CN219779327U - Improved plug of electric tool - Google Patents
Improved plug of electric tool Download PDFInfo
- Publication number
- CN219779327U CN219779327U CN202320533422.XU CN202320533422U CN219779327U CN 219779327 U CN219779327 U CN 219779327U CN 202320533422 U CN202320533422 U CN 202320533422U CN 219779327 U CN219779327 U CN 219779327U
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- Prior art keywords
- insulating
- positive electrode
- negative electrode
- electrode terminal
- terminal
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 230000002708 enhancing effect Effects 0.000 claims abstract description 4
- 238000005192 partition Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims 2
- 238000000034 method Methods 0.000 claims 1
- 238000003780 insertion Methods 0.000 abstract description 10
- 230000037431 insertion Effects 0.000 abstract description 10
- 210000003205 muscle Anatomy 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005267 amalgamation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model discloses an improved electric tool plug, which comprises an insulating shell, an insulating rear seat, a positive terminal, a negative terminal and a plurality of signal terminals, wherein the insulating rear seat is arranged on the insulating shell; the insulating backseat is fixed on the insulating shell; the positive electrode terminal, the negative electrode terminal and the plurality of signal terminals are all fixed on the insulating rear seat, and the plurality of signal terminals are positioned between the positive electrode terminal and the negative electrode terminal; the insulating shell is provided with an inserting cavity with a forward opening, the inner peripheral side wall of the inserting cavity is convexly provided with a convex rib for enhancing the inserting and pulling force, the bottom surface of the inserting cavity is concavely provided with a containing groove backwards, the insulating rear seat covers the rear end opening of the containing groove, the inserting cavity and the containing groove are arranged on the shell, each contact part is located in the containing groove and is matched with the convex rib on the inner peripheral side wall of the inserting cavity, when the product and the socket are inserted, the convex rib can enhance the inserting and pulling force during insertion, so that the stability and the reliability of contact connection are greatly improved, the use requirement is met, and each contact part can be well protected.
Description
Technical Field
The utility model relates to the connector field technology, in particular to an improved electric tool plug.
Background
Power tools are classified as stationary or portable, where portable means hand-held. The portable power tool has significant advantages in terms of mobility. However, stationary power tools generally have advantages in terms of speed and accuracy. For example, a typical table saw not only cuts faster than a conventional hand saw, but also cuts smoother, straighter, and more square than a hand-held power saw can typically achieve. Some stationary power tools may produce objects that otherwise cannot be manufactured. For example, a lathe may produce a truly round object.
The plug is used for controlling the work of the electric tool, and the main structure of the plug currently used on the electric tool comprises an insulating shell, an insulating rear seat, a positive terminal, a negative terminal and a plurality of signal terminals; the insulating backseat is fixed on the insulating shell; the positive electrode terminal, the negative electrode terminal and the plurality of signal terminals are all fixed on the insulating rear seat, and the plurality of signal terminals are positioned between the positive electrode terminal and the negative electrode terminal; in the prior art, the positive electrode contact part of the positive electrode terminal, the negative electrode contact parts of the negative electrode terminals and the signal contact parts of the signal terminals are exposed out of the shell, and the problem that the plugging force is weaker when the signal contact parts are plugged into corresponding sockets exists, so that the stability and the reliability of contact connection are insufficient. Meanwhile, the current positive terminal, negative terminal and a plurality of signal terminals are fixed on the insulating rear seat in a one-time injection molding mode, and the injection mold is complex due to the large number of terminals, so that the yield is low. Therefore, it is necessary to study a scheme to solve the above-mentioned problems.
