CN209469179U

CN209469179U - A kind of buffer structure of concealed door-inhale

Info

Publication number: CN209469179U
Application number: CN201821100302.6U
Authority: CN
Inventors: 张秦鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-12
Filing date: 2018-07-12
Publication date: 2019-10-08
Anticipated expiration: 2028-07-12

Abstract

The utility model provides a kind of buffer structure of concealed door-inhale, belongs to positioning devices technical field.It solves the problems, such as that existing door-inhale is inconvenient, more laborious.The buffer structure of this concealed door-inhale, door-inhale includes having the mounting base of slideway and being slidably arranged on slideway in sliding seat, one end of slideway is locking end, the other end is to be attracted end, buffer structure includes the damping gear that is arranged on sliding seat and can generate rotary resistance, there is rack gear in mounting base, rotation is equipped with the gear member being meshed with rack gear on sliding seat, the gear member is located at damping gear towards the side for being attracted end, and gear member can be mobile relative to sliding seat, when sliding seat can be meshed to damping gear when being attracted end movement with gear member, when sliding seat is mobile to locking end, gear member is separated with damping gear.The buffer structure of this concealed door-inhale makes operation lighter, laborsaving.

Description

A kind of buffer structure of concealed door-inhale

Technical field

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

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 is triggering Damping due to rotation structure can be to the mobile generation resistance of triggering sliding block, when needing to need at closing time during the reciprocatingly sliding of sliding block Door body is pulled manually, so that triggering sliding block is mobile to locking end, the resistance that damping due to rotation structure generates at this time can make door-closing operation It is more laborious, and the time for causing triggering sliding block to be moved to locking end is elongated, operation is more inconvenient.

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 delaying for concealed door-inhale Structure is rushed, it is inconvenient, more laborious for solving the problems, such as.

The purpose of this utility model can be realized by the following technical scheme: a kind of buffer structure of concealed door-inhale, door Suction includes having the mounting base of slideway and being slidably arranged on slideway in sliding seat, and one end of the slideway is locking end, another To be attracted end, the buffer structure includes the damping gear that is arranged on sliding seat and can generate rotary resistance, the peace at end Filling has rack gear on seat, which is characterized in that rotation is equipped with the gear member being meshed with rack gear, the gear member position on the sliding seat In damping gear towards the side for being attracted end, and gear member can be mobile relative to sliding seat, when sliding seat is to when being attracted end movement Damping gear can be meshed with gear member, and when sliding seat is mobile to locking end, gear member is separated with damping gear.

Mounting base can mutually block at the locking end of slideway with sliding seat after door body unlatching for being fixedly mounted on the ground Connect, i.e. the locking end of slideway is the position that sliding seat is mutually clamped or is detached from door body, the actuation end of slideway be sliding seat on the door Body is persistently attracted the position of positioning, when door body with sliding seat after the locking end of slideway is mutually clamped, sliding seat is mobile to end is attracted, And since gear member can move together with sliding seat, while gear member again can be mobile relative to sliding seat, and gear member be with What rack gear was meshed, therefore temporary stop is done under rack gear effect to end mobile incipient stage, gear member is attracted in sliding seat It stays, sliding seat opposed gear part is mobile, and until damping gear is meshed with gear member, then damping gear pushing tow gear member is moved Dynamic, in the moving process of gear member, rack gear is able to drive gear member rotation, and gear member drives damping gear rotation, and damps Gear can generate certain damping when rotating, therefore it is slowly mobile to end is attracted to make sliding seat, make to play buffering With, and when the sliding seat of gig is in being attracted end and when needing door-closing operation, apply certain external force to door body, so that door body is with sliding Seat is mobile to locking end, and since gear member is located at damping gear backwards to the side of moving direction, sliding seat can opposed gear Part moves a certain distance, so that damping gear is separated with gear member, then gear member is moved together with sliding seat, is moved through herein Cheng Zhong, since gear member and damping gear are in discrete state, gear member is only to dally under the action of rack gear, will not be produced Raw damping, so that the operation closed the door is lighter, rapid and more laborsaving.

