CN112712665B - Clamping device - Google Patents
Clamping device Download PDFInfo
- Publication number
- CN112712665B CN112712665B CN201911017714.2A CN201911017714A CN112712665B CN 112712665 B CN112712665 B CN 112712665B CN 201911017714 A CN201911017714 A CN 201911017714A CN 112712665 B CN112712665 B CN 112712665B
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- China
- Prior art keywords
- elastic sheet
- engaging
- base
- cover
- limiting
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Connection Of Plates (AREA)
Abstract
The invention relates to a clamping device, which comprises: the base is provided with a first elastic sheet and a second elastic sheet, the cover is provided with a third elastic sheet, the first elastic sheet is provided with a stopping part, a clamping part and a limiting part, and the cover supports the first elastic sheet by rotatably arranging the third elastic sheet between the first elastic sheet and the second elastic sheet, so that the stability of the clamping device is improved, and the problems of clamping loosening or clamping untight and the like are not easy to generate.
Description
Technical Field
The present invention relates to a locking device, and more particularly, to a locking device that is locked and fixed by elastic pieces on a cover and a base.
Background
The fire detector is a device for detecting the scene and finding out the fire in the fire-fighting automatic fire alarm system. Fire detectors are the "sense organs" of the system and function to monitor the environment for the presence or absence of a fire. Once there is fire, the characteristic physical quantity of fire, such as temperature, smoke, gas and radiation intensity, etc. are converted into electric signals, and act immediately to send alarm signals to the fire alarm controller.
In an automatic fire alarm system, a triggering device that automatically or manually generates a fire alarm signal is called a site detection device, and mainly includes a fire detector and a manual fire alarm button. Different types of fire detectors are suitable for different types of fires and different locations. The fire detector is the most basic trigger device with the largest application amount and the widest application range in an automatic fire alarm system.
According to the fire detection method and principle, the fire detectors produced in various countries in the world currently have main types such as temperature-sensing type, smoke-sensing type, photosensitive type, combustible gas detection type, composite type and the like. The various types can be divided into different forms. Different types are selected for different fires, and meanwhile, the fire detectors suitable for the type of the place are selected according to different places, so that the efficiency of the fire detectors can be really exerted, the fire is effectively detected, and the purposes of early finding the fire and early alarming are achieved.
The fire detectors can be divided into three types, namely temperature sensing detectors, smoke sensing detectors and photosensitive detectors. Although the detector has a wide variety of types, its basic structure is generally composed of a base and a sensing cover. The prior art has the problem of the engagement between the base and the cover.
Because the detector needs frequent detection and changes the sensing lid, after the action of the elastic sheet structure of the base through long-time repeated clamping, the deformation and the loosening of the elastic sheet structure often exist, the contact between the sensing lid and the elastic sheet of the base is poor, electric power cannot be provided for the lid, and then the sensing efficiency is reduced.
In summary, the present invention is directed to provide a detector engaging device with a stable structure, which can avoid the problems of loose, loose or loose engagement of the spring structure.
Disclosure of Invention
An object of the present invention is to provide a locking device, which solves the problems of the prior art, such as loose locking, or short circuit of the elastic pieces on the base and the cover.
In order to achieve the above object, the present invention discloses an engaging device, comprising: a base, it sets up a bearing surface and a first composition surface, this first composition surface is concave to be located this bearing surface outer fringe, this base contains: a first elastic sheet, which is arranged on the bearing surface and comprises: a stopping part, one end of which is arranged on the base and the other end of which extends upwards; one end of the clamping part is connected with the other end of the stopping part, and the other end of the clamping part extends horizontally; a limiting part, one end of which is connected with the other end of the clamping part, the other end of which extends outwards along the clamping part, and the limiting part comprises a first limiting part and a second limiting part, wherein the first limiting part is arranged at the other end of the clamping part and extends downwards, and the second limiting part is connected with the first limiting part and extends upwards; a second elastic sheet arranged below the first elastic sheet and above the bearing surface, wherein a bent part of the second elastic sheet is abutted against the lower part of the clamping part; a cover body, which comprises a third elastic sheet arranged on the lower surface of the cover body, wherein the third elastic sheet is arranged between the first elastic sheet and the second elastic sheet in a rotating way, and the third elastic sheet is electrically connected with the first elastic sheet and the second elastic sheet, passes through the limiting part and is abutted against the lower part of the clamping part and one side of the stopping part; the sensor is arranged in the cover body and electrically connected with the third elastic sheet, and the third elastic sheet is rotatably arranged between the first elastic sheet and the second elastic sheet, penetrates through the limiting part and is abutted against the lower part of the clamping part and one side of the stopping part, so that the clamping device with a stable structure is realized.
In an embodiment of the present invention, it is also disclosed that the cover body is provided with a second joint surface opposite to the first joint surface, the second joint surface is convexly provided on the outer edge of the lower surface, wherein the second joint surface abuts against the first joint surface.
