CN215266811U - Surge protector socket - Google Patents

Abstract

The utility model belongs to the technical field of the lightning protection, concretely relates to surge protector socket, it is including installation barrel and mounting plate. The installation barrel is provided with and holds the chamber, and the installation barrel is formed by three piece at least connecting plates concatenation. The mounting base plate is provided with a socket elastic sheet, and at least one connecting plate is connected with the mounting base plate. When the surge protector is placed into the accommodating cavity, the surge protector is in contact with the socket elastic sheet, so that the surge protector is electrically connected with the lightning protection power distribution system through the socket elastic sheet. Connecting plate and mounting plate can directly be formed by panel cutting process, and panel can make the connecting plate of multiple equidimension not when cutting man-hour, and a plurality of equidimension installation barrels can be spliced into to three piece at least connecting plates to the surge protector of different equidimensions is inserted to need not to make a plurality of moulds alright with the surge protector socket of multiple different equidimensions of preparation fast, has shortened the production cycle of surge protector socket, has reduced manufacturing cost, is favorable to the batch production of surge protector socket.

Description

Surge protector socket

Technical Field

The utility model belongs to the technical field of the lightning protection, more specifically say, relate to a surge protector socket.

Background

A Surge protector (Surge protection Device), referred to as SPD for short, also called SPD module, is an electronic Device for providing safety protection for various electronic devices, instruments and meters, and communication lines. In a lightning protection power distribution system, an SPD module is an important lightning protection element and is also a loss element, and needs to be replaced after being damaged.

In the related art, an SPD module is mounted on a dedicated SPD socket. Different electronic devices have different lightning protection requirements, and the shape, size and number of the SPD modules matched with the electronic devices are different, so that various SPD sockets are required. The SPD socket is generally produced by adopting an injection molding machine matched mould, and various different socket moulds need to be manufactured when various different SPD sockets are produced, but the manufacturing time of the mould is longer, the cost is higher, the production period of the socket is longer, and the small-batch production is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a surge protector socket to there is the production cycle length, the higher technical problem of cost in the surge protector socket of solving among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: a surge protector receptacle is provided, comprising a mounting cylinder and a mounting base plate. The middle part of the installation cylinder body is provided with an accommodating cavity, and the installation cylinder body is formed by splicing at least three connecting plates. The mounting base plate is provided with a socket elastic sheet, at least one connecting plate is connected with the mounting base plate, and the socket elastic sheet is arranged at the position of the mounting base plate just facing the accommodating cavity.

In some embodiments, a positioning plate is further arranged in the accommodating cavity, at least one connecting plate is connected with the positioning plate, the positioning plate divides the accommodating cavity into a first cavity and a second cavity up and down, and a first jack is arranged at a position of the positioning plate opposite to the socket elastic sheet.

In some embodiments, the mounting base plate is provided with a non-lock key, the non-lock key is located in the first cavity, and the positioning plate is provided with a through hole at a position opposite to the non-lock key.

In some embodiments, one side of the positioning plate is provided with an anti-error hole for preventing the surge protector from being inserted by mistake.

In some embodiments, at least one connecting plate is provided with a second jack, and the edge of the positioning plate is provided with a first protrusion which is in plug fit with the second jack.

In some embodiments, the mounting base plate is provided with a third jack, and the edge of the connecting plate facing the mounting base plate is provided with a second protrusion which is in plug fit with the third jack.

In some embodiments, the connecting plates have four pieces, and the four pieces are spliced to form a square-shaped mounting cylinder.

In some embodiments, two adjacent connecting plates are clamped at two adjacent sides.

In some embodiments, two adjacent side edges of two adjacent connecting plates are welded or bonded.

In some embodiments, at least one of the connection plates is provided with a clamping groove or a buckle, and the clamping groove or the buckle is used for clamping the surge protector arranged in the accommodating cavity.