In the buffer structure of above-mentioned concealed door-inhale, there is limiting section on the sliding seat, which is located at resistance Buddhist nun's gear is towards the side for being attracted end, and the gear member is between limiting section and damping gear, and gear member can limit It is moved between portion and damping gear, when sliding seat is mobile to locking end, gear member can separate with damping gear and be resisted against limit In the portion of position.Since to needing timely to engage with damping gear when being attracted end movement, sliding seat is when mobile to locking end Gear member should be made to separate with damping gear, sliding seat is moved together with gear member again, and limit is arranged on sliding seat thus Position portion, the position after being separated by limiting section limiting gear part with damping gear.

In the buffer structure of above-mentioned concealed door-inhale, bar shaped is offered along slideway length direction on the sliding seat Slot has columnar interconnecting piece on the gear member, and interconnecting piece rotation is plugged in strip groove, and interconnecting piece can be along bar shaped Slot length direction is mobile, and the end at the strip groove towards actuation end is above-mentioned limiting section.Interconnecting piece can be in strip groove Sliding, can also rotate, while playing connection function to gear member again, prevent gear member play in sliding width direction, from And gear member is separated with damping gear in time when making sliding seat mobile to locking end, so that door-closing operation is lighter, laborsaving.

In the buffer structure of above-mentioned concealed door-inhale, the medial surface of the limiting section is cambered surface, when sliding seat is to card The cambered surface of interconnecting piece outer peripheral surface and limiting section fits when not-go-end is mobile.Although when sliding seat is mobile to locking end gear member with Damping gear separation, but there is still a need for rotations under rack gear effect, therefore the medial surface of limiting section is set as cambered surface, it can Gear member is limited and gear member is made to keep stablizing, so that gear member and engaging for rack gear are more smooth, is subtracted simultaneously The frictional resistance of few gear member rotation, so that door-closing operation is lighter, laborsaving.

In the buffer structure of above-mentioned concealed door-inhale, the gear member includes gear mass one and gear mass two, described Gear mass one, gear mass two and interconnecting piece are an integral structure and concentric setting, and the gear mass one is meshed with rack gear, when Sliding seat can be meshed to gear mass two when being attracted end movement with damping gear.Gear member uses gear mass one and gear mass two The structure design being distributed up and down avoids damping gear from interfering with rack gear so that damping gear is staggered up and down with rack gear.

In the buffer structure of above-mentioned concealed door-inhale, the tip diameter of the gear mass two is greater than gear mass one The tip diameter of tip diameter and damping gear.In sliding seat moving process, the revolving speed of gear mass one and gear mass two It is identical, and the tip diameter of gear mass two is greater than the tip diameter of damping gear, so that the revolving speed of damping gear is greater than tooth The revolving speed of wheel body two can make damping gear rotate more numbers in the fixed sliding stroke of sliding seat, so that sliding Dynamic seat obtains bigger damping, that is, plays the role of amplifying damping gear resistance.

In the buffer structure of above-mentioned concealed door-inhale, the gear mass one is located on the downside of gear mass two, institute Gear mass two is stated to be located between the downside of sliding seat and the bottom surface of slideway, and the two sides of gear mass two respectively with sliding seat Downside and the bottom surface of slideway are slidably matched, and offer a v notch v, the rack gear on the bottom surface of the slideway along its length Positioned at the v notch v edge of mounting base downside, the gear mass one protrudes into a v notch v and is meshed with rack gear, described Rotary damper is fixed on sliding seat, the damping gear is fixed on the output end of rotary damper.Rotary damper is one Kind existing component that can generate resistance (application number: has had disclosed, tooth in patent document in 201710730897.7) The biggish gear mass two of outside diameter circle is limited between sliding seat downside and slideway bottom surface, be can be avoided gear member and is shaken Phenomena such as rolling, so that gear member is more stable.

