CN209675530U - A kind of electric connecting sheet on fire product - Google Patents

Abstract

The electric connecting sheet that the utility model discloses a kind of on fire product, including sequentially connected first elastic contact arm, sheet noumenon and the second elastic contact arm, second elastic contact arm extends obliquely upward to be formed from sheet noumenon, and second elastic contact arm is equipped with arc-shaped contact part far from sheet noumenon one end.By the improvement of above structure, the first elastic contact arm can not need to weld, simplify assembly program, reduce costs with connecting terminal elastic connection, the second elastic contact arm with pcb board elastic connection.

Description

A kind of electric connecting sheet on fire product

Technical field

The utility model relates to fire-fighting domain, especially a kind of electric connecting sheet on fire product.

Background technique

Many fire products, such as detector, alarm, emergency light on the market etc. can all use electric connecting sheet, electricity The effect of connection sheet is that electrical connection pcb board and connecting terminal, current electric connecting sheet are a plates, electric connecting sheet Vertical Square Upward both ends are mutually welded with connecting terminal, pcb board respectively, and this electric connecting sheet has some disadvantages: being welded It connects, causes assembly program complicated, it is at high cost.

Summary of the invention

In order to solve above-mentioned the deficiencies in the prior art, the purpose of the utility model is to provide a kind of on fire product Electric connecting sheet, not needing welding can be electrically connected with other component realization, can simplify assembly program, reduce cost.

To achieve the goals above, a kind of electric connecting sheet on fire product designed by the utility model, including Sequentially connected first elastic contact arm, sheet noumenon and the second elastic contact arm, second elastic contact arm is from sheet Ontology extends obliquely upward to be formed, and second elastic contact arm is equipped with arc-shaped contact part far from sheet noumenon one end.

Further, first elastic contact arm and the second elastic contact arm are located at sheet noumenon two sides.

Further, first elastic contact arm includes sequentially connected interconnecting piece, limiting section and contact portion, the company Socket part is connect with sheet noumenon.

Further, the contact portion is V-shaped.

Further, the interconnecting piece is vertical with sheet noumenon connect.

Further, the sheet noumenon is equipped with fixed part, and the fixed part includes first through hole, in the first through hole Equipped with a pair of of elastic piece, the pair of elastic piece is tilted upward from sheet noumenon to be extended to form, and between the pair of elastic piece It is gradually shortened away from from bottom to top.

Further, the fixed part further includes several second through-holes, is equipped with several abutting muscle in second through-hole.

Further, the first through hole is located at sheet noumenon center, and second through-hole is distributed in first through hole periphery.

Compared with prior art, the utility model has the beneficial effects that by the improvement of above structure, the first Elastic Contact Arm can not needed to weld, be simplified with connecting terminal elastic connection, the second elastic contact arm with pcb board elastic connection Assembly program reduces costs.

Detailed description of the invention

Fig. 1 is the structural schematic diagram after electric connecting sheet and connecting terminal assembling.

Fig. 2 is the explosive view of Fig. 1.

Fig. 3 is the structural schematic diagram of connecting terminal.

Fig. 4 is the structural schematic diagram of another angle of Fig. 3.

Fig. 5 is the structural schematic diagram of another angle of Fig. 3.

Fig. 6 is the explosive view of Fig. 3.

Fig. 7 is the structural schematic diagram of conductive sheet.

Fig. 8 is the structural schematic diagram of electric connecting sheet.

Fig. 9 is the structural schematic diagram of middle seat.

Figure 10 is the partial enlarged view of A in Fig. 9.

Specific embodiment

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in Fig. 1 ~ 10, a kind of electric connecting sheet and connecting terminal components for fire product, including electric connecting sheet 4 with Connecting terminal 3, the electric connecting sheet 4 are fixedly arranged in middle seat 2, and the connecting terminal 3 is fixedly arranged on pedestal 1, on general middle seat 2 Electric connecting sheet 4 has multiple, and the connecting terminal 3 on pedestal 1 also has multiple, and the middle seat 2 is located in pedestal 1 and opposite pedestal 1 revolves After turning certain angle, the electric connecting sheet 4 abuts one by one with connecting terminal 3, so that electric connecting sheet 4 be made to be electrically connected with connecting terminal 3 It connects.Pcb board can be set on the electric connecting sheet 4, and lid sets upper cover above it, upper cover is fixedly connected with pedestal 1, and composition disappears Anti- product, this composite structure are suitable for the fire products such as detector, combined aural and visual alarm and emergency light.

