Extension socket
By incorporating a push-button and drive unit into the power strip, it is possible to easily unplug the plug with one hand, solving the problem of inconvenient operation of existing power strips, improving ease of use and durability, and extending service life.
Patent Information
- Application Number
- CN202520278025.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-20
AI Technical Summary
Existing power strips require personnel to hold the power strip in place while removing the plug, which is inconvenient and affects the usability and user experience.
Design a power strip including a base, a housing, a socket component, and a movable component. By setting a push plate and a drive unit, users can easily unplug the plug without fixing the power strip. The mechanical linkage between the button and the push arm ensures that the push plate is pushed out when the plug is inserted, avoiding accidental operation.
It enables convenient one-handed plug removal, reduces friction and mechanical damage during plugging and unplugging, extends the service life of power strips and plugs, and avoids poor contact or damage caused by frequent plugging and unplugging.
Smart Images

Figure CN223680493U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a row of plugs belongs to the field of socket. BACKGROUND
[0002] The row of plugs is also called as the socket with line, the extension socket or the socket with extension line. The row of plugs refers to the socket with power line and plug and can be moved. It can be connected with more than one power plug, which saves the space and the line.
[0003] The existing row of plugs needs the personnel to fix the row of plugs and take out the plug when pulling out the plug. It is more inconvenient to take off when the plug is installed tightly, which influences the use effect and use experience. UTILITY MODEL CONTENT
[0004] The utility model aims at overcoming the shortcomings and deficiencies of prior art and provides a row of plugs.
[0005] A row of plugs, including base, shell, socket component for forming electrical connection with plug and movable component, the shell is equipped with the wire insertion hole, the movable component includes the press plate for plug insertion in the wire insertion hole, the press plate is linked with the drive part arranged in the base, the drive part is driven by the press plate to extend out of the base when the plug is inserted into the socket component, the press plate drives the plug to pop up and disconnect with the socket component when the plug needs to be pulled out. By setting the press plate and the drive part, the user can easily pull out the plug without fixing the row of plugs, which avoids the inconvenience of taking off the plug when the plug is installed tightly. Only one hand is needed to operate, which reduces the friction and mechanical damage to the socket during plugging and unplugging, effectively prolongs the service life of the row of plugs and the plug, and avoids poor contact or damage caused by frequent plugging and unplugging.
[0006] Preferably, the base and the shell form a connecting hole on both sides, the drive part is a button arranged in the connecting hole, the button is equipped with a press arm extending to the bottom of the press plate, and the press plate abuts against the press arm to push the button out of the connecting hole when the plug is inserted. The press arm on the button is directly connected with the bottom of the press plate. When the plug is inserted, the abutting action of the press arm and the press plate makes the button push out of the connecting hole, forming a mechanical linkage mode. This design provides higher transmission accuracy, ensuring that the press plate can smoothly drive the plug to pop up, avoiding the inconvenience caused by the difficulty or jamming of traditional row of plugs. The cooperation of the button and the press arm ensures that the press plate will only be pushed when the plug is inserted, avoiding the problem of accidental pop-up of the plug caused by misoperation or failure to press the button. By arranging the button in the connecting hole, the user can more intuitively and easily operate the row of plugs. The position of the button is easy to touch, without complicated plugging and unplugging process. The user only needs to press the button to pop up the plug, greatly improving the convenience and efficiency of operation.
[0007] Further, the pressing arm is in a circular arc concave shape, a first chamfer is arranged at the connection between the pressing arm and the button, and a pressing groove is arranged on the pressing plate and abuts against the pressing arm. The design of the pressing arm in a circular arc concave shape enables the pressing arm to be more smoothly and naturally matched when contacting the pressing plate, and reduces the friction and the feeling of jamming. The arrangement of the chamfer reduces the impact of the sharp corners on the pressing arm, ensures that the pressing action is more stable, prevents excessive wear or damage, and is beneficial to improve the overall durability.
[0008] Further, the pressing groove is arranged in an inclined manner and an outer end is provided with a second chamfer matched with the first chamfer. The chamfer design effectively reduces the contact between the sharp edges of the pressing groove and the pressing arm, so that the friction between the mechanical parts is reduced, and the jamming and wear in long-term use are reduced.
