CN207916498U - Automobile air conditioner air-outlet system - Google Patents

Abstract

The utility model discloses a kind of automobile air conditioner air-outlet systems, its drip irrigation device includes the shell fastened with shell, shell side forms opening, its inside forms storage wind cavity, shell side offers defroster, defroster both sides is being provided with wind pipe, in the defroster upper edge trunnion axis, rotation is provided with white lid vertically, horizontal rotating shaft rotation is provided with stock cap in each wind pipe, the white lid can be controlled and go out the control assembly that windshield is opened or is closed by being provided in the storage wind cavity；The control assembly includes being arranged in outer casing bottom and can be along maincenter pipe, one end and the maincenter pipe ball-joint other end that vertical axes horizontally rotate and the first control-rod of white lid ball-joint and second control-rod of one end and the maincenter pipe ball-joint other end and stock cap ball-joint.It can be carried out at the same time work by a Serve Motor Control defrosting lid and stock cap, different air-out modes may be selected and work, saved space.

Description

Automobile air conditioner air-outlet system

Technical field

The utility model is related to automotive air conditioning devices, more specifically, it relates to a kind of automobile air conditioner air-outlet system.

Background technology

With the development of science and technology, the raising of people's quality of the life, automobile comes into people's life, and air-conditioning is installed on automobile and is obtained The approval for having arrived consumers in general, installation air-conditioning has been popularized on existing locomotive.

What car was widely used at present is changes in temperature integrated air-conditioning system, generally comprises shell, is provided with pressure in shell Contracting machine, thermoregulating system, control system and outlet system of air etc., when in use, compressor is fed gas at evaporator, is adjusted Warm system carries out cooling refrigeration to gas or heating is heated, and the gas after refrigeration is discharged by outlet system of air, is by controlling System controls outlet system of air, to which selection carries out to glass defrost or step is blowed.

The existing notification number that can refer to is the Chinese patent of CN202038276U, and it discloses a kind of defrostings of air conditioning for automobiles Device, including defrosting controller, air-conditioning box defrosting outlet, defrosting duct and conditioner, conditioner setting exist In air-conditioning box defrosting outlet, conditioner is adjusted by the first regulation motor, the second regulation motor, the first damper and second Save air door composition；Defrosting duct includes preceding defrosting duct, the first crosswind road and the second side air duct；Preceding defrosting duct is arranged in sky The both sides of defrosting duct before adjusting the centre position on case defrosting outlet top, the first crosswind road and the second side air duct to be symmetricly set on.

The defroster of the utility model utilizes existing module, small to original system change, simple and easy to do, convenient for promoting；But It is that such defrosting device of automobile air conditioner controls the swing of air door respectively by two motors, occupies interior larger space.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of automobile air conditioner air-outlet system, It can be carried out at the same time work by a Serve Motor Control defrosting lid and stock cap, different air-out modes may be selected and carry out work Make, has saved space.

To achieve the above object, the utility model provides following technical solution：

A kind of automobile air conditioner air-outlet system includes the shell fastened with shell, and the shell side forms opening, inside Storage wind cavity is formed, the shell side offers defroster, defroster both sides are being provided with wind pipe, described Rotation is provided with white lid to defroster upper edge trunnion axis vertically, rotates and is arranged along horizontal rotating shaft in each wind pipe There is stock cap, the white lid can be controlled and go out the control group that windshield is opened or is closed by being provided in the storage wind cavity Part；The control assembly includes being arranged in outer casing bottom and can be along maincenter pipe, one end and the maincenter pipe ball that vertical axes horizontally rotate The hinged other end and the first control-rod of white lid ball-joint and one end and the maincenter pipe ball-joint other end and stock cap flexural pivot The second control-rod connect.

By using above-mentioned technical proposal, defroster, wind pipe, and the white mouth of covering defroster are opened up on the shell Lid and lid close the stock cap of air outlet, drive the first control-rod and the second control-rod to rotate by the rotation of maincenter pipe, to It realizes and defrosting lid and wind pipe is opened or be closed, in turn, two openings are controlled by a motor and carry out different works Operation mode.

Preferably, first control-rod includes the company with the connecting rod one of maincenter pipe ball-joint, with white lid ball-joint The elastic component of extension bar two and elastic connection in two one end close to each other of connecting rod one and connecting rod.

