CN209112059U - Hinge and the vehicle mirrors that hinge is arranged - Google Patents

Abstract

This application involves a kind of hinges, comprising: shell；Connector, shell are revolvably installed on connector；Shaft is fixed to connector, and passes through shell, and shell is rotated around shaft relative to connector；Torsion unit, is shape-ordinatedly fixed in shell, is formed and is engaged with the outer surface of shaft, and during shell is rotated around shaft, torsion unit is rotated together with shell, and provides friction torque to shaft；Press rods are inserted between shell and torsion unit, for torsion unit to be pressed to shell.The application further relates to a kind of vehicle mirrors comprising is equipped with the hinge according to the application.

Description

Hinge and the vehicle mirrors that hinge is arranged

Technical field

This application involves a kind of hinge, especially a kind of can provide in any rotation position to stablize friction torque and then positioning Hinge.The application further relates to a kind of vehicle mirrors that the hinge is arranged.

Background technique

The mechanical device that hinge is for connection to two objects and allows to do to relatively rotate between two objects.Hinge is usual Including two parts being respectively fixed on the two objects and shaft, two parts of hinge can around shaft relative to It is mutually rotating, the relative rotation between two objects is provided with this.

Hinge has a wide range of applications.In some applications, it may be desirable to during the relative rotation of two parts of hinge, Always there is stable friction torque between the two parts, hinge is allowed to stop at any rotation position (i.e. rotation angle Degree), and resist external action to a certain extent and keep the rotation position.After a kind of such application environment is vehicle The rearview mirror of visor, especially oversize vehicle.Since oversize vehicle is most commonly used in environment, application environments such as construction works Very severe, existing hinge are unable to satisfy intensity requirement.Therefore it needs to propose a kind of hinge, rearview mirror is connected to car body Hinge provides friction torque, so that rearview mirror to be maintained to the rotation position of needs, additionally it is possible to provide hinge and rearview mirror Being bonded between mirror holder.

On the other hand, existing engineering truck uses fixed mirror holder to install rearview mirror substantially.Such fixed mirror One problem of frame is, when vehicle needs to cross by slype or vehicle, the fixed rearview mirror stretched out can interfere vehicle Traveling, reduce the actual capacity of vehicle.This is very unfavorable for engineering truck.In this regard, needing to develop A kind of rearview mirror mirror holder that can be rotated for engineering truck, wherein rearview mirror mirror holder can be by being rotated in the work of stretching, extension Switch between position and the off-position of withdrawal.In this way, when rearview mirror mirror holder is in the off-position withdrawn, Neng Goujie The space that rearview mirror mirror holder occupies is saved, to effectively promote the traffic capacity of vehicle.

Utility model content

The application proposes a kind of hinge, can at least partly solve the above problems.

According to a kind of hinge of the application, comprising: shell；Connector, shell are revolvably installed on connector；Turn Axis is fixed to connector, and passes through shell, and shell is rotated around shaft relative to connector；Torsion unit, It is shape-ordinatedly fixed in shell, is formed and is engaged with the outer surface of shaft, surrounds the process of shaft rotation in shell In, torsion unit is rotated together with shell, and provides friction torque to shaft；Press rods are inserted in shell and torsion Between unit, for torsion unit to be pressed to shell.

In one embodiment, connector includes the first connector and the second connector, and the first connector has wedge shape prominent It rises and snap openings, the second connector respectively corresponds with the wedge-shaped projection and snap openings with the first connector and be able to cooperate installation Snap openings and wedge-shaped projection, so that the first connector and the second connector can be connected to connector.

In one embodiment, shell is substantially in constitute T-shaped, the cross by transversal tubular component and longitudinal tubular component It is revolvably installed on connector to tubular part, shaft passes through transversal tubular component, and one end of transversal tubular component It is connect via an O-ring with one of the first connector and the second connector, the other end of transverse pipe rotation member is then via one Bushing and an O-ring and the first connector and the wherein another connection of the second connector.

In one embodiment, torsion unit is maintained in the transversal tubular component of shell by bushing, and is had for shaft The bush hole passed through；There is sealing element between bushing and transversal tubular component.

In one embodiment, one end that the transversal tubular component of shell is cooperated to bushing has positioning region, and positioning region is matched The location hole of bushing and the corresponding location hole of sealing element are closed, so that bushing and sealing element are positioned relative to shell.

