TWI684957B - Detector easy to disassemble - Google Patents

Abstract

A detector that is easily and quickly disassembled includes a fixing unit fixed on a wall surface, a body unit detachably mounted on the fixing unit, a first electrode unit, and a second electrode unit. The fixing unit includes a fixing base, and a tab set disposed on the fixing base and electrically connected to a power source. The fixing seat has an inner ring wall defining a tapered guide groove. The body unit includes a ring seat. The ring seat has a tapered ring wall defining a tapered recess. The tapered ring wall is aligned with the tapered guide groove. The first electrode unit has a first conductive contact passing through the tapered ring wall and contacting the tab set. The second electrode unit has at least one ring electrode looped in the tapered guide groove and connected to the tab set, and at least one second conductive contact passing through the tapered ring wall and contacting the at least one ring electrode Point group. In this way, with the matching relationship between the tapered ring wall and the tapered guide groove, the electrical connection is maintained, and the convenience and simplicity in assembly are improved.

Description

Detector easy to disassemble

The invention relates to a detector, in particular to a detector which is easy to disassemble quickly.

Referring to FIG. 1, taking a conventional fire detection unit 1 disclosed in the Patent Case No. I235965 of the Republic of China as an example, it mainly includes a support 11 fixed on a wall surface, and a support 11 A base 12, a circuit board 13 mounted on the support 11 and connected to the power source, and a pin 14 and a ground terminal 15 formed at one end of the base 12.

During assembly, the support 11 is fixed in advance on the wall surface and is connected to the power supply. Therefore, when the base 12 is to be mated, the contacts on the circuit board and the terminal bolts 14 must be aligned The ground terminal 15 can turn on the circuit.

However, because the base 12 is combined with the support 11 only after the support 11 is fixed, the time and difficulty of installation are increased due to the aforementioned alignment problems during the combination, and it is easy After the alignment, because the interior is not visible, or the alignment position of the base 12 and the support 11 is slightly offset, there may be a poor contact.

Therefore, an object of the present invention is to provide a detector that can be easily and quickly disassembled to improve the convenience and simplicity of assembly.

Therefore, the detector of the present invention, which is easily and quickly disassembled, is suitable for installation on a wall surface. The detector includes: a fixing unit, a body unit, a first electrode unit, and a second electrode unit.

The fixing unit includes a fixing seat, a first tab set, and a second tab set, the fixing base has an inner ring wall surrounding an axis and defining a tapered guide groove, and connected to the inner A substrate fixed to the wall surface at one end of the ring wall, the first tab set has a first conductive tab fixed on the substrate and electrically connected to the power supply, and the second tab set has a substrate fixed and electrically connected to the power supply With at least one second conductive tab.

The body unit is detachably mounted on the fixed seat, and includes a ring seat with a tapered ring wall surrounding the axis and defining a tapered cavity, the tapered ring wall and the tapered guide Align the groove.

The first electrode unit includes a first conductive contact passing through the tapered ring wall along the axis and contacting the first conductive contact.

The second electrode unit includes at least one ring electrode looped in the tapered guide groove and connected to the at least one second conductive tab, and a first electrode passing through the tapered ring wall and contacting the at least one ring electrode Two conductive contact groups.

The effect of the present invention is to maintain the electrical connection by the matching relationship between the tapered ring wall and the tapered guide groove, and the positional relationship between the first electrode unit and the second electrode unit, and to improve the Convenience and simplicity.

Referring to FIG. 2, FIG. 3 and FIG. 4, an embodiment of the detector of the present invention that is easy to disassemble includes a fixing unit 2, a body unit 3, a first electrode unit 4, and a second electrode unit 5.

The fixing unit 2 includes a fixing base 21, a first tab group 22, a second tab group 23, and an insulating decorative plate 24.