The utility model provides a surge protector socket's beneficial effect lies in: compared with the prior art, the utility model discloses a surge protector socket, it utilizes three piece at least connecting plates concatenation to form the installation barrel to form the chamber that holds that is used for holding surge protector at the middle part of installation barrel, then will install the barrel and install on mounting plate, make mounting plate's socket shell fragment just to holding the chamber, when surge protector puts into and holds the chamber promptly, surge protector contacts with the socket shell fragment, makes surge protector pass through the socket shell fragment and is connected with lightning protection distribution system electricity. Connecting plate and mounting plate can directly be formed by panel cutting process, panel can make the connecting plate of multiple equidimension when cutting man-hour, at least three connecting plates can splice into a plurality of installation barrels that have different sizes and hold the chamber, with the surge protector of different equidimensions of placeeing in the matching, satisfy multiple different electronic equipment's lightning protection demand, need not to make a plurality of moulds alright make the surge protector socket of multiple different shapes and sizes fast, the production cycle of surge protector socket has been shortened, the production cost is reduced, be favorable to the batch production of surge protector socket.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic overall structural diagram of a usage state of a surge protector socket according to an embodiment of the present invention;

fig. 2 is a schematic exploded view of the surge protector socket and surge protector shown in fig. 1;

fig. 3 is a schematic cross-sectional view of the surge protector receptacle of fig. 1;

fig. 4 is a schematic cross-sectional view of the surge protector socket and surge protector shown in fig. 1;

fig. 5 is a schematic view of the mounting cartridge shown in fig. 1 after deployment.

Wherein, in the figures, the respective reference numerals:

100. installing a cylinder body; 110. an accommodating chamber; 120. a connecting plate; 121. a second jack; 122. a second protrusion; 123. a copper sheet; 124. a recess; 125. a bump; 131. a card slot; 140. positioning a plate; 141. a first jack; 142. a through hole; 143. a mistake-proof hole; 144. a first protrusion; 150. a first chamber; 160. a second chamber; 200. mounting a bottom plate; 210. a socket spring; 220. no lock key; 230. a third jack; 300. a surge protector; 310. inserting sheets; 320. buckling; 330. a trip device; 340. prevent mistake plug-in block.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to fig. 1 to 5 and the 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.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular manner of operation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more than two unless specifically limited otherwise.

Referring to fig. 1 to 5, a surge protector socket according to an embodiment of the present invention will now be described.

As shown in fig. 1 to 4, the surge protector socket of the present embodiment includes a mounting cylinder 100 and a mounting base plate 200. Wherein, installation barrel 100 middle part is provided with and holds chamber 110, and installation barrel 100 is formed by three piece at least connecting plates 120 concatenation, and the middle part encloses into and holds chamber 110 and both ends opening. The accommodating cavity 110 is used for accommodating the surge protector 300, at least one connecting plate 120 of the installation cylinder 100 is connected with the installation base plate 200, the installation base plate 200 is provided with a socket elastic sheet 210 used for being connected with a terminal of the surge protector 300, the socket elastic sheet 210 is positioned at a position of the installation base plate 200 facing the accommodating cavity 110 of the installation cylinder 100, namely, one end opening of the installation cylinder 100 faces the socket elastic sheet 210, so that the terminal of the surge protector 300 placed in the accommodating cavity 110 of the installation cylinder 100 is connected with the socket elastic sheet 210, and the purpose of being connected with the surge protector 300 is achieved. It should be noted that, in this embodiment, the socket elastic piece 210 has a lead for connecting to a lightning protection power distribution system, and then the surge protector 300 in the accommodating cavity 110 is connected to the lightning protection power distribution system, so that the surge protector 300 plays a lightning protection role.

When the surge protector socket of the embodiment is assembled, at least three connecting plates 120 are spliced to form the mounting cylinder 100, and then the mounting cylinder 100 is mounted on the mounting base plate 200 with the socket elastic sheet 210, so that the socket elastic sheet 210 faces the accommodating cavity 110, and the assembly of the surge protector socket is completed. The assembled surge protector socket can be fixedly mounted on a circuit board of a lightning protection power distribution system. Then, the surge protector 300 enters the accommodating cavity 110 from the opening of the side of the mounting cylinder 100 away from the mounting base plate 200 until the terminal of the surge protector 300 is connected with the socket dome 210, and then the surge protector 300 can be electrically connected with the lightning protection power distribution system through the socket dome 210.