[0009] Further, the button is provided with a first spring on both sides, the middle part of the first spring is fixed in the button by a fixing bolt, and both ends are bent and extended into the base to abut against the inner wall thereof. The arrangement of the first spring ensures that the button can be automatically reset after returning, the elastic force of the spring pushes the button back to the original position, ensures the normal work of the pressing part during use, avoids the situation that the button is stuck or not returned after long-time pressing, and improves the reliability and use convenience of the product. The bending design of both ends of the spring can better abut against the inner wall of the base, disperses the action surface of the spring force, and is helpful to improve the stability and durability of the extension socket during frequent use.
[0010] Further, a guide groove is arranged in the shell, and guide arms are arranged on the outer walls on both sides of the button and are in sliding connection with the guide groove. The cooperation design of the guide arms and the guide groove ensures that the button can slide along the accurate trajectory during pressing, prevents the button from being laterally deviated or shaken. And the button can be limited, preventing it from being excessively popped out of the connecting hole. Through the cooperation of the guide arm and the guide groove, the movement of the pressing part is better guided and supported, thereby enhancing the strength and stability of the overall structure.
[0011] Preferably, the bottom of the pressing plate is provided with a first guide column, the shell is provided with a first guide hole matched with the first guide column, the base is provided with a guide channel for the up-and-down sliding of the first guide column, and the first guide column is sleeved with a second spring extending to the bottom of the guide channel. The matching design of the first guide column and the first guide hole ensures that the pressing plate slides along an accurate trajectory when moving up and down, avoiding the deviation or inclination of the pressing plate. The second spring is sleeved on the first guide column and extends to the bottom of the guide channel, which can provide a reliable reset force for the pressing plate after pressing operation. The design of the spring ensures that the pressing plate can return to the original position smoothly and quickly after pressing, enhancing the use fluency of the power strip and avoiding the situation that the plate member stays for a long time or cannot return to position after button operation. The design of the guide column and the guide channel provides additional support for the pressing plate, enhancing the stability of the power strip structure.
[0012] Further, the bottom of the pressing plate is provided with a second guide column around the periphery, and the shell is provided with a second guide hole for sliding connection with the second guide column. By setting the second guide column around the periphery of the bottom of the pressing plate and slidingly connecting with the second guide hole on the shell, the stress on the pressing plate can be evenly distributed, making the pressing plate move more stably and balancedly. The matching of the second guide column and the second guide hole ensures that the movement path of the pressing plate is more accurate.
[0013] Preferably, the socket component includes a static contact, a mounting seat and a safety door arranged in the base, the mounting seat is provided with a receiving groove for accommodating the safety door and an insertion hole for the plug to insert and form an electrical connection with the static contact, the plug abuts against the safety door to push it to rotate in the receiving groove, and then the plug is inserted into the insertion hole to be fixedly connected with the static contact. When the plug is not inserted, the safety door will close the socket part, avoiding the exposure of the static contact and reducing the risk of electric shock or short circuit. Only when the plug is inserted, the safety door will be opened, ensuring the safety of the socket when not in use. When the plug is inserted, the rotation of the safety door not only opens the insertion hole, but also ensures the stable and reliable contact between the plug and the static contact. The rotation of the safety door pushed by the plug during the insertion process ensures that the plug can be accurately inserted into the insertion hole and fixedly connected with the static contact, avoiding the unstable electrical connection caused by incomplete insertion or loose plug.
[0014] Further, the safety door is provided with a pushing slope on both sides, and the safety door is pushed by the plug to rotate in the receiving groove with the center line of the pressing plate as the rotation center. The design of the slope can effectively reduce the friction and resistance between the plug and the safety door, making the plug insertion more smooth, avoiding the difficult or incoherent situation caused by excessive friction.
[0015] The utility model discloses a beneficial effect as follows: through setting press the board and drive part, user need not fixed row plug in can easily pull out the plug, avoided the inconvenience of when the plug installation is close to tear down the plug, only need single hand to operate, reduced the friction and the mechanical damage to socket when plugging, can effectively prolong the service life of row plug and plug, avoided the contact of the bad or damage caused by frequent plugging. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the embodiment or prior art description needed to use the drawing briefly introduce, obviously, below description's drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, according to these drawings obtains other drawings still belongs to the scope of the utility model.
