CN208682664U - Motor vehicle seat cross-member assembly and vehicle - Google Patents

Abstract

A kind of motor vehicle seat cross-member assembly and vehicle, the motor vehicle seat cross-member assembly includes: seat beam；First mounting plate, first mounting plate are connected with the seat beam, and first mounting plate is suitable for being connected with middle channel, and first mounting plate has the first seat installation position；Second mounting plate, second mounting plate are connected with the seat beam, and second mounting plate has the second seat installation position；Wherein first mounting plate is located at the laterally inboard of second mounting plate, and laterally spaced apart with second mounting plate.The motor vehicle seat cross-member assembly of the utility model, first mounting plate and the second mounting plate are connected with seat beam, seat can be fixedly installed in seat beam by the first mounting plate and the second mounting plate, so that seat is stably supported on seat beam, guarantee that occupant has good comfortableness and security while taking a bus.

Description

Motor vehicle seat cross-member assembly and vehicle

Technical field

The utility model relates to a kind of motor vehicle seat cross-member assembly and the vehicle with the motor vehicle seat cross-member assembly.

Background technique

Automotive seat is directly contacted with driver, passenger, and the vibration of seat will have a direct impact on the comfort of seating, and seat The rigidity and intensity of mounting structure are to influence its crucial factor, wherein seat is installed on vehicle floor by seat beam.It is related In technology, the rigidity of structure and intensity at the Seat-fixed point of seat beam are lower, and the stability after seat installation is poor, seat Crossbeam easily deforms after by excessive external force collision, this makes occupant there is greatly security risk, and seat by bus The total quality of crossbeam is larger, and required production material is more, and there are improved spaces.

Utility model content

In view of this, the utility model is directed to a kind of motor vehicle seat cross-member assembly.

In order to achieve the above objectives, the technical solution of the utility model is achieved in that

A kind of motor vehicle seat cross-member assembly, comprising: seat beam；First mounting plate, first mounting plate and the seat Chair crossbeam is connected, and first mounting plate is suitable for being connected with middle channel, and first mounting plate has the first seat installation position；The Two mounting plates, second mounting plate are connected with the seat beam, and second mounting plate has the second seat installation position；Its Described in the first mounting plate be located at the laterally inboard of second mounting plate, and it is laterally spaced apart with second mounting plate.

Further, first mounting plate includes: the first mainboard body and the first flange, and first seat installation position is set In the first mainboard body, the first mainboard body is connected with first flange, and first flange is used for and the seat Crossbeam, the middle channel are connected.

Further, first flange includes: the first flanging, first flanging and the first mainboard body Outer end is connected, and first flanging is overlapped in the upper surface of the seat beam inner end；First in-flanges and two are along longitudinal direction The first lateral flange being oppositely arranged, first in-flanges are connected with the inner end of the first mainboard body, two first sides Flange is connected with the both ends of the first mainboard body along longitudinal direction respectively, and first in-flanges and first lateral flange are used to It is connected with the middle channel.

Further, the first mainboard body includes: the first plate and the second plate, the outer end of first plate and described second The inner end of plate is connected, and second plate upwardly extends from outside to inside so that second plate is higher than the top of the seat beam Wall, first seat installation position are set to first plate.

Further, second mounting plate includes: the second mainboard body and the second flange, and second turnup ring is around described The setting of second mainboard body, second flange are connected with the upper surface of the seat beam, and second seat installation position is set to The second mainboard body, the height of the second mainboard body vertically are higher than the height of the roof of the seat beam vertically.

Further, second flange is formed as the side of more terrace with edges, and the second mainboard bodily form becomes more ribs The upper bottom of platform.

Further, the roof of the seat beam is equipped with the first lightening hole, and second mounting plate setting is described the The top of one lightening hole, and close first lightening hole.

Further, the roof of the seat beam is equipped with the second lightening hole, and second lightening hole is located at the first installation Between plate and second mounting plate.

Further, the side wall of the seat beam is equipped with multiple crumple muscle, and multiple crumple muscle are along the side wall Length direction is arranged spaced apart.