In an embodiment of the invention, the first elastic sheet, the second elastic sheet and the third elastic sheet are made of conductive materials, and the first elastic sheet and the second elastic sheet are electrically connected to the third elastic sheet.
In an embodiment of the present invention, a connecting plate is disposed on the carrying surface, the connecting plate is connected to the first elastic sheet, and the connecting plate is made of a conductive material.
In an embodiment of the invention, a fixing portion is disposed on the carrying surface, and the fixing portion fixes the connecting sheet.
Drawings
FIG. 1: which is a schematic view of a base of a first embodiment of the fastening device of the present invention;
FIG. 1A: which is an enlarged view of a first embodiment of the engaging device of the present invention;
FIG. 2: a side view of a first embodiment of the engaging device of the present invention;
FIG. 2A: which is an enlarged view of a first embodiment of the engaging device of the present invention;
FIG. 3A: the first embodiment of the fastening device of the present invention is shown in the first installation diagram;
FIG. 3B: the second installation diagram of the first embodiment of the clamping device of the invention;
FIG. 3C: a third installation diagram of the clamping device of the first embodiment of the invention;
FIG. 4: which is a schematic view of a base of a second embodiment of the fastening device of the present invention;
FIG. 5: a side view of a second embodiment of the engaging device of the present invention;
FIG. 6: it is a schematic diagram of a cover body of a first embodiment of the fastening device of the present invention;
FIG. 6A: it is a schematic diagram of a cover body of a second embodiment of the fastening device of the present invention;
FIG. 7: the fourth installation diagram of the clamping device of the first embodiment of the invention; and
FIG. 8: it is a schematic circuit connection diagram of a first embodiment of the engaging device of the present invention.
[ brief description of the drawings ]
10 base
102 carrying surface
104 first bonding surface
106 first elastic sheet
1062 stop
1064 engaging part
1066 limiting part
10662 first position limiting element
10664 second position limiting part
108 second elastic sheet
1082 bending part
110 connecting sheet
112 fixed part
20 cover body
202 lower surface
204 third elastic sheet
206 second engagement face
208 sensor
Detailed Description
In order to provide a further understanding and appreciation for the structural features and advantages achieved by the present invention, the following detailed description of the presently preferred embodiments is provided:
the invention relates to a clamping device, which solves the problems that elastic sheets on a base and a cover of the clamping device in the prior art are easy to loose and loose in clamping, loose in clamping and loose or short-circuited.
Please refer to fig. 1, fig. 1A, fig. 2A, fig. 6, fig. 7 and fig. 8, which are a schematic diagram of a base, an enlarged diagram of a base, a schematic diagram of a side surface, an enlarged diagram of a cover, a schematic diagram of an installation, and a schematic diagram of a circuit connection of a first embodiment of an engaging device according to the present invention. As shown in the drawings, in the present embodiment, the fastening device of the invention includes a base 10 and a cover 20, the base 10 is provided with a carrying surface 102 and a first engaging surface 104, the base further includes a first elastic sheet 106 and a second elastic sheet 108, the first elastic sheet 106 includes a stopping portion 1062, a fastening portion 1064 and a limiting portion 1066, the first limiting portion 1066 includes a first limiting member 10662 and a second limiting member 10664; the second resilient piece 108 includes a bent portion 1082, and the cover 20 includes a lower surface 202, a second engaging surface 206, a sensor 208 and a third resilient piece 204.
Continuing the above, the first combining surface 104 is concavely arranged on the outer edge of the bearing surface 102; the first elastic sheet 106 is disposed on the carrying surface 102, one end of the stopping portion 1062 is vertically disposed on the base 10, and the other end thereof extends upward away from the base 10; one end of the engaging portion 1064 is connected to the other end of the stopping portion 1062, and the other end of the engaging portion 1064 extends toward one side of the stopping portion 1062; one end of the limiting portion 1066 is connected to the other end of the engaging portion 1064, the other end of the limiting portion 1066 extends outward along the engaging portion 1064, the first limiting member 10662 is disposed at the other end of the engaging portion 1064 and extends downward, and the second limiting member 10664 is connected to the first limiting member 10662 and extends upward; the second resilient piece 108 is disposed below the first resilient piece 106 and above the supporting surface 102, and the bent portion 1082 of the second resilient piece 108 abuts against a lower portion of the engaging portion 1064. The cover 20 is disposed on the carrying surface 102, the lower edge of the cover 20 is disposed on the first bonding surface 104, the cover 20 is disposed on the second bonding surface 206 corresponding to the first bonding surface 104, the second bonding surface 206 is protruded from the lower surface 202 of the cover 20, and the second bonding surface 206 abuts against the first bonding surface 104 to complete the engagement between the cover 20 and the base 10; the third elastic sheet 204 is disposed on the lower surface 202 of the cover 20, the third elastic sheet 204 is rotatably disposed on the first elastic sheet 106, passes through the limiting portion 1066 and abuts against the engaging portion 1064 and one side of the stopping portion 1062, so as to firmly engage the cover 20 with the base 10, the sensor 208 of the cover 20 is electrically connected to the third elastic sheet 204, the third elastic sheet 204 is electrically connected to the first elastic sheet 106 and the second elastic sheet 108, and when the cover is in a power-on state, the sensor 208 is powered on.
Referring to fig. 1 and fig. 6, in the present embodiment, a connecting piece 110 and a fixing portion 112 are disposed on the supporting surface 102, the connecting piece 110 is connected to the first elastic piece 106, and the fixing portion 112 fixes the connecting piece 110. In practical use, the first elastic piece 106, the second elastic piece 108, the third elastic piece 204 and the connecting piece 110 are made of conductive materials, the base 10 is electrically connected to the third elastic piece 204 through the first elastic piece 106, the second elastic piece 108 and the connecting piece 110, and the third elastic piece 204 is electrically connected to components inside the cover 20 to provide power for the components.
Please refer to fig. 3A, fig. 3B, and fig. 3C, which are a first installation diagram, a second installation diagram, and a third installation diagram of an engaging device according to a first embodiment of the present invention. As shown in the drawings, in the installation process of the present embodiment, first, the second engaging surface 206 of the cover 20 abuts against the first engaging surface 104 of the base 10, and then, the cover 20 is rotated clockwise, so that one side of the third elastic sheet 204 abuts against the limiting portion 1066, and the upper surface of the third elastic sheet 204 is slightly lower than the lower portion of the engaging portion 1064. Since the first limiting member 10662 is disposed at the other end of the engaging portion 1064 and extends downward, the second limiting member 10664 is connected to the first limiting member 10662 and extends upward. Therefore, the third elastic sheet 204 abuts against one side of the position-limiting portion 1066, and the cover 20 continuously rotates clockwise, the third elastic sheet 204 presses the position-limiting portion 1066, the position-limiting portion 1066 takes one end as an axis, and the other end moves upward until the upper surface of the third elastic sheet 204 is lower than the first position-limiting member 10662, and after the third elastic sheet 204 abuts against the first position-limiting member 10662, the third elastic sheet 204 continuously moves toward the stopping portion 1062. In addition, during the horizontal movement of the third elastic piece 204, the second elastic piece 108 is pressed and the bending portion 1082 is pressed against the lower surface of the third elastic piece 204. Then, the cover 20 is continuously rotated, the other side of the third elastic sheet 204 passes through the limiting portion 1066, the limiting portion 1066 returns to the initial position, one side of the third elastic sheet 204 abuts against the stopping portion 1062, and the upper surface of the third elastic sheet 204 abuts against the lower surface of the engaging portion 1064, thereby completing the engagement of the cover 20 to the base 10. With the above structure, the third elastic sheet 204 is limited in both horizontal and vertical directions, so that the cover 20 is firmly fixed on the base 10, and the problems of loose fastening or slipping are not easily caused.
In a second embodiment of the present invention, please refer to fig. 4, fig. 5 and fig. 6A, which are a schematic diagram of a base, a schematic diagram of a side surface and a schematic diagram of a cover of an engaging device according to a second embodiment of the present invention. As shown in the figure, in the present embodiment, two first elastic pieces 106, two second elastic pieces 108 and two third elastic pieces 204 are respectively disposed, wherein the two first elastic pieces 106, the two second elastic pieces 108 and the two third elastic pieces 204 are respectively disposed in a reverse symmetry manner, for example, the two first elastic pieces 106 respectively use the center of circle of the base 10 as a symmetry structure. In the actual card process, the difference from the first embodiment is that the two third resilient sheets 204 are simultaneously screwed between the two first resilient sheets 106 and the two second resilient sheets 108 to complete the fastening of the cover 20 to the base 10. The structure of the clamping device is more stable and durable. Other structures are substantially the same as those of the first embodiment, and thus are not described again.
