CN210535870U

CN210535870U - Electric connection connector

Info

Publication number: CN210535870U
Application number: CN201922046210.5U
Authority: CN
Inventors: 林雷明
Original assignee: Cixi Dingli Plastic & Rubber Co ltd
Current assignee: Cixi Dingli Plastic & Rubber Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-05-15
Anticipated expiration: 2029-11-22

Abstract

An electric connection connector comprises a main body with a first threaded joint and a second threaded joint, an inner core shell inserted in the second threaded joint, a first plug cover used for sealing the first threaded joint and a second plug cover used for sealing the inner core shell, wherein a concave groove is uniformly processed on the first threaded joint around an axis and is divided into a first cavity and a second cavity by a partition plate, a contact pin is accommodated in the first cavity, the first plug cover protrudes towards the inside of the first threaded joint to form a shoulder and a base, a groove is processed between the base and the shoulder, a first wire inlet hole is processed on the first plug cover, a spring piece is arranged between the base and the shoulder, an accommodating cavity for accommodating a plug bush is processed on the inner core shell, a connection screw is arranged on the plug bush, and a second wire inlet hole is processed on the second plug cover; the utility model relates to an electric connector, binding screw fixed wire is passed through to one end, and the other end passes through spring leaf elasticity joint, is applicable to the installation condition of multiple reality, satisfies customer's actual demand.

Description

Electric connection connector

Technical Field

The utility model relates to an electricity connects connector.

Background

The electric connection connector is a common component in electronic and communication engineering, and is used for erecting a communication bridge between blocked parts or isolated and non-communicated circuits in the circuit so as to circulate current and realize a preset function of the circuit; the conventional electrical connector generally has two connection modes, one is to press the wires by elastic deformation of the terminals, such as an electrical connector disclosed in application No. 201821015089.9, in which the inserted wires can be clamped by elastic deformation of the ends of spring pieces with S-shaped cross sections in the terminals; the other is that the wire is fixed through a wiring screw, for example, in the waterproof connector disclosed in application No. 201620206737.3, the wiring screws are arranged on the plug bush and the contact pin, and the inserted wire can be locked through the wiring screws; due to the difference between electrical components and actual power utilization environment, the actual requirements of customers are difficult to meet by a single connection mode.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists in the above-mentioned problem, the utility model provides an electricity connection ware.

In order to achieve the above object, the present invention provides an electrical connector, comprising a main body having a first threaded joint and a second threaded joint, an inner core housing inserted in the second threaded joint, a first plug cap for sealing the first threaded joint, and a second plug cap for sealing the inner core housing, wherein the first threaded joint is uniformly processed with a plurality of concave grooves around an axis, the concave grooves are divided into a first chamber and a second chamber by a partition plate, a pin is received in the first chamber, the first plug cap protrudes into the first threaded joint to form a shoulder capable of extending into the second chamber and a base capable of extending into the first chamber, a groove is processed between the base and the shoulder, a first wire inlet hole penetrating through the base is processed corresponding to the pin, and the spring is disposed between the base and the shoulder, the inner core shell is uniformly provided with accommodating cavities for accommodating plug bushes around the axis, the number of the plug bushes is consistent with that of the contact pins, the plug bushes are provided with wiring screws for locking wires, the second plug covers are provided with second wire inlet holes corresponding to the plug bushes, and the contact pins are electrically connected with the plug bushes through plugging;

the wire of this electric connector one end passes through binding screw fixed, and the elasticity joint that the wire of the other end passes through the spring leaf is on the contact pin, and the contact pin is established with the plug bush rethread and is connected, realizes the intercommunication of circuit.

Preferably, an annular groove is formed in the middle of the main body, a sealing ring is mounted on the annular groove, and a rotating nut is connected between the first threaded joint and the second threaded joint;

in the above technical solution, the sealing ring is used for connection sealing performance of the end of the electrical connector.

Preferably, the first plug cover is connected with the first threaded connector in a clamping manner, and the second plug cover is connected with the inner core shell in a clamping manner;

in the technical scheme, the clamping mode is very convenient in disassembly and assembly, and the connection is stable and firm.

Preferably, the spring piece consists of a positioning section, a bending section and a deformation section which are integrated, the positioning section is attached to the shoulder, the bending section is attached to the groove, and the deformation section extends into the first cavity and is in elastic contact with the contact pin;

in the technical scheme, the positioning section of the spring piece extends into the second cavity, the positioning section is tightly attached to the shoulder all the time under the action of the partition plate and the elastic force of the spring piece, the position of the spring piece is very stable, and the deformation section can generate certain elastic deformation to realize the clamping connection of the lead.

