CN207406175U - A kind of mute oil-free hinge - Google Patents

Abstract

The utility model discloses a kind of mute oil-free hinges, it is related to hinge technical field, it includes the first leaf of hinge, the second leaf of hinge, mandrel and plastic sleeve, first leaf of hinge is formed with shaft hole with second leaf of hinge, the mandrel is mounted in the shaft hole, and the plastic sleeve is arranged between the mandrel and the shaft hole wall, and is set in the periphery of the mandrel, the periphery of the plastic sleeve is outward extended with a flange, and the flange is formed with the shaft hole and is interference fitted.Metal rigidity friction between traditional mandrel and hinge is changed into the flexible friction between mandrel and plastic sleeve by the presence of the plastic sleeve, greatly reduce the frictional force between mandrel and hinge, so as to reduce the noise that hinge is generated when rotating, simultaneously, due to the reduction of frictional force, the abrasion to hinge can also be reduced, then improves the service life of hinge.

Description

A kind of mute oil-free hinge

Technical field

The utility model is related to hinge technical field more particularly to a kind of mute oil-free hinges.

Background technology

People have been difficult to see wooden " door axis " in modern architecture, and the door and window of modern architecture uses metallic door mostly Axis hinge, instead of ancient " door axis ", the utility model in " door axis " this ancient times still retains the door-hinge hinge of modern production On the old-fashioned door and window of some of some ancient buildings and Guanzhong area civil construction.

Hinge also known as hinge, formal name are hinge, and two foldings of normal composition are two parts of attached article and can be allowed to living Dynamic component.Hinge is a kind of device for connecting or rotating, and makes door, lid or other tilting members can be so as to rotating, usually A pair of of the metal blade connected by pin forms.

For ready-made hinge for cabinet, door, window etc., material has irony, copper and stainless steel.The shortcomings that ready-made hinge is not There is spring hinge, various collision beads must be loaded on after hinge is installed, otherwise wind can blow door-plate.

Shaft core is typically inserted into shaft hole during use, is rotatably connected hinge, so by ready-made hinge Tack is pressed at the both ends of hinge afterwards, still, due to being form that face contacts between shaft core and shaft hole, along with the first hinge Axis hole circle caused by the physical characteristic of processing technology and metal material rebound of the axis hole of piece and the second leaf of hinge when production Shape distortion so when hinge rotates, can generate very big frictional force, the presence on the one hand meeting of the frictional force between metal The rotation for influencing hinge is smoothly spent, permanent in this way, can be had a huge impact to the service life of hinge, on the other hand, when door carries out During folding, the friction sound can be also generated, noise is generated, influences using effect.

Utility model content

The utility model provides a kind of mute oil-free hinge, to solve existing hinge since the frictional force between metal is big The problem of noise caused by and is big, short life.

For this purpose, a kind of mute oil-free hinge is provided in a kind of embodiment, including the first leaf of hinge, the second leaf of hinge and core Axis, first leaf of hinge have the first connecting pin, second leaf of hinge have second connection end, first connecting pin with The second connection end docking is to form shaft hole, and the mandrel is installed in the shaft hole, first leaf of hinge and institute The second leaf of hinge is stated to be rotatablely connected by the mandrel.

In addition, the mute oil-free hinge further includes plastic sleeve, the plastic sleeve is arranged on the mandrel and described turn Between axis hole wall, and the periphery of the mandrel is set in, the periphery of the plastic sleeve is outward extended with a flange, the flange It is formed and is interference fitted with the shaft hole.

As the further alternative of the mute oil-free hinge, the plastic sleeve is multiple and along the mandrel It is axial arranged.

As the further alternative of the mute oil-free hinge, the plastic sleeve is four, four plasticity Two in sleeve are arranged in first connecting pin, and another two is arranged in the second connection end.

As the further alternative of the mute oil-free hinge, two modelings in first connecting pin Property sleeve end face and first connecting pin end face.

As the further alternative of the mute oil-free hinge, two modelings in the second connection end Property sleeve end face and the second connection end end face.

As the further alternative of the mute oil-free hinge, the plastic sleeve uses Wear-resistant engineering plastic.

