Plug anti-loosening structure for power supply equipment

Abstract

The utility model relates to the technical field of plugs and sockets, and discloses a plug anti-loosening structure for power supply equipment, which comprises a telescopic bracket for fixing the power supply equipment and a cross slide rail mechanism for adjusting the position of the telescopic bracket, the cross slide rail mechanism comprises a vertical slide rail, a horizontal slide rail and slide blocks respectively mounted on the two slide rails, the vertical slide rail is fixedly mounted beside the socket, the telescopic bracket is mounted on the slide blocks of the horizontal slide rail, and the telescopic bracket is U-shaped and supports the bottom of the power supply equipment; the problem that pins and a socket are prone to loosening due to the fact that an existing power supply device is large in size and mass is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of plug sockets, and particularly relates to a plug anti-loosening structure for a power supply device. Background Art

[0002] In the current electrical equipment market, as a key component for power conversion and distribution, power supply devices are widely used in various electronic products, such as the power supply plugs of computers or displays, mobile phone chargers, etc. However, these devices generally face a series of problems in design and use, especially in terms of the connection stability with sockets.

[0003] Most power supply devices on the current market adopt a two-pin design. Although this design is simple, it shows insufficient supporting force when facing the increasing volume and mass of devices. The length of the pins inserted into the socket is limited, and the two-pin structure is difficult to provide sufficient stability, making the device prone to looseness when subjected to external forces, affecting the power supply effect.

[0004] Especially for most socket holes set on the wall, for power supply devices with large weight and volume, due to their own gravity and the traction of the power cord, the pins are prone to looseness in the socket, resulting in unstable power supply or even termination. At the same time, when users use power supply devices, there are often situations of non-standard operation, such as inserting the pins at an inclined angle, which not only increases the risk of pin loosening but also may cause increased wear inside the socket hole, further reducing the supporting ability.

[0005] Power supply interruptions caused by pin loosening are often not easily noticed by users, especially when the user leaves after plugging in the plug. When the user returns, it is found that the device is not charging, which not only delays use but may also cause damage to the device itself. Content of the Utility Model

[0006] The utility model aims to provide a plug anti-loosening structure for a power supply device to solve the problem that the pins of existing power supply devices are prone to looseness due to their large volume and mass.

[0007] To achieve the above purpose, the utility model adopts the following technical scheme: A plug anti-loosening structure for a power supply device, characterized in that: it includes a telescopic bracket for fixing the power supply device and a cross rail mechanism for adjusting the position of the telescopic bracket. The cross rail mechanism includes a vertical rail, a horizontal rail, and sliders respectively installed on the two rails. The vertical rail is fixedly installed beside the socket, and the telescopic bracket is installed on the slider of the horizontal rail. The telescopic bracket is in a U shape to hold the bottom of the power supply device.

[0008] The principle and advantages of this solution are as follows: In actual application, both the vertical slide rail and the horizontal slide rail are unlocked to the free state. The power supply device is fixed on the telescopic bracket and inserted into the socket. At this time, each slider adaptively moves to the corresponding position. Lock the relative positions of each slider and each slide rail; support the bottom of the power supply device through the telescopic bracket, significantly enhancing the stability of the device on the socket and effectively preventing the problem of pin loosening caused by the increase in the weight and volume of the device;

[0009] The design of the cross slide rail mechanism enables the telescopic bracket to be adjusted in the horizontal and vertical directions, thus adapting to power supply devices of different sizes and shapes, improving the versatility and practicality of the structure; by reducing the force on the pins in the socket, it reduces the internal wear of the socket holes caused by pin loosening and extends the service life of the socket; it solves the problem of power supply interruption caused by pin loosening and avoids the situation where users are delayed in using the device due to the device not being charged.

[0010] As an improvement, a plug-in slide rail is further provided between the slider of the horizontal slide rail and the telescopic bracket. The plug-in slide rail is perpendicular to the socket surface. The end of the plug-in slide rail close to the socket is fixedly connected to the slider of the horizontal slide rail, and the telescopic bracket is fixedly installed on the slider of the plug-in slide rail.