Preferably, the positioning section is provided with a positioning part formed by stamping, correspondingly, the shoulder is provided with a groove matched with the positioning part, and the deformation section is provided with an introducing port formed by stamping;

in the technical scheme, the positioning part further limits the displacement of the spring piece, so that the positioning is more accurate, the lead-in opening is convenient for the lead to penetrate through, and the lead is convenient to insert.

Preferably, the first wire inlet hole is provided with a communicated wire removing hole;

in the technical scheme, the screwdriver is inserted into the wire removing hole, so that the spring piece can be deformed, and the wire removing and inserting of the wire of the connecting end are very convenient.

Preferably, the middle part of the first plug cover protrudes into the first threaded joint to form a first guide rod, correspondingly, a first slot matched with the first threaded joint is processed in the first threaded joint, a guide key is arranged on the inner circumferential surface of the second threaded joint, correspondingly, a guide slot corresponding to the guide key is arranged on the inner core shell, the middle part of the second plug cover protrudes into the inner core shell to form a second guide rod, correspondingly, a second slot matched with the second plug cover is processed in the inner core shell, and the cross sections of the first guide rod and the second guide rod are not circular;

in the technical scheme, because the first plug cover and the second plug cover are provided with the wiring symbols, the wiring symbols are corresponding to each other under the action of the first guide rod, the guide key and the second guide rod, and the phenomenon of wire stringing is avoided during actual wiring.

Preferably, the inner core shell is further provided with a convex column, and the second plug cover is provided with a notch corresponding to the convex column;

in the above technical solution, the convex column further determines the position of the second plug.

Preferably, the electrical connector further comprises a connecting sleeve and a lock nut, wherein the connecting sleeve is in threaded connection with the main body, the connecting sleeve is connected to the second threaded joint, and the lock nut is connected to the first threaded joint and is provided with a sealing gasket;

in the technical scheme, the connecting sleeve is in threaded connection with the main body, so that the displacement of the inner core shell in the axial direction of the main body is limited, and the connection between the inner core shell and the main body is very firm.

Preferably, the connecting sleeve is provided with a flexible claw which can draw in the lead and is provided with a wire sealing body, and a tightening nut is screwed on the connecting sleeve;

in the technical scheme, the flexible clamping jaws and the wire sealing body can tightly hold the passing wire, so that the waterproof and sealing effects are achieved.

The utility model discloses beneficial effect for prior art does: the mode of connection of the wire at current electric connector both ends is single, the utility model relates to an electric connector, binding screw fixed wire is passed through to one end, connects firmly, and the other end passes through spring leaf elasticity joint, and the disconnect is convenient, and overall structure is compact, and low in manufacturing cost is applicable to the installation condition of multiple reality, satisfies customer's demand.

Drawings

Fig. 1 is an exploded view of an electrical connector of the present invention;

FIGS. 2-4 are schematic views of the main body of FIG. 1 from different perspectives;

FIG. 5 is a schematic view of a first closure;

FIG. 6 is a bottom view of the first closure;

FIG. 7 is a schematic view of a spring plate;

FIG. 8 is a schematic view of the connection of the plug housing and the pin (including the binding screw, the spring plate, and the first plug cover);

FIG. 9 is a schematic view of a core shell;

FIG. 10 is a schematic view from another perspective of the core shell;

FIG. 11 is a top view of the core shell;

FIG. 12 is a bottom view of the core shell;

FIG. 13 is a schematic view of a second closure;

fig. 14 is a schematic view of the second closure from another perspective.

In the figure: 1. locking the nut; 2. a gasket; 3. a main body; 31. a first threaded joint; 311. a recessed groove; 312. a partition plate; 313. a second chamber; 314. a first chamber; 315. a first slot; 32. an annular groove; 33. a second threaded joint; 331. a guide key; 4. rotating the nut; 5. a seal ring; 6. connecting sleeves; 61. a flexible jaw; 7. sealing the wire body; 8. tightening the nut; 9. a second plug cover; 91. a second wire inlet hole; 92. a notch; 93. a second guide bar; 10. a binding screw; 11. inserting a sleeve; 12. an inner core shell; 121. an accommodating chamber; 122. a second slot; 123. a convex column; 124. a guide groove; 13. inserting a pin; 14. a spring plate; 141. a positioning section; 1411. a positioning part; 142. a curved section; 143. a deformation section; 1431. an inlet port; 15. a first plug cover; 151. a base; 152. a trench; 153. a shoulder rest; 154. a first wire inlet hole; 155. a first guide bar; 156. and (4) detaching the wire holes.