As the further alternative of the mute oil-free hinge, the flange is arranged at the end of the plastic sleeve Portion, the plastic sleeve are docked in one end with the flange.

As the further alternative of the mute oil-free hinge, positioning buffer gasket, the positioning buffering are further included Washer is set in the middle part of the mandrel, and the plastic sleeve is from the positioning buffer gasket to the both ends pair of the mandrel Claim arrangement.

As the further alternative of the mute oil-free hinge, the mute oil-free hinge further includes plug, described Plug is arranged on the both ends of the shaft hole.

As the further alternative of the mute oil-free hinge, on first leaf of hinge and second leaf of hinge Also it is uniformly provided with multiple mounting holes.

The beneficial effects of the utility model：

According to the mute oil-free hinge in above-described embodiment, due to being arranged with plastic sleeve, and plasticity in the periphery of mandrel The periphery of sleeve is outward extended with a flange, and interference fit is formed between the flange and hinge, enables plastic sleeve at this time As hinge rotates together, in the rotation process of hinge, the presence of the plastic sleeve will be between traditional mandrel and hinge Metal rigidity friction is changed into the flexible friction between mandrel and plastic sleeve, greatly reduces the friction between mandrel and hinge Power so as to reduce the abrasion of hinge, then improves the service life of hinge.On the other hand, due to the presence of plastic sleeve, The noise that hinge is generated when rotating can also be reduced to a certain extent.

Description of the drawings

It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 shows a kind of front view of the mute oil-free hinge provided according to the utility model embodiment；

Fig. 2 shows the mandrel and plastic sleeve of a kind of mute oil-free hinge provided according to the utility model embodiment Installation diagram；

Fig. 3 shows a kind of structural representation of the mandrel of the mute oil-free hinge provided according to the utility model embodiment Figure；

Fig. 4 shows that a kind of plastic sleeve of the mute oil-free hinge provided according to the utility model embodiment, positioning are slow Rush the distribution relation figure of washer and plug.

Main element symbol description：

The first leaf of hinge of 100-；The second leaf of hinge of 200-；The 3rd leaf of hinge of 300-；400- plastic sleeves；500- positioning is slow Rush washer；600- plugs；The first connecting pins of 110-；120- mounting holes；210- second connection ends；410- flanges.

Specific embodiment

Hereinafter, the various embodiments of the disclosure will be described more fully with reference to attached drawing.The disclosure can have various realities Example is applied, and can adjust and change wherein.Therefore, will in more detail be retouched with reference to the specific embodiment being shown in the drawings State the disclosure.It should be understood, however, that：There is no the meanings that the various embodiments of the disclosure are limited to specific embodiment disclosed herein Figure, but the disclosure should be interpreted as covering all adjustment in the spirit and scope for the various embodiments for falling into the disclosure, etc. Jljl and/or alternative.Description taken together with the accompanying drawings, the same same element of reference numerals.

Hereinafter, disclosed in the term " comprising " that can be used in the various embodiments of the disclosure or " may include " instruction Function, operation or the presence of element, and do not limit the increase of one or more functions, operation or element.In addition, such as exist Used in the various embodiments of the disclosure, term " comprising ", " having " and its cognate are meant only to represent special characteristic, number Word, step, operation, the combination of element, component or foregoing item, and be understood not to exclude first one or more other Feature, number, step, operation, element, component or foregoing item combination presence or increase one or more features, number, Step, operation, element, component or foregoing item combination possibility.

In the various embodiments of the disclosure, stating "or" or " at least one in A or/and B " includes what is listed file names with Any combinations of word or all combinations.For example, statement " A or B " or " at least one in A or/and B " may include A, Ke Bao It includes B or may include A and B both.

The statement (" first ", " second " etc.) used in the various embodiments of the disclosure can be modified in various implementations Various constituent element in example, but respective sets can not be limited into element.For example, presented above be not intended to limit the suitable of the element Sequence and/or importance.The purpose presented above for being only used for differentiating an element and other elements.For example, the first user fills It puts and indicates different user device with second user device, although the two is all user apparatus.For example, each of the disclosure is not being departed from In the case of the scope of kind embodiment, first element is referred to alternatively as second element, and similarly, second element is also referred to as first Element.

