CN111356311A - Detector with easy and quick disassembly - Google Patents

Abstract

A detector easy to disassemble and assemble quickly comprises a fixing unit fixed on a wall surface, a body unit installed on the fixing unit, a first electrode unit and a second electrode unit. The fixing unit comprises a fixing seat and a connecting piece group which is arranged on the fixing seat and electrically connected with the power supply. The fixing seat is provided with an inner ring wall which defines a conical guide groove. The body unit includes a ring seat. The ring seat has a conical ring wall. The conical ring wall is matched with the conical guide groove. The first electrode unit has a first conductive contact penetrating through the conical annular wall and contacting the contact patch set. The second electrode unit is provided with at least one annular electrode which is arranged in the conical guide groove and connected with the contact group, and at least one second conductive contact group which penetrates through the conical annular wall and contacts with the at least one annular electrode. Therefore, the electrical connection is maintained by the involution relation between the conical ring wall and the conical guide groove, and the convenience and the simplicity during assembly are improved.

Description

Detector with easy and quick disassembly

technical field

The present invention relates to a detector, in particular to a detector that is easy and quick to disassemble and assemble.

Background technique

Referring to FIG. 1 , taking a conventional fire detection unit 1 disclosed in Taiwan Patent No. I235965 as an example, it mainly includes a support 11 fixed on a wall surface, which is opposite to the support 11 A base 12 assembled together, a circuit board 13 mounted on the support 11 and connected to a power source, and a terminal point 14 and two ground terminals 15 formed on the base 12 .

During assembly, the support 11 is pre-fixed on the wall 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 points must be aligned 14. The ground terminal 15 can turn on the circuit.

However, since the base 12 is combined with the support 11 after the support 11 is fixed, the time and difficulty during installation will increase due to the aforementioned alignment problem during the combination. And it is easy to have poor contact after the abutment, because the interior cannot be seen, or the abutment position of the base 12 and the support 11 is slightly deviated.

SUMMARY OF THE INVENTION

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

The detector with easy and quick disassembly of the present invention is suitable for being installed on a wall surface, and the detector comprises: a fixing unit, a main body unit, a first electrode unit, and a second electrode unit.

The fixing unit includes a fixing seat, a first connecting piece group, and a second connecting piece group, the fixing seat has a base plate fixed on the wall surface, and the first connecting piece set has a base plate fixed on the base plate and is electrically connected The first conductive contact piece of the power supply, and the second contact piece group has at least one second conductive contact piece fixed on the substrate and electrically connected to the power supply.

The body unit is detachably mounted on the fixing seat and includes a ring seat.

The fixing seat of the fixing unit also has an inner ring wall surrounding the axis and defining a conical guide groove, and the base plate is connected to one end of the inner ring wall.

The ring seat of the body unit has a tapered ring wall surrounding the axis and defining a tapered recess, the tapered ring wall being matched with the tapered guide groove.

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

The second electrode unit includes at least one annular electrode ring-shaped in the tapered guide groove and connected to the at least one second conductive tab, and passes through the tapered ring wall and contacts the at least one The second conductive contact group of the ring electrode.

In the detector for easy and quick disassembly and assembly of the present invention, the base plate of the fixed seat has a plate surface opposite to the inner ring wall, and the first contact piece group also has a first conductive contact piece passing through the axis along the axis. A contact bolt that is connected to the substrate to form an electrical connection point, and two connection bolts that are screwed with the first conductive tab, and the first conductive tab is fixed on the board of the substrate noodle.

In the detector of the present invention, which is easy and quick to disassemble and assemble, the first contact plate group further has an elastic plate which is inserted into the tapered guide groove along the axis and fixed on the base plate, and the contact bolts Passing through the first conductive contact piece and the elastic piece along the axis, the elastic piece is electrically connected to the contact bolt, and is elastically stretched against the direction of the substrate, and faces one side of the main body unit The area of the contact bolt is larger than the area of the end face of the contact bolt facing the body unit, and is in contact with the first conductive contact prior to the contact bolt.

