CN220628348U - Screw type connector - Google Patents

Abstract

The utility model provides a screw type connector, which is characterized in that the inner structure is protected through a shell, a cable and electric equipment are stably connected through an interface end of a male insertion core, a wire of the cable can enter a screw connection needle through a connecting port on a cover plate, a screw on the screw connection needle can be screwed through a mounting hole, the wire of the cable is fixed in the screw connection needle, wiring connection is realized, the cover plate can accurately and stably fix the screw connection needle placed in a slot in the male insertion core through the cooperation of a first positioning part and a second positioning part, a headless screw is not required to fix the screw connection needle, the production and the assembly are convenient, the screw connection needle can be ensured to be stable and not to shake in the male insertion core, and the connection stability of the connector is improved.

Description

Screw type connector

Technical Field

The utility model relates to the field of connectors, in particular to a screw type connector.

Background

The existing screw type connector is fixed in a manner of fixing a screw type screw connecting needle through a headless screw on the screw type screw connecting needle, and the fixing manner is affected by screw precision, so that two problems exist: 1. when the screw is processed according to the upper limit of the standard tolerance, the screw is possibly too tightly matched, the headless screw can not be completely sunk into the connecting port, the assembly is affected, when the screw is processed according to the lower limit of the standard tolerance, the screw connecting needle positioning effect is possibly poor, the screw connecting needle shakes in the connector, the headless screw possibly falls off due to excessive rotation in the mounting process, and the screw connecting needle at the position is separated, so that the mounting efficiency is affected. In summary, the stability of the mode of fixing the screw connecting needle by the headless screw fluctuates greatly, which is inconvenient for production and assembly and affects the efficiency.

Disclosure of Invention

Therefore, it is necessary to provide a screw type connector, which solves the problems that the stability of the screw connection needle in the existing connector is large in fluctuation during fixing, the production and the assembly are inconvenient, and the efficiency is affected.

In order to achieve the above object, the present utility model provides a screw type connector, comprising a housing, a cover plate, a screw connection pin and a male ferrule, wherein the cover plate, the screw connection pin and the male ferrule are arranged in the housing;

the male insertion core comprises a slot, a mounting hole and a first positioning part, wherein the slot is arranged at the upper part of the male insertion core and is used for accommodating the screw connecting pin; the mounting hole is formed in the upper side wall of the male ferrule, and the first positioning part is formed in the upper surface of the male ferrule;

the cover plate comprises a connecting port and a second positioning part, the second positioning part is arranged on the lower surface of the cover plate, the cover plate is arranged on the male ferrule through the positioning of the second positioning part and the first positioning part, and the connecting port is arranged right above the screw connecting needle.

Further, the first positioning part is provided with a plurality of through holes, the second positioning part is provided with a plurality of structural columns with the same number as the through holes, and the inner diameter of the through holes is matched with the size of the structural columns.

Further, the male ferrule further comprises a plurality of positioning grooves and positioning strips, wherein each positioning groove comprises an upper groove and a lower groove, the upper grooves are formed in the edge of the cover plate, and the lower grooves are formed in the side wall of the upper part of the male ferrule; the positioning strips are arranged on the inner wall of the shell and are used for being in sliding fit with the positioning grooves.

Further, the positioning grooves and the positioning strips are arranged in a central symmetry mode.

Further, the mounting hole is U-shaped.

Further, the cable sealing device also comprises a first sealing ring and a second sealing ring, wherein the first sealing ring is arranged on the inner side of the upper end of the shell and is positioned between the cable and the inner wall of the shell; the male ferrule further comprises a sealing groove, the sealing groove is arranged below the mounting hole, and the second sealing ring is arranged in the sealing groove and located between the outer wall of the male ferrule and the inner wall of the shell.