In the present embodiment, the pedestal 1 is one round, and the connecting terminal 3 is embedded on pedestal 1, the connecting terminal 3 Including conductive sheet 5, screw 6 and crimping gasket 7, the conductor strip 5 includes ontology 51, and the ontology 51 is equipped with flanging bore 52, the flange of the flanging bore 52 is located at the lower end of ontology 51, is equipped in matching with the screw 6 in the flanging bore 52 Screw thread, riveting deforms to form anti-delinking part 61 after described 6 one end of screw passes through the flanging bore 52, the cross section of the anti-delinking part 61 Area is greater than the hole area of flanging bore 52.

The ontology 51 is equipped at least one and bends downward the inserted sheet 53 of extension, and the inserted sheet 53 is inserted in pedestal 1, The inserted sheet 53 is equipped with sawtooth 531, and inserted sheet 53 is enable firmly to be plugged in pedestal 1.

51 side of ontology is equipped with connection sheet 54, and in the present embodiment, the connection sheet 54 and ontology 51 are positioned at same Plane, the connection sheet 54 are equipped with the conductive contact film 55 of perpendicular connection, and conductive contact film in the prior art is often Be it is directly vertical with ontology 51 connect, in the present embodiment, 51 side of ontology be arranged a connection sheet 54, make conductive contact film 55 It is mutually staggered with ontology 51, facilitates the assembly operation of external wire and connecting terminal.

In the present embodiment, the conductive contact film 55 includes sheet body 551, and the sheet body 551 is vertical with connection sheet 54 to be connect, The sheet body 551 is equipped with guide pin 552 far from 51 side of ontology, and the guide pin 552 is obliquely installed with sheet body 551, and described Body 551 is equipped with compensating plate 553 close to 41 side of ontology, and 553 upper end of compensating plate is flush with 551 upper end of sheet body, the benefit The height for repaying piece 553 is less than the height of sheet body 551, and the sheet body 551, guide pin 552 and compensating plate 553 are structure as a whole. Since the opposite pedestal 1 of middle seat 2 rotates by a certain angle, the electric connecting sheet 4 goes to sheet body 551, compensating plate along guide pin 552 553 can to prevent middle seat 2 from rotating angle slightly excessive, is separated with conductive contact film 55, guarantee conductive contact film be electrically connected The abutting of piece.

The electric connecting sheet 4 includes sheet noumenon 41, the first elastic contact arm 42 and the second elastic contact arm 43, described Sheet noumenon 41, the second elastic contact arm 43 and the first elastic contact arm of part 42 are located in middle seat 2, the first elastic connecting of part Contact arm 42 is located at outside middle seat 2, and in the present embodiment, first elastic contact arm 42 and the second elastic contact arm 43 are located at piece 41 two sides of shape ontology.

First elastic contact arm 42 includes sequentially connected interconnecting piece 421, limiting section 422 and contact portion 423, institute It is perpendicular with sheet noumenon 41 and be fixedly connected to state interconnecting piece 421, the contact portion 423 is supported with 55 side elastic of conductive contact film It connects.In the present embodiment, the contact portion 423 is V-shaped.Contact portion 423 in first elastic contact arm 42 is along guide pin 552 slide and abut with 551 side elastic of sheet body, are no longer electrically connected with the top of conductive contact film 55, can reduce electrical connection Height after piece 4 and the assembling of connecting terminal 3 saves taking up space for fire product, and 551 elasticity of contact portion 423 and sheet body It abuts, it is no longer necessary to weld, can simplify assembly program, reduce cost.