Pass through the connecting rod one and connecting rod two of setting and be arranged between connecting rod one and connecting rod two elastic group In with maincenter pipe rotation process, elasticity drives white lid to be opened or be closed for part, connecting rod one and connecting rod two so that First control-rod is less likely to occur to be broken in rotation process.

Preferably, the elastic component includes the sleeve being fixed in connecting rod two, is fixed in connecting rod one and slips Inserted link and one end in sleeve are fixed on one end in sleeve and are sleeved on inserted link and in the fixed spring of inserted link.

By using above-mentioned technical proposal, by the spring of setting, when white lid is by being closed conversion in opening, spring by Impaction state is converted to the state of drawing high, and during which, white lid is in closed state, it is thus possible to realize white lid closure, stock cap The state of opening.

Preferably, the horizontal rotating shaft is arranged at the middle part of stock cap.

By using above-mentioned technical proposal, by the way that horizontally rotating at the middle part of stock cap is arranged so that horizontal rotating shaft band When dynamic stock cap is rotated, after the smaller angle of rotation, it is carried out at the same time ventilation in the both sides up and down of stock cap, wind is larger.

Preferably, the stock cap, when being closed the wind pipe, the stock cap is horizontal rotating shaft close to described Laterally storage wind cavity outside tilts opening one.

By using above-mentioned technical proposal, by the way that stock cap is inclined outwardly so that stock cap can be abutted when being closed On wind pipe inner wall, so that stock cap closure is more close.

Preferably, the upper end of the maincenter pipe is fixedly installed the lug with the first control-rod ball-joint, when described When lug is rotated to the side far from defroster, the white lid is driven to open；Solid far from described lug one end horizontal interval Fixed there are two drive block, the drive block and the second control-rod ball-joints, and the drive block is to close to the rotation of wind pipe side When, drive the stock cap to open, the drive block drives the stock cap to be closed to when being rotated far from wind pipe side, And when the lug drives white lid to open or be closed completely, the stock cap is closed.

By using above-mentioned technical proposal, the rotation of the first control-rod is driven by the lug of setting, to realize to white mouth The opening or closure of lid drive the rotation of the second control-rod, to realize the opening and closing to stock cap by drive block.

Preferably, the outer casing bottom is provided with boss to storage wind cavity inner process, connecting hole is offered on the boss, It is less than the installing pipe of maincenter pipe on the downside of the maincenter pipe integrally formed with diameter, the installing pipe passes through connecting hole in outer side Connect servo motor.

Preferably, being fixedly installed bulge loop on the boss and around connecting hole, the maincenter pipe is connected to bulge loop On, finite place piece is set on boss, and when drive block drives the stock cap to be closed, the locating part limits drive block Position.

By using above-mentioned technical proposal, by the locating part of setting, two stock caps are driven to be closed outlet air in drive block When pipeline, drive block can be limited, make its movement stop, to preferably protect stock cap, the second control-rod and Connection between drive block makes it be not easy to wreck.

Preferably, the locating part includes being fixed on boss and the lower limiting board in convex block close to two wind pipe both sides One and limiting plate two and be fixed on drive block one, the downside of drive block two limited block one and limited block two, wherein limit Two arc-shaped plate of plate one and limiting plate, and the radius of limiting plate one is more than the radius of limiting plate two, the setting of the limiting plate one exists Two pivot region side of drive block, the limiting plate two are arranged in one pivot region side of drive block.

In conclusion the utility model has the advantages that：

1, defroster, wind pipe are opened up on the shell, and the white lid of covering defroster and lid close air outlet Stock cap drives the first control-rod and the second control-rod to rotate by the rotation of maincenter pipe, to realize to defrosting lid and outlet air Pipeline is opened or is closed, and in turn, is controlled two openings by a motor and is carried out different operating modes；

2, by the spring of setting, when white lid is by being closed conversion in opening, spring is converted to by impaction state and is drawn high State, during which, white lid are in closed state, it is thus possible to realize the state that white lid is closed, stock cap is opened；

It 3, can be to drive block when drive block drives two stock caps to be closed wind pipe by the locating part of setting It is limited, so that its movement is stopped, to preferably protect the connection between stock cap, the second control-rod and drive block, making It is not easy to wreck.

