CN208251897U - A kind of amortization door closer - Google Patents

Abstract

The utility model relates to a kind of amortization door closers, it includes touching component and Buffer Unit, the Buffer Unit includes mounting base, leading truck, force piece, the guide groove to extend internally from outside is wherein formed on leading truck, when Buffer Unit is not with touching component cooperation, under the driving of force piece, the outer end of guide groove is in the outside of mounting base；Touching component includes attachment base, touches pin, when closing, touch pin self- steering slot outer end moved into guide groove and touch leading truck after, force piece drives leading truck to rotate into mounting base step by step；It when in opening the door, touches and is displaced outwardly inside pin self- steering slot and drives leading truck outward, when leading truck is turned out to boundary point position, which is in the illegal state in rotary balance, and door stops at opening state.The utility model movement when closing is gentle, will not generate strike note, will not clamp hand；When opening the door, when door is opened to boundary point position, door is at stationary state.

Description

A kind of amortization door closer

Technical field

The utility model relates to a kind of amortization door closers.

Background technique

Currently, common or conventionally employed is a kind of door shutter with springs, which is commonly called as T-type spring at home and closes door Although device, this door shutter with springs have its structure simply and cheap one side, but its is most important the disadvantage is that when closing Impact force it is big, especially when be not intended to close speed it is too slow and when having to select the spring compared with noticeable effort, be particularly present Impact force big problem when closing, and when closing, because effect of inertia can make the movement velocity of door very fast, and often make one to come not And avoid, be easy hand folding, while generating biggish strike note in door turn-off transient, therefore, because above-mentioned reason and hinder this The further genralrlization application of kind door closer-holder.

The application is exactly that impact force is big when closing existing for above-mentioned door shutter with springs to eliminate, and is closing a moment The shortcomings that generating larger strike note, and it is appropriate to propose that one kind closes speed, movement is gentle when closing, does not generate and hits closing a moment Hit sound.

Summary of the invention

Technical problem to be solved in the utility model is to overcome the deficiencies of the prior art and provide the completely new buffering of one kind to close Door device.

In order to solve the above technical problems, the utility model adopts the following technical scheme:

A kind of amortization door closer comprising the touching component that is fixed on door, be fixed at the top of doorframe and with Component cooperation is touched with the Buffer Unit of buffered gate movement velocity, which includes mounting base, around the extension of door-hinge direction The leading truck that is rotatably arranged in mounting base of shaft and force piece for controlling leading truck divertical motion state, The guide groove to extend internally from outside is formed on middle leading truck, when Buffer Unit is not with touching component cooperation, in force piece Driving under, the outer end of guide groove is in the outside of mounting base；

Touching component includes attachment base, the touch pin that is arranged on attachment base and can move in guide groove, when closing door When, after the outer end of touch pin self- steering slot moves into guide groove and touches leading truck, force piece drives leading truck step by step It is rotated into mounting base；When in opening the door, touches and be displaced outwardly inside pin self- steering slot and drive leading truck outward, until When leading truck is turned out to boundary point position, which is in the illegal state in rotary balance, and door stops at opening state.

Specifically, guide groove includes the open section being connected to outside, from the extended segment that open section extends internally, when closing door When, open section is rotated into mounting base, when extended segment is parallel with doorframe length direction, touches pin stop motion, and be in In extended segment；When touch pin is moved to open section end from extended segment to open section, leading truck is in the taboo in rotary balance Only state, door stop at opening state.

Further, sealing plate is equipped at the top of guide groove, which is equipped with to touch pin and enter in guide groove The slope in portion, touching pin can be along the extending direction flexibly flexible setting of door-hinge.

A specific implementation according to the present utility model and preferred aspect, force piece include that setting can push up in mounting base Push away the buffer and contradict the bullet that the inside movement tendency of leading truck is able to maintain on leading truck that leading truck is rotated around shaft Property component, when closing, buffer gradually reduces the stress applied to leading truck, and elastic parts drives leading truck to mounting base Interior rotation.Therefore, the speed for closing door is relatively slow, therefore is not in two following situations: 1., closing a moment will not generate and hits Hit sound；2., will not clamp hand.

