Improved sliding block flicking needle structure

Abstract

The utility model relates to the technical field of bouncing needles, and discloses an improved sliding block bouncing needle structure which comprises a bouncing needle structure, a needle tube comprises a tube body and an I-shaped rod movably installed in the tube body, a metal ball is installed on one side of the I-shaped rod and in the tube body, a metal rod is installed at the middle end in the tube body, and the metal rod is connected with the I-shaped rod. The I-shaped rod is installed on the outer surface of the metal rod in a sliding mode, the metal wire is installed on the outer surface of the metal rod, current rotates to the metal rod through the needle shaft, and due to the fact that the metal ball makes contact with the inner wall of the tube body, the current on the metal rod is transmitted to the needle tube through the metal wire and finally flows to the input end of the PCB to form a transmission path for transmitting the current. When vibration generated by multiple times of detection promotes the metal ball to be away from the needle tube, the push rod is pressed down by fingers, one end of the I-shaped rod pushes the metal ball to one side of the inner inclined ring, the metal ball makes contact with the inner inclined ring, and current can be transmitted to the inner inclined ring and the tube body through the metal ball.

Description

TECHNICAL FIELD

[0001] The utility model relates to needle technology field, concretely is a slider needle structure of reformed type. BACKGROUND

[0002] The needle (also known as spring needle or elastic contact needle) is a kind of component for connecting electrical equipment, electronic component or circuit board. It is usually made of metal material and has elastic design, and in various electrical connectors, the needle is usually used as a contact element to ensure the transmission of electrical signal and current. Especially in high-speed data transmission and high-frequency circuit, the application of needle is very important.

[0003] Such as the publication number CN202022092567.X a kind of anti-vibration prevents instantaneous breakage multi-point contact large current spring needle, including needle tube, needle shaft, conductive bead, conductive inclined pressure block, insulating bead, spring, tail plug, needle shaft, conductive bead, conductive inclined pressure block, spring are sequentially movably arranged in needle tube, multiple conductive beads are slidably arranged between needle shaft inner end face, conductive inclined pressure block end face, needle tube inner wall, needle shaft inner end face is provided with limit post, limit post extrusion and limit multiple conductive beads respectively with needle tube inner wall contact, needle shaft, conductive bead, needle tube between the first transmission path of transmission current is formed;Conductive inclined pressure block is contacted with needle tube inner wall under the action of spring, needle shaft, conductive bead, conductive inclined pressure block, needle tube between the second transmission path of transmission current is formed. The utility model increases the contact point of needle shaft and needle tube wall by multiple conductive beads, guarantees the stability of current transmission between needle shaft and needle tube through two transmission paths, avoids the problem of current instantaneous breakage in individual case.

[0004] The above patent proposes that the rebound force of the spring makes the conductive inclined pressure block contact with the needle tube wall to form the second transmission path of transmission current after tilting, and the stability of current transmission between the needle shaft and the needle tube can be effectively guaranteed through the two transmission paths. However, in actual use, the needle often faces multiple factors such as contact, plugging and vibration during use, and after long-term use, the spring may appear fatigue phenomenon, resulting in loss of elasticity, insufficient contact pressure and affecting contact performance, which is inconvenient to use. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a slider needle structure of reformed type to solve the problem of fatigue phenomenon of spring, loss of elasticity and insufficient contact pressure of needle after long-term use as proposed in the above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a transformed slider spring needle structure, including spring needle structure, the spring needle structure includes needle tube and installs the installation component at one end of needle tube, one end of installation component installs the limit component, the inside of one end of needle tube and the side far from limit component installs the push rod, the middle end of needle tube, installation component and limit component installs needle shaft;

[0007] The needle tube includes a pipe body and an I-shaped rod movably installed inside the pipe body, a metal ball is installed on one side of the I-shaped rod and inside the pipe body;

[0008] One end of the push rod is installed on one side of the I-shaped rod, a metal rod is installed in the middle of the inside of the pipe body, and the I-shaped rod is slidably installed on the outer surface of the metal rod, and a metal wire is installed on the outer surface of the metal rod.