The fixing base 21 has an inner ring wall 211 surrounding an axis X and defining a tapered guide groove 210, a base plate 212 connected to one end of the inner ring wall 211, surrounding the inner ring wall 211 and connecting the base plate 212 An outer ring wall 213, and four side plates 214 extending along the axis X direction and connecting the inner ring wall 211 and the base plate 212. The substrate 212 has a plate surface 215 opposite to the inner ring wall 211, and two openings 216 through which a power supply line (not shown) passes. The inner ring wall 211 has four notches 217 extending from an end opposite to the base plate 212 toward the base plate 212 and adjacent to the side plates 214. The outer ring wall 213 has a stop edge 218 formed on an inner surface and adjacent to an end opposite to the base 212.

The first contact group 22 has an elastic piece 220 that is inserted into the tapered guide groove 210 along the axis X and is fixed to the base plate 212, is fixed to the plate surface 215 of the base plate 212, and is electrically connected to a power source (not shown) A first conductive contact 221, a contact bolt 222 that passes through the first conductive contact 221 and the elastic piece 220 along the axis X and is screwed with the substrate 212 to form an electrically connected contact, And two connecting bolts 223 screwed to the first conductive tab 221 and used for electrically connecting electric wires (not shown). The elastic piece 220 is electrically connected to the contact bolt 222 and stretches in a direction opposite to the direction of the substrate 212, and the area facing one side of the body unit 3 is larger than that of the contact bolt 222 facing one end of the body unit 3 area.

The second contact group 23 has two second conductive contacts 231 fixed on the board surface 215 of the substrate 212 and electrically connected to a power source (not shown), and passing through the second conductive contacts 231 along the axis X direction In addition, it is screwed with the base plate 212 to electrically connect the two terminal bolts 232 of the electric wires. Each second conductive tab 231 has an extension 233 passing through the opening 216 of the substrate 212.

The insulating decorative plate 24 is an insulating material (such as plastic) covering the board surface 215 of the base plate 212 of the fixing base 21 and has two through holes 241 corresponding to the openings 216 and through which the power supply line passes.

The body unit 3 is detachably mounted on the fixing base 21, and includes a ring base 31 and three snap sets 32.

The ring seat 31 has a tapered ring wall 311 surrounding the axis X and defining a tapered cavity 310 (see FIG. 5 ), and an outer ring wall 213 surrounding the tapered ring wall 311 and the fixed seat 21对合的一环缘312. The tapered recess 310 is used for mounting electronic components such as smoke detection components (not shown), circuit boards (not shown) and the like. The tapered ring wall 311 is aligned with the tapered guide groove 210. The collar 312 has three sockets 313.

Each buckle group 32 has a buckle 321 and an elastic element 322. The buckle 321 is disposed on the ring base 31 and is displaced relative to the tapered ring wall 311 along a direction perpendicular to the axis X between a buckling position (see FIG. 6) and a disengagement position (see FIG. 7). In the position, the catch 321 is hooked on the stopping edge 218 of the outer ring wall 213, and in the disengaged position, the catch 321 is disengaged from the stopping edge 218 of the outer ring wall 213. Each buckle 321 has a pressing portion 323 passing through a respective socket 313, and a barb 324 for hooking the blocking edge 218. The elastic element 322 is disposed between the buckle 321 and the tapered ring wall 311, and constantly generates a biasing force to make the buckle 321 at the buckling position.

The first electrode unit 4 has a first conductive contact 41 passing through the tapered ring wall 311 along the axis X and contacting the first conductive tab 221. In this embodiment, the first conductive contact 41 is formed by a plug of a plug.

Referring to FIGS. 2, 3 and 5, the second electrode unit 5 has two ring-shaped electrodes 51 that are looped in the tapered guide groove 210 and connect the second conductive tabs 231, and pass through the tapered The ring wall 311 contacts a second conductive contact group 52 of the ring electrodes 51. Each ring electrode 51 has a ring electrode portion 511 surrounding the tapered ring wall 311, and a connecting portion 512 extending in a direction perpendicular to the axis X. The connecting portion 512 connects the ring-shaped electrode portion 511 and the extension portion 233 of the respective second conductive tab 231 through the notch 217 corresponding to the fixing base 21, and is fixed to the corresponding side plate 214. The second conductive contact group 52 has two reeds 521 and two guide bolts 522. The two ends of each reed 521 pass through the tapered ring wall 311 and form two second conductive contacts 523 opposite to the ring electrodes 51. Each guide bolt 522 passes through a respective reed 521 and is screwed with the tapered ring wall 311. The second conductive contacts 523 and the first conductive contact 41 are electrically connected to electronic components such as a front detection element (such as a smoke detection element) and a circuit board.

