CN113161798B

CN113161798B - Gear sleeve and contact component

Info

Publication number: CN113161798B
Application number: CN202110443892.2A
Authority: CN
Inventors: 唐继; 蒋芳芳; 李圣强; 马波; 张光杨; 吴磊
Original assignee: Sichuan Huafeng Technology Co Ltd
Current assignee: Sichuan Huafeng Technology Co Ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2022-11-11
Anticipated expiration: 2041-04-23
Also published as: CN113161798A

Abstract

The invention discloses a contact element assembly, which comprises a mounting plate, a contact element and a gear sleeve, wherein the mounting plate comprises an upper cylinder body and a lower cylinder body, the upper cylinder body is connected with the lower cylinder body, a radial convex ring is arranged on the lower cylinder body, the convex ring is close to the upper cylinder body, one end, close to the convex ring, of the lower cylinder body is provided with a window, the radian of the window is a minor arc, the lower cylinder body, positioned at the window, is provided with a radial outward-expanding groove, two ends, close to the window, of the expanding groove are respectively provided with a clamping hole, the contact element is arranged in the mounting plate, the gear sleeve is arranged on the lower cylinder body, an outer arm is clamped at the window, an inner arm is positioned in the expanding groove, clamping teeth are matched with the clamping holes, and the upper end part of the upper gear arm tightly holds the contact element. The beneficial effects of the invention are: tooth cover easy dismounting need not specialized tool, consequently makes contact member subassembly easy dismounting to tooth cover after the dismantlement can also reuse many times, thereby has saved the consumptive material, the cost is reduced.

Description

Gear sleeve and contact component

Technical Field

The present invention relates to electrical connectors, and more particularly to a gear sleeve and a contact assembly.

Background

The installation and the disassembly of a contact element of an electric connector are always important components of the connector technology, the contact element is convenient, firm and reliable to install, and easy to disassemble and capable of being repeatedly used, and the installation and the disassembly of the contact element mainly depend on a connecting device between the contact element and an installation plate, namely a gear sleeve. The structure of the gear sleeve directly influences the installation and the disassembly of the contact piece. The existing connector basically adopts an external tooth or internal tooth structure, and the disassembly of the connector needs a matched special tool, and the service life is limited; in another common structure, elastic teeth are added on a mounting plate to replace a gear sleeve to fix a contact piece, but the mounting plate of the structure has a complex structure and increases the design and manufacturing cost.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a gear sleeve and a contact piece assembly.

The purpose of the invention is realized by the following technical scheme: the utility model provides a gear sleeve, including outer arm, inner arm and splice bar, the inner arm is including having the open-ended support ring, the last surface mounting of support ring has a plurality of last tooth arms that are circumference interval distribution, the upper end of going up the tooth arm is detained radially inwards, the lower surface mounting of support ring has a plurality of lower tooth arms that are circumference interval distribution, the outer arm passes through the splice bar with the inner arm to be connected, the splice bar is connected with the lateral wall of support ring, be provided with the latch on the lateral wall at the circumferencial direction's of outer arm both ends, the notch fluting has been seted up to equal axial on the axial both ends face of outer arm.

Optionally, the plane where the central axis of the notch and the central axis of the opening are located is a symmetry plane, the outer arm is symmetrical about the symmetry plane, the number of the latch teeth is two, and the two latch teeth are symmetrical about the symmetry plane.

Optionally, the lateral wall of the bending notch in the radial direction is provided with an inclined plane and a step surface, one end of the inclined plane is flush with the support ring, and the other end of the inclined plane is connected with the step surface.

Optionally, the connecting rib extends to the end of the lower toothed arm and fills the gap between the lower toothed arms at the outer arm.

Alternatively, the lower end of the lower toothed arm is radially everted.

Optionally, the upper tooth arm and the lower tooth arm at the notch groove are provided with notches.

Optionally, the outer arm is provided with two convex teeth on the outer side of the end surface close to the upper tooth arm, and the two convex teeth are symmetrical with respect to the symmetry plane.

The utility model provides a contact element assembly, including mounting panel and contact, still include foretell tooth cover, the mounting panel includes barrel and lower barrel, go up barrel and lower barrel and connect, be provided with the bulge loop of radial evagination on the barrel down, and the bulge loop is close to last barrel, the window has been seted up to the one end that is close to the bulge loop on the barrel down, the radian of window is the minor arc, set up the radial expanding groove that expands outward on the lower barrel that is located window department, the card hole has all been seted up at the both ends that are close to the window on the expanding groove, the contact is installed in the mounting panel, the tooth cover is installed under on the barrel, and outer arm card is in window department, the inner arm is located the expanding groove, the latch cooperates with the card hole, the upper end of going up the tooth arm holds the contact tightly.

