CN2620039Y - Safety shackle for door - Google Patents

Abstract

The utility model provides a door safety lock catch, comprising a lock catch element, and a fixer. The lock catch element is a flat bar. A plugboard is arranged on one side of the lock catch element, and a slide groove is arranged on the other side of the lock catch element. A serial of fixed ratchets arranged on the lateral side of the slide groove. The fixer comprises a bottom plate, on one end of which a riser is arranged, the width of the bottom plate exactly slides into the slide groove of the lock catch element; a cam hole is arranged on the surface of the movable plate, a pin hole is arranged on one end of the movable plate, and movable ratchets are correspondingly arranged on the other end; a pole is arranged under the button, and passes through the cam hole of the movable plate; the shell is provided with a through hole and a pivot is arranged under the shell, the shell is covered on the bottom plate, the pivotally connects the movable plate on the bottom plate by passing through the pin hole of the movable plate, the button through out from the through hole; a first spring is arranged on the internal face of the shell and on one side of the movable ratchets opposite the movable plate; and a second spring is arranged between the internal face of the shell and the lateral wall of the button, which can fully tighten the door, and can not be opened from outside, ensuring the safety of residence.

Description

The door secure latch

One, technical field

The utility model relates to lockset, relates in particular to a kind of door secure latch.

Two, background technology

In order to make the people who lives in the room obtain further safety guarantee, the door of general restaurant, hotel and general cell dwelling house, all between the Men Tiyu doorframe, secure latch is set, when this latches in the padlock state, the door suitable space that can only be unlocked, can not complete opening, allow people in the room debate the messenger who knows the outside, room from the little space of opening after, whether decision opens door again.

Existing secure latch roughly comprises two kinds, a kind of is to fix a chain at doorframe, one end of this chain is provided with a button, in addition one holder with chute is set, when the door body is closed, button can be slipped in the chute of this holder at the door body, chain is connected between the Men Tiyu doorframe, when the door body is opened, can't significantly open wide owing to the restriction of chain, only can keep a suitable space.Another secure latch, it comprises that one has the button bar and a clasp of fluting, this button bar is coupling on doorframe, clasp is fixed on the body, when the door body is closed, can rotate button bar and make clasp slip into fluting on the button bar, when the door body is turned on to the limit of button bar end, allow clasp be subjected to the restriction of button bar and can't open wide significantly, only can keep a suitable space.

The shortcoming of aforementioned two kinds of existing secure latchs is, though can't allow a body be unlocked fully, when but the door body is unlocked a slit, messenger outside the room still can stretch into destructive instrument in the body and chain be cut off or button bar is destroyed in the inlet chamber of back, particularly ought be away from home, lodging when not knowing that who can hold the key of house, increases people's sense of insecurity especially when general hotel.

Three, summary of the invention

Main purpose of the present utility model is to overcome the above-mentioned shortcoming that existing product exists, and provides a kind of to use secure latch, and it can fasten the door body fully and can not be unlocked outside being, with the safety of guaranteeing to live.

The purpose of this utility model is realized by following technical scheme.

The utility model door secure latch comprises catch member, fixator; It is characterized in that described catch member is a plate body, a side of this catch member is provided with plate, and relative another side is provided with chute, and the sidewall of this chute is provided with fixedly ratchet of series; Described fixator comprises: a base plate, and the one end is provided with a riser, and the width of this base plate just can slip into the chute of catch member; One portable plate, its plate face is provided with a cam hole, and an end of this portable plate is provided with the pivot hole, and the relative other end is provided with a movable ratchet; One button is provided with a roofbolt below it, and this roofbolt penetrates in the cam hole of portable plate; One shell, it is provided with through hole, is provided with a pivot below the shell, and shell is covered on the base plate, and the pivot hole that pivot passes portable plate is articulated on the base plate portable plate, and button passes through hole; One first spring is located at outer casing inner wall face and portable plate in contrast between the side of movable ratchet; Second spring is located between outer casing inner wall face and the button side walls.

The purpose of this utility model can also further realize by following technical measures.

Aforesaid door secure latch, chase was formed under wherein the chute of catch member was reached by last chase, and the vertical wall edge of last chase is provided with fixedly ratchet of series.

Aforesaid door secure latch, wherein riser is in conjunction with being provided with external member.

Aforesaid door is used secure latch, and wherein the side that portable plate is opposite with movable ratchet is provided with protuberance, this protuberance fit first spring.

Aforesaid door is used secure latch, and wherein cam hole is leg-of-mutton hole.

