CN217215366U - Connector with a locking member - Google Patents

Abstract

The utility model provides a connector belongs to connector technical field. The connector is used for connecting a first connecting wire, a second connecting wire, a first grounding wire and a second grounding wire, and comprises a wiring terminal, a grounding terminal, a shell and a plurality of through holes penetrating through the shell, wherein the wiring terminal is accommodated in the through holes, two ends of the wiring terminal are respectively connected with the first connecting wire and the second connecting wire, at least part of the grounding terminal and the shell are integrally formed in an injection molding mode, and two ends of the grounding terminal are respectively connected with the first grounding wire and the second grounding wire. The connector of the utility model integrates the grounding terminal and the shell body by injection molding, so as to simplify the production process of the connector; the through holes penetrate through the shell, so that wiring inside the connector is simplified.

Description

Connector with a locking member

Technical Field

The utility model relates to a connector belongs to connector technical field.

Background

At present, because the inner space of the machine is smaller and the number of built-in devices is more, in order to improve the utilization rate of the inner space of the machine, one end of the connector extending into the machine is usually reduced, however, the two ends of the connector are asymmetric, so that the wiring inside the connector is more complex.

The wiring terminal of the existing connector is generally arranged in a bent shape in the connector to realize the conduction of the two ends of the connector, so that the production process of the connector is complex. Meanwhile, in the existing connector, the connecting glue is usually used between the wiring terminal and the shell for sealing, so that the production environment of a connector production workshop is poor.

In view of the above, there is a need for an improved connector to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connector to solve the terminal of connecting wire in the current connector and buckle and arrange and lead to at least one problem among the production technology is complicated and connector production environment is relatively poor.

In order to achieve the above object, the utility model provides a connector for connect first connecting wire, second connecting wire, first earth connection and second earth connection, the connector includes binding post, ground terminal, casing and runs through a plurality of through-hole of casing, binding post accepts just both ends are connected respectively in the through-hole first connecting wire with the second connecting wire, at least part ground terminal with casing injection moulding is as an organic whole, ground terminal's both ends respectively with first earth connection with the second earth connection is connected.

As a further improvement of the utility model, the casing still includes built-in ground hole and external ground hole, built-in ground hole with external ground hole passes through ground terminal connects, a plurality of the through-hole sets up side by side, adjacent two are located to built-in ground hole the junction of through-hole, external ground hole with the through-hole sets up side by side.

As a further improvement of the utility model, the ground terminal includes the connecting piece and locates the connecting portion at connecting piece both ends, one of them connecting portion accept in built-in ground connection hole and with the connection can be dismantled to first earth connection, another connecting portion accept in the external ground connection hole and with the connection can be dismantled to the second earth connection.

As a further improvement, the through-hole is provided with threely side by side, binding post is corresponding to be equipped with threely, ground terminal is equipped with one, built-in ground connection hole with machine external ground connection hole is equipped with one respectively.

As a further improvement of the utility model, the casing still includes a plurality of accepting groove, the second connecting wire accept in partial accepting groove and with binding post connects, second ground connection part is acceptd in the accepting groove and with ground terminal connects, first connecting wire stretches into in the through-hole and with binding post connects, first earth connection stretches into built-in ground connection hole and with ground terminal connects.

As a further improvement of the utility model, binding post includes first link, second link and cylinder terminal, the second link with the connection can be dismantled to the second connecting wire, the one end of cylinder terminal with first link is connected, the other end with the connection can be dismantled to first connecting wire.

As a further improvement of the utility model, the cylindrical terminal is kept away from the one end of second link is equipped with internal thread and/or external screw thread, the terminal correspondence of second connecting wire is equipped with external screw thread and/or internal thread, makes the cylindrical terminal with second connecting wire threaded connection.

As a further improvement, the cylindrical terminal is kept away from the one end of second link is equipped with the external screw thread, the cylindrical terminal still includes the nut, the second connecting wire cover is established the outside of the external screw thread of cylindrical terminal is passed through nut locking is fixed.

As a further improvement, the wiring terminal is further arranged on the cushion block outside the first connecting end by a sleeve, the fixing part is arranged on the cushion block, and the fixing part passes through the cushion block and the casing fixed connection.

As a further improvement of the utility model, binding post still establishes including the cover sealing washer on the cylinder terminal, the cylinder terminal passes the through-hole makes the sealing washer is arranged in the cylinder terminal with between the inside wall of through-hole, in order to seal the through-hole.