[0011] The beneficial effect of this improvement is that when it is necessary to pull out the power supply device, only need to unlock the slider on the plug-in slide rail, and the power supply device can be vertically withdrawn from the socket. The telescopic bracket can also be used as a placement platform for idle power supply devices. When using it again, move the slider along the plug-in slide rail to make the telescopic bracket re-insert into the socket along the withdrawal trajectory, avoiding excessive wear inside the socket.

[0012] As an improvement, the telescopic bracket includes a fixed end and a movable end. The fixed end is an L-shaped seat body. The lower surface of the base of the fixed end is fixedly connected to the slider of the plug-in slide rail. The movable end is an L-shaped frame body. A hollow cavity for accommodating the bottom frame of the movable end is provided inside the base of the fixed end. The bottom frame of the movable end includes two movable rods and a connecting rod. The two movable rods are respectively fixed at both ends of the connecting rod, making the bottom frame of the movable end U-shaped. An opening for the movable rod to pass through is provided on the side wall of the hollow cavity close to the movable end. A clamping spring is provided between the side wall where the opening is located and the connecting rod. The clamping spring is wound around the movable rod, and the diameter of the clamping spring is larger than the aperture of the opening.

[0013] The beneficial effect of this improvement is that the user pulls the movable end away from the fixed end, that is, pulls the movable end outward, so that the distance between the two side ends of the telescopic bracket becomes larger so that the power supply device can be placed in the telescopic bracket. At this time, the connecting rod located in the fixed end squeezes the clamping spring; the clamping spring has a tendency to extend, and when the user releases the movable end, the movable end has a tendency to move inward, clamping and fixing the power supply device to prevent the power supply device from falling off the telescopic bracket; and it is adaptable to power supply devices of different sizes.

[0014] As an improvement, the cross-sections of the horizontal slide rail and the plug-in slide rail are both in an inverted U-shaped shape, and the slider wraps around the top surface of the slide rail from above and is embedded in the U-shaped groove of the slide rail from below.

[0015] The beneficial effects of this improvement are: the cross-section of the slide rail is in an inverted "M" shape, which not only provides a stable support surface, but also forms a tight mechanical connection through the engagement of the groove and the slider; the slider wraps around the top surface of the slide rail from above and engages in the "M"-shaped groove of the slide rail from below. This "wrapping + engagement" method ensures that the contact area between the slider and the slide rail is large and stable; the design of the "M"-shaped groove makes the position of the slider on the slide rail relatively stable and not prone to displacement or shaking; this stability helps to evenly distribute the weight on the slider to various parts of the slide rail; at the same time, the shape and depth of the groove are also carefully designed to ensure that the slider can maintain good contact with the slide rail when subjected to force, thereby further dispersing stress.

[0016] As an improvement, a locking groove is provided in the side walls facing the outside of the cross slide mechanism and the plug-in slide rail, the groove width of the locking groove is smaller than the inner groove width of the locking groove, and the cross-section of the locking groove is T-shaped; the inner groove of the locking groove is provided with a locking piece, and the locking piece is a rectangle that matches the shape of the inner groove; a locking hole is provided on the side of the slider opposite to the locking groove, and a threaded rod is provided in the locking hole, one end of the threaded rod passes through the groove of the locking groove and is fixedly connected to the locking piece, and one end of the threaded rod is located on the outside of the slider and is threadedly connected to a nut.

[0017] The beneficial effects of this improvement are as follows: when the nut is rotated, the rectangular locking piece abuts against the inner wall of the locking slot, limiting the locking piece's rotation within the slot, thereby ensuring that the threaded rod remains stationary and does not rotate with the nut. The nut's rotation is then converted into axial movement along the threaded rod. When the nut is rotated to bring it closer to the locking piece, the side wall of the slider and the notch of the locking slot are clamped between them, and the friction between them keeps the slider and the rail relatively stationary. When the nut is rotated to move it away from the locking piece, the slider and rail are unlocked, allowing the slider to be moved along the rail, changing their relative position and adjusting the relative position of the telescopic bracket and the socket.

[0018] As an improvement, the notches at both ends of the locking chute are closed.