Disclosure of Invention
In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its primary object is to provide an improved electric tool plug, which can effectively solve the problems of weak plug-in force and low yield of the existing electric tool plug.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an improved electric tool plug comprises an insulating shell, an insulating rear seat, a positive terminal, a negative terminal and a plurality of signal terminals; the insulating backseat is fixed on the insulating shell; the positive electrode terminal, the negative electrode terminal and the plurality of signal terminals are all fixed on the insulating rear seat, and the plurality of signal terminals are positioned between the positive electrode terminal and the negative electrode terminal; the insulating shell is provided with an inserting cavity with a forward opening, the inner peripheral side wall of the inserting cavity is convexly provided with a convex rib for enhancing the inserting and pulling force, the bottom surface of the inserting cavity is concavely provided with a containing groove backwards, the insulating rear seat covers the rear end opening of the containing groove, and the positive electrode contact part of the positive electrode terminal, the negative electrode contact part of the negative electrode terminal and the signal contact part of the signal terminal are all positioned in the containing groove.
As a preferred scheme, two partition plates are formed in the accommodating groove, the two partition plates divide the accommodating groove into three cavities which are distributed left and right, the positive electrode contact part and the negative electrode contact part are respectively positioned in the cavities at the left side and the right side, and the signal contact part is positioned in the middle cavity so as to avoid mutual interference between the terminals.
As a preferred scheme, insulating backseat includes first insulating block, second insulating block and two third insulating blocks, and first insulating block, second insulating block and two third insulating blocks splice together and all are in the same place with insulating housing mosaic shaping, and the amalgamation is controlled and is located between first insulating block and the second insulating block about this two third insulating blocks, and this positive terminal and negative terminal mosaic shaping respectively fix on first insulating block and second insulating block, and this a plurality of signal terminals mosaic shaping respectively are on two third insulating blocks, simple structure, and the preparation equipment is convenient.
As a preferable scheme, the two third insulating blocks are matched, positioned and spliced through the positioning columns and the positioning holes, so that the splicing is stable.
As a preferable scheme, the first insulating block and the corresponding third insulating block and the second insulating block and the corresponding third insulating block are matched, positioned and spliced through the positioning convex part and the positioning groove, so that the splicing is stable.
As a preferable scheme, the first pair of inserting posts extend forwards on the first insulating block, two positive electrode contact portions are arranged, two positive electrode contact portions are respectively exposed out of two side faces of the first pair of inserting posts, so that the inserting strength is ensured, and the contact is more stable and reliable.
As a preferable scheme, the second pair of inserting posts extend forwards on the second insulating block, two negative electrode contact parts are arranged, two negative electrode contact parts are respectively exposed out of two side surfaces of the second pair of inserting posts, so that the inserting strength is ensured, and the contact is more stable and reliable.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:
1. through setting up insertion chamber and storage tank on the shell, each contact is located the storage tank to the cooperation is equipped with protruding muscle in the protruding of the inner peripheral lateral wall of insertion chamber, and when this product was to the inserted with the socket, protruding muscle can strengthen the plug power to the time of inserting, makes contact connection's stability and reliability obtain very big promotion, satisfies the needs of using, and can carry out fine protection to each contact.
2. Through with insulating backseat design for by first insulating piece, second insulating piece and two third insulating pieces concatenation formation for anodal terminal, negative pole terminal and a plurality of signal terminal can separately carry out the injection molding, are favorable to simplifying the mould structure, promote the product yield, bring convenience for production operation.
In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is an assembled perspective view of a preferred embodiment of the present utility model;
FIG. 2 is an exploded view of a preferred embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a preferred embodiment of the present utility model.
The attached drawings are used for identifying and describing:
10. insulating housing 11, insertion cavity
12. Convex rib 13 and accommodating groove
131. Cavity 14, partition
20. Insulating backseat 21, first insulating block
22. Second insulating block 23, third insulating block
201. Positioning column 202 and positioning hole
203. Positioning convex 204 and positioning groove
205. First pair of posts 206 and second pair of posts
30. Positive electrode terminal 31 and positive electrode contact portion
40. Negative electrode terminal 41 and negative electrode contact portion
50. Signal terminal 51, signal contact part
61. Positive electrode wire 62 and negative electrode wire
63. Signal line 70, powerful magnetic sheet.
Detailed Description
Referring to fig. 1 to 3, a specific structure of a preferred embodiment of the present utility model is shown, which includes an insulating housing 10, an insulating back seat 20, a positive terminal 30, a negative terminal 40 and a plurality of signal terminals 50.