The utility model has the advantages that: the connector of the utility model integrates the grounding terminal and the shell body by injection molding, so as to simplify the production process of the connector; the through holes penetrate through the shell, so that wiring inside the connector is simplified.

Drawings

Fig. 1 is a perspective view of a connector according to a preferred embodiment of the present invention.

Fig. 2 is another perspective view of the connector of fig. 1.

Fig. 3 is an exploded view of the connector of fig. 1.

Fig. 4 is a cross-sectional view of the connector of fig. 1.

Fig. 5 is an enlarged view of a portion of the connector of fig. 4.

Fig. 6 is a perspective view of the housing and the terminal block of fig. 3.

Fig. 7 is a perspective view of the housing of fig. 6.

Fig. 8 is a perspective view of the ground terminal of fig. 3.

Fig. 9 is a perspective view of the terminal block of fig. 3.

Fig. 10 is an exploded view of the terminal of fig. 9.

Fig. 11 is a perspective view of the connecting column of fig. 10.

Fig. 12 is a perspective view of the spacer of fig. 10.

Fig. 13 is a perspective view of the cylindrical terminal of fig. 10.

Fig. 14 is a perspective view of the cylindrical terminal of fig. 13 according to another embodiment.

FIG. 15 is an enlarged view of a portion of the connecting column and spacer of FIG. 10.

Fig. 16 is a perspective view of the second connecting line in fig. 3.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 7, the present invention discloses a connector 100 mounted on a machine to communicate the inside of the machine with the outside of the machine. Specifically, the connector 100 is used for connecting a first connecting wire (not shown) and a second connecting wire 5 and connecting a first grounding wire (not shown) and a second grounding wire 4, and the connector 100 includes a housing 3, a connecting terminal 1 and a grounding terminal 2, wherein the housing 3 is provided with a through hole 31, an internal grounding hole 32 and an external grounding hole 33, the connecting terminal 1 is accommodated in the through hole 31, one end of the connecting terminal 1 is connected with the first connecting wire, the other end of the connecting terminal 1 is connected with the second connecting wire 5, one end of the grounding terminal 2 is accommodated in the internal grounding hole 32 and connected with the first grounding wire, the other end of the grounding terminal is accommodated in the external grounding hole 33 and connected with the second grounding wire 4, so as to connect the internal grounding hole 32 with the external grounding hole 33, and thus the connection between the inside and the outside of the machine through the connector 100 is realized.

For convenience of description, the portion of the connector 100 received in the machine is defined as the inner end, and the portion not received in the machine is defined as the outer end.

A plurality of through holes 31 are formed in the shell 3 and penetrate through the shell 3, that is, the through holes 31 penetrate through the shell 3 to communicate the inner end with the outer end of the machine; the built-in ground hole 32 is provided at the built-in end of the connector 100; the external ground hole 33 is provided at the external end of the connector 100. Wherein, a plurality of through-hole 31 is seted up side by side on casing 3, and outer ground connection hole 33 sets up side by side with through-hole 31 outside, and the junction of two adjacent through-holes 31 is located to built-in ground connection hole 32, and is concrete, and built-in ground connection hole 32 locates between two adjacent through-holes 31 to reduce connector 100 in the inner volume, improve connector 100's practicality, of course, built-in ground connection hole 32 also can locate in the contained angle of two adjacent through-hole 31 junctions. Preferably, three through holes 31 are provided and arranged side by side, three connecting terminals 1 are provided corresponding to the through holes 31, and one internal grounding hole 32, one external grounding hole 33 and one grounding terminal 2 are provided, but in other embodiments, the number of the through holes 31, the number of the internal grounding holes 32, the number of the external grounding holes 33, the number of the connecting terminals 1 and the number of the grounding terminals 2 may be other, and the number is not limited herein.

The shell 3 is provided with a plurality of accommodating grooves 34, the through hole 31 and the external grounding hole 33 are arranged at one end of the accommodating groove 34, the second connecting wire 5 and the second grounding wire 4 are respectively accommodated in the accommodating groove 34 and respectively arranged corresponding to the through hole 31 and the external grounding hole 33, concretely, the second connecting wire 5 is accommodated in the accommodating groove 34 and detachably connected with the wiring terminal 1 accommodated in the through hole 31, the second grounding wire 4 is accommodated in the accommodating groove 34 and detachably connected with the grounding terminal 2 accommodated in the external grounding hole 33, the first connecting wire extends into the through hole 31 and detachably connected with the wiring terminal 1, the first grounding wire extends into the internal grounding hole 32 and detachably connected with the grounding terminal 2, and connection between the internal end and the external end of the machine is realized.

