CN201570650U - Probe type connector - Google Patents

Abstract

The utility model discloses a probe type connector, which comprises a base, a sleeve, a probe and a spring, wherein the base is provided with a screw hole; the sleeve is of a hollow structure, the hollow structure forms an accommodating cavity, the upper end of the sleeve is provided with a through hole communicated with the accommodating cavity, the lower end of the sleeve is provided with a supporting part, the supporting part is provided with a clamping cavity communicated with the accommodating cavity, and the outer wall of the sleeve is provided with an external thread meshed with the screw hole; the lower end of the probe is slidably accommodated in the accommodating cavity and can be clamped at the through hole, the lower end of the probe is provided with a first groove, and the upper end of the probe penetrates out of the sleeve through the through hole; the upper end of the spring is abutted against the first groove, and the lower end of the spring is accommodated in the clamping cavity. The utility model discloses probe-type connector has simplified current telescopic structure, is favorable to batch production, and can prevent that probe-type connector warp to the life of extension probe-type connector.

Description

Probe connector

technical field

The utility model relates to a connector, in particular to a probe type connector.

Background technique

At present, with the continuous development and progress of science and technology, various electronic products have come out one after another, such as digital video cameras, digital cameras, mobile phones and other portable devices have been accepted and widely used by modern people. Most of these portable electronic products The power source is battery. In the process of electronic product production and development, when the design of today's electronic products is developing towards the goal of high performance, high precision, and high quality, the battery of its auxiliary products is particularly important.

The traditional probe connector for telecommunication transmission such as rechargeable batteries has a structure including an insulating shell, a metal probe and a compression spring contained in the insulating shell. Due to the electrical connection between one end of the compression spring and the circuit board, when the metal probe touches When the other end of the compression spring is pressed, the probe connector can achieve the purpose of telecommunication transmission. Since the compression spring has a long path for telecommunication transmission, and when it is compressed and deformed, it directly affects the level difference of the resistance. Therefore, the current fluctuates up and down, which affects the quality of telecommunication transmission.

Please refer to Fig. 1, the existing improved probe type connector 3 includes: a metal casing 31, a compression spring 32 and a probe 33, the top of the metal casing 31 is provided with a through hole, and the bottom of the metal casing 31 is used for contacting with the metal casing 31. The external circuit board is electrically connected, and the compression spring 32 is accommodated inside the metal casing 31; one end of the probe 33 is in contact with the compression spring 32, and the other end of the probe 33 passes through the through hole at the top of the metal casing 31 and is exposed outside the metal casing 31 , the probe 33 is used to electrically connect external electronic products. The probe 33 is electrically connected to the metal casing 31, so that the telecommunication transmission path directly follows the "electronic product-probe 33-metal casing 31-external circuit board" route, thereby improving the transmission of the above-mentioned electrical signals through the compression spring 32, avoiding The problem of long and unstable transmission lines of electrical signals.

While improving the electrical connection performance of the probe connector, the current probe connector has also made improvements to its overall structure. In order to increase the service life of the probe connector and improve the related problems caused by the deformation of the compressed spring in the metal casing, the current probe connector increases the height of the spring support part in the metal casing.

However, because the overall structure of the probe connector sleeve is exquisite and small, and there are many internal steps, it is difficult to guarantee the quality of the probe connector in the mass production of the probe connector, and the probe connector After a period of use, the problem of sleeve deformation is prone to occur.

Utility model content

The purpose of this utility model is to provide a probe type connector for the deficiencies of the prior art above. The structure of the probe type connector is simple, which can ensure the quality of the probe type connector in mass production and extend The service life of the probe connector.

In order to achieve the above purpose, the probe connector provided by the utility model includes a base, a sleeve, a probe and a spring, and the base is provided with screw holes; the sleeve is a hollow structure, and the hollow structure forms a container. The upper end of the sleeve is provided with a through hole communicating with the accommodating cavity, the lower end of the sleeve has a support portion, and the support portion has a card that communicates with the accommodating cavity. The outer wall of the sleeve is provided with an external thread engaged with the screw hole; the lower end of the probe is slidably accommodated in the accommodating cavity and can be stuck in the through hole, and the The lower end of the probe is provided with a first groove, and the upper end of the probe passes through the sleeve through the through hole; the upper end of the spring is in contact with the first groove, and the lower end of the spring is accommodated in the holding cavity.

