CN209704266U

CN209704266U - A kind of concealed door-inhale structure

Info

Publication number: CN209704266U
Application number: CN201821105840.4U
Authority: CN
Inventors: 张秦鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-12
Filing date: 2018-07-12
Publication date: 2019-11-29
Anticipated expiration: 2028-07-12

Abstract

The utility model provides a kind of concealed door-inhale structure, belongs to positioning devices technical field.It solves the problems, such as that existing door-inhale stability is poor, high failure rate.This concealed door-inhale structure, including Buffer Unit and positioning component, Buffer Unit includes the mounting base with slideway and the sliding seat being slidably arranged on slideway, one end of slideway is the locking end for offering card slot, there is fixture block on sliding seat, latch segment is also rotatably connected on sliding seat, positioning component includes the positioning plate that mutually can be clamped or be detached from latch segment at the locking end of slideway, when positioning plate is when engaging end and latch segment is separated, positioning plate can make latch segment squeeze fixture block, and fixture block is pressed in card slot under the extruding of latch segment.This concealed door-inhale structural stability is high, failure rate is low.

Description

A kind of concealed door-inhale structure

Technical field

The utility model belongs to positioning devices technical field, is related to a kind of concealed door-inhale structure.

Background technique

Door-inhale is also commonly called as that the device of positioning is sucked after door knob and a kind of door body are opened, to prevent wind or touch door body And close, door-inhale is divided into permanent magnetism door-inhale and two kinds of electromagnetism door-inhale, and permanent magnetism door-inhale is commonly used in common door, it can only manually control, This kind of door-inhale can generate biggish impact force when door body is opened and is adsorbed, and have biggish noise, and operating handle is poor.

In view of the above-mentioned problems, Chinese invention patent application (application number: 201710730897.7) discloses a kind of door-inhale knot Structure has clamping joint on locating piece including the locating piece and Buffer Unit being oppositely arranged；Buffer Unit includes mounting base and reset Elastic component, mounting base are equipped with slideway, and slideway is equipped with the triggering sliding block that can be moved back and forth, and triggering sliding block has and clamping joint The clamping portion being connected；Slideway is locking end towards one end of locating piece, and the other end is to be attracted end, and clamping joint can be in slideway Locking end is mutually clamped or is detached from the clamping portion for triggering sliding block；Mounting base and triggering sliding block between be equipped with can triggering sliding block by The locking end of slideway generates the damping due to rotation structure of resistance to being attracted in the moving process of end；Return springs have will trigger sliding block The elastic reset power for being attracted end is pulled to by the locking end of slideway, which has certain buffering effect, but in door body After closing, triggering sliding block needs are located in locking end, to wait the unlatching next time of door body, trigger sliding block at this time always by bullet Property part elastic force, and trigger sliding block and be hooked in merely by spacer pin and turned in shape slot, and trigger sliding block and be in deflection state, Triggering sliding block is unstable under the action of the elastic member, and the spacer pin of sliding block is triggered when being trampled or vibrating by the external world It is easily separated from and turns shape slot, cause triggering sliding block to slide to and be attracted end, cannot be buffered when door body is opened at this time, while in this kind Under fortuitous event, it is clamped to form door body positioning component with triggering sliding block again, the clamping joint of positioning component is required to It is flexible up and down, while also needing to include the components such as adjustment spring, cause positioning component volume larger, it is not compact enough.

Summary of the invention

The purpose of this utility model is the presence of the above problem in view of the prior art, proposes a kind of concealed door-inhale knot Structure, for solving the problems, such as that stability is poor, high failure rate.

The purpose of this utility model can be realized by the following technical scheme: a kind of concealed door-inhale structure, including buffering Component and positioning component, the Buffer Unit include the mounting base with slideway and the sliding seat being slidably arranged on slideway, institute The one end for stating slideway is the locking end for offering card slot, has fixture block on the sliding seat, which is characterized in that on the sliding seat It is also rotatably connected to latch segment, the positioning component includes that mutually can be clamped or be detached from latch segment at the locking end of slideway Positioning plate, when positioning plate is when engaging end and latch segment is separated, positioning plate can make latch segment squeeze fixture block, in latch segment Lower fixture block is squeezed to be pressed in card slot.

Mounting base is for being fixedly mounted on the ground, and positioning component is used to be mounted on door body, and wherein positioning plate is installed On the side of door body lower part or bottom edge, reality is mutually clamped by the positioning plate and the latch segment on sliding seat of positioning component Now to the actuation of door body, specifically, when door body is opened, positioning plate is close to mounting base, and in the locking end of slideway and sliding seat On latch segment be mutually clamped, sliding seat is needed by gradually buffering and being attracted door body far from locking end is mobile on slideway At closing time, external force being applied to door body, door body drives sliding seat to the movement of locking end by positioning plate, and when sliding seat is in slideway End is engaged, and when positioning plate and latch segment disengaging, positioning plate can make latch segment squeeze fixture block, so that fixture block is extruded in slideway Card slot in, i.e., latch segment can be such that fixture block is maintained in card slot after positioning plate in door body is detached from latch segment, to continue Sliding seat is positioned, avoid because the external force of the generations such as hitting, is foot-operated causes fixture block to be detached from card slot and moves sliding seat Position is also avoided certainly so that Buffer Unit keeps enough stability before being clamped with positioning plate because unstable After causing sliding seat to shift, make positioning plate since sliding seat lacks the process of sliding when door body is opened with certain dynamics Biggish shock is generated with latch segment, is easy to appear the defect of failure, while latch segment can either mutually be clamped realization with positioning plate Actuation to door body, and extruding positioning can be carried out to fixture block after positioning plate disengaging, without additional setting positioning or clamping Component, therefore structure is also more compact.

In above-mentioned concealed door-inhale structure, when positioning plate is when locking end is mutually clamped with latch segment, positioning plate can Release the extruding to fixture block.I.e. positioning plate needs to slide after being mutually clamped with latch segment, and latch segment positions the extruding of fixture block at this time And released by positioning plate, the mechanism additional without other or component, so that operation is more convenient, structure is more It is compact, as long as the structure is not but also positioning plate is clamped with latch segment, then latch segment always can squeeze fixture block certainly Pressure positioning, to guarantee the stability of sliding seat when positioning plate and latch segment are not clamped.

In above-mentioned concealed door-inhale structure, there is the elastic foot of bar shaped on the sliding seat, the fixture block is located at bullet Property foot side on, when the sliding seat of gig is in the locking end of slideway, fixture block is opposite with card slot, and is mutually taken off with latch segment when positioning plate From when be able to drive latch segment and rotate and squeeze elastic foot so that fixture block is pressed in card slot.Elastic foot is in bar shaped, in sliding seat When positioned at locking end and fixture block opposite with card slot, the side of sliding seat towards locking extreme direction still has space, for installing Latch segment is able to drive latch segment rotation when positioning plate and latch segment are detached from, can squeeze elastic foot after latch segment rotation, make Elastic foot deformation is obtained, fixture block is caught in card slot, and what the latch segment after rotation can continue carry out extruding positioning to fixture block, is guaranteed steady It is qualitative.

