CN214378977U

CN214378977U - Gear sleeve

Info

Publication number: CN214378977U
Application number: CN202120849098.3U
Authority: CN
Inventors: 蒋芳芳; 唐继; 李圣强; 马波; 赵冬
Original assignee: Sichuan Huafeng Technology Co Ltd
Current assignee: Sichuan Huafeng Enterprise Group Co; Sichuan Huafeng Technology Co Ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-10-08
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a gear sleeve, including outer arm, inner arm and splice bar, the inner arm is including having the open-ended support ring, and the last surface mounting of support ring has a plurality of last tooth arms that are circumference interval distribution, and the lower surface mounting of support ring has a plurality of lower tooth arms that are circumference interval distribution, and the outer arm passes through the splice bar with the inner arm to be connected, and the splice bar is connected with the lateral wall of support ring. The utility model has the advantages that: the elastic tooth sleeve has elasticity, can realize the quick installation and the disassembly of the contact element, does not need special tools in the disassembly mode, and is not easy to damage the tooth sleeve in the disassembly process, thereby enabling the tooth sleeve to be repeatedly utilized for many times.

Description

Gear sleeve

Technical Field

The utility model relates to a dismouting, especially a tooth cover of contact.

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 element, but the mounting plate of the structure has a complex structure and increases design and manufacturing costs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a tooth cover of easy dismounting and repeatedly usable.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a gear sleeve, includes outer arm, inner arm and splice bar, and the inner arm is including having the open-ended support ring, and the last surface mounting of support ring has a plurality of last tooth arms that are circumference interval distribution, and the lower surface mounting of support ring has a plurality of lower tooth arms that are circumference interval distribution, and outer arm passes through the splice bar with the inner arm to be connected, and the splice bar is connected with the lateral wall of support ring.

Optionally, the outer side walls at two ends of the outer arm in the circumferential direction are provided with clamping teeth.

Optionally, grooves are axially formed in both axial end faces of the outer arm.

Optionally, the outer arm is provided with a convex tooth on the outer side of the end surface close to the upper tooth arm.

Optionally, the plane where the central axis of the groove 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 convex teeth and the number of the latch teeth are two, the two convex teeth are symmetrical about the symmetry plane, and the two latch teeth are symmetrical about the symmetry plane.

Optionally, an inclined plane and a step surface are arranged on the side wall of the groove in the radial direction, 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.

Optionally, the upper end of the upper toothed arm snaps radially inward.

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

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

The utility model has the advantages of it is following: the utility model discloses a tooth cover has elasticity, can realize the quick installation and the dismantlement of contact, and should dismantle the mode and do not need purpose-made instrument, and it is not fragile to dismantle in-process tooth cover to make tooth cover can a lot of reuse.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

fig. 3 is a third schematic structural view of the present invention;

FIG. 4 is a schematic view of the structure A-A in FIG. 3;

in the figure, 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-groove, 115-latch, 116-connecting rib, 117-inclined plane and 118-step.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as 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, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments 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 and 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", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, 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, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, 2 and 3, a gear sleeve comprises an outer arm 111, an inner arm 101 and a connecting rib 116, wherein the outer arm 111, the inner arm 101 and the connecting rib 116 are all made of plastic, the inner arm 101 comprises a support ring 103 with an opening 106, preferably, the support ring 103 is a circular ring with an opening 106, a plurality of upper toothed arms 104 distributed at intervals circumferentially are mounted on the upper surface of the support ring 103, a plurality of lower toothed arms 105 distributed at intervals circumferentially are mounted on the lower surface of the support ring 103, preferably, the upper toothed arms 104 and the lower toothed arms 105 are uniformly arranged on the lower toothed 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 the outer side wall of the support ring 103, the support ring 103 connected with the connecting rib 116 has certain structural strength and is not easy to bend, the support ring 103 without the connecting rib 116 has certain elasticity, the support ring 103 can be bent from the opening 106 to two sides, therefore, the shape of the inner arm 101 is changed, so that the inner arm 101 can be conveniently inserted into a mounting plate, when the inner arm 101 loses external force, the inner arm 101 can restore to the initial state, and when the inner arm 101 is squeezed, the inner arm 101 can be compressed and deformed, so that a 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 is ensured.

In the present embodiment, as shown in fig. 1 and 2, 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 when being mounted.

In this embodiment, as shown in fig. 1 and fig. 2, 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 matched with the cylinder of the mounting plate, 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. 1 and 2, the outer arm 111 has two axial end faces each having a groove 114, and further, as shown in fig. 4, the groove 114 has a slope 117 and a step 118 on a side wall in a radial direction, one end of the slope 117 is flush with the support ring 103, the other end of the slope 117 is connected to the step 118, the slope 117 is convenient for a leveling tool to extend into, and the leveling can slide along the slope 117, so as to avoid the groove 114 from being damaged, when the gear sleeve and the mounting plate are mounted, a cavity is formed between the groove 114 of the gear sleeve and the mounting plate, and a corresponding notch is formed on the mounting plate, so that the cavity can be leaked out, when the gear sleeve needs to be dismounted, a straight screwdriver enters from the groove 114 to directly press the gear sleeve outwards, so that the dismounting manner of the gear sleeve 4 is simple, no special tool is needed, and the dismounting manner is simple, one step is completed.

In this embodiment, the plane of the central axis of the groove 114 and the plane of the central axis of the opening 106 are symmetry planes, the outer arm 111 is symmetric about the symmetry plane, the two teeth 113 and the two latches 115 are both symmetric about the symmetry plane, and the two teeth 113 and the two latches 115 are symmetric about the symmetry plane.

In this embodiment, as shown in fig. 1 and 2, the end 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, and 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 towards 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. 1 and 2, the upper end portion of the upper tooth arm 104 is radially inwardly buckled to grip the contact member, and further, the lower end portion of the lower tooth arm 105 is radially outwardly turned.

In the present embodiment, as shown in fig. 1 and 2, the upper tooth arm 104 and the lower tooth arm 105 at the notch 114 are provided with the notch 102, that is, the upper tooth arm 104 and the lower tooth arm 105 are not provided on the support ring 103 at the notch 114, so that when a tooth sheath is pressed, a tool does not interfere with the upper tooth arm 104 or the lower tooth arm 105, thereby avoiding the rack from being pressed down, and therefore, the pressed tooth sheath can be repeatedly used for many times.

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 or portions thereof without departing from the spirit and scope of the invention.

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 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.

2. A gear sleeve according to claim 1, wherein: and the outer side walls at two ends of the outer arm in the circumferential direction are provided with clamping teeth.

3. A gear sleeve according to claim 2, wherein: grooves are axially formed in the two axial end faces of the outer arm.

4. A gear sleeve according to claim 3, wherein: and convex teeth are further arranged on the outer arm and close to the outer side of the end face of the upper tooth arm.

5. A gear sleeve according to claim 4, wherein: the plane of the central axis of the groove and the plane of the central axis of the opening are symmetrical planes, the outer arm is symmetrical about the symmetrical planes, the number of the convex teeth is two, and the number of the clamping teeth is two.

6. A gear sleeve according to claim 3, wherein: an inclined plane and a step surface are arranged on the side wall of the groove in the radial direction, 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.

7. 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.

8. A gear sleeve according to claim 1, wherein: the upper end part of the upper gear arm is radially buckled inwards.

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

10. A gear sleeve according to claim 3, wherein: the upper gear arm and the lower gear arm which are positioned at the groove are provided with notches.