Optionally, the expanded groove includes segmental arc and straight wall section, and the circumference both ends of segmental arc all are connected with a straight wall section, and the tip of straight wall section flushes with the tip of window, and the card hole is seted up on straight wall section, and the direction mouth has been seted up to the one end that is close to the window on the straight wall section, and the direction mouth has the inclined plane, and is close to the wall thickness thinnest of the direction mouth of window one end, and direction mouth and card hole are located same circumference.

Optionally, a groove is axially formed in the convex ring, the groove axially extends to the window, protruding teeth are arranged on two inner walls of the window in the axial direction, and the notch and the protruding teeth are overlapped with a middle vertical plane of the groove.

The invention has the following advantages: the contact component has the advantages that the gear sleeve is convenient to disassemble and assemble, a special tool is not needed, so that the contact component is convenient to disassemble and assemble, and the disassembled gear sleeve can be repeatedly utilized for multiple times, so that the material consumption is saved, and the cost is reduced.

Drawings

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

FIG. 2 is a schematic structural view of a contact member surrounded by a gear sleeve;

FIG. 3 is a first structural view of a gear sleeve;

FIG. 4 is a second structural view of the gear sleeve;

FIG. 5 is a third schematic structural view of the gear sleeve;

FIG. 6 isbase:Sub>A schematic view of the structure A-A of FIG. 5;

FIG. 7 is a first structural view of a mounting plate;

FIG. 8 is a second structural view of the mounting plate;

FIG. 9 is a third schematic view of the mounting plate;

FIG. 10 isbase:Sub>A schematic cross-sectional view A-A of FIG. 9;

FIG. 11 is a schematic half-section view of the mounting plate;

in the figure, 100-tooth sleeve, 200-mounting plate, 300-contact element, 101-inner arm, 102-notch, 103-support ring, 104-upper tooth arm, 105-lower tooth arm, 106-opening, 111-outer arm, 112-thin wall, 113-convex tooth, 114-notch groove, 115-latch, 116-connecting rib, 117-inclined plane, 118-limit step, 201-upper barrel, 202-convex ring, 203-lower barrel, 204-window, 205-latch hole, 206-guide opening, 207-bump, 208-positioning tooth, 209-groove, 210-expanded groove, 211-straight wall section, 212-key.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that the products of the present invention conventionally lay out when in use, or orientations or positional relationships that are conventionally understood by those skilled in the art, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

As shown in fig. 1 and 2, a contact assembly includes a mounting plate 200, a contact 300 and a gear sleeve 100, in this embodiment, as shown in fig. 3, 4 and 5, the gear sleeve includes an outer arm 111, an inner arm 101 and a connecting rib 116, the outer arm 111, the inner arm 101 and the connecting rib 116 are all plastic parts, the inner arm 101 includes a support ring 103 having an opening 106, preferably, the support ring 103 is a circular ring having an opening 106, a plurality of upper tooth arms 104 distributed at intervals circumferentially are mounted on an upper surface of the support ring 103, a plurality of lower tooth arms 105 distributed at intervals circumferentially are mounted on a lower surface of the support ring 103, preferably, the upper tooth arms 104 and the lower tooth arms 105 are uniformly arranged on the lower tooth arms 105 at intervals, the outer arm 111 is connected with the inner arm 101 through the connecting rib 116, the connecting rib 116 is connected with an outer side wall of the support ring 103, the support ring 103 connected with the connecting rib 116 has a certain structural strength and is not easy to bend, the support ring 103 which is not connected with the connecting rib 116 has certain elasticity, the support ring 103 can be broken from the opening 106 to two sides, so that the shape of the inner arm 101 is changed, the inner arm 101 can be inserted into the mounting plate conveniently, when the inner arm 101 loses external force, the inner arm 101 can be restored to an initial state, and after the inner arm 101 is squeezed, the inner arm 101 can be compressed and deformed, so that the contact element can be clamped, and because the support ring 103 connected with the connecting rib 116 is not deformed, the original radian is still kept, and the radian is matched with the cylinder radian of the contact element, so that the coaxiality of the contact element for mounting is ensured, in the embodiment, in order to improve the stability of the connection between the outer arm 111 and the inner arm 101, the connecting rib 116 extends to the end part of the lower tooth arm 105, and the connecting rib 116 fills up the gap between the lower tooth arms 105 at the outer arm 111, so that the structural strength of the connecting ring at the inner arm 101 is further increased, and stability of the connection between outer arm 111 and inner arm 101.