Compared with the existing technology, motor vehicle seat cross-member described in the utility model has the advantage that

1) according to the motor vehicle seat cross-member assembly of the utility model embodiment, by the way that the first installation is arranged on seat beam Plate and the second mounting plate, seat can be fixedly installed in seat beam by the first mounting plate and the second mounting plate, so that seat is steady Surely it is supported in seat beam, guarantees that occupant has good comfortableness and security while taking a bus.

The another object of the utility model is to propose a kind of vehicle, is provided with automobile described in any of the above-described kind of embodiment Seat beam assembly.

According to the vehicle of the utility model embodiment, comprising: automotive seats described in middle channel and any of the above-described kind of embodiment Chair crossbeam assembly, first mounting plate are connected with the middle channel.

Possessed advantage is identical compared with the existing technology with above-mentioned motor vehicle seat cross-member assembly for the vehicle, herein not It repeats again.

Detailed description of the invention

The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.? In attached drawing:

Fig. 1 is the structural schematic diagram of motor vehicle seat cross-member assembly described in the utility model embodiment；

Fig. 2 is the structural schematic diagram of seat beam described in the utility model embodiment；

Fig. 3 is the structural schematic diagram of the first mounting plate described in the utility model embodiment；

Fig. 4 is the structural schematic diagram of the second mounting plate described in the utility model embodiment.

Description of symbols:

Motor vehicle seat cross-member assembly 100,

Seat beam 1, roof 11, the first lightening hole 12, the second lightening hole 13, side wall 14, crumple muscle 15,

First mounting plate 2, the first mainboard body 21, the first plate 22, the second plate 23, first positioning hole 24, the first flanging 25, First in-flanges 26, the first lateral flange 27, the first seat installation position 28,

Second mounting plate 3, the second mainboard body 31, the second flange 32, the second seat installation position 33, second location hole 34.

Specific embodiment

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.

The utility model will be described in detail below with reference to the accompanying drawings and embodiments.

As shown in Figure 1, a kind of motor vehicle seat cross-member assembly 100 includes: seat beam 1, the first mounting plate 2 and the second installation Plate 3.

Seat beam 1 is installed on vehicle floor, and seat beam 1 can be the seat beam 1 of automobile front-row, can also be for after vehicle The seat beam 1 of row, seat beam 1 can be by being fixedly welded on body platform, and certain seat beam 1 can also be by other means It is fixed on body platform.

Wherein, seat beam 1 extends transversely, and the outer end of seat beam 1 and sill strip (not shown) overlap, seat The inner end of crossbeam 1 is connected by the first mounting plate 2 with middle channel (not shown), in this way, seat beam 1 and sill strip, in Power transmitting can be carried out between channel, if vehicle is when occurring side impact, impact force is transferred to seat beam 1 by sill strip, and seat is horizontal Impact force is transferred to middle channel again by beam 1, and then is transferred to entire body platform, greatly reduces the impact force of collision as a result, Effectively collision attenuating energy prevents vehicle deformation excessive.

First mounting plate 2 is connected with seat beam 1, and the first mounting plate 2 can be connected by welding with seat beam 1, so that First mounting plate 2 and seat beam 1 are relatively fixed.As shown in fig. 1, the inner end of the outer end of the first mounting plate 2 and seat beam 1 It is connected, wherein the outer end of the first mounting plate 2 is overlapped in the upper surface of the inner end of seat beam 1, as a result, the first mounting plate 2 and seat Chair crossbeam 1 has biggish overlapping area, so that the connection of the first mounting plate 2 and seat beam 1 is more stable, secured.

First mounting plate 2 be suitable for be connected with middle channel, in some embodiments, the first mounting plate 2 with it is multiple circumferentially Flange spaced apart, the first mounting plate 2 can be connected by multiple flange with middle channel welds, so that the first mounting plate 2 leads to in Road is fixedly linked, in this way, the side impact force from sill strip of seat beam 1 can pass through the first installation when side impact occurs for vehicle Plate 2 is transferred to middle channel, and then is transferred to entire body platform by middle channel, it is easy to accomplish energy transmission and decaying.

First mounting plate 2 has the first seat installation position 28, and the first seat installation position 28 with the inner end of seat for being connected So that the inner end of seat and seat beam 1 are relatively fixed, the first seat installation position 28 can be threaded hole, in this way, seat is interior End can be fixedly linked by threaded fastener and the first mounting plate 2, and mounting stability is good, and is readily disassembled, and be replaced convenient for the later period Or maintenance.