Aforesaid door is used secure latch, and wherein the sidewall of button is provided with a shrinkage pool, and second spring is inserted in this shrinkage pool.

Four, description of drawings

Fig. 1 is the utility model catch member and fixator three-dimensional decomposing schematic representation.

Fig. 2 is the utility model fixator stereochemical structure decomposing schematic representation.

Fig. 3 is the combining structure schematic diagram that the utility model fixator slips into catch member.

Fig. 4 is the utility model fixator push action view.

Fig. 5 is the utility model catch member and doorframe lockhole combining structure decomposing schematic representation.

Fig. 6 is the schematic diagram after the utility model catch member and the combination of doorframe lockhole.

Fig. 7 is after the utility model catch member and the combination of doorframe lockhole and the enforcement view of closing the door.

Fig. 8 is that the utility model overall structure is implemented view.

Number in the figure explanation: 1 catch member, 11 plates, chase on 12,121 fixing ratchets, 13 times chases, 2 fixators, 21 base plates, 211 risers, 212 pivot holes, 213 holes, 214 lugs, 215 through holes, 22 external members, 23 portable plates, 231 perforation, 232 cam holes, 233 movable ratchets, 234 protuberances, 235 first springs, 24 buttons, 241 grooves, 242 shrinkage pools, 243 roofbolts, 244 second springs, 25 shells, 251 through holes, 252 pivots, 3 doorframes, 31 lockholes, 4 bodies.

Five, the specific embodiment

Consult shown in Figure 1ly, the utility model door secure latch comprises catch member 1, fixator 2; Wherein, described catch member 1 is the rigid slab lamellar body, one side of this catch member 1 is provided with the plate 11 that is positioned at relative both sides near the end, the ultimate range of this two plate 11 generally is located at lockhole 31 (shown in Figure 5) internal diameter of doorframe 3 no better than, be provided with the chute of being made up of last chase 12 and following chase 13 with the another side of plate 11 rightabout catch member 1, the vertical wall edge of wherein going up chase 12 is provided with fixedly ratchet 121 of series.

Consult shown in Figure 1ly, fixator 2 of the present utility model is that the end at shell 25 is provided with an external member 22, and the appropriate location of shell 25 is provided with a button 24, and the other end of shell 25 is provided with a hanging hole 215, hangs nail or hook at wall by hanging hole 215.

Consult shown in Figure 2ly, fixator 2 of the present utility model includes: a base plate 21, an external member 22, a portable plate 23, a button 24, a shell 25, one first springs 235 and one second spring 244; Base plate 21 1 ends wherein are provided with a riser 211 vertical with base plate 21 in the mode of bending forming, the width of this base plate 21 just can slip into the chute (promptly going up chase 12 and following chase 13) of catch member 1, base plate 21 is provided with pivot hole 212 and several holes 213 that are positioned at the appropriate location, base plate 21 and the riser 211 relative other ends are integrally formed with a lug 214, and this lug 214 is provided with a hanging hole 215; External member 22 is supported by soft material, and its lower end is provided with and riser 211 thickness and the corresponding slotted eye (not shown) of the degree of depth, riser 211 is inserted the slotted eye of external member 22, external member 22 and riser 211 is combined; This portable plate 23 be provided with a cam hole 232 near plate face one end, this cam hole 232 adopts similar leg-of-mutton hole in the present embodiment, the other end of portable plate 23 is provided with perforation 231, one side near cam hole 232 is provided with a movable ratchet 233, one side opposite with movable ratchet 233 is provided with a protuberance 234, and this protuberance 234 is nested with first spring 235; This button 24 has a horizontally extending block, the block vertical wall is provided with a groove 241, another vertical wall of button 24 is provided with a shrinkage pool 242, insert second spring 244 in this shrinkage pool 242, button 24 lower end vertical extent are provided with a roofbolt 243, and this roofbolt 243 penetrates in the cam hole 232 of portable plate 23; One shell 25 is provided with the through hole 251 that passes for button 24, is provided with a vertically extending pivot 252 below the shell 25; During fixator 2 combinations, earlier second spring 244 is inserted in the shrinkage pool 242 of button 24, again button 24 is passed the through hole 251 of shell 25, the other end that makes second spring 244 is to pulling at the internal face of shell 25, then portable plate 23 is placed in the shell 25, the perforation 231 that allows pivot 252 pass portable plate 23 makes the roofbolt 243 that is located at button 24 pass the cam hole 232 of portable plate 23 simultaneously; One end of first spring 235 is nested with at protuberance 234, the other end supports the internal face and first spring 235 of pulling at shell 25 and is contained in the groove 241 of button, at last shell 25 and base plate 21 are laminated with, make pivot 252 pass the pivot hole 212 of base plate 21, pass each hole 213 of base plate 21 with the screw (not shown) and lock the screw (not shown) that shell 25 is provided with below again, make shell 25 fixing in base plate 21.

