Metal positioning tooth sleeve

Abstract

The present application relates to a new type of metal positioning tooth sleeve, comprising a ring-shaped connecting skin and a plurality of tooth petals arranged on the connecting skin, the plurality of tooth petals are arranged along the circumferential surface of one end of the connecting skin, the tooth petal comprises a transition section and a tooth petal head, one end of the transition section is connected with the connecting skin, the other end of the transition section is bent outward of the connecting skin and connected with the tooth petal head, and the tooth petal head is bent inward of the connecting skin at the end away from the connecting skin to form a curled edge. The present application has the advantages that the tooth petal has sufficient strength and elasticity and the attenuation of the elastic force range is small, the tooth petal head can be prevented from being inserted into the insulator, and the use and structural stability of the whole tooth sleeve are improved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of electrical connection device, and particularly relates to a metal positioning tooth sleeve. BACKGROUND

[0002] The socket in the electrical connection device comprises a socket shell 1, an insulator 2 and a contact body 3, the socket shell 1 is sleeved on the insulator 2, the contact body 3 is arranged in the insulator 2, and the contact body 3 and the insulator 2 are provided with a positioning member for positioning the contact body 3, the commonly used contact body positioning member structure has two kinds, one is a metal (beryllium bronze) type positioning tooth sleeve 4 as shown in Figure 1 , and the other is a plastic positioning sleeve 13 and a metal hoop 14 structure as shown in Figure 2 .

[0003] Figure 1 The positioning tooth sleeve 4 in has a plurality of tooth petals 7 uniformly expanded on the circumference thereof, the positioning tooth sleeve 4 is clamped on the contact body 3 by the elasticity thereof, the expanded tooth petal head is abutted against the insulator 2 to limit the contact body 3, since the overall elasticity of the positioning tooth sleeve 4 is weak, the maximum size of the expanded tooth petal will be reduced after the tooth petal is contracted once, and the wall thickness of the positioning tooth sleeve 4 is between 0.1-0.3 mm, the expanded tooth petal head is like a knife edge, after the contact body 3 is pressed against the wire and is arranged in the insulator 2, the tooth petal head is often inserted into the insulator 2 or the tooth petal 7 is deformed due to the external force, which seriously affects the use performance; Figure 2 The plastic positioning sleeve 13 in is sleeved in the groove on the contact body 3, one end of the plastic positioning sleeve 13 is clamped on the contact body 3 through the metal hoop 14, the other end is outwardly eight-shaped and extends to the outside of the groove, and the part of the plastic positioning sleeve 13 extending out of the groove is abutted against the insulator 2 to limit the contact body 3, but in actual use, the plastic positioning sleeve 13 has the problems of unstable limiting and weak elastic strength, and on the other hand, the aging of the plastic will greatly reduce the use stability and reliability of the plastic positioning sleeve 13. SUMMARY

[0004] The present application aims to overcome the defects of the prior art, and provides a metal positioning tooth sleeve, the tooth petal has sufficient strength and elasticity and small elastic force amplitude attenuation, the tooth petal head can be prevented from being inserted into the insulator, and the use and structural stability of the tooth sleeve as a whole are improved.

[0005] The purpose of the present application is achieved by the following technical scheme:

[0006] A metal positioning tooth sleeve comprises a ring-shaped skin and a plurality of tooth petals arranged on the skin, the plurality of tooth petals are distributed along the circumferential array of one end of the skin, the tooth petal comprises a transition section and a tooth petal head, one end of the transition section is connected with the skin, the other end of the transition section is bent outward of the skin and connected with the tooth petal head, a hollow window is arranged at the connection between the tooth petal head and the transition section, and one end of the tooth petal head away from the skin is inwardly bent towards the skin to form a curled edge.

[0007] Further, the inner tongue is arranged on the skin and bends towards the inner side of the skin.

[0008] Further, the hollow window is extended to the skin along the transition section by the tooth lobe head, and the inner tongue is arranged at the hollow window.

[0009] Further, the middle part of the bending part of the crimping is provided with a first U-shaped notch 8.

[0010] Further, the end of the inner tongue away from the skin is provided with a second U-shaped notch 9.

[0011] The present application has the following advantages:

[0012] 1. The hollow window is arranged to make the tooth lobe have sufficient elasticity and strength, and the transition section is arranged to reduce the elastic attenuation of the tooth lobe, so that the elasticity of the tooth lobe is more soft.

[0013] 2. The crimping is arranged to prevent the tooth lobe head from being inserted into the insulator after being pulled by external force, thereby preventing the tooth lobe from being bent and deformed to affect use, and improving the use and structural stability of the tooth sleeve as a whole. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is an installation schematic diagram of an existing contact body positioning member;

[0015] Figure 2 It is an installation schematic diagram of another existing contact body positioning member;

[0016] Figure 3 It is a schematic diagram of the overall structure of the positioning tooth sleeve in the present application;

[0017] Figure 4 It is an installation schematic diagram of the positioning tooth sleeve in the present application;

[0018] Figure 5 It is Figure 4 The structure at A in the middle is enlarged.