Referring to fig. 1, 2 and 8, the grounding terminal 2 is bent to connect the in-machine grounding hole 32 and the out-machine grounding hole 33, specifically, at least a portion of the grounding terminal 2 and the housing 3 are molded integrally by injection, that is, when the housing 3 is molded by injection, at least a portion of the grounding terminal 2 is directly placed into a mold, so that the portion of the grounding terminal 2 and the housing 3 are fixedly connected, thereby reducing steps in a production process, simplifying a process and improving production efficiency.

Ground terminal 2 includes connecting piece 21 and connecting portion 22, and connecting piece 21 is the strip setting of buckling to connect quick-witted internal ground hole 32 and machine external ground hole 33, connecting portion 22 locate connecting piece 21 both ends and with connecting piece 21 swing joint, and is concrete, and connecting piece 21 and 3 injection moulding of casing are as an organic whole, and one of them connecting portion 22 is acceptd in quick-witted internal ground hole 32 and can be connected with first earth connection detachable, and another connecting portion 22 is acceptd in machine external ground hole 33 and can be connected with second earth connection 4 detachable.

In the present embodiment, the connection portion 22 accommodated in the in-machine ground hole 32 is a screw, and the connection member 21 is connected to the first ground wire by the screw; the connection portion 22 received in the external ground hole 33 is a stud and a nut, the stud is connected to the connector 21, and the second ground wire 4 is fixed to the stud by the nut to connect the first ground wire and the second ground wire 4, but the connection portion 22 may be of other types in other embodiments, for example: soldering, and other electrical connection means, and are not limited herein.

Referring to fig. 9 to 16, the connection terminal 1 includes a connection post 11 and a cylindrical terminal 15, one end of the connection post 11 is connected to the second connection line 5, the other end of the connection post is connected to the cylindrical terminal 15, and one end of the cylindrical terminal 15 away from the connection post 11 is connected to the first connection line, wherein the connection post 11 includes a first connection end 112 and a second connection end 113, the first connection end 112 is connected to the cylindrical terminal 15, and the second connection end 113 is connected to the second connection line 5.

Specifically, a connecting hole 151 matched with the first connecting end 112 is formed in the cylindrical terminal 15, so that the first connecting end 112 can be accommodated in the connecting hole 151 to realize connection between the wiring terminal 1 and the cylindrical terminal 15, preferably, an external thread is formed on the outer side wall of the first connecting end 112, and an internal thread is formed in the connecting hole 151 to realize that the first connecting end 112 of the connecting column 11 can extend into the connecting hole 151 and be connected with the cylindrical terminal 15 through a thread.

The one end that spliced pole 11 was kept away from to cylindrical terminal 15 is equipped with the screw thread, and cylindrical terminal 15 and first connecting wire threaded connection, specifically, first connecting wire includes cable 51 and first terminal (not shown), and the one end and the cable 51 of first terminal are connected, and the other end is connected with cylindrical terminal 15 to realize being connected of binding post 1 and first connecting wire.

As an embodiment of the cylindrical terminal, see fig. 13, in this embodiment, an external thread is provided at an end of the cylindrical terminal 15 away from the connection post 11, a locking hole (not shown) is provided at an end of the first terminal away from the cable 51, and an internal thread is provided in the locking hole, the locking hole is opened in the same direction as the extending direction of the cable 51, one end of the cylindrical terminal 15 is received in the locking hole, and the internal thread and the external thread are engaged with each other, so that the cylindrical terminal 15 and the first terminal are screwed together.

Of course, in other embodiments, the locking hole (not shown) on the first terminal may not have an internal thread, the opening direction of the locking hole is perpendicular to the extending direction of the cable 51, the locking hole penetrates through the first terminal, and the cylindrical terminal 15 further includes a locking nut (not shown), the first terminal is sleeved outside the external thread and is locked and matched with the external thread through the locking nut, so as to fixedly connect the first terminal and the cylindrical terminal 15.