In the buffer structure of above-mentioned concealed door-inhale, the gear mass one is located on the upper side of gear mass two, institute It states and offers a v notch v on the bottom surface of slideway along its length, the rack gear is located at the v notch v edge of mounting base downside Place, the gear mass one pass through a v notch v and are meshed with rack gear, and the upper end edge of the interconnecting piece circumferentially has annular Convex edge is connected, the sliding seat of gig is between connection convex edge downside and the upper side of gear mass one.The gear member passes through connection Convex edge and gear mass one are slidably matched with sliding seat realization, so that gear member keeps stablizing.

In the buffer structure of above-mentioned concealed door-inhale, fixed on the sliding seat there are two rotary dampers, this two Rotary damper arranges in the width direction, and the damping gear is fixed on the output end of rotary damper and is located at the upper of sliding seat Side, the rack gear have two, which is located at two edges of mounting base upper side, and there are two the strip grooves, 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 includes a gear mass, The connecting portion is on gear mass downside, and the two interconnecting piece difference sliding plugs are in two strip grooves, and two gear masses It is meshed respectively with two rack gears, when the sliding seat is mobile to actuation end, two damping gears are meshed with two gear masses respectively, When sliding seat is mobile to locking end, two gear masses are separated with two damping gears.Damping gear, the gear mass of the structure are respectively positioned on The top of sliding seat, and rack gear is also in the top of mounting base, therefore can be avoided accumulation dust and lead to damping gear and tooth There is clamping stagnation in engaging between wheel body, gear mass and rack gear, so that operating is more smooth, structure is more stable.

In the buffer structure of above-mentioned concealed door-inhale, the mounting base, which is equipped with, can be such that sliding seat moves to end is attracted Dynamic elastic component, in the mounting base with two along the setting of slideway length direction guide rods, the sliding seat of gig is in two guiding Between bar, and two edges of sliding seat all have guide sleeve, and two guide sleeves are slidably located in respectively on two guide rods, institute Stating elastic component is two springs, and two springs are respectively sleeved on two guide rods, and one end of the spring is pressed on guide sleeve, separately One end is pressed on guide rod towards the end at locking end.After door body is mutually clamped with sliding seat at locking end, elastic component is capable of providing Elastic thrust, so that the attracted end of sliding seat is mobile, guide sleeve and guide rod cooperate, so that sliding seat is oriented to, so that Sliding seat motion track and it is mobile in place after position it is accurate so that gear mass one and rack gear engage it is more accurate and It is smooth, it is lighter when sliding seat is mobile to locking end, but also gear mass two and engaging for damping gear are more accurate, from And it is more preferable to buffering effect when being attracted end movement in sliding seat.

In the buffer structure of above-mentioned concealed door-inhale, in a tubular form, and guide rod is towards sliding seat for the guide rod Side offers evacuation notch along its length, has columnar guide part, the guiding along axial on the inner wall of the guide sleeve Portion passes through evacuation notch and is slidably matched with the inner wall of guide rod.The structure, which to have between guide sleeve and guide rod, to be connect more greatly Contacting surface product, to improve the stability of sliding seat；Certainly in the actual processing process, helical spring also can be set in guide rod Inside so that one end of helical spring is pressed on guide part, the other end is compressed on the guide bar.

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

1, when mobile to locking end due to sliding seat, damping gear is separated with gear member, and gear member is only in rack gear It dallies under effect, damping will not be generated, so that the operation closed the door is lighter, rapid and more laborsaving.

2, it is greater than the tip diameter of gear mass one and the outside circle of damping gear due to the tip diameter of gear mass two Diameter, therefore the revolving speed of damping gear is greater than the revolving speed of gear mass two in sliding seat moving process, in the cunning that sliding seat is fixed Damping gear can be made to rotate more numbers in dynamic stroke, so that sliding seat obtains bigger damping, that is, play amplification The effect of damping gear resistance.

