Earth leakage protective socket with Fender lock locking mechanism
Technical field
The present invention relates to a kind of earth leakage protective socket, be specifically related to a kind of earth leakage protective socket with Fender lock locking mechanism.
Background technology
Existing earth leakage protective socket; generally comprise housing, fixed contact, moving contact, reset button, with the tripping mechanism of reset button interlock and jack safety shield device etc.; tripping mechanism made moving contact and fixed contact conducting when reset button resetted; as application number is 200910083524.0 application for a patent for invention, discloses the connected mode and the course of action of fixed contact, moving contact, reset button and tripping mechanism.Existing receptacle sockets generally comprises two kinds: a kind of left and right sides jack is I shape, alternative left jack is an I shape and right jack is a T shape, be positioned at the conduction sleeve and the safety shield device of middle layer bracket below, middle layer bracket has and conducts electricity the corresponding guiding jack in sleeve position, safety shield device is used for guiding on the shutoff middle layer bracket conduction sleeve of jack and below, at the safety shield device of two I shape jacks such as the patent No. is that the retaining device that 200920223089.2 utility model patent is announced comprises right baffle-plate, right baffle plate, the spring and the base of fixedlying connected etc. with middle layer bracket, at the safety shield device of the right T shape of left I jack such as the patent No. is that the retaining device that 200920167808.3 utility model patent is announced comprises right baffle-plate, right baffle plate, be used for first spring that left baffle resets, the small front apron that is used for shutoff T shape hole, be used for second spring and resetting device that small front apron resets, the base of fixedlying connected etc. with middle layer bracket, when plug inserts baffle plate, two baffle plate unit stagger and expose the conduction sleeve of below, and the baffle plate unit seals the conduction sleeve when pulling the plug out of the socket under spring action.Baffle plate need cooperate lockable mechanism could realize the function of shutoff conduction sleeve, and the problem to be solved in the present invention provides a kind of Fender lock locking mechanism of reliable in action simple in structure.
Summary of the invention
At above-mentioned technical problem, the invention provides a kind of earth leakage protective socket with Fender lock locking mechanism, its lockable mechanism is simple in structure, reliable in action is good.
The technical scheme that realizes the object of the invention is:
Earth leakage protective socket with Fender lock locking mechanism, comprise housing, fixed contact, moving contact, reset button, tripping mechanism and jack safety shield device with the reset button interlock, tripping mechanism made moving contact and fixed contact conducting when reset button resetted, described jack safety shield device is provided with the Fender lock locking mechanism, the Fender lock locking mechanism comprises the baffle plate lock bolt that can reset certainly, the baffle plate lock bolt comprises check plate that can contact with baffle plate and the elasticity hook that bends downwards, described tripping mechanism comprises the moving contact mount pad, the elasticity hook of baffle plate lock bolt can contact with the moving contact mount pad, and elasticity hook and moving contact mount pad have the transition cambered surface respectively in the contact position; Have the protruding nail in location on the check plate, the baffle plate lateral wall has locking position and the location notch that cooperates with the protruding nail in location; When the moving contact mount pad contacted with baffle plate lock bolt elasticity hook, the protruding nail in the location on the check plate was resisted against on the baffle plate lateral wall locking position, the baffle plate locking; When moving contact mount pad and baffle plate lock bolt elasticity hook broke away from, Fender lock was latched under the mechanism's effect that resets and vertically moves, and the protruding nail in location of baffle plate lock bolt check plate is corresponding with baffle plate lateral wall location notch position, and baffle plate allows laterally to open.
As preferably, described baffle plate lock bolt runback position mechanism comprises the walking flexure strip that links to each other with baffle plate lock bolt bottom, and walking flexure strip free end is resisted against on the interior fixed bit of housing.
As another preferred version, described baffle plate lock bolt runback position mechanism comprises spring base that is positioned at baffle plate lock bolt bottom and the walking back-moving spring that is arranged at spring base, and the walking back-moving spring other end is resisted against on the interior fixed bit of housing.
The check plate of described baffle plate lock bolt and elasticity hook are integrally formed, elasticity hook upper end has pedestal, pedestal and check plate junction have positioning step, it is concordant that positioning step and check plate are located protruding nail end face, during the baffle plate locking, the baffle plate lateral wall touches with positioning step and the protruding nail joint in location respectively, and elasticity hook pedestal top has material demoulding hole.
As preferably, described moving contact mount pad comprises release and the pad that resets, and described release has adjutage, and the release adjutage can contact with the elasticity hook of baffle plate lock bolt.