In above-mentioned concealed door-inhale structure, the elastic foot and card slot it is equal there are two, and two card slots are located at cunning On the two sides side wall in road, the fixture block is located on the lateral surface of elastic foot, and the latch segment is being locked between two elastic foots Under the extruding of block, two elastic foots deformation can make fixture block be pressed in card slot outward.Two elastic foots are symmetrical arranged, same It can be caught in card slot outward simultaneously under the extruding of one latch segment, so that sliding seat has enough stability, in positioning plate Latch segment contacts the extruding to fixture block when being clamped with latch segment, and elastic foot can be resetted by own resilient at this time, so that fixture block It is detached from card slot, simple and compact for structure, certainly in the actual processing process, elastic foot and card slot may be one, equally can Realize the positioning to sliding seat.

In above-mentioned concealed door-inhale structure, the latch segment is disc-shaped, and the downside of latch segment is rotatably connected on On sliding seat upper side, the outer edge of the latch segment has two crush lobes, makes to lock when positioning plate is separated with latch segment When tight block rotation, two crush lobes squeeze the medial surface of two elastic foots outward respectively.Latch segment is detached from positioning plate to lock After tight block rotate in place, the spacing between crush lobes and slideway side wall can just accommodate an elastic foot, therefore fixture block quilt The extruding of stability is located in card slot, and is located at two crush lobes of latch segment but also two fixture blocks can be caught in card simultaneously Slot, synchronism is preferable, guarantees that positioning plate is detached from two fixture block of moment of latch segment while being squeezed the extruding positioning of protrusion, guarantees The stability of sliding seat.

In above-mentioned concealed door-inhale structure, there is straight positioning surface, when fixture block quilt at least one crush lobes The medial surface of positioning surface and elastic foot fits compression when being pressed in card slot, and the outer peripheral surface of the positioning surface and latch segment is round and smooth Transition.Rounding off between positioning surface and latch segment outer peripheral surface makes the rotation of latch segment more smooth, i.e., positioning plate is It is more smooth when latch segment clamping and disengaging, while the abrasion to elastic foot is reduced, guarantee stability, and positioning surface is one Plane, therefore when crush lobes carry out squeezing positioning to fixture block, positioning surface can be realized by being bonded with slideway side wall to lock The positioning of tight block, is extruded on elastic foot so that latch segment is stable, to improve the position stability to sliding seat.

In above-mentioned concealed door-inhale structure, there is the clamping portion of protrusion, the card on the upper side of the latch segment Socket part is to be attracted end with clamping concave surface, the other end of the slideway, when the sliding seat is in sliding process or positioned at cunning It is clamped actuation end of the concave surface towards slideway when the actuation end in road, there is clip-connecting rod, the positioning on the downside of the positioning plate Plate and latch segment lean by clip-connecting rod and clamping concave surface and realize clamping.It can be after positioning plate and latch segment form clamping Being attracted end keeps lasting actuation to position door body, in sliding seat to being attracted in the sliding process of end, needs the card by clamping portion It connects concave surface and pulls clip-connecting rod, so that door body is gradually attracted, and the sliding seat of gig needs the clamping by clamping portion when being attracted end The lasting pulling clip-connecting rod in concave surface, lasting be attracted to door body position, and are that door body passes through clamping when sliding seat is mobile to locking end Column pulls sliding seat mobile against clamping concave surface, is required to clamping concave surface in above process towards actuation end, so that The clamping of clamping portion and clip-connecting rod is more stable.

In above-mentioned concealed door-inhale structure, the downside of the latch segment is connected by Rotational Cylindrical and sliding seat rotation It connects, when actuation end of the sliding seat in sliding process or positioned at slideway, the length direction of clamping portion and Rotational Cylindrical in slideway On be staggered, and elastic foot and fixture block are compressed between latch segment outer peripheral surface and slideway medial surface.The Rotational Cylindrical phase of latch segment The center line of slideway is deviateed, while when actuation end of the sliding seat in sliding process or positioned at slideway, clip-connecting rod is acted on Clamping portion so that latch segment has the trend of rotation, but due to elastic foot and fixture block be extruded in latch segment and slideway side wall it Between, without the space of receiving crush lobes between latch segment and slideway side wall, therefore elastic foot and fixture block also act as limitation The effect of latch segment rotation, to avoid clip-connecting rod and card in sliding process or when positioned at the actuation end of slideway in sliding seat Connect block disengaging, and when the sliding seat of gig is in engaging end and when fixture block opposite with card slot, slideway side wall loses to fixture block and elastic foot Limitation, therefore latch segment can rotate under the action of clip-connecting rod, so that fixture block is extruded in card slot by crush lobes, turn simultaneously The clamping concave surface of clamping portion is towards slideway side after dynamic, therefore clip-connecting rod can be detached from clamping portion, i.e. positioning plate and latch segment phase It is detached from.

In above-mentioned concealed door-inhale structure, also there is the reset portion of protrusion, when described on the latch segment upper side Clamping portion and Rotational Cylindrical are respectively positioned on the side of slideway center line when fixture block is extruded in card slot by crush lobes, and reset portion, which is located at, to be slided The other side of road center line, also has the pushing part of protrusion on the positioning plate downside, and the positioning plate passes through pushing part top Pushing away reset portion drives latch segment to rotate and release the extruding to elastic foot.When fixture block is compressed in card slot, positioning plate and lock Tight block is in discrete state, and clamping portion and Rotational Cylindrical are respectively positioned on the side of slideway center line at this time, and reset portion is located at slideway center The other side of line, i.e., reset portion is deviated with Rotational Cylindrical on the length direction of slideway, is positioned when positioning plate is close to latch segment Pushing part on plate can be to extreme direction pushing tow reset portion be attracted, so that latch segment rotates backward, fixture block loses crush lobes It squeezes positioning and is detached from card slot under the elastic force of elastic foot, while clamping portion can move and make after latch segment rotates backward It is opposite with clip-connecting rod to be clamped concave surface, i.e., positioning plate and latch segment, which are realized, is clamped.

In above-mentioned concealed door-inhale structure, when actuation end of the sliding seat in sliding process or positioned at slideway, The reset portion is located at clamping portion towards the side for being attracted end.Clip-connecting rod is located at clamping after positioning plate and latch segment realize clamping Between portion and reset portion, i.e., reset portion limits clip-connecting rod, and clip-connecting rod is prevented to be detached from clamping to extreme direction movement is attracted Portion, to guarantee the clamping stability of positioning plate and latch segment.

In above-mentioned concealed door-inhale structure, also there is auxiliary pulling block, when the cunning on the downside of the positioning plate Positioning plate can be leant the card of realization and latch segment by auxiliary pulling block and clamping concave surface when dynamic seat is located at the actuations end of slideway It connects.Positioning plate is not clamped with latch segment also, but is caused latch segment to rotate under human factor and lost and squeeze to fixture block Pressure, sliding seat, which is moved to, at this time is attracted end, and the clamping concave surface of clamping portion, towards end is attracted, clip-connecting rod is by clamping portion at this time Stop and be difficult to be moved to opposite with clamping concave surface, is i.e. positioning plate is difficult to be clamped by clip-connecting rod and latch segment, therefore is positioning Setting auxiliary pulling block, assists pulling block that can be clamped with clamping portion after sliding seat, can either realize on the door in positioning plate on plate The actuation of body positions, and also can pull sliding seat movement by auxiliary pulling block at closing time, and make when fixture block is opposite with card slot Latch segment rotation is obtained, so that the operating of Buffer Unit returns on correct track.