In the detector for easy and quick disassembly and assembly of the present invention, the base plate of the fixing base has a plate surface opposite to the inner ring wall, and the second contact piece group also has a surface passing through the at least one first plate along the axis direction. Two conductive tabs are connected to the substrate with two connection bolts, and the at least one second conductive tab has an extension passing through the substrate.

In the detector of the present invention that is easy and quick to disassemble and assemble, the second contact group of the fixing unit has two second conductive contacts, and the second electrode unit includes two ring electrodes, each ring electrode is connected to its own The extension portion of the second conductive contact piece contacts the second conductive contact point group.

According to the detector of the present invention, which is easy and quick to disassemble and assemble, the second conductive contact group has two reeds and two guide bolts, and the two ends of each reed pass through the conical ring wall and Two second conductive contacts are formed opposite to the annular electrode, each conductive bolt passes through its respective spring and is screwed with the conical annular wall, and the second conductive contacts are in contact with the annular electrode.

The detector of the present invention that is easy and quick to disassemble and assemble is used for electrically connecting the wires of the input and output power sources, the fixing unit further comprises an insulating decorative plate covering the base plate of the fixing seat, and the base plate has a power supply wire passing through the base plate. There are two openings in the insulating trim board, which correspond to the openings and through which the power supply lines also pass.

In the detector of the present invention, which is easy and quick to disassemble and assemble, each ring electrode has a ring electrode part surrounding the conical ring wall, and extending along the direction perpendicular to the axis and connecting the ring electrode part and the respective second conductive contacts the connection part of the piece.

In the detector for easy and quick disassembly and assembly of the present invention, the fixing unit further includes at least two side plates extending in a direction parallel to the axis and connecting the inner ring wall and the base plate, and the inner ring wall has a One end of the base plate opposite to the base plate extends toward the base plate and is adjacent to at least two notches of the side plate. The extension is fixed to the corresponding side plate.

In the detector for easy and quick disassembly and assembly of the present invention, the fixing seat of the fixing unit further has an outer annular wall surrounding the inner annular wall and connected to the base plate, and the outer annular wall has a stopper formed on the inner surface of the outer annular wall. The main body unit further includes a plurality of buckle groups, and the ring seat further has a ring surrounding the tapered ring wall and abutting with the outer ring wall of the fixing seat. a socket, each buckle group has a buckle, and an elastic element, the buckle is arranged on the ring seat and is displaced between the buckle position and the disengagement position relative to the tapered ring wall along the direction perpendicular to the axis, It also has a pressing part that passes through the respective sockets, and a barb for hooking the blocking edge. When the hook is in the snap position, the barb hook of the snap snaps against the stop of the outer ring wall. On the edge, in the disengaged position, the barb of the buckle is separated from the blocking edge of the outer ring wall, the elastic element is arranged between the buckle and the tapered ring wall, and is constantly generated A biasing force for the snap to be in the snap position.

The beneficial effects of the present invention are: maintaining electrical connection, and lifting the Convenience and ease of assembly.

Description of drawings

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein:

1 is a perspective view illustrating a conventional fire detection unit disclosed in Taiwan Patent No. I235965;

Fig. 2 is a partial perspective exploded view illustrating an embodiment of the detector of the present invention that can be easily and quickly disassembled;

Figure 3 is an exploded perspective view similar to Figure 2, but viewed from another angle;

FIG. 4 is a perspective view illustrating the installation of two ring electrodes in a tapered guide groove of a holder in the embodiment;

5 is a schematic exploded cross-sectional view, illustrating that in the embodiment, the fixing base is fixed to a wall surface, and a main body unit is separated from the fixing base;

6 is a cross-sectional view illustrating a snap hook of the main body unit in a snap position on a stop edge of an outer ring wall in the embodiment; and

Figure 7 is a sectional view similar to Figure 6, but with the catch disengaged from the stop edge and in a disengaged position.

Detailed ways

Referring to FIG. 2 , FIG. 3 and FIG. 4 , an embodiment of the easily and quickly disassembled detector of the present invention includes a fixing unit 2 , a main 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 contact group 22 , a second contact group 23 , and an insulating decorative plate 24 .

