Multi-switch socket
By employing an interference fit between the upper and lower mounting bases and a strip-shaped protrusion structure in the multi-switch socket, the problem of loose socket contacts is solved, thereby improving the stability and lifespan of the socket.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-03-27
AI Technical Summary
The installation stability of existing socket contacts is not ideal, and they are prone to loosening, especially during plugging and unplugging, where they become severely loose, affecting the user experience and causing damage.
A multi-switch socket was designed, which adopts a structure in which the upper and lower mounting bases cooperate. The socket spring is tightly connected to the mounting groove through interference fit, and a strip protrusion is set in the mounting groove to increase the contact area and clamping force, eliminate the gap at the upper end of the socket spring, and prevent loosening and wear.
It improves the installation stability and service life of the socket contacts, avoids loose connections and overheating issues, extends the lifespan of the socket, and enhances the user experience.
Smart Images

Figure CN224053455U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a socket, especially a multi-switch socket. BACKGROUND
[0002] The power strip refers to a multi-position socket with power cord and plug and can be moved, can connect more than one power plug, both saves the space and saves the line.
[0003] Affected by the structure, the installation stability of the existing socket spring is not ideal, and looseness will occur, especially the up and down looseness during the plug-in process, which affects the use experience, and the long-time plug-in is easy to damage the power strip. SUMMARY
[0004] The utility model provides a compact structure, spring installation high, use effectual and long -lived multi -switch socket that the technical problem that the utility model wants to solve.
[0005] The utility model provides a multi-switch socket, including socket body, the upper surface of socket body is equipped with multiple groups of jack 110, the installation cavity is formed in socket body, the installation cavity is equipped with the same as the number of jack and one -to -one electric connection subassembly, electric connection subassembly includes the lower mounting seat 21 of setting in the lower bottom of installation cavity, the installation groove 210 of open mouth is formed in the lower mounting seat 21, the socket spring 5 is equipped in the installation groove 210, the socket spring 5 includes first metal sheet 51, the both sides of first metal sheet 51 are bent upwards and form second metal sheet 54, the end of second metal sheet 54 is inwardly inclined and bent and forms third metal sheet 55, the end of third metal sheet 55 is outwardly inclined and bent and forms fourth metal sheet 56, and the clamping area of opening upwards is formed between two fourth metal sheets 56, the upper bottom of installation cavity is equipped with the same as the number of lower mounting seat 21 and one -to -one upper mounting seat 11, the lower bottom of upper mounting seat 11 forms the limiting surface 11a, the limiting surface 11a is in contact with the top surface of lower mounting seat 21 and the top of fourth metal sheet 56 simultaneously and realizes the limit, and the hole body of coaxial with clamping area is formed in the upper mounting seat 11 and forms jack 110.
[0006] Further, the distance between the outer walls of the two second metal sheets 54 is greater than the width of the installation groove 210 and is interference fitted in the installation groove 210.
[0007] Further, the two second metal sheets 54 have an included angle and form a V-shaped structure with a large upper end and a small lower end. When the socket spring 5 is installed into the mounting groove 210, the inner wall of the mounting groove 210 contacts the second metal sheet 54 and causes the second metal sheet 54 to elastically deform inwardly, thereby forming an interference fit.
[0008] Further, the included angle between the two second metal sheets 54 is greater than 1 degree and less than or equal to 5 degrees.
[0009] Further, the distance between the end portions of the two fourth metal sheets 56 is greater than the width of the jack 110.
[0010] Further, the inner wall of the mounting groove 210 is provided with a plurality of strip-shaped protrusions 212, the length direction of the strip-shaped protrusions 212 is parallel to the insertion direction of the socket spring 5, and the strip-shaped protrusions 212 can contact the side wall of the socket spring 5.
[0011] Further, the cross section of the mounting groove 210 is rectangular, and at least two strip-shaped protrusions are arranged on each of the four inner walls of the mounting groove 210.
[0012] Further, the two adjacent lower mounting seats 21 are connected by a reinforcing rib.
[0013] Further, a reinforcing rib is arranged between the side wall of the lower mounting seat 21 and the bottom surface of the mounting cavity.
