CN218632526U - Terminal structure - Google Patents

Abstract

The application relates to a terminal structure, which belongs to the technical field of electric connectors and comprises a plug cylinder, wherein the plug cylinder is provided with a plug hole and a mounting hole, the plug hole is used for a male terminal to be inserted, and the mounting hole is arranged on the inner wall of the plug hole; the contact tube is provided with joint breach and contact bump, and the contact tube passes through joint breach lock on the week side outer wall of a grafting section of thick bamboo, and contact bump sets up on the inner wall of contact tube, and contact bump inserts and establishes in the spliced eye for thereby this application has the spliced eye that improves the female terminal link and male terminal link joint strength makes male terminal link and female terminal link keep the effect of contact state with male terminal looks butt.

Description

Terminal structure

Technical Field

The present application relates to the field of electrical connectors, and more particularly, to a terminal structure.

Background

The electric connector is the device of realizing electric connection function, the inside connector terminal that is provided with of electric connector, and wherein the connector terminal includes male terminal and female terminal, and the link of female terminal generally is the cylinder tube-shape, and the link of male terminal is the styletable, and the jack has been seted up inside the link of female terminal and has supplied male terminal to peg graft, then inserts the link of male terminal to the jack with female terminal in back, can realize that two links contact to can accomplish the transmission to electric current or signal.

In the related art, when the electrical connector is used, in order to enable the connection end of the male terminal and the connection end of the female terminal to be stably inserted, the connection end of the female terminal is provided with the crown spring, the connection end of the male terminal is inserted into the inner side of the crown spring, and meanwhile, the peripheral side walls of the crown spring can contract inwards to achieve the effect of tight insertion, so that the purpose of enabling the male terminal and the female terminal to be stably contacted is achieved.

In view of the above-mentioned related art, there is a defect that after multiple times of insertion, the contractibility of the crown spring is deteriorated, thereby easily causing poor contact between the female terminal and the male terminal.

SUMMERY OF THE UTILITY MODEL

In order to improve the spliced eye and the public terminal link joint strength of female terminal link, this application provides a terminal structure.

The application provides a terminal structure adopts following technical scheme:

a terminal structure comprises an insertion cylinder, a first terminal and a second terminal, wherein the insertion cylinder is provided with an insertion hole and a mounting hole, a male terminal is inserted into the insertion hole, and the mounting hole is formed in the inner wall of the insertion hole; the contact tube is provided with a clamping gap and a contact lug, the contact tube is buckled on the peripheral side outer wall of the plug-in cylinder through the clamping gap, the contact lug is arranged on the inner wall of the contact tube, and the contact lug is inserted in the plug-in hole and used for being abutted against the male terminal.

Through adopting above-mentioned technical scheme, compare the link of terminal and install the crown spring, crown spring lateral wall all around can be inwards shrunk and reach and insert tight public terminal so that public terminal and female terminal contact stable mode, this kind of contact tube and the all sides outer wall lock of grafting section of thick bamboo that will have contact lug, contact lug wears to establish in the spliced eye through the mounting hole, when public terminal inserts in the spliced eye, public terminal and contact lug contact, the contact tube can be to the direction motion of keeping away from the spliced eye, the deformation volume of contact tube is very little this moment, so can reduce the contact tip and lead to the phenomenon of female terminal and public terminal contact failure because of the shrink is relatively poor or the holding power is not enough, thereby stable completion is to the transmission of electric current or signal.

Optionally, the contact protrusion extends along a center line of the insertion hole.

Through adopting above-mentioned technical scheme, when the public terminal worn to locate in the spliced eye, contact bump can with the public terminal at the complete butt of the central line direction of spliced eye to increase public terminal and contact bump's area of contact, and then improve the transmission efficiency of electric current or signal.

Optionally, two ends of the contact bump in the direction of the central line of the insertion hole are provided with guide fillets, and the guide fillets are abutted to the inner wall of the mounting hole.

Through adopting above-mentioned technical scheme, at the in-process that the male terminal inserted the spliced eye, the male terminal can contact the guide fillet earlier at the in-process of contact lug, and the guide fillet can guide the smooth state of slipping to the complete butt with the contact lug of male terminal to avoid the male terminal as far as possible to produce the phenomenon of collision and damage when penetrating the spliced eye and contact lug contact.

Optionally, a connection line between the contact bump and the center of the insertion hole is perpendicular to a connection line between the clamping notch and the center of the insertion hole.

Through adopting above-mentioned technical scheme, because the joint breach be provided with can lead to contact pipe and a grafting section of thick bamboo lock unstable certainly, so set up the contact lug with above-mentioned position can with contact pipe restriction radial direction and axial direction's steadiness simultaneously.

Optionally, the shape of the mounting hole is a kidney-shaped circle.