Description of the drawings

Fig. 1 is the overall structure diagram of automobile air conditioner air-outlet system；

Fig. 2 is the schematic diagram of prominent white lid in automobile air conditioner air-outlet system；

Fig. 3 is the enlarged drawing of A structures in prominent Fig. 2 in automobile air conditioner air-outlet system；

Fig. 4 is the exploded perspective view of prominent maincenter pipe structure in automobile air conditioner air-outlet system；

Fig. 5 is the schematic diagram of prominent outer side lock chamber in automobile air conditioner air-outlet system；

Fig. 6 is the exploded perspective view of prominent first control-rod in automobile air conditioner air-outlet system；

Fig. 7 is the shape of maincenter pipe present position when prominent white lid and stock cap are closed in automobile air conditioner air-outlet system State figure；

Fig. 8 is the state that prominent white lid is closed maincenter pipe present position when stock cap is opened in automobile air conditioner air-outlet system Figure；

Fig. 9 is the shape of maincenter pipe present position when prominent white lid and stock cap open simultaneously in automobile air conditioner air-outlet system State figure.

Reference numeral：1, shell；11, it is open；12, wind cavity is stored up；13, defroster；14, wind pipe；15, bottom plate； 151, connecting hole；152, boss；153, lock chamber；1521, bulge loop；2, white lid；21, installation cavity；22, connecting shaft；3, air port Lid；31, horizontal rotating shaft；4, control assembly；41, maincenter pipe；411, installing pipe；42, the first control-rod；421, connecting rod one； 422, connecting rod two；423, elastic component；4231, sleeve；4232, inserted link；4233, spring；424, lug；43, the second control-rod； 431, drive block；4311, drive block one；4312, drive block two；432, locating part；4321, limiting plate one；4322, limiting plate Two；4323, limited block one；4324, limited block two；4325, block is pushed against.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing, wherein the identical attached drawing of identical parts Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down", " bottom Face " and " top surface " refer to that the direction in attached drawing, word "inner" and "outside" are referred respectively to towards or away from particular elements geometry The direction at center.

Embodiment one

In order to carry out more specific vapour understanding to the utility model structure, now introduce the structure of air-conditioning system, with facilitate into Row understands.

A kind of mounted air conditioner system, including be fixed in automobile shell, compressor, temperature adjustment system are provided in shell System, control system and outlet system of air etc., when in use, compressor is fed gas at evaporator, and thermoregulating system is to gas Cooling refrigeration or heating heating are carried out, the gas after refrigeration is discharged by outlet system of air, by control system to outlet system of air It is controlled, to which selection carries out to glass defrost or step is blowed.

Embodiment two

A kind of automobile air conditioner air-outlet system, as shown in Figure 1, including the shell 1 being fixed on shell, wherein shell 1 Side is installed with opening 11, and opening 11 be located on shell, and for entering the wind, hollow storage wind cavity 12 is formed in the inside of shell 1.

Meanwhile offer defroster 13 in the side of 1 length direction of shell, defroster 13 when mounted, close to front window Glass offers wind pipe 14 for defrosting to front window at the both ends of 1 length direction of shell, and wind pipe 14 can be to Car is blowed, and keeps interior temperature, and in turn, when in use, wind, which enters after storage wind cavity 12, by defroster 13 and to be gone out Wind pipeline 14 carries out outlet air.

Wherein, defroster 13 is elongated, can add to front window and defrost faster, the wind pipe of both sides 14 be rectangular.

It is provided in shell 1 and the end cap whether control makes it be aerated is carried out to defroster 13 and wind pipe 14, Respectively：It the white lid 2 that is rotatably connected on vertically along trunnion axis in defroster 13 and is rotatably connected on out vertically along trunnion axis Stock cap 3 at wind pipeline 14.

In conjunction with shown in Fig. 2 and Fig. 3, it is provided in shell 1 for controlling white lid 2 and stock cap 3（In conjunction with shown in Fig. 1） The control assembly 4 opened or be closed, and then white lid 2 and stock cap 3 can be carried out automatically controlling.

