CN110011112B

CN110011112B - Bottom box for connecting switch or socket, switch and socket

Info

Publication number: CN110011112B
Application number: CN201910236741.2A
Authority: CN
Inventors: 龚金和; 徐子沛; 詹锋; 李冬
Original assignee: Ningbo Gongniu Electric Appliances Co Ltd
Current assignee: Ningbo Gongniu Electric Appliances Co Ltd
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2021-04-27
Anticipated expiration: 2039-03-27
Also published as: CN110011112A

Abstract

The invention is suitable for the technical field of electricians, and provides a bottom box for connecting a switch or a socket, the switch and the socket, which comprise: the switch comprises a bottom frame and an upright post, wherein a fastening thread structure used for being connected to the switch or the socket is arranged at the first end of the upright post, and the upright post is detachably arranged on the bottom frame. According to the invention, the detachable upright column is used as the locking accessory, so that the locking accessory can be conveniently and effectively replaced, and the mounting wall around the bottom box is not required to be damaged, thereby greatly reducing the maintenance cost.

Description

Bottom box for connecting switch or socket, switch and socket

Technical Field

The invention belongs to the technical field of electricians, and particularly relates to a bottom box for connecting a switch or a socket, the switch and the socket.

Background

In building engineering or various decorations, the bottom box is a necessary auxiliary tool for electricians. In order to keep the building surface neat and beautiful, the bottom box is generally fixed in the wall body by using quick cement, and then, a socket or a switch and the like can be conveniently and quickly fixed on the wall surface by using two screw mounting holes on the bottom box (as shown in figure 1). The function of the bottom case shell must therefore be a container of sufficient strength and space; and the only part for firmly fixing products such as a socket, a switch and the like is a threaded mounting hole on the bottom box.

The lock-attached screw holes of the bottom boxes on the market generally have three forms: common plastic screw holes, metal sheet screw holes and column type copper nut screw holes. The plastic screw hole is easy to slip after being locked for several times; the metal sheet screw hole has high strength, but is easy to corrode in a damp environment such as a kitchen and the like, so that the screw thread is damaged; and the screw thread of the screw hole of the column type copper nut is easy to be damaged.

No matter which type of bottom box screw hole is destroyed, the smooth tooth or aging damage, the socket, switch and the like installed on the bottom box can not be fixed normally. The existing bottom box design can not replace the metal parts with screw holes, and only can replace a new bottom box. And it is then more inconvenient to change end box, needs to destroy the installation wall around the fixed end box, will great increase the cost of maintenance.

Disclosure of Invention

The embodiment of the invention provides a bottom box for connecting a switch or a socket, the switch and the socket, and aims to solve the problem that a metal part with a screw hole cannot be replaced after the screw hole on the bottom box is damaged, is worn out or is aged and damaged.

The embodiment of the invention is realized in such a way that the bottom box for connecting the switch or the socket comprises: the switch comprises a bottom frame and an upright post, wherein a fastening thread structure used for being connected to the switch or the socket is arranged at the first end of the upright post, and the upright post is detachably arranged on the bottom frame.

Furthermore, the upright post is detachably arranged on the bottom frame through a bolt structure. The stand column is detachably arranged on the bottom frame through a bolt structure, so that the stand column is convenient to replace when needing to be replaced.

Still further, the latch structure includes: the setting is in first fixed slot on the underframe lateral wall, set up second fixed slot on the underframe diapire, set up be used for inserting on the stand first bolt of first fixed slot, and set up be used for inserting on the stand second bolt of second fixed slot, wherein, at least one in first bolt and the second bolt is slidable the setting on the stand. The side wall of the bottom frame and the bottom wall are provided with the fixing grooves, the stand column is provided with the matched bolts, at least one bolt on the stand column is arranged in a slidable mode, so that the stand column can be stably fixed on the bottom frame, the stand column is prevented from being loosened to influence the installation of a switch or a socket, and the stand column is convenient to disassemble and assemble.

Furthermore, the first bolt is fixed on the upright post, the second bolt is slidably arranged on the upright post through a first connecting plate connected with the second bolt, a sliding groove is formed in the second end of the upright post and used for the first connecting plate to slide inside, and the second bolt is fixedly connected with the first connecting plate to form a sliding block buckle. Through with the second bolt sets up on the first connecting plate, first connecting plate is gliding setting again is in on the stand, when needs slide the second bolt, only need slide first connecting plate alright make the second bolt inserts or takes out more easily to quick dismouting the stand. The installation efficiency is improved.