[0009] Preferably, a rubber tube strip is installed on the outside of the metal wire, and the two ends of the rubber tube strip are in contact with the metal rod and the metal ball respectively, and an inner inclined ring is installed on the inner wall of the pipe body and close to the metal ball.

[0010] Preferably, a sealing gasket is installed on the inner wall of the pipe body and close to one side of the push rod, and a tension spring is installed between the sealing gasket and the I-shaped rod.

[0011] Preferably, the installation component includes a connecting pipe and a sealing circular groove opened in the middle end of the connecting pipe, a threaded groove is opened on the inner side of the sealing circular groove and the surface of the connecting pipe, an installation pipe is penetrated and installed in the middle end of the sealing circular groove and the threaded groove, and an axle hole A is penetrated and opened in one end of the installation pipe.

[0012] Preferably, a long rubber pipe is installed in the inside of the installation pipe, a short rubber pipe is installed in one end of the long rubber pipe, and an axle hole B is penetrated and opened in the middle end of the long rubber pipe and the short rubber pipe.

[0013] Preferably, the limit component includes an outer beam pipe and an opening installed on one side of the outer beam pipe, a sealing ring is installed on one side of the outer beam pipe and outside the opening, an opening is opened on one side of the outer beam pipe and in the middle end of the opening, and a pipe groove is penetrated and opened in the middle end of the outer beam pipe and the outer threaded pipe.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1、The transformed slider spring needle structure disclosed by the utility model, current is converted to the metal rod through the needle shaft, the current on the metal rod is transmitted to the needle tube through the metal wire due to the contact between the metal ball and the inner wall of the pipe body, and finally flows to the PCB input end to form a transmission path of transmission current, when the vibration generated by multiple detections promotes the metal ball to be far away from the needle tube, the push rod is pressed down by the finger, one end of the I-shaped rod pushes the metal ball to one side of the inner inclined ring, the metal ball and the inner inclined ring are contacted, and the current can be transmitted to the inner inclined ring and the pipe body through the metal ball.

[0016] 2. The utility model discloses a transformation type slider needle structure, short rubber pipe is between axle hole A and needle axle, long rubber pipe is between installation pipe and needle axle, and the needle structure is used, and the vibration produced is absorbed by long rubber pipe and short rubber pipe, and the anti -shock effect is played. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole three -dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the installation component three -dimensional structure schematic diagram of the utility model;

[0019] Figure 3 It is the needle pipe and push rod three -dimensional structure schematic diagram of the utility model;

[0020] Figure 4 It is the restriction component three -dimensional structure schematic diagram of the utility model.

[0021] In the drawing: 1, needle structure;11, needle pipe;111, pipe body;112, inner inclined ring;113, I-shaped rod;114, sealing gasket;115, tension spring;116, metal ball;12, installation component;121, link pipe;122, sealing circular groove;123, screw groove;124, installation pipe;125, axle hole A;126, long rubber pipe;127, short rubber pipe;128, axle hole B;13, restriction component;131, outer beam pipe;132, opening;133, outer threaded pipe;134, sealing ring;135, pipe groove;14, push rod;141, metal rod;142, rubber pipe strip;143, metal wire;15, needle axle. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] Embodiment one: please refer to Figures 1-3 A transformation type slider needle structure, comprising needle structure 1, needle structure 1 includes needle pipe 11 and installation component 12 installed at one end of needle pipe 11, one end of installation component 12 is installed with restriction component 13, the inside of one end of needle pipe 11 and the side away from restriction component 13 are installed with push rod 14, and the middle end of needle pipe 11, installation component 12 and restriction component 13 are installed with needle axle 15.

[0024] The needle tube 11 comprises a tube body 111 and an I-shaped rod 113 movably installed inside the tube body 111, and a metal ball 116 is installed on one side of the I-shaped rod 113 and inside the tube body 111.

