmost point cover stretches out from the upper end of described nut and forms grip part; On the perisporium of described grip part, be formed with and prevent the square-section of skidding.

Further, described electrode is fixed on described insulator by glass sintering.

Preferably, on the upper and lower end face of described insulator, be formed with respectively bulge loop, on described utmost point cover and connector, be provided with the indent step suitable with described bulge loop, bulge loop snaps in after this indent step, and described insulator is welded and fixed with described utmost point cover and connector respectively.

The beneficial effects of the utility model are: the utility model is by docking adopting sphere and cone match to form sealing between pedestal and electrode tip holder, abandoned the use of O type circle hermetically-sealed construction in conventional art, while screwing locking nut locking electrode tip holder and pedestal, pedestal contacts compression formation sealing with the sphere between electrode tip holder with the conical surface, at high pressure, under cryogenic conditions, sphere and the conical surface there will not be destruction, the phenomenons such as contraction, after long-time use, sphere and the conical surface also there will not be hardening phenomenon, therefore, between sphere and the conical surface, can form all the time good sealing, easily realize sealing and electric signal propagation function are designed to one, the simple and reasonable compactness of the utility model, easy for installation, implementation cost is low, can be widely used in high pressure and low temperature environment.

Accompanying drawing explanation

Fig. 1 is the decomposing schematic representation of the utility model embodiment 1;

Fig. 2 is the decomposing schematic representation of insulator and connector in the utility model embodiment 1;

Fig. 3 is the perspective view of electrode tip holder in the utility model embodiment 1;

Fig. 4 is the generalized section of the utility model embodiment 1;

Fig. 5 is the generalized section of the utility model embodiment 2.

Description of reference numerals: 1 ... pedestal, 11 ... atrium; 2 ... electrode tip holder, 21 ... electrode, 22 ... insulator, 23 ... utmost point cover, 24 ... connector, 25 ... cover chamber, 26 ... via hole, 27 ... grip part, 28 ... bulge loop, 29 ... indent step, 221 ... matrix, 222 ... sintered glass, 271 ... square-section; 3 ... locking nut; A ... sphere, B ... the conical surface.

Embodiment

Below in conjunction with drawings and Examples, the utility model is described in further detail.

With reference to Fig. 1 ~ Fig. 5, hermetically sealed connector of the present utility model, comprise pedestal 1 and electrode tip holder 2, as known techniques, electrode tip holder 2 generally comprises and the insulator 22 of electrode 21 is installed and is connected on insulator 22, utmost point cover 23 and the connector 24 of lower end, consider that seal connector described in the utility model is used conventionally in high pressure and low temperature environment, therefore pedestal 1, utmost point cover 23 and connector 24 adopt metalwork, the upper end open of described pedestal 1, the upper end of electrode 21 is stretched in the cover chamber 25 of utmost point cover 23, the setting in cover chamber 25 can avoid electrode 21 to damage when assembling or contact causes on-insulated, the lower end of electrode 21 stretches in the atrium 11 of described pedestal 1 after passing the via hole 26 on connector 24, the two ends up and down of electrode 21 are used for connecting electric conductor, make the signal of telecommunication can be delivered to from one end of electrode tip holder 2 other end of pedestal 1, realize electrical signal conduction function.

Also comprise a locking nut 3, this locking nut 3 is nested with on said base 1 and electrode tip holder 2, by locking nut 3, realize docking of pedestal 1 and electrode tip holder 2, in the present embodiment, the upper end of locking nut 3 is nested with on electrode tip holder 2, the lower end of locking nut 3 forms and is threaded with the outer wall of pedestal 1, screw locking nut 3, the relative pedestal of electrode tip holder 21 is near the upper end of pedestal 1 is connected with the docking of the lower end of connector 24, adopts sphere A and conical surface B to coordinate formation to seal and dock between described pedestal 1 and electrode tip holder 2.

As embodiment 1 of the present utility model, specifically referring to Fig. 1 ~ Fig. 4, described connector 24 stretches in the atrium 11 of described pedestal 1 at least partly, and the outer wall of connector 24 forms described sphere A, and the internal chamber wall of the atrium 11 of pedestal 1 forms described conical surface B; Or the outer wall of connector 24 forms described conical surface B, the internal chamber wall of the atrium 11 of pedestal 1 forms described sphere A.

As embodiment 2 of the present utility model, specifically referring to Fig. 5, described pedestal 1 part stretches in the via hole 26 of described connector 24, and the hole wall of the via hole 26 of connector 24 forms described sphere A, and the outer wall of pedestal 1 forms described conical surface B; Or the hole wall of the via hole 26 of connector 24 forms described conical surface B, the outer wall of pedestal 1 forms described sphere A.

In embodiment 1 and embodiment 2, for after sphere A and conical surface B butt are compressed, can form better sealing, sphere A and conical surface B can be carried out to polishing, make the roughness of sphere A and conical surface B all be less than or equal to 0.2 μ m; Meanwhile, preferably the tapering size of conical surface B is 60 °, i.e. θ=60 ° in Fig. 1.