The insulating housing 10 has a forwardly opened insertion cavity 11, a protruding rib 12 for enhancing insertion force is protruding on an inner peripheral sidewall of the insertion cavity 11, and a receiving groove 13 is concavely formed on a bottom surface of the insertion cavity 11, in this embodiment, the insulating housing 10 is made of plastic material, the protruding ribs 12 are uniformly arranged at intervals, and each protruding rib 12 extends back and forth. In addition, two partition plates 14 are formed in the accommodating groove 13, and the accommodating groove 13 is partitioned by the two partition plates 14 to form three cavities 131 which are arranged left and right. And, the bottom surface of this inserting cavity 11 is provided with powerful magnetic sheet 70 to carry out automatic magnetism and inhale fixedly, promote grafting stability.
The insulating rear seat 20 is fixed on the insulating housing 10; in this embodiment, the insulating rear seat 20 covers the rear end opening of the accommodating groove 13, specifically, the insulating rear seat 20 includes a first insulating block 21, a second insulating block 22 and two third insulating blocks 23, the first insulating block 21, the second insulating block 22 and the two third insulating blocks 23 are spliced together and are all fixed together with the insulating housing 10 by insert molding, and the two third insulating blocks 23 are spliced left and right and are located between the first insulating block 21 and the second insulating block 22; and, the two third insulating blocks 23 are matched, positioned and spliced through the positioning column 201 and the positioning hole 202, so that the splicing is stable; the first insulating block 21 and the corresponding third insulating block 23 and the second insulating block 22 and the corresponding third insulating block 23 are matched, positioned and spliced through the positioning convex part 203 and the positioning groove 204, so that the splicing is stable. In addition, a first pair of inserting posts 205 extends forward from the first insulating block 21, and a second pair of inserting posts 206 extends forward from the second insulating block 22, so as to ensure the inserting strength.
The positive electrode terminal 30, the negative electrode terminal 40 and the plurality of signal terminals 50 are fixed to the insulating rear base 20, the plurality of signal terminals 50 are positioned between the positive electrode terminal 30 and the negative electrode terminal 40, and the positive electrode contact portion 31 of the positive electrode terminal 30, the negative electrode contact portion 41 of the negative electrode terminal 40 and the signal contact portion 51 of the signal terminal 50 are positioned in the accommodating groove 13. In the present embodiment, the positive electrode contact portion 31 and the negative electrode contact portion 41 are respectively located in the cavities 131 on the left and right sides, and the signal contact portion 51 is located in the cavity 131 in the middle, so as to avoid mutual interference between the terminals. The positive electrode terminal 30 and the negative electrode terminal 40 are respectively insert-molded and fixed on the first insulating block 21 and the second insulating block 22, and the plurality of signal terminals 50 are respectively insert-molded and fixed on the two third insulating blocks 23, so that the structure is stable. And, the number of the positive electrode contact parts 31 is two, and the two positive electrode contact parts 31 are respectively exposed out of the two side surfaces of the first pair of inserting posts 205, so that the contact is more stable and reliable. The number of the two negative electrode contact portions 41 is two, and the two negative electrode contact portions 41 are respectively exposed out of the two side surfaces of the second pair of plug posts 206, so that the contact is more stable and reliable.
The manufacturing process of this embodiment is described in detail as follows:
first, the positive electrode terminal 30 and the negative electrode terminal 40 are respectively riveted and connected to the positive electrode wire 61 and the negative electrode wire 62, and the plurality of signal terminals 50 are respectively riveted and connected to the plurality of signal wires 63; next, the positive electrode terminal 30, the negative electrode terminal 40 and the plurality of signal terminals 50 are respectively put into corresponding molds to form a first insulating block 21, a second insulating block 22 and two third insulating blocks 23; then, the first insulating block 21, the second insulating block 22 and the two third insulating blocks 23 are spliced together to form an insulating rear seat 20; finally, the insulating rear seat 20 is put into another mold to form the insulating housing 10.