[0025] One end of the push rod 14 is installed on one side of the I-shaped rod 113, a metal rod 141 is installed in the middle of the inside of the tube body 111, the I-shaped rod 113 is slidingly installed on the outer surface of the metal rod 141, a metal wire 143 is installed on the outer surface of the metal rod 141, the metal ball 116 and the metal rod 141 are connected through the metal wire 143, and the metal rod 141 is limited in the inside of the tube body 111 by a plurality of sets of metal balls 116 and metal wires 143.

[0026] A rubber tube strip 142 is installed on the outer side of the metal wire 143, and the two ends of the rubber tube strip 142 are in contact with the metal rod 141 and the metal ball 116 respectively, an inner inclined ring 112 is installed on the inner wall of the tube body 111 and close to the metal ball 116, the rubber tube strip 142 is provided for insulation, the metal wire 143 is not in direct contact with the rubber tube strip 142, and the rubber tube strip 142 can be deformed when the position of the metal ball 116 is adjusted.

[0027] A sealing gasket 114 is installed on the inner wall of the tube body 111 and close to one side of the push rod 14, and a tension spring 115 is installed between the sealing gasket 114 and the I-shaped rod 113, the tension spring 115 is provided for pulling back the I-shaped rod 113, and the sealing gasket 114 is provided for sealing treatment between the push rod 14 and the tube body 111.

[0028] In this embodiment: the current passes through the needle shaft 15 to the metal rod 141, and due to the contact between the metal ball 116 and the inner wall of the tube body 111, the current on the metal rod 141 is transmitted to the needle tube 11 through the metal wire 143, and finally flows to the PCB input end to form a transmission path of the transmission current, when the vibration generated by multiple detections causes the metal ball 116 to move away from the needle tube 11, the push rod 14 is pressed down by the finger, the I-shaped rod 113 is pushed to one side of the metal ball 116, the I-shaped rod 113 moves along the outer surface of the metal rod 141, one end of the I-shaped rod 113 pushes the metal ball 116 to one side of the inner inclined ring 112, the metal ball 116 is in contact with the inner inclined ring 112, the current can be transmitted to the inner inclined ring 112 and the tube body 111 through the metal ball 116, the transmission path of the current is completed, and when the operator releases the downward pressure on the push rod 14, the tension spring 115 will use its own elastic force to push it back to the original position, facilitating the next adjustment of the metal ball 116.

[0029] Embodiment two: this embodiment is an improvement based on embodiment one, for details, please refer to Figure 2 and Figure 4The mounting member 12 comprises a connecting pipe 121 and a sealing circular groove 122 formed in the end of the connecting pipe 121, a threaded groove 123 is formed in the inner side of the sealing circular groove 122 and on the surface of the connecting pipe 121, a mounting pipe 124 is penetrated in the middle of the sealing circular groove 122 and the threaded groove 123, an axle hole A 125 is formed in one end of the mounting pipe 124, and the axle hole A 125 is used for mounting the needle axle 15.

[0030] A long rubber pipe 126 is mounted in the inside of the mounting pipe 124, a short rubber pipe 127 is mounted in one end of the long rubber pipe 126, an axle hole B 128 is formed in the middle of the long rubber pipe 126 and the short rubber pipe 127, the long rubber pipe 126 and the short rubber pipe 127 with the axle hole B 128 are used for insulating the outside of the needle axle 15, and the axle hole B 128 is matched with the needle axle 15.

[0031] The limiting member 13 comprises an outer beam pipe 131 and an opening 132 mounted on one side of the outer beam pipe 131, a sealing ring 134 is mounted on one side of the outer beam pipe 131 and outside the opening 132, the opening 132 is formed in the middle of one side of the outer beam pipe 131, a pipe groove 135 is formed in the middle of the outer beam pipe 131 and the outer threaded pipe 133, the diameter of the pipe groove 135 is consistent with the diameter of the long rubber pipe 126, and the outer beam pipe 131 is used for limiting the position of the long rubber pipe 126.