Detailed description of the invention

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

Fig. 2 is that concealed door sucts schematic perspective view when gear member is engaged with damping gear.

Fig. 3 is that concealed door sucts schematic perspective view when gear member is separated with damping gear.

Fig. 4 is structure top view when being not connected with positioning plate in mounting base.

Fig. 5 is the structure sectional view in Fig. 4 at A-A.

Fig. 6 is the structure sectional view in Fig. 4 at B-B.

Fig. 7 is the schematic perspective view of concealed door-inhale in embodiment two.

Fig. 8 is the schematic perspective view at concealed another visual angle of door-inhale in embodiment two.

Fig. 9 is the schematic perspective view of concealed door-inhale in embodiment three.

Figure 10 is the schematic perspective view at concealed another visual angle of door-inhale in embodiment three.

Figure 11 is the structure sectional view of concealed door-inhale in embodiment three.

In figure, 1, mounting base；11, slideway；111, end is engaged；112, it is attracted end；12, rack gear；13, v notch v；14, it leads To bar；141, notch is avoided；2, sliding seat；21, strip groove；22, annular convex edge；23, limiting section；24, guide sleeve；241, it is oriented to Portion；3, rotary damper；31, damping gear；4, gear member；41, gear mass one；42, gear mass two；43, interconnecting piece；431, even Connect convex edge；44, gear mass；5, spring；6, positioning plate；7, latch segment.

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 buffer structure of concealed door-inhale, door-inhale includes mounting base 1 and positioning plate 6, and mounting base 1 is used In on the ground of fixed installation, positioning plate 6 is mounted in side or the bottom edge of door body lower part, and mounting base 1 is whole in length Strip, offers slideway 11 along its length on the upper side of mounting base 1, and one end of slideway 11 is locking end 111, the other end To be attracted end 112, sliding seat 2 is slidably connected on slideway 11, sliding seat 2 is equipped with latch segment 7, and positioning plate 6 can be in cunning The locking end 111 in road 11 is mutually clamped or is separated with locking bed, i.e. the locking end 111 of slideway 11 is sliding seat 2 and door body phase Clamping or the position being detached from, the actuation end 112 of slideway 11 is the position that sliding seat 2 is persistently attracted positioning to door body, mounting base 1 Be equipped with spring 5, when in door body positioning plate 6 and sliding seat 2 slideway 11 111 phase of locking end be clamped after, spring 5 offer bullet Property thrust make sliding seat 2 to being attracted end 112 is mobile, and buffer structure includes the rotary damper being fixedly mounted on sliding seat 2 3, the output end of the rotary damper 3 downward, in conjunction with shown in Fig. 2, Fig. 3, is fixed with damping tooth in the output end of rotary damper 3 31 are taken turns, there is rack gear 12 in mounting base 1, which is arranged along 11 length direction of slideway, and rotation is equipped with gear member along sliding seat 2 4, which is located at damping gear 31 towards the side for being attracted end 112, and gear member 4 can be mobile relative to sliding seat 2, because This when sliding seat 2 to be attracted end 112 it is mobile when damping gear 31 can be meshed with gear member 4, when sliding seat 2 is to locking end Gear member 4 is separated with damping gear 31 when 111 movement.