In this embodiment, as shown in fig. 3 and 4, the outer side wall of the circumferential two ends of the outer arm 111 is provided with the latch 115, the latch 115 is arranged along the circumferential direction, and the two end surfaces of the latch 115 in the circumferential direction are both wedge-shaped surfaces, so that the latch is convenient to enter and exit the positioning hole on the mounting plate 200 when being mounted.

In this embodiment, as shown in fig. 3 and 4, the outer arm 111 is further provided with a convex tooth 113 on the outer side of the end surface close to the upper tooth arm 104, the inner side wall of the convex tooth 113 has a curvature matching with the cylinder of the mounting plate 200, in actual use, the convex tooth 113 is used for positioning, and the convex tooth 113 abuts against the mounting base surface of the mounting bracket.

In this embodiment, as shown in fig. 3 and 4, both axial end faces of the outer arm 111 are axially provided with a notch 114, and further, as shown in fig. 6, a slope 117 and a step 118 are provided on a side wall of the notch 114 in the radial direction, one end of the slope 117 is flush with the support ring 103, the other end of the slope 117 is connected with the step 118, the slope 117 is convenient for a leveling tool to extend into, and the leveling can also slide along the slope 117, so that the notch 114 is prevented from being damaged, when the gear sleeve 100 is installed with the mounting plate 200, a cavity is formed between the notch 114 of the gear sleeve 100 and the mounting plate 200, and a notch is correspondingly formed on the mounting plate 200, so that the cavity can be leaked out, when the gear sleeve 100 needs to be disassembled, a straight screwdriver is used to enter from the notch 114, and the gear sleeve 100 can be directly forced outwards downwards, so that the disassembling manner of the gear sleeve 1004 is simple, no special tool is needed, and the disassembling manner is simple and is further in place.

In this embodiment, a plane where the central axis of the notch 114 and the central axis of the opening 106 are located is a symmetry plane, the outer arm 111 is symmetric about the symmetry plane, the number of the protruding teeth 113 and the number of the latch teeth 115 are two, the two protruding teeth 113 are symmetric about the symmetry plane, and the two latch teeth 115 are symmetric about the symmetry plane.

In the present embodiment, as shown in fig. 3 and 4, the end portion of the outer arm 111 in the circumferential direction is a thin wall 112, the latch 115 is mounted on the corresponding thin wall 112, due to the existence of the thin wall 112, when the inner arm 101 deforms, the outer arm 111 at the thin wall 112 also slightly deforms, so that the latch 115 can enter and exit conveniently, and a gap is formed between the thin wall 112 and the upper latch arm 104, and the latch 115 is arranged in the direction of the upper latch arm 104, so that when the latch 115 is stressed, the thin wall 112 at the latch 115 is more easily deformed.

In the present embodiment, as shown in fig. 3 and 4, the upper end portion of the upper tooth arm 104 is radially inwardly buckled to grip the contact member 300, and further, the lower end portion of the lower tooth arm 105 is radially outwardly turned.

In this embodiment, as shown in fig. 3 and 4, both the upper arm 104 and the lower arm 105 at the notch 114 are provided with the notch 102, that is, the upper arm 104 and the lower arm 105 are not provided on the support ring 103 at the notch 114, so that when the tooth sleeve 100 is pressed down, a tool does not interfere with the upper arm 104 or the lower arm 105, thereby avoiding the rack from being pressed down, and therefore, the pressed tooth sleeve 100 can be reused for multiple times.