As mentioned above, the probe connector of the present invention not only simplifies the complex structure of the sleeve in the prior art because the sleeve is threadedly fitted on the base, which is beneficial to mass production, but also ensures the probe connection. The quality of the connector in production; and it can prevent the deformation of the sleeve of the probe connector, thereby prolonging the service life of the probe connector.

Description of drawings

FIG. 1 is a schematic cross-sectional structure diagram of an existing probe connector.

Fig. 2 is a perspective view of the first embodiment of the probe connector of the present invention.

FIG. 3 is a cross-sectional view of the probe connector shown in FIG. 2 along line A-A in FIG. 2 .

FIG. 4 is an exploded perspective view of the probe connector shown in FIG. 2 .

Fig. 5 is a perspective view of the second embodiment of the probe connector of the present invention.

FIG. 6 is a cross-sectional view of the probe connector shown in FIG. 5 along line B-B in FIG. 5 .

FIG. 7 is an exploded perspective view of the probe connector shown in FIG. 5 .

The reference signs in the figure are explained as follows:

Probe Connector 1 Probe 11

The first groove 111 stopper 112

Sleeve 12 Accommodating cavity 121

Supporting part 122 Channel 1221

Through hole 123 Blocking portion 124

External thread 125 Transition 126

Base 13 Base body 131

Mounting seat 132 Spring 14

Probe Connector 2 Probe 21

Sleeve 22 Accommodating cavity 221

Support part 222 Second groove 2221

Blocking part 224 Bottom 2221a

Base 23 Spring 24

Probe Connector 3 Metal Sheath 31

Compression spring 32 Probe 33

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

Please refer to FIG. 2-4 . FIG. 2-4 shows the first embodiment of the probe connector of the present invention. The probe connector 1 includes a probe 11 , a sleeve 12 , a base 13 and a spring 14 .

Referring to FIGS. 2-4 , in the probe connector 1 of the present invention, the base 13 includes a base body 131 and a mounting base 132 , and the mounting base 132 protrudes from the base body 131 . The base 13 is made of conductive material, the base body 131 is used to electrically connect the circuit board, and the mounting seat 132 has screw holes (not shown in the figure) for installing the sleeve 12 .

Referring to FIGS. 2-4 , the sleeve 12 is a hollow structure, and the hollow structure forms an accommodating cavity 121 , and the spring 14 is accommodated in the accommodating cavity 121 . Specifically, the lower end of the sleeve 12 has a support portion 122 , and the support portion 122 has a locking cavity communicating with the accommodating cavity 121 . In this embodiment, the locking cavity passes through the supporting portion 122 to form a channel 1221 . The outer surface of the support portion 122 is provided with an external thread 125 , and the external thread 125 engages with the screw hole of the mounting base 132 of the base 13 , and the sleeve 12 is mounted on the base 13 through thread engagement. The lower end of the spring 14 is accommodated in the passage 1221 of the supporting portion 122 , and the lower end of the spring 14 passes through the passage 1221 and interferes with the base body 131 . The cross-sectional area of the spring 14 is slightly smaller than the cross-sectional area of the channel 1221 of the supporting portion 122 , and the supporting portion 122 implements the function of longitudinally supporting the spring 14 . The transition 126 between the channel 1221 and the accommodating cavity 121 is tapered, and the tapered transition 126 is formed by extending obliquely downward toward the channel 1221. The transition 126 cooperates with the probe 11 to realize control The amount of pressing down of the probe connector 1 prolongs the service life of the spring 14, thereby prolonging the service life of the probe connector 1 of the present invention. In this embodiment, the upper end of the sleeve 12 is bent and extended toward the accommodating cavity 121 to form a blocking portion 124 , and the blocking portion 124 is provided with an opening, and the opening forms a through hole 123 communicating with the accommodating cavity 121 .