Specifically, in conjunction with shown in Fig. 4, Fig. 5, gear member 4 includes gear mass 1, gear mass 2 42 and columnar connection Portion 43, the gear mass 1, gear mass 2 42 and interconnecting piece 43 are an integral structure and concentric setting, and gear mass one 41 In on the downside of gear mass 2 42, interconnecting piece 43 is located on the upper side of gear mass 2 42, and the outside circle of gear mass 2 42 is straight Diameter is greater than the tip diameter of gear mass 1 and the tip diameter of damping gear 31, and gear mass 2 42 is located at sliding seat 2 Between downside and the bottom surface of slideway 11, and the two sides of gear mass 2 42 respectively with the downside of sliding seat 2 and slideway 11 Bottom surface is slidably matched, when sliding seat 2 can be meshed to gear mass 2 42 when being attracted the movement of end 112 with damping gear 31.Slideway A v notch v 13 is offered on 11 bottom surface along its length, rack gear 12 is located at 13 edge of v notch v of 1 downside of mounting base Place, gear mass 1 protrude into a v notch v 13 and are meshed with rack gear 12.Item is offered along 11 length direction of slideway on sliding seat 2 Shape slot 21, the strip groove 21 are located at damping gear 31 towards the side for being attracted end 112, width and the interconnecting piece 43 of strip groove 21 Outer diameter is adapted, and the top slot edge of strip groove 21 circumferentially has annular convex edge 22,22 medial surface of annular convex edge and strip groove 21 medial surfaces are coplanar, and interconnecting piece 43 is rotated up across strip groove 21 and protrudes into 22 inside of annular convex edge, and interconnecting piece 43 can It is moved along 21 length direction of strip groove, the end at strip groove 21 towards actuation end 112 is limiting section 23, therefore gear member 4 can It is moved between damping gear 31 and limiting section 23 relative to sliding seat 2, the interconnecting piece 43 when sliding seat 2 is mobile to locking end 111 The cambered surface of outer peripheral surface and limiting section 23 fit against.

As shown in connection with fig. 6, the guide rod 14 being arranged with two along 11 length direction of slideway in mounting base 1, sliding seat 2 are located at Between two guide rods 14, in a tubular form, and guide rod 14 offers evacuation towards the side of sliding seat 2 to guide rod 14 along its length Notch 141, two edges of sliding seat 2 all have guide sleeve 24, have columnar guiding along axial on the inner wall of guide sleeve 24 Portion 241, two guide sleeves 24 are slidably located in respectively on two guide rods 14, and guide part 241 pass through evacuation notch 141 and with guiding The inner wall of bar 14 is slidably matched, and two springs 5 are respectively sleeved on two guide rods 14, and one end of spring 5 is pressed on guide sleeve 24, The other end is pressed on guide rod 14 towards the end at locking end 111.

When door body is opened, the positioning plate 6 in door body can be clamped at locking end 111 and 7 phase of latch segment, and spring 5 provides Elastic thrust makes sliding seat 2 to the movement of end 112 is attracted, in the incipient stage mobile to actuation end 112 of sliding seat 2, gear member 4 Temporary stop is done under the effect of rack gear 12,2 opposed gear part 4 of sliding seat is mobile, until damping gear 31 and gear mass 2 42 It is meshed, 31 pushing tow gear member 4 of damping gear is mobile, and in the moving process of gear member 4, rack gear 12 is able to drive gear mass one 41 rotations, gear mass 1 drive damping gear 31 to rotate by gear mass 2 42, and can generate one when the rotation of damping gear 31 Fixed damping, therefore sliding seat 2 can be made slowly mobile to end 112 is attracted, to play buffer function.And work as sliding seat 2 Positioned at end 112 is attracted and when needing door-closing operation, apply certain external force to door body, so that door body is with sliding seat 2 to locking End 111 is mobile, and the meeting opposed gear part 4 of sliding seat 2 moves a certain distance, so that damping gear 31 is separated with gear member 4, until item Limiting section 23 on shape slot 21 leans with interconnecting piece 43, and then sliding seat 2 is moved together with gear member 4, is moved through herein Cheng Zhong, since gear member 4 and damping gear 31 are in discrete state, gear member 4 is only to dally under the action of rack gear 12, Damping will not be generated, so that the operation closed the door is lighter, rapid and more laborsaving.