Furthermore, the two sides of the first connecting plate are elastic walls, and at least two salient points are arranged on the elastic walls to increase the friction force between the elastic walls and the sliding groove. Through setting up the elastic wall and the bump can make first connecting plate is more stable slide on the stand, prevent first connecting plate with the sliding connection of stand appears becoming flexible, thereby influences the setting that the stand is firm is in on the underframe, can also make the slider is detained and is stopped the arbitrary position of stand spout, and is in needs installation during the stand, the slider is detained the gliding and is passed through the second bolt inserts second fixed slot on the underframe is fixed the stand, and when needs take out during the stand, can with the slider is detained and is slided to the upper end, makes the second bolt leaves the second fixed slot, thereby takes out the stand. .

Furthermore, the second bolt is arranged on the upper portion of the first connecting plate through a second connecting plate, a clamping groove is formed between the first connecting plate and the second connecting plate, and a rib position used for being inserted into the clamping groove is arranged in the sliding groove. Through with the second bolt sets up on the second connecting plate, can strengthen the intensity of second bolt avoids the second bolt damages, still through first connecting plate with set up between the second connecting plate the draw-in groove stand second end sets up the muscle position can make the slider is detained quick sliding in the stand.

Furthermore, the bottom wall of the bottom frame is provided with limiting grooves corresponding to two sides of the first fixing groove, and the second end of the stand column is provided with a limiting strip used for being clamped into the limiting grooves. Through set up on the diapire of underframe the spacing groove stand second end sets up spacing strip, is installing like this can fix a position fast during the stand, promote the equipment the speed of stand to, can also play further the reinforcement the effect of stand avoids the stand appears becoming flexible, makes fastening thread structure can't aim at the mounting hole on the switch or the socket that need the installation.

Further, the fastening screw structure is at least one group of fastening components detachably arranged at the first end of the upright post. The fastening thread structure is arranged into at least one group of detachable fastening components, when the fastening components are in a group, the fastening components can be directly replaced when the thread structure is damaged, the thread structure is worn or aged and damaged, and the upright post does not need to be replaced, so that the cost is reduced. When the fastening assemblies are in multiple groups, the intact fastening assemblies can be replaced on the bad fastening assemblies when the thread structures of the fastening assemblies are damaged, the threads are worn out or the fastening assemblies are aged and damaged, so that the fastening assemblies can be replaced quickly.

Furthermore, the fastening assemblies are arranged at the first end of the upright post in a stacking mode, and threaded holes in the fastening assemblies are communicated and are coaxially arranged. Therefore, when the thread structure of the fastening component on the upper layer is damaged, the thread structure is smooth or the fastening component is aged and damaged, a longer screw can be used for extending to the fastening component on the lower layer for fixing, the upright column or the fastening component does not need to be replaced, and the socket or the switch can be quickly installed.

Still further, the fastening assembly includes: the base is detachably arranged at the first end of the upright post, and the threaded fastener is arranged in the base;

the base is provided with a groove for installing the threaded fastener, and the upright post is provided with an installation groove for installing the base from the side surface of the upright post. Through setting up the base, and set up on the base threaded fastener, the base passes through again recess on the stand with the stand is connected, like this when the helicitic texture is destroyed, when smooth tooth or ageing damage, need not whole change fastening components, only need with the base is followed the recess is taken out, then, changes threaded fastener alright, can practice thrift the replacement cost like this to, installation that can be quick the base.

Furthermore, the inner walls of the two sides of the mounting groove are provided with guide grooves, and the two sides of the base are provided with parallel guide rails for inserting the guide grooves. Through setting up the guide way and parallel guide, can be right like this the base leads, can make quick the installation of base on the stand to, can also consolidate the base, avoid the base is installed appear becoming flexible after on the stand.

Still further, still include: a fluorescent member disposed on an end surface of the pillar first end. Through setting up fluorescence component can utilize the position of fluorescence instruction on the fluorescence component installs socket or switch fast to promote the installation effectiveness greatly.