In above-mentioned concealed door-inhale structure, the positioning component further includes attachment base, and one end of the positioning plate turns It is dynamic to be connected on attachment base, assist pulling block to be located at clip-connecting rod towards the side for being attracted end, institute when positioning plate is opposite with mounting base The guiding convex surface also having when latch segment is located at and is attracted end towards locking end on clamping portion is stated, on guiding convex surface to auxiliary pulling block Guiding role under positioning plate can rotate so that pulling block is assisted to slip over from the side of clamping portion, be additionally provided with energy on the attachment base Enough make to position the spring lever that sheet reset rotates and keeps auxiliary pulling block opposite with concave surface is clamped.Positioning plate can be deflected with respect to latch segment Certain angle, therefore auxiliary pulling block can be with the guiding convex surface of clamping portion against being oriented to convex surface when positioning is reported close to latch segment It can be oriented to pulling block is resetted, so that positioning plate deflects, assist pulling block that can slip over the side of clamping portion at this time, assisting When pulling block passes through completely and loses the support of side clamping block, positioning plate can under the action of spring lever reverse deflection so that Reset pulling block is opposite with clamping concave surface, i.e., positioning plate is by resetting pulling block with clamping concave surface against the card realized with latch segment It connects.

In above-mentioned concealed door-inhale structure, the guiding convex surface includes curved guiding surface and positioned at curved guiding surface one end Guide surface, one end inclination of the guide surface also have guiding protrusion on the upper side of the latch segment towards end is attracted, There is guiding concave surface on the guiding protrusion, form guide channel, above-mentioned spring lever between guiding concave surface and the guide surface Make to assist pulling block opposite with concave surface is clamped after auxiliary pulling block passes through guide channel.Curved guiding surface with auxiliary pulling block against just Stage beginning carries out deflection guiding to auxiliary pulling block, then pulling block will be assisted to import in guide channel by guide surface, wherein leading Positioning plate overswing can be prevented to protrusion, i.e., the moving direction of auxiliary pulling block is defined, thus accurately will auxiliary Pulling block is oriented between clamping portion and reset portion.

In above-mentioned concealed door-inhale structure, there is groove, the positioning plate upside on the downside of the attachment base There is boss, the boss is embedded in groove, and the spring lever is arranged in groove, and position is distinguished at the both ends of the spring lever on face Between the two sides cell wall of groove and the two sides side of boss, and the both ends of spring lever are inwardly arched upward and are born against in boss Two sides side on.Boss and groove cooperate, and can be defined to the deflection angle of positioning plate, avoid positioning plate from occurring larger The swing of angle, so that clip-connecting rod normally can be clamped and be detached from clamping portion in normal use process, and the two of spring lever End is symmetrical set, and in positioning plate non-deflected power, the both ends of spring lever make boss be located at the middle position of groove, even if Positioning plate is obtained to keep stablizing.

In above-mentioned concealed door-inhale structure, the positioning plate is an elastic piece, and the auxiliary pulling block is in long strip, and One end end face for assisting pulling block is pushing tow cambered surface, and when positioning plate is opposite with mounting base, the pushing tow cambered surface is towards clamping portion.It is fixed Position plate is elastic piece, therefore positioning plate can bend and reset, i.e., when positioning plate clamping stagnation occurs and is difficult to rotate, resets and draw The pushing tow cambered surface of block can directly act on clamping portion, and under the action of pushing tow cambered surface, the end of positioning plate being capable of upward arc Bending is crossed clamping portion until resetting pulling block, is then resetted under the elastic force of itself, so that resetting pulling block is connected to clamping portion Clamping concave surface on.

There are two guiding along the setting of slideway length direction in above-mentioned concealed door-inhale structure, in the mounting base Bar, the sliding seat of gig is between two guide rods, and two edges of sliding seat all have guide sleeve, the two guide sleeve difference It is slidably located on two guide rods, helical spring is arranged on two guide rods, one end of the helical spring is pressed on On guide sleeve, the other end is pressed on guide rod towards the end at locking end.Guide sleeve and guide rod cooperate, thus to sliding seat into Row guiding, so that the position after sliding seat motion track and movement in place is accurate, so that positioning plate and latch segment can Accurate clamping, while but also the relative position of fixture block and card slot is more accurate, improve stability.

In above-mentioned concealed door-inhale structure, in a tubular form, and guide rod is towards the side edge of sliding seat for the guide rod Length direction offers evacuation notch, has columnar guide part along axial on the inner wall of the guide sleeve, which passes through Evacuation notch is simultaneously slidably matched with the inner wall of guide rod.The structure makes have more large contact surface between guide sleeve and guide rod Product, to improve the stability of sliding seat, certainly in the actual processing process, helical spring also be can be set in guide rod Portion, so that one end of helical spring is pressed on guide part, the other end is compressed on the guide bar.

In above-mentioned concealed door-inhale structure, the other end of the slideway is to be attracted end, the mounting base and sliding seat Between be additionally provided with when sliding seat to be attracted end it is mobile when the buffer gear of damping, the buffer gear packet can be generated to sliding seat The rack gear for including the rotary damper being fixed on sliding seat and being fixed in mounting base along its length, the rotary damper Output end is equipped with damping gear, and the damping gear is meshed with rack gear or damping gear is mutually nibbled by gear member with rack gear It closes.When positioning plate with latch segment after the locking end of slideway is mutually clamped, helical spring provide elastic thrust make sliding seat to suction It is mobile to close end, since damping gear is meshed or damping gear is meshed with rack gear by gear member with rack gear, in cunning In the moving process of dynamic seat, the rotation of rack drives damping gear or rack gear are rotated by gear member drive damping gear, and are hindered Buddhist nun's gear can generate certain damping when rotating, therefore sliding seat can be made slowly mobile to end is attracted, to play buffering Effect.