In one embodiment, torsion unit is axially stacked multiple sheet components along shaft, each torsion unit Apply the foot of torque with the head for being fixed to shell and to shaft.

In one embodiment, the foot of torsion unit, which is formed, has annulus jaggy, and shaft passes through the foot of torsion unit The annulus that portion is formed.

In one embodiment, the foot of torsion unit is formed as foot's semicircular in shape, configuration, sickle-shaped, question mark shaped； The torsion units alternately of identical or different shape stacks；It is adjusted by the quantity or the shape of torsion unit that change torsion unit The torque that shaft is applied.

In one embodiment, press rods are parallel to the bar of shaft, are located at head and the shell of each torsion unit Between, the head of each torsion unit is pressed to shell；And shell has stopper section, to limit shell and connector it Between relative rotation angle.

According to a kind of vehicle mirrors of the application, it is equipped with the hinge according to the application.

Detailed description of the invention

Hereinafter, embodiments herein will be described in further detail referring to the attached drawings, in attached drawing:

Figure 1A is the perspective view of the hinge of the application；

Figure 1B, Fig. 1 C, Fig. 1 D, Fig. 1 E, Fig. 1 F, Fig. 1 G be respectively the main view of the application hinge, rearview, left view, Right view, top and bottom perspective views；

Fig. 2 is the stereogram exploded view of the hinge of the application；

Fig. 3 A and Fig. 3 B are the views of the not ipsilateral observation of a connector of the hinge of the application；

Fig. 4 is the perspective view of the connector of Fig. 3；

Fig. 5 A and Fig. 5 B are the views of the not ipsilateral observation of the shell of the hinge of the application；

Fig. 6 A and Fig. 6 B are the perspective view of the different perspectives observation of the shell of Fig. 5 respectively；

Fig. 7 is the perspective view of the shaft of the hinge of the application；

Fig. 8 is the perspective view of the torsion unit of the hinge of the application；

Fig. 9 is the perspective view of the sealing element of the hinge of the application；

Figure 10 is the perspective view of the bushing of the hinge of the application；

Figure 11 is the cross-sectional view of the line A-A interception in Figure 1B；

Figure 12 is the cross-sectional view of the line B-B interception in Figure 1B；

Figure 13 and Figure 14 is that the hinge of the application is applied to the schematic diagram of vehicle mirrors respectively.

Reference signs list:

100 hinges

The first connector of 110A, 110B, the second connector

111 pedestals

112 axis mounting portions

113 snap openings

120 shells

121 longitudinal tubular components

122 transversal tubular components

123 stopper sections

124 positioning regions

130 shafts

131 axis bodies

132 shaft ends

140 torsion units

141 heads

142 foots

150 sealing elements

151 irregularly-shaped holes

152 location holes

160 bushings

161 bush holes

162 location holes

170 press rods

180 o-rings

Specific embodiment

Although illustrating and describing the utility model herein with reference to specific embodiment, the utility model simultaneously be should not be limited In shown details.Exactly, in the case where in the range of the equivalence of claim and without departing from the utility model, A variety of modifications can be made to these details.

The directions such as the "front", "rear", "upper", the "lower" that are referred to herein describe understanding merely for convenience, the utility model These directions are not limited to, but can be adjusted according to the actual situation.

With reference first to Figure 1A to Fig. 2 general description hinge 100.Fig. 1 shows the perspective view of the hinge 100 of the application, Figure 1B, Fig. 1 C, Fig. 1 D, Fig. 1 E, Fig. 1 F, Fig. 1 G are main view, rearview, left view, right view, the top view of the application hinge respectively And bottom view, Fig. 2 shows the exploded perspective views of hinge 100.

Hinge 100 includes the first connector 110A, the second connector 110B, shell 120 and is mounted on the first connector 110A, the second connector 110B or the shaft 130 in shell 120, torsion unit 140, sealing element 150, bushing 160, press rods 170, O-ring 180.

The connection relationship between each component of hinge 100 is described referring now also to Figure 11 and Figure 12.Shell 120 is by turning Axis is hinged to the first connector 110A, the second connector 110B, so that shell 120 and the first connector 110A, the second connector 110B can be with relative rotation.In use, the first connector 110A, the second connector 110B are connected to an object (such as vehicle Car body), shell 120 is connected to another object (such as rearview mirror of vehicle), to realize between the two objects Hinge-coupled.