As another preferred version, described moving contact mount pad comprises release and the pad that resets, and the described pad that resets has adjutage, and the pad adjutage that resets can contact with the elasticity hook of baffle plate lock bolt.
For making compact conformation, described housing comprises the loam cake that has jack, base and as the middle layer bracket of plate washer lockable mechanism pedestal, the check plate lateral surface of baffle plate lock bolt and loam cake below frame inner edge are fitted.
For guaranteeing that baffle plate operates steadily, at least one side of elasticity hook pedestal of described baffle plate lock bolt is provided with alignment pin, is provided with middle layer bracket in the described housing, and middle layer bracket is provided with and keeps off the positioning runner that elasticity hook pedestal alignment pin cooperates.
Further, described middle layer bracket also is provided with the location hook, and hook lower surface, location cooperates the location with reset button adjutage upper surface.
At the supply socket of the two I shape jacks of band, more stable for guaranteeing operation, described jack safety shield device comprises right baffle-plate and right baffle plate, and right baffle-plate and right baffle plate are provided with one group of Fender lock locking mechanism at least.
At the supply socket of band T shape jack, described jack safety shield device comprises right baffle-plate, right baffle plate and small front apron, and small front apron is positioned at right baffle plate below, one group of Fender lock locking mechanism of described right baffle-plate arranged outside.
Beneficial effect of the present invention mainly shows: baffle plate cooperates with lockable mechanism, prevents to misplug into causing electric shock accidents to take place, and is safe in utilization; Release when Fender lock is latched in tripping mechanism and takeoffs only just allows to insert plug when dynamic and static contact conducting; Lockable mechanism provides cushion space for the moving contact mount pad, and tripping mechanism takeoffs and damages the baffle plate lock bolt when preventing effectively that plug from not extracting; Lockable mechanism operates steadily, reliable in action.
Description of drawings
Fig. 1 is the three-dimensional decomposition texture schematic diagram of the embodiment of the invention one;
Fig. 2 is the assembly structure schematic diagram of the baffle plate lock bolt of the embodiment of the invention one safety shield device and band walking back-moving spring;
Fig. 2-the 1st, the assembly structure schematic diagram of the baffle plate lock bolt of the embodiment of the invention one safety shield device and band walking flexure strip;
Fig. 3 is the decomposition texture schematic diagram of the baffle plate lock bolt of the embodiment of the invention one safety shield device and band walking back-moving spring;
Fig. 3-the 1st, the decomposition texture schematic diagram of the baffle plate lock bolt of the embodiment of the invention one safety shield device and band walking flexure strip;
Fig. 4 is the embodiment of the invention one bowing to structural representation of (removing loam cake) under the baffle plate lockup state;
Fig. 5 is the embodiment of the invention one (is removed loam cake) under the baffle plate lockup state a side direction structural representation;
Fig. 6 is the embodiment of the invention one bowing to structural representation of (removing loam cake) under the baffle plate released state;
Fig. 7 is the embodiment of the invention one (is removed loam cake) under the baffle plate released state a side direction structural representation;
Fig. 8 is the three-dimensional decomposition texture schematic diagram of the embodiment of the invention two;
Fig. 9 is the assembly structure schematic diagram of the embodiment of the invention two safety shield devices and baffle plate lock bolt;
Figure 10 is the decomposition texture schematic diagram of the embodiment of the invention two safety shield devices and baffle plate lock bolt;
Figure 11 is the embodiment of the invention two bowing to structural representation of (removing loam cake) under the baffle plate lockup state;
Figure 12 is the embodiment of the invention two (is removed loam cake) under the baffle plate lockup state a side direction structural representation;
Figure 13 is the embodiment of the invention two bowing to structural representation of (removing loam cake) under the baffle plate released state;
Figure 14 is the embodiment of the invention two (is removed loam cake) under the baffle plate released state a side direction structural representation.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done and to describe in further detail:
Embodiment one
Referring to figs. 1 through Fig. 7; present embodiment at be that left jack is I shape hole; right jack is the supply socket in T shape hole; earth leakage protective socket with Fender lock locking mechanism; comprise that (housing comprises loam cake and base to housing; loam cake 1 only is shown) among Fig. 1; has the reset button 2 of adjutage 2B and by right baffle-plate 7; right baffle plate 8; the jack safety shield device that small front apron 16 and baffle plate back-moving spring 9 are formed; be provided with middle layer bracket 13 in the housing; conductive metal sheet 14 and conductive metal sheet 15; conductive metal sheet 14 is provided with conduction sleeve 14A; conductive metal sheet 15 is provided with conduction sleeve 15A; have on the middle layer bracket 13 and conduct electricity sleeve 14A; the guiding jack of conduction sleeve 15A position correspondence; the guiding jack exposes can expose conduction sleeve 14A; 15A, jack safety shield device are provided with the Fender lock locking mechanism with reset button 2 interlocks.