It should be noted that, connecting plate 120 and mounting plate 200 can be directly by plastics, insulating board cutting process such as PCB base plate forms, panel can make the connecting plate 120 of multiple equidimension not when cutting processing, consequently at least three connecting plates 120 can splice into a plurality of installation barrel 100 that have not equidimension and hold chamber 110, with the surge protector 300 of different shape size of mating arrangement, satisfy the lightning protection demand of multiple different electronic equipment, then need not to make a plurality of moulds alright make the surge protector socket of multiple different shape sizes fast, the production cycle of surge protector socket has been shortened, the production cost is reduced, be favorable to the small batch production of surge protector socket.

The embodiment of the utility model provides a surge protector socket, it utilizes three piece at least connecting plates 120 concatenation to form installation barrel 100, and form the chamber 110 that holds that is used for holding surge protector 300 at the middle part of installation barrel 100, then install installation barrel 100 on mounting plate 200, make mounting plate 200's socket shell fragment 210 just to holding chamber 110, surge protector 300 can put into and hold chamber 110 promptly, the wiring end contacts with socket shell fragment 210, then surge protector 300 is connected with lightning protection power distribution system electricity through socket shell fragment 210. Therefore, at least three connecting plates 120 can be spliced into a plurality of installation barrels 100 with different sizes of accommodating cavities 110, so that surge protectors 300 with different shapes and sizes are inserted in a matching mode, the lightning protection requirements of various different electronic equipment are met, and the surge protector sockets with different shapes and sizes can be manufactured quickly without manufacturing a plurality of dies, so that the production period of the surge protector sockets is shortened, the production cost is reduced, and the batch production of the surge protector sockets is facilitated.

In another embodiment of the present invention, please refer to fig. 1, fig. 2, fig. 3 and fig. 5, at least one connecting plate 120 is provided with a clamping groove 131, and the clamping groove 131 is used for being buckled with a buckle 320 of the surge protector 300. That is, when the surge protector 300 is inserted into the accommodating cavity 110, the buckle 320 of the surge protector 300 is buckled in the clamping groove 131, the surge protector 300 is locked and fixed in the accommodating cavity 110, the surge protector 300 is prevented from shaking, and at the moment, the insertion piece 310 of the surge protector 300 is in contact with the socket elastic piece 210, so that the purpose that the surge protector 300 and the socket elastic piece 210 are kept in good contact is achieved. It is understood that the clamping slot 131 of the connection board 120 can be replaced by a clamping buckle, and the clamping buckle 320 of the surge protector 300 can be replaced by a clamping slot, so as to achieve the purpose of clamping the connection board 120 and the surge protector 300. In this embodiment, the two connecting plates 120 are provided with clamping slots 131, which are clamped with two buckles 320 on both sides of the surge protector 300.

In addition, the surge protector 300 may be fixed in the accommodating chamber 110 by bolts or screws.

In another embodiment of the present invention, please refer to fig. 2 to fig. 4, a positioning plate 140 is disposed in the accommodating cavity 110, and the positioning plate 140 is connected to at least one connecting plate 120. For convenience of description, the direction of the mounting cylinder 100 toward the mounting base plate 200 in the present embodiment is downward, and the direction of the mounting cylinder 100 away from the mounting base plate 200 is upward. In the present embodiment, the positioning plate 140 is parallel to the mounting base plate 200. The positioning plate 140 vertically divides the accommodating cavity 110 of the mounting cylinder 100 into a first cavity 150 and a second cavity 160, the first cavity 150 is located at the lower part of the mounting cylinder 100, the second cavity 160 is located at the upper part of the mounting cylinder 100, the second cavity 160 is used for accommodating the surge protector 300, and the position of the positioning plate 140 facing the socket spring 210 is provided with a first insertion hole 141. I.e., the first insertion hole 141 is formed above the socket spring 210. The surge protector 300 is placed in the second chamber 160, wherein the terminal of the surge protector 300 is inserted into the first insertion hole 141 from the top down and passes through the first insertion hole 141 to contact the socket dome 210, so as to ensure that the surge protector 300 contacts the socket dome 210. The positioning plate 140 is used for limiting the depth of the surge protector 300 inserted into the accommodating cavity 110, the surge protector 300 is inserted into the second cavity 160 until abutting against the positioning plate 140, the position where the insertion is completed can be reached, and at the moment, the terminal of the surge protector 300 is inserted into the first insertion hole 141 and contacts with the socket elastic sheet 210.

