CN218275167U - Spring probe connector - Google Patents

Abstract

The utility model discloses a spring probe connector relates to probe connector technical field, the female joint comprises a sleeve, the opening has been seted up at telescopic top, telescopic inner chamber bottom is provided with the tail stopper, telescopic inner chamber middle part activity is provided with interior syringe needle, the top surface of interior syringe needle is the inclined plane, the bottom surface of interior syringe needle is the plane. This spring probe connector, add through the bottom at the sleeve inner chamber and establish the tail stopper, when the installation, can arrange the telescopic inner chamber in from telescopic bottom with the ball, then arrange telescopic inner chamber in with interior syringe needle and make the top surface and the ball contact of interior syringe needle, then arrange telescopic inner chamber in with the spring, make the spring cup joint to the outside of spacing post and with the bottom surface contact of interior syringe needle, cup joint the tail stopper to telescopic inner chamber, seal the sleeve, accomplish the installation, the opening on sleeve top can not be destroyed in the assembly like this, and has processing simple, convenient assembling, precision is higher more accurate, easy to assemble, the advantage of saving the cost.

Description

Spring probe connector

Technical Field

The utility model relates to a probe connector technical field specifically is a spring probe connector.

Background

The spring pin connector is a precision connector applied to electronic products such as mobile phones and the like, is widely applied to semiconductor equipment and plays a role in connection.

The patent application number (CN 201611227830.3) discloses a large-sliding-range connector, which comprises a piston cylinder, a cylindrical piston and a needle head, wherein the bottom end of the cylindrical piston is clamped in the piston cylinder and can axially move along the piston cylinder, and the needle head is partially clamped in the piston and can freely rotate in the piston; when the syringe needle receives external force and compresses to the piston is interior, because piston and piston cylinder sliding connection, the syringe needle card is in the piston, then the piston can be followed piston cylinder axial with the syringe needle and slided together to increased the syringe needle decrement, guaranteed compressive force, the stability of increase impedance.

Patent application number (201120087415.9) discloses a probe-type connector, which comprises a sleeve, a probe assembly and an elastic piece; the sleeve is provided with an accommodating space which is provided with an opening; the elastic piece is positioned in the accommodating space, and the other end of the elastic piece is propped against the probe assembly; the probe assembly comprises a contact element and a base body matched with the contact element, the contact element is a sphere, and part of the sphere protrudes out of the accommodating space through the opening. Because the contacts are balls which can rotate when subjected to lateral contact forces, the risk of the contacts getting stuck is reduced and the usability of the probe connector is improved compared to prior art cylindrical contacts.

The first patent design scheme adopts a piston design during actual production and assembly, so that not only are parts complex to process and difficult to assemble, but also the installation process is complex, thereby increasing the cost and being not suitable for popularization.

In practical use, the ball needs to enter from the sleeve top opening, the diameter of the ball is larger than that of the opening, the opening of the sleeve can be damaged, and meanwhile, the position of the spring installation is inconvenient to adjust during assembly, so that a spring probe connector is obtained through research and development on the basis.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a spring probe connector has solved present spring probe connector that proposes in the above-mentioned background art and has adopted the piston design, and not only spare part processing is complicated, be difficult for more during the assembly, and the mounting process is complicated, and this just leads to the cost-push, is unsuitable to be promoted, damages sleeve opening, and spring mounting's position control is also inconvenient problem when assembling simultaneously.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a spring probe connector comprises a sleeve, wherein an opening is formed in the top of the sleeve, a tail plug is arranged at the bottom of an inner cavity of the sleeve, an inner needle head is movably arranged in the middle of the inner cavity of the sleeve, the top surface of the inner needle head is an inclined surface, and the bottom surface of the inner needle head is a plane;

the top of the tail plug is provided with a spring limiting groove, the inner cavity of the spring limiting groove is provided with a spring, and the top end of the spring is in contact with the bottom surface of the inner needle head.

Preferably, the top of the inner cavity of the sleeve is movably sleeved with a ball, and the top end of the ball passes through the opening and extends to the outside of the sleeve.

Preferably, the middle part of the bottom surface of the inner needle head is provided with an integrally formed limiting column, and the limiting column is positioned in the inner cavity of the spring.

Preferably, the bottom of the ball contacts the top surface of the inner needle.

Preferably, the diameter of the ball is larger than the diameter of the top opening of the sleeve.

The utility model provides a spring probe connector possesses following beneficial effect:

1. this spring probe connector establishes the tail plug through adding in the bottom of sleeve inner chamber, when the installation, can arrange the telescopic inner chamber in from telescopic bottom with the ball, then arrange telescopic inner chamber in with interior syringe needle and make the top surface and the ball contact of interior syringe needle, arrange the telescopic inner chamber in with the spring, make the spring cup joint to the outside of spacing post and with the bottom surface contact of interior syringe needle, cup joint the tail plug to telescopic inner chamber at last, seal the sleeve, accomplish the installation. The opening on sleeve top can not be destroyed in the assembly like this, adopts no piston design, makes this spring probe connector have processing simply, convenient assembling, the higher more accurate of precision, easy to assemble, cost-effective advantage.