Because right baffle-plate 7 has locking step 7E, right baffle plate 8 belows are provided with small front apron 16, the conduction sleeve of below just can expose when having only left baffle and small front apron all to be strutted by the plug conducting inserted sheet, thus only need to a baffle plate be provided with lockable mechanism can guarantee to conduct electricity sleeve do not mispluged into.In the present embodiment, earth leakage protective socket has two groups of jacks, first group of jack safety shield device and second group of jack safety shield device all are provided with lockable mechanism in right baffle-plate 7 positions, the Fender lock locking mechanism comprises the baffle plate lock bolt 6 that can reset certainly, baffle plate lock bolt 6 comprises check plate 6B that can contact with baffle plate and the elasticity hook 6A that bends downwards, tripping mechanism is 200910083524.0 application for a patent for invention with reference to application number, comprise the moving contact mount pad, electromagnetic trip mechanism 22 etc., the moving contact mount pad comprises the release 21 and the pad 20 that resets, in the present embodiment, release 21 has adjutage 21A, release adjutage 21A can contact with the elasticity hook 6A of baffle plate lock bolt, elasticity hook 6A end has the transition cambered surface, and the release adjutage 21A of moving contact mount pad has the transition cambered surface with contact position elasticity hook 6A; Check plate 6B has the protruding nail 6C in location, and the baffle plate lateral wall has the location notch 7G that cooperates with location protruding nail 6C; When the release adjutage 21A of moving contact mount pad contacted with baffle plate lock bolt elasticity hook, the protruding nail 6C of the location on the check plate 6B was resisted against on right baffle-plate 7 lateral walls one effective position location 7F, right baffle-plate 7 lockings; When release adjutage 21A and baffle plate lock bolt elasticity hook 6A break away from, Fender lock is latched under the mechanism's effect that resets and vertically moves, the location protruding nail 6C of baffle plate lock bolt check plate is corresponding with baffle plate lateral wall location notch 7G position, right baffle-plate lateral wall location notch 7G can be along the location of baffle plate lock part protruding nail 6C linear slide, left baffle can laterally move, and baffle plate allows laterally to open.
The baffle plate lock bolt runback position mechanism of present embodiment has two kinds, shown in Fig. 2 and Fig. 3 is the mechanism that resets certainly that spring and spring base cooperate, comprise the walking back-moving spring 12 that is positioned at baffle plate lock bolt 6 bottom spring base 6E and is arranged at spring base 6E, walking back-moving spring 12 other ends are resisted against on the interior fixed bit of housing.Shown in Fig. 2-1 and Fig. 3-1 is the flexure strip structure, and walking flexure strip 6E links to each other with baffle plate lock bolt 6 bottoms, and walking flexure strip free end is resisted against on the interior fixed bit of housing.Certainly, the mechanism that resets certainly is not limited to this two kinds of forms.The thrust of elasticity hook 6A is greater than the thrust of walking flexure strip 6E or back-moving spring 12, another purpose that elasticity hook 6A is set is to provide cushion space for the moving contact mount pad, because the user may takeoff by tripping mechanism under the situation that plug is not extracted, if the baffle plate lock bolt contacts with moving contact mount pad rigidity then might damage lock bolt, even tripping mechanism still can not takeoff smoothly when plug was extracted behind the elasticity hook 6A, elasticity hook 6A compression, after plug is extracted, left baffle is drawn under baffle plate flexure strip 6E or back-moving spring 9 compressed effects, lock bolt is got back to the state that location protruding nail 6C and right baffle-plate 7 lateral walls are replaced, right baffle-plate 7 lockings under the effect of elasticity hook 6A.
The check plate 6B and the elasticity hook 6A of baffle plate lock bolt are integrally formed, elasticity hook 6A upper end has pedestal, and pedestal and check plate junction have positioning step, and positioning step is concordant with the protruding nail 6C end face in check plate location, during the baffle plate locking, the baffle plate lateral wall touches with positioning step and the protruding nail joint in location respectively; The spring base 6E of walking flexure strip 6E or back-moving spring 12 is positioned at elasticity hook pedestal below, elasticity hook pedestal top has material demoulding hole 6F, material demoulding hole 6F is set saves the material weight reduction, prevent the distortion of elasticity hook pedestal simultaneously, effectively increase the service life.For making the stable of compact conformation and baffle plate lock bolt, housing comprises the loam cake that has jack, base and as the middle layer bracket of plate washer lockable mechanism pedestal, the check plate 6B lateral surface of baffle plate lock bolt and loam cake 1 below frame inner edge are fitted.
