TWI550563B - Easy to disassemble the detector - Google Patents

Description

Easy to disassemble detector

The present invention relates to a detector, and more particularly to an easily removable detector.

A general fire detector includes a fixed seat and a movable seat rotatably and detachably fixed to the fixed seat. When the movable seat is to be removed, a staff member can use a commercially available disassembler to perform the demolition work on the ground. There is no need to climb to a high place. However, the metal components combined with the fixed seat and the movable seat are often rusted due to long-term use, which causes a problem of being difficult to disassemble. At this time, the effect of using the disassembler is not good, and the staff still Climb to a height and remove it directly by hand or using a hand tool (eg pliers).

The Republic of China New Patent Publication No. 279531 discloses an improved structure of a fire alarm sensor comprising a fire automatic sensing component, a connection cover, a base and a plurality of conductive sheets, wherein the fire automatic sensing element is provided with two conductive bars, the base being provided with Two corresponding to the conductive rod slots of the conductive bars, and a plurality of locking pieces respectively disposed in the conductive rod slots.

The fire automatic sensing component can be inserted into the conductive rod slots through the conductive rods and fixed to the base through the locking pieces to achieve a quick installation effect, but the structure has a direction in the installation. Sexual restrictions, the staff must align the conductive rods to the conductive rod slots to be installed smoothly. If the height of the ceiling provided for the base is high, the difficulty and danger of the work of the staff are further improved.

Accordingly, it is an object of the present invention to provide an easily removable detector that saves operating time and has no directional restrictions.

Therefore, the easily disassembled detector of the present invention comprises a fixing base, a movable seat detachably mounted to the fixing base, an electrode unit and a quick release unit.

The fixing base comprises a base wall and a plurality of hanging blocks disposed on the base wall.

Each hanging block has a first triggering portion away from the base wall, a secondary triggering portion adjacent to the base wall, and a positioning surface interposed between the primary triggering portion and the secondary triggering portion.

The electrode unit comprises two annular electrode groups disposed around the base wall, and two contact electrodes spaced apart from the top surface of the movable seat.

The quick release unit includes a plurality of bonding blocks movably disposed on the top surface of the movable seat.

Each of the joint blocks has a connecting portion that is connected to the movable seat, a hook portion that extends upward from the connecting portion, and a guiding portion that is located above the hook portion.

The binding blocks are switchable between a locked state, a short slipping state, a long slipping state, and a released state, when the movable seat carries the bonding blocks in the locked state toward the fixed seat for the first time. Moving, the guiding portions of the binding blocks are respectively pushed by the first triggering portion of the hanging blocks, and are returned to the locked state via the short slipping state, and the hooking portions of the bonding blocks are respectively set in the locking portion And the positioning surface of the hanging block is mounted on the fixing base, and the contact electrodes are electrically connected to the ring electrode groups respectively, and when the movable seat moves again toward the fixing seat, the guiding blocks are guided The portions are respectively pushed by the secondary triggering portions of the hanging blocks, and continue to reach the released state via the long slipping state, and the hook portions of the bonding blocks are respectively separated from the positioning surfaces of the hanging blocks, so that the The movable seat can be moved away from and away from the fixed seat.

The utility model has the advantages that: by providing the hanging blocks and the binding blocks, the movable seat is installed in the fixing seat without directional restriction, and has the advantages of easy disassembly and assembly, and is provided by The ring electrode group is arranged such that each contact electrode is inserted at any position of the corresponding ring electrode group to conduct electricity, and the effect of easy installation is also achieved.

Referring to FIG. 1 to FIG. 4, an embodiment of the detachable detector of the present invention comprises a fixing base 2, a movable seat 3 detachably mounted on the fixing base 2, an electrode unit 4, and a quick release unit. 5, and a fire sensing component (not shown) disposed in the movable seat 3.

The fixing base 2 includes a base wall 21 having a through hole 211 penetrating through the center, a plurality of hanging blocks 22 disposed on the base wall 21, and a plurality of wire grooves 23.