It should be noted that the number of the ring electrodes 51, the second conductive tabs 231, the terminal bolts 232 and the terminal bolts 223 of the first tab group 22 is not limited to two. In this embodiment, In other variations, it may be one. When the number of the ring electrodes 51, the second conductive tabs 231, the terminal bolts 232 and the terminal bolts 223 of the first terminal group 22 is two, respectively 1. The negative wire (not shown) is electrically connected to one of the terminal bolts 223 of the first tab group 22, and one of the terminal bolts 232 of the second tab group 23, and for guiding the power supply through The next detector forms the positive and negative wires (not shown) of the series circuit and is electrically connected to the other terminal bolt 223 of the first terminal group 22 and the other terminal bolt of the second terminal group 23 232. When the number of the connecting portions 223 of the ring electrodes 51, the second conductive tabs 231 and the first conductive tabs 221 is one, only the positive and negative wires (not shown) for guiding the power supply to enter The terminal bolt 223 connected to the first tab group 22 and the terminal bolt 232 of the second tab group 23.

Referring to FIGS. 3, 5 and 6, when assembling, it is only necessary to electrically connect the wires of the terminal bolts 232 of the second tab group 23 and the terminal bolts 223 of the first tab group 22 When the fixing seat 21 is fixed to a wall surface (such as a ceiling), the main body unit 3 can be advanced in any direction toward the fixing seat 31, whereby during the advancement process, the conical ring wall 311 of the ring seat 31 will According to the displacement of the tapered guide groove 210 of the fixing seat 21, and automatically guide to the position of the axis X, and the buckles 321 of the buckle sets 32 will be pushed by the blocking edge 218 of the fixing seat 21, Without disturbing the movement of the ring base 31, it can be displaced in the direction of the tapered ring wall 311. After the ring base 31 and the fixing base 21 are engaged, the catches 321 are received by the elastic elements 322 The biasing force will be hooked on the blocking edge 218 of the fixing seat 21 and located at the buckling position, so that the body unit 3 is combined with the fixing seat 21.

In the process of combining the body unit 3 with the fixing base 21, the first conductive contact 41 of the first electrode unit 4 will first contact with the elastic sheet 220 with a larger area, and then be guided to be on the axis X The first conductive contact 41 of the first electrode unit 4 will directly contact the contact plug 222 at the position of the axis X to form an electrical connection state, and the second conductive contacts of the second electrode unit 5 The point 523 directly contacts any part of the ring electrode portion 511 of the ring electrodes 51, and is connected to the extension portions 233 of the second conductive tabs 231 through the connection portions 512 The conductive tab 231 forms an electrical connection state, and the assembly is completed.

It is worth noting that, because the area of the elastic piece 220 is large, even if the first conductive contact 41 is not aligned with the contact bolt 222, it can pass through the elastic piece 220 after contacting the elastic piece 220 The contact bolt 222 is electrically connected.

Referring to FIG. 7, when the body unit 3 is to be disassembled, it is only necessary to push the snaps 321 of the snap groups 32 from the snap position to the disengaged position of the stop edge 218 of the fixing base 21, The body unit 3 can be detached from the fixing base 21.

Through the above description, the advantages of the foregoing embodiments can be summarized as follows:

1. According to the present invention, the tapered guide groove 210 of the fixing seat 21 and the tapered ring wall 311 of the body unit 3 are aligned, which not only can automatically guide the position of the body unit 3, but also can be located on the axis The contact bolt 222 at the X position is automatically aligned with the first conductive contact 41, thereby saving installation time and improving the accuracy of alignment.

