CN210897848U

CN210897848U - Plug pulling-free plug module rubber coating film positioning structure

Info

Publication number: CN210897848U
Application number: CN201921781070.XU
Authority: CN
Inventors: 田穗
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-06-30
Anticipated expiration: 2029-10-22

Abstract

The utility model relates to a plug of exempting from to pull out plug exempts from to pull out module involucrum membrane location structure, including the inner tower, two at least bolts are installed to inner tower one end, the other end is provided with the inside shell that has the installation cavity, the inner tower is provided with the opening between the bolt, it exempts from to pull out the mechanism to be provided with the plug in the installation cavity, the plug is exempted from to pull out the mechanism and is still including the main part, the main part both ends are equipped with the operating button of establishhing relatively, the main part global annular positioning groove that sets up with operating button that is equipped with of operating button, operating button protrusion is provided with the locating piece structure in the plane that annular positioning groove is located, be: set up annular positioning groove and annular positioning step and improve the plug of exempting from to pull out the plug and exempt from to pull out the stability of module location when moulding plastics, the plug that has significantly reduced exempts from to pull out the module and moulds plastics the aversion of rubber coating in-process, the yields when improving the yield, and the appearance is pleasing to the eye harmonious.

Description

Plug pulling-free plug module rubber coating film positioning structure

Technical Field

The utility model relates to a pop out the plug field, concretely relates to plug of exempting from to pull out plug exempts from to pull out module rubber coating membrane location structure.

Background

The plug is a component used for matching with the socket to lead power supply to the electric appliance. The basic structure of the plug comprises a plug shell and a plug pin (also called an inserting piece) connected with the plug shell, and when the plug is used, the plug pin is inserted into a jack of a socket and then connected with an inserting sleeve to lead out a power supply. In order to ensure reliable connection between the plug bush and the plug pin, the plug bush is designed to be clamped on the plug pin with larger clamping force, in order to pull out the plug from the movable socket, the plug is pulled out in a mode that one hand presses the socket and the other hand grasps the plug, and the plug can be operated only by two hands, so that the operation is inconvenient; if the clamping force is very large or the strength of a user is small, the user needs to pull the plug outwards with force and shake the plug towards two sides to pull the plug out, so that the clamping force of the plug bush of the socket is abnormally reduced and the wall socket is separated.

The existing unplugging-free safety plug is characterized in that a telescopic elastic device is arranged between plugs, the telescopic elastic device is compressed after the plug is inserted into a socket and is limited in the minimum stroke, when the plug needs to be unplugged, a push button arranged on two sides of the plug forces an ejector pin to be unhooked so as to reset the ejector pin, and the plug is simultaneously ejected out of the socket, so that an operator can easily unplug the plug and quickly separate the plug without shaking the plug, the electric shock hazard when unplugging the plug is avoided, an electric appliance is protected, the plug can be easily unplugged by one-hand operation without pressing the socket by the other hand, the plug can be unplugged without pressing the socket by the other hand under the condition that the plug is plugged into a movable socket, the plug is greatly convenient for normal people and greatly convenient for users, and for disabled people with only one hand, the operation convenience of the product is greatly improved, becomes the inevitable choice for disabled persons.

However, the existing pop-up safety plug is disclosed as follows: the ejection plug of CN106953208A, its ejection mechanism adopts the mode that button and spring cooperate, impels the knock pin control mechanism to return the knock pin through the spring when pressing the button, but this kind of mechanism is troublesome when the assembly because the button needs to go to reset through the spring, needs to assemble button and spring one-to-one, and because the spring that adopts is more, therefore manufacturing cost is higher.

The application date of the chinese utility model patent with the plug pull-free mechanism of the plug pull-free plug with the publication number CN201920009259.0 is 2019, 01 month 04 day, and the granted announcement date is: 09 month 10 in 2019, its adoption is including interior frame, interior frame one end is equipped with the bolt other end and is provided with the inside shell that has the installation cavity, interior frame is provided with the opening between the bolt, it exempts from to pull out the mechanism to be provided with the plug in the installation cavity, the plug is exempted from to pull out the mechanism including the knock pin, the setting of opening, its characterized in that are worn out to knock pin one end: the plug is exempted from to pull out mechanism is still including the main part, the inside one end open-ended cavity that is equipped with of main part, the opening part is provided with the upper cover, main part one side is equipped with left button or right button or the relative left button and the right button of establishhing, main part other end butt is worn out to knock-pin one end has knock-pin return spring, the knock-pin is worn out open-ended other end department relatively and is provided with first spacing platform, left side button is equipped with and carries out spacing left button couple with the knock-pin when the knock-pin is in the shrink state, right side button is equipped with and hangs in touch the spacing right button couple with the knock-pin with left button when the knock-pin is in the shrink state, be equipped with in the main part and carry out spacing platform of spacing second to the knock-pin when the knock-pin is in the pop-.

