CN214704888U - Cylindrical smoke detector - Google Patents
Cylindrical smoke detector Download PDFInfo
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- CN214704888U CN214704888U CN202121109268.0U CN202121109268U CN214704888U CN 214704888 U CN214704888 U CN 214704888U CN 202121109268 U CN202121109268 U CN 202121109268U CN 214704888 U CN214704888 U CN 214704888U
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- power supply
- circuit board
- supply battery
- middle ring
- smoke
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Abstract
The utility model provides a cylinder smoke detector, include: the smoke circuit board is arranged on the support ring, one end of the second middle ring supports the support ring, one side of the support ring, which deviates from the second middle ring, is provided with the first middle ring, the first middle ring surrounds the smoke sensor on the smoke circuit board, one end of the first middle ring, which deviates from the support ring, is covered by the upper cover, the other end of the second middle ring is provided with the bottom cover, the bottom cover is provided with the power supply battery, the bottom cover is provided with a conductive part which is in electric contact with the power supply battery, the smoke circuit board is provided with the elastic electric connection mechanism, and the elastic electric connection mechanism and the conductive part are tightly pressed through buckling of the bottom cover and the second middle ring. This cylinder formula smoke detector, solve among the prior art because of lead to cylindrical casing and the big problem of cap diameter with the power supply battery overall arrangement in smog circuit board one side.
Description
Technical Field
The utility model relates to a detector, concretely relates to cylinder formula smoke detector.
Background
In the prior art, a smoke detector comprises: smog circuit board, casing, cap and power supply battery, the lid has closed smog circuit board and power supply battery between casing and the cap, and power supply battery is located smog circuit board one side, and power supply battery is the power supply of smog circuit board, installs the smog inductor that is used for detecting smog on the smog circuit board.
Although the above-mentioned detector can realize alarm after detecting smoke, the detector has the following disadvantages:
basically all hold between casing and cap with smog circuit board and power supply battery overall arrangement, and the smog circuit board is located power supply battery by one side, leads to the bottom area of whole casing and cap great, and area is big during the installation, if casing and cap lock are cylindrical, then can lead to the diameter of casing and cap great, leads to the unable installation of this product when area is great.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cylinder smoke detector solves among the prior art because of leading to the problem that cylindrical shell and cap diameter are big with the power supply battery overall arrangement in smog circuit board one side.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a cylinder smoke detector, include: the smoke circuit board is arranged on the support ring, one end of the second middle ring supports the support ring, one side of the support ring, which deviates from the second middle ring, is provided with the first middle ring, the first middle ring surrounds the smoke sensor on the smoke circuit board, one end of the first middle ring, which deviates from the support ring, is covered by the upper cover, the other end of the second middle ring is provided with the bottom cover, the bottom cover is provided with the power supply battery, the bottom cover is provided with a conductive part which is in electric contact with the power supply battery, the smoke circuit board is provided with the elastic electric connection mechanism, and the elastic electric connection mechanism and the conductive part are tightly pressed through buckling of the bottom cover and the second middle ring.
Preferably, the elastic electrical connection mechanism includes: the mounting seat, the contact pin, the spring, insert post and compact heap, the mounting seat is hugged closely with the smog circuit board, the contact pin is installed to the mounting seat, the contact pin passes the smog circuit board, the contact pin welding is on the smog circuit board, spring one end is fixed with the contact pin, the spring, insert post and compact heap all adopt conducting material to make, the spring other end with insert the post fixed, insert the post and be used for inserting to the conductive part in, insert the post and fix to the compact heap, the compact heap is hugged closely with the conductive part.
Preferably, the bottom cover includes: lower lid, first guide post and fixture, lower lid one end stretch into to the second intermediate ring in, install fixture in the lower lid, fixture is used for centre gripping power supply battery, installs first guide post by fixture, and first guide post inserts to the first breach of smog circuit board edge formation.
Preferably, the clamping mechanism includes: the power supply battery is characterized by comprising end blocks and a limit release arm, wherein the end blocks are arranged at two ends of the power supply battery and fixed with the lower cover body, limit release arms are arranged at two sides of the power supply battery, one end of each limit release arm is fixed with the lower cover body, the limit release arms are elastic, and the other ends of the limit release arms form limit release hooks for limiting the power supply battery to be separated from the lower cover body.