[0017] Figure 1 It is the main body structure diagram of the utility model;
[0018] Figure 2 It is the structure diagram of the utility model to remove press the board;
[0019] Figure 3 It is the structure diagram of the utility model to remove the shell;
[0020] Figure 4 It is Figure 3 Detail enlarged view in A of
[0021] Figure 5 It is the sectional view of the utility model;
[0022] Figure 6 It is Figure 5 Detail enlarged view in B of
[0023] Figure 7 It is the structure diagram of shell;
[0024] Figure 8 It is the structure diagram of press the board;
[0025] Figure 9 It is the structure diagram of mounting seat;
[0026] Figure 10 It is the structure diagram of part of parts in movable component;
[0027] In the diagram, 1. Base; 11. Connecting hole; 12. Guide channel; 2. Housing; 21. Socket hole; 22. Guide groove; 23. First guide hole; 24. Second guide hole; 3. Socket component; 31. Stationary contact; 32. Mounting base; 321. Receiving groove; 322. Insertion hole; 33. Safety door; 331. Pushing slope; 4. Moving part; 41. Press plate; 411. Press groove; 412. Second chamfer; 413. First guide post; 414. Second spring; 415. Second guide post; 5. Drive unit; 51. Button; 511. Press arm; 512. First chamfer; 513. First spring; 514. Fixing bolt; 515. Guide arm. Detailed Implementation
[0028] To make the objectives, technical solutions and advantages of this utility model clearer, the utility model will be described in further detail below with reference to the accompanying drawings.
[0029] It should be noted that all uses of "first" and "second" in the embodiments of this utility model are for the purpose of distinguishing two entities or parameters with the same name but different names. It is clear that "first" and "second" are only for the convenience of expression and should not be construed as limiting the embodiments of this utility model. Subsequent embodiments will not explain this in detail.
[0030] The directional and positional terms used in this utility model, such as "up," "down," "front," "back," "left," "right," "inner," "outer," "top," "bottom," and "side," are merely for reference to the accompanying drawings. Therefore, the directional and positional terms used are for the purpose of explaining and understanding this utility model, and not for limiting the scope of protection of this utility model.
[0031] like Figures 1-10 The illustration shows an embodiment of a power strip according to this invention, comprising a base 1, a housing 2, a socket component 3 for electrical connection with a plug, and a movable component 4. The housing 2 has a plug hole 21. The movable component 4 includes a push plate 41 located in the plug hole 21 for plug insertion. The push plate 41 is linked to a drive unit 5 located within the base 1. When the plug is inserted into the socket component 3, the drive unit 5 is driven by the push plate 41 to extend out of the base 1. When the plug needs to be unplugged, pressing the drive unit 5 causes the push plate 41 to eject the plug, disengaging it from the socket component 3. By incorporating the push plate 41 and drive unit 5, users can easily unplug the plug without securing it, avoiding the inconvenience of removing the plug when it is tightly installed. Operation can be performed with just one hand, reducing friction and mechanical damage to the socket during insertion and removal, effectively extending the lifespan of the power strip and plug, and preventing poor contact or damage caused by frequent insertion and removal.
[0032] The base 1 and the shell 2 form a connecting hole 11 on both sides, the driving part 5 is a button 51 arranged in the connecting hole 11, the button 51 is provided with a pressing arm 511 extending to the bottom of the pressing plate 41, and the pressing plate 41 abuts against the pressing arm 511 when the plug is inserted to push the button 51 out of the connecting hole 11. The pressing arm 511 on the button 51 is directly connected with the bottom of the pressing plate 41, and when the plug is inserted, the abutting action of the pressing arm 511 and the pressing plate 41 pushes the button 51 out of the connecting hole 11, forming a mechanical linkage mode. This design provides higher transmission accuracy, ensures that the pressing plate 41 can smoothly drive the plug to pop out, and avoids the inconvenience caused by the difficulty or jamming of the traditional power strip. The cooperation of the button 51 and the pressing arm 511 ensures that the pressing action of the pressing plate 41 only occurs when the plug is inserted, avoiding the problem of accidental ejection of the plug caused by misoperation or failure to press the button 51. By arranging the button 51 in the connecting hole 11, the user can more intuitively and easily operate the power strip. The position of the button 51 is easy to reach, and there is no need for a complicated plugging process. The user only needs to press the button 51 to pop out the plug, greatly improving the convenience and efficiency of operation.