[0019] In the figure: 1, socket shell; 2, insulator; 3, contact body; 4, positioning tooth sleeve; 41, skin; 42, tooth lobe; 421, transition section; 422, tooth lobe head; 5, crimping; 6, inner tongue; 7, hollow window; 8, first U-shaped notch 8; 9, second U-shaped notch 9; 10, break; 11, groove one; 12, groove two; 13, plastic positioning sleeve; 14, metal hoop. DETAILED DESCRIPTION

[0020] The present application will be further described below in combination with the drawings, but the protection scope of the present application is not limited to the following description.

[0021] As Figures 3-5As shown in the drawings, a metal positioning tooth sleeve comprises a ring-shaped connecting skin 41 and a plurality of tooth petals 42 arranged on the connecting skin 41, the plurality of tooth petals 42 are distributed along the end surface of the connecting skin 41. Specifically, the tooth petal 42 comprises a transition section 421 and a tooth petal head 422, wherein one end of the transition section 421 is connected with the connecting skin 41, the other end of the transition section 421 is bent outwardly from the connecting skin 41 and connected with the tooth petal head 422, the transition section 421 makes the whole tooth petal 42 present an outward bulging state, preferably, the connecting skin 41, the transition section 421 and the tooth petal head 422 are integrally formed.

[0022] Preferably, as shown in the drawings, Figure 3 As shown in the drawings, a hollow window 7 is arranged at the connection between the tooth petal head 422 and the transition section 421, the hollow window 7 extends from the tooth petal head 422 along the transition section 421 to the connecting skin 41, the arrangement of the hollow window 7 can improve the elasticity of the tooth petal 42, at the same time, the strength of the tooth petal 42 is not too low, thereby the tooth petal 42 has sufficient strength and elasticity; the arrangement of the transition section 421 can make the elasticity of the tooth petal 42 more soft, thereby the elastic force attenuation of the tooth petal 42 after force contraction can be reduced.

[0023] As shown in the drawings, Figure 3 A break 10 is arranged on the connecting skin 41, which is convenient for the tooth sleeve 4 to be sleeved on the contact body 3 of different sizes; an inner tongue 6 is arranged on the connecting skin 41 and bent inwardly from the connecting skin 41, specifically, the inner tongue 6 is located at the hollow window 7. As shown in the drawings, Figure 4 , 5 According to the structure of the tooth sleeve 4, a groove one 11 is arranged on the contact body 3 in the axial direction, a groove two 12 is arranged on the contact body 3 in the radial direction, when the tooth sleeve 4 is installed, the connecting skin 41 is sleeved on the contact body 3, the connecting skin 41 is inserted into the groove one 11, at the same time, the inner tongue 6 is clamped into the groove two 12, so as to realize the installation and positioning of the tooth sleeve 4; in order to prevent the tooth sleeve 4 from rotating in the circumferential direction and being bulged outwardly by external force, a second U-shaped notch 9 is arranged at the end of the inner tongue 6 away from the connecting skin 41, so that the inner tongue 6 is connected with the contact body 3 through spot riveting at the second U-shaped notch 9, thereby the tooth sleeve 4 is fixed.

[0024] When the socket is assembled, the tooth petal head 422 abuts against the insulator 2, thereby the contact body 3 is positioned. As shown in the drawings, Figure 3 , 5 The end of the tooth petal head 422 away from the connecting skin 41 is bent inwardly from the connecting skin 41 to form a curled edge 5, the curled edge 5 can avoid the tooth petal head 422 being too sharp, so that when the socket is assembled, the tooth petal head 422 can be prevented from being inserted into the insulator 2 after being pulled by external force, thereby the bending deformation of the tooth petal 42 can be avoided to affect the normal use of the socket. Preferably, a first U-shaped notch 8 is arranged at the middle of the bent part of the curled edge 5, when the tooth petal head 422 is processed, the first U-shaped notch 8 is arranged first, thereby the tooth petal head 422 is conveniently bent.

[0025] Finally, although the above description has shown and described embodiments of the application, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, and it is intended that the application be limited only by the scope of the claims as they are expressed and interpreted.

Claims

1. A metal positioning toothed sleeve, comprising an annular connecting skin (41) and a plurality of toothed flaps (42) disposed on the connecting skin (41), the plurality of toothed flaps (42) being arranged in a circumferential array along one end face of the connecting skin (41), each toothed flap (42) comprising a transition section (421) and a toothed flap (42) head, one end of the transition section (421) being connected to the connecting skin (41), and the other end of the transition section (421) being bent outward toward the connecting skin (41) and connected to the toothed flap (42) head, characterized in that: A hollow window (7) is provided at the connection between the tooth flap (42) head and the transition section (421). The end of the tooth flap (42) head away from the skin (41) is bent inward toward the skin (41) to form a rolled edge (5). An inner tongue (6) is provided on the skin (41) and bends inward toward the skin (41). The hollow window (7) extends from the head of the tooth flap (42) along the transition section (421) to the skin (41), and the inner tongue (6) is located at the hollow window (7); The bend of the rolled edge (5) has a first U-shaped notch (8) in the middle; The inner tongue (6) has a second U-shaped notch (9) at the end away from the skin (41).

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