Preferably, the stress direction phase that buffer applies the stress direction that leading truck applies with elastic parts to leading truck Instead, it and is arranged in parallel, when touching component disengaging Buffer Unit, buffer is greater than elastic parts pair to the stress that leading truck applies The stress that leading truck applies.At this point, the open section of the guide groove of leading truck can be made to be located at outside mounting base.

It is further preferred that buffer include can air-breathing increase or exhaust pressure relief device ontology, setting device ontology with Pushing module between leading truck, wherein pushing module applies stress to leading truck or formation is answered in the movement of device ontology Bit buffering, with the movement velocity of buffered gate.

Preferably, elastic parts includes extending along doorframe top length direction and contradicting on leading truck from one end Mounting bracket is arranged in mounting bracket and both ends contradict spring between mounting bracket and mounting base respectively.When device sheet When body gradually becomes smaller leading truck stress, spring can push leading truck to mounting base internal motion, to buffer door closing speed.

Further, the contact end in leading truck with mounting bracket is equipped with the rolling that can be rotated around own axes direction Bearing, wherein the axial line of rolling bearing and the axis parallel of shaft are arranged, and mounting bracket contradicts outside rolling bearing Side.It is arranged by rolling bearing, is not only convenient for the divertical motion of leading truck, and can reduce kinetic equation loss, and then reduces bullet Spring requirement.

Another specific implementation according to the present utility model and preferred aspect, mounting base include connecting with doorframe top interior Panel, be detachably connected with panel and the internal outer casing and setting installation cavity formed for Buffer Unit installation cavity Interior internal frame, wherein Buffer Unit is mounted on internal frame, and the side of internal frame and outer casing is equipped with evacuation touching component movement Notch, when touching pin to when moving inside guide groove, attachment base is moved into notch, and when the door is closed, attachment base is fitted in The outer casing sets side jaggy.

In addition, attachment base includes an ontology and the housing that present body peripheral is arranged, wherein touching pin along door-hinge side It is present on ontology to flexible setting.

Preferably, touching pin includes adjusting along the adjusting nut on the extended present ontology in door-hinge direction, setting Nut pin that nut interior and self-adjusting nut top are emerged, for the bottom of adjusting nut to be passed through hole plug for nut pin Nut plug and the elastic component being arranged between nut plug and nut pin.

Due to the implementation of above technical scheme, the utility model has the advantages that compared with prior art

The utility model forms buffering during closing door, so that movement is gentle when closing, will not generate strike note, also not It can clamp hand；When opening the door, when door is opened to boundary point position, door is at stationary state, meanwhile, structure is simple, embodiment party Just, and it is at low cost.

Detailed description of the invention

The utility model is described in more detail with specific embodiment with reference to the accompanying drawing.

Fig. 1 is the schematic perspective view of the amortization door closer of the utility model；

Fig. 2 is the schematic front view of Fig. 1；

Fig. 3 is the schematic top plan view of Fig. 1；

Fig. 4 is the structural decomposition diagram of Fig. 1；

Wherein: 1, touching component；10, attachment base；100, seat ontology；101, housing；11, pin is touched；110, adjusting nut； 111, nut pin；112, nut plug；113, elastic component (spring)；

2, Buffer Unit；20, mounting base；200, panel；201, outer casing；202, internal frame；21, leading truck；21a, guiding Slot；210a, open section；210b, extended segment；210c, sealing plate；22, force piece；221, buffer；221a, device ontology；221b, top Push away module；222, elastic parts；222a, erection support；222b, spring；223, rolling bearing；

A, shaft；B, notch；C, slope.

Specific embodiment

In order to make the above objects, features, and advantages of the present application more apparent, with reference to the accompanying drawing to the application Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this Shen Please.But the application can be implemented with being much different from other way described herein, those skilled in the art can be not Similar improvement is done in the case where violating the application intension, therefore the application is not limited by the specific embodiments disclosed below.

In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or Positional relationship is merely for convenience of description the application and simplifies description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present application, the meaning of " plurality " is at least two, such as two, three It is a etc., unless otherwise specifically defined.