As can be known from the attached drawing 2 of the specification, after the plug non-pull mechanism is installed on the housing, the operation button is exposed outside the housing, when the encapsulation process is performed on the outside of the non-pull plug, because the operation button does not have a positioning structure, after the plug pin and the plug non-pull module are assembled into a whole, the plug pin is inserted into the corresponding mold groove, during encapsulation, the plug non-pull module is caused to displace due to the impact force of plastic, thereby causing waste products which fail to be injection molded, two process holes are also arranged on the operation button, a steel needle is arranged in the mold, and positioning is completed through the matching of the steel needle and the process holes.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, a plug of exempting from to pull out plug exempts from to pull out module rubber coating membrane location structure is provided.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a plug of exempting from to pull out plug exempts from to pull out module involucrum membrane location structure, including the inner tower, two at least bolts are installed to inner tower one end, the other end is provided with the inside shell that has the installation cavity, the inner tower is provided with the opening between the bolt, it exempts from to pull out the mechanism to be provided with the plug in the installation cavity, the plug is exempted from to pull out the mechanism including the knock pin, the opening setting is worn out to knock pin one end, the plug is exempted from to pull out the mechanism and is still including the main part, the inside one end open-ended cavity that is equipped with of main part, the: the main part is equipped with the annular positioning groove with the concentric setting of operating button global at operating button, operating button protrusion is in the plane that annular positioning groove is located, be provided with the locating piece structure between operating button and the annular positioning groove.

By adopting the technical scheme, the unplugging-free plug needs to encapsulate all parts except the operating button by injection molding encapsulation after the plug unplugging-free module, the shell and other parts are assembled together, the operating button needs to be isolated by a positioning die when encapsulating, so as to prevent PVC soft rubber used by injection molding from entering the shell through a gap between the operating button and the shell to generate waste products and prevent the operating button from generating displacement to cause injection molding waste products during injection molding, the utility model adopts the technical scheme that the main body is provided with the annular positioning groove which is concentric with the operating button, the positioning block structure is arranged between the annular positioning groove and the operating button, the positioning is realized by the annular positioning groove and the positioning block structure, the traditional method that two process holes are arranged outside the operating button of the main body and the positioning is completed by matching the process holes with the steel needle on the positioning die, when the plug is subjected to appearance encapsulation, the hard rubber part on the inner side of the annular positioning groove is arranged in the positioning groove corresponding to the mold, so that the plug pull-free module is accurately positioned and fixed in the mold, the impact effect of high-speed plastic fluid on the plug pull-free module in the injection encapsulation process is borne, the plug pull-free module is prevented from being displaced in the injection encapsulation process, a large number of defective products are generated, and the practical production proves that 10-60% of defective products can be obviously reduced by adopting the structure, and the mass production efficiency is improved.

The plug pulling-free module rubber-coated film positioning structure of the pulling-free plug can be further arranged as follows: the locating block structure is annular location step, annular location step and operating button and annular positioning groove are equal interval setting, annular location step is higher than the plane that annular positioning groove is located and is less than the plane that operating button is located.

Adopt above-mentioned technical scheme, through set up annular location step between operating button and annular positioning groove, through setting up annular location step, when moulding plastics, annular location step up end or terminal surface and positioning die offset down, seal operating button, leak when preventing to mould plastics and glue and ooze into operating button gap all around, and annular location step area is great, and impact strength is high when moulding plastics, stability when promoting the location.

Foretell plug of exempting from to pull out plug exempts from to pull out module rubber coating membrane location structure shell further sets up to: the annular positioning groove and the annular positioning step are integrally formed in the main body.

Adopt above-mentioned technical scheme, with annular positioning groove, annular location step and operating button integrated into one piece in the shell, make four become one, the function is hidden, and ordinary user can not know the function of annular positioning groove and annular location step, and whole harmony is good, need not to open the fabrication hole for the product is more pleasing to the eye, and whole harmony is better.

The plug pulling-free module rubber-coated film positioning structure of the pulling-free plug can be further arranged as follows: be provided with many anti-skidding ribs of interval arrangement on the shell.

The plug pulling-free module rubber-coated film positioning structure of the pulling-free plug can be further arranged as follows: the shell is provided with a plurality of groups of anti-skidding salient points which are distributed at intervals.