Further, the fluorescent member is a phosphor disposed on an end face of the pillar first end;

the terminal surface both sides of stand first end are provided with the indent structure, the bottom both sides of fluorophor are provided with and are used for the card to go into the evagination structure of indent structure, be provided with the constant head tank on the terminal surface of stand first end, the fluorophor side is provided with and is used for inserting the locating piece of constant head tank, be provided with the inclined plane screw hole on the fluorophor, the inclined plane screw hole with the structural screw hole of fastening thread communicates with each other and coaxial setting.

The fluorescent body can guide the socket or the switch to be installed, and the installation efficiency is improved. The inner concave structure is arranged on the stand column, and the outer convex structure is arranged on the fluorescent body, so that the fluorescent body can be guided to be installed, and the efficiency of installing the fluorescent body is improved. Set up on the stand the constant head tank, set up on the fluorophor the locating piece can be fixed the fluorophor is avoided the fluorophor appears not hard up, influences the installation of socket or switch etc.. Through set up the inclined plane screw hole on the fluorophor, can make the mounting screw find the screw hole installation fast, promote the installation effectiveness.

Still further, the fluorescent member may be a fluorescent paper provided on an end surface of the first end of the pillar. Through directly be in set up fluorescent paper on the stand, can utilize the socket or the switch are installed fast to fluorescent paper goes up the position that fluorescence instructed to promote the installation effectiveness greatly, and, fluorescent paper is with low costs, can practice thrift the cost.

Furthermore, the fastening screw structure may also be a connecting piece provided with a threaded hole, and the end surface of the first end of the upright post is provided with a connecting groove for mounting the connecting piece. Through the connecting piece that sets up the screw hole, and will the connecting piece sets up on the terminal surface of stand first end, can be destroyed at thread structure like this, when smooth tooth or ageing damage, directly change the connecting piece alright with having need not to change the stand practices thrift the cost.

A switch comprises the bottom box and a switch assembly arranged on the bottom box. Through will switch module sets up on the end box of removable stand, works as like this fastening thread structure on the stand is destroyed, when smooth tooth or ageing damage, alright can only change the stand, need not to destroy the installation wall around the end box to great reduction cost of maintenance.

A socket comprises the bottom box and a socket assembly arranged on the bottom box. Through will the socket subassembly sets up on the end box of removable stand, works as like this fastening thread structure on the stand is destroyed, when smooth tooth or ageing damage, alright just can change the stand, need not to destroy the installation wall around the end box to great reduction cost of maintenance.

The invention achieves the following beneficial effects: because the upright post is provided with the fastening thread structure used for being connected to the switch or the socket, and the upright post is detachably arranged on the bottom frame, when the fastening thread structure on the upright post is damaged, slides or is aged and damaged, the upright post can be replaced, so that the switch or the socket can be installed and fixed, the installation wall around the bottom frame does not need to be damaged, and the maintenance cost is greatly reduced.

Drawings

FIG. 1 is a schematic diagram of a prior art structure for connecting a switch or socket bottom case with a switch mounting;

fig. 2 is a schematic diagram of an exploded structure of a bottom case for connecting a switch or a socket according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a bottom case structure for connecting a switch or a socket according to an embodiment of the present invention;

FIG. 4 is a schematic view of a phosphor mounting provided by an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a phosphor assembly according to an embodiment of the present invention;

FIG. 6 is a schematic view of a fastener assembly installation provided by an embodiment of the present invention;

FIG. 7 is a schematic view of a base mount provided by an embodiment of the present invention;

FIG. 8 is a schematic view of a slider buckle installation provided by an embodiment of the present invention;

FIG. 9 is a schematic view of a slider buckle according to an embodiment of the present invention;

fig. 10 is a schematic view of a column installation provided by an embodiment of the present invention.

Wherein, 1, the bottom frame; 11. a first fixing groove; 12. a second fixing groove; 13. a limiting groove; 2. a column; 21. a concave structure; 22. positioning a groove; 23. a through hole; 24. mounting grooves; 241. a guide groove; 25. a limiting strip; 26. a rib position; 27. a first latch; 3. a phosphor; 31. a convex structure; 32. positioning blocks; 33. a beveled threaded hole; 4. a base; 41. a groove; 42. parallel guide rails; 5. a threaded fastener; 6. a slider is buckled; 61. a first connecting plate; 611. a resilient wall; 612. salient points; 62. a second connecting plate; 621. a second bolt; 622. rubbing the strips; 63. a card slot; 7. a wall switch; 71. mounting screws; 8. a wall body bottom box; 9. and (6) installing a wall.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

At present, screw holes in a bottom box are easily damaged, teeth are easy to slip or the bottom box is damaged due to aging, and at the moment, a switch, a socket and the like cannot be normally fixed. The existing bottom box design can not replace the metal parts with screw holes, and only can replace a new bottom box. The replacement of the bottom box is particularly inconvenient, and the installation wall around the fixed bottom box needs to be damaged, so that the maintenance cost is greatly increased.