In this embodiment, as shown in fig. 7, 8 and 9, the mounting plate 200 includes an upper cylinder 201 and a lower cylinder 203, the upper cylinder 201 is connected to the lower cylinder 203, the lower cylinder 203 is provided with a radially outward protruding collar 202, the collar 202 is close to the upper cylinder 201, one end of the lower cylinder 203 close to the collar 202 is provided with a window 204, an arc of the window 204 is a minor arc, the lower cylinder 203 at the window 204 is provided with a radially outward extending enlarged groove 210, both ends of the enlarged groove 210 close to the window 204 are provided with clamping holes 205, when the gear sleeve 100 is mounted, the contact member 300 is mounted in the mounting plate 200, the gear sleeve 100 is mounted on the lower cylinder, the outer arm is clamped at the window, the inner arm 101 is located in the enlarged groove 210, the clamping teeth 115 are matched with the clamping holes 205, the upper end of the upper gear arm 104 tightly holds the contact member 300, during installation, the contact element 300 is installed in the installation plate 200, the contact element 300 can be axially positioned primarily through the kidney-shaped drum sleeve, a gap for installing the gear sleeve 100 is formed between the contact element 300 and the expanded groove 210, then the inner arm 101 is broken off, two ends of the inner arm 101 are inserted into the expanded groove 210 from a window, the upper end portion of the upper gear arm 104 is of an inner buckling structure in the inserting process of the inner arm 101, the inner buckling structure is in contact with the outer circumference of the contact element 300 at the moment, the contact element 300 is provided with a limiting step, the end face of the inner buckling structure is in contact with the limiting step, after the clamping teeth are clamped into the corresponding clamping holes 205, the gear sleeve 100 is installed in place, the inner buckling structure of the upper gear arm tightly holds the contact element 300 at the moment, and the contact element 300 is prevented from moving axially in the inserting process.

In this embodiment, as shown in fig. 10 and 11, the expanded groove 210 includes an arc-shaped section and a straight-wall section 211, both circumferential ends of the arc-shaped section are connected with the straight-wall section 211, an end of the straight-wall section 211 is flush with an end of the window 204, the catch hole 205 is formed in the straight-wall section 211, preferably, an arc degree of the arc-shaped section is 180 °, the straight-wall section 211 facilitates insertion of the insertion end of the tooth sleeve 100, in order to facilitate insertion of the catch tooth 115, a guide opening 206 is formed in one end of the straight-wall section 211, which is close to the window 204, the guide opening 206 has an inclined surface, the wall thickness of the guide opening 206, which is close to one end of the window 204, is the thinnest, and the guide opening 206 and the catch hole 205 are located on the same circumference, so that after the catch tooth 115 enters the guide opening 206, the catch tooth 115 moves along with the inclined surface, so that the catch tooth 115 is convenient to insert.

In this embodiment, a groove 209 is axially formed in the collar 202, the groove 209 axially extends to the window 204, further, protruding teeth 208 are formed on two inner walls of the window 204 in the axial direction, the protruding teeth 208 coincide with a perpendicular plane of the groove 209, the groove 209 enables a bent opening of the gear sleeve 100 to leak out, the gear sleeve 100 can be inserted into the bent opening from the groove 209 through a flat-head tool, then the protruding teeth 208 serve as fulcrums, so that the gear sleeve 100 on the mounting plate 200 is bent open, for the convenience of bending open the gear sleeve 100, a wedge-shaped surface is arranged on a supporting surface of the protruding teeth 208, and thus, the tool can be obliquely inserted into the bent opening.

In the present embodiment, the two guide openings 206, the two snap holes 205 and the window 204 are symmetrical about the groove 209, so as to facilitate the processing of the mounting plate 200, further, the perpendicular plane of the notch 114 and the protruding tooth 208 coincides with the perpendicular plane of the groove 209, when the gear sleeve is mounted, the protruding tooth 208 is located in the notch 114, and a space for inserting a flat head tool is provided between the protruding tooth 208 and the notch 114.

In this embodiment, the protruding ring 202 is further provided with a protrusion 207, an angle between the protrusion 207 and the groove 209 is 180 °, and the protrusion 207 is matched with a notch formed on the mounting base surface of the mounting bracket 2 to limit the mounting plate 200 from moving upwards.

In this embodiment, a radially protruding key 212 is provided on the outer side wall of the upper barrel 201 to play a role in positioning when the connectors are plugged.

