Spring type probe

Abstract

The utility model provides a spring type probe. According to the spring type probe, an external thread ring is in threaded connection to the position, located at one end, of the inner surface of a needle tube, one end of the external thread ring is fixedly connected with a sealing cover, a mounting opening is formed in the middle of one end of the sealing cover, and an adjusting bolt is rotationally connected to the interior of the mounting opening; one end of the adjusting bolt is fixedly connected with a threaded rod, and the other end of the threaded rod is rotationally connected with a fixing frame. According to the spring type probe provided by the utility model, if the elastic force of the spring is changed, the threaded rod can be driven to rotate only by rotating the adjusting bolt with the help of a tool, so that the position of the internal thread frame can be adjusted according to the rotating direction of the threaded rod, and the position of the movable disc in the needle tube can be driven; through the structure, the supporting force of the spring can be adjusted in time according to requirements, and the stability of the spring type probe in long-time use can be enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a spring-type probe. Background Art

[0002] Spring-loaded probes are mainly used to connect metal contacts of electronic components or batteries. After being installed and connected to the motherboard, they are used in electronic products such as mobile phones and smart watches. Because of their stable performance during use, they are widely used in electronics, military industry, medical treatment, aerospace and other fields.

[0003] The spring-loaded probe is made of steel and is usually in the shape of an elongated cylinder. Its most basic working principle is to use the elasticity of the spring to generate force and transmit this force to other components. The work of the spring-loaded probe requires the action of external force.

[0004] The needle on the traditional spring-loaded probe is supported by a spring, but the supporting force of the spring is difficult to control in terms of tightness. If the elastic force of the spring changes after a long period of use, the spring cannot adjust the supporting force, which will affect the use of the spring-loaded probe.

[0005] Therefore, it is necessary to provide a spring-type probe to solve the above technical problems. Utility Model Content

[0006] The utility model provides a spring-type probe, which solves the problem that the spring inside the traditional spring-type probe cannot adjust the supporting force and the spring elastic force changes after being used for a period of time, which affects the use effect of the spring-type probe.

[0007] In order to solve the above technical problems, the utility model provides a spring-type probe comprising: a needle tube;

[0008] An external threaded ring, the external threaded ring is threadedly connected to a position at one end of the inner surface of the needle tube, one end of the external threaded ring is fixedly connected to a sealing cover, a mounting opening is opened in the middle position of one end of the sealing cover, an adjusting bolt is rotatably connected inside the mounting opening, one end of the adjusting bolt is fixedly connected to a threaded rod, the other end of the threaded rod is rotatably connected to a fixing frame, the outer surface of the threaded rod is threadedly connected to an internal threaded frame, one side of the internal threaded frame is fixedly connected to two connecting rods, the other ends of the two connecting rods are fixedly connected to a movable disk, the outer surface of the movable disk is fixedly connected to two sliding blocks, the other end of the movable disk is fixedly connected to a fixing plate, the other end of the fixing plate is fixedly connected to a spring, the other end of the spring is installed with a limiting disk through the fixing plate, and the other end of the limiting disk is fixedly connected to the needle shaft;

[0009] Two limit rails, the two limit rails are fixedly connected to opposite sides of the inner surface of the needle tube;

[0010] The adjusting bolt passes through the installation port outlet and is located at the other end of the sealing cover. The adjusting bolt rotates inside the installation port. The position of the connecting rod and the internal thread frame is referenced Figure 3 and Figure 4 , the slider slides inside the limit rail.

[0011] Preferably, the inner surface of the needle tube is provided with an internal thread at one end, and the outer surface of the sealing cover is provided with anti-slip grooves;

[0012] The internal thread is used to thread the external thread ring and one end of the needle tube.

[0013] Preferably, the other end of the needle tube is provided with a hole through which the needle shaft can pass, and the limit plate is movable inside the needle tube and is made of insulating material;

[0014] The needle shaft can adjust the extension length as the limiting disk moves inside the needle tube.