In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art For, the concrete meaning of above-mentioned term in this application can be understood as the case may be.

In this application unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below " One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.It needs It is bright, when element is referred to as " being fixed on " or " being set to " another element, it can directly on the other element or There may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly to separately One element may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", "upper", "lower", "left", "right" and similar statement for illustrative purposes only, are not meant to be the only embodiment.

As shown in Figure 1, amortization door closer provided in this embodiment comprising be fixed at touching component 1 on door, solid It is arranged at the top of doorframe calmly and with the touching cooperation of component 1 with the Buffer Unit 2 of buffered gate movement velocity.

In conjunction with attached drawing 2 to 4, specific structure employed in this example is as follows:

Buffer Unit 2 is rotatably arranged in mounting base 20 including mounting base 20, around the shaft a that door-hinge direction extends Leading truck 21 and force piece 22 for controlling 21 divertical motion state of leading truck are wherein formed with from outer on leading truck 21 The guide groove 21a that portion extends internally, when Buffer Unit 1 does not cooperate with touching component 2, under the driving of force piece 22, guiding The outer end of slot 21a is in the outside of mounting base 20.

The touch pin that touching component 1 includes attachment base 10, is arranged on attachment base 10 and can move in guide groove 21a 11, when closing, touch 11 self- steering slot 21a of pin outer end moved into guide groove 21a and touch leading truck 21 after, power Part 22 drives leading truck 21 to rotate into mounting base 20 step by step；When in open the door when, touch 11 self- steering slot 21a of pin inside to Outer movement simultaneously drives leading truck 21 outward, and when leading truck 21 is turned out to boundary point position, which, which is in, turns Illegal state in dynamic balancing, door stop at opening state.

Specifically, attachment base 10 includes seat ontology 100 and the housing 101 that present 100 periphery of ontology is arranged, wherein touching Dynamic pin 11 is present on ontology 100 along the setting that door-hinge direction is stretched.

Touching pin 11 includes adjusting along the adjusting nut 110 on the extended present ontology 100 in door-hinge direction, setting The nut pin 111 emerged at the top of the inside of nut 110 and self-adjusting nut 110, for by the bottom of adjusting nut 110 for nut pin 111 across the nut plug 112 of hole plug and the elastic component 113 being arranged in nut plug 112 and nut pin 111.

Mounting base 20 includes the panel 200 connecting with doorframe top interior, is detachably connected with panel 200 and inside is formed For the outer casing 201 and the setting intracorporal internal frame 202 of installation cavity of Buffer Unit installation cavity, wherein Buffer Unit 2 is mounted on On internal frame 202, and the side of internal frame 202 and outer casing 201 is equipped with the notch b of evacuation touching component movement, when touch pin 11 to When moving inside guide groove 21, attachment base 10 is moved into notch b, and when the door is closed, attachment base 10 is fitted in outer casing 201 Side equipped with notch b.

Leading truck 21 is arranged on internal frame 202 by shaft a, and the guide groove 21a formed includes opening with what outside was connected to Mouthful section 210a, from the open section 210a extended segment 210b to extend internally and it is formed in the top open section 210a and extended segment 210b The sealing plate 210c in portion.

In this example, it is equipped in the outer end of sealing plate 210 convenient for touching pin 11 into the slope c inside guide groove 21a.

After the nut pin 111 and ramp interface of scalable movement, 111 retracted downward of nut pin, and squeeze elastic component 113 (spring used in this example) then remains the bottom state contradicted at the top of nut pin 111 in sealing plate 210c, to guide groove It is mobile inside 21a.Therefore, the stretching motion of nut pin 111 causes nut when preventing touching component 1 and Buffer Unit 2 from cooperating The shock or damage of pin 111.

Specifically, open section 210a is rotated into mounting base 20, until extended segment 210b and doorframe length side when closing To it is parallel when, touch 11 stop motion of pin, and in the 210b of extended segment；When touch pin 11 is from extended segment 210b to open section When 210a is moved to open section end, leading truck 21 is in the illegal state in rotary balance (it is, all pairs of leading trucks 21 The sum of torque of generation is that zero), door stops at opening state.

