CN219321687U - Micro rectangular electric connector - Google Patents
Micro rectangular electric connector Download PDFInfo
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- CN219321687U CN219321687U CN202223534106.9U CN202223534106U CN219321687U CN 219321687 U CN219321687 U CN 219321687U CN 202223534106 U CN202223534106 U CN 202223534106U CN 219321687 U CN219321687 U CN 219321687U
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Abstract
The utility model belongs to the technical field of electric connector application, and particularly discloses a micro rectangular electric connector which comprises a lower rectangular shell, an upper rectangular shell, a strip-shaped fixing plate, a plurality of contact pin through holes, fixing seat screw holes, upper rectangular shell clamping grooves, upper rectangular shell through grooves, a transition plate, a circular open type connecting part, a circular contact part, a plurality of contact pins, a circular transition part, a contact pin contact part and the like. The micro rectangular electric connector has the beneficial effects that: 1. the whole structure is of a combined design, so that the manufacturing, operation and assembly are convenient, and the production efficiency is high; 2. the device is suitable for the dynamic salt spray injection with the environment temperature of-55 ℃ to 125 ℃, the contact resistance of less than or equal to 20mΩ and the characteristic resistance of 10+/-15 Ω, can bear 500 hours, has 500 times of plugging service life, and meets the low-frequency use requirement; 3. high temperature, humidity, vibration, high impact and submerged working environments; 4. is not loose, deformation-free and easy to clean and maintain.
Description
Technical Field
The utility model belongs to the technical field of connector application, and particularly relates to a micro rectangular electric connector.
Background
The miniature rectangular connector is divided into three main types of aluminum cold extrusion shells, full plastic shells and extension shells according to the shell form.
Besides meeting the general performance requirements, the electric connector has the particularly important requirements that the electric connector has to achieve good contact, reliable work and convenient maintenance, and whether the work reliability directly affects the normal work of an aircraft circuit or not relates to the security risk of the whole host.
Therefore, the host circuit has very strict requirements on the quality and reliability of the electric connector, and the high quality and the high reliability of the electric connector lead the electric connector to be widely applied to military systems such as aviation, aerospace, national defense and the like, and the common classification method of the electric connector comprises appearance, structure, application and the like.
At present, the rectangular electric connector is widely applied to various fields such as aerospace, transportation, medical appliances and the like, and the special performance of the working environment determines that the electric connector is miniaturized and high-density, and meanwhile, the capability of resisting various severe working environments such as high and low temperature, strong vibration and the like is improved. Once the electrical connector cannot work normally due to the above reasons, the whole circuit system will face the danger of paralysis, and the consequences caused by the paralysis are not imaginable, so when designing the electrical connector structure, it is needed to ensure the integrity of the transmission signal and meet the corresponding mechanical indexes, and how to design an electrical connector to meet the above requirements is currently needed to be solved.
Accordingly, based on the above-described problems, the present utility model provides a micro rectangular electrical connector.
Disclosure of Invention
The utility model aims to: the utility model aims to provide a micro rectangular electric connector, which solves the problems existing in the prior art when the electric connector is applied and used.
The technical scheme is as follows: the micro rectangular electric connector comprises a lower rectangular shell and an upper rectangular shell, wherein a strip-shaped fixing plate is arranged in the lower rectangular shell, a plurality of contact pin through holes are formed in the strip-shaped fixing plate, fixing seats are arranged on the outer walls of the two sides of the lower rectangular shell, fixing seat screw holes are respectively formed in the fixing seats, upper rectangular shell screw holes are respectively formed in the end faces of the two ends of the upper rectangular shell, an upper rectangular shell clamping groove and an upper rectangular shell through groove are respectively formed in the two sides of the upper rectangular shell, a transition plate is arranged in the upper rectangular shell clamping groove, a round open type connecting part penetrating through the upper rectangular shell through groove is arranged on one surface of the transition plate, a plurality of contact pins are arranged in the strip-shaped fixing plate through the plurality of contact pin through holes, round transition parts are respectively arranged on one end faces of the contact pins, and contact pin contact parts are respectively arranged on one end faces of the round transition parts; the round contact part is contacted with the contact pin contact part, and the fixing seat and the upper rectangular shell are fixedly assembled through bolts by utilizing screw holes of the fixing seat and screw holes of the upper rectangular shell.