Detailed Description

The first embodiment is as follows: as shown in fig. 1 to 14, an electrical connector according to an embodiment of the present invention includes a main body 3 having a first threaded joint 31 and a second threaded joint 33, a core housing 12 inserted into the second threaded joint 33, a first plug 15 for sealing the first threaded joint 31, and a second plug 9 for sealing the core housing 12, wherein the first threaded joint 31 has three recessed grooves 311 uniformly formed around an axis, the recessed grooves 311 are divided into a first chamber 314 and a second chamber 313 by a partition 312, the first chamber 314 contains a plug 13, the first plug 15 protrudes into the first threaded joint 31 to form a shoulder 153 capable of extending into the second chamber 313 and a base 151 capable of extending into the first chamber 314, a groove 152 is formed between the base 151 and the shoulder 153, the first plug 15 and the plug 13 are correspondingly formed with a first wire inlet hole 154 extending through the base 151, and the spring plate 153, the inner core shell 12 is uniformly provided with accommodating cavities 121 for accommodating plug bushes 11 around the axis, the number of the plug bushes 11 is consistent with that of the contact pins 13, the plug bushes 11 are provided with wiring screws 10 for locking wires, the second plug cover 9 is provided with second wire inlet holes 91 corresponding to the plug bushes 11, and the contact pins 13 are electrically connected with the plug bushes 11 through plugging; wherein, the middle part of the main body 3 is provided with an annular groove 32, the sealing ring 5 is arranged on the annular groove 32, and the rotating nut 4 is connected between the first screwed joint 31 and the second screwed joint 33; the first plug cover 15 is connected with the first threaded connector 31 in a clamping manner, and the second plug cover 9 is connected with the inner core shell 12 in a clamping manner; the spring piece 14 consists of an integrated positioning section 141, a bending section 142 and a deformation section 143, wherein the positioning section 141 is attached to the shoulder 153, the bending section 142 is attached to the groove 152, and the deformation section 143 extends into the first cavity 314 and is in elastic contact with the contact pin 13; the positioning section 141 is provided with a positioning part 1411 formed by stamping, correspondingly, the shoulder 153 is provided with a groove matched with the positioning part 1411, and the deformation section 143 is provided with an introduction port 1431 formed by stamping; the first wire inlet hole 154 is provided with a communicated wire removing hole 156; the middle part of the first plug cover 15 protrudes into the first threaded joint 31 to form a first guide rod 155, correspondingly, a first matched slot 315 is processed in the first threaded joint 31, the inner circumferential surface of the second threaded joint 33 is provided with a guide key 331, correspondingly, the inner core shell 12 is provided with a guide slot 124 corresponding to the guide key 331, the middle part of the second plug cover 9 protrudes into the inner core shell 12 to form a second guide rod 93, correspondingly, a second matched slot 122 is processed in the inner core shell 12, and the cross sections of the first guide rod 155 and the second guide rod 93 are not circular; the inner core shell 12 is further provided with a convex column 123, and the second plug cover 9 is provided with a notch 92 corresponding to the convex column 123; the electric connector also comprises a connecting sleeve 6 and a locking nut 1 which are in threaded connection with the main body 3, wherein the connecting sleeve 6 is connected at the second threaded joint 33, and the locking nut 1 is connected at the first threaded joint 31 and is provided with a sealing gasket 2; the connecting sleeve 6 is provided with a flexible claw 61 which can draw in the lead and is provided with a wire sealing body 7, and a tightening nut 8 is screwed on the connecting sleeve 6.

Example two: the electrical connector of embodiment 1 is a three-core connector having three sets of sockets and pins disposed therein, and the present embodiment is different from embodiment 1 in that the electrical connector of the present embodiment is two-core, and the assembly is similar to embodiment 1.

The mode of connection of the wire at current electric connector both ends is single, the utility model relates to an electric connector, binding screw fixed wire is passed through to one end, connects firmly, and the other end passes through spring leaf elasticity joint, and the disconnect is convenient, and overall structure is compact, and low in manufacturing cost is applicable to the installation condition of multiple reality, satisfies customer's demand.

When in specific use, the utility model is described with the attached drawings for the convenience of understanding;

assembling the electric connection connector: arrange the contact pin in first cavity (the baffle is kept away from to the contact surface of contact pin and spring leaf), arrange the spring leaf in on leaning on shoulder and the base, and with first gag joint to the first screw joint of main part (first guide bar plays the effect of direction and location), arrange the intracavity that holds of inner core casing in with the plug bush, and with second gag joint on the inner core casing (the second guide bar plays the effect of direction and location), later with the inner core casing propelling movement in the second screwed joint of main part (guide key and guide way play mutual guide effect), the contact pin is pegged graft with the plug bush and is in the same place, realize that both electricity is connected.

