CN219393722U - Pre-insulated terminal - Google Patents
Pre-insulated terminal Download PDFInfo
- Publication number
- CN219393722U CN219393722U CN202320197371.8U CN202320197371U CN219393722U CN 219393722 U CN219393722 U CN 219393722U CN 202320197371 U CN202320197371 U CN 202320197371U CN 219393722 U CN219393722 U CN 219393722U
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- terminal
- insulated
- telescopic spring
- shaped
- crimp
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Abstract
The utility model discloses a circuit board comprising a left terminal and a right terminal; the left terminal and the right terminal are hinged and form an X-shaped clamp; the two hand-held parts of the X-shaped forceps are connected through a telescopic spring, and the telescopic spring is in a compressed state when the jaw of the X-shaped forceps is closed; the left terminal and the right terminal are respectively provided with a wiring port and an insulating sleeve at the part of the handheld part. According to the utility model, the left terminal and the right terminal with the wiring ports are hinged into the X-shaped clamp, the insulating sleeve is held when the X-shaped clamp is used, the pre-insulated terminal is clamped at the wiring position or is used for fixing the fastening bolt, the operation is simple and convenient, and the clamping stress is provided by virtue of the elasticity of the telescopic spring after the clamping, so that the X-shaped clamp is kept in a clamping state, and is not easy to loosen even if the X-shaped clamp is influenced by environmental factors such as thermal expansion, cold contraction or vibration.
Description
Technical Field
The utility model relates to the technical field of electrical equipment, in particular to a pre-insulated terminal.
Background
The common pre-insulated wiring terminal comprises a connecting part, a wire clamping part and an insulating sleeve, wherein the connecting part is in a circular shape and a fork shape. When the bolts are used for fixation, the round connecting terminals are reliably connected and are not easy to loosen, but the fastening bolts are required to be completely removed during installation or disconnection, so that the installation convenience is poor; the fork-shaped terminal is convenient to use, and the fastening bolt is only required to be unscrewed when the wire is installed or removed, but the fork-shaped terminal is easy to fall off when the bolt is loosened or the wire is pulled; moreover, after long-time use, under the influence of environmental factors such as expend with heat and contract with cold or vibrations, terminal connecting portion and lock attach bolt junction become flexible easily, influence the connection effect, connect the reliability poor.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: provided is a pre-insulated terminal which is not easy to loosen during connection and has strong convenience.
A pre-insulated terminal comprising a left terminal and a right terminal;
the left terminal and the right terminal are hinged and form an X-shaped clamp;
the two hand-held parts of the X-shaped forceps are connected through a telescopic spring, and the telescopic spring is in a compressed state when the jaws of the X-shaped forceps are closed;
the left terminal and the right terminal are respectively provided with a wiring port and an insulating sleeve at the parts forming the handheld part.
Further, the wire connection ports on the left terminal and the right terminal are both located at the end portions.
Further, the insulating sleeves of the left terminal and the right terminal are sleeved on the end parts.
Further, the crimp range of the right terminal forming the crimp portion of the jaw is larger than the crimp range of the left terminal forming the crimp portion of the jaw.
Further, the crimping range of the right terminal is 2.5-6 mm 2 The compression joint range of the left terminal is 0.5-2.5 mm 2 。
Further, the left terminal and the right terminal are respectively provided with a mounting hole;
the two ends of the telescopic spring are arranged in the two mounting holes.
Further, the device also comprises a pin shaft;
the left terminal and the right terminal are hinged through the pin shaft.
The utility model has the beneficial effects that: the utility model provides a pre-insulated terminal, with two left terminal and the right terminal articulated X shape pincers that become that have the wiring mouth, hold the insulating cover when using, with pre-insulated terminal press from both sides tight junction or be used for fixed fastening bolt can, easy operation and convenience, rely on the elasticity of extension spring to provide the clamp stress after pressing from both sides tightly, make it keep pressing from both sides tight state, even receive environmental factor such as expend with heat and contract with cold or vibrations to influence also difficult not hard up.