Control assembly 4 includes the maincenter pipe 41 being arranged on the bottom plate 15 of shell 1 and one end ball-joint in maincenter pipe 41 First control-rod 42 and one end ball-joint on maincenter pipe 41 other end flexural pivot of the upper other end ball-joint in white lid 2 The second control-rod 43 being connected on stock cap 3, wherein the second control-rod 43 is provided with two groups, is carried out respectively with two stock caps 3 Ball-joint, to control two stock caps 3, maincenter pipe 41 can horizontally rotate along vertical axes, pass through turning for maincenter pipe 41 It is dynamic, drive the first control and the linkage of the second control-rod 43, to realize the control to white lid 2 and stock cap 3, make its respectively into Row is opened or is closed.

In conjunction with shown in Fig. 4, the connecting hole 151 of perforation, 41 axis one end one of maincenter pipe are offered on the bottom plate 15 of shell 1 It is body formed have diameter be less than maincenter pipe 41 installing pipe 411, installing pipe 411 pass through connecting hole 151, on the outside with servo motor into Row junction, to carry out driving maincenter pipe 41 by servo motor and be rotated, preferably, bottom plate 15 is close to connecting hole 151 position setting is in the boss 152 to storage 12 convex of wind cavity, to form lock chamber 153 on the outside（As shown in Figure 5）, Fixed servo motor, maincenter pipe 41 is facilitated to be rotatably connected on boss 152 in lock chamber 153, to the first control-rod 42 and Two control-rods 43 are controlled.

In conjunction with shown in Fig. 3 and Fig. 6, the first control-rod 42 includes and the connecting rod 1 of 41 ball-joint of maincenter pipe, Yi Jiyu The connecting rod 2 422 and elastic connection connecting rod 1 of 2 ball-joint of white lid and the elastic component 423 of connecting rod 2 422.

Lug 424 is extended radially outward in the one end of maincenter pipe 41 far from boss 152, in 424 upside of lug and even One 421 end ball-joint of extension bar, to which when maincenter pipe 41 rotates, lug 424 drives connecting rod 1 to be rotated, and works as lug 424 when turning to close to the side of white lid 2, and white lid 2 is closed, when lug 424 is turned to far from white 2 side of lid, white mouth Lid 2 is opened.

Further, the installation cavity 21 for forming indent close to the side of boss 152 in white lid 2, in installation cavity 21 Fixed setting is in horizontal connecting shaft 22, connecting shaft 22 and 2 422 ball-joint of connecting rod on wall.

Meanwhile the elastic component 423 by being arranged between connecting rod 1 and connecting rod 2 422 so that connecting rod one During 421 drive connecting rod 2 422 to move, there is smaller flexible surplus, the process that white lid 2 is closed is driven in middle pivot In, passing through elastic connection so that the stress between connecting rod 1 and connecting rod 2 422 is smaller, to, it is not easy to it damages.

As shown in fig. 6, elastic component 423 includes being fixed on the sleeve 4231 of 2 422 one end of connecting rod and being fixed on connection The inserted link 4232 of one 421 one end of bar, wherein inserted link 4232 is slidably connected in sleeve 4231, and bullet is provided in sleeve 4231 One end of spring 4233, spring 4233 is fixedly connected on 4231 bottom of sleeve, and the other end is sleeved on inserted link 4232 and and inserted link 4232 fix.

In conjunction with shown in Fig. 6 and Fig. 7, it is being closed defroster 13（As shown in Figure 1）When, lug 424 drive connecting rod 1 to Close to the rotation of 2 side of frost lid, after elastic component 423, connecting rod 2 422 drives defroster 13 to be closed, when white lid 2 is closed Afterwards, spring 4233 is in compressive state, to the driving force in connecting rod 1 into row buffering, so that white 2 elasticity of lid is supported Defroster 13 is connect, the service life of equipment is increased.

When opening defroster 13, lug 424 drives connecting rod 1 to be rotated to far from 2 side of white lid, spring 4233 Tensional state is changed by compressive state, in the phase process, the sector region that lug 424 rotates is the regions S1, in the regions S1 Interior frost lid 2 remains static, and after across the regions S1, white lid 2 starts to open at, until opening completely.