The design focus of the utility model is that: firstly, through setting up insertion chamber and storage tank on the shell, each contact is located the storage tank to the cooperation is equipped with protruding muscle in the protruding of the inner peripheral lateral wall in insertion chamber, and when this product and socket to the inserted, protruding muscle can strengthen the plug power to the time of inserting, makes contact connection's stability and reliability obtain very big promotion, satisfies the needs of using, and can carry out fine protection to each contact. Secondly, through designing insulating backseat to by first insulating piece, second insulating piece and two third insulating pieces concatenation formation for anodal terminal, negative pole terminal and a plurality of signal terminal can separately carry out the injection molding, are favorable to simplifying the mould structure, promote the product yield, bring convenience for production operation.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.
Claims (7)
1. An improved electric tool plug comprises an insulating shell, an insulating rear seat, a positive terminal, a negative terminal and a plurality of signal terminals; the insulating backseat is fixed on the insulating shell; the positive electrode terminal, the negative electrode terminal and the plurality of signal terminals are all fixed on the insulating rear seat, and the plurality of signal terminals are positioned between the positive electrode terminal and the negative electrode terminal; the method is characterized in that: the insulating shell is provided with an inserting cavity with a forward opening, the inner peripheral side wall of the inserting cavity is convexly provided with a convex rib for enhancing the inserting and pulling force, the bottom surface of the inserting cavity is concavely provided with a containing groove backwards, the insulating rear seat covers the rear end opening of the containing groove, and the positive electrode contact part of the positive electrode terminal, the negative electrode contact part of the negative electrode terminal and the signal contact part of the signal terminal are all positioned in the containing groove.
2. The improved power tool plug of claim 1, wherein: two partition boards are formed in the accommodating groove, the accommodating groove is divided into three cavities which are distributed left and right by the two partition boards, the positive electrode contact part and the negative electrode contact part are respectively located in the cavities on the left side and the right side, and the signal contact part is located in the middle cavity.
3. The improved power tool plug of claim 1, wherein: the insulating backseat comprises a first insulating block, a second insulating block and two third insulating blocks, wherein the first insulating block, the second insulating block and the two third insulating blocks are spliced together and are all fixed together with an insulating shell through mosaic forming, the two third insulating blocks are spliced left and right and are positioned between the first insulating block and the second insulating block, the positive electrode terminal and the negative electrode terminal are respectively fixed on the first insulating block and the second insulating block through mosaic forming, and the plurality of signal terminals are respectively mosaic formed on the two third insulating blocks.
4. The improved power tool plug of claim 3, wherein: and the two third insulating blocks are matched, positioned and spliced through positioning columns and positioning holes.
5. The improved power tool plug of claim 3, wherein: and the first insulating block and the corresponding third insulating block and the second insulating block and the corresponding third insulating block are matched, positioned and spliced through the positioning convex part and the positioning groove.
6. The improved power tool plug of claim 3, wherein: the first insulation block is provided with a first pair of inserting posts in a forward extending mode, two positive electrode contact parts are arranged, and the two positive electrode contact parts are respectively exposed out of two side faces of the first pair of inserting posts.
7. The improved power tool plug of claim 3, wherein: the second insulation block is provided with a second pair of inserting posts in a forward extending mode, two negative electrode contact parts are arranged, and the two negative electrode contact parts are respectively exposed out of two side faces of the second pair of inserting posts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320533422.XU CN219779327U (en) | 2023-03-17 | 2023-03-17 | Improved plug of electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320533422.XU CN219779327U (en) | 2023-03-17 | 2023-03-17 | Improved plug of electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219779327U true CN219779327U (en) | 2023-09-29 |
Family
ID=88110991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320533422.XU Active CN219779327U (en) | 2023-03-17 | 2023-03-17 | Improved plug of electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219779327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117281088A (en) * | 2023-11-02 | 2023-12-26 | 东莞弘源技术有限公司 | Conveniently sealed bait pulling disc structure and assembling method |
-
2023
- 2023-03-17 CN CN202320533422.XU patent/CN219779327U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117281088A (en) * | 2023-11-02 | 2023-12-26 | 东莞弘源技术有限公司 | Conveniently sealed bait pulling disc structure and assembling method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |