CN203521700U - Plug-in wiring terminal and fire disaster alarm front-end product - Google Patents
Plug-in wiring terminal and fire disaster alarm front-end product Download PDFInfo
- Publication number
- CN203521700U CN203521700U CN201320649409.7U CN201320649409U CN203521700U CN 203521700 U CN203521700 U CN 203521700U CN 201320649409 U CN201320649409 U CN 201320649409U CN 203521700 U CN203521700 U CN 203521700U
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- China
- Prior art keywords
- splicing ear
- terminal
- shaped contact
- plug
- product
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000007795 chemical reaction product Substances 0.000 title claims abstract description 25
- 239000000047 product Substances 0.000 claims abstract description 28
- 239000012212 insulator Substances 0.000 claims description 8
- 239000012634 fragment Substances 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 4
- 238000002788 crimping Methods 0.000 abstract 4
- 238000009434 installation Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
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- Fire Alarms (AREA)
Abstract
The utility model discloses a plug-in wiring terminal and a fire disaster alarm front-end product and relates to a connector and the fire disaster alarm product field and aims to solve problems of inconvenient mounting and wiring and unstable contact existing in a fire disaster alarm front-end product in the prior art. The plug-in wiring terminal comprises a connection terminal, a crimping terminal and an L-shaped contact sheet for electrically connecting the connection terminal with the crimping terminal, wherein one end of the L-shaped contact sheet is fixedly connected with the crimping terminal through a connection member, the other end of the L-shaped contact sheet is in plugging connection with the connection terminal, one end of the connection terminal is provided with two shrapnel-shaped conduction contacts, the other end of the connection terminal is provided with two oppositely-arranged elastic curling portions, and the L-shaped contact sheet is in plugging connection between the two oppositely-arranged elastic curling portions and is clamped by opposite faces of the two elastic curling portions to form electrical connection between the connection terminal and the crimping terminal. The utility model further provides the fire disaster alarm front-end product using the plug-in wiring terminal. The plug-in wiring terminal and the fire disaster alarm front-end product are applicable to use in various types of equipment requiring wiring.
Description
Technical field
The utility model relates to connector and fire alarm product scope, the fire alarm front end product that is specifically related to plug-in type connection terminal and uses this plug-in type connection terminal.
Background technology
Plug-in series binding post is for realizing the device of electrical connection, adopts the plugged connection of easy operating to combine with firmly general screw mode, and various parts are connected.It is generally formed by connecting by two parts plug, and a part is tight by line pressure, is then inserted into another part, and this part is welded on pcb board again.
Fire alarm front end product all needed to install on request wiring before normal use, can play its function.The current conventional mode of connection is on the market on product, to increase binding post (product and binding post are integrated), engineering company when mounted just must be by the wiring of the inverted ability of whole product like this, but because the connector lug that expose job site is not long, very difficult while just causing wiring, and when carrying out product maintenance, also need by all wiring dismantled can, expended a large amount of man-hours.Although there is part producer to introduce plug-in type connection terminal, the product design of fire alarm front end is become to plug-in wiring construction, but two parts that in this kind of structure, plug connects only depend on the mode of one side contact to realize electrical connection, exist certain unsteadiness aspect contact reliability.
Utility model content
The installation wiring that exists for the existing fire alarm front end product of mentioning in above-mentioned background technology is inconvenient, contact the problems such as unstable, and the purpose of this utility model is to provide that a kind of easy-to-connect, installing/dismounting are quick, the fire alarm front end product of contact stabilization and applicable plug-in type connection terminal wherein." fire alarm front end product " in the utility model refers to and comprises manual fire alarm call point, fire hydrant button, acoustooptic alarm, fire display panel, and each generic modules such as input, output module are at interior fire alarm system product.
For achieving the above object, the utility model provides a kind of plug-in type connection terminal, comprise splicing ear, pressure line terminal and the L shaped contact chip that is electrically connected to described splicing ear and described pressure line terminal, one end of described L shaped contact chip is fixedly connected with described pressure line terminal by connector, the other end and described splicing ear are pegged graft, it is characterized in that: one end of described splicing ear is provided with two shell fragment shape conductive contacts, the other end is provided with the elasticity curled portion that two subtends arrange, described L shaped contact chip is plugged between the elasticity curled portion that described two subtends arrange and is clamped and formed being electrically connected between described splicing ear and described pressure line terminal by these two elasticity curled portion face vis-a-vis.
The utility model also provides a kind of fire alarm front end product, it is characterized in that: in described fire alarm front end product, be provided with at least one group of above-mentioned plug-in type connection terminal, described fire alarm front end product comprises product main body and the insulator foot that is provided with operation display panel, described splicing ear is located in described product main body, described pressure line terminal is located in described insulator foot, described insulator foot is provided with the through wires hole that supply lines penetrates, and described product main body is by the grafting realization of described splicing ear and described L shaped contact chip and being connected of described insulator foot.
Further, described product main body comprises upper cover, pcb board and center, described splicing ear is fixedly arranged in described center with one end of its elasticity curled portion direction down, and the end of described elasticity curled portion is exposed outside described center, described pcb board is located at the top of described splicing ear and is electrically connected to two shell fragment shape conductive contacts of described splicing ear, is covered on the top of described pcb board and is fixedly connected with described center on described.
Further, the lateral wall of described splicing ear is provided with the back-off towards conductive contact one end, correspondingly, described center be provided be against described back-off end barrier for stoping described splicing ear to shift out from described center when inserting described L shaped contact chip.
Beneficial effect:
in the plug-in type connection terminal that the utility model provides, two elasticity curled portion of splicing ear all realize and being electrically connected to two faces of L shaped contact chip, and pcb board is that two point contact is connected with the electrical connection of splicing ear, compared with prior art, this kind of structure makes two-part grafting contact more reliable and more stable.
The utility model is applied in the reliable plug-in type connection terminal of above-mentioned contact stabilization on fire alarm front end product, two parts that are connected with pluggable mode that are designed to be comprised of with base body product main body.During project installation, only base body first need be fixed on to the relevant position that needs installation, then directly the lead exposing is pressed between pressure line terminal and L shaped contact chip, and be fixed by connector, do not need product to reverse, after to be onstructed completing, then product main body is pressed into and in base body, completes installation.This connect-disconnect structure can complete the installation wiring of fire alarm front end product more rapidly, is also convenient to dismounting simultaneously, has facilitated later maintenance, has greatly improved engineering construction efficiency.And base body and product main body employing double contact, improved to greatest extent the reliability of contact.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of fire alarm front end product of the present utility model;
fig. 2 is the structural representation of the fire alarm front end product decomposing state in Fig. 1;
fig. 3 is the perspective view of 1 another angle of parts in Fig. 1;
fig. 4 is the perspective view of 2 another angles of parts in Fig. 1;
fig. 5 is the perspective view of splicing ear of the present utility model;
fig. 6 is the perspective view of splicing ear and L shaped contact chip inserting state;
fig. 7 is the perspective view of splicing ear and pcb board connection status;
fig. 8 is that splicing ear is fixed on the part section structural representation in center.
In figure:
1. product main body, 11. centers, 111. barriers, 12. splicing ears, 121. conductive contacts, 122. elasticity curled portion, 123. back-offs, 13. pcb boards, 14. upper covers, 2. base body, 21. bases, 22. screws, 23. pressure line terminal rows, 24. L shaped contact chips, 25. through wires holes.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, following examples are that the utility model is not limited to following examples to explanation of the present utility model.
Fig. 1 to Fig. 4 is the structural representation that adopts a kind of embodiment of the fire alarm front end product that plug-in type connection terminal that the utility model provides designs, as shown in FIG., fire alarm front end product in the present embodiment is comprised of the product main body 1 and the base body 2 that are provided with operation display panel, wherein:
product main body 1 is comprised of upper cover 14, pcb board 13, center 11 and quantity a plurality of splicing ears 12 identical with the quantity of being located at the pressure line terminal in base 21; Participate in shown in Fig. 5, splicing ear 12 in the present embodiment is provided with the electric conductor that two shell fragment shape conductive contacts 121, the other ends are provided with the elasticity curled portion 122 that two subtends arrange for one end, and is also provided with the back-off 123 towards conductive contact 121 one end at the lateral wall of this splicing ear 12; Splicing ear 12 is fixedly arranged in center 11 with one end of its elasticity curled portion 122 direction down, and the end of elasticity curled portion 122 is exposed outside center 11, so that L shaped contact chip 24 inserts between the elasticity curled portion 122 of two subtends settings, for stoping splicing ear 12 oppositely to shift out from center 11 due to stressed when inserting L shaped contact chip 24, the barrier 111 that is preferably provided for stopping corresponding to the position of the end of back-off 123 at center 11, guarantee the reliability of contact, its concrete structure is participated in shown in Fig. 8; Pcb board 13 is fixedly mounted on center 11, and is pressed on two shell fragment shape conductive contacts 121 of splicing ear 12, forms and is electrically connected to, shown in Figure 7; Upper cover 14 is located at the top of pcb board 13 and is fixedly connected with center 11.