Preferably, two arc blocks are fixed on the lower cover body, the two arc blocks are arranged on one circumference, and the elastic electric connection mechanism is inserted between the two arc blocks.
Preferably, the bottom cover further includes: the mounting part is of a T-shaped structure, the large end of the mounting part is clamped by the cover plate and the lower cover body, and the mounting part is positioned on one side, away from the power supply battery, of the lower cover body.
Preferably, the upper cover includes: go up the lid and participate in, go up lid and first intermediate ring lock, be fixed with on the lid and participate in, participate in and insert between first intermediate ring and the smoke transducer.
Preferably, the support ring is recessed to form locating holes for the pins to be inserted.
Compared with the prior art, the utility model discloses following beneficial effect has:
1) the smoke sensor is arranged above the smoke circuit board, the first middle ring surrounds the smoke sensor, and the power supply battery is arranged below the smoke circuit board, so that the whole cylindrical smoke detector is in a tower-shaped structure, the whole structure is compact, the smoke sensor and the power supply battery are prevented from being arranged on one side of the smoke circuit board to cause large occupied area, namely the cross sections of the first middle ring and the second middle ring are small, and the smoke detector is convenient to use;
2) the bottom cover and the second intermediate ring are detachably connected, the power supply battery can be replaced after the bottom cover is opened, and the electric connection of the power supply battery cannot be influenced after the bottom cover is opened.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic diagram of a cylindrical smoke detector;
FIG. 2 is an exploded view of a cylindrical smoke detector;
FIG. 3 is a schematic structural view of the upper cover;
FIG. 4 is a schematic view of a smoke circuit board;
FIG. 5 is a schematic view of the bottom cover;
fig. 6 is a schematic structural view of the first intermediate ring and the second intermediate ring after being disassembled.
Reference numerals: the smoke circuit board 1, the power supply battery 2, the elastic electric connection mechanism 3, the mounting seat 31, the contact pin 32, the spring 33, the insertion column 34, the pressing block 35, the support ring 4, the upper cover 5, the pin 50, the first intermediate ring 6, the second intermediate ring 7, the bottom cover 8, the lower cover 81, the first guide column 82, the clamping mechanism 83, the end block 831, the disengagement limiting arm 832, the arc block 833, the cover plate 84, the mounting portion 85 and the smoke sensor 9.
Detailed Description
In order to make the utility model realize that technical means, creation characteristics, achievement purpose and effect are clearer and easily understand, it is right to combine below the figure and the detailed implementation mode the utility model discloses do further explanation:
as shown in fig. 1 to 6, the utility model provides a cylinder smoke detector, include: the smoke detection device comprises a smoke circuit board 1, a power supply battery 2, an elastic electric connection mechanism 3, a support ring 4, an upper cover 5, a first middle ring 6, a second middle ring 7 and a bottom cover 8, wherein the smoke circuit board 1 is installed on the support ring 4, one end of the second middle ring 7 supports the support ring 4, one side, away from the second middle ring 7, of the support ring 4 is provided with the first middle ring 6, the first middle ring 6 surrounds the smoke sensor 9 on the smoke circuit board 1, one end, away from the support ring 4, of the first middle ring 6 is covered by the upper cover 5, the other end of the second middle ring 7 is covered by the bottom cover 8, the power supply battery 2 is installed on the bottom cover 8, a conductive part in electrical contact with the power supply battery 2 is installed on the bottom cover 8, the elastic electric connection mechanism 3 is installed on the smoke circuit board 1, and the elastic electric connection mechanism 3 and the conductive part are tightly pressed with the second middle ring 7 through the bottom cover 8.