Stock cap 3 is rotatably arranged at wind pipe 14, and horizontal rotating shaft 31 is horizontally set on the middle part of stock cap 3, from And stock cap 3 is divulged information in the both sides up and down of horizontal rotating shaft 31 when being rotated along horizontal rotating shaft 31, rotational angle is smaller, wind compared with Greatly, further, stock cap 3 is inclined when being closed wind pipe 14, wherein in the upper lateral remote of horizontal rotating shaft 31 Side from storage wind cavity 12 tilts, to, when the second control-rod 43 is to close to the movement of stock cap 3,43 band of the second control-rod Dynamic stock cap 3 is into rotating opening, and the section of the second control-rod 43 is in " ten " shape plate, when stock cap 3 being driven to carry out open or close It is relatively stable.

In conjunction with shown in Fig. 1 and Fig. 4, along the circumferentially-spaced fixation of horizontal circle on maincenter pipe 41 and close to one end of boss 152 There are two drive block 431, two drive blocks 431 carry out ball-joint with second control-rod 43 respectively, what maincenter pipe 41 rotated In the process, stock cap 3 is driven to open simultaneously or be closed respectively.

Horizontal sextant angle between two drive blocks 431 is obtuse angle, and in rotation, drive block 431 drives the second control-rod 43 To when being rotated close to the side of stock cap 3, stock cap 3 is driven to open, when separate, stock cap 3 is closed.

Wherein, two drive blocks 431 include drive block 1 and drive block 2 4312, wherein drive block 1 with Horizontal sextant angle between lug 424 is in certain acute angle, when lug 424 is to closer or far from the rotation of defroster 13, drive defroster When 13 closures or completely opening, drive block 1 and drive block 2 4312 are in the position far from stock cap 3, so that Stock cap 3 is closed, and realizes that white lid 2, stock cap 3 are closed at or defroster 13 individually defrosts.

Further, when drive block 431 drives the rotation of the second control-rod 43, when stock cap 3 is closed, in boss 152 On be provided with the locating part 432 limited to drive block 431.

Wherein, bulge loop 1521 is fixed on the outside of the connector on boss 152, maincenter pipe 41 is supported on bulge loop 1521, So that there are gaps between boss 152 for drive block 1 and drive block 2 4312, locating part 432 is including fixing It close to the limiting plate 1 and limiting plate 2 4322 of wind pipe both sides and is fixed on boss 152 and in bulge loop 1521 In the limited block 1 and limited block 2 4324 of drive block 1 and the downside of drive block 2 4312, when drive block 1, When drive block 2 4312 controls two the second control-rods 43 closure stock caps 3 respectively, limited block 1 and limited block 2 4324 It is connected to respectively on limiting plate 1 and limiting plate 2 4322.

Further, limiting plate 1 and limiting plate 2 4322 distinguish arc-shaped plate, and the radius of limiting plate 1 More than the radius of limiting plate 2 4322, abutting block is all fixedly installed in limiting plate 1 and 2 4322 both ends of limiting plate 4325, and limiting plate 1 is located at the side of 2 4312 pivot region of drive block, limiting plate 2 4322 is located at drive block one The side of 4311 pivot regions, when maincenter pipe 41 drive white lid 2, wind pipe be closed at or white lid 2 be closed, outlet air When pipeline is opened, drive block 1 and drive block 2 4312 are connected to push against on block 4325 respectively.

As shown in figure 8, it is further, when the first control-rod 42 drives white lid 2 to be rotated from closure to opening, in the areas S1 In domain, the second control-rod 43 drives stock cap 3（As shown in Figure 1）It opens, realizes individually blowing pattern.

As shown in figure 9, entering subsequent region when lug 424 rotates out the regions S1, which is set as the regions S2, lug 424 drive the first control piece to open white lid 2, meanwhile, stock cap 3（As shown in Figure 1）Opening range can become larger first, then Become smaller, in the regions S2, white lid 2 and stock cap 3 open simultaneously, and realize double on-modes.