Consult Fig. 3, shown in Figure 4, when the last chase 12 of catch member 1 and following chase 13 are slipped in the both sides of fixator 2 base plates 21, outstanding movable ratchet 233 is owing to the less reason of a skew back degree, can with series fixedly ratchet 121 contact and bounce, up to movable ratchet 233 clips fixing ratchet 121 back (shown in Figure 3) therein, owing to being subjected to the movable ratchet 233 and the fixing reason of the big gradient clip of ratchet 121 opposite sides, and fixator 2 can't be shifted out catch member 1 from original path, when pressing button 24, because roofbolt 243 acts on the edge of cam hole 232, cause portable plate 23 to be pushed and be center and deflection with pivot 252, and then make movable ratchet 233 and fixedly ratchet 121 disengagings (shown in Figure 4), allow fixator 2 shift out catch member 1 from original path.

Consult Fig. 5, Fig. 6, Fig. 7, shown in Figure 8, when the utility model uses, at first the plate 11 of catch member 1 is located at lockhole 31 (Fig. 5 of doorframe 3 sides, shown in Figure 6), then door body 4 is closed, catch member 1 is clamped between a body 4 and the doorframe 3 (shown in Figure 7), again base plate 21 both sides of fixator 2 are slipped into the chute of catch member 1, prop up a body 4 (shown in Figure 8) up to external member 22, at this moment, because fixator 2 is because movable ratchet 233 and the fixedly clip effect of ratchet 121, can't shift out from catch member 1, thus door body 4 can be supported fully and pull and can not be opened, if door body 4 is opened, at the necessary first pressing button 24 of indoor people, allow movable ratchet 233 and fixing ratchet 121 break away from, fixator 2 could be shifted out from catch member 1, and then open a door body 4.

The utility model has the advantages that, catch member one side is provided with the lockhole that plate can insert doorframe, the another side of catch member is provided with the fixedly chute of ratchet of series is set at an edge at least, fixator is provided with portable plate between shell and base plate, button, first spring, second spring, the heterodoxy that changes base plate is provided with riser, base plate slips into the chute of catch member, riser is supported pull at door body place, promote portable plate by first spring, make the movable ratchet that is located at portable plate be entrenched in fixedly ratchet, to prevent that a body is open, when pressing button, the roofbolt that then is located at button can be stirred portable plate and movable ratchet is separated with fixing ratchet, and then fixator taken out from catch member, when waiting to decontrol button, then by first spring and second spring respectively with portable plate and button homing, so door body safety can be fastened and can not open outside being, the people's that guarantees to live safety.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims (6)

1, uses secure latch for a kind of, comprise catch member, fixator; It is characterized in that described catch member is a plate body, a side of this catch member is provided with plate, and relative another side is provided with chute, and the sidewall of this chute is provided with fixedly ratchet; Described fixator comprises: a base plate, and the one end is provided with a riser, and the width of this base plate just can slip into the chute of catch member; One portable plate, its plate face is provided with a cam hole, and an end of this portable plate is provided with the pivot hole, and the relative other end is provided with a movable ratchet; One button is provided with a roofbolt below it, and this roofbolt penetrates in the cam hole of portable plate; One shell, it is provided with through hole, is provided with a pivot below the shell, and shell is covered on the base plate, and the pivot hole that pivot passes portable plate is articulated on the base plate portable plate, and button passes through hole; One first spring is located at outer casing inner wall face and portable plate in contrast between the side of movable ratchet; Second spring is located between outer casing inner wall face and the button side walls.

2, door according to claim 1 is used secure latch, it is characterized in that, chase was formed under the chute of described catch member was reached by last chase, and the vertical wall edge of last chase is provided with fixedly ratchet of series.

3, door according to claim 1 is used secure latch, it is characterized in that, described riser is in conjunction with being provided with external member.

4, door according to claim 1 is used secure latch, it is characterized in that the side that described portable plate is opposite with movable ratchet is provided with protuberance, this protuberance fit first spring.

5, door according to claim 1 is used secure latch, it is characterized in that described cam hole is leg-of-mutton hole.

6, door according to claim 1 is used secure latch, it is characterized in that the sidewall of described button is provided with a shrinkage pool, and second spring is inserted in this shrinkage pool.

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