2. The present invention can make the second conductive contacts 523 contact any one of the ring-shaped electrode portions 511 of the ring-shaped electrodes 51 without restriction of directionality by the arrangement of the ring-shaped electrodes 51 The position further improves the convenience of installation and the accuracy of alignment.

3. Furthermore, the buckle relationship between the buckle set 32 and the fixing base 21, combined with the fixing base 21 and the body unit 3, is not only easy to use and operate, but also cooperates with the tapered guide groove 210 and the cone The matching relationship of the ring-shaped wall 311 enables the present invention to disassemble and install the body unit 3 in a straight up and down manner to achieve the purpose of easy disassembly and assembly.

4. Combine the automatic alignment of the tapered guide groove 210 and the tapered ring wall 311, the non-directional contact function of the ring electrode 51 and the conductive contacts 523, and the buckle sets 32 and the fixing With respect to the buckling relationship of the seat 21, the user can easily detach and install the body unit 3 by pushing the moving member from bottom to top, thereby the user can install the body unit 3 at a low place to avoid the danger of working at heights.

However, the above are only examples of the present invention, and the scope of implementation of the present invention cannot be limited by this, any simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the content of the patent specification are still classified as Within the scope of the invention patent.

2·········Fixed unit 21······Fixed seat 210·····Conical guide groove 211············Inner ring wall 212·······Substrate 213·· ················· ·········································································· Notch 218 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ········································· First contact lug 222··························· · Second Contact Group 231····· Second Conductive Contact 232···· Terminal Bolt 233····· Extension 24······ Insulation Trim 3··················································· ring base 310 · · · · · · conical recesses 311 · · · · · conical ring wall 312 · · · · · edge 313 · ·····Socket 32·····················································································································································nnc clasp group 321 ···································································· Second electrode unit 51· · Ring electrode part 512······················ Second conductive contact group 521····· Reed 522·················· Two conductive contacts X ·····Axis

Other features and effects of the present invention will be clearly presented in the embodiment with reference to the drawings, in which: FIG. 1 is a perspective view illustrating a conventional fire disclosed in the Patent Case No. I235965 of the Republic of China Patent Detection unit; FIG. 2 is a partial perspective exploded view illustrating an embodiment of the detector of the present invention that is easily and quickly disassembled; FIG. 3 is a perspective exploded view similar to FIG. 2 but viewed from another angle; FIG. 4 is a perspective view illustrating that two ring electrodes are installed in a tapered guide groove of a fixed base in this embodiment; FIG. 5 is an exploded schematic cross-sectional view illustrating that the fixed base is fixed to a The wall surface, and a body unit is separated from the fixing base; FIG. 6 is a cross-sectional view illustrating that a snap hook of the body unit in the embodiment is located on a blocking edge of an outer ring wall at a snap position ; And FIG. 7 is a cross-sectional view similar to FIG. 6, but the buckle is detached from the blocking edge and is in a disengaged position.

2·········Fixed unit 21······Fixed seat 210·····Conical guide groove 211············Inner ring wall 212·······Substrate 213·· ·················· ······································· Notch 218····· 220 ···· Spring piece 221··················································Second contact group 23 1 ·············· Second conductive contact 232····· Terminal bolt 24······Insulation trim 3···································································· 310····· Conical alcove 311···· Conical ring wall 312····· Ring 313·························· 32 ····································Clipset 321····· · Buckle 322···························································································· First electrode unit 41········ Conductive contacts 5······················· Ring electrode 511········ Ring electrode portion 52············· Second conductive contact group 521·· ··· Reed 522····· Guide pin 523····· Second conductive contact X ······Axis

Claims (10)