In another embodiment of the present invention, referring to fig. 2 and 3, the socket spring 210 has two elastic U-shaped clips. The terminal of the surge protector 300 generally has two insertion pieces 310, and the two insertion pieces 310 are all inserted into two elastic U-shaped clamping pieces, so that the elastic U-shaped clamping pieces clamp the insertion pieces 310, and the purpose of good contact between the elastic U-shaped clamping pieces and the insertion pieces 310 is achieved. In this embodiment, the end of the socket spring 210 departing from the mounting base plate 200 passes through the first insertion hole 141 and extends upward into the second cavity 160, so that the clamping arm of the elastic U-shaped clamping piece can be longer, the insertion piece 310 can be better clamped, and the surge protector 300 can be better fixed.

In addition, the socket spring 210 is integrally located in the first cavity 150, and the two insertion pieces 310 of the surge protector 300 can be inserted into the first insertion hole 141 and extend into the elastic U-shaped clip, so that the elastic U-shaped clip clamps the insertion pieces 310. This also allows the socket spring 210 to make good contact with the blade 310.

In another embodiment of the present invention, referring to fig. 2 to 4, the mounting base plate 200 is provided with a non-lock button 220, the non-lock button 220 is located in the first cavity 150, and the through hole 142 is provided at a position of the positioning plate 140 facing the non-lock button 220. That is, the positioning plate 140 is provided with a through hole 142 directly above the non-lock button 220. Commercially available surge protectors 300 typically have a trip device 330 for monitoring whether the surge protector 300 is damaged, the trip device 330 being disposed at the end of the surge protector 300 that is inserted into the second chamber 160. The trip device 330 is a lightning protection trip device commonly available in the market, and is not described herein for the prior art. In this embodiment, as shown in fig. 3, the key end of the non-lock key 220 passes through the through hole 142 and extends into the second cavity 160. When the surge protector 300 is plugged into the second chamber 160, if the surge protector 300 is in a normal state, the trip unit 330 will press the unlock button 220; if the surge protector 300 is damaged, the trip device 330 is tripped, that is, the end of the unlock button 220 pressed by the trip device 330 will retract, so that the unlock button 220 is reset, the on-off state of the unlock button 220 is changed, and the remote signaling state of the surge protector 300 can be detected through the unlock button 220.

It is understood that in some specific embodiments, the key end of the unlock button 220 does not need to pass through the through hole 142 and extend into the second cavity 160, and the entire unlock button 220 is located in the first cavity 150, and then the trip device 330 of the surge protector 300 needs to pass through the through hole 142 and make the trip device 330 press the unlock button 220, that is, the length of the trip device 330 of the surge protector 300 can satisfy the condition of pressing the unlock button 220, so that the purpose of monitoring the telecommand state of the surge protector 300 can be achieved.

In another embodiment of the present invention, please refer to fig. 1 and fig. 2, all the connecting plates 120 are connected to the mounting plate 200, and each connecting plate 120 is connected to the mounting plate 200, so as to improve the structural strength of the mounting cylinder 100 connected to the mounting plate 200, and to make the mounting of the surge protector 300 more stable.

In addition, in other embodiments, some of the connection plates 120 may not be connected to the mounting baseplate 200. For example, one of the connection plates 120 of the installation cylinder 100 is fixedly connected with the installation base plate 200, and the other connection plate 120 is not connected with the installation base plate 200, so that a gap is formed between one end of the installation cylinder 100 facing the installation base plate 200 and the installation base plate 200, and a worker can conveniently check whether the terminal of the surge protector 300 is in contact with the socket dome 210 from the gap.