Course of action is as follows: under the initial condition, the release adjutage 21A of moving contact mount pad contacts with the elasticity hook 6A of baffle plate lock bolt, because the thrust of elasticity hook 6A is greater than the thrust of walking flexure strip 6E or back-moving spring 12, walking flexure strip 6E or back-moving spring 12 are compressed, locating protruding nail 6C contacts with the effective position location 7F of right baffle-plate 7 lateral surfaces, right baffle-plate 7 lockings are with reference to Fig. 4 and shown in Figure 5; Press reset button 2, tripping mechanism takeoffs, the release adjutage 21A of moving contact mount pad and baffle plate lock bolt running part 6A break away from, moving contact and fixed contact conducting, and baffle plate lock bolt 6 vertically moves away from reset button under the effect of walking flexure strip 6E or back-moving spring 12, when arriving range, locate protruding nail 6C and arrive and the corresponding position of right baffle-plate lateral surface location notch 7G, as shown in Figure 6 and Figure 7, further insert plug down this moment, baffle plate is opened, and exposes the conduction sleeve of below.
Embodiment two
With reference to Fig. 8 to Figure 14, present embodiment equally at be the left side for I shape jack right side be the supply socket of T shape jack, be provided with middle layer bracket 13 and conductive metal sheet 14 and conductive metal sheet 15 in the housing, conductive metal sheet 14 is provided with I shape conduction sleeve 14A, conductive metal sheet 15 is provided with T shape conduction sleeve 15A, have corresponding guiding jack on the middle layer bracket 13 with I shape conduction sleeve 14A and T shape conduction sleeve 15A position, the guiding jack exposes can expose the conduction sleeve, in the present embodiment, the jack safety shield device comprises right baffle-plate 7, right baffle plate 8 and small front apron 16, small front apron 16 is positioned at right baffle plate 8 belows.Tripping mechanism comprises moving contact mount pad, electromagnetic trip mechanism 22 etc., the moving contact mount pad comprises the release 21 and the pad 20 that resets, different with embodiment one is: the pad 20 that resets has adjutage 20A, the pad adjutage 20A that resets can contact with the elasticity hook 6A of baffle plate lock bolt, elasticity hook 6A end has the transition cambered surface, and the pad adjutage 20A that resets of moving contact mount pad has the transition cambered surface with contact position elasticity hook 6A; Check plate 6B has the protruding nail 6C in location, and the baffle plate lateral wall has locking position 7F and the location notch 7G that cooperates with location protruding nail 6C; When the pad adjutage 20A that resets of moving contact mount pad contacted with baffle plate lock bolt elasticity hook, the protruding nail 6C of the location on the check plate 6B was resisted against on right baffle-plate 7 lateral walls one effective position location 7F, and right baffle-plate 7 lockings are with reference to Figure 11 and state shown in Figure 12; When resetting pad adjutage 20A and baffle plate lock bolt elasticity hook 6A disengaging, Fender lock is latched under the mechanism's effect that resets and vertically moves, the location protruding nail 6C of baffle plate lock bolt check plate is corresponding with baffle plate lateral wall location notch 7G position, right baffle-plate lateral wall location notch 7G can be along the location of baffle plate lock part protruding nail 6C linear slide, left baffle can laterally move, baffle plate allows laterally to open, with reference to Figure 13 and state shown in Figure 14.
For easy to assembly, at least one side is provided with alignment pin 6H on the elasticity hook pedestal of baffle plate lock bolt, middle layer bracket 13 is provided with the positioning runner 13D that cooperates with baffle plate lock bolt elasticity hook pedestal alignment pin 6H, the fit structure of alignment pin and positioning runner can prevent effectively that Fender lock from latching down and rock, and guarantees that the baffle plate lock bolt is stable.For guaranteeing that further the baffle plate lock bolt operates steadily, middle layer bracket 13 also is provided with location hook 13C, and hook 13C lower surface, location cooperates the location with reset button adjutage 2B upper surface.
Though the present invention illustrates and describes by the reference preferred embodiment,, those of ordinary skills should understand, and can be not limited to the description of the foregoing description, in the scope of claims, can do the various variations on form and the details.