Outer conductor terminal crimping cutter
By designing a crimping tool for the outer conductor terminal, the problem of deformation of the inner conductor during the crimping process was solved, achieving higher crimping quality and electrical performance.
Patent Information
- Application Number
- CN202422877996.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-11-25
AI Technical Summary
Existing crimping dies are prone to causing deformation of the inner conductor when crimping the outer conductor, which affects the electrical performance of the terminals.
An external conductor terminal crimping tool is designed, including a first crimping member and a second crimping member, which can be moved closer or further apart. The first crimping member and the second crimping member are provided with protrusions and limiting grooves to protect the inner conductor and increase the crimping surface.
To avoid deformation of the inner conductor, improve the crimping quality of the outer and inner conductors, increase the contact area, and ensure the electrical performance of the connector joint.
Smart Images

Figure CN223552834U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of crimping equipment technology, and in particular to a crimping tool for external conductor terminals. Background Technology
[0002] With the rapid development of communication technology, the requirements for the quality and stability of signal transmission are becoming increasingly stringent. As a crucial component of signal transmission lines, such as in coaxial cables, the quality of the connection between the outer conductor and other parts, including connectors, directly affects signal transmission performance.
[0003] In the existing technology, the processing method for the terminals of the outer conductor is mostly crimping. However, the existing crimping mold will deform the inner conductor placed inside the outer conductor during crimping, thereby affecting the overall electrical performance of the terminal. Utility Model Content
[0004] In view of this, in order to solve the above problems, the purpose of this utility model is to provide an external conductor terminal crimping tool, comprising:
[0005] The first crimping member has a first crimping groove formed by its upper end being recessed downwards.
[0006] The second crimping member has a second crimping groove formed by its lower end being recessed upwards. The second crimping member is movably disposed close to or away from the upper end of the first crimping member. An outer conductor and an inner conductor that can be crimped are placed between the first crimping groove and the second crimping groove.
[0007] The upper end of the first crimping member is provided with a plurality of first protrusions, which are respectively disposed on both sides of the first crimping groove along the radial direction. The plurality of first protrusions on the same side of the first crimping groove are arranged sequentially at intervals along the axial direction of the first crimping groove, and a first limiting groove is formed between each two adjacent first protrusions along the axial direction of the first crimping groove.
[0008] The lower end of the second crimping member is provided with a plurality of second protrusions, each of which can be movably extended into a first limiting groove.
[0009] In another preferred embodiment, each of the first protrusions has a first limiting edge on the side near the first crimping groove, and the lower end of the first limiting edge is connected to the inner wall of the first crimping groove.
[0010] In another preferred embodiment, the two first limiting edges that are radially opposite to the first crimping groove and the first crimping groove together form a first U-shaped groove.
[0011] In another preferred embodiment, each of the second protrusions has a second limiting edge on the side near the second crimping groove, and the upper end of the second limiting edge is connected to the inner wall of the second crimping groove.
[0012] In another preferred embodiment, the two second limiting edges that are radially opposite to each other along the second crimping groove and the second crimping groove together form a second U-shaped groove.
[0013] In another preferred embodiment, the lower end of the second pressing member has a limiting surface, which is divided into several limiting sub-surfaces by several second protrusions, and each of the first protrusions is used to abut against one of the limiting sub-surfaces.
[0014] In another preferred embodiment, both the first crimping member and the second crimping member are arranged in a rectangular structure.
[0015] In another preferred embodiment, both the first protrusion and the second protrusion are provided in a sheet-like structure.
[0016] Because this utility model adopts the above-mentioned technical solution, it has the following positive effects compared with the prior art:
[0017] By applying this utility model, an outer conductor terminal crimping tool is provided, which avoids deformation of the inner conductor during crimping and increases the contact surface during crimping. This utility model improves the crimping height of the outer conductor while ensuring the performance of the connector, thus ensuring the crimping quality of the outer and inner conductors and improving the electrical performance of the corresponding connector. Attached Figure Description
[0018] Figure 1 This is an enlarged view of the first crimping member of an external conductor terminal crimping tool according to the present invention;
[0019] Figure 2 This is a structural diagram of the first crimping member of an external conductor terminal crimping tool according to the present invention;
[0020] Figure 3 This is a structural diagram of the second crimping member of an external conductor terminal crimping tool according to the present invention.
[0021] In the attached image:
[0022] 100, First crimping component; 110, First crimping groove; 120, First protrusion; 121, First limiting edge; 130, First U-shaped groove; 140, First limiting groove; 200, Second crimping component; 210, Second crimping groove; 220, Second protrusion; 221, Second limiting edge; 230, Second U-shaped groove; 240, Second limiting groove; 250, Limiting sub-face. Detailed Implementation
[0023] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0024] In the description of this utility model, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", "front", "back", "horizontal", and "vertical" are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0025] It should be noted that the terms "horizontal" and "vertical" in this utility model are used to describe approximate positional relationships, and not strictly "horizontal plane" or "vertical plane".