[0019] The beneficial effect of this improvement is that since the threaded rod moves within the notch, the closed notch limits the moving distance of the threaded rod between the two ends of the slide rail, thereby preventing the slider from falling off the slide rail. Description of the Drawings

[0020] Figure 1 It is a schematic structural diagram of an embodiment of the present utility model.

[0021] Figure 2 It is a schematic structural diagram of the telescopic bracket.

[0022] Figure 3 It is a cross-sectional view of the locking chute. Detailed Description of the Invention

[0023] [[ID=2(]]The following is a more detailed description through specific embodiments:

[0024] The reference numerals in the drawings of the specification include: vertical slide rail 1, horizontal slide rail 2, socket 3, telescopic bracket 4, power supply device 5, plug-in slide rail 6, fixed end 7, movable end 8, movable rod 9, connecting rod 10, clamping spring 11, slide rail 12, slider 13, locking chute 14, locking piece 15, threaded rod 16, nut 17.

[0025] Embodiment

[0026] Basically as shown in the attached... Figure 1 A plug anti-loosening structure for a power supply device includes a telescopic bracket 4 for fixing the power supply device 5 and a cross slide rail mechanism for adjusting the position of the telescopic bracket 4. The cross slide rail mechanism includes a vertical slide rail 1, a horizontal slide rail 2, and sliders 13 respectively installed on the two slide rails. The vertical slide rail 1 is fixedly installed on the wall and is beside the socket 3. The horizontal slide rail 2 is fixedly welded to the slider 13 of the vertical slide rail 1, so that the vertical slide rail 1 and the horizontal slide rail 2 are perpendicular to each other to form a cross, and the slider 13 on the horizontal slide rail 2 can be flexibly adjusted to any position where its vertical projection is on the surface of the socket 3 to adapt to power supply devices 5 of different volume sizes, so that their pins can be aligned with the jacks of the socket 3 and inserted.

[0027] The telescopic bracket 4 is installed on the slider 13 of the horizontal slide rail 2, and the telescopic bracket 4 is in a U shape to hold the bottom of the power supply device 5. The power supply device 5 is fixed on the telescopic bracket 4, and the relative position of the telescopic bracket 4 and the socket 3 is locked by the cross slide rail mechanism, and an upward supporting force is provided to the power supply device 5 to share part of the weight of the power supply device 5, making the insertion of the pins into the socket 3 more stable.

[0028] A plug-in slide rail 6 is further provided between the slider 13 of the horizontal slide rail 2 and the telescopic bracket 4. The plug-in slide rail 6 is perpendicular to the surface of the socket 3. One end of the plug-in slide rail 6 close to the socket 3 is fixedly welded to the slider 13 of the horizontal slide rail 2, and the telescopic bracket 4 is fixedly welded to the slider 13 of the plug-in slide rail 6. The telescopic bracket 4 can move closer to and away from the socket 3 along the plug-in slide rail 6, so that during the insertion and extraction of the power supply device 5, the pins of the power supply device 5 are aligned with the jacks of the socket 3 and inserted perpendicular to the surface of the socket 3, and the pins are parallel to the inner wall of the jacks, avoiding wear inside the jacks caused by improper operation.

[0029] As shown in the attached Figure 2 figure, the telescopic bracket 4 includes a fixed end 7 and a movable end 8. The fixed end 7 is an L-shaped seat body. The lower surface of the base of the fixed end 7 is fixedly welded to the slider 13 of the plug-in slide rail 6. The movable end 8 is an L-shaped frame body. The bottoms of the fixed end 7 and the movable end 8 are combined to form the bottom of the U-shaped telescopic bracket 4, which contacts the bottom of the power supply device 5 and provides a supporting force for the power supply device 5. The upper ends of the bottoms of the fixed end 7 and the movable end 8 are combined to form the two side ends of the U-shaped telescopic bracket 4, which are respectively clamped inward from both sides of the power supply device 5 to fix the power supply device 5 on the telescopic bracket 4.