Please refer to FIGS. 2-4 , the probe 11 of the probe connector 1 of the present invention is made of metal conductive material. The lower end of the probe 11 is slidably accommodated in the accommodating space 121 of the sleeve 12 , and the lower end of the probe 11 defines a first groove 111 . In detail, the lower end of the probe 11 is accommodated in the accommodating space 121, and the outer wall of the lower end of the probe 11 is provided with a stopper 112, the stopper is slidably accommodated in the accommodating space 121, when the stopper 112 slides to the through hole 123 of the sleeve 12 , the stopper 112 snaps and fits with the blocking portion 124 of the sleeve 12 , and clamps the lower end of the probe 11 at the through hole 123 . The snap fit between the blocking part 124 and the stopper 112 realizes the position-limiting effect on the probe 11, thereby preventing the probe 11 from detaching from the sleeve 12 during the working process, and increasing the working stability of the probe connector of the present invention. The upper end of the spring 14 is accommodated in the first groove 111 of the probe 11, and one end of the upper end of the spring 14 accommodated in the groove 111 is in contact with the first groove 111 of the probe 11, the spring 14 The lower end of the lower end is accommodated in the channel 1221 , and passes through the channel 1221 to abut against the base body 131 . The upper end of the probe 11 goes out of the sleeve 12 through the through hole 123 of the sleeve 12 to contact external electronic products, so as to realize the electrical connection between the probe connector 1 of the present invention and external electronic components.

Please refer to Figures 3-4, the assembly process of the probe connector 1 of the present invention can be as follows: First, place the spring 14 in the sleeve 12 so that the lower end of the probe 11 is accommodated in the sleeve 12. Then, the upper end of the sleeve 12 is bent toward the accommodating cavity 221 to form a blocking portion 124 ; finally, the sleeve 12 is fixed on the base 13 by screwing.

Please refer to Fig. 5-7, Fig. 5-7 shows the second embodiment of the utility model probe connector. The probe connector 2 has substantially the same structure as the probe connector 1 in the first embodiment, which includes a probe 21, a sleeve 22, a base 23 and a spring 24; the probe connector 2 is connected to the probe connector The difference from the device 1 is that: the supporting portion 222 of the sleeve 22 is provided with a second groove 2221 , and the second groove 2221 forms a locking cavity, and the lower end of the spring 24 is in contact with the second groove 2221 . Moreover, the bottom 2221a of the second groove 2221 is tapered, and the tapered bottom 2221a of the second groove 2221 is conducive to fixing the spring 24 .

Please refer to FIGS. 6-7 , the assembly process of the probe connector 2 of the present invention is as follows: In this embodiment, the bottom 2221a of the second groove 2221 of the sleeve 22 is sealed. First, put the lower end of the spring 24 against the second groove 2221 of the sleeve 22, and the upper end of the spring 24 passes through the sleeve 22 and touches the first groove 111 of the probe 21. At this time, the lower end of the probe 21 is accommodated. in the accommodating cavity 221 of the sleeve 22; then, the upper end of the sleeve 22 is bent toward the accommodating cavity 221 to form a blocking portion 224, and the lower end of the probe 21 is clamped on the blocking portion 224; finally, through the screw thread The sleeve 22 is fixed on the base 23 in a matching manner.

It should be noted that the probes of the probe connector of the present invention can be circular, square or other shapes, and correspondingly, the sleeve and the base can also be circular, square or other shapes.

Claims (6)

1. A probe type connector, characterized in that, comprising: a base, and the base is provided with screw holes; A sleeve, the sleeve is a hollow structure, the hollow structure forms a housing cavity, the upper end of the sleeve is provided with a through hole communicating with the housing cavity, and the lower end of the sleeve has a support part, the support part has a clamping cavity communicating with the accommodating cavity, and the outer wall of the sleeve is provided with an external thread engaged with the screw hole; Probe, the lower end of the probe is slidably accommodated in the accommodating cavity and can be stuck in the through hole, and the lower end of the probe is provided with a first groove, and the upper end of the probe passes through the through holes protruding from the sleeve; and A spring, the upper end of the spring resists in the first groove, and the lower end of the spring is accommodated in the holding cavity. 2. The probe connector according to claim 1, wherein a second groove is formed on the supporting part, the second groove forms a clamping cavity, and the lower end of the spring is in contact with the in the second groove. 3. The probe connector according to claim 2, wherein the bottom of the second groove is tapered. 4 . The probe connector according to claim 1 , wherein a channel is formed in the clamping cavity through the supporting part, and the lower end of the spring passes through the channel and interferes with the base. 4 . 5. The probe connector according to claim 1, wherein the upper end of the sleeve is bent and extended toward the accommodating cavity to form a blocking portion, the blocking portion has an opening, and the opening forms the through hole. 6 . The probe connector according to claim 1 , wherein a transition between the holding cavity and the accommodating cavity is tapered.

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