CN113725649A - A guiding mechanism for installation of elasticity collet - Google Patents

Abstract

The utility model provides a guiding mechanism for installation of elasticity collet, relates to the electric connector field, and this elasticity collet is whole to be the tube-shape, and its lateral wall is provided with the logical groove that runs through. The guide mechanism comprises a guide column, the guide column comprises an expanding section and a transition section, the expanding section is arranged at one end of the transition section, the expanding section and the transition section are in smooth transition, and the diameter of the expanding section is gradually reduced along the direction far away from the transition section; the side wall of the transition section is convexly provided with a clamping part, and the tail end of the transition end is provided with a conical horn hole. When the elastic sleeve clamp is used, the transition section is in butt joint with the contact element, the conical horn hole at the tail end of the transition end is convenient for the contact element in a pin inserting mode to be installed, the elastic sleeve clamp is sleeved in from the diameter expanding section, the through groove of the elastic sleeve clamp is enlarged along with the expanding width of the diameter expanding end, and the clamping part can enable the elastic sleeve clamp to be more conveniently sleeved on the contact element through the through groove. Compared with the traditional mode, the guide mechanism can improve the installation efficiency and accuracy of the elastic collet, and reduce the possibility of deformation in the installation process of the elastic collet.

Description

A guiding mechanism for installation of elasticity collet

Technical Field

The invention relates to the field of electric connectors, in particular to a guide mechanism for installing an elastic sleeve clamp.

Background

The contacts are an important part of the electrical connector, which is directly related to the connection performance of the electrical connector. In an electrical connector structure, an elastic clip is required to be sleeved on an outer side of a contact element, and the elastic sheet on the elastic clip is used to prevent connection from dropping and increase connection stability.

In the prior art, the installation of the elastic collet is troublesome, and in order to fix the elastic collet, an annular groove is usually formed in the surface of the contact element to accommodate the elastic collet. Meanwhile, in order to improve the tightness of the fit, the inner diameter of the elastic collet is usually set by matching the diameter of the groove bottom of the groove, that is, the elastic collet needs to be installed in the groove, and the elastic collet needs to be expanded first. In the whole operation process, an operator clamps the elastic sleeve clamp by using tweezers and then sleeves the elastic sleeve clamp onto the contact element. Because the contact piece is small in size, the length is about 10-30 mm generally, the diameter is about 0.5-3.5 mm, and the fine structure brings about not little trouble for operating personnel, and not only the installation is aimed at difficultly, but also the situation that the elastic collet chuck deforms and the contact piece is bent can exist with a little force.

Disclosure of Invention

The invention aims to provide a guide mechanism for installing an elastic collet, which is novel in structure and convenient to operate, can play a role in guiding in the process of installing the elastic collet and realizes quick installation of the elastic collet.

The embodiment of the invention is realized by the following steps:

a guide mechanism for mounting an elastic collet is cylindrical, a through groove is formed in the side wall of the elastic collet, one end of the through groove in the length direction of the elastic collet extends to the other end of the through groove, the guide mechanism comprises a guide post, the guide post comprises an expanding section and a transition section, and a conical horn hole is formed in the tail end of the transition end; the diameter expanding section is arranged at one end of the transition section, the diameter expanding section and the transition section are in smooth transition, and the diameter of the diameter expanding section is gradually reduced along the direction far away from the transition section; the side wall of the transition section is convexly provided with a clamping part, the whole clamping part is in a sheet shape, and the clamping part is arranged on a plane passing through the axis of the diameter expanding section.

Further, in other preferred embodiments of the present invention, the thickness of the clamping portion is smaller than or slightly larger than the width of the through slot.

Further, in other preferred embodiments of the present invention, the clamping portion includes a first side surface and a second side surface located at both sides of the clamping portion in the length direction, and a first inclined surface and a second inclined surface are respectively connected to the first side surface and the second side surface at one side close to the diameter expanding section; along the direction of being close to the hole enlargement section, first inclined plane and second inclined plane draw close to each other and meet and form the bead.