[0014] Further, the socket body includes an upper shell 1 and a lower shell 2, the lower mounting seat 21 is arranged on the lower shell 2, and the upper mounting seat 11 is arranged on the upper shell 1.
[0015] Further, the second metal sheet 54 and the third metal sheet 55 are provided with convex ribs connected to each other.
[0016] The utility model discloses a multi-switch socket, set up the upper mounting seat, its bottom surface and the top surface of lower mounting seat and the top of fourth metal sheet contact, can realize the support of the upper surface of socket body, improve its support degree, can avoid the deformation or damage because of excessive stress, and the use experience is good, and the life is long, the upper end gap of socket spring piece is eliminated simultaneously, that is, the movement space of the upper end of socket spring piece is eliminated, when the plug is pulled out, can effectively prevent the plug rod from driving socket spring piece displacement, avoids the socket spring piece frequent up and down movement because of long -term plug -in, reduced wear and tear, prolongs the service life, sets up the strip protruding structure in the mounting groove, can form interference fit on one hand, increases the contact area of socket spring piece and mounting groove, improves the installation stability, avoids the loosening, simultaneously, can improve the clamping degree of fourth metal sheet, improves the contact reliability with metal plug rod, avoids the virtual connection phenomenon, reduces or avoids the heating problem caused by poor contact, prolongs the service life of socket, simultaneously, the strip protruding can reduce the contact area of mounting groove and socket spring piece, avoids the uneven problem between the contact surface of both, further ensures the installation stability of socket spring piece, the utility model discloses a multi-switch socket, compact structure, convenient to assemble, and the use effect is good and long in life. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the structure schematic diagram of the utility model multi-switch socket;
[0018] Figure 2 It is another angle structure schematic diagram of the utility model multi-switch socket;
[0019] Figure 3 It is Figure 2 The enlarged view of A part in it;
[0020] Figure 4 It is the explosion structure schematic diagram of the utility model multi-switch socket;
[0021] Figure 5 It is the sectional view of the utility model multi-switch socket;
[0022] Figure 6 It is Figure 5 The enlarged view of B part in it;
[0023] Figure 7 It is the internal structure schematic diagram of the utility model multi-switch socket;
[0024] Figure 8 It is Figure 7 The enlarged view of C part in it;
[0025] Figure 9 It is the local enlarged view of the mounting groove of the utility model multi-switch socket;
[0026] Figure 10 It is the structure schematic diagram of the metal spring piece of the utility model multi-switch socket.
[0027] Figure 11 Another angle structure diagram of the metal elastic sheet of the multi-switch socket of the utility model. DETAILED DESCRIPTION
[0028] The utility model embodiment will be described in detail below with reference to the drawings.
[0029] Referring to Figures 1-11 The utility model provides a kind of multi-switch socket, including socket body, multiple sets of jack 110 are equipped on the upper surface of socket body, jack 110 is two holes or three holes, can contain three head or two head plug insertion, i.e. one (group) jack 110 can be inserted into one plug;Meanwhile, the same number of switch button 4 as jack 110 is also equipped on the upper surface of socket body, one switch button 4 corresponds one (group) jack 110, can realize the independent control of each (group) jack, to improve use safety, the present application also includes overload protector 7, the firewire end of the wire of socket is connected after passing through overload protector 7 respectively with each jack in parallel.
[0030] Installation cavity is formed in socket body, and electric connection assembly is equipped in installation cavity, the electric connection assembly is same in number with jack, and one-to-one correspondence, i.e. one (group) jack 110 corresponds one electric connection assembly.
[0031] Electric connection assembly includes lower mounting seat 21, the number of lower mounting seat 21 is same with the number of hole of each group of jack 110, when jack 110 is two holes, the lower mounting seat 21 is two, when jack 110 is three holes, the lower mounting seat 21 is three, the lower mounting seat 21 is cuboid, i.e. its cross section is rectangle, the upper surface of lower mounting seat 21 is concave downward, forms installation groove 210, the upper end of installation groove 210 is open, the cross section of installation groove 210 is also rectangle in the embodiment, and socket elastic sheet 5 is installed in installation groove 210.