In addition, in the actual process of locking and attaching the mounting screws, the bottom box is covered by the product, so that the position of the mounting screw hole is difficult to find, and the mounting efficiency of the product is greatly reduced.

The invention adopts the structural design combination that the fastening thread component can be replaced and is easy to disassemble and assemble, and adds the fluorescent indication on the top of the screw hole, thereby not only conveniently and effectively replacing the fastening thread component, but also greatly improving the installation efficiency by utilizing the position indicated by the fluorescent indication.

Fig. 1 is a schematic structural diagram of a bottom box for connecting a switch and a switch installation provided in the prior art, in which marked are a wall switch 7, an installation screw 71, a wall bottom box 8 and an installation wall 9, respectively, and shows a design feature of the present invention that can be better highlighted in fig. 1, which is not relevant to the present invention, so as to understand the beneficial effects of the present invention.

The stand 2 that the following describes divide into both ends, is first end and second end respectively, the first end of stand 2 is for keeping away from the one end of underframe 1 diapire, the second end of stand 2 is for being close to the one end of underframe 1 diapire.

The text also includes various information sockets.

Example one

A back box for a connection switch or socket is described with reference to figures 2 and 10 of the accompanying drawings and comprises: underframe 1 and stand 2, wherein, stand 2 first end is provided with the fastening screw structure that is used for being connected to switch or socket, stand 2 detachable sets up on underframe 1.

The bottom frame 1 is a rectangular parallelepiped frame, and may be a frame body of other shapes, such as a square frame, a trapezoidal frame, a polygonal frame, or an irregular frame, which is set as required to facilitate installation of a switch, a socket, and the like.

Wherein, the fastening thread structure can be a threaded hole directly arranged on the end surface of the first end of the upright post 2, or a nut arranged on the end surface of the first end of the upright post 2. Thereby facilitating screw-fixing of the switch or socket.

According to the invention, the fastening thread structure for connecting the upright post 2 to the switch or the socket is arranged on the upright post 2, and the upright post 2 is detachably arranged on the bottom frame 1, so that when the fastening thread structure on the upright post 2 is damaged, is worn or damaged due to aging, the switch or the socket can be installed and fixed by replacing the upright post 2, and the installation wall around the bottom box is not required to be damaged, thereby greatly reducing the maintenance cost.

As a specific embodiment, the upright 2 is detachably disposed on the bottom frame 1 through a latch structure. Will through the bolt structure stand 2 detachable sets up on the underframe 1, need to be changed like this when stand 2, be convenient for change.

As an embodiment of the latch structure, as shown in fig. 2, fig. 3 or fig. 10, the latch structure includes: the base frame comprises a first fixing groove 11 arranged on the side wall of the base frame 1, a second fixing groove 12 arranged on the bottom wall of the base frame 1, a first bolt 27 arranged on the upright post 2 and used for inserting the first fixing groove 11, and a second bolt 621 arranged on the upright post 2 and used for inserting the second fixing groove 12, wherein at least one of the first bolt 27 and the second bolt 621 is slidably arranged on the upright post 2. Through set up the fixed slot on the lateral wall of underframe 1 with the diapire, set up the bolt that matches again on stand 2, wherein, at least one bolt is slidable setting on stand 2, both can be stable like this fix stand 2 on underframe 1, avoid stand 2 to appear becoming flexible, influence the installation of switch or socket, make things convenient for again the dismouting of stand 2.

The first bolt 27 and the first fixing groove 11 can be slidably connected by a slide rail. In this embodiment, the first pin 27 and the second pin 621 may be inserted directly into the second fixing groove 11 without providing a sliding connection between the second pin 621 and the second fixing groove 12, and the first pin 27 and the first fixing groove 11 may be inserted directly into each other without providing a sliding connection therebetween. Of course, the first latch 27 may not be slidably connected to the first fixing groove 11, and the second latch 621 may be slidably connected to the second fixing groove 12. This is set according to the actual situation.