As another embodiment of the cylindrical terminal, see fig. 14, in this embodiment, an external thread may be further provided on the first terminal, a locking hole is provided at an end of the cylindrical terminal 15 'away from the connection post 11, the locking hole is recessed from the end of the cylindrical terminal 15' away from the connection post 11 toward the connection post 11, an internal thread is provided in the locking hole, and the first terminal is received in the locking hole and connected by a thread.

So set up for there is multiple connected mode between cylinder terminal and the first connecting wire, when first connecting wire damaged, can use the connecting wire of other structures to replace, improved binding post 1's practicality.

The connecting terminal 1 comprises a nut 12, a thread corresponding to the nut 12 is arranged on the second connecting end 113, the second connecting line 5 comprises a cable 51 and a second end 52 connected with the cable 51, wherein a through hole 53 corresponding to the second connecting end 113 is formed in the second end 52, the forming direction of the through hole 53 is perpendicular to the extending direction of the cable 51, the second connecting line 5 can be sleeved on the second connecting end 113 through the through hole 53, the second connecting line 5 is in limited connection between the nut 12 and a limiting part 111, and the second connecting line 5 is locked on the second connecting end 113 through the nut 12, so that the second connecting line 5 is detachably connected with the connecting terminal 1. In this embodiment, the second ground wire 4 and the second connecting wire 5 have the same structure, so as to achieve the uniform installation of the external end of the connector 100.

Binding post 1 includes cushion 13, still is equipped with locating part 111 on the spliced pole 11, and is specific, locating part 111 locates the junction of first link 112 and second link 113 and outwards extends from the lateral wall of spliced pole 11, is equipped with spacing hole 132 on the cushion 13, and spliced pole 11 passes spacing hole 132 and makes locating part 111 and cushion 13 butt to realize the spacing connection of cushion 13 and spliced pole 11. Preferably, the limiting member 111 is annularly disposed on the outer sidewall of the connecting column 11, but in other embodiments, the limiting member 111 may also be configured in other shapes, for example: a bump, a semicircular retaining ring, etc., without limitation.

In this embodiment, the limiting step 133 matching with the limiting member 111 is disposed in the limiting hole 132, so that when the cushion block 13 abuts against the limiting member 111, the limiting member 111 can be accommodated in the limiting hole 132 and abuts against the limiting step 133 to limit the position of the cushion block 13 on the connecting column 11, and of course, in other embodiments, the limiting step 133 may not be disposed on the cushion block 13, so that the limiting member 111 directly abuts against the cushion block 13.

The spacer 13 is further provided with a fixing hole (not shown) and a fixing member 131 matching with the fixing hole, specifically, the fixing hole is formed at an edge position of the spacer 13 and penetrates through the spacer 13, and when the terminal 1 is accommodated in the through hole 31, the fixing member 131 penetrates through the fixing hole and is connected with the housing 3, so that the spacer 13 is fixed on the housing 3, and the spacer 13 and the housing 3 are connected.

The terminal 1 further includes a sealing ring 14, specifically, a sealing groove 152 is formed at one end of the cylindrical terminal 15 close to the connecting column, and at least a part of the sealing ring 14 is accommodated in the sealing groove 152.

Referring to fig. 13 in combination with fig. 4 and 5, when the terminal 1 is accommodated in the through hole 31, the sealing ring 14 abuts against the inner side wall of the housing 3 to seal the through hole 31, and the sealing ring 14 seals the connector 100, so that the use of sealant during the production of the connector is avoided, and the production environment of the production workshop of the connector 100 can be improved.

Be equipped with back-off 311 in the through-hole 31, the middle part position of cylindrical terminal 15 still is equipped with hasp piece 153, back-off 311 is from the inside wall of casing 3 to the inside extension of through-hole 31, specific extending direction is for extending towards the built-in end from the outer end of machine, when making cylindrical terminal 15 pass through-hole 31 from the outer end of machine and stretching into the built-in end, back-off 311 can with hasp piece 153 butt, in order to with the spacing butt of cylindrical terminal 15 in through-hole 31, and make sealing washer 14 arrange in between the inside wall of cylindrical terminal 15 and through-hole 31, in order to seal up through-hole 31, realize connector 100's waterproof. The first connection end 112 of the connection post 11 sequentially passes through the limiting hole 132 of the spacer 13 and the through hole 31 of the housing 3 and is connected to the cylindrical terminal 15, that is, the cylindrical terminal 15 is connected to the first connection end 112 in the through hole 31 to fix the connection terminal 1 on the housing 3, and the spacer 13 is limited and contained between the limiting part 111 and the housing 3.