Further, in other preferred embodiments of the present invention, the ribs are disposed along the diameter of the transition section.

Further, in other preferred embodiments of the present invention, the rib is aligned with the junction of the transition section and the expanded diameter section.

Further, in other preferred embodiments of the present invention, the clamping portion is provided with a mounting hole, and the mounting hole penetrates through the clamping portion in a thickness direction of the clamping portion.

Further, in other preferred embodiments of the present invention, the number of the mounting holes is plural, and the plural mounting holes are arranged at intervals along the length direction of the clamping portion.

Further, in other preferred embodiments of the present invention, the transition section has a diameter slightly larger than the inner diameter of the elastic collet.

Further, in another preferred embodiment of the present invention, the guiding mechanism includes a plurality of guiding posts, and a clamping member for fixing the plurality of guiding posts, the clamping member is provided with a fitting hole for fitting in the mounting hole, and the clamping member and the plurality of guiding posts can be fixedly connected by a pin penetrating through the mounting hole and the fitting hole.

Further, in other preferred embodiments of the present invention, the plurality of guide posts are disposed at equal intervals along the length direction of the plug pin.

The embodiment of the invention has the beneficial effects that:

the embodiment of the invention provides a guide mechanism for installing an elastic collet, which is integrally cylindrical, wherein a through groove is formed in the side wall of the elastic collet, and the through groove extends to the other end along one end of the length direction of the elastic collet. The guide mechanism comprises a guide column, the guide column comprises an expanding section and a transition section, and the tail end of the transition end is provided with a conical horn hole; the diameter expanding section is arranged at one end of the transition section, the diameter expanding section and the transition section are in smooth transition, and the diameter of the diameter expanding section is gradually reduced along the direction far away from the transition section; the side wall of the transition section is convexly provided with a clamping part, the whole clamping part is in a sheet shape, and the clamping part is arranged on a plane passing through the axis of the diameter expanding section. When the elastic collet is used, the transition section is in butt joint with the contact element, the elastic collet is sleeved in the diameter expanding section, the diameter expanding section can expand the elastic collet for the first time in the sleeving process, the through groove of the elastic collet is enlarged along with the expanding width of the diameter expanding end, and the clamping part can enable the elastic collet to be more conveniently sleeved on the contact element through the through groove.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a guide mechanism for mounting an elastic collet according to an embodiment of the present invention;

FIG. 2 is a schematic view of an elastic collet according to an embodiment of the present invention;

FIG. 3 is a schematic view of a contact provided in accordance with an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a guide mechanism for resilient colleting installation provided in accordance with an embodiment of the present invention;

fig. 5 is an assembly diagram of a guiding mechanism for mounting an elastic collet, the elastic collet, and a contact according to an embodiment of the present invention.

Icon: 100-a guide mechanism; 110-a guide post; 111-expanding section; 112-a transition section; 113-a conical flare; 120-a clamping portion; 121-a first side; 122 — a first bevel; 123-ribs; 124-mounting holes; 200-elastic collets; 210-a through slot; 220-trimming; 300-contact.

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 described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present 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. Thus, the following detailed description of the embodiments of the present invention, 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the term "first" is used for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as a "first" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The present embodiment provides a guiding mechanism 100 for installing an elastic collet 200, as shown in fig. 1 and fig. 2, the elastic collet 200 is generally cylindrical, a through groove 210 is formed in a sidewall of the elastic collet 200, the through groove 210 extends from one end to the other end of the elastic collet 200 along a length direction, and the elastic collet 200 has a better expansion performance due to the existence of the through groove 210, and can be more conveniently sleeved on a contact 300 (shown in fig. 3) after being expanded.