[0015] Preferably, both ends of the fixing frame are connected to the opposite side of the inner surface of the needle tube, and the movable disk is located on the other side of the fixing frame;

[0016] The position of the movable plate can be adjusted by adjusting the position through the internal thread bracket.

[0017] Preferably, a limit ring is provided on the outer surface of the needle tube, and a hole threadedly connected to a fixing bolt is provided on the opposite side of the outer surface of the needle tube;

[0018] The limiting ring can clamp the needle tube after it is installed in the corresponding position.

[0019] Preferably, the opposite side of the outer surface of the limiting ring is threadedly connected with a fixing bolt, and the outer surface of the limiting ring is provided with a plurality of bayonet holes;

[0020] The fixing bolt is used to facilitate the installation of the limiting ring on the outer surface of the needle tube.

[0021] Compared with the related art, the spring-type probe provided by the utility model has the following beneficial effects:

[0022] The utility model provides a spring-type probe. In order to adjust the supporting force of the internal spring of the spring-type probe, a sealing cover is first installed at the bottom end of the needle tube through an external threaded ring, and a threaded rod is installed at one end of the sealing cover through an adjusting bolt, and the other end of the threaded rod is rotatably connected to the needle tube through a fixing frame, and an internal threaded frame is threadedly connected to the outer surface of the threaded rod, and then only one side of the internal threaded frame needs to be connected to the movable disk through two connecting rods, and the spring is connected to the movable disk through a fixing plate, and then only the needle shaft needs to be connected to the other end of the spring through an insulating limiting disk, and the needle shaft passes through the other end of the needle tube during actual use. If the elastic force of the spring changes, it only needs to be rotated with the adjusting bolt with the help of a tool to drive the threaded rod to rotate, so that the position of the internal threaded frame can be adjusted according to the rotation direction of the threaded rod, thereby driving the position of the movable disk inside the needle tube, and the supporting force of the spring can be adjusted according to demand. Through this structure, the supporting force of the spring can be timely adjusted according to demand, which is conducive to enhancing the stability of the spring-type probe during long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic structural diagram of a preferred embodiment of the spring-type probe provided by the utility model;

[0024] Figure 2 Provided for the utility model Figure 1 An enlarged view of point A is shown;

[0025] Figure 3 A structural schematic diagram of a spring is provided for the utility model;

[0026] Figure 4 Provided for the utility model Figure 3 An enlarged view of point B is shown;

[0027] Figure 5 The utility model provides a structural schematic diagram of a limit rail.

[0028] Numbers in the figure: 1. needle tube, 2. fixing bolt, 3. limiting ring, 4. sealing cover, 5. anti-slip pattern, 6. needle shaft, 7. adjusting bolt, 8. mounting port, 9. limiting disk, 10. fixing plate, 11. internal thread frame, 12. threaded rod, 13. external thread ring, 14. connecting rod, 15. movable disk, 16. spring, 17. fixing frame, 18. slider, 19. limiting rail, 20. internal thread, 21. bayonet. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0030] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of the spring-type probe provided by the utility model; Figure 2 Provided for the utility model Figure 1 An enlarged view of point A is shown; Figure 3 A schematic diagram of the structure of a spring is provided for the utility model; Figure 4 Provided for the utility model Figure 3 An enlarged view of point B is shown; Figure 5 The utility model provides a structural schematic diagram of the limit rail. The spring-type probe comprises: a needle tube 1;