Each of the hanging blocks 22 has a first triggering portion 221 away from the base wall 21, a secondary triggering portion 222 adjacent to the base wall 21, and a first triggering portion 221 and the secondary triggering portion 222. Positioning surface 223.

The secondary triggering portions 222 of the hanging blocks 22 collectively define a cylindrical disk portion 24, and the primary triggering portions 221 of the hanging blocks 22 collectively define a cylindrical shape and an outer diameter smaller than the large disk portion 24. The small disk portion 25, and the positioning surface 223 of the hanging block 22 is located on the top ring surface of the small disk portion 25.

The wire slots 23 are formed in the small disk portion 25 and the large disk portion 24 and communicate with the through holes 211. The power supply wires (not shown) pass through the through holes 211 and pass through the wire grooves 23.

The electrode unit 4 includes two annular electrode groups 41 disposed around the base wall 21 of the fixed base 2, two contact electrodes 42 spaced apart from the top surface of the movable base 3, four conductive sheets 43 and three insulating pads 44. In this embodiment, the tops of the contact electrodes 42 are conical, but are not limited thereto.

Each of the ring-shaped electrode groups 41 has two annular electrodes 411 spaced around the through-holes 211. The conductive sheets 43 are respectively disposed on the ring-shaped electrodes 411 and are connected to wires (not shown). The insulating pads 44 are respectively disposed. Below the conductive sheets 43 of the three ring electrodes 411 of the outer ring, the conductive sheets 43 are prevented from contacting the adjacent ring electrodes 411.

The quick release unit 5 includes two pivoting blocks 51 spaced apart from the top surface of the movable base 3, two coupling blocks 52 respectively pivotally mounted on the pivoting seats 51, and two disposed on the top surface of the movable base 3 and respectively The elastic members 53 of the bonding blocks 52 are connected.

Each of the joint blocks 52 has a connecting portion 521 pivoted on the corresponding pivoting seat 51, a hook portion 522 extending upward from the connecting portion 521, and a guiding portion located above the hook portion 522. 523.

The connecting portion 521 of each binding block 52 has a cam surface 524 around its pivoting point. The cam surface 524 has a turning portion 525 farthest from the pivoting point and a front end on the side of the turning portion 525. The section 526 and a rear abutment section 527 on the other side of the turning section 525.

Each of the elastic members 53 has a fixing portion 531 fixed to the top surface of the movable seat 3, and an elastic portion 532 extending from the fixing portion 531 and abutting against the connecting portion 521 of the corresponding coupling block 52.

In the present embodiment, the elastic members 53 are respectively a metal elastic piece, and the fixing segments 531 are integrally connected, but not limited thereto, and may be separately provided. Further, the elastic members 53 may be separately provided. Alternatively, each of the two ends may be respectively fixed to the top surface of the movable seat 3 and the corresponding tension spring of the joint block 52.

There are many types of fire sensing elements, such as a smoke detector type, a heat detector type, etc., but the technical features of the present invention are not affected by the present invention, and are not described herein.

The binding blocks 52 are drivable to switch positions between a locked state, a short slip state, a long slip state, and a released state.

Referring to FIG. 6, the movable seat 3 is not yet mounted on the fixed seat 2, and when the movable seat 3 is first moved toward the fixed seat 2 with the binding blocks 52 in the locked state, the guiding blocks 52 are guided. The portions 523 are respectively pushed by the primary triggering portion 221 of the hanging blocks 22, enter the short slipping state, and slightly swing in a direction away from the hanging blocks 22, so that the turning segments 525 of the binding blocks 52 are respectively Pressing the elastic segments 532 of the elastic members 53 during the short slipping state, the elastic deformation of the elastic segments 532 of the elastic members 53 is increased but not the maximum amount of deformation, and each elastic The segment 532 provides an elastic restoring force to the corresponding coupling block 52. As shown in FIG. 4 and FIG. 7, the bonding block 52 is swung back to the locked state via the short slip state, and the front of the bonding block 52 is The abutting segments 526 are respectively abutted against the elastic segments 532 of the elastic members 53 . The hook portions 522 of the coupling blocks 52 are respectively hooked on the positioning surfaces 223 of the hanging blocks 22 . That is, it is mounted on the fixing base 2, and each contact electrode 42 is interposed between two adjacent ring electrodes 411. The external circuit is electrically connected to the fire sensor element.