The disassembly and assembly process of the invention is as follows: when the contact element 300 is installed, the contact element 300 is installed in the installation plate 200, at this time, the contact element 300 can realize primary axial positioning through the kidney-shaped drum sleeve, then the inner arm 101 of the gear sleeve 100 is broken off from the opening, so that the inner arm 101 has elastic restoring force, then the end part of the inner arm 101 is inserted into the expanded groove 210 from the window, as a space for circumferential movement of the inner arm 101 is formed between the expanded groove 210 and the contact element 300, the inner arm 101 is convenient to insert, and as the inner arm 101 has elastic restoring force, the inner arm 101 always has a tendency of embracing the contact element 300 in the insertion process, as the inner arm 101 is inserted, the latch 115 enters the straight wall section part from the guide port 206, and is pressed downwards forcibly, so that the two latch teeth 115 enter the corresponding latch holes 205, after the gear sleeve 100 is installed, the gear sleeve 100 is pressed by the expanded groove 210, so that the inner fastening structure at the upper end part of the upper gear arm 104 tightly embraces the contact element 300, thereby increasing the installation stability of the contact element 300, and avoiding axial movement of the contact element 300 in the insertion process; during the dismantlement, insert from the flat head instrument from stubborn fluting 114, then up stubborn hard, latch 115 then withdraws from calorie hole 205 to go out stubborn cover 100, therefore 100 dismouting modes of cover gear are simple, thereby make contact 300 easy dismounting, need not specialized tool, and cover gear 100 after the dismantlement can reuse many times, thereby practices thrift manufacturing cost.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.

Claims

1. A gear sleeve, characterized in that: including outer arm, inner arm and splice bar, the inner arm is including having the open-ended support ring, the last surface mounting of support ring has a plurality of last tooth arms that are circumference interval distribution, the upper end of going up the tooth arm is detained radially in, the lower surface mounting of support ring has a plurality of lower tooth arms that are circumference interval distribution, outer arm with the inner arm passes through the splice bar is connected, the splice bar with the lateral wall of support ring is connected, be provided with the latch on the lateral wall at the circumferencial direction's of outer arm both ends, the strongbush fluting has been seted up to equal axial on the axial both ends face of outer arm.

2. A gear sleeve according to claim 1, wherein: the notched axis of stubbon with open-ended axis place plane is the plane of symmetry, the outer arm is about the plane of symmetry is symmetrical, the latch is two, and two the latch is about the plane of symmetry is symmetrical.

3. A gear sleeve according to claim 1, wherein: the stubborn fluting is provided with inclined plane and step face on radial direction's lateral wall, the one end on inclined plane with the support ring flushes, the other end on inclined plane with the step face is connected.

4. A gear sleeve according to claim 1, wherein: the connecting ribs extend to the ends of the lower tooth arms, and the connecting ribs fill the gaps between the lower tooth arms at the outer arms.

5. A gear sleeve according to claim 1, wherein: the lower end of the lower tooth arm is turned outwards radially.

6. A gear sleeve according to claim 1, wherein: the upper tooth arm and the lower tooth arm which are positioned at the notch groove are provided with notches.

7. A gear sleeve according to claim 2, wherein: the outer arm is provided with two convex teeth on the outer side of the end face close to the upper tooth arm, and the two convex teeth are symmetrical relative to the symmetrical plane.

8. A contact assembly, comprising: the gear sleeve comprises a mounting plate and a contact element and further comprises the gear sleeve according to any one of claims 1 to 7, wherein the mounting plate comprises an upper barrel body and a lower barrel body, the upper barrel body is connected with the lower barrel body, a radially outward protruding convex ring is arranged on the lower barrel body and is close to the upper barrel body, a window is formed in one end, close to the convex ring, of the lower barrel body, the radian of the window is a minor arc, a radially outward-expanding expansion groove is formed in the lower barrel body, which is located at the window, two ends, close to the window, of the expansion groove are provided with clamping holes, the contact element is mounted in the mounting plate, the gear sleeve is mounted on the lower barrel body, the outer arm is clamped at the window, the inner arm is located in the expansion groove, the clamping teeth are matched with the clamping holes, and the upper end of the upper gear arm holds the contact element tightly.

9. The contact assembly of claim 8, wherein: the flaring includes segmental arc and straight wall section, the circumference both ends of segmental arc all are connected with straight wall section, the tip of straight wall section flushes with the tip of window, the card hole is seted up on the straight wall section, the guide port has been seted up to the one end that is close to the window on the straight wall section, and the guide port has the inclined plane, and is close to the thinnest wall thickness of the guide port of window one end, the guide port with the card hole site is on same circumference.

10. The contact assembly of claim 9, wherein: the convex ring is axially provided with a groove, the groove axially extends to the window, protruding teeth are arranged on two inner walls of the window in the axial direction, and the bending groove and the protruding teeth are overlapped with a middle vertical plane of the groove.