It should be noted that：It, can be by the first composition member if a constituent element ' attach ' to another constituent element by description Part is directly connected to the second constituent element, and " connection " the 3rd can be formed between the first constituent element and the second constituent element Element.On the contrary, when a constituent element " being directly connected to " is arrived another constituent element, it will be appreciated that be in the first constituent element And second the 3rd constituent element is not present between constituent element.

The term used in the various embodiments of the disclosure is used only for the purpose of describing specific embodiments and not anticipates In the various embodiments of the limitation disclosure.As used herein, singulative is intended to also include plural form, unless context is clear Chu it is indicated otherwise.Unless otherwise defined, otherwise all terms (including technical term and scientific terminology) used herein have There is the meaning identical with the various normally understood meanings of embodiment one skilled in the art of the disclosure.The term (term such as limited in the dictionary generally used) is to be interpreted as having and situational meaning in the related technical field Identical meaning and the meaning of Utopian meaning or overly formal will be interpreted as having, unless in the various of the disclosure It is clearly defined in embodiment.

Below in conjunction with the accompanying drawings, elaborate to specific embodiment of the present utility model.

Embodiment

- 3 are please referred to Fig.1, the present embodiment provides a kind of mute oil-free hinges, are closed including the first leaf of hinge 100, second Hinge 200 and mandrel 300, the first leaf of hinge 100 have the first connecting pin 110, and the second leaf of hinge 200 has second connection end 210, the first connecting pin 110 docks to form shaft hole with second connection end 210, and mandrel 300 is installed in shaft hole, and first closes Hinge 100 is rotatablely connected with second leaf of hinge 200 by mandrel 300.

In this way, the effect by mandrel 300, you can so that occurring between the first leaf of hinge 100 and the second leaf of hinge 200 It relatively rotates, the first leaf of hinge 100 and the second leaf of hinge 200 is mounted on to the surface of two other structures or component respectively When, for example, the surface of cupboard door, window, door etc. can be mounted on, opening between the structure or component can be realized after installation is complete It closes.

It in some embodiments, can be in order to realize the installation of the first leaf of hinge 100 or the second leaf of hinge 200 One leaf of hinge 100 either set on the second leaf of hinge 200 up and down perforative mounting hole 120 again by screw or bolt etc. i.e. It can either the second leaf of hinge 200 be fixed on the surface of other structures or component by the first leaf of hinge 100.

It in other embodiments, can also be in the first leaf of hinge 100 or for the difference of hinge use occasion The surfaces of two leaf of hinge 200 sets viscous layer, by the viscous effect of viscous layer by the first leaf of hinge 100 or the second hinge Piece 200 is fixed on the surface of other structures or component.

It should be noted that the specific moulding of the first leaf of hinge 100 or the second leaf of hinge 200 is unrestricted.For example, work as The first leaf of hinge 100 or the second leaf of hinge 200 can be configured to flat when the surface of other structures either component is plane Shape, when the surface of other structures or component is plane be arc surface when some other irregular face, can be by first 100 or second leaf of hinge 200 of leaf of hinge is configured to the shape being adapted with some other irregular faces such as arc surfaces, so as to Complete the installation of the first leaf of hinge 100 or the second leaf of hinge 200.

It should be further noted that the first connecting pin 110 and second connection end 210 in the utility model embodiment The mode for forming shaft hole is also not construed as limiting.For example, the first connecting pin 110 can be set to cross structure with second connection end 210, That is the front end of the first leaf of hinge 100 sets the first connecting pin 110, the first connecting pin 110 be internally provided with axially through it is logical Hole, the rear end of the second leaf of hinge 200 set second connection end 210, second connection end 210 be internally provided with axially through it is logical Hole, at this time when the first leaf of hinge 100 is docked with the second leaf of hinge 200, above-mentioned first connecting pin 110 and second connection end 210 Just docking forms a complete shaft hole.For another example, the first connecting pin 110 can be set to cross knot with second connection end 210 Structure sets the first connecting pin 110, in being internally provided in the first connecting pin 110 in the front end of the first leaf of hinge 100 and end Axially through through hole, the second leaf of hinge 200 middle part set second connection end 210, the inside of second connection end 210 is set Have axially through through hole, at this time when the first leaf of hinge 100 is docked with the second leaf of hinge 200, second connection end 210 is connected to Between two the first connecting pins 110, a complete shaft hole is collectively formed.