2. This spring probe connector establishes to the inclined plane through the top surface with interior syringe needle, and during the atress, interior syringe needle is better with telescopic inner wall contact, conveniently electrically conducts and heavy current. Because the bottom surface of the inner needle head is a plane, the spring is better stressed after being contacted with the spring, the spring is stressed by a positive force, the service life of the spring can be prolonged, and the elasticity of the spring is more accurate.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a front schematic view of the present invention;

fig. 3 is a schematic three-dimensional structure of the present invention.

In the figure: 1. a sleeve; 2. a spring; 3. a tail plug; 4. an inner needle head; 5. a ball bearing; 6. a spring limit groove; 7. a limiting post.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the utility model provides a spring probe connector, including sleeve 1, the opening has been seted up at sleeve 1's top, and sleeve 1's inner chamber bottom is provided with tail plug 3, and sleeve 1's inner chamber middle part activity is provided with interior syringe needle 4, and the top surface of interior syringe needle 4 is the inclined plane. The top surface of the inner needle head 4 is arranged to be an inclined surface, when the inner needle head 4 is stressed, the inner needle head 4 is better contacted with the inner wall of the sleeve 1, the electric conduction and the over-current are convenient, and the bottom surface of the inner needle head 4 is a plane; because the bottom surface of interior syringe needle 4 is the plane, make spring 2 atress better after contacting with spring 2, can make spring 2 receive a normal force, can prolong spring 2's life, make spring 2's elasticity more accurate.

Spacing recess 6 of spring has been seted up at the top of tail stopper 3, the inner chamber of spacing recess 6 of spring is provided with spring 2, the top of spring 2 and the bottom surface contact of interior syringe needle 4, add through the bottom at sleeve 1 inner chamber and establish tail stopper 3, when the installation, can arrange sleeve 1's inner chamber in sleeve 1's bottom with ball 5, then arrange sleeve 1's inner chamber in with interior syringe needle 4 and make the top surface and the ball 5 contact of interior syringe needle 4, then arrange sleeve 1's inner chamber in with spring 2, make spring 2 cup joint to spacing post 7 outside and with interior syringe needle 4's bottom surface contact, cup joint tail stopper 3 to sleeve 1's inner chamber, seal sleeve 1, the completion installation. The opening at the top end of the sleeve 1 cannot be damaged during assembly, so that the spring probe connector has the advantages of simplicity in processing, convenience in assembly, higher and more accurate precision, convenience in installation and cost saving.

The top of the inner cavity of the sleeve 1 is movably sleeved with a ball 5, and the top end of the ball 5 penetrates through the opening and extends to the outside of the sleeve 1. When the ball 5 is pressed, the ball penetrates into the inner cavity of the sleeve 1 to press the inner needle 4.

The middle part of 4 bottom surfaces of interior syringe needle is equipped with integrated into one piece's spacing post 7, and spacing post 7 is located the inner chamber of spring 2, can carry on spacingly to the position of spring 2 through spacing post 7, and the both sides of spring 2 are apart from the spacing recess 6 inner wall distance of spring short, and when spring 2 compressed, 2 both sides of spring can contact the inner wall of the spacing recess 6 of spring, play the effect of protection spring 2, make spring 2 be difficult for producing the deformation.

The bottom of the ball 5 is in contact with the top surface of the inner needle 4. The diameter of ball 5 is greater than the diameter of sleeve 1 open-top, and sleeve 1's opening is the throat form, carries on spacingly to ball 5, avoids ball 5 to break away from sleeve 1's inner chamber completely.

In conclusion, when the spring probe connector is assembled, firstly, the ball 5 is placed in the inner cavity of the sleeve 1 from the bottom of the sleeve 1, then the inner needle 4 is placed in the inner cavity of the sleeve 1, so that the top surface of the inner needle 4 is contacted with the ball 5, then the spring 2 is placed in the inner cavity of the sleeve 1, so that the spring 2 is sleeved to the outside of the limit column 7 and is contacted with the bottom surface of the inner needle 4, finally, the tail plug 3 is sleeved to the inner cavity of the sleeve 1, the sleeve 1 is sealed, and the installation is completed.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be directly connected, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A spring probe connector comprising a sleeve (1), characterized in that: the top of the sleeve (1) is provided with an opening, the bottom of an inner cavity of the sleeve (1) is provided with a tail plug (3), the middle part of the inner cavity of the sleeve (1) is movably provided with an inner needle (4), the top surface of the inner needle (4) is an inclined plane, and the bottom surface of the inner needle (4) is a plane;

spring limiting grooves (6) are formed in the tops of the tail plugs (3), springs (2) are arranged in inner cavities of the spring limiting grooves (6), and the top ends of the springs (2) are in contact with the bottom surfaces of the inner needle heads (4).

2. A spring probe connector as claimed in claim 1, wherein: the ball bearing (5) is movably sleeved at the top of the inner cavity of the sleeve (1), and the top end of the ball bearing (5) penetrates through the opening to extend to the outside of the sleeve (1).

3. A spring probe connector as claimed in claim 1, wherein: the middle part of the bottom surface of the inner needle head (4) is provided with an integrally formed limiting column (7), and the limiting column (7) is located in the inner cavity of the spring (2).

4. A spring probe connector as claimed in claim 2, wherein: the bottom of the ball (5) is contacted with the top surface of the inner needle (4).

5. A spring probe connector as claimed in claim 2, wherein: the diameter of the ball (5) is larger than that of the top opening of the sleeve (1).

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