CN219303980U - An inner core component, a plug and an electrical appliance - Google Patents

Abstract

The utility model provides an inner core assembly, a plug and an electric appliance, which belong to the technical field of plugs and comprise: the plug comprises an inserting sheet and a wiring terminal which are connected; the inner shell comprises a fixed bracket made of PC material, and the fixed bracket is provided with a through hole matched with the inserting sheet; the inserting piece is inserted into the perforation, and the inserting piece and the wiring end are respectively positioned on two opposite sides of the fixed support. The beneficial effects of the utility model are as follows: the fixing support made of PC material plays a role of fixing and supporting the bolt, so that other parts of the inner shell and the plug can be made of low-strength and hardness materials, and the production cost is reduced.

Description

An inner core component, a plug and an electrical appliance

technical field

The utility model belongs to the technical field of plugs, and relates to an inner core assembly, a plug with the inner core assembly, and an electrical appliance with the plug.

Background technique

The plug is the connector on the electronic and electrical products connected to the power supply. The plug is connected to the power supply by inserting into the socket. The plug usually includes a shell, a terminal and a pin. One end of the pin is connected to the wire of the load through the terminal, and the other end of the pin is The casing is extended to be inserted into the socket to connect the power supply. The terminal usually includes a terminal block and a terminal screw for fixing the wire. The terminal screw can press the loaded wire onto the pin.

In the prior art, the pins and terminals are directly fixed on the lower cover of the shell, and the entire shell needs to be made of relatively high-strength PC material (if low-cost PP material is used, the supporting effect is poor, and the pins tend to be skewed and loose. ), so the cost is relatively high.

Utility model content

The purpose of the utility model is to solve the above-mentioned problems in the prior art, and propose an inner core assembly, a plug, and an electrical appliance.

The purpose of the utility model can be achieved through the following technical solutions: an inner core assembly, comprising:

a pin, said pin comprising a connected blade and a terminal;

An inner casing, the inner casing includes a fixed bracket made of PC material, and the fixed bracket is provided with a perforation matching the insert;

The insertion piece is inserted into the through hole, and the insertion piece and the terminal are respectively located on opposite sides of the fixing bracket.

Preferably, at least one side of the fixing bracket is provided with a reinforcing beam surrounding the through hole to wrap the insertion piece.

Preferably, a reinforcing beam wrapping the insertion piece is provided around the through hole on the side of the fixing bracket away from the terminal.

Preferably, the side of the fixing bracket close to the terminal is provided with a plurality of installation plates arranged at intervals, and the terminal is installed between two adjacent installation plates.

Preferably, each of the mounting plates is arranged along an arc track.

Preferably, a supporting rib is provided on the mounting plate, and the terminal abuts against the supporting rib.

Preferably, the inner casing further includes an inner cover, the inner cover is connected to the fixing bracket, and the terminal is installed in an inner cavity surrounded by the inner cover and the fixing bracket.

Preferably, the top surface of the inner cover away from the fixing bracket is provided with a first through hole exposing the wiring screw of the terminal; the side of the inner cover in contact with the fixing bracket is provided with a second through hole for wiring. hole.

A plug is also proposed, including the inner core assembly, and a plug housing made of PP material, the inner housing of the inner core assembly is assembled in the plug housing, and the inner core assembly The blade protrudes from the plug housing.

An electrical consumer is also proposed with the described plug.

Compared with the prior art, the beneficial effects of the utility model are:

1. The fixing bracket made of PC plays the role of fixing and supporting the pin, so other parts of the inner shell and the plug can be made of low-strength and hard materials, which reduces the production cost.

2. The perforation and the pin are set as an interference fit, and the pin and the perforation are tightly fitted so as to constrain the pin in the perforation and prevent the pin from being skewed and loose.

3. When the inner core assembly is installed in the plug shell, the reinforcing beam penetrates into the avoidance hole and is located between the avoidance hole and the pin, which plays a supporting role, so the whole plug shell does not need to use high-strength and hardness with high price The material, such as PC material, can be made of low-priced general strength and hardness materials, such as PP material, which reduces the production cost while maintaining the high-strength support effect on the bolt.

Description of drawings

Fig. 1 is an exploded view of the structure of the inner core assembly of the present invention.

Fig. 2 is a schematic structural view of the inner core assembly of the present invention.

Fig. 3 is a structural schematic diagram of another viewing angle of the inner core assembly of the present invention.

Fig. 4 is an exploded view of the structure of the plug of the present invention.

Fig. 5 is a schematic structural diagram of the plug of the present invention.

Fig. 6 is a half-sectional schematic diagram of the plug of the present invention.

In the figure, 100, latch; 110, insert; 120, terminal; 200, inner shell; 210, fixed bracket; 211, perforation; 212, reinforcing beam; 213, mounting plate; 220, inner cover; 221, tight distribution pin; 222, first through hole; 223, second through hole; 300, plug housing; 310, upper cover; 320, lower cover; 321, escape hole.

Detailed ways

The following are specific embodiments of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model is not limited to these embodiments.