Further, the shell fixing component comprises a connecting cap, a protective shell and a male plug connector, wherein a series of cuts are formed in the upper end of the protective shell, and the connecting cap is connected with the upper end of the protective shell and extrudes the upper end of the protective shell in the connecting process to fix a cable; one end of the male plug connector is connected with the lower end of the male plug core, and the other end of the male plug connector is used for being connected with external equipment.

Further, the connector is further provided with a connection adjusting piece, and the connection adjusting piece is arranged between the protective shell and the male connector and is connected with the lower end of the protective shell.

Further, the cover plate also comprises a mark, and the mark is arranged on the upper surface of the cover plate.

Further, an anti-slip part is also arranged on the outer side wall of the shell fixing component.

Compared with the prior art, the technical scheme is characterized in that the shell is used for protecting the internal structure, the cable and the electric equipment are stably connected through the interface end of the male insertion core, the wire of the cable can enter the screw connecting needle through the connecting port on the cover plate, the screw on the screw connecting needle can be screwed through the mounting hole, the wire of the cable is fixed in the screw connecting needle, wiring connection is realized, the cover plate can be accurately and stably fixed in the male insertion core through the cooperation of the first positioning part and the second positioning part, the screw connecting needle placed in the slot is not required to be fixed by using the headless screw, the screw connecting needle is convenient to produce and assemble, the screw connecting needle can be ensured to be stably and not shake in the male insertion core, and the connection stability of the connector is improved

Drawings

FIG. 1 is a perspective view of a screw-type connector according to an embodiment;

FIG. 2 is a perspective exploded view of a screw-type connector according to an embodiment;

FIG. 3 is a schematic view illustrating a process of assembling a cover plate, a screw connection pin and a male ferrule according to an embodiment;

FIG. 4 is a cross-sectional view of a screw type connector according to another embodiment;

fig. 5 is a perspective view of a cover plate with a logo according to another embodiment.

Reference numerals illustrate:

1. screw type connectors; 10. a housing; 101. a connecting cap; 102. a protective housing; 103. a male connector; 104. connecting an adjusting piece; 11. a positioning strip; 20. a cover plate; 21. a connection port; 22. a second positioning portion; 30. a screw connecting needle; 40. a male ferrule; 41. a slot; 42. a mounting hole; 43. a first positioning portion; 50. a positioning groove; 502. an upper groove; 504. a lower groove; 52. a first seal ring; 53. a second seal ring; 54. identification; 55. an anti-slip part.

Detailed Description

In order to describe the technical content, constructional features, achieved objects and effects of the technical solution in detail, the following description is made in connection with the specific embodiments in conjunction with the accompanying drawings.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of the phrase "in various places in the specification are not necessarily all referring to the same embodiment, nor are they particularly limited to independence or relevance from other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the technical features mentioned in the embodiments may be combined in any manner to form a corresponding implementable technical solution.

Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application pertains; the use of related terms herein is for the description of specific embodiments only and is not intended to limit the present application.

In the description of the present application, the term "and/or" is a representation for describing logical relationships between objects, which means that three relationships may exist, e.g., a and/or B, representing: there are three cases, a, B, and both a and B. In addition, the character "/" herein generally indicates that the context associated object is a logical relationship of a type "or".

In this application, terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual number, order, or sequence of such entities or operations.

Without further limitation, the use of the terms "comprising," "including," "having," or other like terms in this application is intended to cover a non-exclusive inclusion, such that a process, method, or article of manufacture that comprises a list of elements does not include additional elements but may include other elements not expressly listed or inherent to such process, method, or article of manufacture.

As in the understanding of the "examination guideline," the expressions "greater than", "less than", "exceeding", and the like are understood to exclude the present number in this application; the expressions "above", "below", "within" and the like are understood to include this number. Furthermore, in the description of the embodiments of the present application, the meaning of "a plurality of" is two or more (including two), and similarly, the expression "a plurality of" is also to be understood as such, for example, "a plurality of groups", "a plurality of" and the like, unless specifically defined otherwise.

In the description of the embodiments of the present application, spatially relative terms such as "center," "longitudinal," "transverse," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," etc., are used herein as terms of orientation or positional relationship based on the specific embodiments or figures, and are merely for convenience of description of the specific embodiments of the present application or ease of understanding of the reader, and do not indicate or imply that the devices or components referred to must have a particular position, a particular orientation, or be configured or operated in a particular orientation, and therefore are not to be construed as limiting of the embodiments of the present application.

Unless specifically stated or limited otherwise, in the description of the embodiments of the present application, the terms "mounted," "connected," "affixed," "disposed," and the like are to be construed broadly. For example, the "connection" may be a fixed connection, a detachable connection, or an integral arrangement; the device can be mechanically connected, electrically connected and communicated; it can be directly connected or indirectly connected through an intermediate medium; which may be a communication between two elements or an interaction between two elements. The specific meanings of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains according to the specific circumstances.

Referring to fig. 1 to 5, the present embodiment provides a screw type connector 1, which includes a housing 10, a cover 20 disposed inside the housing 10, a screw connection pin 30, and a male pin 40;

the male ferrule 40 includes a slot 41, a mounting hole 42, and a first positioning portion 43, the slot 41 is disposed on an upper portion of the male ferrule 40 and is used for accommodating the screw connection pin 30, and an inner space of the slot 41 is matched with an outer shape of the screw connection pin 30, so that the screw connection pin 30 can be smoothly inserted into the slot 41 and is stable and not swaying. The mounting hole 42 is provided on the upper side wall of the male ferrule 40, and when wiring, a screwdriver can pass through the mounting hole 42 and enter the male ferrule 40 to rotate the side screw of the screw connection needle 30, so as to realize locking or unlocking functions. The first positioning portion 43 is provided on the upper surface of the male ferrule 40.

The cover 20 includes a connection port 21 and a second positioning portion 22, the second positioning portion 22 is disposed on a lower surface of the cover 20, the cover 20 is disposed on the male ferrule 40 by positioning the second positioning portion 22 and the first positioning portion 43, and the cover 20 and the male ferrule 40 may be fixedly connected by using an adhesive or welding process, wherein the welding mode is preferably ultrasonic welding. The first positioning portion 43 and the second positioning portion 22 may have a plurality of and equal number, and the positioning structures may be structures such as a fixture block splicing structure, a strip groove embedding structure or a hole column splicing structure, and preferably, the hole column splicing structure may be adopted, so that the structure is simple and space is saved. Meanwhile, considering that the thickness of the cover plate 20 is small, a hole may be formed above the male pin 40, and a post may be formed below the cover plate 20, specifically, in some embodiments, the first positioning portion 43 is a plurality of through holes, the second positioning portion 22 is a plurality of structural posts equal to the through holes, and the inner diameter of the through holes is matched with the size of the structural post, so that the connection between the cover plate 20 and the male pin 40 is fast and stable. The connection port 21 is disposed right above the screw connection needle 30, and the connection port 21 is sized to allow the cable to pass through.

It should be noted that, in this embodiment, the number of the screw connection pins 30 is not specifically limited, and depends on the type of the male ferrule 40, for example, as shown in fig. 1, the number of the screw connection pins 30 is four, the four screw connection pins 30 are symmetrically arranged in the center, and the screws of each screw connection pin 30 are all arranged toward the direction of the mounting hole 42, so that the screws are conveniently rotated by a screwdriver to fix and connect the cables.