In above-mentioned concealed door-inhale structure, strip groove is offered along slideway length direction on the sliding seat, this For shape slot position in damping gear towards the side for being attracted end, the gear member includes gear mass one, gear mass two and columnar connection Portion, the gear mass one are located on the downside of gear mass two, and the connecting portion is on the upper side of gear mass two, the tooth Wheel body two is between sliding seat downside and slideway bottom surface, and the interconnecting piece sliding plug is in strip groove, the gear mass One is meshed with rack gear, and when the sliding seat is mobile to actuation end, damping gear can be meshed with gear mass two, works as sliding Gear mass two is separated with damping gear when seat is mobile to locking end.I.e. gear member can be slided with respect to sliding seat, when door body and cunning After dynamic seat is mutually clamped at the locking end of slideway, helical spring provides elastic thrust and makes sliding seat mobile to end is attracted, and is sliding Seat does temporary stop to end mobile incipient stage, gear member is attracted under rack gear effect, and sliding seat opposed gear part is mobile, Until damping gear is meshed with gear mass two, then damping gear pushing tow gear member is mobile, in the moving process of gear member, Rack gear is able to drive the rotation of gear mass one, and gear mass one drives damping gear rotation by gear mass two, and damping gear rotates When can generate certain damping, therefore it is slowly mobile to end is attracted to make sliding seat, to play buffer function, and when sliding Dynamic seat is located at when being attracted end and needing door-closing operation, applies certain external force to door body, so that door body is with sliding seat to locking End movement, since gear member is located at damping gear backwards to the side of moving direction, sliding seat can opposed gear part mobile one Set a distance, so that damping gear is separated with gear member, then gear member is moved together with sliding seat, in this moving process, by It is in discrete state in gear member and damping gear, gear member is only to dally under the action of rack gear, damping will not be generated, So that the operation closed the door is lighter, rapid and more laborsaving.

In above-mentioned concealed door-inhale structure, there are two the rotary dampers, and two rotary damper is along width side To arrangement, and damping gear is located at the top of sliding seat, and the rack gear has two, which is located at mounting base upper side Two edges, offer two strip grooves along the setting of slideway length direction on the sliding seat, two strip groove is respectively with two Damping gear is corresponding, and strip groove is located at damping gear towards the side for being attracted end, and there are two the gear members, and gear member It include a gear mass and the column interconnecting piece on gear mass downside, the two interconnecting piece difference sliding plugs are two In strip groove, and two gear masses are meshed with two rack gears respectively, when the sliding seat divides to two damping gears when being attracted end movement It is not meshed with two gear masses, when sliding seat is mobile to locking end, two gear masses are separated with two damping gears.The structure is same It can be meshed to damping gear when being attracted end movement with gear mass in sliding seat, so that the movement for sliding seat provides buffering, When sliding seat is mobile to locking end, gear mass is mutually separated with damping gear, so that the operation closed the door is lighter, rapid, and more Add laborsaving, while the damping gear of the structure, gear mass are respectively positioned on the top of sliding seat, and rack gear is also in the upper of mounting base Side, therefore can be avoided accumulation dust causes engaging between damping gear and gear mass, gear mass and rack gear clamping stagnation occur, from And making operating more smooth, structure is more stable.

In above-mentioned concealed door-inhale structure, there are two the rotary dampers, and two rotary dampers are along width side To arrangement, the rack gear has two, offers a v notch v along its length on the bottom surface of slideway, and two rack gears distinguish position Damping gear in the two sides edge of v notch v, two rotary dampers is meshed with two rack gears respectively.Rotation resistance Damping gear on Buddhist nun's device is meshed with rack gear always, therefore can provide buffering when sliding seat is mobile to actuation end, and revolves Turning damper, damping gear and rack gear is just to setting, so that sliding seat is more uniformly stressed, sliding process is more steady It is fixed.

In above-mentioned concealed door-inhale structure, two are fixed in the mounting base along the hydraulic of slideway length direction setting Damper, the sliding seat of gig is between two hydraulic dampers, and the telescopic rod of sliding seat and two hydraulic dampers is fixedly connected with, and two Helical spring is arranged on the hydraulic damper, one end of the helical spring is pressed in mounting base, and the other end compresses On sliding seat.Hydraulic damper is a kind of existing damped part, hydraulic damper can in sliding seat with door body to suction Close end it is mobile when resistance is provided so that Mobile base still be able under the promotion of helical spring it is slowly moving, reduce door body with Shock between Buffer Unit improves stability, reduces failure rate.

Compared with prior art, this concealed door-inhale structure has the advantage that

1, since positioning plate is when engaging end and latch segment is detached from, positioning plate can make latch segment squeeze fixture block, thus will Fixture block is extruded in the card slot of slideway, i.e., latch segment can make fixture block be maintained at card after the positioning plate in door body is detached from latch segment In slot, so that lasting position sliding seat, avoid because the external force of the generations such as shock, foot-operated causes fixture block to be detached from card slot And sliding seat is shifted, so that Buffer Unit keeps enough stability before being clamped with positioning plate.

2, it due to also having auxiliary pulling block on positioning plate, is not clamped with latch segment also in positioning plate, but artificial Cause latch segment to rotate under factor and lose the extruding to fixture block, sliding seat, which is moved to, at this time is attracted end, leans in positioning plate Auxiliary pulling block can be clamped with clamping portion after nearly sliding seat, can either realize the actuation positioning to door body, also can be at closing time Pull sliding seat mobile by auxiliary pulling block, and fixture block and card slot relative to when latch segment is rotated so that Buffer Unit Operating returns on correct track.

3, since gear member can be mobile relative to sliding seat, when the sliding seat of gig in actuation end and needs door-closing operation When, damping gear is separated with gear member, and then gear member is moved together with sliding seat, in this moving process, due to gear member It is in discrete state with damping gear, gear member is only to dally under the action of rack gear, damping will not be generated, so that The operation of shutdown is lighter, rapid, and more laborsaving.

Detailed description of the invention

Fig. 1 is the schematic perspective view of concealed door-inhale structure.

Fig. 2 is the schematic perspective view of Buffer Unit.

Fig. 3 is the schematic enlarged-scale view in Fig. 2 at A.

Fig. 4 is the structure top view of latch segment.

Fig. 5 is the schematic perspective view of positioning plate.

Fig. 6 is the structure sectional view of attachment base.

Fig. 7 to Figure 10 is the state diagram that clip-connecting rod is mutually clamped process with clamping portion.

Figure 11 is that clip-connecting rod and clamping portion are separated the state diagram of process.

Figure 12 to Figure 14 is the state diagram for assisting pulling block to be mutually clamped process with clamping portion.

Figure 15 is that pulling block and clamping portion is assisted to be separated the state diagram of process.

Figure 16 is the structure sectional view at guide sleeve.

Figure 17 is the structural schematic diagram when gear member of door-inhale is meshed with damping gear.

Figure 18 is the structural schematic diagram when gear member of door-inhale is mutually separated with damping gear.

Figure 19 is the structure sectional view when gear member of door-inhale is mutually separated with damping gear.

Figure 20 is the structural schematic diagram of door-inhale in embodiment two.

Figure 21 is the structural schematic diagram at another visual angle of door-inhale in embodiment two.

Figure 22 is the structural schematic diagram of door-inhale in embodiment three.

Figure 23 is the structural schematic diagram at another visual angle of door-inhale in embodiment three.

Figure 24 is the structure sectional view of door-inhale in embodiment three.

Figure 25 is the structural schematic diagram of door-inhale in example IV.

Figure 26 is the structural schematic diagram of door-inhale in embodiment five.

Figure 27 is structure sectional view when positioning plate and latch segment lean in embodiment six.