Embodiment one:

As shown in Figures 1-6, an inner core assembly includes: a plug 100 and an inner casing 200, the plug 100 includes a connected insert 110 and a terminal 120; the inner casing 200 includes a PC material The fixed bracket 210 is formed, and the fixed bracket 210 is provided with a through hole 211 matching the insertion piece 110; the insertion piece 110 is inserted into the through hole 211, and the insertion piece 110 and the terminal 120 are respectively located at the The opposite sides of the fixed bracket 210.

The number of plug pins 100 is at least two, that is, the plug pin 100 is a two-plug design or a three-plug design. Supporting effect, in the actual structure, the fixed bracket 210 can be made of high-strength and high-hardness materials such as PC materials. Other parts of the housing 200 and the plug can be made of relatively low-priced materials with general strength and hardness, such as PP, which effectively reduces production costs.

The fixing bracket 210 made of PC plays the role of fixing and supporting the insertion piece 110, so other parts of the inner housing 200 and the plug can be made of low-strength and hard materials, which reduces the production cost.

Preferably, in this embodiment, the plug 100 and the inner housing 200 are preassembled together to form an independent module structure, that is, an inner core assembly that can be detachably connected to the plug is formed, and the modular design of the inner core assembly can be very convenient It is easy to install and disassemble, so it is very convenient when wiring and the wiring holes are not easy to be blocked.

Embodiment two:

On the basis of the first embodiment, at least one side of the fixing bracket 210 is provided with a reinforcing beam 212 surrounding the through hole 211 to wrap the insertion piece 110 .

Embodiment three:

On the basis of the first embodiment, the side of the fixing bracket 210 away from the terminal 120 is provided around the through hole 211 with a reinforcing beam 212 wrapping the insertion piece 110 .

In the above-mentioned second and third embodiments, the reinforcement beam 212 is a structure formed by extending outward on the surface of the fixing bracket 210. The design of the reinforcement beam 212 can extend the depth of the perforation 211 to support the insert 110, and the perforation 211 The contact area between the inner wall surface and the insertion piece 110 can provide a better supporting effect for the insertion piece 110 , especially to ensure that the plug passes the press test.

The reinforcement beam 212 is wrapped around the insertion piece 110. When the inner core assembly is installed in the plug housing 300, the reinforcement beam 212 penetrates into the escape hole 321 of the plug housing 300 and is located between the escape hole 321 and the insertion piece 110. It plays a supporting role, so that the insert piece 110 does not contact the plug housing 300, so the entire plug housing 300 does not need to be made of high-strength and hard materials with high prices, such as PC materials, and can be made of low-priced general strength and Made of hard material, such as PP material, in maintaining high-strength support for the insertion piece 110 , it reduces the production cost.

Embodiment four:

As shown in Figures 1-3, the side of the fixed bracket 210 close to the terminal 120 is provided with a plurality of mounting plates 213 arranged at intervals, and the terminal 120 is installed between two adjacent mounting plates 213 between.

Preferably, each of the mounting plates 213 is arranged along an arc track.

Preferably, the mounting plate 213 is provided with a supporting rib 215 , and the terminal 120 abuts against the supporting rib 215 .

The two adjacent mounting plates 213 can fix the terminals 120 to realize electrical isolation, thereby facilitating wiring and ensuring safe wiring.

Embodiment five:

As shown in Figures 1-3, on the basis of the first embodiment, the inner casing 200 further includes an inner cover 220, the inner cover 220 is connected to the fixing bracket 210, and the terminal 120 is installed on the In the cavity enclosed by the inner cover 220 and the fixing bracket 210 .

The inner casing 200 is actually composed of an inner cover 220 and a fixing bracket 210. Since the fixing bracket 210 is made of PC material, it can already meet the high-strength support effect of the insert piece 110, so the inner cover 220 can be made of a general-strength material. , such as made of PP material, reduces the cost.

Preferably, the inner cover 220 is provided with tight fit pins 221, and the fixed bracket 210 is provided with tight fit holes 214, and the tight fit pins 221 are penetrated through the tight fit holes 214 so that the inner cover 220 and The fixing bracket 210 is connected.

In this embodiment, the inner cover 220 opens a first through hole 222 on the top surface away from the fixing bracket 210 to expose the terminal screw 120; A second through hole 223 for wiring is opened on the side.

The first through hole 222 can expose the wiring screw of the terminal 120 , which is convenient for turning the wiring screw, and the second through hole 223 can be used for connecting a power supply wire during wiring.

Embodiment six:

As shown in Figures 1-6, a plug is also provided, including the inner core assembly and a plug housing 300, the inner housing 200 of the inner core assembly is assembled in the plug housing 300, And the insert piece 110 of the inner core assembly protrudes out of the plug housing 300 .

The plug housing 300 includes an upper cover 310 and a lower cover 320, the upper cover 310 is connected to the lower cover 320, the inner housing 200 is assembled between the upper cover 310 and the lower cover 320, The insertion piece 110 passes through the lower cover 320 .