An easy-to-fast-disassemble detector suitable for installation on a wall, the detector includes: a fixing unit, including a fixing seat, a first contact group, and a second contact group, the fixing base has a surround An axis and an inner ring wall defining a tapered guide groove, and a base plate connected to one end of the inner ring wall and fixed to the wall surface, the first tab set has a base fixed to the base plate and electrically connected to a power source A first conductive tab, the second tab set has a base unit and is electrically connected to the power source and at least one second conductive tab; a body unit is detachably mounted on the fixed base, and includes a ring base, The ring seat has a tapered ring wall surrounding the axis and defining a tapered cavity, the tapered ring wall is aligned with the tapered guide groove; a first electrode unit, including passing through the axis along the axis A first conductive contact of the tapered ring wall that contacts the first conductive tab; and a second electrode unit, including at least a ring disposed in the tapered guide groove and connected to the at least one second conductive tab A ring electrode, and a second conductive contact group passing through the tapered ring wall and contacting the at least one ring electrode. The detector as claimed in claim 1, wherein the base plate of the fixing base has a plate surface opposite to the inner ring wall, and the first tab set further has a first thread through the first axis A conductive pin and a contact bolt connected to the substrate to form an electrically connected contact, and two terminal bolts screwed with the first conductive tab, and the first conductive tab is fixed on the substrate Board surface. The detector of claim 2, wherein the first tab set further has an elastic piece penetrating the tapered guide groove along the axis and fixed to the base plate, and the contact The point bolt passes through the first conductive contact piece and the spring piece along the axis, the spring piece is electrically connected to the contact pin piece, and stretches in a direction opposite to the direction of the substrate, and the area toward one side of the body unit is greater than The contact bolt faces an area of an end surface of the body unit, and is prior to the contact bolt contacting the first conductive contact. The detector of claim 1, wherein the base plate of the fixing base has a plate surface opposite to the inner ring wall, and the second tab set further has A second conductive tab and two connecting bolts connected to the substrate, the at least one second conductive tab has an extension portion passing through the substrate. The detector of claim 1 or 4, wherein the second tab set of the fixing unit has two second conductive tabs, and the second electrode unit includes two ring electrodes, each ring The electrodes are connected to the extensions of the respective second conductive contacts and contact the second conductive contact set. The detector of claim 5, wherein the second conductive contact group has two reeds and two guide bolts, and the two ends of each reed pass through the tapered ring The second conductive contacts are formed on the wall and opposite to the ring electrodes. Each of the guide bolts passes through a separate reed and is screwed with the tapered ring wall. The second conductive contacts are in contact with the ring electrodes. Ring electrode. The detector with easy disassembly and assembly as described in claim 5, which is used to electrically connect four wires of input and output power, wherein the fixing unit further includes an insulating trim plate covering the base plate of the fixing base, and the The base plate has two openings through which the power supply line passes, and the insulating decorative plate has two openings corresponding to the openings and also through which the power supply line passes. The detector of claim 5, wherein each ring electrode has a ring electrode portion surrounding the tapered ring wall, and extends in a direction perpendicular to the axis and connects the ring electrode portion and each A connecting portion of the second conductive tab. The detector of claim 8, wherein the fixing unit further includes at least two side plates extending parallel to the axis and connecting the inner ring wall and the base plate, and the inner ring wall has At least two notches extending toward one end of the substrate toward the substrate and adjacent to the side plates, after the connection portion of each ring electrode passes the corresponding notch, the extension of each conductive tab is fixed to the corresponding side plate . The detector of claim 1, wherein the fixing seat of the fixing unit further has an outer ring wall surrounding the inner ring wall and connected to the base plate, the outer ring wall having an inner surface formed A blocking edge, the body unit further includes a number of snap sets, and the ring seat also has a ring edge surrounding the tapered ring wall and the outer ring wall of the fixing seat, the ring edge has a number of sockets, Each buckle group has a buckle and an elastic element, the buckle is disposed on the ring seat and is displaced between a buckling position and a detached position relative to the tapered ring wall in a direction perpendicular to the axis, and has a through A pressing part through each socket, and a barb for hooking the stop edge, when in the buckle position, the barb hook of the buckle is buckled on the stop edge of the outer ring wall, at When in the disengaged position, the hook of the buckle is detached from the stop edge of the outer ring wall, the elastic element is disposed between the buckle and the tapered ring wall, and the position where the buckle is located at the buckle position is constantly generated One bias.

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