The periphery of the middle seat 2 is equipped with several first caulking grooves 21 and several second caulking grooves 22, first caulking groove 21 with Second caulking groove 22 corresponds, and first caulking groove 21 and the quantity of the second caulking groove 22 are consistent with the quantity of electric connecting sheet. The limiting section 422 is arranged in the first caulking groove 21, and the interconnecting piece 421 is located in middle seat 2, and the contact portion 423 is far from limit 422 one end of portion is embedded in the second caulking groove 22, and the contact portion 423 with 551 side of sheet body when abutting, the contact portion 423 Close to interconnecting piece 421, the contact portion 423 is gradually extend into middle seat 2 far from 422 one end of limiting section.

Second elastic contact arm 43 extends obliquely upward to be formed from sheet noumenon 41, and second elastic contact arm 43 can To be located at right above sheet noumenon 41, can not also be located at right above sheet noumenon 41, second elastic contact arm 43 is separate 41 one end of sheet noumenon is equipped with arc-shaped contact part 431, and the arc-shaped contact part 431 abuts with pcb board elasticity, do not need to pass through weldering The fixed electric connecting sheet of the mode connect and pcb board, simplify assembling degree, reduce costs.

The sheet noumenon 41 is equipped with fixed part, and the fixed part includes that a first through hole 411 and several second are logical Hole 412, the first through hole 411 are equipped with a pair of of elastic piece 413, and the pair of elastic piece 413 is tilted towards from sheet noumenon 41 On extend to form, and the spacing of the pair of elastic piece 413 is gradually shortened from bottom to top, and the pair of elastic piece 413 is located at the One through-hole, 411 top, the middle seat 2 are equipped with a fixed column 23 and several columns 24, and the fixed column 23 passes through first through hole 411, the pair of elastic piece 413 is located at 23 two sides of fixed column and abuts with 23 two-side elastic of fixed column, the column 24 Be arranged in the second through-hole 412 one by one, be equipped with several abuttings muscle 4121 in second through-hole 412, the abutting muscle 4121 and The column being arranged in the second through-hole 412 abuts against.In the present embodiment, the first through hole 411 is located at 41 center of sheet noumenon Position, several second through-holes 412 are distributed in 411 periphery of first through hole.

In order to preferably fix electric connecting sheet 4,23 upper end of fixed column is equipped with boss 25, the boss 25 and fixed column It is formed between 23 and abuts platform 26, the pair of elastic piece 413 is abutted against with platform 26 is abutted, and can prevent sheet noumenon 41 and middle seat 2 are separated, and the side of corresponding a pair of of the elastic piece 413 of the boss 25 is equipped with the inclined surface 251 of guiding, facilitate electric connecting sheet 4 With the assembling of middle seat 2.

Claims (8)

1. a kind of electric connecting sheet on fire product, it is characterised in that: including sequentially connected first elastic contact arm, piece Shape ontology and the second elastic contact arm, second elastic contact arm extend obliquely upward to be formed from sheet noumenon, and described second Elastic contact arm is equipped with arc-shaped contact part far from sheet noumenon one end.

2. the electric connecting sheet according to claim 1 on fire product, it is characterised in that: first Elastic Contact Arm and the second elastic contact arm are located at sheet noumenon two sides.

3. the electric connecting sheet according to claim 1 on fire product, it is characterised in that: first Elastic Contact Arm includes sequentially connected interconnecting piece, limiting section and contact portion, and the interconnecting piece is connect with sheet noumenon.

4. the electric connecting sheet according to claim 3 on fire product, it is characterised in that: the contact portion is V-shaped.

5. the electric connecting sheet according to claim 3 on fire product, it is characterised in that: the interconnecting piece and sheet Ontology vertically connects.

6. the electric connecting sheet according to claim 1 on fire product, it is characterised in that: set on the sheet noumenon There is fixed part, the fixed part includes first through hole, and the first through hole is equipped with a pair of of elastic piece, and the pair of elastic piece is certainly Sheet noumenon, which tilts upward, to be extended to form, and the spacing of the pair of elastic piece is gradually shortened from bottom to top.

7. the electric connecting sheet according to claim 6 on fire product, it is characterised in that: the fixed part further includes Several second through-holes, second through-hole is interior to be equipped with several abutting muscle.

8. the electric connecting sheet according to claim 7 on fire product, it is characterised in that: the first through hole is located at Sheet noumenon center, second through-hole are distributed in first through hole periphery.