Shaft 130 is fixed to the first connector 110A, the second connector 110B, and passes through shell 120, so that shell 120 can rotate around shaft 130 relative to the first connector 110A, the second connector 110B.

Torsion unit 140 is shape-ordinatedly fixed in shell 120, is formed and is engaged with the outer surface of shaft 130, During shell 120 surrounds the rotation of shaft 130, torsion unit 140 is rotated together with shell 120, and is mentioned to shaft 130 For friction torque.

Press rods 170 are inserted between shell 120 and torsion unit 140, for torsion unit 140 to be pressed to shell 120.Press rods 170 are parallel to the bar of shaft 130, are located between the head 141 and shell 120 of each torsion unit 140, The head 141 of each torsion unit 140 is pressed to shell 120.By the extruding of press rods 170, realize torsion unit 140 with Interference fit between shell 120, to prevent the shaking generated due to fit clearance.

The first connector 110A, the second connector 110B are described referring now to Fig. 3 A to Fig. 4.As shown, each connection Body has pedestal 111, axis mounting portion 112 and snap openings 113.

Pedestal 111 is the part of object to be installed to, although pedestal shown in figure 111 is flat shape, It is that pedestal 111 can be formed as meeting the surface shape of object to be mounted.

Axis mounting portion 112 is the part for installing shaft 130.Axis mounting portion 112 is approximately perpendicular to pedestal 111, when When one connector 110A, the second connector 110B are assemblied together, two axis mounting portions 112 are facing with each other.Axis mounting portion 112 has There is the shape feature cooperated with rotary shaft 130, so that rotary shaft 130 is fixed without rotating relative to axis mounting portion 112.For example, Rotary shaft 130 can have spline (see Fig. 7), then axis mounting portion 112 has corresponding keyway.

First connector 110A, the second connector 110B pedestal 111 on can have corresponding wedge-shaped projection 114 and card Heal up 113.For example, the side of the first connector 110A has wedge-shaped projection 114, the other side has snap openings 113, the second connection Body 110B similarly has wedge-shaped projection 114 and snap openings 113, so that as the first connector 110A, the second connector 110B group When dress, the wedge-shaped projection 114 of the first connector 110A is cooperated in the snap openings 113 of the second connector 110B, the second connector The wedge-shaped projection 114 of 110B is cooperated in the snap openings 113 of the first connector, so as to guide the assembly of the two and be conducive to Stabilization after assembly.

In other embodiments, the two sides of the first connector 110A can all form wedge-shaped projection 114, and the second connector The two sides of 110B all form snap openings 113, so that the wedge-shaped projection 114 of the two sides of the first connector 110A is respectively cooperating with to second In the snap openings 113 of the two sides of connector 110B.

Shell 120 is described referring now to Fig. 5, Fig. 6 A and Fig. 6 B.Shell 120 includes longitudinal tubular component 121, transversal tubular Component 122, stopper section 123 and positioning region 124.

Shell 120 substantially constitutes T-shaped, the transversal tubular in by transversal tubular component 122 and longitudinal tubular component 121 Component 122 is revolvably installed on connector 110, and shaft 130 passes through transversal tubular component 122, and transversal tubular component 122 one end is connect via O-ring 180 with a connector among the first connector 110A and the second connector 110B, horizontal To pipe rotation member 122 the other end then via bushing 160 and O-ring 180 and the first connector 110A and the second connector 110B Among another connector connection.

Longitudinal tubular component 121 is the part for being joined to object (such as bracket of rearview mirror).In the present embodiment, Longitudinal tubular component 121 is approximately perpendicular to transversal tubular component 122.However in other embodiments, longitudinal tubular component can also With the different angle with transversal tubular component 122 other than perpendicular.In the present embodiment, longitudinal tubular component 121 is formed as having Internal thread tubular directly can be threaded into fastening with heavy duty mirror bracket, be easily installed and provide high-intensitive threaded connection. However in other embodiments, longitudinal tubular portion 121 can have various forms of binding characteristics, such as engaging, welding, bolt Connection etc..