[0026] like Figures 1 to 3 The illustration shows a preferred embodiment of an external conductor terminal crimping tool, comprising: a first crimping member 100, the upper end of which is recessed downward to form a first crimping groove 110; and a second crimping member 200, the lower end of which is recessed upward to form a second crimping groove 210. The second crimping member 200 is movably disposed near or away from the upper end of the first crimping member 100, and a crimpable external conductor and an internal conductor are placed between the first crimping groove 110 and the second crimping groove 210; wherein the upper end of the first crimping member 100... The second crimping member 200 is provided with a plurality of first protrusions 120, which are respectively disposed on both sides of the first crimping groove 110 along the radial direction. The plurality of first protrusions 120 on the same side of the first crimping groove 110 are arranged sequentially at intervals along the axial direction of the first crimping groove 110. A first limiting groove 140 is formed between each two adjacent first protrusions 120 along the axial direction of the first crimping groove 110. The lower end of the second crimping member 200 is provided with a plurality of second protrusions 220, each of which can be movably extended into a first limiting groove 140.
[0027] Furthermore, in a preferred embodiment, both the first pressing member 100 and the second pressing member 200 are arranged in a rectangular structure.
[0028] Furthermore, in a preferred embodiment, both the first protrusion 120 and the second protrusion 220 are provided with a sheet-like structure.
[0029] Furthermore, as a preferred embodiment, the length of the first protrusion 120 is respectively arranged radially along the first crimping groove 110.
[0030] Furthermore, as a preferred embodiment, the length of the second protrusion 220 is respectively arranged radially along the second crimping groove 220.
[0031] Furthermore, as a preferred embodiment, the first protrusion 120 and the first pressing member 100 are integrally formed.
[0032] Furthermore, as a preferred embodiment, the second protrusion 220 and the second pressing member 200 are integrally formed.
[0033] Furthermore, in a preferred embodiment, each first protrusion 120 has a first limiting edge 121 on the side near the first crimping groove 110, and the lower end of the first limiting edge 121 is connected to the inner wall of the first crimping groove 110. Furthermore, the first limiting edge 121 increases the contact area between the first crimping member 100 and the outer conductor.
[0034] Furthermore, as a preferred embodiment, the two first limiting edges 121 that are directly opposite each other along the radial direction of the first crimping groove 110 and the first crimping groove 110 together form a first U-shaped groove 130.
[0035] Furthermore, in a preferred embodiment, each second protrusion 220 has a second limiting edge 221 on the side near the second crimping groove 210, and the upper end of the second limiting edge 221 is connected to the inner wall of the second crimping groove 210. Furthermore, the second limiting edge 221 increases the contact area between the second crimping member 200 and the outer conductor.
[0036] Furthermore, as a preferred embodiment, two second limiting edges 221 that are directly opposite each other along the radial direction of the second crimping groove 210 and the second crimping groove 210 together form a second U-shaped groove 230.
[0037] Furthermore, as a preferred embodiment, the first limiting edge 121 is arranged to gradually tilt outward from bottom to top.
[0038] Furthermore, as a preferred embodiment, the second limiting edge 221 is arranged to gradually tilt outward from top to bottom.
[0039] Furthermore, as a preferred embodiment, the lower end of the second pressing member 200 has a limiting surface, which is divided into a plurality of limiting sub-surfaces 250 by a plurality of second protrusions 220, and each first protrusion 120 is used to abut against a limiting sub-surface 250.
[0040] Furthermore, as a preferred embodiment, when the first crimping member 100 and the second crimping member 200 are crimped, the first U-shaped groove 130 and the second U-shaped groove 230 are arranged opposite each other, and the outer conductor is placed between the first U-shaped groove 130 and the second U-shaped groove 230.
[0041] The above description is only a preferred embodiment of the present utility model and does not limit the implementation method and protection scope of the present utility model.
[0042] Based on the above, this utility model also has the following embodiments:
[0043] In a further embodiment of the present invention, the first crimping groove 110 extends axially through the first crimping member 100.
[0044] In a further embodiment of the present invention, the second crimping groove 210 extends axially through the second crimping member 200.
[0045] In a further embodiment of the present invention, the inner surface of the first crimping groove 110 is approximately an arc-shaped surface.
[0046] In a further embodiment of the present invention, the inner surface of the first crimping groove 110 includes a plurality of first surfaces and a plurality of second surfaces that are alternately connected in sequence, wherein the circumferential dimension of the first surface along the first crimping groove 110 is greater than the circumferential dimension of the second surface along the first crimping groove 110.
