TWM516256U - Grounding structure of cap type connector - Google Patents

Description

Grounding structure of gland connector

The present invention is an electrical connector, in particular, a gland-type, grounded structure of a connector that interfaces with an object such as an FPC or an FFC.

The electrical connector is an electronic component that is widely used in various electronic products to electrically connect devices or devices through electrical connectors to assist in the transmission and communication of signals between each other.

The connection of the electrical connector to the signal source is generally performed by soldering, clamping or crimping. For example, an electrical connector that is connected to a cable and transmits a signal has its built-in terminals and each cable connected by soldering, and then the terminals are assembled in the electrical connector. As for an electrical connector connected to a Flexible Print Circuit (FPC) or a Flexible Flat Cable (FFC), a clip-type terminal set is usually designed in the electrical connector with the plate or The flake FPC or FFC is docked to transmit the signal it passes through.

In the related prior art document, the disclosed in Japanese Patent No. I438972 is an electrical connector corresponding to the FFC, and in particular, the prior art also discusses When it comes to contact with the grounding end of the FFC, some interference noise can be filtered out by ground conduction. As can be clearly seen from Fig. 13 of the present case, the connector is connected by a metal member (7) mounted on both sides with a ground terminal (3) inserted in a flexible cable FFC (4) inserted into the connector. Interference noise; wherein the metal component (7) has a structure as disclosed in FIG. 11, including a ground contact (10) and a leaf spring (39, contact pressure generating portion) opposite thereto, and The leaf spring (39) is integrally formed with the ground contact (10), and when the flexible cable FFC (4) is interposed therebetween, a contact is made between the ground terminal (3) and the ground contact (10). pressure.

Although the prior art disclosed above can help the flexible cable FFC (4) to be connected to the connector, in addition to turning on the electronic signal on the FFC, the interference noise can be filtered out by grounding, but the case The design of the metal component (7) structure is too complicated, which will cause some troubles in the application, and the low yield will lead to an increase in the manufacturing cost; in addition, the grounding contact is performed by the clamping method, provided that the flexible cable is used. The insertion point of the FFC (4) (between the ground contact 10 and the leaf spring 39) is very accurate, otherwise the grounding effect may be affected.

In particular, the present invention proposes a novel "Grounding Connector Grounding Structure" in which a metal earring member disposed on the connector is in direct contact with the grounding end of the FPC/FFC inserted into the connector to exclude the two. The noise interference during the signal transmission process makes the quality of the signal transmission more stable; in particular, the ear button has a simple structure and is easy to apply, and can help reduce the manufacturing cost of the connector compared with the prior art. the main purpose.

For the purpose of creation, the connector of the present invention includes an insulating body, plural a conductive terminal, a pressing cover and a two-ear buckle; wherein the plurality of conductive terminals are fixed in the insulating body, and two ends of the insulating body are axially extending away from the insulating body, and the two guiding arms are The space enclosed by the insulating body constitutes an insertion space of an object (for example, a Flexible Print Circuit, FPC or Flexible Flat Cable, FFC).

The inner side of the two guiding arms respectively have a horizontally opposite receiving groove to provide the installation of the gland. In addition, the insulating body and the bottom surface of the two guiding arms are connected by a base on the base and adjacent to the two guiding arms. The utility model has a convex card abutting portion, and the card abutting portion further has a rising inclined guiding surface.

The shape and structure of the two ear buckles are symmetrical with each other, and is a metal component having at least a main body portion, a connecting portion and a grounding portion. The main body portion is fixed to the connector, and the extension portion is further extended with a plug. The end of the plug end has a ratchet on the surface, the connecting portion is fixedly connected with the circuit board outside the connector, and the ground portion is in contact with the ground end of the FPC/FFC inserted into the connector; The grounding portion further includes a leaf spring and a contact portion. One end of the leaf spring is connected with a connecting plate. The opposite end of the connecting plate has a raised baffle, and one side of the connecting plate is connected to the upper edge of the main body portion. The contact portion is connected to the free end of the leaf spring, and the leaf spring and the connecting plate have a turning portion through which the leaf spring has elastically directed toward the base of the connector.

The two ear buckles are respectively mounted on the two guiding arms, and the two guiding arms are symmetric with the structure of the mounting ear buckles. The end of the guiding arm away from the insulating body has an open type and extends toward the insulating body. The slot has a through hole extending through the guide arm, and the mounting slot partially extends toward the insertion space and has a clamping slot and communicates with the insertion space. When assembling, the main body portion of the ear buckle is inserted into the mounting groove, the connecting portion is exposed from the through hole, and is welded to the external circuit board, and the connecting plate of the ear buckle is exposed to the insertion and extraction space of the connector through the clamping groove. And the leaf spring is elastically pointed to the base by the turning portion.

