TWI473364B - Insulating housing of the electrical connector - Google Patents

Description

Insulating body of electrical connector

The present invention relates to an insulative housing for an electrical connector, and more particularly to an insulative housing for securing a cable with an elastic positioning member.

In the electronic product, the electrical connector and the cable are required to transmit signals. Referring to FIG. 11 , an insulative housing 10 of a conventional electrical connector has a bottom plate 11 , a top plate 12 , and a bottom plate 11 and the top plate 12 . The insertion slot 13 is inserted into the insertion slot 13 of the insulative housing 10, and the insulative housing 10 is connected to the terminal of the other electrical connector 30 (not shown). The insulative housing 10 holds the cable 20 with the bottom plate 11 and the top plate 12, so that when the insulative housing 10 or the cable 20 is pulled by an improper external force, the cable 20 will be separated from the insulative housing 10. In order to prevent the electrical connection from failing, in order to prevent the cable 20 from being detached from the insulative housing 10, the cable 20 is usually adhered to the insulative housing 10 by adhesive, but since the amount of glue and the flow direction of the adhesive are difficult to control, This may cause the adhesive to cover one of the lead ends 21 of the cable 20 to cause an open circuit.

SUMMARY OF THE INVENTION It is an object of the present invention to overcome the problem of the prior art cable being unsecured to the insulative body of the electrical connector resulting in the wire being disconnected from the electrical connector.

The insulative housing of the electrical connector of the present invention is provided with a cable having two positioning holes, the insulative housing comprises a bottom plate, a top plate, a plugging slot and two elastic positioning members, the bottom plate having a first upper portion a top surface, a first lower surface, and a first receiving groove connecting the first upper surface and the first lower surface, the top plate having a second upper surface and a second lower surface The second lower surface of the top plate faces the first upper surface of the bottom plate, the insertion slot is located between the bottom plate and the top plate, and the insertion slot has a plug interface, and the cable is inserted through the plug connector Each of the elastic positioning members is formed in each of the first receiving slots, and the elastic positioning member has an elastic portion and a positioning portion, and the elastic portion is integrally formed with the bottom plate, and the positioning portion is protruded The positioning hole on the wire is sleeved in the positioning portion. When the cable is inserted into the insertion slot via the plug connector, the cable may interfere with the second lower surface of the top plate and the positioning portion of each of the elastic positioning members, and the positioning portion is directed to the first portion. When the positioning holes of the cable pass through the positioning portions of the elastic positioning members, the positioning portions are reset by the elastic force of the elastic portions, and the positioning holes are respectively sleeved on the positioning holes. In the positioning portion of each of the elastic positioning members, the positioning portion of the elastic positioning members limits the cable to prevent the cable from being disconnected from the insulating body of the connector to cause an open circuit.

Referring to FIGS. 1 and 2, an insulative housing 100 of an electrical connector is provided with a row of wires 200. The cable 200 has two positioning holes 210 and a guiding end 220. The insulative housing 100 includes a bottom plate 110. a top plate 120, a plugging slot 130, and two elastic positioning members 140. The plugging slot 130 is located between the bottom plate 110 and the top plate 120, and the plugging slot 130 has a plug-in interface 131 through which the cable 200 passes. The insertion interface 131 is inserted into the insertion slot 130.

Referring to FIGS. 3 and 4 , the bottom plate 110 of the insulative housing 100 has a first upper surface 111 , a first lower surface 112 , and a first space connecting the first upper surface 111 and the first lower surface 112 . Each of the elastic positioning members 140 is formed in each of the first receiving slots of the bottom plate 110. Each of the elastic positioning members 140 has an elastic portion 141 and a positioning portion 142. The elastic portion 141 is integrally formed with the bottom plate 110. Each of the positioning portions 142 protrudes from each of the elastic portions 141, and each of the positioning portions The first accommodating groove 113 has a first inner side wall 113a, and each of the elastic parts 141 has a first outer side wall 141a, the first inner side wall. A first spacing D1 is formed between the first outer sidewall 141a and the first outer sidewall 141a. Each of the positioning portions 142 has a first surface 142a and a guiding surface 142b, and each guiding surface 142b faces the insertion interface 131.