[0032] The socket elastic sheet 5 comprises a rectangular first metal sheet 51, two sides of the first metal sheet 51 are bent upward by the same angle to form two second metal sheets 54, upper end portions of the two second metal sheets 54 are inwardly (towards each other) inclined and bent by 30-45 degrees to form a third metal sheet 55, an upper end portion of the third metal sheet 55 is outwardly inclined and bent by 40-45 degrees to form a fourth metal sheet 56, a clamping area is formed between the two fourth metal sheets 56, an opening end of the clamping area faces upward and has a V-shaped structure, which can guide the metal insertion rod on the socket to be inserted to realize contact and form electrical connection, in the embodiment, in order to increase the contact area, the end portion of the third metal sheet 55 extends upward to form a fourth metal sheet I, the two fourth metal sheets I are parallel or abutted to each other, an upper end portion of the fourth metal sheet I is outwardly inclined and bent to form a fourth metal sheet II, wherein the fourth metal sheet I is mainly used to increase the contact area with the insertion rod and improve the stability of electrical connection, the two fourth metal sheets II form a guide to guide the insertion rod to be smoothly inserted to realize contact and electrical connection.
[0033] In the application, the socket elastic sheet 5 is punched and formed by a copper sheet and is used for overall conduction; since the socket elastic sheet will be frequently elastically deformed during the use process, i.e. during the plug insertion and removal process, in order to improve the service life and stability of the elastic sheet, in the application, a convex rib connected with each other is arranged on the second metal sheet 54 and the third metal sheet 55, the convex rib is formed by punching and has a reinforcing effect and can prolong the service life of the elastic sheet.
[0034] An end portion of the first metal sheet 51 horizontally extends outward to form a fifth metal sheet 52, the width of the fifth metal sheet 52 is smaller than that of the first metal sheet, an end portion of the fifth metal sheet is bent upward by 90 degrees to form a sixth metal sheet 53, the sixth metal sheet 53 is used to be connected with a live wire or a zero wire through a wire to realize power input, i.e. as a wiring end of the socket elastic sheet; correspondingly, a hole body 211 is arranged on the side wall of the installation groove 210, the hole body 211 penetrates upward to the top of the lower installation base and is used for installation of the sixth metal sheet 53, i.e. as an installation hole of the wiring end.
[0035] In the application, the upper mounting seat 11 is arranged on the upper bottom surface of the mounting cavity, the number of the upper mounting seat 11 is the same as that of the lower mounting seat 21, and the upper mounting seat 11 corresponds to the lower mounting seat 21 one by one, the lower bottom surface of the upper mounting seat 11 forms a limiting surface 11a, and the limiting surface 11a is in contact with the top surface of the lower mounting seat 21 and the top of the fourth metal sheet 56 at the same time, thereby achieving limiting, and a hole body is penetrated through the upper mounting seat 11, the hole body is coaxial with the clamping area, forms a jack hole 110, and the distance between the upper end portions of the two fourth metal sheets 56 is greater than the width of the jack hole 110; the bottom surface of the upper mounting seat 11 is in contact with the bottom surface of the lower mounting seat, thereby achieving support on the upper surface of the socket body and improving the support strength, when the plug is inserted with excessive force or when the plug is subjected to pressure such as treading, the upper surface of the socket body will not be deformed, the use effect is good, the support strength is high, deformation or damage due to excessive force can be avoided, the use experience is good, and the service life is long; at the same time, the end portion of the fourth metal sheet 56 is in contact with the limiting surface, thereby achieving limiting on the upper end of the socket spring sheet, eliminating the upper end gap of the socket spring sheet, that is, eliminating the movement space of the upper end of the socket spring sheet, and effectively preventing the plug rod from moving the socket spring sheet when the plug is pulled out, since the socket spring sheet is made of copper and the hardness is greater than that of the socket body (plastic), through the above structure, the socket spring sheet can be prevented from frequently moving up and down due to long-term plug-in and out, thereby the end portion of the socket spring sheet can be prevented from frequently colliding with (contacting) the inner wall of the socket body, wear is reduced, and the service life is prolonged; at the same time, the above structure increases the distance between the socket spring sheet and the top surface of the socket body, the anti-wear ability is strong, and the service life is long.
[0036] The above structure can make the depth of the mounting groove 210 and the height of the socket spring sheet be basically the same, and can effectively prevent the socket spring sheet from moving up and down during plug-in and out.