According to the technical scheme, the micro rectangular electric connector further comprises a first strip-shaped fixing plate groove and a second strip-shaped fixing plate groove which are arranged on two sides of the strip-shaped fixing plate; the pins are respectively penetrated through the pin through holes and then sealed and fixed through the first epoxy resin layer and the second epoxy resin layer.
According to the technical scheme, the micro rectangular electric connector further comprises fixing seat limit grooves respectively arranged in the end faces of one end of the fixing seat, reinforcing fixing blocks respectively arranged on the bottom surfaces of two ends of the upper rectangular shell, reinforcing fixing block screw holes respectively arranged in the reinforcing fixing blocks, limit protrusions respectively arranged on one surface of the reinforcing fixing blocks, and limit protrusion screw holes respectively arranged in the limit protrusions; the bolt respectively rotates to sequentially penetrate through the rectangular shell screw hole, the reinforcing fixing block screw hole, the limiting protrusion screw hole, the fixing seat limiting groove and the fixing seat screw hole, and protrudes out of the fixing seat.
According to the technical scheme, the micro rectangular electric connector further comprises a sealing filling layer for fastening the transition plate in the clamping groove of the upper rectangular shell.
According to the technical scheme, the contact pin, the round transition part and the contact pin contact part are of an integrally formed copper structure.
According to the technical scheme, the transition plate, the circular open-type connecting part and the circular contact part are of an integrally formed copper structure.
According to the technical scheme, the diameters of the transition part, the contact part of the contact pin and the contact pin are sequentially decreased, and the transition part is of a circular plate type structure.
According to the technical scheme, the transition plate is of a rectangular structure, the circular contact portion is of a cylindrical structure, and the diameter size of the transition plate is larger than that of the contact portion of the contact pin.
Compared with the prior art, the micro rectangular electric connector has the beneficial effects that: 1. the whole structure is of a combined design, so that the manufacturing, operation and assembly are convenient, and the production efficiency is high; 2. the device is suitable for dynamic salt spray injection with the environmental temperature of-55 ℃ to 125 ℃, the contact resistance of less than or equal to 20mΩ and the characteristic resistance of 10+/-15 Ω, can bear 500 hours, has 500 times of plugging service life, and meets the low-frequency use requirement; 3. high temperature, humidity, vibration, high impact and submerged working environments; 4. is not loose, deformation-free and easy to clean and maintain.
Drawings
In order to more clearly describe the embodiments of the present utility model or the technical solutions in the prior art, the following will be made
The drawings that are required for the embodiments are briefly described, and it is apparent that the drawings in the following description are merely some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort to those of ordinary skill in the art.
Fig. 1 is a schematic diagram of the structure of a micro rectangular electrical connector before assembly according to the present utility model;
FIG. 2 is a schematic diagram of the micro-rectangular electrical connector of the present utility model;
wherein, the serial numbers in the figure are as follows: the device comprises a 10-lower rectangular shell, a 11-fixed seat, a 12-fixed seat screw hole, a 13-fixed seat limit groove, a 14-first strip-shaped fixed plate groove, a 15-first epoxy resin layer, a 16-second strip-shaped fixed plate groove, a 17-second epoxy resin layer, a 18-contact pin through hole, a 19-contact pin, a 20-round transition part, a 21-contact pin contact part, a 22-upper rectangular shell, a 23-bolt, a 24-upper rectangular shell screw hole, a 25-reinforced fixed block, a 26-reinforced fixed block screw hole, a 27-limit protrusion, a 28-limit protrusion screw hole, a 29-transition plate, a 30-round contact part, a 31-round connecting part, a 32-sealing filling layer, a 33-upper rectangular shell clamping groove, a 34-upper rectangular shell through groove and a 35-strip-shaped fixed plate.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in 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 creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms "top", "bottom", "one side", "the other side", "front", "rear", "middle portion", "inside", "top", "bottom", etc., are directions or positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The utility model is further elucidated below in connection with the drawings and the specific embodiments.