Force piece 22 include be arranged in mounting base 20 can pushing tow leading truck 21 rotated around shaft a buffer 221, And contradict and be able to maintain the elastic parts 222 of the inside movement tendency of leading truck 21 on leading truck 21, when closing, buffer 221 gradually reduce the stress applied to leading truck 21, and elastic parts 222 drives leading truck 21 to rotate into mounting base 20.Cause This, the speed for closing door is relatively slow, therefore is not in two following situations: 1., closing a moment will not generate strike note；②, It will not clamp hand.

In this example, buffer 221 answers leading truck application the stress direction that leading truck 21 applies with elastic parts 222 Power is contrary, and is arranged in parallel, and when touching the disengaging Buffer Unit 2 of component 1, buffer 221 answers 21 application of leading truck Power is greater than the stress that elastic parts 222 applies leading truck 21, at this point, can make opening for the guide groove 21a of leading truck 21 Mouth section 210a is located at outside mounting base 20.

Buffer 221 include can air-breathing increase or exhaust pressure relief device ontology 221a, setting device ontology 221a with lead To the pushing module 221b between frame 21, wherein pushing module 221b applies leading truck 21 in the movement of device ontology 221a The reset of stress or formation buffering, with the movement velocity of buffered gate.

In this example, device ontology 221a has two groups, and is arranged side by side that (device ontology 221a is the direct outsourcing of application, is belonged to existing There is technology, its principle is not described in detail herein).

Elastic parts 222 includes extending along doorframe top length direction and contradicting the peace on leading truck 21 from one end Bracket 222a is filled, is arranged in mounting bracket 222a and both ends are contradicted respectively between mounting bracket 222a and mounting base 20 Spring 222b.When device ontology 221a gradually becomes smaller 21 stress of leading truck, spring 222b can push leading truck 21 to installation 20 internal motions of seat, to buffer door closing speed.

Meanwhile the rolling that can be rotated around own axes direction is equipped with the contact end of mounting bracket 222a in leading truck 21 Dynamic bearing 223, wherein the axis parallel of the axial line of rolling bearing 223 and shaft a are arranged, and mounting bracket 222a conflict is being rolled Moving axis 223 holds external side.It is arranged by rolling bearing, is not only convenient for the divertical motion of leading truck, and can reduce power Loss, and then reduce spring requirement.

In conclusion the state description of the present embodiment is as follows:

Disengaged position: when touching component 1 and Buffer Unit 2 completely disengages, under the driving of force piece 22, guide groove The outer end of 21a is in the outside of mounting base 20；

Shutdown state: at closing time, touching component 1 is to the close movement of Buffer Unit 2, until 111 retracted downward of nut pin Into in the guide groove 21a of leading truck 21, and to leading truck 21 apply external force after, the gradually pressure release of buffer 221, in elastic parts Under 222 driving, leading truck 21 is rotated into mounting base 20, when extended segment 210b is parallel with doorframe length direction, nut 111 stop motion of pin, and in the 210b of extended segment, while the attachment base 10 for touching component 1 is in notch, and is fitted in outer Housing 201 is equipped with the side of notch b；

Door opening state: when pushing, nut pin 111 is mobile from extended segment 210b to open section 210a, until leading truck 21 When the state that the sum of torque being subject to is zero, leading truck 21 at this time is in the illegal state in rotary balance, and therefore, door stops In opening state.

The utility model is described in detail above, its object is to allow the personage for being familiar with this field technology can be much of that It solves the content of the utility model and is implemented, do not limit the protection scope of the present invention, and the utility model The above embodiments are not limited to, equivalent change or modification made by all Spirit Essences according to the present utility model should all cover The protection scope of the utility model.