Through adopting above-mentioned technical scheme, because contact lug is provided with the guide fillet along both ends, so set up the mounting hole into waist shape hole and can realize wearing to establish of mounting hole and lug better.

Optionally, the outer wall of the peripheral side of the contact tube is provided with a stamping groove, and the stamping groove is arranged on the contact bump.

Through adopting above-mentioned technical scheme, when male terminal and contact lug contacted, contact lug can have sufficient deformation space to can control the deformation volume of contact pipe, and then reduce because of the too big condition that leads to contact pipe to drop from the grafting section of thick bamboo of contact pipe deformation volume.

Optionally, the outer wall of the peripheral side of the insertion tube is provided with two limiting blocks, and one side of each limiting block, which is close to each other, is respectively contacted with the two ends of the contact tube.

Through adopting above-mentioned technical scheme, after contact tube lock to grafting section of thick bamboo outside, the stopper at grafting section of thick bamboo both ends is close to the one side each other and all with contact tube both ends butt to can prevent that contact tube from contacting section of thick bamboo surface landing.

Optionally, a mounting gap is provided between the contact bump and the mounting hole, and the mounting gap extends along the length direction of the contact bump.

Through adopting above-mentioned technical scheme, after the plug-in hole was inserted to the public terminal, the contact tube received the pressure of public terminal and can lift to keeping away from the public terminal direction at the contact tube surface, reserves the installation clearance this moment between mounting hole and butt lug and can realize the assembly better and prevent that the work piece from colliding with the deformation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the contact tube with the contact lug is buckled with the outer wall of the peripheral side of the plug cylinder, the contact lug penetrates through the mounting hole to be arranged in the plug hole, when the male terminal is inserted into the plug hole, the male terminal is contacted with the contact lug, the contact tube cannot deform due to the contact of the male terminal and the contact lug, and therefore the phenomenon that the contact end is poor in contact with the female terminal and the male terminal due to poor contractibility or insufficient holding force can be reduced.

2. The contact lug extends along the central line direction of the insertion hole, and when the male terminal is arranged in the insertion hole in a penetrating manner, the contact lug can be completely abutted against the male terminal in the central line direction of the insertion hole, so that the contact area of the male terminal and the contact lug is increased, and the transmission efficiency of current or signals is improved

3. The contact convex block is provided with the guide fillet along the both ends of spliced eye central line direction, and the male terminal can contact the guide fillet earlier at the in-process of contact convex block, and the guide fillet can guide the smooth state of slipping to with the complete butt of contact convex block of male terminal to the phenomenon of producing the collision and damaging when avoiding the male terminal as far as possible because of penetrating the spliced eye and contacting the convex block contact.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a terminal structure in the embodiment of the present application;

FIG. 2 is a partial structural view of a terminal structure in an embodiment of the present application;

FIG. 3 is a schematic view of a contact tube structure of a terminal structure in an embodiment of the present application;

fig. 4 is a schematic view of a contact tube structure of a terminal structure in the embodiment of the present application.

Description of reference numerals: 1. a plug-in barrel; 11. inserting holes; 12. mounting holes; 13. a limiting block; 2. a contact tube; 21. clamping the notch; 22. a contact bump; 221. a guide surface; 222. stamping a forming groove; 23. an installation part; 3. and (5) installing a gap.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a terminal structure. Referring to fig. 1 and 3, a terminal structure includes a plug cylinder 1 and a contact tube 2, the plug cylinder 1 is cylindrical, a plug hole 11 which is approximately cylindrical is formed in the plug cylinder 1, and the plug hole 11 is used for inserting a male terminal; contact tube 2 is approximate cylindrical for contact with the male terminal, and contact tube 2 has seted up joint breach 21 at its length direction, and joint breach 21 cross-section is fan-shaped, and joint breach 21 is used for making contact tube 2 lock to a section of thick bamboo 1 surface of pegging graft.

Referring to fig. 2 and 3, a waist-shaped mounting hole 12 is formed on the peripheral side of the insertion tube 1, and the mounting hole 12 is communicated with the insertion hole 11, so that when the male terminal is inserted into the mounting hole 12, the male terminal is in contact with the contact tube 2, but the contact tube 2 is restricted by the mounting hole 12 to move and cannot slide along with the male terminal; the contact tube 2 comprises a contact bump 22 and a mounting part 23, specifically, the contact bump 22 is provided with one and is a cuboid block, the long edge of the contact bump 22 is provided with a fillet, the contact bump 22 is arranged at one side of the contact tube 2 close to the plug hole 11, the contact bump 22 penetrates through the mounting hole 12 and is communicated with the plug hole 11, and when the male terminal is inserted into the plug hole 11, the contact bump 22 can be abutted with the male terminal to complete the transmission of current or signals; the installation department 23 is kept away from plug hole 11 one end with contact lug 22 and is connected, and installation department 23 sets up the fillet with contact lug 22 junction contact lug 22, and installation department 23 is connected with contact lug 22's one side can with 1 week side contact of a grafting section of thick bamboo to when contact pipe 2 stabilizes the lock on a grafting section of thick bamboo 1, contact lug 22 sets up in a grafting section of thick bamboo 1, thereby can strengthen contact pipe 2 and the stability of being connected of a grafting section of thick bamboo 1.