[0047] In a further embodiment of the present invention, preferably, the first pressing member 100 is provided with two sets of first protrusions 120, the two sets of first protrusions 120 are respectively provided on both sides of the first pressing groove 110, and each set of first protrusions 120 includes at least 3 first protrusions 120.
[0048] In a further embodiment of the present invention, the inner surface of the second crimping groove 210 includes a plurality of third surfaces and a plurality of fourth surfaces that are alternately connected in sequence, wherein the circumferential dimension of the third surfaces along the second crimping groove 210 is greater than the circumferential dimension of the fourth surfaces along the second crimping groove 210.
[0049] In a further embodiment of the present invention, preferably, the second pressing member 200 is provided with two sets of second protrusions 220, the two sets of second protrusions 220 are respectively disposed on both sides of the second pressing groove 210, and each set of second protrusions 220 includes at least two second protrusions 220.
[0050] In a further embodiment of the present invention, preferably, two sets of limiting sub-surfaces 250 are formed on the second pressing member 200, and the two sets of limiting sub-surfaces 250 are respectively formed on both sides of the second pressing groove 210, and each set of limiting sub-surfaces 250 includes at least 3 limiting sub-surfaces 250.
[0051] In a further embodiment of the present invention, the lower end of the second crimping member 200 is provided with a plurality of second protrusions 220, the plurality of second protrusions 220 are respectively disposed on both sides of the second crimping groove 210 along the radial direction, the plurality of second protrusions 220 on the same side of the second crimping groove 210 are sequentially spaced along the axial direction of the second crimping groove 210, and a second limiting groove 240 is formed between each two adjacent second protrusions 220 along the axial direction of the second crimping groove 210.
[0052] In a further embodiment of the present invention, when the first crimping member 100 and the second crimping member 200 are crimped together, the first protrusion 120 extends into the second limiting groove 240 and abuts against the limiting sub-surface 250, and the second protrusion 220 extends into the first limiting groove 140 and abuts against its bottom.
[0053] In a further embodiment of this invention, when the external conductor terminal crimping tool is applied to a crimping device, the crimping device includes a fixing mechanism and a moving mechanism. The fixing mechanism is fixedly connected to the first crimping member 100, and the moving mechanism is fixedly connected to the second crimping member 200. The moving mechanism is used to drive the second crimping member 200 to move up and down.
[0054] The above description is only a preferred embodiment of the present utility model and does not limit the implementation method and protection scope of the present utility model. Those skilled in the art should realize that all solutions obtained by equivalent substitutions and obvious changes made based on the description and illustrations of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A crimping tool for external conductor terminals, characterized in that, include: The first crimping member has a first crimping groove formed by its upper end being recessed downwards. The second crimping member has a second crimping groove formed by its lower end being recessed upwards. The second crimping member is movably disposed close to or away from the upper end of the first crimping member. An outer conductor and an inner conductor that can be crimped are placed between the first crimping groove and the second crimping groove. The upper end of the first crimping member is provided with a plurality of first protrusions, which are respectively disposed on both sides of the first crimping groove along the radial direction. The plurality of first protrusions on the same side of the first crimping groove are arranged sequentially at intervals along the axial direction of the first crimping groove, and a first limiting groove is formed between each two adjacent first protrusions along the axial direction of the first crimping groove. The lower end of the second crimping member is provided with a plurality of second protrusions, each of which can be movably extended into a first limiting groove.
2. The external conductor terminal crimping tool according to claim 1, characterized in that, Each of the first protrusions has a first limiting edge on the side near the first crimping groove, and the lower end of the first limiting edge is connected to the inner wall of the first crimping groove.
3. The external conductor terminal crimping tool according to claim 2, characterized in that, The two first limiting edges that are directly opposite each other along the radial direction of the first crimping groove and the first crimping groove together form a first U-shaped groove.
4. The external conductor terminal crimping tool according to claim 1, characterized in that, Each of the second protrusions has a second limiting edge on the side near the second crimping groove, and the upper end of the second limiting edge is connected to the inner wall of the second crimping groove.
5. The external conductor terminal crimping tool according to claim 4, characterized in that, The two second limiting edges that are directly opposite each other along the radial direction of the second crimping groove and the second crimping groove together form a second U-shaped groove.
6. The external conductor terminal crimping tool according to claim 1, characterized in that, The lower end of the second pressing member has a limiting surface, which is divided into several limiting sub-surfaces by several second protrusions, and each of the first protrusions is used to abut against one of the limiting sub-surfaces.
7. The external conductor terminal crimping tool according to claim 1, characterized in that, Both the first crimping member and the second crimping member are rectangular in shape.
8. The external conductor terminal crimping tool according to claim 1, characterized in that, Both the first protrusion and the second protrusion are arranged in a sheet-like structure.