[0033] The difference between the present embodiment and the above-mentioned embodiments is that the pressing arm 511 is in a circular arc recessed shape, the connection between the pressing arm 511 and the button 51 is provided with a first chamfer 512, and the pressing plate 41 is provided with a pressing groove 411 that cooperates with the pressing arm 511. The design of the pressing arm 511 in a circular arc recessed shape enables the pressing arm 511 to cooperate more smoothly and naturally when it contacts the pressing plate 41, reducing friction and the feeling of jamming. The setting of the chamfer reduces the impact of sharp corners on the pressing arm 511, ensuring that the pressing action is more stable, preventing excessive wear or damage, and being conducive to improving the overall durability.
[0034] The pressing groove 411 is arranged in an inclined manner and the outer end is provided with a second chamfer 412 matched with the first chamfer 512. The chamfer design effectively reduces the contact between the sharp edges of the pressing groove 411 and the pressing arm 511, reducing the friction between mechanical components and reducing jamming and wear during long-term use.
[0035] The button 51 is provided with a first spring 513 on both sides, the middle part of the first spring 513 is fixed in the button 51 by a fixed bolt 514, and the two ends are bent to extend into the base 1 and abut against the inner wall thereof. The setting of the first spring 513 ensures that the button 51 can automatically reset after returning, and the spring force will push the button 51 back to the original position, ensuring the normal operation of the pressing part during use, avoiding the situation that the button 51 is stuck or does not return after being pressed for a long time, and improving the reliability and use convenience of the product. The bent design of the two ends of the spring can better abut against the inner wall of the base 1, dispersing the action surface of the spring force, which helps to improve the stability and durability of the power strip during frequent use.
[0036] The difference between this embodiment and the above embodiment is that the shell 2 is provided with a guide groove 22, and the outer wall on both sides of the button 51 is provided with a guide arm 515 which is in sliding connection with the guide groove 22. The cooperation between the guide arm 515 and the guide groove 22 ensures that the button 51 can slide along an accurate trajectory during pressing, preventing the button 51 from deviating or shaking laterally. In addition, the button 51 can be limited to prevent it from being pulled out of the connecting hole 11 too much. Through the cooperation between the guide arm 515 and the guide groove 22, the movement of the pressing component is better guided and supported, thereby enhancing the strength and stability of the overall structure.
[0037] The bottom of the pressing plate 41 is provided with a first guide column 413, the shell 2 is provided with a first guide hole 23 which cooperates with the first guide column 413, and the base 1 is provided with a guide channel 12 for the up-and-down sliding of the first guide column 413. The first guide column 413 is sleeved with a second spring 414 which extends to the bottom of the guide channel 12. The cooperation between the first guide column 413 and the first guide hole 23 ensures that the pressing plate 41 slides along an accurate trajectory when moving up and down, avoiding deviation or tilting of the pressing plate 41. The second spring 414 is sleeved on the first guide column 413 and extends to the bottom of the guide channel 12, which can provide reliable restoring force for the pressing plate 41 after pressing. The design of the spring ensures that the pressing plate 41 can return to the original position smoothly and quickly after pressing, enhancing the smoothness of use of the power strip and avoiding the situation that the plate member stays for a long time or cannot return after the button 51 is operated. The design of the guide column and the guide channel 12 provides additional support for the pressing plate 41, enhancing the stability of the power strip structure.
[0038] The difference between this embodiment and the above embodiment is that the bottom of the pressing plate 41 is provided with a second guide column 415 around the periphery, and the shell 2 is provided with a second guide hole 24 which cooperates with the second guide column 415 in sliding connection. By arranging the second guide column 415 around the periphery of the bottom of the pressing plate 41 and cooperating with the second guide hole 24 on the shell 2 in sliding connection, the stress on the pressing plate 41 can be evenly distributed, making the pressing plate 41 more stable and balanced when moving up and down. The cooperation between the second guide column 415 and the second guide hole 24 ensures that the movement path of the pressing plate 41 is more accurate.
