CN210607697U - Crimping formula shell fragment, connector and electronic equipment - Google Patents

Abstract

The utility model discloses a crimping formula shell fragment, connector and electronic equipment, this crimping formula shell fragment includes contact terminal, a spring, welding terminal and plastic main part, the last spring accepting hole that is equipped with of contact terminal, the inside of plastic main part is equipped with the flexible movable groove of contact terminal that is used for supplying the flexible activity of contact terminal, contact terminal includes the contact site, the both ends of contact site along first direction are extended electrical connection portion downwards perpendicularly, the contact site is along the perpendicular downwardly extending spacing fender arm of the both ends of second direction extension spring, first direction is perpendicular with the second direction, the contact site, the spring accepting hole is enclosed into to electrical connection portion and the spacing fender arm of spring, the bottom of every electrical connection portion all is equipped with two spacing draw-in grooves, the bottom of the spacing fender arm of every spring all is equipped with spacing platform, spacing platform block is in spacing draw-in groove. The utility model discloses can solve the relatively poor problem of spring spacing fender arm stability among the prior art.

Description

Crimping formula shell fragment, connector and electronic equipment

Technical Field

The utility model relates to a connector technical field especially relates to a crimping formula shell fragment, connector and electronic equipment.

Background

With the progress of science and technology and the development of economy, electronic equipment such as mobile phones and tablet computers become indispensable articles for daily use of people, the electronic product numbers are widely integrated into the daily life of people, great convenience is provided for the life and work of people, the life of people is enriched, and the elastic sheet is one of the indispensable devices in the electronic equipment. Each connector in the electronic equipment is provided with a plurality of elastic sheets, and the elastic sheets are used for connecting circuits or equipment on two sides of the elastic sheets. With the recent trend of miniaturization of electronic devices, the internal connectors of the devices are also miniaturized, and the pressure contact type elastic sheet is widely used.

The compression joint type connector disclosed by the related art comprises a contact terminal, a spring, a welding terminal and a plastic main body, wherein the contact terminal comprises a contact part and an electric connecting part vertically extending downwards along two ends of the contact part, the side of the electric connecting part vertically extends out of a spring limiting blocking arm, a spring accommodating hole for allowing the spring to move back and forth is formed by enclosing the electric connecting part and the spring limiting blocking arm, and meanwhile, a contact terminal telescopic movable groove for allowing the contact terminal to move telescopically is formed in the plastic main body.

The crimping connector of above-mentioned structure, because the spacing arm that keeps off of spring is formed by the direct perpendicular extension of electric connection portion, the stability that the spacing arm that keeps off of spring is relatively poor, in the use, the spacing arm that keeps off of spring takes place crooked or position skew easily, leads to the spring to be blocked when the spring accepting hole motion, can make the motion of contact terminal in the flexible movable groove of contact terminal simultaneously obstructed, influences product property ability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crimping formula shell fragment to solve the relatively poor problem of spring spacing fender arm stability among the prior art.

A compression joint type elastic sheet comprises a contact terminal, a spring, a welding terminal and a plastic main body, wherein the contact terminal and the welding terminal are both formed by stamping, the contact terminal is provided with a spring accommodating hole, the interior of the plastic main body is provided with a contact terminal telescopic movable groove for the contact terminal to be telescopically movable, the contact terminal comprises a contact part, the two ends of the contact part along the first direction vertically extend downwards to form an electrical connection part, the two ends of the contact part along the second direction vertically extend downwards to form a spring limit stop arm, the first direction is vertical to the second direction, the contact part the electric connection portion with the spacing fender arm of spring encloses into the spring accepting hole, every the bottom of electric connection portion all is equipped with two spacing draw-in grooves, every the bottom of the spacing fender arm of spring all is equipped with spacing platform, spacing platform block is in the spacing draw-in groove.

According to the utility model provides a crimping formula shell fragment, the spacing arm that keeps off of spring is by the perpendicular downwardly extending formation in both ends of contact site edge second direction, bottom through every electric connection portion all sets up two spacing draw-in grooves, bottom at the spacing arm that keeps off of every spring all sets up spacing platform, spacing platform block is in spacing draw-in groove, make the spacing arm that keeps off of spring and electric connection portion form the bearing structure of mutual interlock, can effectively strengthen the stability and the intensity of the spacing arm that keeps off of spring, guarantee in the use, the spacing arm that keeps off of spring can not take place crooked or offset, avoid the motion of spring and contact terminal to be obstructed.