In order to design the elastic electric connection mechanism 3 with a simple structure, the elastic electric connection mechanism 3 includes: mount pad 31, contact pin 32, spring 33, insert post 34 and compact heap 35, mount pad 31 hugs closely with smog circuit board 1, contact pin 32 is installed to mount pad 31, contact pin 32 passes smog circuit board 1, contact pin 32 welds on smog circuit board 1, spring 33 one end is fixed with contact pin 32, spring 33, insert post 34 and compact heap 35 all adopt conducting material to make, the spring 33 other end is fixed with inserting post 34, insert post 34 and be used for inserting to the conductive part in, insert post 34 and fix to compact heap 35, compact heap 35 hugs closely with the conductive part. The mounting seat 31 is mounted on the smoke circuit board 1, the contact pin 32 is welded on the smoke circuit board 1, the welding is made of tin material, and a circuit line is arranged at the welding position, so that the electric connection with the circuit line on the smoke circuit board 1 can be ensured. Moreover, spring 33 design has realized that bottom 8 lock back compact heap 35 compresses tightly on the conductive part to guarantee that the electric contact is good, guarantee that power supply battery 2 can normally be the power supply of smog circuit board 1.
In order to realize spacing to a certain extent power supply battery 2, avoid power supply battery 2 to rock in bottom 8, bottom 8 includes: lower lid 81, first guide post 82 and fixture 83, lower lid 81 one end stretch into in the second intermediate ring 7, install fixture 83 in the lower lid 81, fixture 83 is used for centre gripping power supply battery 2, installs first guide post 82 by fixture 83, and first guide post 82 inserts to the first breach that smog circuit board 1 edge formed.
In order to design the chucking mechanism 83 with a simple structure, the chucking mechanism 83 includes: the power supply device comprises a terminal block 831 and a releasing limiting arm 832, wherein the terminal block 831 is arranged at each of two ends of the power supply battery 2, the terminal block 831 is fixed with the lower cover 81, the releasing limiting arms 832 are arranged at two sides of the power supply battery 2, one end of each releasing limiting arm 832 is fixed with the lower cover 81, each releasing limiting arm 832 is elastic, and the other end of each releasing limiting arm 832 forms a releasing limiting hook for limiting the release of the power supply battery 2 and the lower cover 81. Both ends head piece 831 location power supply battery 2 both ends, limit and take off arm 832 and have certain elasticity, when pressing the high battery of power supply between two at least limits and take off arm 832, limit takes off arm 832 elasticity and lets, give way power supply battery 2's position, final power supply battery 2 is pressed to target in place, limit takes off arm 832 and restores to the original position, make limit take off arm 832 top limit unhook catch on power supply battery 2, thereby avoid power supply battery 2 and bottom 8 to break away from in the installation, the installation of bottom 8 after power supply battery 2 installs is convenient.
In order to guide the elastic electric connection mechanism 3, two arc blocks 833 are fixed on the lower cover 81, the two arc blocks 833 are on one circumference, and the elastic electric connection mechanism 3 is inserted between the two arc blocks 833.
In order to facilitate installation of the installation portion 85, the installation portion 85 is connected to the installation position, the cover plate 84 is connected to the lower cover 81 and can be installed by screws, the installation portion 85 is driven into the wall by screws, and the bottom cover 8 further includes: the cover plate 84 and the mounting portion 85, the mounting portion 85 is a T-shaped structure, the large end of the mounting portion 85 is clamped by the cover plate 84 and the lower cover 81, and the mounting portion 85 is located on the side of the lower cover 81 away from the power supply battery 2.
In order to design the upper cover 5 with simple structure and realize the installation and positioning of the first middle ring 6 after the upper cover 5 is installed, the upper cover 5 comprises: the upper cover 5 is buckled with the first middle ring 6, the pins 50 are fixed on the upper cover 5, and the pins 50 are inserted between the first middle ring 6 and the smoke sensor 9.
For ease of positioning, the support ring 4 is recessed to form positioning holes into which the pins 50 are inserted.
After the bottom cover 8 is connected with the second intermediate ring 7, the power supply battery 2 is clamped by the mounting seat 31 and the bottom cover 8 of the elastic electric connection mechanism 3, so that the power supply battery 2 is difficult to move in the power supply battery 2 even if the release limiting arm 832 releases the power supply battery 2, due to the use of the mounting seat 31, the mounting seat 31 isolates the smoke circuit board 1 from the power supply battery 2, and the smoke circuit board 1 avoids the phenomenon of blocking a circuit on the smoke circuit board 1 in the compression process.