[0030] A hollow cavity for accommodating the bottom frame of the movable end 8 is provided inside the base of the fixed end 7. The bottom frame of the movable end 8 includes two movable rods 9 and a connecting rod 10. The two movable rods 9 are respectively fixed at both ends of the connecting rod 10, so that the bottom frame of the movable end 8 is U-shaped. An opening for the movable rod 9 to pass through is provided on the side wall of the hollow cavity close to the movable end 8. A clamping spring 11 is provided between the side wall where the opening is located and the connecting rod 10. The clamping spring 11 is wound around the movable rod 9. The diameter of the clamping spring 11 is larger than the aperture of the opening, and the aperture of the opening is the same as the diameter of the movable rod 9.

[0031] The user pulls the movable end 8 in the direction away from the fixed end 7, that is, pulls the movable end 8 outwards, so that the distance between the two side ends of the telescopic bracket 4 becomes larger for the power supply device 5 to be placed inside the telescopic bracket 4. At this time, the connecting rod 10 located inside the fixed end 7 squeezes the clamping spring 11; the clamping spring 11 has a tendency to elongate. When the user releases the movable end 8, the movable end 8 has an inward movement tendency, clamping and fixing the power supply device 5 to prevent the power supply device 5 from falling off the telescopic bracket 4; and it can adapt to power supply devices 5 of different sizes.

[0032] As shown in the attached Figure 3As shown, the cross-sections of the vertical slide rail 1, the horizontal slide rail 2, and the plug-in slide rail 6 are all in the shape of an inverted mountain. The slider 13 wraps the top surface of the slide rail 12 from above and fits into the mountain-shaped groove of the slide rail 12 from below. This "wrapping + fitting" method ensures a large and stable contact area between the slider 13 and the slide rail 12. When the slider 13 bears weight, these weights are first transmitted to the slide rail 12 through the top and bottom of the slider 13 (i.e., the parts in contact with the slide rail 12). Since the contact area between the slider 13 and the slide rail 12 is large and evenly distributed, the slide rail 12 can evenly bear the weight from the slider 13, avoiding the problem of local stress concentration.

[0033] As shown in the attached Figure 3 As shown, a locking chute 14 is provided in the side wall facing the outside of the cross slide rail mechanism and the plug-in slide rail 6. The width of the opening of the locking chute 14 is smaller than the width of the inner groove of the locking chute 14, and the cross-section of the locking chute 14 is in the shape of a T. A locking piece 15 is provided in the inner groove of the locking chute 14. The locking piece 15 is a rectangle adapted to the shape of the inner groove, and the locking piece 15 can move along the inner groove of the locking chute 14.

[0034] A locking hole is provided on the side of the slider 13 opposite to the locking chute 14. A threaded rod 16 is provided in the locking hole. One end of the threaded rod 16 passes through the opening of the locking chute 14 and is fixedly connected to the locking piece 15. The threaded rod 16 can move along the opening of the locking chute 14. A nut 17 is threadedly connected to one end of the threaded rod 16 outside the slider 13.

[0035] When the nut 17 is rotated, since the locking piece 15 is rectangular and abuts against the inner wall of the locking chute 14, the rotation of the locking piece 15 in the locking chute 14 is restricted. Furthermore, the static state of the threaded rod 16 is ensured and it will not rotate along with the nut 17. Then the rotation of the nut 17 will be converted into axial movement along the threaded rod 16.

[0036] When the nut 17 is rotated to approach the locking piece 15 and the side wall of the slider 13 and the opening of the locking chute 14 are clamped between the two, the frictional force between them makes the slider 13 and the slide rail 12 remain relatively stationary. When the nut 17 is rotated to move away from the locking piece 15, the slider 13 and the slide rail 12 are unlocked, and the slider 13 can be moved along the slide rail 12 to change the relative position of the slider 13 and the slide rail 12, realizing the adjustment of the relative position between the telescopic bracket 4 and the socket 3.

[0037] The openings at both ends of the locking chute 14 are closed. Since the threaded rod 16 moves in the opening, the moving distance of the threaded rod 16 is limited between the two ends of the slide rail 12 by the closed opening, thereby preventing the slider 13 from falling off the slide rail 12.