[0037] In order to further improve the installation stability of the socket spring sheet and avoid left and right movement thereof, in the application, the distance between the outer walls of the two second metal sheets 54 of the socket spring sheet is greater than the width of the mounting groove 210, and the socket spring sheet is installed in the mounting groove 210 in an interference fit; specifically, the two second metal sheets 54 have an included angle and form a V-shaped structure with the upper end being larger and the lower end being smaller, in the embodiment, the included angle between the two second metal sheets 54 is greater than 1 degree and less than or equal to 5 degrees, when the socket spring sheet is installed into the mounting groove 210 from top to bottom, since the width of the mounting groove is slightly smaller than the distance between the two second metal sheets 54, the second metal sheets 54 are elastically deformed inward under the action of the inner wall of the mounting cavity when the socket spring sheet is inserted, and an interference fit is formed, through the above structure, on the one hand, an interference fit can be formed, the contact area between the socket spring sheet and the mounting groove is increased, the installation stability is improved, and looseness is avoided; at the same time, the clamping strength of the fourth metal sheet is improved, the contact reliability with the metal plug rod is improved, the virtual connection phenomenon is avoided, the current transmission is stable, the heating problem caused by poor contact is reduced, the service life of the socket is prolonged, and the user experience is improved.
[0038] In order to further improve the installation stability of the socket spring, a plurality of strip-shaped protrusions 212 are arranged on the inner wall of the installation groove 210, the length direction of the strip-shaped protrusions 212 is parallel to the insertion direction of the socket spring, that is, parallel to the axis direction of the installation groove 210, that is, arranged vertically, which can be in contact with the side wall of the socket spring, the protruding height of the strip-shaped protrusions 212 is 0.3mm-1mm, which can reduce the contact area between the installation groove 210 and the socket spring, when there is a machining error between the socket spring or the inner wall of the installation groove, or there is a foreign matter between them, the uneven problem will occur between the contact surfaces of the two, and then slight or deviation may occur, which affects the use experience, by arranging the strip-shaped protrusions 212, the contact area between the two can be reduced, and the unevenness between the contact surfaces of the two can be avoided to avoid the problem of unstable installation.
[0039] In the application, the bottom surface of the installation groove is also provided with a plurality of protrusions 213, in the embodiment, the protrusions 213 are also strip-shaped, which are arranged in the shape of a cross, which can reduce the contact area with the socket spring and eliminate the uneven problem.
[0040] In the application, the cross section of the installation groove 210 is rectangular, and at least two strip-shaped protrusions are arranged on the four inner walls of the installation groove 210, preferably, two strip-shaped protrusions are arranged on each inner wall of the installation groove.
[0041] The strip-shaped protrusions mentioned above also play the role of reinforcing ribs, that is, they can increase the overall structural strength of the lower mounting seat (installation groove), which provides protection for the reliable installation of the socket spring.
[0042] In the application, reinforcing ribs 22 are connected between two or three lower mounting seats 21 of the same group of jacks 110, and reinforcing ribs can also be arranged between the side wall of the lower mounting seat 21 and the bottom surface of the installation cavity, thereby improving the overall structural strength of the lower mounting seat 21 from the outside.
[0043] In the application, the socket body is composed of an upper shell 1 and a lower shell 2, the installation cavity is formed between the upper shell 1 and the lower shell 2, and the two are connected by screws, wherein the lower mounting seat 21 is arranged on the lower shell 2, and the upper mounting seat 11 is arranged on the upper shell 1, which is convenient for processing and manufacturing, and easy to assemble.
[0044] In order to facilitate the placement of the socket, a hanging piece 3 is hinged to the bottom end of the socket body in the application, which can be hidden in the bottom surface of the socket body by rotating, a main hanging hole 30 is arranged on the hanging piece 3, which can hang the socket on the hook.
[0045] Meanwhile, two second hanging holes 201 are formed in the bottom surface of the socket body, the second hanging holes 201 are strip-shaped, the length direction of the second hanging holes 201 is parallel to the length direction and / or the width direction of the socket body, the second hanging holes 201 can realize the installation of the socket in different directions, and meet different use requirements.