The fixing seat 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 connected An outer ring wall 213 of the base plate 212 and four side plates 214 extending along the direction parallel to the axis X and connecting the inner ring wall 211 and the base plate 212 . The base plate 212 has a plate surface 215 opposite to the inner ring wall 211 , and two openings 216 through which power lines (not shown) pass. 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 plate 214 . The outer ring wall 213 has a stop edge 218 formed on an inner surface adjacent to an end opposite to the base plate 212 .

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

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 along the axis X direction. The conductive tabs 231 are screwed with the base plate 212 to electrically connect the two connection bolts 232 of the electric wires. Each of the second conductive tabs 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), which is covered on the surface 215 of the base plate 212 of the fixing seat 21 and has two through holes corresponding to the openings 216 and through which the power lines are also passed. 241.

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

The ring seat 31 has a tapered ring wall 311 surrounding the axis X and defining a tapered recess 310 (as shown in FIG. 5 ), and a tapered ring wall 311 surrounding the tapered ring wall 311 and being connected to the fixing seat 21 . One ring edge 312 of the outer ring wall 213 is abutted. The conical recess 310 is used to install electronic components such as detection elements (eg, smoke detection elements, not shown), circuit boards (not shown). The tapered ring wall 311 is aligned with the tapered guide groove 210 . The rim 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 seat 31 and is displaced relative to the tapered ring wall 311 along the direction perpendicular to the axis X between a buckle position (as shown in FIG. 6 ) and a disengagement position (as shown in FIG. 7 ). In the latching position, the latch 321 is hooked on the blocking edge 218 of the outer ring wall 213 , and in the disengagement position, the latch 321 is disengaged from the stop of the outer ring wall 213 . Stop edge 218. Each buckle 321 has a pressing portion 323 passing through the 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 for the buckle 321 to be located at the buckle 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 contact 221 . In this embodiment, the first conductive contact 41 is formed by the head of a plug.

Referring to FIG. 2 , FIG. 3 and FIG. 5 , the second electrode unit 5 has two annular electrodes 51 ring-shaped in the tapered guide groove 210 and connected to the second conductive tabs 231 , and through The tapered ring wall 311 contacts a second conductive contact group 52 of the ring electrode 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 annular electrode portion 511 and the extending portion 233 of the respective second conductive tabs 231 through the corresponding recess 217 of the fixing seat 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 . Two ends of each reed 521 pass through the tapered ring wall 311 and form two second conductive contacts 523 opposite to the ring electrode 51 . Each of the guide bolts 522 passes through the respective springs 521 and is screwed with the tapered ring wall 311 . The second conductive contact 523 and the first conductive contact 41 are electrically connected to electronic components such as a front detection element (eg, 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 connecting bolts 232 and the connecting bolts 223 of the first tab group 22 is not limited to two, in this embodiment In other variations of , it can also be one. When the number of the ring electrodes 51 , the second conductive tabs 231 , the connecting bolts 232 and the connecting bolts 223 of the first tab group 22 is two, they are respectively used for guiding the power to enter. The positive and negative wires (not shown in the figure) are electrically connected to one of the connection bolts 223 of the first contact group 22 and one of the connection bolts 232 of the second contact group 23 , and for guiding the power The positive and negative wires (not shown) that form a series circuit with the next detector are electrically connected to another connection bolt 223 of the first contact group 22 , and are connected to the second contact group 23 . Another terminal block 232 . When the number of the ring electrodes 51 , the second conductive tabs 231 and the wiring portions 223 of the first conductive tabs 221 is one, only the positive and negative wires (not shown in the figure) are used to guide the power supply. Electrically connected to the wiring bolts 223 of the first contact group 22 and the wiring bolts 232 of the second contact group 23 .