Additionally, according to the utility model provides a crimping formula shell fragment can also have following additional technical characterstic:

further, the welding terminal includes the welding part and follows the crimping formula shell fragment that upwards extends perpendicularly at the both ends of welding part, the one end embedding of spring is in the spring accommodating hole, and the other end supports and leans on the welding part, two crimping formula shell fragment crimping is in the outside of electric connection portion, contact terminal with the welding terminal is acceptd in the cavity of plastic main part, the plastic main part with the welding terminal links together, to when the contact terminal exerted pressure, the contact terminal is in under the effect that the spring resumes elastic deformation, for the plastic main part is at the vertical direction up-and-down motion.

Furthermore, one surface of the welding part, which faces the contact terminal, is provided with a spring positioning column, and the spring is sleeved on the spring positioning column.

Furthermore, the crimping formula shell fragment card is located the outside of electric connection portion, the inside of plastic main part is equipped with the connection shell fragment and dodges the groove, the position that the groove was dodged to the connection shell fragment with the position of crimping formula shell fragment corresponds, it is right that the groove is dodged to the connection shell fragment the crimping formula shell fragment dodges.

Furtherly, two the side of electric property connecting portion bottom is hung the arm with the contact terminal pre-compaction respectively and is connected, two arm parallel arrangement is hung in the contact terminal pre-compaction, the inside of plastic main part is equipped with the pre-compaction and hangs arm movable groove, the pre-compaction hang the position of arm movable groove with the position correspondence of arm is hung in the contact terminal pre-compaction, the arm movable groove is hung in the pre-compaction is used for supplying the arm activity is hung in the contact terminal pre-compaction, the platform is hung in the pre-compaction bottom of arm movable groove is hung in the pre-compaction.

Further, the welding terminal further comprises fixing portions extending upwards vertically along two ends of the welding portion, the fixing portions are perpendicular to the compression joint type elastic pieces, fixing buckles are arranged on the fixing portions, and fixing bosses matched with the fixing buckles in a buckling mode are arranged on the outer side of the plastic main body.

Further, the welding terminal still includes the edge the terminal that upwards extends perpendicularly at the both ends of welding part strengthens the fixed card thorn, the terminal strengthen the fixed card thorn with crimping formula shell fragment parallel arrangement, the inside of plastic main part is equipped with the barb slot, the position of barb slot with the position that the fixed card thorn was strengthened to the terminal corresponds, the barb slot is used for acceping the terminal is strengthened the fixed card thorn.

Furthermore, a plurality of welding feet extend outwards from the welding part, and the welding feet and the welding part are positioned on the same horizontal plane.

Another object of the present invention is to provide a connector using the above compression-joint type elastic piece.

Another object of the present invention is to provide an electronic device using the above connector.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a first embodiment of a press-contact type elastic sheet according to the present invention at a first viewing angle;

fig. 2 is a schematic structural view of a press-contact type elastic sheet according to a first embodiment of the present invention at a second viewing angle;

fig. 3 is a schematic view of the contact terminal in a first perspective;

fig. 4 is a schematic view of the contact terminal in a second perspective;

FIG. 5 is a schematic view of a solder terminal;

FIG. 6 is a schematic view of an assembled structure of the contact terminal and the spring;

FIG. 7 is a schematic view of an assembled structure of a contact terminal, a solder terminal and a spring;

FIG. 8 is a schematic view of the plastic body at a first viewing angle;

FIG. 9 is a schematic view of the plastic body at a second viewing angle;

fig. 10 is a schematic structural view illustrating a first embodiment of the present invention in which a press-contact type elastic sheet is soldered on a circuit board.

Detailed Description

In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "up," "down," and the like are for illustrative purposes only and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 10, a press-fit type elastic piece according to a first embodiment of the present invention includes a contact terminal 10, a spring 20, a solder terminal 30 and a plastic body 40.

The contact terminal 10 and the welding terminal 30 are both formed by stamping and are of an integrated structure, and the contact terminal 10 and the welding terminal 30 are both made of conductive metal materials. The plastic main body 40 is an injection molding structure and made of hard plastic materials, so that when the compression joint type elastic piece is manufactured, the production efficiency is high, the manufacturing process is simple, and the production cost is low.