According to the embodiment, the protection is provided for the internal structure through the shell 10, the cable and the electric equipment are stably connected through the interface end of the male insertion core 40, the lead of the cable can enter the screw connection needle 30 through the connecting port 21 on the cover plate 20, the screw on the screw connection needle 30 can be screwed through the mounting hole 42, the lead of the cable is fixed in the screw connection needle 30, wiring connection is achieved, the cover plate 20 can be accurately and stably fixed in the male insertion core 40 through the cooperation of the first positioning part 43 and the second positioning part 22, the screw connection needle 30 placed in the slot 41 does not need to be fixed by using a headless screw, the production and the assembly are convenient, the screw connection needle 30 can be ensured to be stable in the male insertion core 40 and not shake, the screw connection needle 30 is prevented from falling off, and the connection stability of the connector is improved.

In some embodiments, the positioning device further comprises a plurality of positioning grooves 50 and positioning strips 11, wherein the positioning grooves 50 comprise an upper groove 502 and a lower groove 504, the upper groove 502 is arranged at the edge of the cover plate 20, and the lower groove 504 is arranged on the upper side wall of the male ferrule 40; the positioning strips 11 are plural, referring to fig. 4, the positioning strips 11 are disposed on the inner wall of the housing 10 and are used for sliding fit with the positioning grooves 50. The positioning strips 11 are embedded into the upper groove 502 and the lower groove 504, so that the male ferrule 40 and the cover plate 20 and the housing 10 form a stable whole, and meanwhile, the housing 10 can assist in maintaining the orientation consistency of the male ferrule 40 and the cover plate 20 in the horizontal direction, thereby avoiding unnecessary rotation of the male ferrule 40 and the cover plate 20 relative to the housing 10 and improving the stability of the connector. Preferably, the positioning grooves 50 and the positioning strips 11 are arranged in a central symmetry manner, so that the assembly is convenient at any relative positions, and the stability is further improved.

In some embodiments, the mounting hole 42 is U-shaped in shape. The U-shaped structure of the mounting hole 42 enables a small amount of avoidance to be added to the periphery of the screw, so that a sufficient space is reserved at the screw of the screw connecting needle 30, and an operator can conveniently rotate the screw of the screw connecting needle 30.

The cable sealing device further comprises a first sealing ring 52 and a second sealing ring 53, wherein the first sealing ring 52 is arranged on the inner side of the upper end of the shell 10 and is positioned between the cable and the inner wall of the shell 10; the male ferrule 40 further includes a sealing groove, the sealing groove is disposed below the mounting hole 42, and the second sealing ring 53 is disposed in the sealing groove and located between the outer wall of the male ferrule 40 and the inner wall of the housing 10. Through the cooperation of the first sealing ring 52 and the second sealing ring 53, the upper portion of the male ferrule 40 and the cover plate 20 are isolated from the external space, namely, the electric connection position of the screw connection needle 30 and the cable wire is isolated from the external space, so that the effective waterproof and dustproof functions of the connector are ensured, the water inlet short circuit is avoided, or the metal is oxidized under special environments such as humidity and acidity, and the service life and the electric conduction stability are improved.

In a common wiring connector, the housing 10 is generally formed by a plurality of parts, so that wiring is assembled conveniently, parts can be replaced in a later-stage targeted mode, and the utilization rate is improved, preferably, the housing 10 fixing assembly comprises a connecting cap 101, a protective housing 102 and a male connector 103, a series of cuts are arranged at the upper end of the protective housing 102, the connecting cap 101 is connected with the upper end of the protective housing 102, and the upper end of the protective housing 102 is extruded in the connecting process to fix a cable; one end of the male connector 103 is connected to the lower end of the male ferrule 40, and the other end thereof is used for connecting to an external device. The above components are detachably connected, for example, by snap connection, thermal adhesion, or fastening by means of an external clip component, and in order to achieve both convenience and fastening, in some embodiments, the connector further includes a connection adjuster 104, where the connection adjuster 104 is disposed between the protective housing 102 and the male connector 103 and is connected to the lower end of the protective housing 102. The connection adjusting member 104 may be a connection nut, which is used to adjust the position of the male connector 103, so as to facilitate assembly. Further, the connection modes of the protective housing 102 and the connection cap 101, the connection adjusting member 104 and the male ferrule 40 and the male connector 103 are threaded, so that connection and disassembly are convenient, and connection stability can be ensured.