[0046] The utility model discloses a multi-switch socket, set up upper mounting seat, its bottom surface and the top surface of lower mounting seat and the top of fourth metal sheet contact, can realize the support of the upper surface of socket body, improve its support degree, can avoid the deformation or damage because of excessive stress, use experience is good, long life, eliminate the upper end gap of socket spring piece simultaneously, namely eliminate the movement space of the upper end of socket spring piece, can effectively prevent the plug rod from driving socket spring piece displacement when the plug is pulled out, avoid the socket spring piece frequent up and down movement because of long -term plug -in, reduced wear and tear, prolonged life, set up strip-shaped convex structure in the installation groove, can form interference fit on one side, increase the contact area of socket spring piece and installation groove, improve the installation stability, avoid loose, can improve the clamping degree of fourth metal sheet simultaneously, improve the contact reliability with metal plug rod, avoid the virtual connection phenomenon, reduce or avoid the heating problem caused by poor contact, prolong the service life of socket, strip-shaped convex can reduce the contact area of installation groove and socket spring piece, avoid uneven problem between the contact surface of two, further ensure the installation stability of socket spring piece, the utility model discloses a multi-switch socket, compact structure, convenient to assemble, good use effect and long life.
[0047] The above only is the preferred implementation of the utility model, should point out, for the ordinary skill in the art of the technical field, on the premise of not departing from the technical principle of the utility model, can make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection range of the utility model.
Claims
1. A multi-switch socket, characterized by: The socket body is provided with a plurality of groups of jack holes on the upper surface, and a mounting cavity is formed in the socket body, and the mounting cavity is provided with the same number of electric connection assemblies as the jack holes and corresponding to the jack holes, the electric connection assembly comprises a lower mounting seat arranged on the lower bottom surface of the mounting cavity, an open-top mounting groove is formed in the lower mounting seat, and a socket spring is arranged in the mounting groove, the socket spring comprises a first metal sheet, the two sides of the first metal sheet are bent upward to form a second metal sheet, the end of the second metal sheet is inwardly inclined and bent to form a third metal sheet, the end of the third metal sheet is outwardly inclined and bent to form a fourth metal sheet, and the two fourth metal sheets form a clamping area with the opening upward; the upper bottom surface of the mounting cavity is provided with the same number of upper mounting seats as the lower mounting seats and corresponding to the lower mounting seats, the lower bottom surface of the upper mounting seat forms a limiting surface, the limiting surface simultaneously contacts the top surface of the lower mounting seat and the top of the fourth metal sheet to achieve limiting, and a hole body coaxial with the clamping area is formed in the upper mounting seat to form a jack hole.
2. The multi-switch socket of claim 1, wherein: The distance between the outer walls of the two second metal sheets is greater than the width of the mounting groove and is interference-fitted in the mounting groove.
3. The multi-switch socket of claim 2, wherein: The two second metal sheets have an included angle therebetween and form a V-shaped structure with the upper end being large and the lower end being small, when the socket spring is installed in the mounting groove, the inner wall of the mounting groove contacts the second metal sheet and causes the second metal sheet to elastically deform inwardly to form an interference fit.
4. The multi-switch socket of claim 3, wherein: The included angle between the two second metal sheets is greater than 1 degree and less than or equal to 5 degrees.
5. The multi-switch receptacle of claim 1, wherein: The distance between the ends of the two fourth metal sheets is greater than the width of the jack hole.
6. The multi-switch receptacle of claim 1, wherein: The inner wall of the mounting groove is provided with a plurality of strip-shaped protrusions, the length direction of the strip-shaped protrusions is parallel to the insertion direction of the socket spring, and the strip-shaped protrusions can contact the side wall of the socket spring.
7. The multi-switch receptacle of claim 1, wherein: The two adjacent lower mounting seats are connected by a reinforcing rib.
8. The multi-switch receptacle of claim 1, wherein: The side wall of the lower mounting seat and the bottom surface of the mounting cavity are provided with a reinforcing rib.
9. The multi-switch receptacle of claim 1, wherein: The socket body comprises an upper shell and a lower shell, the lower mounting seat is arranged on the lower shell, and the upper mounting seat is arranged on the upper shell.
10. The multi-switch socket of claim 1, wherein: The second metal sheet and the third metal sheet are provided with convex ribs connected to each other.