[0032] In the embodiment, the needle axle 15 is connected with the sealing pad 114, the short rubber pipe 127 is inserted into the inside of the axle hole A 125 when the needle axle 15 is protected, the short rubber pipe 127 is between the axle hole A 125 and the needle axle 15, the long rubber pipe 126 is between the mounting pipe 124 and the needle axle 15, the outer threaded pipe 133 passes through the inside of the sealing circular groove 122, rotates in the threaded groove 123, the outer beam pipe 131 with the pipe groove 135 and the opening 132 passes through the outside of the detection end of the needle axle 15, the outer threaded pipe 133 is screwed into the inside of the threaded groove 123 with the rotation of the outer threaded pipe 133, the sealing ring 134 moves into the inside of the sealing circular groove 122, seals the space between the limiting member 13 and the mounting member 12, the outer beam pipe 131 limits the position of the long rubber pipe 126 and the short rubber pipe 127, avoids the long rubber pipe 126 and the short rubber pipe 127 from falling, and the vibration of the elastic needle structure 1 in use is absorbed by the long rubber pipe 126 and the short rubber pipe 127, so as to achieve the anti-vibration effect.

[0033] The contents not described in detail in the specification belong to the prior art known by the professional technical personnel.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A modified slider spring-loaded structure, comprising a spring-loaded structure (1), characterized in that: The spring needle structure (1) includes a needle tube (11) and a mounting member (12) installed at one end of the needle tube (11). A limiting member (13) is installed at one end of the mounting member (12). A push rod (14) is installed inside one end of the needle tube (11) and away from the limiting member (13). A needle shaft (15) is installed at the middle end of the needle tube (11), the mounting member (12) and the limiting member (13). The needle (11) includes a tube body (111) and an I-shaped rod (113) movably installed inside the tube body (111). A metal ball (116) is installed on one side of the I-shaped rod (113) and inside the tube body (111). One end of the push rod (14) is installed on one side of the I-shaped rod (113), and a metal rod (141) is installed in the middle of the tube (111). The I-shaped rod (113) is slidably installed on the outer surface of the metal rod (141), and a metal wire (143) is installed on the outer surface of the metal rod (141).

2. The modified slider spring pin structure according to claim 1, characterized in that: A rubber tube (142) is installed on the outside of the metal wire (143), and the two ends of the rubber tube (142) are in contact with the metal rod (141) and the metal ball (116) respectively. An inner oblique ring (112) is installed on the inner wall of the tube (111) near the metal ball (116).

3. The modified slider spring structure according to claim 2, characterized in that: A sealing gasket (114) is installed on the inner wall of the tube (111) and on the side near the push rod (14). A tension spring (115) is installed between the sealing gasket (114) and the I-shaped rod (113).

4. The modified slider spring structure according to claim 1, characterized in that: The mounting component (12) includes a connecting pipe (121) and a sealing groove (122) formed at the middle end of the connecting pipe (121). A threaded groove (123) is formed on the inner side of the sealing groove (122) and on the surface of the connecting pipe (121). An mounting pipe (124) is installed through the middle end of the sealing groove (122) and the threaded groove (123). One end of the mounting pipe (124) is formed through a shaft hole A (125).

5. The modified slider spring pin structure according to claim 4, characterized in that: The mounting tube (124) is equipped with a long rubber tube (126) inside, and a short rubber tube (127) is installed at one end of the long rubber tube (126). A shaft hole B (128) is opened through the middle ends of the long rubber tube (126) and the short rubber tube (127).

6. The modified slider spring structure according to claim 1, characterized in that: The limiting member (13) includes an outer tube (131) and an opening (132) installed on one side of the outer tube (131). A sealing ring (134) is installed on one side of the outer tube (131) and outside the opening (132). The opening (132) is provided at the middle of one side of the outer tube (131). A tube groove (135) is provided through the middle of the outer tube (131) and the external threaded tube (133).

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