Wherein, the number of the first fixing grooves 11 is the same as that of the second fixing grooves 621, and the number of the columns 2 is the same as that of the first fixing grooves 11 on the bottom frame. The positions of the first fixing groove 11 and the second fixing groove 621 are set to be attachable and fixed to the column 2. The number of the first fixing grooves is set according to practical situations, and can be set to be 1, 2, 3, 5 and the like. When the first fixing grooves are arranged at 2 or more than 2, the upright post 2 on one first fixing groove 11 can be selected for fixed installation when a switch or a socket is fixedly installed, and when a fastening thread structure on the upright post 2 is damaged, and the upright post 2 is worn or damaged due to aging, the upright post 2 can be directly replaced by another upright post for fixed installation.

When the number of the first fixing grooves 11 is an even number of two or more, each two corresponding first fixing grooves 11 may be regarded as a set of installation grooves, and when the number of the installation grooves is two or more. When installing fixed socket or switch, can only choose for use among them a set of installation cell body stand 2 install switch or socket, and in this cell body subassembly fastening thread structure on the stand 2 is destroyed, when smooth tooth or ageing damage, can change another kind of cell body subassembly and fix, need not to dismantle or change stand 2, alright with quick installation socket, switch etc. also need not to destroy the installation wall around the fixed end box to great reduction cost of maintenance.

In the present embodiment, as shown in fig. 2, the number of the first fixing grooves 11 is 2, and the first fixing grooves are respectively formed on the opposite sidewalls of the bottom frame 1, and of course, the number of the columns 2 and the second fixing grooves 621 is also 2. The two first fixing grooves 11 are equivalently provided with two upright posts 11, so that the stability can be improved when the switch and the socket are fixedly installed.

As a further possible embodiment of the latch structure, as shown in fig. 2, fig. 3, fig. 8, fig. 9 and fig. 10, the first latch 27 is fixed on the upright 2, the second latch 621 is slidably disposed on the upright 2 through a first connecting plate 61 connected thereto, a sliding slot is disposed at a second end of the upright 2 for the first connecting plate 61 to slide therein, and the second latch 621 is fixedly connected with the first connecting plate 61 to form a slider buckle 6. Through with second bolt 621 sets up on first connecting plate 61, first connecting plate 61 is gliding setting again on stand 2, when needs slide second bolt 621, only need slide first connecting plate 61 alright make second bolt 621 insert more easily or take out to quick dismouting stand 2. The installation efficiency is improved.

Of course, the first bolt 27 can also be slidably disposed on the upright 2 according to actual requirements.

As a further possible implementation manner of the latch structure, as shown in fig. 8, two sides of the first connecting plate 61 are elastic walls 611, and at least two protrusions 612 are disposed on the elastic walls 611 to increase the friction force with the sliding slot. Through setting up elasticity wall 611 and bump 612, can make first connecting plate 61 more stable slide on stand 2, prevent first connecting plate 61 with the sliding connection of stand 2 from appearing not hard up to influence the firm setting of stand 2 is in on bottom frame 1, can also make slider knot 6 stop in any position of stand 2 spout, and when needs are installed stand 2, slider knot 6 glides and inserts second fixed slot 12 on bottom frame 1 through second bolt 621 and fixes stand 2, and when needs take out stand 2, can with slider knot 6 slides to the upper end, makes second bolt 621 leave second fixed slot 12, thereby takes out stand 2.

As a further possible implementation manner of the plug pin structure, as shown in fig. 8 or fig. 9, the second plug pin 621 is disposed on the upper portion of the first connecting plate 61 through a second connecting plate 62, a slot 63 is disposed between the first connecting plate 61 and the second connecting plate 62, and a rib 26 for inserting the slot 63 is disposed in the slot. Through with the second bolt 621 set up to on the second connecting plate 62, can strengthen the intensity of second bolt 621, avoid the damage of second bolt 621, still through in first connecting plate 61 with set up between the second connecting plate 62 draw-in groove 63 set up the muscle position 26 is held to the stand 2 second, can make the slider detains 6 is quick slide in the stand 2.

In this embodiment, as shown in fig. 8, the rib 26 is of a U-shaped structure, and the second connecting plate 62 is also of a U-shaped structure toward the first end of the upright 2, so as to match the rib 26 of the U-shaped structure.

As a specific embodiment, as shown in fig. 8, the second connecting plate 62 is provided with a friction strip 622 for increasing friction force. The slider buckle 6 is slid by providing a friction bar 622 to increase the friction force on the second connecting plate 62.

As a specific embodiment, as shown in fig. 10, the bottom wall of the bottom frame 1 is provided with limiting grooves 13 corresponding to two sides of the first fixing groove 11, and the second end of the upright 2 is provided with a limiting strip 25 for being snapped into the limiting grooves 13. Through set up on the diapire of underframe 1 spacing groove 13 stand 2 second end sets up spacing 25, is installing like this can fix a position fast during stand 2, promote the equipment the speed of stand 2 to, can also play further the reinforcement the effect of stand 2 is avoided stand 2 appears becoming flexible, makes the unable mounting hole on aiming at the switch or the socket that need the installation of fastening thread structure.

As an embodiment of the fastening screw structure, the fastening screw structure is at least one set of fastening components detachably disposed at the first end of the upright 2. The fastening screw structure is set to be at least one group of detachable fastening components, when the fastening components are in a group, the fastening components can be directly replaced when the screw structure is damaged, the screw teeth are slipped or the fastening components are aged and damaged, and the upright post 2 does not need to be replaced, so that the cost is reduced. When the fastening assemblies are in multiple groups, the intact fastening assemblies can be replaced on the bad fastening assemblies when the thread structures of the fastening assemblies are damaged, the threads are worn out or the fastening assemblies are aged and damaged, so that the fastening assemblies can be replaced quickly.

Wherein, when the fastening components are in a group, the fastening components need to be arranged on the end surface of the first end of the upright post 2. When the fastening components are in multiple groups, one group of fastening components must be arranged on the end surface of the first end of the upright post 2, and the rest fastening components can be arranged on the upright post 2 at will. When the fastening components of the top do not set up on the terminal surface of the first end of the stand 2, need be provided with the intercommunication top on the terminal surface of the first end of the stand 2 the through-hole 23 of the fastening components, the screw just can pass through the through-hole 23 with the fastening components is turned round tightly and is fixed like this.

As an embodiment of the fastening assemblies, the fastening assemblies are at least two groups, the fastening assemblies are arranged on the first end of the upright post 2 in a stacking mode, and threaded holes in the fastening assemblies are communicated and coaxially arranged. Therefore, when the thread structure of the fastening component on the upper layer is damaged, the thread structure is smooth or the fastening component is aged and damaged, a longer screw can be used for extending to the fastening component on the lower layer for fixing, the upright post 2 or the fastening component does not need to be replaced, and a socket or a switch can be quickly installed.

In this embodiment, the fastening components are in two groups. Of course, the fastening assemblies may be provided in one set, three sets, four sets, etc., as required, and in general, the fastening assemblies are provided in three sets at most because the length of the screws is not so long, and the screw holes in the fastening assemblies are aligned and communicated with each other, and of course, the uppermost fastening assembly is disposed either on the end surface of the first end of the upright 2 or in the upright 2. When the fastening component is arranged in the upright post 2, a through hole 23 communicated to the fastening component at the bottommost end is arranged on the end surface of the first end of the upright post 2, and the through hole 23 is aligned with the threaded hole of the fastening component and is coaxially arranged.

As a further possible embodiment of the fastening assembly, as shown in fig. 2, 4, 5, 6 and 7, the fastening assembly comprises: a base 4 detachably arranged on the first end of the upright post 2, and a threaded fastener 5 arranged in the base 4;

the base 4 is provided with a groove 41 for installing the threaded fastener 5, and the upright post 2 is provided with an installation groove 24 for installing the base 4 from the side surface of the upright post 2. Through setting up base 4, and set up on base 4 threaded fastener 5, base 4 again through recess 41 on the stand 2 with stand 2 is connected, like this when the helicitic texture is destroyed, and smooth tooth or ageing damage, need not whole change fastening components, only need with base 4 follows recess 41 takes out, then, change threaded fastener 5 alright, can practice thrift the replacement cost like this to, installation that can be quick base 4.