In figure, 1, mounting base；11, slideway；111, end is engaged；112, it is attracted end；12, card slot；13, guide rod；131, it keeps away Allow notch；14, helical spring；15, rack gear；16, v notch v；2, sliding seat；21, elastic foot；22, fixture block；23, guide sleeve； 231, guide part；24, strip groove；3, latch segment；31, crush lobes；311, positioning surface；32, clamping portion；321, it is clamped concave surface； 322, it is oriented to convex surface；322a, curved guiding surface；322b, guide surface；33, reset portion；34, it is oriented to protrusion；341, it is oriented to concave surface； 35, guide channel；36, Rotational Cylindrical；4, positioning plate；41, clip-connecting rod；42, pushing part；43, pulling block is assisted；431, pushing tow cambered surface； 44, boss；5, attachment base；51, groove；52, spring lever；6, rotary damper；61, damping gear；7, gear member；71, gear Body one；72, gear mass two；73, interconnecting piece；731, convex edge is connected；74, gear mass；8, hydraulic damper.

Specific embodiment

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

Embodiment one:

As shown in Figure 1, a kind of concealed door-inhale structure, including Buffer Unit and positioning component, Buffer Unit include being used for Mounting base 1 on the ground is fixedly mounted, 1 strip of mounting base has slideway 11, slideway along its length in mounting base 1 11 one end is locking end 111, and the other end is to be attracted end 112, and the locking end 111 of slideway 11 offers two card slots 12, two card slots 12 are located on the two sides side wall of slideway 11, and in conjunction with shown in Fig. 2, Fig. 3, sliding seat 2 is slidably connected on slideway 11, sliding The one end at seat 2 towards locking end 111 has the elastic foot 21 of two bar shapeds, all has fixture block 22 on the lateral surface of elastic foot 21, when Two fixture blocks 22 are opposite with two card slots 12 respectively when sliding seat 2 is located at locking end 111, are also rotatably connected to latch segment on sliding seat 2 3, latch segment 3 is between two elastic foots 21.Positioning component includes attachment base 5 and the positioning plate 4 that is connected on attachment base 5, fixed Position plate 4 be mounted in side or the bottom edge of door body lower part, positioning plate 4 can slideway 11 locking end 111 and locking The clamping of 3 phase of block is detached from, and when positioning plate 4 is when engaging end 111 and latch segment 3 is separated, positioning plate 4 can make latch segment 3 Squeeze elastic foot 21, under the extruding of latch segment 3, two elastic foots 21 can deformation outward make fixture block 22 be pressed on card slot 12 Interior, when positioning plate 4 is when engaging end 111 with the clamping of 3 phase of latch segment, positioning plate 4 can release the extruding to fixture block 22.

Specifically, as shown in connection with fig. 4, latch segment 3 is disc-shaped, and the downside of latch segment 3 is rotated by Rotational Cylindrical 36 It is connected on 2 upper side of sliding seat, the outer edge of latch segment 3 has two crush lobes 31, has in one of crush lobes 31 There are straight positioning surface 311, the outer peripheral surface rounding off of positioning surface 311 and latch segment 3, when positioning plate 4 and latch segment 3 are separated And when rotating latch segment 3, two crush lobes 31 squeeze the medial surface of two elastic foots 21 outward respectively, and positioning surface 311 with The medial surface of elastic foot 21 fits compression.There is the clamping portion 32 of protrusion, clamping portion 32 has card on the upper side of latch segment 3 Concave surface 321 is connect, clamping concave surface 321 is towards slideway when actuation end 112 of the sliding seat 2 in sliding process or positioned at slideway 11 11 actuation end 112, and clamping portion 32 is staggered on the length direction of slideway 11 with Rotational Cylindrical 36, and in the width of slideway 11 On direction, Rotational Cylindrical 36 deviates the center line of slideway length direction, and elastic foot 21 and fixture block 22 are compressed in 3 outer peripheral surface of latch segment Between 11 medial surface of slideway, latch segment 3 is difficult to rotate at this time, as shown in connection with fig. 5, has clamping on the downside of positioning plate 4 Column 41, positioning plate 4 and latch segment 3 lean by clip-connecting rod 41 and clamping concave surface 321 and realize clamping.On 3 upper side of latch segment Also there is the reset portion 33 of protrusion, when actuation end 112 of the sliding seat 2 in sliding process or positioned at slideway 11, reset portion 33 are located at clamping portion 32 towards the side for being attracted end 112, can limit to locking column, when crush lobes 31 squeeze fixture block 22 Clamping portion 32 and Rotational Cylindrical 36 are respectively positioned on the side of 11 center line of slideway when being pressed in card slot 12, and reset portion 33 is located in slideway 11 The other side of heart line, also has the pushing part 42 of protrusion on 4 downside of positioning plate, and positioning plate 4 passes through the reset of 42 pushing tow of pushing part Portion 33 drives latch segment 3 to rotate and releases the extruding to elastic foot 21.

Fig. 7 to Figure 10 is the process that clip-connecting rod 41 is clamped with 32 phase of clamping portion, as shown in fig. 7, sliding seat 2 is located at slideway 11 Locking end 111, fixture block 22 is connected in card slot 12 under the extruding of crush lobes 31 on latch segment 3, and positioning plate 4 also not with 3 phase of latch segment clamping, as shown in figure 8, positioning plate 4 is close to latch segment 3, and on the pushing part 42 on positioning plate 4 and latch segment 3 Reset portion 33 is in contact, as shown in figure 9, as positioning plate 4 continues, pushing part 42 gradually pushing tow reset mobile to end 112 is attracted Portion 33, latch segment 3 rotate, so that crush lobes 31 progressively disengage 21 medial surface of elastic foot, fixture block 22 is in elastic foot 21 Card slot 12 is progressively disengaged under natural resiliency effect, as shown in Figure 10, latch segment 3 rotate in place, and fixture block 22 completely disengages card slot 12, And in the rotation process of the latch segment 3, clamping portion 32 is also gradually transferred to clamping concave surface 321 and clip-connecting rod 41 is opposite, thus Realize the clamping of positioning plate 4 and latch segment 3, and Figure 11 then reflects the state that positioning plate 4 and latch segment 3 are separated, that is, positions Plate 4 is to far from the movement of 112 direction of end is attracted, and at this time since clamping portion 32 and Rotational Cylindrical 36 deviate, clip-connecting rod 41 can Pushing tow clamping portion 32, so that latch segment 3 rotates backward, so that fixture block 22 is extruded in card slot 12 by crush lobes 31.