[0031] An external threaded ring 13, the external threaded ring 13 is threadedly connected to the inner surface of the needle tube 1 at a position at one end, one end of the external threaded ring 13 is fixedly connected to a sealing cover 4, a mounting port 8 is opened in the middle position of one end of the sealing cover 4, an adjusting bolt 7 is rotatably connected inside the mounting port 8, one end of the adjusting bolt 7 is fixedly connected to a threaded rod 12, the other end of the threaded rod 12 is rotatably connected to a fixing frame 17, the outer surface of the threaded rod 12 is threadedly connected to an internal threaded frame 11, one side of the internal threaded frame 11 is fixedly connected to two connecting rods 14, the other ends of the two connecting rods 14 are fixedly connected to a movable disk 15, the outer surface of the movable disk 15 is fixedly connected to two sliding blocks 18, the other end of the movable disk 15 is fixedly connected to a fixing plate 10, the other end of the fixing plate 10 is fixedly connected to a spring 16, the other end of the spring 16 is installed with a limiting disk 9 through the fixing plate 10, and the other end of the limiting disk 9 is fixedly connected to the needle shaft 6;

[0032] Two limiting rails 19, the two limiting rails 19 are fixedly connected to opposite sides of the inner surface of the needle tube 1;

[0033] The adjusting bolt 7 passes through the installation opening 8 and the outlet is located at the other end of the sealing cover 4. The adjusting bolt 7 rotates inside the installation opening 8. The position of the connecting rod 14 and the internal thread frame 11 is referenced Figure 3 and Figure 4 The slider 18 slides inside the limiting rail 19 and does not rotate when the movable disk 15 adjusts its position.

[0034] The inner surface of the needle tube 1 is provided with an internal thread 20 at one end, and the outer surface of the sealing cover 4 is provided with an anti-slip pattern 5;

[0035] The internal thread 20 is used to threadably connect the external thread ring 13 and one end of the needle tube 1, and the anti-slip pattern 5 is used to facilitate the removal of the sealing cover 4.

[0036] The other end of the needle tube 1 is provided with a hole through which the needle shaft 6 can pass, and the limit plate 9 is movable inside the needle tube 1 and is made of insulating material;

[0037] The needle shaft 6 can adjust its extension length as the limiting disk 9 moves inside the needle tube 1 , and the limiting disk 9 can prevent the current from entering the spring 16 .

[0038] The two ends of the fixing frame 17 are connected to the opposite side of the inner surface of the needle tube 1, and the movable disk 15 is located on the other side of the fixing frame 17;

[0039] By adjusting the position of the internal thread frame 11 , the position of the movable disk 15 can be adjusted, and the spring 16 can be compressed.

[0040] A limit ring 3 is provided on the outer surface of the needle tube 1, and a hole threadedly connected to the fixing bolt 2 is provided on the opposite side of the outer surface of the needle tube 1;

[0041] The limiting ring 3 can clamp the needle tube 1 after it is installed in the corresponding position to prevent the needle tube 1 from rotating.

[0042] The opposite side of the outer surface of the limiting ring 3 is threadedly connected with a fixing bolt 2, and the outer surface of the limiting ring 3 is provided with a plurality of bayonet holes 21;

[0043] The fixing bolt 2 is used to facilitate the installation of the limiting ring 3 on the outer surface of the needle tube 1, and the limiting ring 3 can be removed when not needed.

[0044] The working principle of the spring-type probe provided by the utility model is as follows:

[0045] First, a sealing cover 4 is installed at the bottom end of the needle tube 1 through an external threaded ring 13, and a threaded rod 12 is installed at one end of the sealing cover 4 through an adjusting bolt 7, and the other end of the threaded rod 12 is rotatably connected to the needle tube 1 through a fixing frame 17, and an internal threaded frame 11 is threadedly connected to the outer surface of the threaded rod 12, and then only one side of the internal threaded frame 11 needs to be connected to the movable disk 15 through two connecting rods 14, and the spring 16 is connected to the movable disk 15 through the fixing plate 10, and then only the needle shaft 6 needs to be connected to the other end of the spring 16 through the insulating limit disk 9. During actual use, the needle shaft 6 passes through the other end of the needle tube 1. If the elastic force of the spring 16 changes, it is only necessary to rotate the adjusting bolt 7 with the help of a tool to drive the threaded rod 12 to rotate, so that the position of the internal threaded frame 11 can be adjusted according to the rotation direction of the threaded rod 12, thereby driving the position of the movable disk 15 inside the needle tube 1, and the supporting force of the spring 16 can be adjusted according to needs.