It is worth mentioning that the contact electrodes 42 can be respectively inserted in different positions of the ring electrode groups 41. As shown in FIG. 5, the movable seat 3 can be rotated by an angle α and then the contact electrodes 42 can be inserted. In the ring electrode group 41, or by rotating a β angle, the movable seat 3 can be combined with the fixed seat 2 without directional restriction, thereby saving installation time. Moreover, the conductive sheets 43 are also The conductive wall 43 may be disposed on the base wall 21 of the fixed base 2 or may be embedded in the base wall 21 to reduce the contact electrodes 42 being inserted into the ring electrode groups 41 at different positions. interference.

Referring to FIG. 8 , when the movable seat 3 is moved toward the fixed seat 2 , the hooking portions 522 of the connecting blocks 52 are respectively separated from the positioning surfaces 223 of the hanging blocks 22 , and the guiding blocks 52 are guided. The portions 523 are respectively pushed by the secondary triggering portion 222 of the hanging blocks 22, enter the long-slip state, and are greatly swung away from the hanging blocks 22.

When the binding blocks 52 are in the long-slip state, the elastic deformation of the elastic segments 532 of the elastic members 53 is increased by a maximum amount of deformation, and when the elastic deformation of the elastic segments 532 reaches the maximum deformation amount. The turning segments 525 respectively abut against the elastic segments 532. When the movable seat 3 moves slightly toward the fixing base 2, as shown in FIG. 9, each elastic segment 532 provides an elastic restoring force to the corresponding one. The binding block 52 is slid to the release state by the end of the long slip state. At this time, the hook portions 522 of the bonding blocks 52 are respectively separated from the positioning surfaces 223 of the hanging blocks 22 . And the rear abutting segments 527 respectively abut against the elastic segments 532 to enable the movable seat 3 to move away from and away from the fixed seat 2.

When the actual disassembly and assembly, the worker can use a disassembler 9 (see FIG. 4), the disassembler 9 includes a grip 91 and a cup 92 disposed at the top end of the grip 91, to mount the movable seat 3 When the fixing base 2 is reached, the movable seat 3 is placed on the cup body 92, and the holding rod 91 is lifted. After the binding blocks 52 are aligned with the hanging blocks 22, the grip 91 is moved upward. The binding blocks 52 are brought into the locked state from the short slip state, that is, the installation procedure is completed.

When the movable seat 3 is to be disassembled, the staff only needs to lift the grip 91 so that the cup 92 covers the movable seat 3, and similarly moves the grip 91 upward to drive the binding blocks 52. The long slip state enters the release state, and the movable seat 3 is disengaged from the fixed seat 2, that is, the disassembly procedure is completed.

Through the above description, the advantages of the present invention can be summarized as follows:

1. By arranging the hanging blocks 22 and the binding blocks 52, the movable seat 3 can be disassembled in a straight-up or straight-down manner, thereby saving operation time, and since the hanging blocks 22 surround the through holes 211 Therefore, the movable seat 3 has no directional restriction during the disassembly and assembly process, and the effect of easy disassembly and assembly is achieved.

2. By providing the ring electrode groups 41, during the disassembly and assembly process, as long as each contact electrode 42 is inserted at any position of the corresponding ring electrode group 41, the external circuit can be The fire sensing element is electrically connected to achieve non-directional restriction and easy disassembly.

3. By providing the elastic members 53, the binding blocks 52 can be swung back to the locked state by the short slip state, and the structural stability in the locked state can be improved, if the hanging blocks are matched. When the secondary triggering portion 222 of the 22 pushes the coupling blocks 52, the coupling blocks 52 can be swung from the long slipping state to the released state, and the effect of easy attachment and detachment can be achieved.

It is worth mentioning that the staff can also manually install and disassemble the movable seat 3 in a straight, straight down motion, so that the same effect can be achieved.