The transversal tubular component 122 of shell 120 has positioning region 124, the positioning region in the one end for being cooperated to bushing 160 124 are cooperated to the corresponding location hole 152 (see Fig. 9) of the location hole 162 (see Figure 10) of bushing 160 and sealing element 150, so that lining Set 160 and sealing element 150 are positioned relative to shell 120.

Positioning region 124 in the present embodiment is the main body of two protrusions, however in other embodiments, positioning region 124 can To be one or more and can have snap feature.

It can have stopper section 123 on the outside of the transversal tubular component 122 of shell 120, it is opposite for limiting shell 120 In the rotation angle of connector 110A, 110B.

The one end fits of the transversal tubular component 122 of shell 120 are to connector 110A.For example, the transversal tubular of shell 120 The end of component 122 has annular projection or annular groove, and the annular projection or annular groove are plugged to the corresponding end of connector 110A Annular groove or annular projection, to realize the rotatable connection between shell 120 and connector 110A.Shell 120 with connect O-ring 180 can be set between the annular projection and annular groove of body 110A, the o-ring 180 by rubber etc elastic material It is made, sealing, buffering and the noise abatement being used between shell 120 and connector 110A.In one embodiment, the cross of shell 120 It can also be cooperated to connector 110B in a similar way to the other end of tubular part 122.

Shaft 130 is described referring now to Fig. 7.

Shaft 130 is cylindrical axis, including axis body 131 and two shaft ends 132.Axis body 131 is suitble to and torsion unit 140 To generate required torque, shaft end 132 is fixedly mated to connector 110A, 110B for friction.As described above, shaft end 132 can be with The relative rotation between shaft 130 and connector 110A, 110B is organized with shape feature.

Torsion unit 140 is described referring now to Fig. 8.Torsion unit 140 is axially stacked multiple sheets along shaft 130 Component, each torsion unit 140 have the head 141 fixed to shell 120 and the foot 142 to the application torque of shaft 130.

The foot 142 of torsion unit 140, which is formed, has annulus jaggy, and shaft 130 passes through the foot of torsion unit 140 142 annulus formed.The foot 142 of torsion unit is designed to form tight fit with shaft 130, and foot 142 clamps in other words Shaft 130.In use, torsion unit 140 is fixed to shell 120, and shaft 130 is fixed to connector 110A, 110B, because , when shell 120 is rotated relative to connector 110A, 110B, torsion unit 140 is rotated relative to shaft 130 for this.In this mistake Journey, torsion unit 140 apply rotation torque to shaft 130 by foot 142.By adjusting between foot 142 and shaft 130 The degree of tight fit, the size of adjustable rotation torque.

In other embodiments, torsion unit 140 can also have other shapes.For example, the foot of torsion unit 140 142 can be symmetrically or non-symmetrically shape, can be with semicircular in shape, configuration, sickle-shaped, question mark shaped.Each torsion unit 140 need not It is identical shape, torsion unit 140 of different shapes can be placed alternately in superposition.Furthermore, it is possible to by changing torsion unit 140 quantity adjusts the size of rotation torque.Or it can also be turned round by changing the shape of torsion unit 140 to adjust rotation The size of square.

Bushing 160 and sealing element 150 are described referring now to Fig. 9 and Figure 10.Bushing 160 be cooperated to one end of shell 120 and It is at least partly placed in shell 120.Bushing 160 has bush hole 161 so that shaft 130 passes through, and also has location hole 162 cooperate to be formed with the positioning region 124 of shell 120, to limit the position of bushing 160.When bushing 160 is cooperated to shell 120, bushing 160 applies pressure to multiple torsion units 140 of superposition, so as to along the multiple torsion of the axial compression of shaft 130 Unit 140.

Sealing element 150 is between shell 120 and bushing 160, for preventing the grease in shell 120 from escaping.Sealing element 150 With the irregularly-shaped hole 151 for corresponding to shaft 130 and press rods 170, there are also the location holes for the positioning region 124 for corresponding to shell 120 152。

The one end fits of bushing 160 are to connector 110B.For example, one end of bushing 160 has annular projection or annular groove, The annular projection or annular groove are plugged into the annular groove or annular projection of connector 110B, to realize bushing 160 and connector Rotatable connection between 110B.There is o-ring 180 between bushing 160 and the annular projection and annular groove of connector 110B, The o-ring 180 is made of the elastic material of rubber etc, be used for sealing between bushing 160 and connector 110B, buffering and Noise abatement.In one embodiment, bushing 160 can also be cooperated to connector 110A in a similar manner.