Positioning plate 4 is not clamped with latch segment 3 also, but is caused latch segment 3 to rotate under human factor and lost pair The extruding of fixture block 22, at this time sliding seat 2 be moved to be attracted end 112, and the clamping concave surface 321 of clamping portion 32 towards be attracted end 112, At this time clip-connecting rod 41 by clamping portion 32 blocking and be difficult to be moved to opposite with clamping concave surface 321, i.e., positioning plate 4 is difficult to pass through Clip-connecting rod 41 and latch segment 3 are clamped, for this purpose, also having auxiliary pulling block 43 on the downside of positioning plate 4, are slided when sliding seat 2 is located at Positioning plate 4 by auxiliary pulling block 43 and can be clamped concave surface 321 and lean realization and latch segment 3 when the actuation end 112 in road 11 Clamping, specifically, having on the downside of attachment base 5 as shown in fig. 6, one end of positioning plate 4 is rotatably connected on attachment base 5 Groove 51 has boss 44 on 4 upper side of positioning plate, and boss 44 is embedded in groove 51, and spring lever 52, bullet are additionally provided in groove 51 The both ends of spring base 52 are located between the two sides cell wall of groove 51 and the two sides side of boss 44, and the both ends of spring lever 52 are equal It inwardly arches upward and bears against on the two sides side of boss 44, assist pulling block 43 to be located at when positioning plate 4 is opposite with mounting base 1 Clip-connecting rod 41 also has when latch segment 3 is located at and is attracted end 112 towards the side for being attracted end 112, on clamping portion 32 towards locking The guiding convex surface 322 at end 111, guiding convex surface 322 include curved guiding surface 322a and the guide flat positioned at the one end curved guiding surface 322a One end inclination of face 322b, guide surface 322b also have guiding protrusion 34 on the upper side of latch segment 3 towards end 112 is attracted, Being oriented on protrusion 34 has guiding concave surface 341, is oriented between concave surface 341 and guide surface 322b and forms guide channel 35, is leading Positioning plate 4 deflects under to the guiding of cambered surface 322a, resets pulling block and enters guide channel 35, then from the side of clamping portion 32 It slips over, last spring lever 52 can make positioning plate 4 reset rotation and make to assist pulling block 43 and clamping concave surface 321 opposite.

Figure 12 to Figure 14 is the process for resetting pulling block and being clamped with 32 phase of clamping portion, and as shown in figure 12, sliding seat 2 is located at slideway 11 actuation end 112, positioning plate 4 are not clamped with 3 phase of latch segment, and positioning plate 4 is close to latch segment 3 at this time, and resets pulling block and lead Lean to cambered surface 322a, as shown in figure 13, under the action of curved guiding surface 322a, positioning plate 4 deflects, reset pulling block into Enter in guide channel 35, as shown in figure 14, resets pulling block by the way that after guide channel 35, spring lever 52 turns the reset of positioning plate 4 It is dynamic, so that reset pulling block and clamping concave surface 321 relatively, thus realize the clamping of positioning plate 4 Yu latch segment 3, and Figure 15 then reflects Auxiliary pulling block 43 is at locking end 111 and the state that is separated of clamping portion 32 out, due to clamping portion 32 and Rotational Cylindrical 36 be staggered can, because This positioning plate 4 is far from the rotation of latch segment 3 is able to drive when being attracted the movement of end 112, to release the extruding to fixture block 22.

As shown in figure 16, the guide rod 13 being arranged with two along 11 length direction of slideway in mounting base 1, sliding seat 2 are located at Between two guide rods 13, in a tubular form, and guide rod 13 offers evacuation towards the side of sliding seat 2 to guide rod 13 along its length Notch 131, two edges of sliding seat 2 all have guide sleeve 23, have columnar guiding along axial on the inner wall of guide sleeve 23 Portion 231, two guide sleeves 23 are slidably located in respectively on two guide rods 13, and guide part 231 pass through evacuation notch 131 and with guiding The inner wall of bar 13 is slidably matched, and helical spring 14 is arranged on two guide rods 13, and one end of helical spring 14 is pressed on guiding On set 23, the other end is pressed on guide rod 13 towards the end at locking end 111.It is additionally provided between mounting base 1 and sliding seat 2 when cunning For dynamic seat 2 to the buffer gear that can generate damping when being attracted the movement of end 112 to sliding seat 2, buffer structure includes being fixedly mounted on Rotary damper 6 on sliding seat 2, the output end of the rotary damper 6 downward, in conjunction with shown in Figure 17, Figure 18, in damping due to rotation The output end of device 6 is fixed with damping gear 61, has rack gear 15 in mounting base 1, which is arranged along 11 length direction of slideway, Rotation is equipped with gear member 7 on sliding seat 2, which is located at damping gear 61 towards the side at actuation end 112, and gear member 7 Can be mobile relative to sliding seat 2, in conjunction with shown in Figure 19, gear member 7 includes gear mass 1, gear mass 2 72 and columnar connection Portion 73, gear mass 1, gear mass 2 72 and interconnecting piece 73 are an integral structure and concentric setting, and gear mass 1 is located at tooth On the downside of wheel body 2 72, interconnecting piece 73 is located on the upper side of gear mass 2 72, and the tip diameter of gear mass 2 72 is big In the tip diameter of gear mass 1 and the tip diameter of damping gear 61, gear mass 2 72 is located at the downside of sliding seat 2 Between face and the bottom surface of slideway 11, and the two sides of gear mass 2 72 bottom surface with the downside of sliding seat 2 and slideway 11 respectively It is slidably matched, when sliding seat 2 can be meshed to gear mass 2 72 when being attracted the movement of end 112 with damping gear 61.Slideway 11 A v notch v 16 is offered on bottom surface along its length, rack gear 15 is located at 16 edge of v notch v of 1 downside of mounting base, tooth Wheel body 1 protrudes into a v notch v 16 and is meshed with rack gear 15.Strip groove is offered along 11 length direction of slideway on sliding seat 2 24, which is located at damping gear 61 towards the side for being attracted end 112, the width of strip groove 24 and the outer diameter of interconnecting piece 73 It is adapted, interconnecting piece 73 is rotated up across strip groove 24 and protrudes on the inside of annular convex edge, and interconnecting piece 73 can be along strip groove 24 length directions are mobile.

Embodiment two:

The concealed door-inhale structure is basically the same as the first embodiment, and difference is as shown in Figure 20, Figure 21, gear mass one 71 are located on the upper side of gear mass 2 72, and interconnecting piece 73 is located on the upper side of gear mass 1, edge on the bottom surface of slideway 11 Length direction offers a v notch v 16, and rack gear 15 is located at 16 edge of v notch v of 1 downside of mounting base, gear mass 1 It is meshed across v notch v 16 and with rack gear 15, strip groove 24, and the end edge stretched out are stretched out in the upper end of interconnecting piece 73 upwards Circumferentially there is the connection convex edge 731 of annular, the outer diameter of connection convex edge 731 is greater than the width of strip groove 24, and sliding seat 2, which is located at, to be connected It connects between convex edge downside and the upper side of gear mass 1.