Usually, in order to improve the connection effect between the first leaf of hinge 100 and the second leaf of hinge 200, friendship is preferably used Pitch structure type.The utility model is described further with second of chi structure below.

Mute oil-free hinge in the utility model embodiment further includes plastic sleeve 400, which is set Between mandrel 300 and shaft hole wall, and the periphery of mandrel 300 is set in, it is convex that the periphery of plastic sleeve 400 is outward extended with one Edge 410, flange 410 are formed with shaft hole and are interference fitted.

At this point it is possible to understand, due to being arranged with plastic sleeve 400 in the periphery of mandrel 300, and plastic sleeve 400 is outer It is outward extended with a flange 410 week, interference fit is formed between the flange 410 and shaft hole, can cause plastic sleeve 400 at this time It can together be rotated with hinge, the rotation between the mandrel 300 and leaf of hinge of script is converted into plastic sleeve 400 with closing Rotation between hinge, so that in the rotation process of leaf of hinge, the presence of the plastic sleeve 400 is by traditional mandrel Metal rigidity friction between 300 and leaf of hinge is changed into the flexible friction between mandrel 300 and plastic sleeve 400, drops significantly Low frictional force between mandrel 300 and leaf of hinge, so as to reduce the abrasion of leaf of hinge, then improves the use of leaf of hinge Service life.On the other hand, due to the presence of plastic sleeve 400, moreover it is possible to reduce what leaf of hinge was generated when rotating to a certain extent Noise.

Simultaneously as the presence of the flange 410 causes between also having been left between plastic sleeve 400 and the inner wall of shaft hole Gap can fill some fillers with sealing effect in the gap at this time so that the first leaf of hinge 100 and the second hinge Rotation between piece 200 is more stable, and connection is more reliable.

It should be noted that although the presence of plastic sleeve 400 is firm by the metal between traditional mandrel 300 and leaf of hinge Frottage is changed into the flexible friction between mandrel 300 and plastic sleeve 400, but friction still remains, for this purpose, in order to eliminate The flexible friction impacts mandrel 300, and in some embodiments, Wear-resistant engineering plastic system can be selected in plastic sleeve 400 Into the service life of plastic sleeve being so greatly improved, so as to improve the service life of entire mute oil-free hinge.

It in order to eliminate the influence, in other embodiments, please refers to Fig.4, a polished rod can be selected in mandrel 300, such as This can cause the frictional force between the mandrel 300 and plastic sleeve 400 to be further reduced, and be closed with further extending the mute oil-free The service life of page.

In the utility model embodiment, plastic sleeve 400 is multiple and along the axial arranged of mandrel 300, plasticity set Cylinder 400 should be covered with mandrel along the axial direction of mandrel 300 so that mandrel 300 is set in the inside of plastic sleeve 400 comprehensively, into one Step protects mandrel 300.

Further, in the utility model some specific embodiments, plastic sleeve 400 is four, wherein, four Two in plastic sleeve 400 are arranged in the first connecting pin 110, and another two is arranged in second connection end 210.

According to above it will be appreciated that, the first connecting pin 110 is two, and second connection end 210 is one, and second connection end 210 Between two the first connecting pins 110, at this point it is possible to understand, a plasticity set can be set in each first connecting pin 110 Cylinder 400 can set two plastic sleeves 400 in intermediate second connection end 210.

As a result, the distribution of plastic sleeve 400 is reasonable, rotated when between the first leaf of hinge 100 and the second leaf of hinge 200 When, the presence of plastic sleeve 400 will not have an impact rotation, ensure that when 200 turns of the first leaf of hinge 100 and the second leaf of hinge Dynamic is smoothed out.

Further, the length of two plastic sleeves 400 inside second connection end 210 should be approximate or equal to this The entire length of second connection end 210 can so cause the end for two plastic sleeves 400 being located in second connection end 210 Face and the end face of second connection end 210.

Similarly, the length of the plastic sleeve 400 inside each first connecting pin 110 should it is approximate or equal to this The length of one connecting pin 110 can so cause the end face and for two plastic sleeves 400 being located in the first connecting pin 110 The end face of one connecting pin 110.