Referring to Figures 1, 2, 3 and 4, the top plate 120 of the insulative housing 100 has a second upper surface 121, a second lower surface 122, two through holes 123, a plurality of second receiving slots 124, and a plurality The second lower surface 122 faces the first upper surface 111, and the second accommodating groove 124 communicates with the second upper surface 121 and the second lower surface 122, each of the elastic pressing members The second accommodating groove 124 is integrally formed with the top plate 120, and each of the second accommodating grooves 124 has a second inner side wall 124a. The 125 has a second outer sidewall 125a, and a second spacing D2 is formed between the second inner sidewall 124a and the second outer sidewall 125a.

Referring to FIG. 4, the first surface 142a of each of the positioning portions 142 is located between the second upper surface 121 of the top plate 120 and the first upper surface 111 of the bottom plate 110, and the first surface 142a and the first surface 142a A third spacing D3 is formed between the second lower surface 122 of the top plate 120. In the embodiment, the through holes 123 of the top plate 120 correspond to the positioning portions 142, and the first surface of each positioning portion 142. The 142a is located in the through hole 123. Preferably, the bottom plate 110 has a first inclined surface 117. The top surface 120 has a second inclined surface 126. The first inclined surface 117 and the second inclined surface 126 are located at the insertion surface. Port 131. Referring to FIG. 5, each of the elastic pressure members 125 has a pressure surface 125b and a guiding slope 125c. A fourth spacing is formed between the pressure surface 125b and the first upper surface 111 of the bottom plate 110. D4, the guiding slope 125c faces the insertion interface 131, and the guiding slope 125c connects the second lower surface 122 of the top plate 120 and the pressure surface 125b.

Please refer to FIG. 6, 7, 8 and 9 for a schematic view of the cable 200 being inserted into the insulative housing 100. The cable 200 has a thickness H. First, please refer to FIG. The first inclined surface 117 of the bottom plate 110 and the second inclined surface 126 of the top plate 120 are guided and inserted into the insertion slot 130 via the insertion interface 131. Next, please refer to FIG. 7 due to the elasticity. Each of the positioning portions 142 of the positioning member 140 is located in the insertion slot 130, and the third spacing D3 is smaller than the thickness H of the cable 200. Therefore, when the cable 200 is to pass through the positioning portions 142, the row The wire 200 is in contact with the second lower surface 122 of the top plate 120 and the positioning portion 142 of each of the elastic positioning members 140. In the embodiment, the wire 200 touches the guiding surface 142b of the positioning portion 142. The positioning portion 142 is placed in the first accommodating groove 113, and the guiding end 220 of the wire 200 is in contact with the elastic pressing member 125, since the fourth spacing D4 is smaller than the cable 200. a thickness H, such that when the cable 200 is to pass through each of the elastic pressing members 125, the cable 200 will interfere with the first upper surface 111 of the bottom plate 110 and each of the wires Each of the guiding slopes 125c of the pressure generating member 125 and the elastic pressing member 125 are disengaged to the second receiving groove 124. After that, refer to FIG. 8 , when the positioning holes of the cable 200 are located. When the positioning portion 142 of each of the elastic positioning members 140 passes through the positioning portion 142 of the elastic positioning member 140, the positioning portion 142 is reset by the elastic force of the elastic portion 141, and the positioning holes 210 of the wire 200 are respectively sleeved in the elastic portions. Each of the positioning portions 142 of the positioning member 140 is due to the cable 200 Each of the positioning holes 210 is limited to the positioning portion 142. Therefore, the cable 200 can be fixed in the insertion slot 130 of the insulative housing 100 to prevent the cable 200 from being separated from the insulative housing 100. In the ninth embodiment, when the cable 200 is fixed to the insertion slot 130 of the insulative housing 100, each of the pressing surfaces 125b of each of the elastic pressing members 125 touches the cable 200 to avoid the cable. The warp 200 occurs in the insertion slot 130. .