Figure 12 and Figure 13 shows the application example of the hinge 100 of the application.As shown, hinge 100 is by the mirror of rearview mirror Frame is connected to car body, to realize rotation of the mirror holder relative to car body.Due to the friction torque that hinge 100 provides, mirror holder can phase Any angle is rested on for car body, convenient for the operation and use of driver.In addition, being made due to the friction torque that hinge provides It obtains in collision accident, mirror holder is less likely to be damaged.Moreover, can be rotated by mirror holder to close to vehicle by the hinge of the application When body, space is saved.

By the threaded connection between shell and mirror holder, the higher installation strength of mirror holder may be implemented, it is severe to adapt to Working environment.

Although describing the purposes of hinge by taking the rearview mirror of vehicle as an example herein, it is readily appreciated that this description not limits Property, the hinge of the application can be applied to need to provide many other scenes of friction torque.

Although preferred embodiment has been illustrated and described herein, it should be understood that these embodiments are merely given as examples. Those skilled in the art will envision that many modifications, change and replacement, without departing from the spirit of the utility model.Therefore, it is appended Claim is intended to cover all such modifications fallen in the spirit and scope of the utility model.

Claims (10)

1. a kind of hinge characterized by comprising

Shell；

Connector, the shell are revolvably installed on the connector；

Shaft is fixed to the connector, and passes through the shell, enables the shell opposite around the shaft It is rotated in the connector；

Torsion unit is shape-ordinatedly fixed in the shell, is formed and is engaged with the outer surface of the shaft, in institute State shell around the shaft rotation during, the torsion unit is rotated together with the shell, and to described turn Axis provides friction torque；

Press rods are inserted between the shell and the torsion unit, for the torsion unit to be pressed to the shell Body.

2. hinge according to claim 1, it is characterised in that:

The connector includes the first connector and the second connector, and first connector has wedge-shaped projection and snap openings, Second connector, which has, to be respectively corresponded with the wedge-shaped projection and snap openings of first connector and is able to cooperate the card of installation It heals up and wedge-shaped projection, so that first connector and the second connector can be connected to the connector.

3. hinge according to claim 2, it is characterised in that:

The shell is substantially in be made of transversal tubular component and longitudinal tubular component T-shaped, which can revolve It is installed on the connector with turning, the shaft passes through the transversal tubular component, and the one of the transversal tubular component End is connect via an O-ring with one of first connector and second connector, the transverse pipe rotation member The other end is then via a bushing and an O-ring and first connector and second connector wherein another connection.

4. hinge according to claim 3, it is characterised in that:

The torsion unit is maintained in the transversal tubular component of the shell by the bushing, and is had and passed through for the shaft Bush hole；There is sealing element between the bushing and the transversal tubular component.

5. hinge according to claim 4, it is characterised in that:

One end that the transversal tubular component of the shell is cooperated to the bushing has positioning region, and the positioning region is cooperated to described The corresponding location hole of the location hole of bushing and the sealing element, so that the bushing and the sealing element are relative to the shell Positioning.

6. hinge according to claim 1, it is characterised in that:

The torsion unit is axially stacked multiple sheet components along the shaft, and each torsion unit, which has, to be fixed Apply the foot of torque to the head of the shell and to the shaft.

7. hinge according to claim 6, it is characterised in that:

The foot of the torsion unit, which is formed, has annulus jaggy, what the foot that the shaft passes through the torsion unit was formed Annulus.

8. hinge according to claim 6, it is characterised in that:

Foot's semicircular in shape that the foot of the torsion unit is formed as, configuration, sickle-shaped, question mark shaped；Identical or different shape The torsion units alternately stack；

The torque applied to the shaft is adjusted by the quantity or the shape of torsion unit that change the torsion unit.

9. hinge according to claim 7, it is characterised in that:

The press rods are parallel to the bar of the shaft, be located at each torsion unit head and the shell it Between, the head of each torsion unit is pressed to the shell；And

The shell has stopper section, to limit the relative rotation angle between the shell and the connector.

10. a kind of vehicle mirrors for being equipped with hinge according to claim 1 to 9.