In another embodiment of the present invention, referring to fig. 2 to 4, an anti-error hole 143 for preventing the surge protector 300 from being inserted by mistake is disposed on one side of the positioning plate 140. The general surge protector 300 has an anti-misplug block 340, and the anti-misplug block 340 is used for being inserted into the anti-misplug hole 143. When the surge protector 300 is properly inserted into the second chamber 160, the anti-tamper block 340 of the surge protector 300 will be inserted into the anti-tamper hole 143. When the surge protector 300 is inserted into the second cavity 160 in a staggered manner, the anti-misplug block 340 abuts against the positioning plate 140, so that a gap is formed between the positioning plate 140 and the surge protector 300, and the terminal of the surge protector 300 is not in contact with the socket spring piece 210 or the surge protector 300 is in poor contact with the socket spring piece 210, namely, the surge protector 300 is installed wrongly. At this moment, the surge protector 300 needs to be pulled out of the second chamber 160, and the position of the surge protector 300 is readjusted, so that when the surge protector 300 is plugged into the second chamber 160, the anti-error plugging block 340 is plugged into the anti-error hole 143, and the surge protector 300 is tightly attached to the positioning plate 140.

In another embodiment of the present invention, please refer to fig. 2 and 5, at least one connecting plate 120 is provided with a second insertion hole 121, and the edge of the positioning plate 140 is provided with a first protrusion 144 inserted into the second insertion hole 121. The edge of the positioning plate 140 is inserted into the second insertion hole 121 through the first protrusion 144, so as to connect the positioning plate 140 and the connecting plate 120. The second insertion hole 121 cooperates with the first protrusion 144 to allow the positioning plate 140 to be quickly positioned and coupled to the connection plate 120 to prevent the positioning plate 140 from being deviated in installation position. In the embodiment, each connecting plate 120 has a second insertion hole 121, and the positioning plate 140 is connected to the second insertion hole 121 of each connecting plate 120 through a plurality of first protrusions 144, so as to better fix the positioning plate 140. It is understood that the edge of the positioning plate 140 can be welded or adhered to the connecting plate 120 by using an adhesive to better fix the positioning plate 140 in the receiving cavity 110 of the mounting cylinder 100.

In another embodiment of the present invention, referring to fig. 2 and 5, the mounting base plate 200 is provided with a third insertion hole 230, and the edge of the connecting plate 120 facing the mounting base plate 200 is provided with a second protrusion 122 inserted into the third insertion hole 230. The edge of the connecting plate 120 is inserted into the third insertion hole 230 through the second protrusion 122 to achieve the positioning and installation of the connecting plate 120, and prevent the connecting plate 120 from deviating from the installation position. It is understood that the edge of the connection plate 120 may be welded or adhered to the mounting base plate 200 by using an adhesive to better fix the connection plate 120 to the mounting base plate 200.

In another embodiment of the present invention, please refer to fig. 1, fig. 2 and fig. 5, there are four connecting plates 120, and the four connecting plates 120 are spliced to form a square mounting cylinder 100. That is, the installation cylinder 100 is a square cylinder, and the accommodating cavity 110 in the middle of the installation cylinder 100 is a square cavity for accommodating the square surge protector 300. The general surge protector 300 is square, so that the square mounting cylinder 100 can be better matched with the surge protector 300, and the application range is improved.

In addition, the number of the connecting plates 120 may also be three or five or other natural numbers, three or five connecting plates 120 enclose the mounting cylinder 100 with the receiving cavity 110, and the size of the receiving cavity 110 is adapted to the size of the surge protector 300 to be inserted, so that the formed receiving cavity 110 can receive the surge protector 300.

It is understood that in another embodiment of the present invention, two socket dome 210 and one non-locking button 220 are a set of socket fittings, and the mounting base plate 200 can be provided with a plurality of sets of socket fittings to match with a plurality of mounting cylinders 100 for mounting a plurality of surge protectors 300. Moreover, it should be noted that multiple sets of socket fittings may also be arranged side by side, and one installation cylinder 100 may surround multiple sets of socket fittings, so that one installation cylinder 100 may be arranged to install multiple surge protectors 300 side by side.