Referring to FIG. 3 , FIG. 5 and FIG. 6 , when assembling, it is only necessary to electrically connect wires between the wiring bolts 232 of the second contact group 23 and the wiring bolts 223 of the first contact group 22 . By fixing the base plate 212 of the fixing base 21 on a wall surface (such as a ceiling), the body unit 3 can be pushed towards the fixing base 31 in any direction. The tapered ring wall 311 of the 31 will follow the tapered guide groove 210 of the fixing seat 21 for displacement, and automatically guide to the position of the axis X, and the buckle 321 of the buckle group 32 will be moved by the The blocking edge 218 of the fixed seat 21 is pushed and can be displaced in the direction of the tapered ring wall 311 without affecting the movement of the ring seat 31 until the ring seat 31 and the fixed seat 21 are opposite to each other. After being closed, the buckle 321 is subjected to the biasing force of the elastic element 322, and will be buckled on the blocking edge 218 of the fixing seat 21 and located at the buckle position, so that the main body unit 3 and the The fixed seat 21 is combined.

In the process of combining the main body unit 3 with the fixing seat 21 , the first conductive contact 41 of the first electrode unit 4 will first come into contact with the large-area elastic piece 220 , and then be guided to be positioned on the The first conductive contact 41 of the first electrode unit 4 on the axis X will directly contact the contact bolt 222 on the axis X position to form an electrical connection state, and the second electrode unit 5 The second conductive contact 523 will directly contact any part of the ring electrode portion 511 of the ring electrode 51 , and through the connection between the connection portion 512 and the extension portion 233 of the second conductive contact piece 231 , it is connected to the ring electrode 511 . The second conductive tabs 231 are electrically connected to complete the assembly.

It should be noted that because the area of the elastic sheet 220 is relatively large, even if the first conductive contact 41 is not aligned with the contact bolt 222 , it can pass through the elastic sheet after contacting with the elastic sheet 220 . 220 is electrically connected to the contact bolt 222 .

Referring to FIG. 7 , when the main body unit 3 is to be disassembled, it is only necessary to push the buckles 321 of the buckle group 32 from the buckled position to the disengaged position from the blocking edge 218 of the fixing seat 21 . , the main body unit 3 can be separated from the fixing seat 21 .

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

1. The present invention can not only automatically guide the position of the main body unit 3, but also make the The contact bolt 222 at the position of the axis X is automatically aligned with the first conductive contact 41, thereby saving installation time and improving the accuracy of alignment.

2. In the present invention, through the arrangement of the ring electrode 51, the second conductive contact 523 can be in contact with any part of the ring electrode part 511 of the ring electrode 51 without directivity restriction, It further improves the convenience of installation and the accuracy of alignment.

3. Furthermore, with the buckling relationship between the buckling group 32 and the fixing seat 21, the fixing seat 21 and the main body unit 3 are combined, which is not only easy to use and operate, but also cooperates with the aforementioned tapered guide groove 210. The matching relationship with the aforementioned conical ring wall 311 enables the present invention to disassemble and install the main body unit 3 in a straight-up and straight-down manner, so as to achieve the purpose of easy disassembly and assembly.

4. Combining the automatic alignment function 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 contact 523, and the snap group 32 and the fixing The buckle relationship of the seat 21 allows the user to easily disassemble and install the main body unit 3 by pushing the pusher from the bottom to the top, so that the user can install the main body unit 3 at a low position to avoid high-altitude operation. Danger.

The above are only examples of the present invention, and should not limit the scope of implementation of the present invention, that is, any simple equivalent changes and modifications made according to the claims of the present invention and the contents of the description still belong to the present invention. scope of invention.

Claims (10)