Drawings
Fig. 1 is a schematic diagram showing the effect of the pre-insulated terminal of the embodiment of the utility model when clamping an M3 fastening bolt;
fig. 2 is a schematic diagram showing the effect of the pre-insulated terminal of the embodiment of the utility model when clamping an M8 fastening bolt.
Description of the reference numerals:
1. a left terminal; 2. a right terminal; 3. a telescopic spring; 4. a wiring port; 5. an insulating sleeve; 6. a mounting hole; 7. a pin shaft; 8. and (5) fastening a bolt.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 and 2, a pre-insulated terminal includes a left terminal 1 and a right terminal 2;
the left terminal 1 and the right terminal 2 are hinged and form an X-shaped clamp;
the two hand-held parts of the X-shaped forceps are connected through a telescopic spring 3, and the telescopic spring 3 is in a compressed state when the jaws of the X-shaped forceps are closed;
the left terminal 1 and the right terminal 2 are respectively provided with a wiring port 4 and an insulating sleeve 5 at the parts forming the handheld part.
From the above description, the beneficial effects of the utility model are as follows: the left terminal 1 and the right terminal 2 with the wiring ports 4 are hinged into the X-shaped pliers, the insulating sleeve 5 is held when the X-shaped pliers are used, the pre-insulated terminals are clamped at the wiring positions or are fixed by the fastening bolts 8, the operation is simple and convenient, the clamping stress is provided by means of the elasticity of the telescopic springs 3 after the clamping, the clamping state is kept, and the X-shaped pliers are not easy to loosen even if the X-shaped pliers are influenced by environmental factors such as thermal expansion, cold contraction or vibration.
Further, the wire connection ports 4 on the left terminal 1 and the right terminal 2 are both located at the end portions.
As can be seen from the above description, the connection port 4 is provided at the end portion, which can avoid interference caused by the cable connection to the operation of holding the pre-insulated terminal, and can also avoid the cable winding on the pre-insulated terminal during the operation, and is convenient to use.
Further, the insulating sleeves 5 of the left terminal 1 and the right terminal 2 are sleeved on the end parts.
From the above description, the insulating sleeve 5 is sleeved on the end portion, so that the pre-insulated terminal can be held by a hand, and the personal safety of an operator can be ensured.
Further, the crimp range of the crimp portion of the right terminal 2 forming the jaw is larger than the crimp range of the crimp portion of the left terminal 1 forming the jaw.
Further, the crimp range of the right terminal 2 is 2.5-6 mm 2 The compression joint range of the left terminal 1 is 0.5-2.5 mm 2 。
As is apparent from the above description, the crimp range of the right terminal 2 is different from that of the left terminal 1, so that the X-shaped pliers formed thereby can be applied to fastening bolts 8 of more sizes, and the use is more convenient.
Further, a mounting hole 6 is formed in each of the left terminal 1 and the right terminal 2;
the two ends of the telescopic spring 3 are arranged in the two mounting holes 6.
As is apparent from the above description, the mounting holes 6 are provided on the left terminal 1 and the right terminal 2 to facilitate positioning and mounting of the extension spring 3.
Further, the device also comprises a pin shaft 7;
the left terminal 1 and the right terminal 2 are hinged through the pin shaft 7.
As is apparent from the above description, the left terminal 1 and the right terminal 2 are hinged by the pin 7, so that the relative rotation can be smoothly performed, and the clamping action is completed.
The pre-insulated terminal of the present utility model can be applied to a scenario of wiring of an electrical device, and is described below by way of specific embodiments:
referring to fig. 1 and 2, a first embodiment of the utility model is as follows:
a pre-insulated terminal includes a left terminal 1 and a right terminal 2. The left terminal 1 and the right terminal 2 are hinged through a pin shaft 7 to form an X-shaped clamp, two handheld parts of the X-shaped clamp are connected through a telescopic spring 3, and the telescopic spring 3 is in a compressed state when the jaw of the X-shaped clamp is closed; the left terminal 1 and the right terminal 2 are respectively provided with a wiring port 4 and an insulating sleeve 5 at the parts forming the holding parts. The wiring ports 4 on the left terminal 1 and the right terminal 2 are positioned at the end parts; the insulating sleeves 5 of the left terminal 1 and the right terminal 2 are sleeved on the end parts.