Referring to fig. 3 and 4, the contact protrusion 22 is located in a direction perpendicular to a line connecting the axis of the clamping notch and the axis of the mounting hole 12, the contact protrusion 22 is provided with a guide surface 221, the guide surface 221 is the surface of the contact protrusion 22 which is contacted first after the male terminal is inserted into the inserting hole 11, the guide surface 221 is arranged in an arc shape, so that after the male terminal is inserted into the inserting tube 1, excessive resistance does not occur when the insertion end of the male terminal is contacted with the contact protrusion 22, and the male terminal can smoothly slide to a position contacted with the contact tube 2; wherein, the end of the contact bump 22 far away from the plug hole 11 is provided with a stamping groove 222, when the male terminal contacts with the contact bump 22, the stamping groove 222 in the contact bump 22 makes the contact bump 22 have enough deformation space, thereby being capable of controlling the deformation of the contact tube 2, and further reducing the condition that the contact tube 2 falls off from the plug cylinder 1 due to the overlarge deformation of the contact tube 2.

Referring to fig. 1 and 2, two limit blocks 13 are arranged on the outer wall of the peripheral side of the insertion cylinder 1, the two limit blocks 13 are arranged at intervals in the length direction of the insertion cylinder 1, and the limit blocks 13 at the two ends of the insertion cylinder 1 are close to each other and abut against the two ends of the contact pipe 2 respectively, so that the contact pipe 2 can be prevented from sliding off the surface of the contact cylinder; contact lug 22 wears to establish the department with mounting hole 12 and sets up installation clearance 3, installation clearance 3 extends the setting along contact lug 22 is close to mounting hole 12 inner wall one side, inserts spliced eye 11 back as the male terminal, and contact tube 2 receives the outside pressure of male terminal, and contact tube 2 can be lifted to keeping away from the male terminal direction on contact tube 2 surfaces, reserves installation clearance 3 this moment between mounting hole 12 and butt lug and can better prevent the work piece motion in-process to produce and collide with the deformation.

The implementation principle of the terminal structure of the embodiment of the application is as follows: offer a joint breach 21 with contact tube 2 and supply contact tube 2 lock on 1 surface of a grafting section of thick bamboo, when the male terminal passes through plug hole 11 and female terminal contact, contact tube 2 is whole along keeping away from 11 direction movements of plug hole, and the deformation volume that consequently contact tube 2 produced when lieing in the male terminal contact is very little to avoid producing because of the reduction of female terminal link 11 position and male terminal link joint strength and can not keep the condition of contact state.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A terminal structure, characterized in that: comprises that

The plug cylinder (1) is provided with a plug hole (11) and a mounting hole (12), the plug hole (11) is used for a male terminal to be inserted, and the mounting hole (12) is formed in the inner wall of the plug hole (11);

contact pipe (2) is provided with joint breach (21) and contact lug (22), contact pipe (2) are passed through joint breach (21) lock is in on the week side outer wall of plug-in connection section of thick bamboo (1), contact lug (22) set up on the inner wall of contact pipe (2), contact lug (22) are inserted and are established in spliced eye (11) for with public terminal looks butt.

2. The terminal structure according to claim 1, wherein: the contact bump (22) extends along the central line direction of the plug hole (11).

3. The terminal structure according to claim 2, wherein: and guide fillets are arranged at two ends of the contact convex block (22) along the central line direction of the plug hole (11), and are abutted against the inner wall of the mounting hole (12).

4. The terminal structure according to claim 1, wherein: the connecting line of the contact lug (22) and the center of the plug hole (11) is vertical to the connecting line of the clamping notch (21) and the center of the plug hole (11).

5. The terminal structure according to claim 1, wherein: the mounting hole (12) is in a waist-round shape.

6. The terminal structure according to claim 2, wherein: the periphery side outer wall of the contact tube (2) is provided with a stamping groove (222), and the stamping groove (222) is arranged on the contact bump (22).

7. The terminal structure of claim 1, wherein: the side outer wall of the insertion tube (1) is provided with two limiting blocks (13), and the two limiting blocks (13) are close to one side and are in contact with the two ends of the contact tube (2) respectively.

8. A terminal structure according to claim 3, wherein: a mounting gap (3) is arranged between the contact bump (22) and the mounting hole (12), and the mounting gap (3) extends along the length direction of the contact bump (22).

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