Embodiment two:

The buffer structure of the concealed door-inhale is basically the same as the first embodiment, and difference is as shown in Figure 7, Figure 8, gear Body 1 is located on the upper side of gear mass 2 42, and interconnecting piece 43 is located on the upper side of gear mass 1, the bottom surface of slideway 11 On offer a v notch v 13 along its length, rack gear 12 is located at 13 edge of v notch v of 1 downside of mounting base, gear mass One 41 pass through a v notch v 13 and are meshed with rack gear 12, and strip groove 21, and the end stretched out are stretched out in the upper end of interconnecting piece 43 upwards Portion edge circumferentially has the connection convex edge 431 of annular, and the outer diameter of the upper end connection convex edge 431 of interconnecting piece 43 is greater than strip groove 21 Width, sliding seat 2 are located between connection convex edge downside and the upper side of gear mass 1.

Embodiment three:

The buffer structure of the concealed door-inhale is basically the same as the first embodiment, and difference is such as Fig. 9, Figure 10, Tu11Suo Show, fixed there are two rotary damper 3 on sliding seat 2, which arranges in the width direction, and damping gear 31 is solid It is scheduled on the output end of rotary damper 3 and is located at the top of sliding seat 2, rack gear 12 has two, which is located at peace Two edges of 1 upper side of seat are filled, there are two strip grooves 21, and two strip groove 21 and two damping gears 31 correspond, and item Shape slot 21 is located at damping gear 31 towards the side for being attracted end 112, and there are two gear members 4, and gear member 4 includes a gear Body 44, interconnecting piece 43 are located on 44 downside of gear mass, and two interconnecting pieces 43 distinguish sliding plug in two strip grooves 21, interconnecting piece 43 end extends downwardly strip groove 21, and the end edge stretched out circumferentially has the connection convex edge 431 of annular, connects convex edge 431 outer diameter is greater than the width of strip groove 21, and two gear masses 44 are meshed with two rack gears 12 respectively, when sliding seat 2 is to being attracted end Two damping gears 31 are meshed with two gear masses 44 respectively when 112 movement, two gears when sliding seat 2 is mobile to locking end 111 Body 44 is separated with two damping gears 31.

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 buffer structure of concealed door-inhale, door-inhale includes having the mounting base (1) of slideway (11) and being slidably arranged in cunning In sliding seat (2) on road (11), one end of the slideway (11) is locking end (111), and the other end is to be attracted end (112), described Buffer structure includes being arranged on sliding seat (2) and capable of generating the damping gear (31) of rotary resistance, on the mounting base (1) With rack gear (12), which is characterized in that rotation is equipped with the gear member (4) being meshed with rack gear (12) on the sliding seat (2), should Gear member (4) is located at damping gear (31) towards the side for being attracted end (112), and gear member (4) can be moved with respect to sliding seat (2) Dynamic, when sliding seat (2) is mobile to actuation end (112), damping gear (31) can be meshed with gear member (4), work as sliding seat (2) gear member (4) is separated with damping gear (31) when mobile to locking end (111).

2. the buffer structure of concealed door-inhale according to claim 1, which is characterized in that have on the sliding seat (2) Limiting section (23), the limiting section (23) are located at damping gear (31) towards the side for being attracted end (112), gear member (4) position Between limiting section (23) and damping gear (31), and gear member (4) can be between limiting section (23) and damping gear (31) Mobile, when sliding seat (2) is mobile to locking end (111), gear member (4) can separate with damping gear (31) and be resisted against limit In position portion (23).

3. the buffer structure of concealed door-inhale according to claim 2, which is characterized in that along cunning on the sliding seat (2) Road (11) length direction offers strip groove (21), has columnar interconnecting piece (43) on the gear member (4), the interconnecting piece (43) rotation is plugged in strip groove (21), and interconnecting piece (43) can be mobile along strip groove (21) length direction, the bar shaped The end that slot (21) direction is attracted end (112) is above-mentioned limiting section (23).