[0038] In actual use, the vertical slide rail 1, the horizontal slide rail 2, and the plug-in slide rail 6 are all unlocked to the free state. The power supply device 5 is fixed on the telescopic bracket 4 and inserted into the socket 3. At this time, each slider 13 adaptively moves to the corresponding position. Lock the relative positions of each slider 13 and each slide rail. This structure provides a supporting force for the power supply device 5 in the working state and prevents the plug-in connection from loosening due to external forces and its own gravity.

[0039] When it is necessary to remove the power supply device 5, only the slider 13 on the plug-in slide rail 6 needs to be unlocked, and the power supply device 5 can be vertically withdrawn from the socket 3. The telescopic bracket 4 can also be used as a placement platform for the idle power supply device 5. When it is used again, move the slider 13 along the plug-in slide rail 6 to make the telescopic bracket 4 re-insert into the socket 3 along the withdrawal trajectory, avoiding excessive insertion into the interior of the socket 3.

[0040] The above are only the embodiments of the present invention. Specific technical solutions and / or common knowledge such as characteristics well known in the art are not described in detail herein. It should be noted that for those skilled in the art, without departing from the technical solution of the present invention, several deformations and improvements can be made, and these should also be regarded as the protection scope of the present invention, and these will not affect the implementation effect of the present invention and the practicability of the patent. The protection scope required by this application should be subject to the content of its claims, and the specific implementation manners described in the specification can be used to interpret the content of the claims.

Claims

1. A plug anti-loosening structure for a power supply device, characterized in that: It includes a telescopic bracket for fixing a power supply device and a cross slide rail mechanism for adjusting the position of the telescopic bracket. The cross slide rail mechanism includes a vertical slide rail, a horizontal slide rail, and sliders respectively installed on the two slide rails. The vertical slide rail is fixedly installed beside a socket, and the telescopic bracket is installed on the slider of the horizontal slide rail. The telescopic bracket is U-shaped to hold the bottom of the power supply device.

2. The plug anti-loosening structure for a power supply device according to claim 1, characterized in that: There is also a plug-in slide rail between the slider of the horizontal slide rail and the telescopic bracket. The plug-in slide rail is perpendicular to the socket surface. One end of the plug-in slide rail close to the socket is fixedly connected to the slider of the horizontal slide rail, and the telescopic bracket is fixedly installed on the slider of the plug-in slide rail.

3. The plug anti-loosening structure for a power supply device according to claim 2, characterized in that: The telescopic bracket includes a fixed end and a movable end. The fixed end is an L-shaped seat body, and the lower surface of the base of the fixed end is fixedly connected to the slider of the plug-in slide rail. The movable end is an L-shaped frame body. There is a hollow cavity in the base of the fixed end for accommodating the bottom frame of the movable end. The bottom frame of the movable end includes two movable rods and a connecting rod. The two movable rods are respectively fixed at both ends of the connecting rod, so that the bottom frame of the movable end is U-shaped. There is an opening for the movable rod to pass through on the side wall of the hollow cavity close to the movable end. There is a clamping spring between the side wall where the opening is located and the connecting rod. The clamping spring is wound around the movable rod, and the diameter of the clamping spring is larger than the aperture of the opening.

4. The plug anti-loosening structure for a power supply device according to claim 3, characterized in that: The cross sections of the horizontal slide rail and the plug-in slide rail are both in an inverted mountain shape. The slider wraps the top surface of the slide rail from above and fits into the mountain-shaped groove of the slide rail from below.

5. A plug anti-loosening structure for a power supply device according to claim 4, characterized in that: Locking chutes are provided in the side walls facing the outside of the cross slide rail mechanism and the plug-in slide rail. The width of the notch of the locking chute is smaller than the width of the inner groove of the locking chute. The cross section of the locking chute is T-shaped. A locking piece is provided in the inner groove of the locking chute. The locking piece is a rectangle adapted to the shape of the inner groove. A locking hole is provided on the side of the slider opposite to the locking chute. A threaded rod is provided in the locking hole. One end of the threaded rod passes through the notch of the locking chute and is fixedly connected to the locking piece. A nut is threadedly connected to one end of the threaded rod located outside the slider.

6. The plug anti-loosening structure for a power supply device according to claim 5, characterized in that: The notches at both ends of the locking chute are closed.

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