It should also be noted that when assembling the plug, the inner core components are pre-assembled, then the wires are connected, and then assembled to the lower cover 320, and then the upper cover 310 and the lower cover 320 are fixed together, which is very convenient. The difficulty of assembly is reduced.

The lower cover 320 is provided with an avoidance hole 321, the reinforcing beam 212 is embedded in the avoidance hole 321, and the outer peripheral surface of the reinforcement beam 212 is closely attached to the wall surface of the avoidance hole 321, and the insertion piece 110 Pass through the reinforcing beam 212

It should be noted that the size of the avoidance hole 321 is larger than the size of the insertion piece 110, although the insertion piece 110 passes through the avoidance hole 321 but does not contact the avoidance hole 321, the reinforcement beam 212 is embedded in the escape hole 321, and the reinforcement beam 212 is wrapped around the peripheral surface of the insert 110 to play a supporting effect, so in the overall structure, the lower cover 320 does not need to play the role of supporting the insert 110, and can be made of general strength and hardness materials without affecting the insert 110 support effect.

In addition, the reinforcement beam 212 is closely fitted to the escape hole 321 , so that the reinforcement beam 212 and the avoidance hole 321 can be closely fitted together, and the insertion piece 110 is prevented from loosening or shaking relative to the lower cover 320 of the plug housing 300 .

The strength and hardness of the fixing bracket 210 are greater than those of the inner cover 220 and the plug housing 300 .

The plug has the advantages of low cost and convenient wiring. Since the inner core assembly can be disassembled in the plug housing 300, when wiring, the inner core assembly can be disassembled first, and then the wires of the load can be inserted into the wiring hole and connected with the wiring. In the whole plug, since the fixing bracket 210 plays a role of providing high-strength support for the insertion piece 110, the inner cover 220, the upper cover 310 and the lower cover 320 can be made of materials with general strength and hardness. In an actual structure, the fixing bracket 210 is made of PC material, and the inner cover 220 , the upper cover 310 and the lower cover 320 are made of PP material, which reduces the cost.

Embodiment seven:

An electric appliance has the plug as described in the sixth embodiment, and the plug is electrically connected to the main body of the electric appliance through a cable.

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiment of the utility model are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

In addition, in the present application, descriptions such as "first", "second", "one" and so on are used for description purposes only, and cannot be understood as indicating or implying their relative importance or implicitly indicating the indicated technology. number of features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, the terms "connection" and "fixation" should be understood in a broad sense, for example, "fixation" can be a fixed connection, a detachable connection, or an integration; It may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediary, and it may be an internal communication between two elements or an interaction relationship between two elements, unless otherwise clearly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In addition, the technical solutions of the various embodiments of the present invention can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered as the technical solution. Combination does not exist, nor is it within the scope of protection required by the utility model.

The specific embodiments described herein are only examples to illustrate the spirit of the present invention. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the utility model or go beyond the appended claims defined range.

Claims (10)

1. An inner core assembly, comprising:

a plug pin (100), the plug pin (100) comprising an insert (110) and a terminal (120) connected;

the inner shell (200), the inner shell (200) comprises a fixed bracket (210) made of PC material, and the fixed bracket (210) is provided with a perforation (211) matched with the inserting sheet (110);

the insert (110) is inserted into the through hole (211), and the insert (110) and the terminal (120) are located at opposite sides of the fixing bracket (210), respectively.

2. The core assembly of claim 1, wherein: at least one side of the fixing support (210) is provided with a reinforcing beam (212) wrapping the inserting sheet (110) around the through hole (211).

3. The core assembly of claim 1, wherein: a reinforcing beam (212) wrapping the inserting sheet (110) is arranged around the through hole (211) on one side, far away from the wiring end (120), of the fixing support (210).

4. The core assembly of claim 1, wherein: a plurality of mounting plates (213) are arranged at intervals on one side, close to the wiring terminals (120), of the fixing support (210), and the wiring terminals (120) are arranged between two adjacent mounting plates (213).

5. The core assembly of claim 4, wherein: each mounting plate (213) is arranged along an arc track.

6. The core assembly of claim 4, wherein: the mounting plate (213) is provided with a support rib (215), and the wiring terminal (120) is abutted with the support rib (215).

7. The core assembly of claim 1, wherein: the inner housing (200) further comprises an inner cover (220), the inner cover (220) is connected with the fixing support (210), and the wiring terminal (120) is installed in an inner cavity surrounded by the inner cover (220) and the fixing support (210).

8. The core assembly of claim 7, wherein: the top surface of the inner cover (220) far away from the fixed bracket (210) is provided with a first through hole (222) for exposing a wiring screw of the wiring terminal (120); the side surface of the inner cover (220) contacted with the fixed bracket (210) is provided with a second through hole (223) for wiring.

9. A plug comprising the core assembly according to any one of claims 1-8, further comprising a plug housing (300) of PP material, the inner housing (200) of the core assembly fitting within the plug housing (300) and the blades (110) of the core assembly protruding out of the plug housing (300).

10. An electrical appliance having a plug as claimed in claim 9.

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