In summary, the present invention has the advantages of no directionality during the process of attaching the movable base 3 to the fixed base 2 by providing the hanging block 22 and the connecting blocks 52, and has the advantages of easy disassembly and assembly. By providing the ring electrode groups 41, each contact electrode 42 is inserted into any corresponding portion of the ring electrode group 41 to conduct electricity, and the effect of easy disassembly and assembly is also achieved, so that the present invention can be achieved. purpose.

However, the above is only the embodiment of the present invention, and the scope of the invention is not limited thereto, and all the equivalent equivalent changes and modifications according to the scope of the patent application and the patent specification of the present invention are still The scope of the invention is covered.

2‧‧‧ Fixed seat
21‧‧‧ base wall
211‧‧‧through hole
22‧‧‧ hanging block
221‧‧‧One trigger
222‧‧‧Secondary trigger
223‧‧‧ positioning surface
23‧‧‧ wire trough
24‧‧‧ Large Department
25‧‧‧ Small Department
3‧‧‧ activity seat
4‧‧‧Electrode unit
41‧‧‧ ring electrode group
411‧‧‧ ring electrode
42‧‧‧Contact electrode
43‧‧‧Conductor
44‧‧‧Insulation mat
5‧‧‧Quick release unit
51‧‧‧ pivoting seat
52‧‧‧Combined blocks
521‧‧‧Connecting Department
522‧‧‧hook
523‧‧‧Guide
524‧‧‧ cam surface
525‧‧‧ turning section
526‧‧‧After the arrival
527‧‧‧After the paragraph
53‧‧‧Flexible components
531‧‧‧ fixed section
532‧‧‧Flexible section
9‧‧‧ Disassembler
91‧‧‧ Grip
92‧‧‧ cup body

Other features and advantages of the present invention will be apparent from the embodiments of the present invention, wherein: FIG. 1 is a perspective view illustrating an embodiment of the detachable detector of the present invention; FIG. 2 is a perspective view. FIG. 3 is an exploded perspective view showing a movable seat of the embodiment; FIG. 4 is a partial cross-sectional view showing the complex joint block of the embodiment in a locked state; FIG. The figure shows that the two contact electrodes of one of the electrode units of the embodiment are respectively inserted at different positions of the two ring electrode groups; FIG. 6 is a partial cross-sectional enlarged view showing that the bonding blocks are in a short slip state; Is a partial cross-sectional enlarged view showing that the bonding blocks are in the locked state; FIG. 8 is an enlarged partial cross-sectional view showing the bonding blocks in a long slip state; and FIG. 9 is a partial cross-sectional enlarged view , indicating that the bonding blocks are in a released state.

2‧‧‧ Fixed seat

21‧‧‧ base wall

211‧‧‧through hole

22‧‧‧ hanging block

221‧‧‧One trigger

222‧‧‧Secondary trigger

223‧‧‧ positioning surface

5‧‧‧Quick unit

51‧‧‧ pivoting seat

52‧‧‧Combined blocks

521‧‧‧Connecting Department

522‧‧‧hook

523‧‧‧Guide

524‧‧‧ cam surface

23‧‧‧ wire trough

24‧‧‧ Large Department

25‧‧‧ Small Department

3‧‧‧ activity seat

4‧‧‧Electrode unit

41‧‧‧ ring electrode group

411‧‧‧ ring electrode

42‧‧‧Contact electrode

43‧‧‧Conductor

44‧‧‧Insulation mat

525‧‧‧ turning section

526‧‧‧After the arrival

527‧‧‧After the paragraph

53‧‧‧Flexible components

531‧‧‧ fixed section

532‧‧‧Flexible section

9‧‧‧ Disassembler

91‧‧‧ Grip

92‧‧‧ cup body

Claims (10)