4. the buffer structure of concealed door-inhale according to claim 2 or 3, which is characterized in that the gear member (4) includes Gear mass one (41) and gear mass two (42), the gear mass one (41), gear mass two (42) and interconnecting piece (43) are integral type Structure and concentric setting, the gear mass one (41) are meshed with rack gear (12), when sliding seat (2) is moved to end (112) are attracted Gear mass two (42) can be meshed with damping gear (31) when dynamic.

5. the buffer structure of concealed door-inhale according to claim 4, which is characterized in that the tooth of the gear mass two (42) Outside diameter circle is greater than the tip diameter of gear mass one (41) and the tip diameter of damping gear (31).

6. the buffer structure of concealed door-inhale according to claim 5, which is characterized in that the gear mass one (41) is located at On the downside of gear mass two (42), the gear mass two (42) is located at the downside of sliding seat (2) and the bottom surface of slideway (11) Between, and bottom surface of the two sides of gear mass two (42) respectively with the downside of sliding seat (2) and slideway (11) is slidably matched, institute It states and is offered along its length on the bottom surface of slideway (11) v notch v (13), the rack gear (12) is located on the downside of mounting base (1) V notch v (13) edge in face, the gear mass one (41) protrude into a v notch v (13) and are meshed with rack gear (12), institute It states and is fixed on sliding seat (2) rotary damper (3), the damping gear (31) is fixed on the output end of rotary damper (3).

7. the buffer structure of concealed door-inhale according to claim 5, which is characterized in that the gear mass one (41) is located at On the upper side of gear mass two (42), offered along its length a v notch v (13) on the bottom surface of the slideway (11), it is described Rack gear (12) is located at a v notch v (13) edge of mounting base (1) downside, and the gear mass one (41) passes through a v notch v (13) and with rack gear (12) it is meshed, the upper end edge of the interconnecting piece (43) circumferentially has the connection convex edge (431) of annular, institute Sliding seat (2) are stated to be located between connection convex edge (431) downside and the upper side of gear mass one (41).

8. the buffer structure of concealed door-inhale according to claim 3, which is characterized in that fixed on the sliding seat (2) There are two rotary damper (3), which arranges in the width direction, and the damping gear (31) is fixed on rotation Turn the output end of damper (3) and be located at the top of sliding seat (2), the rack gear (12) there are two, and two rack gear (12) is respectively Positioned at two edges of mounting base (1) upper side, there are two the strip grooves (21), and strip groove (21) is located at damping gear (31) towards the side for being attracted end (112), there are two the gear members (4), and gear member (4) includes a gear mass (44), the interconnecting piece (43) is located on gear mass (44) downside, and two interconnecting pieces (43) the difference sliding plugs are at two In shape slot (21), and two gear masses (44) are meshed with two rack gears (12) respectively, when the sliding seat (2) is to being attracted end (112) Two damping gears (31) are meshed with two gear masses (44) respectively when mobile, when sliding seat (2) is mobile to locking end (111) two Gear mass (44) is separated with two damping gears (31).

9. the buffer structure of concealed door-inhale according to claim 1 or 2 or 3, which is characterized in that the mounting base (1) Being equipped with can make sliding seat (2) to end (112) mobile elastic component is attracted, and have on the mounting base (1) two along slideway (11) guide rod (14) of length direction setting, the sliding seat (2) is between two guide rods (14), and sliding seat (2) Two edges all have guide sleeve (24), and two guide sleeves (24) are slidably located in respectively on two guide rods (14), the bullet Property part be two springs (5), and two springs (5) are respectively sleeved on two guide rods (14), and one end of the spring (5), which is pressed on, leads To on set (24), the other end is pressed on guide rod (14) towards the end of locking end (111).

10. according to the buffer structure of concealed door-inhale as claimed in claim 9, which is characterized in that the guide rod (14) in a tubular form, And guide rod (14) offers evacuation notch (141) towards the side of sliding seat (2) along its length, the guide sleeve (24) There are columnar guide part (241) along axial on inner wall, which passes through evacuation notch (141) and and guide rod (14) inner wall is slidably matched.