In the present embodiment, as shown in fig. 6, the threaded fastener 5 is a hexagonal nut, but may be a pentagonal nut, a tetragonal nut, a connection block provided with a threaded hole, or the like. The base 4 is arranged in the upright post 2, at this time, a through hole 23 communicated with the fastening component at the lowest end is arranged on the end surface of the first end of the upright post 2, which is equivalent to the fact that the through hole 23 is communicated with the threaded fastener 5 at the lowest layer in the upright post, and the through hole 23 is aligned with the threaded hole of the fastening component and is coaxially arranged.

As a still further possible embodiment of the fastening assembly, as shown in fig. 7, the mounting groove 24 is provided at both inner walls thereof with guide grooves 241, and the base 4 is provided at both sides thereof with parallel guide rails 42 for inserting the guide grooves 241. Through the arrangement of the guide groove 241 and the parallel guide rail 42, the base 4 can be guided, the base 4 can be quickly mounted on the upright post 2, the base 4 can be reinforced, and looseness of the base 4 mounted on the upright post 2 can be avoided.

As a specific implementation, the method further comprises the following steps: a fluorescent member provided on an end face of the first end of the pillar 2. Through setting up fluorescence component can utilize the position of fluorescence instruction on the fluorescence component installs socket or switch fast to promote the installation effectiveness greatly.

As an embodiment of the fluorescent member, as shown in fig. 4, the fluorescent member is a fluorescent body 3 disposed on an end face of the first end of the pillar 2;

the terminal surface both sides of 2 first ends of stand are provided with inner concave structure 21, the bottom both sides of fluorophor 3 are provided with and are used for the card to go into outer convex structure 31 of inner concave structure 21, be provided with constant head tank 22 on the terminal surface of 2 first ends of stand, the fluorophor 3 side is provided with and is used for inserting the locating piece 32 of constant head tank 22, be provided with inclined plane screw hole 33 on the fluorophor 3, inclined plane screw hole 33 with the structural screw hole of fastening thread communicates with each other and coaxial setting.

The fluorescent body 3 can guide the installation of a socket or a switch, and the installation efficiency is improved. By providing the concave structure 21 on the pillar 2 and the convex structure 31 on the phosphor 3, the installation of the phosphor 3 can be guided, thereby improving the efficiency of installing the phosphor 3. The positioning grooves 22 are formed in the stand column 2, the positioning blocks 32 are formed in the fluorescent body 3, the fluorescent body 3 can be fixed, and the fluorescent body 3 is prevented from loosening and affecting the installation of a socket or a switch. Through set up inclined plane screw hole 33 on fluorophor 3, can make the mounting screw find the screw hole installation fast, promote the installation effectiveness.

As another possible embodiment of the fluorescent member, (not shown in the figure) the fluorescent member is a fluorescent paper provided on an end surface of the first end of the pillar 2. Through directly setting up fluorescent paper on the stand 2, can utilize the socket or the switch are installed fast to fluorescent paper goes up the position that fluorescence instructed to promote the installation effectiveness greatly, and, fluorescent paper is with low costs, can practice thrift the cost.

As another possible embodiment of the fastening screw structure, (not shown in the figures) the fastening screw structure may also be a connecting piece provided with a threaded hole, and the end face of the first end of the upright 2 is provided with a connecting groove for mounting the connecting piece. In this embodiment, the connecting member is a nut, but may be a block provided with a threaded hole. Through the connecting piece that sets up the screw hole, and will the connecting piece sets up on the terminal surface of 2 first ends of stand, can be destroyed at thread structure like this, when smooth tooth or ageing damage, directly change the connecting piece alright with having need not to change stand 2 practices thrift the cost.

Example two

A switch as described in connection with figures 2 to 10 of the accompanying drawings comprising: the switch comprises a bottom frame 1, a stand column 2 and a switch assembly (not shown in the figure) arranged on the bottom frame, wherein a fastening thread structure used for being connected to the switch is arranged at the first end of the stand column 2, and the stand column 2 is detachably arranged on the bottom frame 1.

Wherein, the switch assembly is fixedly connected with the fastening thread structure on the upright post 2 through a screw.

According to the invention, the switch assembly is arranged on the bottom box 1 with the replaceable upright post 2, so that when a fastening thread structure on the upright post 2 is damaged, is worn or is aged and damaged, only the upright post can be replaced without damaging an installation wall around the bottom box, thereby greatly reducing the maintenance cost.