In another embodiment of the present invention, please refer to fig. 2 and 5, two adjacent sides of two adjacent connecting plates 120 are clamped. The edge of one of two adjacent connecting plates 120 is provided with a notch 124, and the edge of the other connecting plate is provided with a lug 125 matched with the notch 124, so that concave-convex clamping is realized, and the purpose of splicing to form the installation cylinder body 100 is achieved. In this embodiment, the notch 124 is a square opening, and the protrusion 125 is a square protrusion 125 adapted to the size of the square opening, so that the square protrusion 125 can be better inserted into the square opening, the fit gap between two adjacent connecting plates 120 is smaller, and the mounting accuracy is improved. In order to process the right angle of the notch 124, a through hole can be turned at a position where the right angle needs to be formed on the connecting plate 120, and then the edge of the connecting plate 120 is cut and processed by a cutting machine or a routing machine, so that the processing cutter passes through the through hole, and the notch 124 with the right angle is formed, thereby facilitating the processing of the notch 124.

In another embodiment of the present invention, two adjacent side edges of two adjacent connecting plates 120 are welded or bonded by an adhesive. That is, two adjacent connecting plates 120 are directly welded and fixed, or are bonded and fixed by using an adhesive, so that the connecting plates 120 are better fixed, the connection and fixation between the connecting plates 120 are more reliable, and the structural strength of the installation cylinder 100 is improved.

In another embodiment of the present invention, please refer to fig. 2 and 5, the connecting plates 120, the mounting plate 200, and the positioning plate 140 are PCB plates, two adjacent connecting plates 120 are welded by soldering, the positioning plate 140 is welded on the connecting plates 120 by soldering, and the connecting plates 120 are welded on the mounting plate 200 by soldering. Note that, in order to make soldering more stable, the soldering position of the connection plate 120, the soldering position of the positioning plate 140, and the soldering position of the mounting board 200 are provided with copper sheets 123, respectively. The copper sheet 123 can be better bonded with the soldering solder, so that the soldering is more stable, and the structural strength of the soldering position is improved.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A surge protector socket, comprising:

the mounting cylinder is formed by splicing at least three connecting plates;

the mounting base plate is provided with a socket elastic sheet, at least one connecting plate is connected with the mounting base plate, and the socket elastic sheet is arranged at the position, right opposite to the accommodating cavity, of the mounting base plate.

2. The surge protector socket according to claim 1, wherein a positioning plate is further disposed in said accommodating cavity, at least one of said connecting plates is connected to said positioning plate, said positioning plate vertically divides said accommodating cavity into a first cavity and a second cavity, and a first insertion hole is disposed at a position of said positioning plate facing said socket spring.

3. The surge protector socket of claim 2, wherein said mounting base plate is provided with a non-locking button, said non-locking button being located within said first cavity, said alignment plate being provided with a through hole at a location opposite said non-locking button.

4. The surge-protector receptacle of claim 2, wherein one side of the alignment plate is provided with an anti-error hole for preventing the surge-protector from being erroneously inserted.

5. The surge-protector receptacle of claim 2, wherein at least one of the connecting plates is provided with a second receptacle, and wherein an edge of the alignment plate is provided with a first projection that is in mating engagement with the second receptacle.

6. A surge protector socket according to any of claims 1 to 5, wherein the mounting base plate is provided with a third receptacle, and the edge of the connecting plate facing the mounting base plate is provided with a second projection which is in bayonet engagement with the third receptacle.

7. The surge protector socket according to any of claims 1 to 5, wherein there are four of said connecting plates, and wherein four of said connecting plates are joined to form a square of said mounting cylinder.

8. The surge protector socket according to any of claims 1 to 5, wherein adjacent sides of two adjacent connecting plates snap-fit.

9. A surge protector socket according to any of claims 1 to 5, wherein adjacent side edges of two adjacent connecting plates are welded or glued.

10. The surge protector socket according to any of claims 1 to 5, wherein at least one of the connection plates is provided with a snap or catch for snap-engagement with a surge protector mounted in the receiving cavity.

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