Operation principle of the present utility model is as follows: when assembling the utility model, first the lower end of electrode tip holder 2 is docked with the upper end of pedestal 1, then locking nut 3 is nested with on electrode tip holder 2 and twists and revolve locking nut 3, locking nut 3 promotes electrode tip holder 2 towards pedestal 1 displacement, make sphere A and conical surface B butt and compress gradually, finally between sphere A and conical surface B, forming good being tightly connected.

Twisting while revolving locking nut 3, for avoiding electrode tip holder 2 together to rotate with locking nut 3, utmost point cover 23 can be stretched out from the upper end of described nut 3 and form grip part 27, while screwing locking nut 3, can hold grip part 27, avoid electrode tip holder 2 to rotate, thereby can prevent from being connected to electric conductor (not illustrating) on electrode 21 by twisted and occur connecting the phenomenons such as loosening, fracture.

For ease of holding grip part 27, can on the perisporium of grip part 27, arrange and prevent the square-section 271 of skidding.

In the above-described embodiments, described electrode 21 is fixed on described insulator 22 by glass sintering, the matrix 221 of insulator 22 is metalwork, this matrix 221 and electrode 21 are fixed in mould by the position relationship of design, and then filling glass powder carries out sintering with high temperature between electrode 21 and matrix 221, sinter glass dust into sintered glass 222, this manufacture craft is existing technique, by glass sintering technique, can effectively realize the insulation between electrode 21 and insulator matrix 221, glass sintering 222 also has good sealing property simultaneously.

In the above-described embodiments, on the upper and lower end face of described insulator 22, be formed with respectively bulge loop 28, on described utmost point cover 23 and connector 24, be provided with the indent step 29 suitable with described bulge loop 28, bulge loop 28 snaps in after this indent step 29, described insulator 22 is welded and fixed with described utmost point cover 23 and connector 24 respectively, thereby utmost point cover 23, insulator 22 and connector 24 can be formed to load module is electrode tip holder 2, facilitate the assembling of hermetically sealed connector, in addition, between insulator 22 and utmost point cover 23 and connector 24, by welding, can form good welded seal

The utility model there will not be the phenomenons such as destruction, contraction at high pressure, cryogenic conditions lower peripheral surface A and conical surface B, after long-time use, sphere A and conical surface B also there will not be hardening phenomenon, therefore, between sphere A and conical surface B, can form all the time good sealing, easily realize sealing and electric signal propagation function are designed to one, there is the features such as advantages of simple compactness, easy for installation, implementation cost is low, can be widely used in high pressure and low temperature environment.

The above, be preferred embodiments of the present utility model, but the utility model is not limited to above-described embodiment, as long as it reaches technique effect of the present utility model with any same or similar means, within all should falling into protection range of the present utility model.

Claims

1. hermetically sealed connector, comprises pedestal and electrode tip holder, has locking nut to be nested with to realize on described pedestal and electrode tip holder docking of pedestal and electrode tip holder, it is characterized in that: between described pedestal and electrode tip holder, adopt sphere and cone match to form sealing and dock.

2. hermetically sealed connector according to claim 1, it is characterized in that: described electrode tip holder comprises the insulator that electrode is installed and utmost point cover and the connector that is connected to insulator upper and lower end, the upper end open of described pedestal, the upper end of electrode is stretched in the cover chamber of utmost point cover, and the lower end of electrode stretches in the atrium of described pedestal after passing the via hole on connector.

3. hermetically sealed connector according to claim 2, is characterized in that: described connector stretches in the atrium of described pedestal at least partly, and the internal chamber wall in the outer wall of a connector and pedestal opening chamber wherein wall forms described sphere, and another wall forms the described conical surface.

4. hermetically sealed connector according to claim 2, is characterized in that: described base part stretches in the via hole of described connector, and the hole wall of connector via hole and base outer wall wherein a wall form described sphere, and another wall forms the described conical surface.

5. according to the hermetically sealed connector described in any one in claim 1 ~ 4, it is characterized in that: described sphere and the conical surface are through polishing, and its roughness is less than or equal to 0.2 μ m.

6. hermetically sealed connector according to claim 5, is characterized in that: the tapering of the described conical surface is 60 °.

7. according to the hermetically sealed connector described in claim 3 or 4, it is characterized in that: described utmost point cover stretches out from the upper end of described nut and forms grip part.

8. hermetically sealed connector according to claim 7, is characterized in that: on the perisporium of described grip part, be formed with and prevent the square-section of skidding.

9. according to the hermetically sealed connector described in claim 3 or 4, it is characterized in that: described electrode is fixed on described insulator by glass sintering.

10. hermetically sealed connector according to claim 9, it is characterized in that: on the upper and lower end face of described insulator, be formed with respectively bulge loop, on described utmost point cover and connector, be provided with the indent step suitable with described bulge loop, bulge loop snaps in after this indent step, and described insulator is welded and fixed with described utmost point cover and connector respectively.