EXAMPLE III

A socket as described in connection with figures 2 to 10 of the accompanying drawings comprising: the socket comprises a bottom frame 1, a stand column 2 and a socket assembly (not shown in the figure) arranged on the bottom frame, wherein a first end of the stand column 2 is provided with a fastening thread structure used for being connected to the socket, and the stand column 2 is detachably arranged on the bottom frame 1.

Wherein, the socket subassembly passes through the screw with fastening thread structure on the stand 2 carries out fixed connection.

According to the invention, the socket assembly is arranged on the bottom box 1 with the replaceable upright post 2, so that when a fastening thread structure on the upright post 2 is damaged, is worn or is aged and damaged, only the upright post can be replaced without damaging an installation wall around the bottom box, thereby greatly reducing the maintenance cost.

The invention uses the standard upright post 2 as a locking accessory, is combined with a structural design which can replace a fastening thread component and is easy to disassemble and assemble, and adds fluorescent indication at the top of the screw hole, thereby not only conveniently and effectively replacing the fastening thread component so as to rapidly install a switch or a socket, but also greatly improving the installation efficiency by utilizing the position of the fluorescent indication.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A back box for connecting a switch or a socket, comprising: underframe and stand, wherein, stand first end is provided with and is used for being connected to the fastening screw structure of switch or socket, the stand passes through bolt structure detachable and sets up on the underframe, the bolt structure includes: the first fixing groove is formed in the side wall of the bottom frame, the second fixing groove is formed in the bottom wall of the bottom frame, a first bolt is arranged on the upright post and used for being inserted into the first fixing groove, and a second bolt is arranged on the upright post and used for being inserted into the second fixing groove;

the first bolt is fixed on the upright post, the second bolt is arranged on the upright post in a sliding way through a first connecting plate connected with the second bolt, a sliding groove is formed in the second end of the upright post and used for the first connecting plate to slide in, and the second bolt is fixedly connected with the first connecting plate to form a sliding block buckle;

the second bolt is arranged at the upper part of the first connecting plate through a second connecting plate, a clamping groove is arranged between the first connecting plate and the second connecting plate, and a rib position for inserting the clamping groove is arranged in the sliding groove;

the two sides of the first connecting plate are elastic walls, and at least two salient points are arranged on the elastic walls to increase the friction force between the elastic walls and the sliding groove.

2. The bottom box for connecting a switch or a socket as claimed in claim 1, wherein the bottom wall of the bottom frame is provided with a limiting groove corresponding to two sides of the first fixing groove, and the second end of the upright post is provided with a limiting strip for being clipped into the limiting groove.

3. A back case for use in connection with a switch or socket as claimed in claim 1, wherein said fastening screw structure is at least one set of fastening members removably disposed at said first end of said post.

4. The back box for connecting a switch or socket of claim 3, wherein said fastening members are provided in at least two sets, said fastening members are stacked on said first end of said post, and said threaded holes of said fastening members are in communication and coaxially disposed.

5. A back box for connection to a switch or socket according to claim 3 or 4, wherein said fastening assembly comprises: the base is detachably arranged at the first end of the upright post, and the threaded fastener is arranged in the base;

the base is provided with a groove for installing the threaded fastener, and the upright post is provided with an installation groove for installing the base from the side surface of the upright post.

6. The bottom case for a connection switch or a socket as claimed in claim 5, wherein the mounting groove is provided at both side inner walls thereof with guide grooves, and the base is provided at both sides thereof with parallel guide rails for inserting the guide grooves.

7. A back box for connecting a switch or a socket according to claim 1, further comprising: a fluorescent member disposed on an end surface of the pillar first end.

8. A back case for a connection switch or socket as claimed in claim 7, wherein said fluorescent member is a phosphor disposed on an end face of said first end of said post;

9. The bottom case for a connection switch or socket of claim 7, wherein said fluorescent member is a fluorescent paper disposed on an end surface of said first end of said post.

10. The bottom case for connecting a switch or a socket as claimed in claim 1, wherein said fastening screw structure is a connecting member provided with a screw hole, and an end surface of the first end of said post is provided with a connecting groove for mounting said connecting member.

11. A switch, comprising: the back box according to any one of claims 1 to 10, and a switch assembly provided on the back box.

12. A socket, comprising: the back box according to any one of claims 1 to 10, and a receptacle assembly provided on said back box.