The contact terminal 10 is provided with a spring receiving hole 101, the welding terminal 30 includes a welding portion 31 and a press-connection type elastic sheet 32 extending vertically upwards along two ends of the welding portion 31, one end of the spring 20 is embedded into the spring receiving hole 101, the other end of the spring abuts against the welding portion 31, the spring 20 is used for providing elastic force, and when the device contact applies pressure to the contact terminal 10, reverse acting force can be provided to ensure contact stability.

The two crimping elastic pieces 32 are crimped at two ends of the outer side of the contact terminal 10, and during specific implementation, the crimping elastic pieces 32 should have a certain deformation amount to ensure that the contact terminal 10 can be clamped. The contact terminal 10 and the solder terminal 30 are received in the cavity of the plastic body 40. Because the contact terminal 10 and the solder terminal 30 are accommodated in the cavity of the plastic body 40, the size is small, the occupied area is small, the space is saved, and the miniaturization of the electronic equipment is facilitated.

The plastic main body 40 and the welding terminal 30 are connected together, when applying pressure to the contact terminal 10, the contact terminal 10 is under the effect that the spring 20 recovers elastic deformation, and moves up and down in the vertical direction relative to the plastic main body 40, and no inclined displacement occurs, and the contact stability is high.

Specifically, the plastic body 40 is provided therein with a contact terminal telescopic moving groove 401 for allowing the contact terminal 10 to move telescopically, so as to limit the left and right displacement of the contact terminal 10 when the contact terminal moves vertically.

The contact terminal 10 includes the contact site 11, is equipped with the contact convex closure 111 on the contact site 11, the both ends perpendicular downwardly extending of first direction of contact site 11 edge extend electrical connection portion 12, the perpendicular downwardly extending of both ends along the second direction of contact site 11 edge spring limit stop arm 13, first direction with the second direction is perpendicular, two the concrete crimping of crimping formula shell fragment 32 is in the outside of electrical connection portion 12.

The contact portion 11, the electrical connection portions 12 and the spring limiting blocking arms 13 enclose the spring accommodating hole 101, specifically, the two electrical connection portions 12 are arranged in a central symmetry manner by using the contact portion 11, and the two spring limiting blocking arms 13 are also arranged in a central symmetry manner by using the contact portion 11.

Each bottom of the electrical connection portion 12 is provided with two limiting clamping grooves 121, and the two limiting clamping grooves 121 are located at two ends of the bottom of the electrical connection portion 12.

Every the bottom that keeps off the arm 13 in the spring spacing all is equipped with spacing platform 131, spacing platform 131 block is in spacing draw-in groove 121 for the arm 13 and the electric connection portion 12 in the spring spacing have formed the bearing structure of interlock each other.

The press-fit type elastic sheet 32 is clamped at the outer side of the electrical connection part 12, and the electrical conduction between the contact terminal 10 and the welding terminal 30 is realized through the contact between the press-fit type elastic sheet 32 and the electrical connection part 12. When the spring receiving hole 101 is received in the spring receiving hole 101, the movement of the spring 20 is restricted by the spring stopper arm 13. Because spacing platform 131 block is in spacing draw-in groove 121, the spacing fender arm 13 of spring and electric connection portion 12 have formed the bearing structure of mutual interlock, can effectively strengthen the stability and the intensity of the spacing fender arm 13 of spring, guarantee in the use, the spacing fender arm 13 of spring can not take place crooked or position deviation, can not block spring 20, and can not influence the flexible activity of the flexible movable chute 401 of contact terminal in the contact terminal 10.

In this embodiment, the welding portion 31 faces the one surface of the contact terminal 10 and is provided with a spring positioning column 311, the spring 20 is sleeved on the spring positioning column 311, so as to position and guide the movement of the spring 20 and avoid the distortion of the spring 20.

The plastic main body 40 is provided with a connecting elastic sheet avoiding groove 41 inside, the position of the connecting elastic sheet avoiding groove 41 corresponds to the position of the crimping type elastic sheet 32, and the connecting elastic sheet avoiding groove 41 is used for avoiding the crimping type elastic sheet 32.