Wiring of the electric connection connector: a lead at one end sequentially penetrates through the tightening nut, the wire sealing body and the connecting sleeve and extends into the inserting sleeve from the second wire inlet hole, the lead is fixedly connected with the inserting sleeve through a wiring screw, the connecting sleeve and the main body are screwed to further limit the relative axial displacement between the inner core shell and the main body, and the tightening nut is screwed to be connected to the connecting sleeve to realize sealing and water proofing; the wire at the other end enters from the first wire inlet hole, the screwdriver enters from the wire removing hole to enable the deformation section of the spring piece to generate elastic deformation, the wire is clamped between the spring piece and the contact pin (the lead-in opening plays a guiding role), and then the main body is locked on the electric element through the locking nut.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electrical connection connector characterized by: the plug comprises a main body (3) provided with a first threaded joint (31) and a second threaded joint (33), an inner core shell (12) inserted in the second threaded joint (33), a first plug cover (15) used for closing the first threaded joint (31), and a second plug cover (9) used for closing the inner core shell (12), wherein a plurality of concave grooves (311) are uniformly processed on the first threaded joint (31) along the axis, the concave grooves (311) are divided into a first chamber (314) and a second chamber (313) by partition plates (312), inserting pins (13) are accommodated in the first chamber (314), the first plug cover (15) protrudes inwards the first threaded joint (31) to form a shoulder (153) capable of extending into the second chamber (313) and a base (151) capable of extending into the first chamber (314), a groove (152) is processed between the base (151) and the shoulder (153), first gag (15) with contact pin (13) correspond the processing and have a first entrance hole (154) that runs through base (151), and spring leaf (14) are located base (151) reach lean on between shoulder (153), inner core casing (12) evenly process around the axis has holding chamber (121) that are used for holding plug bush (11), the quantity of plug bush (11) with contact pin (13) are unanimous, be equipped with binding screw (10) that are used for locking the wire on plug bush (11), processing has on second gag (9) with second entrance hole (91) that plug bush (11) correspond, contact pin (13) with plug bush (11) realize the electricity through pegging graft and connect.

2. An electrical connector as claimed in claim 1, wherein: an annular groove (32) is formed in the middle of the main body (3), a sealing ring (5) is installed on the annular groove (32), and a rotating nut (4) is connected between the first threaded connector (31) and the second threaded connector (33).

3. An electrical connector as claimed in claim 1, wherein: first gag (15) with first screwed joint (31) are connected through the mode of joint, second gag (9) with inner core shell (12) are connected through the mode of joint.

4. An electrical connector as claimed in claim 1, wherein: the spring piece (14) is composed of an integrated positioning section (141), a bending section (142) and a deformation section (143), the positioning section (141) is attached to the shoulder (153), the bending section (142) is attached to the groove (152), and the deformation section (143) extends into the first cavity (314) and is in elastic contact with the contact pin (13).

5. An electrical connector as claimed in claim 4, wherein: the positioning section (141) is provided with a positioning part (1411) formed by stamping, correspondingly, the shoulder (153) is provided with a groove matched with the positioning part (1411), and the deformation section (143) is provided with an introducing port (1431) formed by stamping.

6. An electrical connector as claimed in claim 1, wherein: the first wire inlet hole (154) is provided with a communicated wire removing hole (156).

7. An electrical connector as claimed in claim 1, wherein: the middle of the first plug cover (15) protrudes towards the inside of the first threaded joint (31) to form a first guide rod (155), correspondingly, a matched first slot (315) is machined in the first threaded joint (31), a guide key (331) is arranged on the inner circumferential surface of the second threaded joint (33), correspondingly, a guide slot (124) corresponding to the guide key (331) is arranged on the inner core shell (12), the middle of the second plug cover (9) protrudes towards the inside of the inner core shell (12) to form a second guide rod (93), correspondingly, a matched second slot (122) is machined in the inner core shell (12), and the cross sections of the first guide rod (155) and the second guide rod (93) are not circular.

8. An electrical connector as claimed in claim 1, wherein: the inner core shell (12) is also provided with a convex column (123), and the second plug cover (9) is provided with a notch (92) corresponding to the convex column (123).

9. An electrical connector as claimed in any one of claims 1 to 8, wherein: the electric connection connector further comprises a connecting sleeve (6) and a locking nut (1), wherein the connecting sleeve (6) is in threaded connection with the main body (3), the connecting sleeve (6) is connected to the second threaded joint (33), and the locking nut (1) is connected to the first threaded joint (31) and is provided with a sealing gasket (2).

10. An electrical connector as claimed in claim 9, wherein: the connecting sleeve (6) is provided with a flexible claw (61) capable of gathering the lead and a wire sealing body (7), and a tightening nut (8) is screwed on the connecting sleeve (6).