An easy-to-detach detector includes: a fixing base comprising a base wall and a plurality of hanging blocks disposed on the base wall, each hanging block having a first trigger portion away from the base wall and adjacent to the base a secondary triggering portion of the wall, and a positioning surface between the primary triggering portion and the secondary triggering portion; a movable seat detachably mounted to the fixing base; an electrode unit comprising two surrounding members disposed on the base a ring electrode group of the wall, and two contact electrodes disposed on the top surface of the movable seat; and a quick release unit comprising a plurality of bonding blocks movably disposed on the top surface of the movable seat, each bonding block having an interface a connecting portion of the movable seat, a hook portion extending upward from the connecting portion, and a guiding portion located above the hook portion; the connecting blocks can be in a locked state, a short slipping state, and a length a shifting position between the slipping state and a release state, wherein when the movable seat first moves toward the fixed seat with the binding blocks in the locked state, the guiding portions of the connecting blocks are respectively subjected to the hanging blocks One trigger pushes, but via The short slip state returns to the locked state, and the hook portions of the joint blocks are respectively hooked on the positioning faces of the hanging blocks, so that the movable seat is mounted on the fixed seat and the contact electrodes are electrically connected respectively. a ring electrode group, when the movable seat moves again toward the fixed seat, the guiding portions of the connecting blocks are respectively pushed by the secondary triggering portion of the hanging block, and the release is continued through the long slipping state In a state, the hook portions of the joint blocks are respectively separated from the positioning faces of the hanging blocks, so that the movable seat can be separated from and away from the fixed seat. The detachable detector of claim 1, wherein the connecting portions of the bonding blocks are respectively pivotally disposed on the movable top surface, and the binding blocks are in the locked state, the short slipping state, and the length The slip state and the swing state between the release states. The detachable detector of claim 2, wherein the quick release unit further comprises a plurality of elastic members disposed on the movable seat and respectively connected to the binding blocks, each elastic element providing a corresponding binding block The elastic restoring force that is swung back to the locked state by the short slip state also provides an elastic restoring force that is swung from the end of the long slip state to the released state. The detachable detector according to claim 3, wherein each of the elastic members has a fixing portion locked to the top surface of the movable seat, and a portion extending from the fixing portion and abutting against the corresponding combination An elastic section of the connecting portion of the block, the connecting portion of each bonding block has a cam surface around the pivoting point thereof, the cam mask has a turning section farthest from the pivoting point, and a side of the turning section a front abutting section and a rear abutting section on the other side of the turning section, when the binding blocks are in the locked state, the front abutting sections respectively abut the elastic sections, when the combining During the short slip state, the elastic deformation of the elastic segments increases but does not reach a maximum deformation amount, and during the long slip state, the elastic deformation of the elastic segments increases to a maximum deformation amount. And decreasing, when the elastic deformation of the elastic segments reaches the maximum deformation amount, the turning segments respectively abut the elastic segments, and when the bonding blocks are in the released state, the rear abutting segments respectively reach Relying on the elastic segments. The detachable detector according to any one of claims 1 to 4, wherein the base wall has a through hole penetrating through the center, and the hanging block is disposed on the base wall around the through hole, The secondary triggering portion of the hanging block collectively defines a cylindrical large disk portion, and the primary trigger portions of the hanging blocks collectively define a small disk portion having a cylindrical shape and an outer diameter smaller than the large disk portion, the hanging portions The positioning surface of the hanging block is located on the top ring surface of the small disk portion. The detachable detector of claim 5, wherein each annular electrode group of the electrode unit has two ring electrodes spaced around the through hole, and each contact is in contact when the bonding block is in the locked state. The electrode is interposed between two adjacent ring electrodes. The detachable detector of claim 6, wherein the tops of the contact electrodes are conical. The detachable detector of claim 7, wherein the electrode unit further comprises a plurality of conductive sheets respectively disposed on the ring electrodes, and a plurality of insulating pads respectively disposed under the conductive sheets to prevent the The conductive sheets touch the adjacent ring electrodes. The detachable detector according to claim 5, wherein the fixing base further comprises a plurality of wire grooves spaced apart from the small disk portion and the large disk portion and communicating with the through hole. The detachable detector of claim 5, wherein the fixing sections of the elastic members are integrally connected.