Second mounting plate 3 is connected with seat beam 1, as shown in Figure 1, the second mounting plate 3 is installed on the upper table of seat beam 1 Face, and 3 lower edges of the second mounting plate are fixedly linked with seat beam 1, the lower side edge of the second mounting plate 3 can be with seat beam 1 is connected by being welded and fixed.

Second mounting plate 3 has the second seat installation position 33, and the second seat installation position 33 is used to be connected with the outer end of seat, So that the outer end of seat and seat beam 1 are relatively fixed, wherein the second seat installation position 33 can be threaded hole, in this way, seat Outer end can be fixedly linked by threaded fastener and the second mounting plate 3, seat is stably supported on seat beam 1, from And guarantee occupant has good comfort by bus.

Wherein, as shown in Figure 1, the first mounting plate 2 is located at the laterally inboard of the second mounting plate 3, and the first mounting plate 2 and Two mounting plates 3 are laterally spaced apart, in this way, being fixedly linked by the inner end of the first mounting plate 2 and seat, pass through the second mounting plate 3 are fixedly linked with the outer end of seat, so that the both ends of seat are stably supported on seat beam 1, and seat and seat beam 1 Two fixed positions it is laterally spaced apart, the gravity that may make seat beam 1 to bear is more dispersed, avoids seat and occupant Gravity concentrates on the middle part of seat beam 1, prevents seat beam 1 from deforming, and improves the safety in utilization of seat beam 1, and First mounting plate 2 and the second mounting plate 3 all have the higher rigidity of structure and intensity, convenient for being used for a long time.

It should be noted that seat beam 1 can be used as hardware and software platform part, i.e. seat beam 1 is applicable to different automobile types, first Mounting plate 2 and the second mounting plate 3 are vehicle special purpose parts, in this way, the different performance demand of different automobile types is faced, in seat beam 1 In the case where constant, hardware and software platform utilization rate, drop can be improved by the first mounting plate 2 of replacement and the second mounting plate 3 to ensure performance Low development cost has very compared to integral structure (the first mounting plate 2, the second mounting plate 3 and seat beam 1 are integral type) Good economy.

First mounting plate 2 and the second mounting plate 3 are the bearing member of seat, can be by changing the installation of the first mounting plate 2, second The structure of plate 3, material be thick, material, come meet the rigidity of the first seat installation position 28 and the second seat installation position 33, intensity is wanted It asks.

Wherein, longitudinal is X to referring to the front-rear direction of vehicle；It is laterally Y-direction, refers to the left and right directions of vehicle；It is vertically Z-direction, Refer to the up and down direction of vehicle, it is interior to refer to close to the direction of vehicle centerline, it is outer to refer to the direction far from vehicle centerline.

According to the motor vehicle seat cross-member assembly 100 of the utility model embodiment, the first mounting plate 2 and the second mounting plate 3 are It is connected with seat beam 1, seat can be fixedly installed in seat beam 1 by the first mounting plate 2 and the second mounting plate 3, so that seat Chair is stably supported on seat beam 1, guarantees that occupant has good comfortableness and security while taking a bus.

In some embodiments, as shown in figure 3, the first mounting plate 2 includes: the first mainboard body 21 and the first flange.

Wherein, the first seat installation position 28 is set to the first mainboard body 21, and the first seat installation position 28 is threaded hole, and screw thread The first mainboard body 21 is run through in hole, in this way, the first mainboard body 21 is fixedly linked by threaded fastener and seat, such as Fig. 1 and Fig. 3 institute Show, the first mainboard body 21 also has first positioning hole 24, and first positioning hole 24 is through-hole, and first positioning hole 24 is for the first installation Plate 2 and seat installation position, and such as in one embodiment, the inner end of seat has positioning column, can be by when carrying out seat installation Positioning column is inserted into first positioning hole 24, with to 2 Primary Location of seat and the first mounting plate, then by threaded fastener by seat With 2 fixation of the first mounting plate, be conducive to the installation effectiveness for improving seat and the first mounting plate 2 as a result, have real well The property used.