In some embodiments, -3 are please referred to Fig.1, flange 410 is arranged on the end of plastic sleeve 400, so that Plastic sleeve 400 inside the first connecting pin 110 and the plastic sleeve 400 inside second connection end 210 with It is docked one end of flange 410.The flange 410 is connected to the first connecting pin 110 and the phase of second connection end 210 at this time At friendship, which plays an effect supported at this time, and the first connecting pin 110 is pushed up outward with second connection end 210, protects Demonstrate,proving the first leaf of hinge 100 will not shake with the second leaf of hinge 200 when rotating, and improve the use effect of mute oil-free hinge Fruit.

In some embodiments, the first leaf of hinge 100 and the second leaf of hinge 200 are in rotation process in order to prevent, place The abrasion between two plastic sleeves 400 in second connection end 210, it is fixed to be additionally provided between two plastic sleeves 400 Bit buffering washer 500, at this point, two plastic sleeves 400 are docking together by the positioning buffer gasket 500.

On the other hand, multiple plastic sleeves 400 can also be formed the effect of positioning and support by positioning buffer gasket 500, Plastic sleeve 400 is made more to stablize in rotation process.

With continued reference to Fig. 1-3, in some embodiments, which further includes plug 600, and plug 600 is set It puts at the both ends of shaft hole, which enables to shaft hole to form a hole closed at both ends, avoids dust etc. other one A little sundries enter in shaft hole and influence between mandrel 300 and plastic sleeve 400 and rotate.

In all examples being illustrated and described herein, any occurrence should be construed as merely illustrative, without It is as limitation, therefore, other examples of exemplary embodiment can have different values.

It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.

Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed, But therefore it can not be interpreted as the limitation to the scope of the utility model.It should be pointed out that the ordinary skill for this field For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this The protection domain of utility model.Therefore, the scope of protection of the utility model should be determined by the appended claims.

Claims (10)

1. a kind of mute oil-free hinge, including the first leaf of hinge, the second leaf of hinge and mandrel, first leaf of hinge has first Connecting pin, second leaf of hinge have second connection end, and first connecting pin docks to be formed with the second connection end Shaft hole, the mandrel are installed in the shaft hole, and first leaf of hinge passes through the mandrel with second leaf of hinge Rotation connection, which is characterized in that the mute oil-free hinge further includes：

Plastic sleeve, the plastic sleeve is arranged between the mandrel and the shaft hole wall, and is set in the mandrel Periphery, the periphery of the plastic sleeve are outward extended with a flange, and the flange is formed with the shaft hole and is interference fitted.

2. mute oil-free hinge as described in claim 1, which is characterized in that the plastic sleeve is multiple and along the mandrel It is axial arranged.

3. mute oil-free hinge as claimed in claim 2, which is characterized in that the plastic sleeve is four, four modelings Two in property sleeve are arranged in first connecting pin, and another two is arranged in the second connection end.

4. mute oil-free hinge as claimed in claim 3, which is characterized in that described in two in first connecting pin The end face of the end face of plastic sleeve and first connecting pin.

5. mute oil-free hinge as claimed in claim 3, which is characterized in that described in two in the second connection end The end face of plastic sleeve and the end face of the second connection end.

6. such as the mute oil-free hinge of claim 1-5 any one of them, which is characterized in that the plastic sleeve uses resistance to grinder Engineering plastics.

7. mute oil-free hinge as described in claim 1, which is characterized in that the flange is arranged at the end of the plastic sleeve Portion, the plastic sleeve are docked in one end with the flange.

8. mute oil-free hinge as described in claim 1, which is characterized in that the mute oil-free hinge further includes positioning buffering Washer, the positioning buffer gasket are set in the middle part of the mandrel, and the plastic sleeve is from the positioning buffer gasket It is arranged symmetrically to the both ends of the mandrel.

9. mute oil-free hinge as described in claim 1, which is characterized in that the mute oil-free hinge further includes plug, institute State the both ends that plug is arranged on the shaft hole.

10. mute oil-free hinge as described in claim 1, which is characterized in that first leaf of hinge and second hinge On piece is also uniformly provided with multiple mounting holes.