The second middle ring 7 and the support ring 4 are in a fixed state, the inner wall of the second middle ring 7 is recessed to form a slot for inserting the first guide column 82, the first guide column 82 is positioned and guided, the number of the first guide columns 82 is multiple, the bottom cover 8 can be positioned and installed on the second middle ring 7 under the action of the first guide columns 82 and the second middle ring 7, the conductive part cannot be aligned with the elastic electric connection mechanism 3 due to the fact that the bottom cover 8 can rotate, alignment is facilitated, and the phenomenon that the bottom cover 8 and the second middle ring 7 are installed well due to the fact that the conductive part is not aligned with the elastic electric connection mechanism 3 is avoided.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (8)
1. A cylindrical smoke detector, comprising: the smoke circuit board is arranged on the support ring, one end of the second middle ring supports the support ring, one side of the support ring, which deviates from the second middle ring, is provided with the first middle ring, the first middle ring surrounds the smoke sensor on the smoke circuit board, one end of the first middle ring, which deviates from the support ring, is covered by the upper cover, the other end of the second middle ring is provided with the bottom cover, the bottom cover is provided with the power supply battery, the bottom cover is provided with a conductive part which is in electric contact with the power supply battery, the smoke circuit board is provided with the elastic electric connection mechanism, and the elastic electric connection mechanism and the conductive part are tightly pressed through buckling of the bottom cover and the second middle ring.
2. A cylindrical smoke detector according to claim 1 wherein the resilient electrical connection means comprises: the mounting seat, the contact pin, the spring, insert post and compact heap, the mounting seat is hugged closely with the smog circuit board, the contact pin is installed to the mounting seat, the contact pin passes the smog circuit board, the contact pin welding is on the smog circuit board, spring one end is fixed with the contact pin, the spring, insert post and compact heap all adopt conducting material to make, the spring other end with insert the post fixed, insert the post and be used for inserting to the conductive part in, insert the post and fix to the compact heap, the compact heap is hugged closely with the conductive part.
3. The cylindrical smoke detector of claim 1, wherein the bottom cap comprises: lower lid, first guide post and fixture, lower lid one end stretch into to the second intermediate ring in, install fixture in the lower lid, fixture is used for centre gripping power supply battery, installs first guide post by fixture, and first guide post inserts to the first breach of smog circuit board edge formation.
4. A cylindrical smoke detector according to claim 3 wherein the clamping means comprises: the power supply battery is characterized by comprising end blocks and a limit release arm, wherein the end blocks are arranged at two ends of the power supply battery and fixed with the lower cover body, limit release arms are arranged at two sides of the power supply battery, one end of each limit release arm is fixed with the lower cover body, the limit release arms are elastic, and the other ends of the limit release arms form limit release hooks for limiting the power supply battery to be separated from the lower cover body.
5. A cylindrical smoke detector according to claim 3 wherein the lower cover has two circular arc blocks fixed thereto, the circular arc blocks being on a circumference, the elastic electrical connection means being interposed between the circular arc blocks.
6. A cylindrical smoke detector according to claim 3 wherein the bottom cap further comprises: the mounting part is of a T-shaped structure, the large end of the mounting part is clamped by the cover plate and the lower cover body, and the mounting part is positioned on one side, away from the power supply battery, of the lower cover body.
7. The cylindrical smoke detector as claimed in claim 1, wherein the upper cover comprises: go up the lid and participate in, go up lid and first intermediate ring lock, be fixed with on the lid and participate in, participate in and insert between first intermediate ring and the smoke transducer.
8. The cylinder smoke detector according to claim 7, wherein the support ring is recessed to form locating holes for insertion of the pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121109268.0U CN214704888U (en) | 2021-05-21 | 2021-05-21 | Cylindrical smoke detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121109268.0U CN214704888U (en) | 2021-05-21 | 2021-05-21 | Cylindrical smoke detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214704888U true CN214704888U (en) | 2021-11-12 |
Family
ID=78553470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121109268.0U Active CN214704888U (en) | 2021-05-21 | 2021-05-21 | Cylindrical smoke detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214704888U (en) |
-
2021
- 2021-05-21 CN CN202121109268.0U patent/CN214704888U/en active Active
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