Embodiment three:

The concealed door-inhale structure is basically the same as the first embodiment, and difference is as shown in Figure 22, Figure 23, Figure 24, rotation Turn there are two dampers 6, which arranges in the width direction, and damping gear 61 is located at the top of sliding seat 2, Rack gear 15 has two, which is located at two edges of 1 upper side of mounting base, offers two along cunning on sliding seat 2 The strip groove 24 of road length direction setting, two strip groove 24 is corresponding with two damping gears 61 respectively, and strip groove 24 is located at Damping gear 61 is towards the side for being attracted end 112, and there are two gear members 7, and gear member 7 includes a gear mass 74 and column Connection, 73, interconnecting piece 73 perpendicular to gear mass 74 downside, two interconnecting pieces 73 distinguish sliding plug in two strip grooves 24, The end of interconnecting piece 73 extends downwardly strip groove 24, and the end edge stretched out circumferentially has the connection convex edge 731 of annular, connection The outer diameter of convex edge 731 is greater than the width of strip groove 24, and two gear masses 74 are meshed with two rack gears 15 respectively, when sliding seat 2 is to suction Two damping gears 61 are meshed with two gear masses 74 respectively when closing the movement of end 112, when sliding seat 2 is mobile to locking end 111 two Gear mass 74 is separated with two damping gears 61.

Example IV:

The concealed door-inhale structure is basically the same as the first embodiment, and difference is that as shown in figure 25, rotary damper 6 has Two, and two rotary dampers 6, along sliding width direction arrangement, rack gear 15 has two, along length side on the bottom surface of slideway 11 To a v notch v 16 is offered, two rack gears 15 are located at the two sides edge of a v notch v 16, the damping of two rotary dampers 6 Gear 61 is meshed with two rack gears 15 respectively.

Embodiment five:

The concealed door-inhale structure is basically the same as the first embodiment, and difference is as shown in figure 26, is connected in mounting base 1 There are two hydraulic dampers 8 along the setting of 11 length direction of slideway, sliding seat 2 is between two hydraulic dampers 8, and sliding seat 2 It is fixedly connected with the telescopic rod of two hydraulic dampers 8, helical spring 14 is arranged on two hydraulic dampers 8, helical spring 14 One end is pressed in mounting base 1, and the other end is pressed on sliding seat 2.

Embodiment six:

The concealed door-inhale structure is basically the same as the first embodiment, and difference is as shown in figure 27, and positioning plate 4 is a bullet Property piece, can occur bending deformation under external force, auxiliary pulling block 43 is in long strip, and assists one end end face of pulling block 43 to be Pushing tow cambered surface 431, when positioning plate 4 is opposite with mounting base 1, pushing tow cambered surface 431 is towards clamping portion 32, therefore works as positioning plate 4 and occur Clamping stagnation and when being difficult to rotate, the pushing tow cambered surface 431 for resetting pulling block 43 can directly act on clamping portion 32, in pushing tow cambered surface 431 Under the action of, the end of positioning plate 4 can be bent in an arc shape upwards, clamping portion 32 be crossed until resetting pulling block 43, then at itself Elastic force under reset so that reset pulling block 43 be connected on the clamping concave surface 321 of clamping portion 32.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Although the terms such as mounting base 1, slideway 11, locking end 111 are used more herein, it is not precluded using other A possibility that term.The use of these terms is merely for the convenience of describing and explaining the nature of the invention；Them It is contrary to the spirit of the present invention for being construed to any additional limitation all.

Claims

1. a kind of concealed door-inhale structure, including Buffer Unit and positioning component, the Buffer Unit includes having slideway (11) Mounting base (1) and the sliding seat (2) that is slidably arranged on slideway (11), one end of the slideway (11) be to offer card slot (12) locking end (111) has fixture block (22) on the sliding seat (2), which is characterized in that also turn on the sliding seat (2) Dynamic to be connected with latch segment (3), the positioning component includes that can mutually block at the locking end (111) of slideway (11) with latch segment (3) The positioning plate (4) for connecing or being detached from, when positioning plate (4) is engaging end (111) and latch segment (3) and is being separated, positioning plate (4) energy Latch segment (3) are enough made to squeeze fixture block (22), fixture block (22) is pressed in card slot (12) under the extruding of latch segment (3).

2. concealed door-inhale structure according to claim 1, which is characterized in that with bar shaped on the sliding seat (2) Elastic foot (21), the fixture block (22) are located on the side of elastic foot (21), when sliding seat (2) is located at the locking end of slideway (11) (111) fixture block (22) and card slot (12) relatively, and are able to drive latch segment when positioning plate (4) are separated with latch segment (3) when (3) it rotates and squeezes elastic foot (21), so that fixture block (22) is pressed in card slot (12).

3. concealed door-inhale structure according to claim 2, which is characterized in that the elastic foot (21) and card slot (12) are equal There are two, and two card slots (12) are located on the two sides side wall of slideway (11), the fixture block (22) is located at elastic foot (21) On lateral surface, the latch segment (3) is between two elastic foots (21), under the extruding of latch segment (3), two elastic foots (21) energy Enough deformation outward is pressed on fixture block (22) in card slot (12).

4. concealed door-inhale structure according to claim 3, which is characterized in that the latch segment (3) is disc-shaped, and locks The downside of block (3) is rotatably connected on sliding seat (2) upper side, and the outer edge of the latch segment (3) has two crush lobes (31), when positioning plate (4) and latch segment (3) are separated and rotate latch segment (3), two crush lobes (31) difference is outward Squeeze the medial surface of two elastic foots (21).

5. concealed door-inhale structure according to claim 4, which is characterized in that have at least one crush lobes (31) Straight positioning surface (311), when fixture block (22) be pressed in card slot (12) it is interior when positioning surface (311) it is interior with elastic foot (21) Side fits compression, the outer peripheral surface rounding off of the positioning surface (311) and latch segment (3).

6. concealed door-inhale structure according to claim 4 or 5, which is characterized in that on the upper side of the latch segment (3) Clamping portion (32) with protrusion, the clamping portion (32) have clamping concave surface (321), and the other end of the slideway (11) is to inhale It closes end (112), is clamped concave surface when the sliding seat (2) is in sliding process or is located at actuation end (112) of slideway (11) (321) towards the actuation end (112) of slideway (11), there are clip-connecting rod (41) on the downside of the positioning plate (4), the positioning Plate (4) and latch segment (3) are leant by clip-connecting rod (41) and clamping concave surface (321) realizes clamping.

7. concealed door-inhale structure according to claim 6, which is characterized in that the downside of the latch segment (3) passes through Rotational Cylindrical (36) and sliding seat (2) are rotatablely connected, when actuation end of the sliding seat (2) in sliding process or positioned at slideway (11) (112) when, clamping portion (32) are staggered on the length direction of slideway (11) with Rotational Cylindrical (36), and elastic foot (21) and fixture block (22) it is compressed between latch segment (3) outer peripheral surface and slideway (11) medial surface.

8. concealed door-inhale structure according to claim 7, which is characterized in that also have on latch segment (3) upper side Have the reset portion (33) of protrusion, when the crush lobes (31) by fixture block (22) be extruded in card slot (12) it is interior when clamping portion (32) and Rotational Cylindrical (36) is respectively positioned on the side of slideway (11) center line, and reset portion (33) is located at the other side of slideway (11) center line, institute The pushing part (42) also on positioning plate (4) downside with protrusion is stated, the positioning plate (4) is resetted by pushing part (42) pushing tow Portion (33) drives latch segment (3) to rotate and releases the extruding to elastic foot (21).