Two the side of electric property connecting portion 12 bottom hangs the arm 14 with the contact terminal pre-compaction respectively and is connected, two the arm 14 parallel arrangement is hung in the contact terminal pre-compaction, the inside of plastic main part 40 is equipped with the pre-compaction and hangs arm movable groove 42, the pre-compaction hang the position of arm movable groove 42 with the arm 14 is hung in the contact terminal pre-compaction the position corresponds, arm movable groove 42 is hung in the pre-compaction is used for supplying the arm 14 activity is hung in the contact terminal pre-compaction, the platform 43 is hung in the pre-compaction bottom of arm movable groove 42 is equipped with the contact terminal pre-compaction to the pre-compaction. By providing the contact terminal pre-pressing hanging arm 14, the contact terminal 10 can be ensured to have high consistency, and the positive force during contact can be ensured.

The welding terminal 30 further includes fixing portions 33 extending vertically upward along two ends of the welding portion 31, and specifically, the two fixing portions 33 are symmetrically disposed with the welding portion 31 as a center. The fixing portion 33 is perpendicular to the press-connection type elastic sheet 32, the fixing portion 33 is provided with a fixing buckle 331, and the outer side of the plastic main body 40 is provided with a fixing boss 44 in snap fit with the fixing buckle 331, so that the plastic main body 40 is connected with the welding terminal 30.

The welding terminal 30 further includes a terminal reinforcing fixing barb 34 vertically extending upward along both ends of the welding portion 31 for enhancing structural strength. Fixed card thorn 34 is strengthened to the terminal with crimping formula shell fragment 32 parallel arrangement, the inside of plastic main part 40 is equipped with barb slot 45, barb slot 45's position with the position that fixed card thorn 34 was strengthened to the terminal corresponds, barb slot 45 is used for acceping fixed card thorn 34 is strengthened to the terminal.

Optionally, a plurality of welding feet 35 extend outwards from the welding portion 31, the welding feet 35 and the welding portion 31 are located on the same horizontal plane, and the welding area is increased by arranging the welding feet 35, so that the reliability is improved.

Referring to fig. 8, the bottom of the plastic main body 40 is provided with a welding boss 46, preferably, the plastic main body 40 is rectangular, and the welding bosses 46 are provided at the bottoms of four corners of the plastic main body 40. The bottom surface of the welding boss 46, the bottom surface of the welding foot 35 and the bottom surface of the welding part 31 are located at the same horizontal plane, and the plastic main body 40 can be better welded on the circuit board 100 by the welding boss 46.

In summary, the press-connection type elastic sheet provided by the embodiment has the following beneficial effects:

a. the limiting table 131 is clamped in the limiting clamping groove 121, so that the spring limiting blocking arm 13 and the electrical connection part 12 form a mutually meshed supporting structure, the stability and the strength of the spring limiting blocking arm 13 can be effectively enhanced, the spring limiting blocking arm 13 is ensured not to be bent or shifted in position in the use process, and the movement of the spring 20 and the contact terminal 10 is prevented from being blocked;

b. after the contact terminal 10 and the welding terminal 30 are assembled together, the contact terminal is accommodated in the cavity of the plastic main body 40, so that the size is small, the occupied area of the board is small, the space is saved, and the miniaturization of electronic equipment is facilitated;

c. the compression joint type elastic sheet is provided with the independent spring 20, one end of the spring 20 is embedded into the spring accommodating hole 101, the other end of the spring 20 is abutted against the welding part 31, and the contact terminal 10 and the welding terminal 30 are accommodated in the cavity of the plastic main body 40, so that the movement of the contact terminal 10 can be limited through the plastic main body 40, when pressure is applied to the contact terminal 10, the contact terminal 10 can move up and down in the vertical direction relative to the plastic main body 40 under the action of elastic deformation recovery of the spring 20, no inclined displacement occurs, and the contact stability is high;

d. the contact terminal 10 and the welding terminal 30 are both of a stamping structure, the plastic main body 40 is formed by injection molding, the production efficiency is high, the manufacturing process is simple, and the production cost is low.

Meanwhile, a second embodiment of the present invention provides a connector, which includes at least the press-fit type resilient piece of the first embodiment, and the connector may include a plurality of press-fit type resilient pieces of the first embodiment.