First mainboard body 21 is connected with the first flange, as shown in figure 3, the first turnup ring is arranged around the first mainboard body 21, i.e., First flange is arranged along the circumferentially extending of the first mainboard body 21, and the first flange with seat beam 1, middle channel for being connected, and first Flange can be connected with seat beam 1, middle channel welds.As a result, the first mainboard body 21 by the first flange and seat beam 1, in Channel is connected, so that seat is stably supported on seat beam 1 and middle channel, so that the installation of seat is more stable, secured.The The structure of one mounting plate 2 is simple and easy for installation.

As shown in figure 3, the first flange includes: the first flanging 25, the first in-flanges 26 and two the first lateral flanges 27.

First flanging 25 is connected with the outer end of the first mainboard body 21, and the first flanging 25 is overlapped in 1 inner end of seat beam Upper surface, i.e. the first flanging 25 is overlapped with 1 inner end of seat beam, as a result, by the weight of the first flanging 25 and seat beam 1 Region welding is closed, the first flanging 25 may make to be stably connected with seat beam 1, greatlys improve seat beam 1 and the first peace The stability that loading board 2 connects.

First in-flanges 26 is connected with the inner end of the first mainboard body 21, two the first lateral flanges 27 respectively with the first mainboard body 21 both ends along longitudinal direction are connected, i.e., two the first lateral flanges 27 are oppositely arranged along longitudinal direction, the first in-flanges 26 and the first flanging 25 are transversely oppositely arranged.In this way, the first in-flanges 26, the first flanging 25 and two the first lateral flanges 27 are around the first mainboard Body 21 is connected, and one in 26, two the first lateral flanges 27 of the first in-flanges, the first flanging 25 and two the first lateral flanges Another in 27 is sequentially connected along the circumferential direction of the first mainboard body 21.

In this way, the first in-flanges 26 and two the first lateral flanges 27 are used to be connected with middle channel, the first flanging 25 with Seat beam 1 is connected, so that the first mounting plate 2 and middle channel, seat beam 1 are relatively fixed, as a result, can pass through seat inner end First mounting plate 2 is stably supported on car body, so that automotive seat is safe and reliable.

In some embodiments, the first mainboard body 21 includes: the first plate 22 and the second plate 23, the outer end of the first plate 22 and the The inner end of two plates 23 is connected, and the second plate 23 upwardly extends from outside to inside, so that the second plate 23 is higher than the roof of seat beam 1 11, the first seat installation position 28 is installed on the first plate 22.It is understood that the roof of the first flanging 25 and seat beam 1 11 are connected, and the outer end of the second plate 23 is connected with the first flanging 25, the inner end of the second plate 23 higher than the second plate 23 outer end, i.e., the The inner end of two plates 23 is higher than the roof 11 of seat beam 1, and the first plate 22 is higher than seat beam 1.In this way, the first seat installation position 28 Higher than seat beam 1, convenient for seat is installed on the first plate 22.

In some embodiments, as shown in figure 4, the second mounting plate 3 includes: the second mainboard body 31 and the second flange 32.

Second flange 32 is arranged around the second mainboard body 31, i.e., the second flange 32 is set along the circumferentially extending of the second mainboard body 31 It sets, the second flange 32 is connected with the upper surface of seat beam 1, and the second flange 32 can be with multiple positions of the upper surface of seat beam 1 It sets and is connected by welding, so that the second mounting plate 3 and seat beam 1 are relatively fixed.

As shown in figure 4, the second seat installation position 33 is set to the second mainboard body 31, in this way, the second mainboard body 31 passes through screw thread Fastener is connected with the outer end of seat beam 1, and the height of the second mainboard body 31 vertically is higher than the roof 11 of seat beam 1 along perpendicular To height, i.e. the upper surface that the second mainboard body 31 protrudes from seat beam 1, in this way, seat and the second mounting plate 3 is fixed When being connected, the structure of seat beam 1 does not interfere the assembly of seat and the second mounting plate 3, reasonable in design convenient for operation.

As shown in figure 4, the second mainboard body 31 also has second location hole 34, second location hole 34 is through-hole, the second positioning Hole 34 is positioned for the second mounting plate 3 and seat installation, and such as in one embodiment, the outer end of seat has positioning column, into When row seat is installed, positioning column can be inserted into second location hole 34, with to 3 Primary Location of seat and the second mounting plate, then be led to Threaded fastener is crossed by 3 fixation of seat and the second mounting plate, is conducive to the peace for improving seat and the second mounting plate 3 as a result, Efficiency is filled, there is good practicability.