As shown in fig. 1 and 4, the guiding mechanism 100 includes a guiding column 110, the guiding column 110 includes an expanding section 111 and a transition section 112, and a tapered trumpet hole 113 is formed at the tail end of the transition end; the expanding section 111 is arranged at one end of the transition section 112, the expanding section 111 and the transition section 112 are in smooth transition, and the diameter of the expanding section 111 is gradually reduced along the direction far away from the transition section 112; the side wall of the transition section 112 is convexly provided with a clamping part 120, the clamping part 120 is integrally in a sheet shape, and the clamping part 120 is arranged on a plane passing through the axis of the diameter expanding section 111. When the elastic collet 200 is used, as shown in fig. 5, the transition section 112 is in butt joint with the contact element 300, and then the elastic collet 200 is sleeved by the expanding section 111, in the process of sleeving, the expanding section 111 can expand the elastic collet 200, the through groove 210 of the elastic collet 200 is expanded along with the expanding width of the expanding section 111, and the clamping part 120 can pass through the through groove 210, so that the elastic collet 200 is more conveniently sleeved on the contact element 300, compared with the traditional mode, the installation efficiency and accuracy of the elastic collet 200 can be improved by adopting the guide mechanism 100, and the possibility of deformation of the elastic collet 200 in the installation process can be reduced.

Further, the thickness of the clamping part 120 may be less than or slightly greater than the width of the through groove 210. With this arrangement, the clip 120 can maintain a certain rigidity.

Further, as shown in fig. 1, the clamping portion 120 includes a first side surface 121 and a second side surface (not shown) located at both sides in the length direction thereof, and the first side surface 121 and the second side surface are respectively connected with a first inclined surface 122 and a second inclined surface (not shown) at a side close to the diameter expanding section 111; along the direction close to the expanding section 111, the first inclined surface 122 and the second inclined surface are close to each other and meet to form a rib 123, and the rib 123 is arranged along the diameter direction of the transition section 112. The design of the protruding ribs 123 allows the clamping portion 120 to be better inserted into the through groove 210, so that the through groove 210 can pass smoothly.

The diameter of the transition section 112 is slightly larger than the inner diameter of the elastic collet 200, and the rib 123 is aligned with the connection of the transition section 112 and the expanding section 111. Under the design, the expanding section 111 and the clamping part 120 can form two continuous expanding on the elastic collet 200, so that the whole process transition is smoother.

Further, the clamping portion 120 is provided with a mounting hole 124, and the mounting hole 124 penetrates the clamping portion 120 in the thickness direction of the clamping portion 120. Through the mounting hole 124, the guiding mechanism 100 can be fixed on a specific fixture by using a pin shaft, and the driving device is used for driving the guiding mechanism 100 to be inserted along the axial direction of the elastic collet 200, so that the manual operation is further replaced by mechanical operation, and time and labor are saved. If the mounting hole 124 is not provided, the clamping portion 120 may be fixed in another manner.

The number of the mounting holes 124 is plural, and the plural mounting holes 124 are provided at intervals along the longitudinal direction of the clamping portion 120. When single-hole fixation is used, if the fixation is not firm, the guide mechanism 100 may rotate around the pin. The addition of the fixing point through the plurality of mounting holes 124 can effectively limit the rotation, thereby ensuring the stability of the moving direction of the guide mechanism 100 during the mounting process.

Alternatively, the guiding mechanism 100 includes a plurality of guiding posts 110, and a clamping member (not shown) for fixing the plurality of guiding posts 110, the clamping member is provided with a matching hole for matching with the mounting hole 124, and the clamping member and the plurality of guiding posts 110 can be fixedly connected through a pin penetrating through the mounting hole 124 and the matching hole. In the prior art, the elastic collets 200 are usually produced in the form of a strip, that is, a plurality of elastic collets 200 are fixed on a pair of elongated trimmings 220 at intervals, and the common method requires that the elastic collets 200 are detached from the trimmings 220 by using tweezers and then individually mounted. By using the clamping member and the guide posts 110 in cooperation, the elastic collet 200 can be simultaneously installed on the plurality of contacts 300 without detaching the elastic collet 200 from the trim 220, thereby improving the production efficiency. Further, in order to match the arrangement mode of the plurality of elastic collets 200 on the belt material at equal intervals, the plurality of guide posts 110 are arranged at equal intervals along the length direction of the plug pin, so that the plurality of elastic collets 200 can correspond to the plurality of guide posts 110 one to one.