In some embodiments, a logo 54 is further included, and the logo 54 is disposed on the upper surface of the cover plate 20. The identifier 54 may be a letter or a number for distinguishing a plurality of the screw connection pins 30 for easy use and identification.

In some embodiments, the outer side wall of the fixing component of the housing 10 is further provided with an anti-slip portion 55, and the anti-slip portion 55 may be a rubber pad, a rubber ring, or the like, or may be provided with a groove or a protruding strip to achieve an anti-slip effect.

It should be noted that, although the foregoing embodiments have been described herein, the scope of the present utility model is not limited thereby. Therefore, based on the innovative concepts of the present utility model, alterations and modifications to the embodiments described herein, or equivalent structures or equivalent flow transformations made by the present description and drawings, apply the above technical solutions directly or indirectly to other relevant technical fields, all of which are included in the scope of protection of the present patent.

Claims (10)

1. A screw type connector, characterized in that: comprises a shell, a cover plate arranged in the shell, a screw connecting needle and a male ferrule;

the male insertion core comprises a slot, a mounting hole and a first positioning part, wherein the slot is arranged at the upper part of the male insertion core and is used for accommodating the screw connecting pin; the mounting hole is formed in the upper side wall of the male ferrule, and the first positioning part is formed in the upper surface of the male ferrule;

the cover plate comprises a connecting port and a second positioning part, the second positioning part is arranged on the lower surface of the cover plate, the cover plate is arranged on the male ferrule through the positioning of the second positioning part and the first positioning part, and the connecting port is arranged right above the screw connecting needle.

2. A screw type connector according to claim 1, wherein: the first positioning part is provided with a plurality of through holes, the second positioning part is provided with a plurality of structural columns with the same quantity as the through holes, and the inner diameter of the through holes is matched with the size of the structural columns.

3. A screw type connector according to claim 1, wherein: the positioning grooves comprise an upper groove and a lower groove, the upper groove is arranged at the edge of the cover plate, and the lower groove is arranged on the side wall of the upper part of the male ferrule; the positioning strips are arranged on the inner wall of the shell and are used for being in sliding fit with the positioning grooves.

4. A screw type connector according to claim 3, wherein: the positioning grooves and the positioning strips are arranged in a central symmetry mode.

5. A screw type connector according to claim 1, wherein: the shape of the mounting hole is U-shaped.

6. A screw type connector according to claim 1, wherein: the cable is characterized by further comprising a first sealing ring and a second sealing ring, wherein the first sealing ring is arranged on the inner side of the upper end of the shell and is positioned between the cable and the inner wall of the shell; the male ferrule further comprises a sealing groove, the sealing groove is arranged below the mounting hole, and the second sealing ring is arranged in the sealing groove and located between the outer wall of the male ferrule and the inner wall of the shell.

7. A screw type connector according to claim 1, wherein: the shell fixing assembly comprises a connecting cap, a protective shell and a male plug connector, wherein a series of cuts are formed in the upper end of the protective shell, and the connecting cap is connected with the upper end of the protective shell and extrudes the upper end of the protective shell in the connecting process to fix a cable; one end of the male plug connector is connected with the lower end of the male plug core, and the other end of the male plug connector is used for being connected with external equipment.

8. A screw type connector according to claim 7, wherein: the connector is characterized by further comprising a connection adjusting piece, wherein the connection adjusting piece is arranged between the protective shell and the male plug connector and is connected with the lower end of the protective shell.

9. A screw type connector according to any one of claims 1 to 8, wherein: the cover plate is characterized by further comprising a mark, wherein the mark is arranged on the upper surface of the cover plate.

10. A screw type connector according to any one of claims 1 to 8, wherein: and an anti-skid part is further arranged on the outer side wall of the shell fixing assembly.