Adopt above-mentioned technical scheme, thereby prevent to insert the smooth difficult male problem of user's hand when the plug through setting up anti-skidding rib or anti-skidding bump.

The utility model has the advantages that: set up annular positioning groove and annular positioning step and improve the plug of exempting from to pull out the plug and exempt from to pull out the stability of module location when moulding plastics, the plug that has significantly reduced exempts from to pull out the module and moulds plastics the aversion of rubber coating in-process, the yields when improving the yield, and the appearance is pleasing to the eye harmonious.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic diagram of a non-unplugging plug positioned by using a steel needle in the prior art.

Fig. 2 is a schematic diagram of a prior art unplugging-free plug using steel pins for positioning.

Fig. 3 is a schematic front view of embodiment 1 of the present invention.

Fig. 4 is a schematic side view of embodiment 1 of the present invention.

Fig. 5 is an explosion structure diagram of embodiment 1 of the present invention.

Fig. 6 is an explosion structure diagram of embodiment 2 of the present invention.

Fig. 7 is a schematic view of the matching structure between embodiment 1 of the present invention and the mold positioning block.

Detailed Description

Fig. 1-2 show a pop-up plug in the prior art, which includes a housing 1, a pop-up module 2 disposed in the housing 1, an electric wire 3 disposed at one end of the housing 1, and a plug 4 disposed at the other end of the housing 1, wherein two fabrication holes 11 are disposed on the housing 1, and the fabrication holes 11 are positioned by a steel needle 5 during injection molding.

As shown in fig. 3-7: a plug pulling-free plug is provided with a plug pulling-free module rubber coating positioning structure, which comprises an inner frame 1, wherein one end of the inner frame 1 is provided with two bolts 2, as shown in figure 5, as another mode, certainly, one end of the inner frame 1 is provided with three bolts 2 to form three plugs, the other end is provided with a shell 3 with an installation cavity inside, the inner frame 1 is provided with an opening between the bolts 2, a plug pulling-free mechanism is arranged in the installation cavity, the plug pulling-free mechanism comprises a top pin 4, one end of the top pin 4 penetrates out of the opening, the plug pulling-free mechanism also comprises a main body 5, a cavity with one end opened is arranged inside the main body 5, an upper cover 6 is arranged at the opening, two ends of the main body 5 are provided with operating buttons 7 which are oppositely arranged, the main body 5 is provided with an annular positioning groove 71 which is concentric with the operating buttons 7 on the circumferential, be provided with the locating piece structure between operating button 7 and the annular positioning groove 71, the locating piece structure is annular location step 72, and annular location step 72 sets up with operating button 7 and the equal interval of annular positioning groove 71, and annular positioning groove 71 and annular location step 72 and operating button 7 integrated into one piece are provided with many anti-skidding ribs 31 of arranging at intervals on the shell 1.

Claims

1. The utility model provides a plug of exempting from to pull out plug exempts from to pull out module involucrum membrane location structure, including the inner tower, two at least bolts are installed to inner tower one end, the other end is provided with the inside shell that has the installation cavity, the inner tower is provided with the opening between the bolt, it exempts from to pull out the mechanism to be provided with the plug in the installation cavity, the plug is exempted from to pull out the mechanism including the knock pin, the opening setting is worn out to knock pin one end, the plug is exempted from to pull out the mechanism and is still including the main part, the inside one end open-ended cavity that is equipped with of main part, the: the main part is equipped with the annular positioning groove with the concentric setting of operating button global at operating button, operating button protrusion is in the plane that annular positioning groove is located, be provided with the locating piece structure between operating button and the annular positioning groove.

2. The plug of exempting from to pull out plug exempts from to pull out module package glued membrane location structure of claim 1 characterized in that: the locating block structure is annular location step, annular location step and operating button and annular positioning groove are equal interval setting, annular location step is higher than the plane that annular positioning groove is located and is less than the plane that operating button is located.

3. The plug of exempting from to pull out plug exempts from to pull out module package glued membrane location structure of claim 2, characterized in that: the annular positioning groove and the annular positioning step are integrally formed in the main body.

4. The plug no-pull module rubber-coated film positioning structure of the no-pull plug as recited in any one of claims 1 to 3, wherein: be provided with many anti-skidding ribs of interval arrangement on the shell.

5. The plug no-pull module rubber-coated film positioning structure of the no-pull plug as recited in any one of claims 1 to 3, wherein: the shell is provided with a plurality of groups of anti-skidding salient points which are distributed at intervals.