The second connection end 113 of the connection post 11 passes through the through hole 53 of the second connection wire 5 and is connected with the nut 12, and the second connection wire 5 and the connection post 11 are locked by the nut 12, so that the detachable connection of the second connection wire 5 and the connection terminal 1 is realized.

To sum up, the connector 100 of the present invention simplifies the production process of the connector 100 by integrally forming part of the ground terminal 2 in the housing 3, and the through hole 31 is perpendicular to the housing 3, so that the production of the connector 100 and the installation of the connecting terminal 1 are both more convenient; the size of the connector 100 at the inner end is reduced by arranging the internal grounding hole 32 at the joint of two adjacent through holes 31; the cylindrical terminal 15 with the internal thread and/or the external thread is arranged on the wiring terminal 1, so that the wiring terminal 1 and a first connection wire have multiple connection modes, the practicability of the connector 100 is improved, and the service life of the connector 100 is prolonged; through set up the sealing washer 14 with casing 3 butt on binding post 1 for binding post 1 can be waterproof with casing 3 equipment back, need not use sealed glue, has improved the production environment in connector 100 workshop.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that various modifications and equivalent arrangements can be made without departing from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a connector for connect first connecting wire, second connecting wire, first earth connection and second earth connection, its characterized in that: the connector includes binding post, ground terminal, casing and runs through a plurality of through-hole of casing, binding post accepts in the through-hole and both ends are connected respectively first connecting wire with the second connecting wire, at least partial ground terminal with casing injection moulding is as an organic whole, ground terminal's both ends respectively with first earth connection with the second earth connection is connected.

2. The connector of claim 1, wherein: the casing still includes built-in ground connection hole and machine external ground connection hole, built-in ground connection hole with machine external ground connection hole passes through ground terminal connects, a plurality of the through-hole sets up side by side, adjacent two are located to built-in ground connection hole the junction of through-hole, machine external ground connection hole with the through-hole sets up side by side.

3. The connector according to claim 2, wherein: the ground terminal comprises a connecting piece and connecting parts arranged at two ends of the connecting piece, wherein one of the connecting parts is accommodated in the internal grounding hole and detachably connected with the first grounding wire, and the other connecting part is accommodated in the external grounding hole and detachably connected with the second grounding wire.

4. The connector of claim 2, wherein: the through-hole is provided with threely side by side, binding post is corresponding to be equipped with threely, ground terminal is equipped with one, built-in ground connection hole with the ground connection hole outside machine is equipped with one respectively.

5. The connector of claim 2, wherein: the casing still includes a plurality of accepting groove, the second connecting wire accept in partial accepting groove and with binding post connects, second ground connection part accept in partial accepting groove and with ground terminal connects, first connecting wire stretch into in the through-hole and with binding post connects, first earth connection stretch into built-in ground connection hole and with ground terminal connects.

6. The connector of claim 1, wherein: the wiring terminal comprises a first connecting end, a second connecting end and a cylindrical terminal, the second connecting end is detachably connected with the second connecting line, one end of the cylindrical terminal is connected with the first connecting end, and the other end of the cylindrical terminal is detachably connected with the first connecting line.

7. The connector of claim 6, wherein: one end of the cylindrical terminal, which is far away from the second connecting end, is provided with an internal thread and/or an external thread, and the tail end of the second connecting line is correspondingly provided with the external thread and/or the internal thread, so that the cylindrical terminal is in threaded connection with the second connecting line.

8. The connector of claim 7, wherein: the cylindrical terminal is far away from the one end of second link is equipped with the external screw thread, the cylindrical terminal still includes the nut, the second connecting wire cover is established the outside of the external screw thread of cylindrical terminal is passed through nut locking is fixed.

9. The connector of claim 6, wherein: the wiring terminal further comprises a cushion block sleeved on the outer side of the first connection end, a fixing piece is arranged on the cushion block, and the fixing piece penetrates through the cushion block and is fixedly connected with the shell.

10. The connector of claim 6, wherein: the binding post is still established including the cover the sealing washer on the cylinder terminal, the cylinder terminal passes the through-hole makes the sealing washer is arranged in the cylinder terminal with between the inside wall of through-hole, in order to seal the through-hole.

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