A third embodiment of the present invention provides an electronic device including at least the connector of the second embodiment, which may include connectors in a plurality of second embodiments.

It should be noted that the electronic device may be a mobile phone, a tablet computer, a desktop computer, a PAD, an air conditioner, a refrigerator, or the like.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A compression joint type elastic sheet comprises a contact terminal, a spring, a welding terminal and a plastic main body, wherein the contact terminal and the welding terminal are both formed by punching, the contact terminal is provided with a spring accommodating hole, the plastic main body is internally provided with a contact terminal telescopic movable groove for the telescopic movement of the contact terminal, the compression joint type elastic sheet is characterized in that the contact terminal comprises a contact convex hull, the contact convex hull vertically extends downwards along two ends of a first direction to form an electric connecting part, the contact convex hull vertically extends downwards along two ends of a second direction to form a spring limiting blocking arm, the first direction is vertical to the second direction, the contact convex hull, the electric connecting part and the spring limiting blocking arm are enclosed to form the spring accommodating hole, the bottom of each electric connecting part is provided with two limiting clamping grooves, and the bottom of each spring limiting blocking arm is provided with a limiting table, the limiting table is clamped in the limiting clamping groove, so that the spring limiting blocking arm and the electric connection part form a mutually meshed supporting structure.

2. The compression-joint type elastic sheet according to claim 1, wherein the welding terminal comprises a welding portion and compression-joint type elastic sheets vertically extending upwards from two ends of the welding portion, one end of the spring is embedded into the spring receiving hole, the other end of the spring abuts against the welding portion, the two compression-joint type elastic sheets are clamped at two ends of the outer side of the contact terminal so as to assemble the contact terminal and the welding terminal together, the contact terminal and the welding terminal are accommodated in the cavity of the plastic main body after being assembled together, the plastic main body is connected with the welding terminal, and when pressure is applied to the contact terminal, the contact terminal moves up and down in the vertical direction relative to the plastic main body under the action of elastic deformation recovery of the spring.

3. A press-fit elastic piece according to claim 2, wherein a spring positioning post is provided on a surface of the welding portion facing the contact terminal, and the spring is sleeved on the spring positioning post.

4. The crimping type elastic piece according to claim 2, wherein the crimping type elastic piece is clamped at an outer side of the electrical connection portion, a connecting elastic piece avoiding groove is formed in the plastic main body, the position of the connecting elastic piece avoiding groove corresponds to the position of the crimping type elastic piece, and the connecting elastic piece avoiding groove is used for avoiding the crimping type elastic piece.

5. The crimping type elastic sheet according to claim 4, wherein the two sides of the bottom of the electrical connection portion are respectively connected with a contact terminal pre-pressing hanging arm, the two contact terminal pre-pressing hanging arms are arranged in parallel, a pre-pressing hanging arm movable groove is arranged inside the plastic body, the position of the pre-pressing hanging arm movable groove corresponds to the position of the contact terminal pre-pressing hanging arm, the pre-pressing hanging arm movable groove is used for moving the contact terminal pre-pressing hanging arm, and a contact terminal pre-pressing hanging table is arranged at the bottom of the pre-pressing hanging arm movable groove.

6. The compression-joint type elastic sheet according to claim 2, wherein the welding terminal further comprises a fixing portion extending vertically upwards along two ends of the welding portion, the fixing portion is perpendicular to the compression-joint type elastic sheet, a fixing buckle is arranged on the fixing portion, and a fixing boss which is in snap fit with the fixing buckle is arranged on the outer side of the plastic main body.

7. The crimping formula shell fragment of claim 2, characterized in that, the welded terminal still includes follows the perpendicular upwards terminal that extends in the both ends of welding part strengthens the fixed card thorn, the terminal strengthen the fixed card thorn with crimping formula shell fragment parallel arrangement, the inside of plastic main part is equipped with the barb slot, the position of barb slot with the terminal strengthens the position correspondence of fixed card thorn, the barb slot is used for acceping the terminal strengthens the fixed card thorn.

8. A press-fit elastic piece according to claim 2, wherein a plurality of welding legs extend outwards from the welding portion, and the welding legs and the welding portion are located on the same horizontal plane.

9. A connector comprising the press-fit spring plate according to any one of claims 1 to 8.

10. An electronic device comprising the connector of claim 9.

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