Two parts that are connected with pluggable mode that the utility model becomes to be comprised of with base body 2 product main body 1 by the product design of fire alarm front end.During project installation, only base body 2 first need be fixed on to the relevant position that needs installation, then directly the lead exposing is penetrated from through wires hole 25 and be pressed between pressure line terminal row 23 and L shaped contact chip 24 by connector, do not need product to reverse, after to be onstructed completing, again product main body 1 is pressed into and in base body 2, completes installation, now, L shaped contact chip 24 is not plugged between the elasticity curled portion 122 that two subtends of splicing ear 12 arrange by pressure line terminal row 23 one end of pushing down, and clamp and form being electrically connected between splicing ear and pressure line terminal by face vis-a-vis of these two elasticity curled portion, shown in Figure 6, while being inserted into splicing ear 12 due to L shaped contact chip 24, that two faces are all in contact, guaranteed the reliability of product contact.
Claims (4)
1. plug-in type connection terminal, comprise splicing ear, pressure line terminal and the L shaped contact chip that is electrically connected to described splicing ear and described pressure line terminal, one end of described L shaped contact chip is fixedly connected with described pressure line terminal by connector, the other end and described splicing ear are pegged graft, it is characterized in that: one end of described splicing ear is provided with two shell fragment shape conductive contacts, the other end is provided with the elasticity curled portion that two subtends arrange, described L shaped contact chip is plugged between the elasticity curled portion that described two subtends arrange and is clamped and formed being electrically connected between described splicing ear and described pressure line terminal by these two elasticity curled portion face vis-a-vis.
2. fire alarm front end product, it is characterized in that: in described fire alarm front end product, be provided with at least one group of plug-in type connection terminal claimed in claim 1, described fire alarm front end product comprises product main body and the insulator foot that is provided with operation display panel, described splicing ear is located in described product main body, described pressure line terminal is located in described insulator foot, described insulator foot is provided with the through wires hole that supply lines penetrates, and described product main body is by the grafting realization of described splicing ear and described L shaped contact chip and being connected of described insulator foot.
3. fire alarm front end product according to claim 2, it is characterized in that: described product main body comprises upper cover, pcb board and center, described splicing ear is fixedly arranged in described center with one end of its elasticity curled portion direction down, and the end of described elasticity curled portion is exposed outside described center, described pcb board is located at the top of described splicing ear and is electrically connected to two shell fragment shape conductive contacts of described splicing ear, is covered on the top of described pcb board and is fixedly connected with described center on described.
4. fire alarm front end product according to claim 3, it is characterized in that: the lateral wall of described splicing ear is provided with the back-off towards conductive contact one end, correspondingly, described center be provided be against described back-off end barrier for stoping described splicing ear to shift out from described center when inserting described L shaped contact chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320649409.7U CN203521700U (en) | 2013-10-20 | 2013-10-20 | Plug-in wiring terminal and fire disaster alarm front-end product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320649409.7U CN203521700U (en) | 2013-10-20 | 2013-10-20 | Plug-in wiring terminal and fire disaster alarm front-end product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203521700U true CN203521700U (en) | 2014-04-02 |
Family
ID=50380578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320649409.7U Expired - Lifetime CN203521700U (en) | 2013-10-20 | 2013-10-20 | Plug-in wiring terminal and fire disaster alarm front-end product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203521700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110176118A (en) * | 2019-05-16 | 2019-08-27 | 深圳市泛海三江电子股份有限公司 | Wiring terminal, fire alarm and wiring method |
-
2013
- 2013-10-20 CN CN201320649409.7U patent/CN203521700U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110176118A (en) * | 2019-05-16 | 2019-08-27 | 深圳市泛海三江电子股份有限公司 | Wiring terminal, fire alarm and wiring method |
| CN110176118B (en) * | 2019-05-16 | 2024-02-06 | 深圳市高新投三江电子股份有限公司 | Binding post, fire alarm and binding method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |
|
| CX01 | Expiry of patent term |