In this embodiment, taking the fastening bolt 8 as an example, a pre-insulated terminal is used in the following process:
as shown in the figure, first, the connected cable is connected to the connection port 4 of the pre-insulated terminal, then is held on the insulating sleeve 5 of the pre-insulated terminal, and the jaw of the pre-insulated terminal is opened and clamped on the fastening bolt 8; at this time, the extension spring 3 is in a compressed state, and the elastic force generated by the extension spring can enable the pre-insulated terminal to tightly clamp the fastening bolt 8 so as not to easily loosen.
In the present embodiment, the crimp range of the crimp portion of the right terminal 2 forming the jaw is larger than the crimp range of the crimp portion of the left terminal 1 forming the jaw. Preferably, the crimp range of the right terminal 2 is 2.5-6 mm 2 The crimp range of the left terminal 1 is 0.5-2.5 mm 2 . Thus, the total adaptive wiring diameter of the pre-insulated terminal is in the range of 0.5-6 mm 2 The size of the adapting bolt is M3-M8.
In the present embodiment, a mounting hole 6 is provided on each of the left terminal 1 and the right terminal 2; the two ends of the telescopic spring 3 are arranged in the two mounting holes 6.
In summary, according to the pre-insulated terminal provided by the utility model, the left terminal and the right terminal with the wiring ports are hinged into the X-shaped clamp, the insulating sleeve is held when the pre-insulated terminal is used, the wiring position or the fastening bolt for fixing is clamped by the pre-insulated terminal, the operation is simple and convenient, and the clamping stress is provided by the elasticity of the telescopic spring after the pre-insulated terminal is clamped, so that the pre-insulated terminal is kept in a clamped state, and is not easy to loosen even if the pre-insulated terminal is influenced by environmental factors such as expansion and contraction or vibration.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (7)
1. A pre-insulated terminal, comprising a left terminal and a right terminal;
the left terminal and the right terminal are hinged and form an X-shaped clamp;
the two hand-held parts of the X-shaped forceps are connected through a telescopic spring, and the telescopic spring is in a compressed state when the jaws of the X-shaped forceps are closed;
the left terminal and the right terminal are respectively provided with a wiring port and an insulating sleeve at the parts forming the handheld part.
2. A pre-insulated terminal according to claim 1, wherein the wire connection openings on the left and right terminals are both at the ends.
3. A pre-insulated terminal according to claim 1, wherein the insulating sleeves of the left and right terminals are each sleeved over an end portion.
4. A pre-insulated terminal according to claim 1, wherein the crimp range of the right terminal forming the crimp portion of the jaw is greater than the crimp range of the left terminal forming the crimp portion of the jaw.
5. A pre-insulated terminal according to claim 4, wherein the crimp range of the right terminal is 2.5-6 mm 2 The compression joint range of the left terminal is 0.5-2.5 mm 2 。
6. A pre-insulated terminal according to claim 1, wherein each of the left and right terminals is provided with a mounting hole;
the two ends of the telescopic spring are arranged in the two mounting holes.
7. The pre-insulated terminal of claim 1, further comprising a pin;
the left terminal and the right terminal are hinged through the pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320197371.8U CN219393722U (en) | 2023-02-09 | 2023-02-09 | Pre-insulated terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320197371.8U CN219393722U (en) | 2023-02-09 | 2023-02-09 | Pre-insulated terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219393722U true CN219393722U (en) | 2023-07-21 |
Family
ID=87192338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320197371.8U Active CN219393722U (en) | 2023-02-09 | 2023-02-09 | Pre-insulated terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219393722U (en) |
-
2023
- 2023-02-09 CN CN202320197371.8U patent/CN219393722U/en active Active
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