Example 1
The micro-rectangular electrical connector shown in fig. 1 and 2, includes a lower rectangular housing 10 and an upper rectangular housing 22,
a bar-shaped fixing plate 35 is provided in the lower rectangular case 10,
a plurality of pin through holes 18 are arranged in the strip-shaped fixing plate 35,
the outer walls of both sides of the lower rectangular shell 10 are provided with fixing seats 11,
the fixing seat 11 is respectively provided with a fixing seat screw hole 12,
upper rectangular shell screw holes 24 are respectively arranged in the end surfaces of two ends of the upper rectangular shell 22,
the upper rectangular shell 22 is provided with an upper rectangular shell clamping groove 33 and an upper rectangular shell through groove 34 on both sides,
a transition plate 29 is provided in the upper rectangular-shell catching groove 33,
one side of the transition plate 29 is provided with a circular open-type connection portion 31 penetrating the upper rectangular-case through groove 34,
the other side of the transition plate 29 is provided with a circular contact portion 30,
a plurality of pins 19 are arranged in the strip-shaped fixing plate 35 through a plurality of pin through holes 18,
the pin 19 is provided with a rounded transition 20 at one end face,
the end face of one end of the circular transition part 20 is respectively provided with a contact pin contact part 21;
the circular contact portion 30 contacts with the pin contact portion 21, and the fixing seat 11 and the upper rectangular shell 22 are fixedly assembled by using the fixing seat screw hole 12 and the upper rectangular shell screw hole 24 through bolts 23.
Example two
On the basis of the first embodiment, the micro rectangular electric connector further comprises a first strip-shaped fixing plate groove 14 and a second strip-shaped fixing plate groove 16 which are arranged on two sides of the strip-shaped fixing plate 35;
the pins 19 are inserted through the pin through holes 18, and then sealed and fixed by the first epoxy resin layer 15 and the second epoxy resin layer 17.
Example III
On the basis of the first embodiment or the second embodiment, the micro rectangular electric connector further comprises a fixed seat limiting groove 13 respectively arranged in an end face of one end of the fixed seat 11, a reinforced fixed block 25 respectively arranged on the bottom faces of two ends of the upper rectangular shell 22, a reinforced fixed block screw hole 26 respectively arranged in the reinforced fixed block 25, a limiting protrusion 27 respectively arranged on one surface of the reinforced fixed block 25, and a limiting protrusion screw hole 28 respectively arranged in the limiting protrusion 27;
wherein, in the spacing recess 13 of fixing base is gone into to spacing protruding 27 card after the assembly, bolt 23 rotatory respectively runs through rectangle shell screw 24, reinforcing fixed block screw 26, spacing protruding screw 28, fixing base spacing recess 13, fixing base screw 12 in proper order, and outstanding fixing base 11.
Example IV
On the basis of the first embodiment, the second embodiment or the third embodiment, the micro rectangular electric connector further comprises a sealing filling layer 32 for fastening the transition plate 29 in the upper rectangular shell clamping groove 33, wherein the sealing filling layer 32 has the characteristics of insulation, high temperature resistance, corrosion resistance and the like, such as adhesive.
In addition, the contact pin 19, the circular transition portion 20 and the contact pin contact portion 21 are preferably integrally formed copper structures.
In addition, the preferred transition plate 29, circular open connection 31 and circular contact 30 are integrally formed copper structures.
In addition, the diameter sizes of the transition portion 20, the pin contact portion 21, and the pin 19 preferably decrease in order, wherein the transition portion 20 is provided in a circular plate structure.
In addition, the preferred transition plate 29 is provided in a rectangular configuration, the circular contact portion 30 is provided in a cylindrical configuration, and the diameter dimension is larger than the diameter dimension of the pin contact portion 21, achieving good electrical conductivity.
The working principle or the structural principle of the micro rectangular electric connector with the structure is as follows:
as further shown in figures 1 and 2,
firstly, a plurality of pins 19 are installed in a strip-shaped fixing plate 35 through a plurality of pin through holes 18, and the pins 19 are sealed and fixed in a first strip-shaped fixing plate groove 14 and a second strip-shaped fixing plate groove 16 by utilizing a first epoxy resin layer 15 and a second epoxy resin layer 17;
then, the transition plate 29 is fixed in an upper rectangular shell clamping groove 33 on one side of the upper rectangular shell 22 by using a sealing filling layer 32, and the circular open connecting part 31 is positioned in the upper rectangular shell through groove 34 and does not protrude out of the upper rectangular shell through groove 34;
finally, the limiting protrusion 27 is clamped in the limiting groove 13 of the fixing base in a aligned mode, the fixing base 11 and the upper rectangular shell 22 are fixedly assembled through the upper rectangular shell screw hole 24, the reinforcing fixing block screw hole 26, the limiting protrusion screw hole 28 and the fixing base screw hole 12 by means of bolts 23, and after assembly, the contact pin contact part 21 is in fastening contact with the round contact part 30.