When lug 424 crosses the regions S2, white lid 2 reaches maximum, and stock cap 3 is closed, and is at this time independent defrosting mode.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Claims (9)

1. a kind of automobile air conditioner air-outlet system includes the shell fastened with shell（1）, the shell（1）Side forms opening （11）, inside forms storage wind cavity（12）, it is characterized in that：

The shell（1）Side offers frost outlet, perpendicular to defroster（13）Both sides are provided with wind pipe（14）, institute State defroster（13）Rotation is provided with white lid to upper edge trunnion axis vertically（2）, in each wind pipe（14）Inside all along water Flat turn axis（31）Rotation is provided with stock cap（3）, the storage wind cavity（12）The white lid can be controlled by being inside provided with（2）With go out The control assembly that windshield is opened or is closed（4）；

The control assembly（4）Including being arranged in shell（1）Bottom and can be along the maincenter pipe that vertical axes horizontally rotate（41）, one end With maincenter pipe（41）The ball-joint other end and white lid（2）First control-rod of ball-joint（42）And one end and maincenter pipe （41）The ball-joint other end and stock cap（3）Second control-rod of ball-joint（43）.

2. automobile air conditioner air-outlet system according to claim 1, it is characterized in that：

First control-rod（42）Including with maincenter pipe（41）The connecting rod one of ball-joint（421）And white lid（2）Ball-joint Connecting rod two（422）And elastic connection is in connecting rod one（421）With connecting rod two（422）The elasticity of one end close to each other Part（423）.

3. automobile air conditioner air-outlet system according to claim 2, it is characterized in that：

The elastic component（423）Including being fixed on connecting rod two（422）On sleeve（4231）, be fixed on connecting rod one（421） Above and slip in sleeve（4231）Interior inserted link（4232）And one end is fixed on sleeve（4231）Interior one end is sleeved on inserted link （4232）Above and in inserted link（4232）Fixed spring（4233）.

4. automobile air conditioner air-outlet system according to claim 3, it is characterized in that：

The horizontal rotating shaft（31）It is arranged in stock cap（3）Middle part.

5. automobile air conditioner air-outlet system according to claim 4, it is characterized in that：

The stock cap（3）It is being closed the wind pipe（14）When, the stock cap（3）It is horizontal rotating shaft（31）Close to institute State opening（11）One lateral storage wind cavity（12）Outside tilts.

6. automobile air conditioner air-outlet system according to claim 5, it is characterized in that：

The maincenter pipe（41）Upper end be fixedly installed and first control-rod（42）The lug of ball-joint（424）, work as institute State lug（424）To far from defroster（13）Side rotation when, drive the white lid（2）It opens；

Far from the lug（424）There are two drive blocks for the fixation of one end horizontal interval（431）, the drive block（431）With Two control-rods（43）Ball-joint, the drive block（431）To when being rotated close to wind pipe side, the stock cap is driven（3） It opens, the drive block（431）To when being rotated far from wind pipe side, the stock cap is driven（3）It is closed, and when described convex Ear（424）Drive white lid（2）When opening or be closed completely, the stock cap（3）It is closed.

7. automobile air conditioner air-outlet system according to claim 6, it is characterized in that：

The shell（1）Bottom to storage wind cavity（12）Inner process is provided with boss（152）, the boss（152）On offer Connecting hole（151）, the maincenter pipe（41）Downside is less than maincenter pipe integrally formed with diameter（41）Installing pipe（411）, described Installing pipe（411）Across connecting hole（151）In shell（1）Outside connects servo motor.

8. automobile air conditioner air-outlet system according to claim 7, it is characterized in that：

The boss（152）Above and in connecting hole（151）Around be fixedly installed bulge loop（1521）, the maincenter pipe（41）It supports It is connected on bulge loop（1521）On, in boss（152）Upper setting finite place piece（432）, work as drive block（431）Drive the stock cap （3）When closure, the locating part（432）To drive block（431）It is limited.

9. automobile air conditioner air-outlet system according to claim 8, it is characterized in that：

The locating part（432）Including being fixed on boss（152）Above and in convex block close to the lower limiting board of two wind pipe both sides One（4321）And limiting plate two（4322）And it is fixed on drive block（431）One, drive block（431）The limited block one of two downsides （4323）And limited block two（4324）, wherein limiting plate one（4321）With limiting plate two（4322）Arc-shaped plate, and limiting plate One（4321）Radius be more than limiting plate two（4322）Radius, the limiting plate one（4321）It is arranged in drive block（431）Two Pivot region side, the limiting plate two（4322）It is arranged in drive block（431）One pivot region side.