Claims (10)

1. a kind of amortization door closer, the amortization door closer includes the touching component being fixed on door, is fixed at Cooperate at the top of doorframe and with the touching component with the Buffer Unit of buffered gate movement velocity, it is characterised in that:

The Buffer Unit include mounting base, around door-hinge direction extend shaft be rotatably arranged at leading in the mounting base Force piece to frame and for controlling the leading truck divertical motion state, wherein being formed on the leading truck certainly The guide groove that outside extends internally, when the Buffer Unit does not cooperate with the touching component, in the drive of the force piece Under making, the outer end of the guide groove is in the outside of the mounting base；

The touch pin that the touching component includes attachment base, is arranged on attachment base and can move in the guide groove, When closing, the touch pin moves into the guide groove from the outer end of the guide groove and touches the leading truck Afterwards, the force piece drives the leading truck to rotate into the mounting base step by step；When in opening the door, the touch pin It is displaced outwardly from inside the guide groove and drives the leading truck outward, until the leading truck is turned out to boundary's point When position, the leading truck is in the illegal state in rotary balance, and door stops at opening state.

2. amortization door closer according to claim 1, it is characterised in that: the guide groove includes opening with what outside was connected to Mouthful section, from the extended segment that the open section extends internally, when closing, the open section is rotated into the mounting base, directly When parallel with the doorframe length direction to the extended segment, the touch pin stop motion, and it is in the extended segment It is interior；When the touch pin is moved to the open section end from the extended segment to the open section, described is led It is in the illegal state in rotary balance to frame, door stops at opening state.

3. amortization door closer according to claim 2, it is characterised in that: be equipped with sealing plate, institute at the top of the guide groove It states sealing plate outer end and is equipped with and enter the slope inside the guide groove convenient for the pin that touches, the touch pin can be along door The extending direction of axis, which flexibly stretches, to be arranged.

4. amortization door closer according to claim 1, it is characterised in that: the force piece includes that the peace is arranged in Filling in seat the buffer that rotates around the shaft of leading truck described in pushing tow and can contradict the energy on the leading truck Enough elastic parts for keeping the inside movement tendency of leading truck, when closing, the buffer is gradually reduced to described The stress that leading truck applies, the elastic parts drive the leading truck to rotate into the mounting base.

5. amortization door closer according to claim 4, it is characterised in that: the buffer applies the leading truck Stress direction and the elastic parts stress direction that the leading truck is applied on the contrary, and be arranged in parallel, when the touching When touching the component disengaging Buffer Unit, the buffer is greater than the elastic parts to the stress that the leading truck applies The stress that the leading truck is applied.

6. amortization door closer according to claim 4 or 5, it is characterised in that: the buffer includes being capable of air-breathing increasing Add or the device ontology of exhaust pressure relief, the pushing module that is arranged between the device ontology and the leading truck, wherein described In the movement of device ontology, the reset that the pushing module applies stress or formation to the leading truck is buffered, with buffered gate Movement velocity.

7. amortization door closer according to claim 4 or 5, it is characterised in that: the elastic parts includes along described Doorframe top length direction extends and contradicts mounting bracket on the leading truck from one end, the installation branch is arranged in In frame and both ends contradict the spring between the mounting bracket and the mounting base respectively.

8. amortization door closer according to claim 7, it is characterised in that: in connecing for the leading truck and the mounting bracket Contacting end portion is equipped with the rolling bearing that can be rotated around own axes direction, wherein the axial line of the rolling bearing and the shaft Axis parallel setting, the mounting bracket contradicts the side outside the rolling bearing.

9. amortization door closer according to claim 1, it is characterised in that: the mounting base include and the doorframe at the top of The panel of inside connection, be detachably connected with the panel and it is internal formed the outer casing for Buffer Unit installation cavity, And the setting intracorporal internal frame of installation cavity, wherein the Buffer Unit is mounted on the internal frame, and the internal frame The notch of the evacuation touching component movement is equipped with the side of the outer casing, when the touch is sold in the guiding When mobile inside slot, the attachment base is moved into the notch, and when the door is closed, the attachment base is fitted in described outer Housing is equipped with the side of the notch.

10. amortization door closer according to claim 1, it is characterised in that: the attachment base includes seat ontology, Yi Jishe The housing in the seat body peripheral is set, wherein the touch pin includes being extended on the seat ontology along door-hinge direction On adjusting nut, be arranged in inside the adjusting nut and emerge from the top of the adjusting nut nut pin, for by institute State the bottom of adjusting nut for the nut pin pass through hole plug nut plug and setting the nut plug with it is described Elastic component between nut pin.