In some embodiments, the second flange 32 is formed as the side of more terrace with edges, and the second mainboard body 31 is formed as more terrace with edges Upper bottom, as shown in Figure 1, the second flange 32 is annular, and the second flange 32 radially upwardly extends from outside to inside, i.e., second turns over The inner ring edge on side 32 is higher than the outer annular edge edge of the second flange 32, inner ring edge and 31 phase of the second mainboard body of the second flange 32 Even, the second flange 32 and the second mainboard body 31 are an integral molding structure and are formed as more terrace with edges, in this way, the second mounting plate 3 has Good stability, so that Seat support, after the second mainboard body 31, the overall structure of seat and the connection formation of seat beam 1 is more Add firm.

Wherein, the outer annular edge edge of the second flange 32 is weldingly connected with seat beam 1, and contact area is larger, can make as a result, It obtains the stress that the second flange 32 is compressed with seat beam 1 relatively to disperse, prevents the excessive mutagens shape of 1 local stress of seat beam, improve The safety of 1 structure of seat beam, convenient for being used for a long time.

In some embodiments, as shown in Fig. 2, the roof 11 of seat beam 1 is equipped with the first lightening hole 12, the first lightening hole 12 be rectangular opening, certainly can also be other shapes.First lightening hole 12 can reduce the total quality of seat beam 1, reduce seat The production material of crossbeam 1 reduces production cost.The top of the first lightening hole 12 is arranged in second mounting plate 3, and closes first and subtract Repeated hole 12 after second mounting plate 3 is installed on seat beam 1 and is fixed on floor, forms enclosed construction, and is in box body shape, by This, can be improved the rigidity property of seat beam 1.

In some embodiments, the roof 11 of seat beam 1 is equipped with the second lightening hole 13, and the second lightening hole 13 is rectangle Hole, and the second lightening hole 13 is extended along the length direction of seat beam 1, the second lightening hole 13 can reduce seat beam 1 Total quality reduces the production material of seat beam 1, reduces production cost.

Second lightening hole 13 is between the first mounting plate 2 and the second mounting plate 3, in this way, the first lightening hole 12 and second Lightening hole 13 is arranged spaced apart along the length direction of seat beam 1, so that the quality of each position of seat beam 1 is comparatively Uniformly, while guaranteeing the local stiffness of seat beam 1 in safe range.It is understood that the first mounting plate 2, second is pacified Loading board 3 and equal stress at the link position of seat beam 1 are larger, and the second lightening hole 13 is located at the first mounting plate 2 and second as a result, Load position can be avoided between mounting plate 3, in the case where guaranteeing 1 rigidity of structure of seat beam and intensity, greatly reduce seat The total quality of chair crossbeam 1 realizes the lightweight of seat beam 1.

In some embodiments, as Figure 1-Figure 2, the side wall 14 of seat beam 1 is equipped with multiple crumple muscle 15, multiple to burst Contracting muscle 15 is arranged spaced apart along the length direction of side wall 14, as shown in Fig. 2, the two side walls 14 of seat beam 1 are equipped with crumple Muscle 15, and each side wall 14 is set there are three crumple muscle 15, crumple muscle 15 greatly improves the rigidity of structure of seat beam 1.

In this way, crumple under the action of impact force of crumple muscle 15 deforms, and crumple muscle 15 is becoming when vehicle is hit Impact energy is absorbed during shape, so that collision energy is effectively decayed, can be reduced seat deformation as a result, be guaranteed to multiply Member's safety.

First mounting plate 2, the second mounting plate 3 are fixedly installed in seat beam 1, wherein the second mounting plate 3 passes through solder joint four Face connect to form enclosed construction with seat beam 1, and the first mounting plate 2 is connected with seat beam 1, middle channel, is formed closed Structure.Seat beam 1 is installed on body platform simultaneously, and forms closed box body structure with body platform, to ensure that seat The overall stiffness performance of chair crossbeam 1.

The utility model also proposed a kind of vehicle.