During the insertion process with the FPC/FFC, the two sides of the FPC/FFC pass between the tabs of the ear buckle and the base, and the card on the base is positioned in the notch on both sides thereof to obtain the positioning; At the same time, the leading edge of the FPC/FFC will contact the leaf spring of the ear buckle. Since the leaf spring has elasticity, after the positioning, the contact portion at the free end of the leaf spring will be pressed toward the FPC/FCC direction, and Contact is formed at the ground of the FPC/FFC. After the grounding contact is completed, the interference noise will be removed through the grounding end of the FPC/FFC, the grounding part of the earring, and the grounding line of the connecting part and then drained to the external circuit board.

With the above, the achievable benefits include:

1. Compared to the prior art, the structure of the metal ear buckle is simpler and easier to apply, which can help reduce the manufacturing cost of the connector.

Second, the card abutment is designed with a raised oblique guide surface, which is more favorable for passage when the FPC/FFC is introduced into the connector without being hindered.

3. When the ear buckle is assembled, the guide arm is pierced through the ratchet on the plug end to be more stably fixed in the mounting groove and not easily pulled out.

4. The baffle design on the ear button can block the main body from continuing to advance in the mounting groove, and the positioning point is to determine the position of the contact portion of the free end of the leaf spring, so that the contact portion can be correctly connected with the FPC/FFC. The ground terminal is in contact.

5. In the process of introducing the connector into the FPC/FFC, it passes between the connector plate of the ear buckle and the base. In other words, in addition to the restraint guidance of the left and right directions of the two guide arms, there is a connection plate and a base. The upper and lower positions are guided so that the FPC/FFC can enter and connect to the plurality of conductive terminals on the insulative housing at a more correct position.

6. The connector of the ear button is inserted through the slot in the guide arm to make the leaf spring elastic. When the action is obtained, the support groove, in other words, the clamping groove of the guide arm can help the plate to be not easily deformed.

1‧‧‧Insulating body

2‧‧‧Electrical terminals

3‧‧‧Gland

30‧‧‧ cover

31, 32‧‧‧ shaft

4,5‧‧‧guide arm

40, 50‧‧‧ 容容

41‧‧‧Installation slot

42‧‧‧Perforation

43‧‧‧Clamp slot

6‧‧‧plug space

7‧‧‧Base

70‧‧‧ card arrival

71‧‧‧ oblique guide

8‧‧‧FPC/FFC

80‧‧‧ body

81‧‧‧Electrical end

82‧‧‧ Grounding terminal

83‧‧‧ gap

9‧‧‧ ear buckle

90‧‧‧ Main body

901‧‧‧ Socket

902‧‧‧thorn

91‧‧‧Connecting Department

92‧‧‧ Grounding Department

920‧‧‧ leaf spring

921‧‧‧Contacts

93‧‧‧

930‧‧ ‧Baffle

931‧‧‧ Turning Department

Figure 1 is an exploded view of the connector of the present invention, and correspondingly shows an FPC/FFC ready to be inserted into the connector.

Figure 2 is an enlarged view of the structure of a single ear button of the present invention.

FIG. 3 is a FPC/FFC assembly structure diagram of the connector of the present invention. The figure shows the state in which the FPC/FFC is inserted into the connector and the gland is opened.

Fig. 4 is a FPC/FFC assembly structure diagram of the connector of the present invention. The figure shows the state in which the FPC/FFC is inserted into the connector and the gland is closed.

Figure 5 is a side cross-sectional view of Figure 4, mainly showing the state of use when the ear button is in contact with the ground end of the FPC/FFC.

As shown in FIG. 1 , the connector of the present invention comprises an insulative housing 1 , a plurality of conductive terminals 2 and a gland 3 ; wherein the plurality of conductive terminals 2 are fixed in the insulative housing 1 , and the insulative housing 1 is axially two A guide arm 4, 5 extends from each other in a direction away from the insulative housing 1. The two guide arms 4, 5 and the insulative housing 1 form an object (for example, a Flexible Print Circuit, FPC or Flexible Flat Cable, FFC). ) The insertion and removal space 6.

The inner sides of the two guiding arms 4, 5 each have a horizontally opposite receiving groove 40, 50 for providing the gland 3, and further, a bottom surface of the insulating body 1 and the two guiding arms 4, 5 The base 7 is connected to each other, and has a convex latching portion 70 on the base 7 adjacent to the two guiding arms 4, 5. The latching portion 70 further has a rising inclined guiding surface 71.