In summary, in the fastening device of the present invention, the first elastic sheet 106 and the second elastic sheet 108 are disposed on the base 10, the third elastic sheet 204 is disposed on the cover 20, the third elastic sheet 204 is rotatably disposed between the first elastic sheet 106 and the second elastic sheet 108 by passing through the first limiting member 10662, one side of the third elastic sheet 204 abuts against the stopping portion 1062, and the upper surface of the third elastic sheet 204 abuts against the lower surface of the fastening portion 1064, so as to fasten the cover 20 to the base 10, and the above structure limits the displacement of the third elastic sheet 204 in the horizontal direction and the vertical direction, so that the fastening device is stable in structure and is not easy to be loosened and loosened.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Claims (3)
1. An engaging device, comprising:
a base, it sets up a bearing surface and a first composition surface, this first composition surface is concave to be located this bearing surface outer fringe, this base contains:
a first elastic sheet, which is arranged on the bearing surface and comprises:
a stopping part, one end of which is arranged on the base and the other end of which extends upwards;
one end of the clamping part is connected with the other end of the stopping part, and the other end of the clamping part extends horizontally; and
a limiting part, one end of which is connected with the other end of the clamping part, the other end of which extends outwards along the clamping part, and the limiting part comprises a first limiting part and a second limiting part, wherein the first limiting part is arranged at the other end of the clamping part and extends downwards, and the second limiting part is connected with the first limiting part and extends upwards; and
a second elastic sheet arranged below the first elastic sheet and above the bearing surface, wherein a bent part of the second elastic sheet is abutted against the lower part of the clamping part; and
a cover body disposed on the carrying surface, a lower edge of the cover body disposed on the first bonding surface, the cover body further comprising:
the third elastic sheet is arranged on the lower surface of the cover body, is spirally arranged between the first elastic sheet and the second elastic sheet, is electrically connected with the first elastic sheet and the second elastic sheet, penetrates through the limiting part and is abutted against the lower part of the clamping part and one side of the stopping part; and
a sensor, which is arranged in the cover body and is electrically connected with the third elastic sheet; and
the connecting sheet is arranged on the bearing surface and is connected with the first elastic sheet;
the first elastic sheet, the second elastic sheet, the third elastic sheet and the connecting sheet are made of conductive materials.
2. The engaging device according to claim 1, wherein the cover has a second engaging surface opposite to the first engaging surface, the second engaging surface protruding from the outer edge of the lower surface, and wherein the second engaging surface abuts against the first engaging surface.
3. The engaging device according to claim 1, wherein a fixing portion is disposed on the carrying surface, and the fixing portion fixes the connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911017714.2A CN112712665B (en) | 2019-10-24 | 2019-10-24 | Clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911017714.2A CN112712665B (en) | 2019-10-24 | 2019-10-24 | Clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112712665A CN112712665A (en) | 2021-04-27 |
| CN112712665B true CN112712665B (en) | 2022-05-27 |
Family
ID=75541591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911017714.2A Active CN112712665B (en) | 2019-10-24 | 2019-10-24 | Clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112712665B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2561496A1 (en) * | 2010-04-21 | 2013-02-27 | Sprue Safety Products Ltd. | Smoke detector |
| CN103720055A (en) * | 2013-12-13 | 2014-04-16 | 深圳市合元科技有限公司 | Electronic cigarette and atomizing device and power supply device and charging connector thereof |
| CN203673611U (en) * | 2013-12-05 | 2014-06-25 | 深圳市泛海三江电子有限公司 | Independent smoke-sensing fire detector |
| CN203913376U (en) * | 2014-01-23 | 2014-11-05 | 深圳市合元科技有限公司 | Electronic cigarette |
| CN204221776U (en) * | 2014-09-02 | 2015-03-25 | 宁波市杰杰工具有限公司 | A kind of drawer structure of tool car |
| WO2015166161A2 (en) * | 2014-04-28 | 2015-11-05 | Legrand France | Module of electrical equipment to be snap-fitted into an electrical box |
| CN208188990U (en) * | 2018-05-23 | 2018-12-04 | 山东众海智能科技有限公司 | A kind of smoke detector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5829911B2 (en) * | 2011-12-28 | 2015-12-09 | 矢崎総業株式会社 | Shield connector |
-
2019
- 2019-10-24 CN CN201911017714.2A patent/CN112712665B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2561496A1 (en) * | 2010-04-21 | 2013-02-27 | Sprue Safety Products Ltd. | Smoke detector |
| CN203673611U (en) * | 2013-12-05 | 2014-06-25 | 深圳市泛海三江电子有限公司 | Independent smoke-sensing fire detector |
| CN103720055A (en) * | 2013-12-13 | 2014-04-16 | 深圳市合元科技有限公司 | Electronic cigarette and atomizing device and power supply device and charging connector thereof |
| CN203913376U (en) * | 2014-01-23 | 2014-11-05 | 深圳市合元科技有限公司 | Electronic cigarette |
| WO2015166161A2 (en) * | 2014-04-28 | 2015-11-05 | Legrand France | Module of electrical equipment to be snap-fitted into an electrical box |
| CN204221776U (en) * | 2014-09-02 | 2015-03-25 | 宁波市杰杰工具有限公司 | A kind of drawer structure of tool car |
| CN208188990U (en) * | 2018-05-23 | 2018-12-04 | 山东众海智能科技有限公司 | A kind of smoke detector |
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| Publication number | Publication date |
|---|---|
| CN112712665A (en) | 2021-04-27 |
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