According to the vehicle of the utility model embodiment, comprising: middle channel, sill strip and any of the above-described kind of embodiment automobile Seat beam assembly 100, wherein the first mounting plate 2 is connected with middle channel, and the outer end of seat beam 1 is connected with sill strip, automobile The structure of seat beam assembly 100 is simple, easy to install and use, is suitable for batch production.The vehicle seat of the utility model embodiment Chair has good stability, and when vehicle collides, the deflection of seat beam 1 is smaller, and the safety that occupant rides is higher.Its In, vehicle includes car, SUV, commercial vehicle, and use scope is extensive.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (10)

1. a kind of motor vehicle seat cross-member assembly (100) characterized by comprising

Seat beam (1)；

First mounting plate (2), first mounting plate (2) are connected with the seat beam (1), and first mounting plate (2) is suitable The channel Yu Yuzhong is connected, and first mounting plate (2) has the first seat installation position (28)；

Second mounting plate (3), second mounting plate (3) are connected with the seat beam (1), the second mounting plate (3) tool There is the second seat installation position (33)；

Wherein first mounting plate (2) is located at the laterally inboard of second mounting plate (3), and with second mounting plate (3) laterally spaced apart.

2. motor vehicle seat cross-member assembly (100) according to claim 1, which is characterized in that the first mounting plate (2) packet Include: the first mainboard body (21) and the first flange, first seat installation position (28) is set to the first mainboard body (21), described First mainboard body (21) is connected with first flange, and first flange is used for and the seat beam (1), the middle channel It is connected.

3. motor vehicle seat cross-member assembly (100) according to claim 2, which is characterized in that first flange includes:

First flanging (25), first flanging (25) are connected with the outer end of the first mainboard body (21), and described first Flanging (25) is overlapped in the upper surface of the seat beam (1) inner end；

First in-flanges (26) and two the first lateral flanges (27) being oppositely arranged along longitudinal direction, first in-flanges (26) and institute The inner end for stating the first mainboard body (21) is connected, and two first lateral flanges (27) are respectively with the first mainboard body (21) along vertical To both ends be connected, first in-flanges (26) and first lateral flange (27) are used to be connected with the middle channel.

4. motor vehicle seat cross-member assembly (100) according to claim 3, which is characterized in that the first mainboard body (21) It include: the first plate (22) and the second plate (23), the outer end of first plate (22) is connected with the inner end of second plate (23), and Second plate (23) upwardly extends from outside to inside so that second plate (23) is higher than the roof of the seat beam (1) (11), first seat installation position (28) are set to first plate (22).

5. motor vehicle seat cross-member assembly (100) according to claim 1, which is characterized in that the second mounting plate (3) packet Include: the second mainboard body (31) and the second flange (32), second flange (32) are arranged around the second mainboard body (31), institute It states the second flange (32) to be connected with the upper surface of the seat beam (1), second seat installation position (33) is set to described the Two mainboard bodies (31), the height of the second mainboard body (31) vertically are higher than the roof (11) of the seat beam (1) along perpendicular To height.

6. motor vehicle seat cross-member assembly (100) according to claim 5, which is characterized in that the second flange (32) shape As the side of more terrace with edges, the second mainboard body (31) is formed as the upper bottom of more terrace with edges.

7. motor vehicle seat cross-member assembly (100) according to claim 1 to 6, which is characterized in that the seat The roof (11) of crossbeam (1) is equipped with the first lightening hole (12), and second mounting plate (3) is arranged in first lightening hole (12) Top, and close first lightening hole (12).

8. motor vehicle seat cross-member assembly (100) according to claim 1 to 6, which is characterized in that the seat The roof (11) of crossbeam (1) is equipped with the second lightening hole (13), and second lightening hole (13) is located at the first mounting plate (2) and described Between second mounting plate (3).

9. motor vehicle seat cross-member assembly (100) according to claim 1 to 6, which is characterized in that the seat The side wall (14) of crossbeam (1) is equipped with multiple crumple muscle (15), length side of multiple crumple muscle (15) along the side wall (14) To arranged spaced apart.

10. a kind of vehicle characterized by comprising middle channel and motor vehicle seat cross-member of any of claims 1-9 Assembly (100), first mounting plate (2) are connected with the middle channel.