The object inserted into the connector, such as FPC/FFC 8, has a sheet-like body 80 having a plurality of conductive ends 81 on one surface (commonly known as a gold finger, indicated by a broken line on the drawing), and the opposite side Each of the two ends has a grounding end 82. In addition, each of the two sides of the body 80 has a notch 83 for positioning. Since this is an existing structure of the FPC/FFC, it will not be described in detail.

The connector described in the present invention is disposed on the circuit board. In order to stabilize the connection relationship with the circuit board, the two ear buckles 9 are connected to the circuit board. The shape and structure of the two ear buckles 9 of the present invention are symmetrical with each other. One of the ear buckles 9 is taken as an example. Please refer to FIG. 2 at the same time, which has at least a main body portion 90, a connecting portion 91 and a grounding portion 92. The main body portion 90 is fixed to the connector. Preferably, the main body portion 90 extends from the insertion end 901. The insertion end 901 has a ratchet piece 902 on the surface. The connecting portion 91 is fixedly connected to the circuit board outside the connector, and the ground portion 92 is in contact with the grounding end 82 of the FPC/FFC 8 inserted into the connector; the grounding portion 92 further includes a leaf spring 920 and a contact portion 921, one end of the leaf spring 920 is connected with a connecting plate 93. The opposite end of the connecting plate 93 has a raised baffle 930, and one side of the connecting plate 93 is connected to the upper edge of the main body portion 90. The contact portion 921 is connected to the free end of the leaf spring 920. Preferably, the main body portion 90, the connecting portion 91, the leaf spring 920, the contact portion 921 and the connecting plate 93 are integrally formed metal members. Further, a leaf turning portion 931 is formed between the leaf spring 920 and the connecting plate 93, and the leaf spring 920 is elastically pointed to the base 7 of the connector through the turning portion 931.

In the preferred embodiment disclosed in the present application, as shown in FIG. 3 to FIG. 5, the two ear buckles The 9 series are respectively mounted on the two guiding arms 4, 5, and the structures of the two guiding arms 4, 5 and the mounting ear buckles 9 are symmetrical with each other, and one of the guiding arms 4 is taken as an example, and the guiding arm 4 is away from the insulating body 1 The end portion has an open mounting groove 41 extending in the direction of the insulating body 1. The bottom of the mounting groove 41 has a through hole 42 extending through the guiding arm 4. Further, the mounting groove 41 partially extends in the direction of the insertion space 6 with a clamping slot. 43 is connected to the insertion space 6.

When the ear clasp 9 is assembled, the main body portion 90 is inserted into the mounting groove 41, and the ratchet arm 902 is pierced through the ratchet piece 902 on the plug end 901 to obtain a stable fixation of the ear clasp 9 without being easily pulled out. The connecting portion 91 of the earloop 9 is exposed from the through hole 42 and is welded to the external circuit board. Preferably, the connecting portion 91 is soldered to the grounding line of the circuit board. In addition, the connecting plate 93 of the ear button 9 is exposed to the insertion and removal space 6 of the connector through the clamping groove 43, and the leaf spring 920 is elastically pointed to the base 7 by the turning portion 931, and the baffle is transmitted through the opposite end of the connecting plate 93. When the 930 touches the guide arm 4, the ear buckle 9 is positioned during assembly. More specifically, the baffle 930 can block the main body portion 90 from continuing to advance in the mounting groove 41, and this positioning point also determines the free end of the leaf spring 920. The position of the contact portion 921.

The gland 3 has a cover body 30 which is covered on the insertion and extraction space 6 along the inner side of the two guide arms 4, 5. The axial direction of one end edge thereof has an outwardly protruding shaft 31. 32, the two rotating shafts 31, 32 are positioned in the slots 40, 50 of the two guiding arms 4, 5, so that the cover 30 rotatably exhibits a state of being opened or closed on the insertion and removal space 6.

After the assembly of the connector is completed, as shown in FIG. 3, the cover 30 is first opened, and the FPC/FFC 8 extended guide arms 4, 5 are introduced into the insertion and removal space 6, in the process, the FPC/FFC 8 Both sides pass between the tab 93 of the ear buckle 9 and the base 7, and pass the ascending inclined guide 7 1 After the barrier-free guiding, the card abutting portion 70 is placed in the notch 83 on both sides of the FPC/FFC 8 to obtain the positioning; at the same time, the leading edge of the FPC/FFC 8 contacts the leaf spring 920 of the ear button 9, Since the leaf spring 920 has elasticity, after the FPC/FFC 8 is positioned, the contact portion 921 at the free end of the leaf spring 920 is pressed toward the FPC/FFC 8 and falls to the ground terminal 82 of the FPC/FFC 8 . To form a contact, please refer to Figure 5 at the same time.