In particular, the above-described mounting method is only one preferred processing mode provided in the present embodiment, and in actual use, the elastic collet 200 may be removed from the trim 220 and the elastic collet 200 of the contact 300 may be mounted by using a holder.

In summary, the embodiment of the present invention provides a guiding mechanism 100 for installing an elastic collet 200, the elastic collet 200 is generally cylindrical, a through groove 210 is formed on a sidewall of the elastic collet 200, and one end of the through groove 210 extends to the other end along a length direction of the elastic collet 200. The guide mechanism 100 comprises a guide post 110, wherein the guide post 110 comprises an expanding diameter section 111 and a transition section 112, and the tail end of the transition end is provided with a conical flared hole 113. The expanding section 111 is arranged at one end of the transition section 112, the expanding section 111 and the transition section 112 are in smooth transition, and the diameter of the expanding section 111 is gradually reduced along the direction far away from the transition section 112; the side wall of the transition section 112 is convexly provided with a clamping part 120, the clamping part 120 is integrally in a sheet shape, and the clamping part 120 is arranged on a plane passing through the axis of the diameter expanding section 111. When the elastic collet 200 is used, the transition section 112 is in butt joint with the contact element 300, the elastic collet 200 is sleeved by the diameter expansion section 111, the diameter expansion section 111 can expand the elastic collet 200 for the first time in the sleeving process, the through groove 210 of the elastic collet 200 is expanded along with the expanding width of the diameter expansion end, and the clamping part 120 can enable the elastic collet 200 to be more conveniently sleeved on the contact element 300 through the through groove 210.

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

Claims (10)

1. A guide mechanism for installing an elastic collet is characterized in that the guide mechanism comprises a guide post, the guide post comprises an expanding section and a transition section, and the tail end of the transition end is provided with a conical horn hole; the diameter expanding section is arranged at one end of the transition section, the diameter expanding section and the transition section are in smooth transition, and the diameter of the diameter expanding section is gradually reduced along the direction far away from the transition section; the side wall of the transition section is convexly provided with a clamping part, the clamping part is integrally in a sheet shape, and the clamping part is arranged on a plane passing through the axis of the diameter expanding section.

2. The guide mechanism for resilient colleting mounting as set forth in claim 1, wherein said gripping portion has a thickness slightly greater than a width of said through slot.

3. The guiding mechanism for elastic collet installation according to claim 2, wherein the clamping portion comprises a first side surface and a second side surface located at two sides of the clamping portion in the length direction, and a first inclined surface and a second inclined surface are respectively connected to the first side surface and the second side surface at one side close to the diameter expanding section; along the direction of being close to the expanding section, first inclined plane and second inclined plane draw close to each other and the intersection forms the bead.

4. A guide mechanism for an elastic collet installation according to claim 3, wherein the ribs are arranged diametrically of the transition section.

5. The guide mechanism for elastic collet installation of claim 4, wherein the rib is aligned with the junction of the transition section and the expanded diameter section.

6. The guide mechanism for elastic collet installation of claim 5, wherein the clamping portion is provided with an installation hole penetrating through the clamping portion in a thickness direction of the clamping portion.

7. The guide mechanism for mounting an elastic collet according to claim 6, wherein the number of the mounting holes is plural, and the plural mounting holes are provided at intervals along the length direction of the clamping portion.

8. The guide mechanism for a resilient collet installation of claim 7, wherein the transition section has a diameter slightly larger than an inner diameter of the resilient collet, comparable to an outer diameter of a contact.

9. The guide mechanism for mounting a resilient collet as defined in claim 8, wherein the guide mechanism includes a plurality of said guide posts, and a clamping member for securing the plurality of guide posts, the clamping member being provided with a mating hole for mating with the mounting hole, the clamping member and the plurality of guide posts being fixedly connected by a pin extending through the mounting hole and the mating hole.

10. The guide mechanism for resilient colleting mounting as set forth in claim 1, wherein a plurality of said guide posts are provided at equal intervals along a length direction of said plug pin.

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