[0046] Compared with the related art, the spring-type probe provided by the utility model has the following beneficial effects:

[0047] In order to adjust the supporting force of the internal spring of the spring-type probe, a sealing cover 4 is first installed at the bottom end of the needle tube 1 through an external threaded ring 13, and a threaded rod 12 is installed at one end of the sealing cover 4 through an adjusting bolt 7, and the other end of the threaded rod 12 is rotatably connected to the needle tube 1 through a fixing frame 17, and an internal threaded frame 11 is threadedly connected to the outer surface of the threaded rod 12, and then only one side of the internal threaded frame 11 needs to be connected to the movable disk 15 through two connecting rods 14, and the spring 16 is connected to the movable disk 15 through the fixing plate 10, and then only the needle shaft 6 needs to be connected through the insulating The limit plate 9 is connected to the other end of the spring 16. In actual use, the needle shaft 6 passes through the other end of the needle tube 1. If the elastic force of the spring 16 changes, it is only necessary to rotate the adjusting bolt 7 with the help of a tool to drive the threaded rod 12 to rotate, so that the position of the internal threaded frame 11 can be adjusted according to the rotation direction of the threaded rod 12, thereby driving the position of the movable plate 15 inside the needle tube 1, and the supporting force of the spring 16 can be adjusted as needed. Through this structure, the supporting force of the spring 16 can be adjusted in time according to needs, which is beneficial to enhancing the stability of the spring-type probe during long-term use.

[0048] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A spring-type probe, characterized in that: include: Needle; An external threaded ring, the external threaded ring is threadedly connected to a position at one end of the inner surface of the needle tube, one end of the external threaded ring is fixedly connected to a sealing cover, a mounting opening is opened in the middle position of one end of the sealing cover, an adjusting bolt is rotatably connected inside the mounting opening, one end of the adjusting bolt is fixedly connected to a threaded rod, the other end of the threaded rod is rotatably connected to a fixing frame, the outer surface of the threaded rod is threadedly connected to an internal threaded frame, one side of the internal threaded frame is fixedly connected to two connecting rods, the other ends of the two connecting rods are fixedly connected to a movable disk, the outer surface of the movable disk is fixedly connected to two sliding blocks, the other end of the movable disk is fixedly connected to a fixing plate, the other end of the fixing plate is fixedly connected to a spring, the other end of the spring is installed with a limiting disk through the fixing plate, and the other end of the limiting disk is fixedly connected to the needle shaft; Two limiting rails are fixedly connected to opposite sides of the inner surface of the needle tube.

2. The spring-loaded probe according to claim 1, characterized in that: An inner surface of the needle tube is provided with an internal thread at one end, and an outer surface of the sealing cover is provided with anti-slip grooves.

3. The spring-loaded probe according to claim 1, characterized in that: The other end of the needle tube is provided with a hole through which the needle shaft can pass, and the limiting disk moves inside the needle tube and is made of insulating material.

4. The spring-loaded probe according to claim 1, characterized in that: The two ends of the fixing frame are connected to the opposite side of the inner surface of the needle tube, and the movable disk is located on the other side of the fixing frame.

5. The spring-loaded probe according to claim 1, characterized in that: A limiting ring is arranged on the outer surface of the needle tube, and a hole threadedly connected with a fixing bolt is opened on the opposite side of the outer surface of the needle tube.

6. The spring-loaded probe according to claim 5, characterized in that: The opposite side of the outer surface of the limiting ring is threadedly connected with a fixing bolt, and the outer surface of the limiting ring is provided with a plurality of bayonet holes.

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