After the FPC/FFC 8 arrives at the positioning, please refer to FIG. 4, the cover 30 is closed and the plurality of conductive terminals 2 are driven to generate a clamping force for the FPC/FFC 8, so that the plurality of conductive terminals 2 can be electrically connected to the FPC/FFC 8. The terminal 81 is in contact with the conduction, so as to transmit the signal of the FPC/FFC 8 to the external circuit board; the technique of driving the conductive terminal 2 to contact the conductive end 81 of the FPC/FFC 8 through the gland 3 has been disclosed by the creator. The content of the patent specification of "Front gland connector" No. 104208773 is not the focus of this creation, so it will not be repeated. Thereby, it can be found that the connector design of the present invention, in addition to being able to connect and transmit the electronic signal with the FPC/FFC 8, through the simple ear button 9 design, the contact portion 921 of the leaf spring 920 and the FPC/FFC When the grounding terminal 82 on the 8 contacts, the interference noise can be filtered out. Compared with the prior art, it has the technical advantages of low production cost and easy operation, and meets the requirements of novelty and progress of the patent, and is proposed according to law. Application. Incidental statement: The technical content provided in the above-mentioned creation is one of the related embodiments, and any equivalent application or similar modification should be covered by the scope of the later patent.

1‧‧‧Insulating body

2‧‧‧Electrical terminals

3‧‧‧Gland

30‧‧‧ cover

31, 32‧‧‧ shaft

4,5‧‧‧guide arm

40, 50‧‧‧ 容容

41‧‧‧Installation slot

42‧‧‧Perforation

43‧‧‧Clamp slot

6‧‧‧plug space

7‧‧‧Base

70‧‧‧ card arrival

71‧‧‧ oblique guide

8‧‧‧FPC/FFC

80‧‧‧ body

81‧‧‧Electrical end

82‧‧‧ Grounding terminal

83‧‧‧ gap

9‧‧‧ ear buckle

90‧‧‧ Main body

901‧‧‧ Socket

902‧‧‧thorn

91‧‧‧Connecting Department

920‧‧‧ leaf spring

921‧‧‧Contacts

93‧‧‧

930‧‧ ‧Baffle

931‧‧‧ Turning Department

Claims (6)

The grounding structure of the gland connector includes an insulating body, a plurality of conductive terminals, a pressing cover and two ear buckles, wherein the plurality of conductive terminals are fixed in the insulating body, and the axial ends of the insulating body are vertically away from the Each of the insulative bodies extends a guiding arm, and the two guiding arms and the insulative housing surround the insertion and extraction space of an object, and the insulative housing and the bottom surface of the two guiding arms are connected by a base on the base adjacent to the second Each of the guide arms has a convex latching portion; and the two ear straps are respectively mounted in the two guide arms, and are a metal component having at least one main body portion, one connecting portion and a ground portion. The main body portion is fixed to the connector, and the connecting portion is fixedly connected to the circuit board outside the connector, and the ground portion is in contact with the ground end of the object inserted into the connector, and The grounding portion further includes a leaf spring and a contact portion, one end of the leaf spring is connected with a connecting plate, one side of the connecting plate is connected to the upper edge of the main body portion, and the contact portion is connected to the free end of the leaf spring, the leaf spring and Between the boards A turning portion, the leaf spring has an elastic portion is transmitted through the turning point to the base of the connector. The grounding structure of the gland connector according to claim 1, wherein the two guiding arms are symmetrical with each other, and the open end of the guiding arm is insulated from the end of the insulating body. a mounting slot extending in the direction of the body, the bottom of the mounting slot has a through hole extending through the guiding arm, and the mounting slot partially extends in the direction of the insertion and insertion space and has a clamping slot and communicates with the insertion space; the main body of the ear buckle is inserted into the mounting slot The connecting portion is exposed from the through hole, and the connecting plate of the ear button is exposed to the insertion and extraction space of the connector through the clamping slot. The grounding structure of the capping connector of claim 1 or 2, wherein the abutting portion has a rising inclined guiding surface. The grounding structure of the gland connector of claim 1 or 2, wherein the opposite end of the tab connecting leaf spring of the ear button has a raised baffle. The grounding structure of the capping connector of claim 1 or 2, wherein the body portion of the earring further extends with a plug end having a spine on the surface. The grounding structure of the gland connector according to claim 1 or 2, wherein the gland has a cover body which covers the insertion and extraction space along the inner side of the two guide arms, and one end edge thereof is axial Each of the two sides has an outwardly projecting rotating shaft, and the inner sides of the two guiding arms each have a horizontally opposite receiving groove. The two rotating shafts are respectively positioned in the two receiving slots, and the cover body is rotatably inserted and removed. Open or close in space.