[0039] The socket component 3 comprises a static contact 31, a mounting base 32 and a safety door 33 arranged in the base 1, the mounting base 32 is provided with a containing groove 321 for accommodating the safety door 33 and an insertion hole 322 for the plug to insert and form an electrical connection with the static contact 31, the plug is pushed by the safety door 33 abutting to rotate in the containing groove 321 and then inserted into the insertion hole 322 to form a fixed connection with the static contact 31. When the plug is not inserted, the safety door 33 will close the socket part, avoiding the static contact 31 exposed outside, reducing the risk of electric shock or short circuit. Only when the plug is inserted, the safety door 33 will be opened, ensuring the safety of the socket when not in use. When the plug is inserted, the rotation of the safety door 33 not only opens the insertion hole 322, but also ensures the stable and reliable contact between the plug and the static contact 31. The rotation of the safety door 33 is pushed by the plug during the insertion process, ensuring that the plug can be accurately inserted into the insertion hole 322 and form a fixed connection with the static contact 31, avoiding the problem of unstable electrical connection caused by incomplete insertion or loose plug.
[0040] The safety door 33 is provided with a pushing slope 331 on both sides, and the safety door 33 is pushed by the plug to rotate in the containing groove 321 with the center line of the pressing plate 41 as the rotation center. The design of the slope can effectively reduce the friction and resistance between the plug and the safety door 33, making the plug insertion more smooth, avoiding the difficult or incoherent situation caused by excessive friction.
[0041] The above only discloses the preferred embodiment of the utility model, of course, cannot limit the scope of the utility model, therefore, the equivalent changes made according to the utility model claims still belong to the scope covered by the utility model.
[0042] Although the utility model has been described with reference to several specific embodiments, it should be understood that the utility model is not limited to the disclosed specific embodiments. The utility model is intended to cover various modifications and equivalent arrangements included in the spirit and scope of the appended claims.
Claims
1. A power strip, characterized by: The utility model provides an electrical connector, which comprises a base, a shell, a socket part for forming an electrical connection with a plug, and a movable part, wherein the shell is provided with a wire insertion hole, the movable part comprises a pressing plate for plug insertion in the wire insertion hole, and the pressing plate is connected with a driving part arranged in the base, the driving part is driven to extend out of the base by the pressing plate when the plug is inserted into the socket part, and the plug is ejected and disconnected with the socket part by pressing the driving part when the plug needs to be pulled out.
2. The power strip of claim 1, wherein: The base and the shell are provided with connecting holes on both sides, the driving part is a button arranged in the connecting hole, the button is provided with a pressing arm extending to the bottom of the pressing plate, and the pressing plate is in abutment with the pressing arm to push the button out of the connecting hole when the plug is inserted.
3. The power strip of claim 2, wherein: The pressing arm is in the shape of a circular arc recess, a first chamfer is arranged at the connection between the pressing arm and the button, and the pressing plate is provided with a pressing groove in abutment with the pressing arm.
4. The power strip of claim 3, wherein: The pressing groove is arranged in an inclined manner and is provided with a second chamfer at the outer end matched with the first chamfer.
5. The power strip of claim 2, wherein: The button is provided with first springs on both sides, the middle part of the first spring is fixed in the button by a fixing bolt, and both ends of the first spring extend into the base in a bent manner and are in abutment with the inner wall of the base.
6. The power strip of claim 2, wherein: The shell is provided with a guide groove, and the outer wall of the button is provided with guide arms in sliding connection with the guide groove.
7. The power strip of claim 1, wherein: The bottom of the pressing plate is provided with a first guide column, the shell is provided with a first guide hole matched with the first guide column, the base is provided with a guide channel for the up-and-down sliding of the first guide column, and the first guide column is sleeved with a second spring with the other end extending to the bottom of the guide channel.
8. The power strip of claim 7, wherein: The bottom of the pressing plate is provided with a first guide column, the shell is provided with a first guide hole matched with the first guide column, the base is provided with a guide channel for the up-and-down sliding of the first guide column, and the first guide column is sleeved with a second spring with the other end extending to the bottom of the guide channel.
9. The power strip of claim 1, wherein: The socket part comprises a static contact arranged in the base, a mounting seat, and a safety door, the mounting seat is provided with an accommodation groove for accommodating the safety door and an insertion hole for plug insertion and electrical connection with the static contact, the plug is in abutment with the safety door to push the safety door to rotate in the accommodation groove, and then the plug is inserted into the insertion hole and fixedly connected with the static contact.
10. The power strip of claim 9, wherein: The safety door is provided with a pushing inclined surface on both sides, and the safety door is pushed to rotate in the accommodation groove with the center line of the pressing plate as the rotation center.