1. A detector that is easy and quick to disassemble and assemble, suitable for being installed on a wall, the detector comprising: The fixing unit includes a fixing seat, a first connecting piece group, and a second connecting piece group. The fixing seat has a base plate fixed on the wall surface, and the first connecting piece set has a base plate fixed on the base plate and is electrically connected to a power source the first conductive contact piece, the second contact piece group has at least one second conductive contact piece fixed on the substrate and electrically connected to the power supply; a body unit, which is detachably mounted on the fixing seat and includes a ring seat; It is characterized by: The fixing seat of the fixing unit also has an inner ring wall surrounding the axis and defining a tapered guide groove, and the base plate is connected to one end of the inner ring wall; The ring seat of the body unit has a tapered ring wall surrounding the axis and defining a tapered recess, and the tapered ring wall is matched with the tapered guide groove; The detector also includes: a first electrode unit including a first conductive contact passing through the tapered ring wall along the axis and contacting the first conductive tab; and The second electrode unit includes at least one annular electrode ring-shaped in the tapered guide groove and connected to the at least one second conductive tab, passing through the tapered ring wall and contacting the at least one annular electrode A second set of conductive contacts for the electrodes. 2 . The detector according to claim 1 , wherein the base plate of the fixing seat has a plate surface opposite to the inner ring wall, and the first contact piece group also has a surface along the inner ring wall. 3 . A contact bolt whose axis passes through the first conductive tab and is connected to the substrate to form an electrical connection point, and two connection bolts screwed with the first conductive tab, and the first The conductive tabs are fixed on the board surface of the substrate. 3 . The detector according to claim 2 , wherein the first contact plate group further has a guide groove that is inserted into the tapered guide groove along the axis and fixed on the The elastic piece of the base plate, and the contact bolt passes through the first conductive contact piece and the elastic piece along the axis, the elastic piece is electrically connected to the contact bolt and springs against the direction of the base plate , and the area of one side surface facing the main body unit is larger than the area of one end surface of the contact bolt facing the main body unit, and is in contact with the first conductive contact prior to the contact bolt. 4 . The detector according to claim 1 , wherein the base plate of the fixing seat has a plate surface opposite to the inner ring wall, and the second contact piece group further has a surface along the The axial direction passes through the at least one second conductive tab and is connected to two wire bolts connected to the substrate, and the at least one second conductive tab has an extension portion passing through the substrate. 5. The detector according to claim 1 or 4, wherein the second contact piece group of the fixing unit has two second conductive contact pieces, and the second electrode unit comprises Two ring electrodes, each ring electrode is connected to the extension part of the respective second conductive contact piece, and contacts the second conductive contact point group. 6 . The detector according to claim 5 , wherein the second conductive contact group has two reeds and two guide bolts, the two ends of each reed have two ends. 7 . The part penetrates the tapered ring wall and forms two second conductive contacts relative to the ring electrode. Two conductive contacts are in contact with the ring electrodes. 7 . The detector according to claim 5 , which is used to electrically connect four wires of input and output power sources, wherein the fixing unit further comprises an insulation covering the base plate of the fixing seat. 8 . and the base plate has two openings through which the power supply lines pass, and the insulating decoration board has two through openings corresponding to the openings and through which the power supply lines also pass. 8 . The detector according to claim 5 , wherein each ring electrode has a ring electrode portion surrounding the tapered ring wall, and extending in a direction perpendicular to the axis and connecting the The connection part of the ring electrode part and the respective second conductive tabs. 9 . The detector according to claim 8 , wherein the fixing unit further comprises at least two sides extending in a direction parallel to the axis and connecting the inner ring wall and the base plate. 10 . plate, and the inner ring wall has at least two grooves extending from the end opposite to the base plate toward the base plate and adjacent to the side plate, and the connection part of each ring electrode passes through the corresponding groove , and the extension portion of each second conductive tab is fixed on the corresponding side plate. 10 . The detector according to 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, and the outer ring The wall has a blocking edge formed on its inner surface, the body unit further includes a plurality of snap groups, and the ring seat also has a ring surrounding the tapered ring wall and matching with the outer ring wall of the fixing seat The ring edge has a plurality of sockets, each buckle group has a buckle, and an elastic element, the buckle is arranged on the ring seat and is opposite to the tapered ring wall along the direction perpendicular to the axis Displaces between the buckled position and the disengaged position, and has a pressing portion passing through the respective sockets, and a barb for hooking the stop edge. In the buckled position, the barb hook of the buckle is Buckle on the stop edge of the outer ring wall, in the disengaged position, the barb of the buckle is separated from the stop edge of the outer ring wall, and the elastic element is arranged between the buckle and the stop edge. between the conical ring walls, and constantly generate a biasing force that keeps the buckle at the buckle position.

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