Referring to FIGS. 2 and 5, the insertion slot 130 further has an opening 132. The bottom plate 110 further has a plug portion 114, two limiting portions 115 and a protection portion 116. The plug portion 114 protrudes from the bottom portion. The opening 132 is located at the two sides of the insertion portion 114. The protection portion 116 is located between the limiting portions 115. In this embodiment, each of the limiting portions 115 is recessed with a limit. The groove 115a has a second surface 116a. The second surface 116a is located above the first upper surface 111 of the bottom plate 110. A fifth surface is formed between the second surface 116a and the first upper surface 111. Spacing D5.

Referring to FIG. 9 , when the cable 200 is fixed to the insertion slot 130 of the insulative housing 100 , the guiding end 220 of the cable 200 protrudes from the opening 132 , and the plug portion 114 carries For the guiding end 220 of the cable 200, please refer to FIGS. 2 and 9. The two sides of the cable 200 are respectively limited to the limiting slots 115a of each of the limiting portions 115 to avoid protruding from the opening. The guiding end 220 of the 132 is warped. In addition, since the fifth spacing D5 between the second surface 116a and the first upper surface 111 is not less than the thickness H of the wiring 200, the insulating body is When the plug portion 114 is plugged into another electrical connector (not shown), the protection portion 116 can protect the leading edge of the guiding end 220 of the cable 200.

Referring to FIGS. 1 and 10, when the cable 200 is to be detached from the insulative housing 100, a tool member 300 can be used to pass through the through hole 123 of the top plate 120. Each of the positioning portions 142 is disengaged from each of the positioning portions 142, so that the positioning holes 210 of the cable 200 are separated from the positioning portions 142 to facilitate the separation of the cable 200. The insertion slot 130 of the insulative housing 100.

When the cable 200 passes through the elastic positioning members 140, each of the elastic portions 141 of the elastic positioning members 140 provides a return elastic force to reset the positioning portions 142, and the positioning holes 210 are respectively separated. The positioning portion 142 of each of the elastic positioning members 140 is sleeved by the positioning portion 142 to prevent the cable 200 from being disconnected from the insulating body 100 to cause an open circuit.

The scope of the present invention is defined by the scope of the appended claims, and any changes and modifications made by those skilled in the art without departing from the spirit and scope of the invention are within the scope of the present invention. .

10‧‧‧Insulated body

11‧‧‧floor

12‧‧‧ top board

13‧‧‧ Socket slot

20‧‧‧ cable

21‧‧‧Guide end

30‧‧‧Electrical connector

100‧‧‧Insulated body

110‧‧‧floor

111‧‧‧First upper surface

112‧‧‧First lower surface

113‧‧‧First accommodating slot

113a‧‧‧First inner side wall

114‧‧‧Interface

115‧‧‧Limited

115a‧‧‧ Limit slot

116‧‧‧Protection Department

116a‧‧‧second surface

117‧‧‧ first slope

120‧‧‧ top board

121‧‧‧Second upper surface

122‧‧‧Second lower surface

123‧‧‧through hole

124‧‧‧Second accommodating slot

124a‧‧‧Second inner side wall

125‧‧‧Elastic pressure

125a‧‧‧Second outer side wall

125b‧‧‧ pressure face

125c‧‧‧ guiding bevel

126‧‧‧second slope

130‧‧‧ Socket slot

131‧‧‧Interface

132‧‧‧ openings

140‧‧‧elastic positioning parts

141‧‧‧Flexible Department

141a‧‧‧First outer side wall

142‧‧‧ Positioning Department

142a‧‧‧ first surface

142b‧‧‧ guiding slope

200‧‧‧ cable

210‧‧‧Positioning holes

220‧‧‧Guide end

300‧‧‧Tools

D1‧‧‧first spacing

D2‧‧‧second spacing

D3‧‧‧ third spacing

D4‧‧‧fourth spacing

D5‧‧‧ fifth spacing

H‧‧‧ Thickness of the cable

1 is a perspective exploded view of an insulative body and a row of electrical connectors of a preferred embodiment of the present invention.

Fig. 2 is a perspective sectional view showing the insulating body and the cable according to the present invention.

Figure 3 is a perspective cross-sectional view of the insulative housing in accordance with the present invention.

Figure 4 is a side cross-sectional view of the insulative housing in accordance with the present invention.

Figure 5 is a side cross-sectional view of the insulative housing in accordance with the present invention.