9. concealed door-inhale structure according to claim 8, which is characterized in that when sliding seat (2) in sliding process or When person is located at actuation end (112) of slideway (11), the reset portion (33) is located at clamping portion (32) towards the one of actuation end (112) Side.

10. concealed door-inhale structure according to claim 6, which is characterized in that on the downside of the positioning plate (4) also With auxiliary pulling block (43), when the sliding seat (2) is located at actuation end (112) of slideway (11), positioning plate (4) can pass through It auxiliary pulling block (43) and is clamped concave surface (321) and leans the clamping of realization and latch segment (3).

11. concealed door-inhale structure according to claim 10, which is characterized in that the positioning component further includes attachment base (5), one end of the positioning plate (4) is rotatably connected on attachment base (5), is assisted when positioning plate (4) is opposite with mounting base (1) Pulling block (43) is located at the side that clip-connecting rod (41) direction is attracted end (112), also has on the clamping portion (32) and works as latch segment (3) Positioned at the guiding convex surface (322) of direction locking end (111) when being attracted end (112), in guiding convex surface (322) to auxiliary pulling block (43) Guiding role under positioning plate (4) connection so that pulling block (43) is assisted to slip over from the side of clamping portion (32) can be rotated Being additionally provided on seat (5), which can be such that positioning plate (4) reset, rotates and makes to assist pulling block (43) and be clamped concave surface (321) opposite spring Bar (52).

12. concealed door-inhale structure according to claim 11, which is characterized in that the guiding convex surface (322) includes leading To cambered surface (322a) and positioned at the guide surface (322b) of the one end curved guiding surface (322a), one end of the guide surface (322b) Inclination also has guiding protrusion (34), the guiding protrusion towards end (112) are attracted on the upper side of the latch segment (3) (34) there is guiding concave surface (341) on, form guide channel between the guiding concave surface (341) and guide surface (322b) (35), above-mentioned spring lever (52) makes to assist pulling block (43) and is clamped concave surface after auxiliary pulling block (43) passes through guide channel (35) (321) opposite.

13. concealed door-inhale structure according to claim 12, which is characterized in that on the downside of the attachment base (5) With groove (51), there are boss (44) on positioning plate (4) upper side, in boss (44) insertion groove (51), institute Spring lever (52) setting is stated in the groove (51), the both ends of the spring lever (52) be located at the two sides cell wall of groove (51) with Between the two sides side of boss (44), and the both ends of spring lever (52) are inwardly arched upward and are born against in the two sides of boss (44) On side.

14. concealed door-inhale structure according to claim 13, which is characterized in that the positioning plate (4) is an elastic piece, The auxiliary pulling block (43) is in long strip, and assisting one end end face of pulling block (43) is pushing tow cambered surface (431), when positioning plate (4) The pushing tow cambered surface (431) is towards clamping portion (32) when opposite with mounting base (1).

15. concealed door-inhale structure described according to claim 1~any one of 5, which is characterized in that the mounting base (1) on two along slideway (11) length direction setting guide rods (13), the sliding seat (2) be located at two guide rods (13) it Between, and two edges of sliding seat (2) all have guide sleeve (23), and two guide sleeves (23) are slidably located in two guiding respectively On bar (13), it is arranged with helical spring (14) on two guide rods (13), one end of the helical spring (14) is pressed on On guide sleeve (23), the other end is pressed on guide rod (13) towards the end of locking end (111).

16. concealed door-inhale structure according to claim 15, which is characterized in that the guide rod (13) in a tubular form, and Guide rod (13) towards the side of sliding seat (2) along its length offer evacuation notch (131), the guide sleeve (23) it is interior There are columnar guide part (231) along axial on wall, the guide part (231) pass through evacuation notch (131) and with guide rod (13) Inner wall be slidably matched.

17. concealed door-inhale structure described according to claim 1~any one of 5, which is characterized in that the slideway (11) The other end be attracted end (112), be additionally provided between the mounting base (1) and sliding seat (2) when sliding seat (2) to actuation end (112) can sliding seat (2) be generated with the buffer gear of damping, the buffer gear includes being fixed on sliding seat (2) when mobile On rotary damper (6) and the rack gear (15) that is fixed on mounting base (1) along its length, the rotary damper (6) Output end is equipped with damping gear (61), and the damping gear (61) is meshed with rack gear (15) or damping gear (61) passes through tooth Gear member (7) is meshed with rack gear (15).

18. concealed door-inhale structure according to claim 17, which is characterized in that along slideway on the sliding seat (2) (11) length direction offers strip groove (24), which is located at damping gear (61) towards the one of actuation end (112) Side, the gear member (7) include gear mass one (71), gear mass two (72) and columnar interconnecting piece (73), the gear mass one (71) on the downside of gear mass two (72), the interconnecting piece (73) is located on the upper side of gear mass two (72), described Gear mass two (72) is located between sliding seat (2) downside and slideway (11) bottom surface, and interconnecting piece (73) sliding plug is in item In shape slot (24), the gear mass one (71) is meshed with rack gear (15), when the sliding seat (2) is mobile to end (112) are attracted When damping gear (61) can be meshed with gear mass two (72), the gear mass two when sliding seat (2) is mobile to locking end (111) (72) it is separated with damping gear (61).

19. concealed door-inhale structure according to claim 17, which is characterized in that there are two the rotary dampers (6), Two rotary damper (6) arranges in the width direction, and damping gear (61) is located at the top of sliding seat (2), the rack gear (15) there are two, which is located at two edges of mounting base (1) upper side, opens up on the sliding seat (2) There are two strip grooves (24) along the setting of slideway (11) length direction, two strip groove (24) is opposite with two damping gears (61) respectively It answers, and strip groove (24) is located at damping gear (61) towards the side for being attracted end (112), there are two the gear members (7), and tooth Gear member (7) includes a gear mass (74) and the column interconnecting piece (73) on gear mass (74) downside, two companies Sliding plug is interior in two strip grooves (24) respectively for socket part (73), and two gear masses (74) are meshed with two rack gears (15) respectively, when The sliding seat (2) is meshed with two gear masses (74) respectively to two damping gears (61) when being attracted end (112) movement, works as sliding Two gear masses (74) are separated with two damping gears (61) when seat (2) is mobile to locking end (111).

20. concealed door-inhale structure according to claim 17, which is characterized in that there are two the rotary dampers (6), And two rotary damper (6) arrange in the width direction, the rack gear (15) has two, along length side on the bottom surface of slideway (11) To offering a v notch v (16), two rack gears (15) are located at the two sides edge of a v notch v (16), two rotations The damping gear (61) for turning damper (6) is meshed with two rack gears (15) respectively.

21. concealed door-inhale structure described according to claim 1~any one of 5, which is characterized in that the mounting base (1) two hydraulic dampers (8) along the setting of slideway (11) length direction are fixed on, the sliding seat (2) is located at two hydraulic resistances Between Buddhist nun's device (8), and sliding seat (2) and the telescopic rod of two hydraulic dampers (8) are fixedly connected with, on two hydraulic dampers (8) It is arranged with helical spring (14), one end of the helical spring (14) is pressed on mounting base (1), and the other end is pressed on sliding On seat (2).