It should be noted that in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. Micro rectangular electrical connector comprising a lower rectangular shell (10) and an upper rectangular shell (22), characterized in that:
a strip-shaped fixing plate (35) is arranged in the lower rectangular shell (10),
a plurality of contact pin through holes (18) are arranged in the strip-shaped fixing plate (35),
the outer walls of the two sides of the lower rectangular shell (10) are provided with fixing seats (11),
fixing seat screw holes (12) are respectively arranged in the fixing seat (11),
upper rectangular shell screw holes (24) are respectively arranged in the end faces of the two ends of the upper rectangular shell (22),
an upper rectangular shell clamping groove (33) and an upper rectangular shell through groove (34) are respectively arranged on two sides of the upper rectangular shell (22),
a transition plate (29) is arranged in the upper rectangular shell clamping groove (33),
one surface of the transition plate (29) is provided with a circular open type connecting part (31) penetrating through the upper rectangular shell through groove (34),
a round contact part (30) is arranged on the other surface of the transition plate (29),
a plurality of contact pins (19) are arranged in the strip-shaped fixing plate (35) through a plurality of contact pin through holes (18),
a round transition part (20) is arranged on one end face of the contact pin (19),
the end face of one end of the circular transition part (20) is respectively provided with a contact pin contact part (21);
the round contact part (30) is contacted with the contact pin contact part (21), and the fixing seat (11) and the upper rectangular shell (22) are fixedly assembled through bolts (23) by utilizing the fixing seat screw holes (12) and the upper rectangular shell screw holes (24).
2. The micro-rectangular electrical connector of claim 1, wherein: the micro rectangular electric connector further comprises a first strip-shaped fixing plate groove (14) and a second strip-shaped fixing plate groove (16) which are arranged on two sides of the strip-shaped fixing plate (35);
the pins (19) are respectively penetrated through the pin through holes (18) and then are sealed and fixed through the first epoxy resin layer (15) and the second epoxy resin layer (17).
3. The micro-rectangular electrical connector of claim 2, wherein: the micro rectangular electric connector further comprises a fixed seat limit groove (13) which is respectively arranged in the end face of one end of the fixed seat (11), a reinforced fixed block (25) which is respectively arranged on the bottom surfaces of two ends of the upper rectangular shell (22), reinforced fixed block screw holes (26) which are respectively arranged in the reinforced fixed block (25), limit protrusions (27) which are respectively arranged on one surface of the reinforced fixed block (25), and limit protrusion screw holes (28) which are respectively arranged in the limit protrusions (27);
the post-assembly limiting protrusion (27) is clamped into the fixing seat limiting groove (13), the bolt (23) respectively rotates to sequentially penetrate through the upper rectangular shell screw hole (24), the reinforcing fixing block screw hole (26), the limiting protrusion screw hole (28), the fixing seat limiting groove (13) and the fixing seat screw hole (12), and protrudes out of the fixing seat (11).
4. The micro-rectangular electrical connector of claim 3, wherein: the micro rectangular electric connector further comprises a sealing filling layer (32) for fastening the transition plate (29) in the upper rectangular shell clamping groove (33).
5. The micro-rectangular electrical connector of claim 1, wherein: the contact pin (19), the round transition part (20) and the contact pin contact part (21) are of an integrally formed copper structure.
6. The micro-rectangular electrical connector of claim 1, wherein: the transition plate (29), the circular open-type connecting part (31) and the circular contact part (30) are of an integrally formed copper structure.
7. The micro rectangular electrical connector according to claim 1 or 5, wherein: the diameters of the transition part (20), the contact pin contact part (21) and the contact pin (19) are sequentially decreased, wherein the transition part (20) is of a circular plate type structure.
8. The micro rectangular electrical connector according to claim 1 or 2, wherein: the transition plate (29) is arranged in a rectangular structure, the circular contact part (30) is arranged in a cylindrical structure, and the diameter size of the circular contact part is larger than that of the contact pin contact part (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223534106.9U CN219321687U (en) | 2022-12-29 | 2022-12-29 | Micro rectangular electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223534106.9U CN219321687U (en) | 2022-12-29 | 2022-12-29 | Micro rectangular electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219321687U true CN219321687U (en) | 2023-07-07 |
Family
ID=87026492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223534106.9U Active CN219321687U (en) | 2022-12-29 | 2022-12-29 | Micro rectangular electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219321687U (en) |
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2022
- 2022-12-29 CN CN202223534106.9U patent/CN219321687U/en active Active
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