Figure 6 is a schematic view of the cable inserted in the insulative housing according to the present invention.

Figure 7 is a schematic view of the cable inserted in the insulative housing according to the present invention.

Figure 8 is a schematic view of the cable inserted in the insulative housing according to the present invention.

Figure 9 is a schematic view of the cable inserted in the insulative housing according to the present invention.

Figure 10 is a schematic view of the cable being detached from the insulative body in accordance with the present invention.

Figure 11: A three-dimensional combination of the insulative body of a conventional electrical connector and a row of wires.

100‧‧‧Insulated body

110‧‧‧floor

111‧‧‧First upper surface

112‧‧‧First lower surface

113‧‧‧First accommodating slot

113a‧‧‧First inner side wall

120‧‧‧ top board

121‧‧‧Second upper surface

122‧‧‧Second lower surface

123‧‧‧through hole

125‧‧‧Elastic pressure

130‧‧‧ Socket slot

131‧‧‧Interface

140‧‧‧elastic positioning parts

141‧‧‧Flexible Department

141a‧‧‧First outer side wall

142‧‧‧ Positioning Department

142a‧‧‧ first surface

142b‧‧‧ guiding slope

D1‧‧‧first spacing

Claims (10)

An insulative housing of an electrical connector for inserting a cable having two positioning holes, the insulative housing of the electrical connector comprising: a bottom plate having a first upper surface, a first lower surface and two communicating a first receiving surface of the first upper surface and the first lower surface; a top plate having a second upper surface and a second lower surface, the second lower surface facing the first upper surface; a slot is disposed between the bottom plate and the top plate, and the plug slot has a plug-in interface, the cable is inserted into the plug slot through the plug connector; and two elastic positioning members are respectively formed on the bottom plate Each of the elastic locating members has an elastic portion and a positioning portion, and each of the elastic portions is integrally formed with the bottom plate, and each of the positioning portions is protruded from each of the elastic portions and located in the insertion groove. Each of the positioning holes of the cable is sleeved on each of the positioning portions. The insulative housing of the electrical connector of claim 1, wherein each of the first receiving slots has a first inner sidewall, each of the resilient portions having a first outer sidewall, the first inner sidewall and the first inner sidewall A first spacing is formed between the first outer sidewalls. The insulative housing of the electrical connector of claim 2, wherein the top plate has a plurality of second receiving slots and a plurality of elastic pressing members, each of the second receiving slots communicating with the second upper surface and The second lower surface, each of the elastic pressing members is disposed on the second receiving groove and integrally formed with the top plate, and each of the second receiving grooves has a second inner side wall, and each elastic pressing member has A second outer sidewall is formed with a second spacing between the second inner sidewall and the second outer sidewall. The insulative body of the electrical connector of claim 2, wherein Each of the positioning portions has a first surface, the first surface is located between the second upper surface and the first upper surface, and a third spacing is formed between the first surface and the second lower surface, the third The pitch is less than the thickness of the cable. The insulative housing of the electrical connector of claim 4, wherein each of the positioning portions has a guiding slope facing the insertion interface. The insulative housing of the electrical connector of claim 4, wherein the top plate has two through holes, each of the through holes corresponding to each of the positioning portions, and the first surface of each of the positioning portions is located in each of the through holes. The insulative housing of the electrical connector of claim 3, wherein each of the elastic pressing members has a pressure surface, and a fourth spacing is formed between the pressure surface and the first upper surface of the bottom plate. The fourth pitch is smaller than the thickness of the cable. The insulative housing of the electrical connector of claim 7, wherein each of the elastic pressing members further has a guiding inclined surface facing the insertion interface, each guiding inclined surface connecting the second lower surface of the top plate And each of these pressures. The insulative housing of the electrical connector of claim 2, wherein the insertion slot further has an opening, the bottom plate further has a plug portion protruding from the opening, the plug portion Carrying one of the leading ends of the cable. The insulative housing of the electrical connector of claim 9, wherein the bottom plate further has two limiting portions, each of the limiting portions is located on two sides of the insertion portion, and each of the limiting portions is recessed. The two slots of the slot are respectively located in each of the limiting slots of each of the limiting portions.