CN211736162U - Caulking strip and panel mounting assembly - Google Patents

Abstract

The embodiment of the utility model discloses caulking strip and panel mounting assembly, it includes: the decorative plate comprises a body, a clamping plate, a first inserting plate and a second inserting plate, wherein the body is provided with an assembling surface and a decorative surface for decoration, the clamping plate is vertically arranged on the assembling surface, and the clamping plate is provided with a first clamping plate surface and a second clamping plate surface which are oppositely arranged; the first inserting plate is vertically arranged on the first clamping plate surface, the second inserting plate is vertically arranged on the second clamping plate surface, the first inserting plate and the assembling surface of the body form a first slot, and the second inserting plate and the assembling surface of the body form a second slot. Utilize the embodiment of the utility model provides a can improve the fitment effect, simple structure is with low costs moreover.

Description

Caulking strip and panel mounting assembly

Technical Field

The utility model relates to a decoration and fitment technical field, concretely relates to caulking strip and panel mounting assembly.

Background

At present, with the improvement of the living standard of people, the requirement on decoration is higher and higher, and the baking varnish glass panels are increasingly used for decoration on home background walls or office places. The existing installation method of the baking varnish glass panel comprises the following steps: the whole back of the baking varnish glass panel is glued and then is bonded on the wall body, so that the installation is inconvenient and quick, and the baking varnish glass panel is difficult to disassemble and low in replacement efficiency when needing to be replaced.

SUMMERY OF THE UTILITY MODEL

In view of the above, an embodiment of the present invention provides a caulking strip and a panel installation assembly to solve the above technical problems.

An embodiment of the utility model provides an caulking strip, it includes: the decorative plate comprises a body, a clamping plate, a first inserting plate and a second inserting plate, wherein the body is provided with an assembling surface and a decorative surface for decoration, the clamping plate is vertically arranged on the assembling surface, and the clamping plate is provided with a first clamping plate surface and a second clamping plate surface which are oppositely arranged; the first inserting plate is vertically arranged on the first clamping plate surface, the second inserting plate is vertically arranged on the second clamping plate surface, the first inserting plate and the assembling surface of the body form a first slot, and the second inserting plate and the assembling surface of the body form a second slot.

Optionally, the portable terminal further comprises a third inserting plate, the third inserting plate is vertically arranged on the first clamping plate surface, and the first inserting plate is located between the third inserting plate and the body.

Optionally, the portable terminal further comprises a fourth inserting plate, the fourth inserting plate is vertically arranged on the second clamping plate surface, and the second inserting plate is located between the fourth inserting plate and the body.

Optionally, the third and fourth insert plates are symmetrical about the clamping plate.

Optionally, the first and second insert plates are symmetrical about the clamping plate.

Optionally, the cross sections, perpendicular to the length direction of the caulking strips, of the first inserting plate, the second inserting plate, the third inserting plate and the fourth inserting plate are all right-angled trapezoids.

Optionally, the surfaces of the first insertion plate, the second insertion plate, the third insertion plate and the fourth insertion plate facing the body are all parallel to the assembly surface.

Optionally, both side edges of the body in the length direction are provided with a concave part.

Optionally, the caulking strips are made of soft and hard co-extruded PVC.

The embodiment of the utility model provides a still provide a panel mounting assembly, it includes as above caulking strip.

The embodiment of the utility model provides an caulking strip and panel mounting assembly is through setting up the body, splint, first picture peg and second picture peg form first slot and second slot with the body respectively, the grafting strip in first backup pad and the second backup pad is pegged graft respectively in first slot and second slot, not only can fill the gap between the adjacent panel, improve the fitment effect, still can increase the installation fastness of caulking strip, prevent to inlay and establish the strip and deviate from to simple structure, it is with low costs.

Drawings

Fig. 1 is a schematic structural diagram of a panel mounting assembly according to an embodiment of the present invention.

Fig. 2 is the structure of the ceiling keel of the embodiment of the utility model.

Fig. 3 is a schematic structural diagram of an angle adjusting bracket according to an embodiment of the present invention.

Fig. 4 is the installation schematic diagram of the ceiling keel of the embodiment of the utility model.

Figure 5 is the installation schematic diagram of the utility model discloses a keel.

Fig. 6 is a schematic structural diagram of an installation buckle strip according to an embodiment of the present invention.

Figure 7 is an assembly view of a panel and mounting keel according to an embodiment of the invention.

Fig. 8 is a schematic structural diagram of a supporting member according to an embodiment of the present invention.

Fig. 9 is a schematic structural view of a caulking strip according to an embodiment of the present invention.

Fig. 10 is a flowchart of a panel installation method according to an embodiment of the present invention.

Detailed Description

The technical solution of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Fig. 1 shows the structure schematic diagram of the panel mounting assembly of the embodiment of the present invention, as shown in fig. 1, the embodiment of the present invention provides a panel mounting assembly, which includes: the installation profile, installation fossil fragments 2, be used for fixing the ceiling joist 3 on wall 6 and be used for fixing the ground keel 4 on ground.

Inserting grooves are formed in the top keel 3 and the ground keel 4, and two ends of the installation keel 2 in the length direction are respectively inserted into the inserting grooves of the top keel 34 and the ground keel 4.

The installation keel 2 is provided with a clamping groove, the installation buckling strip is installed on the panel 1, and the installation buckling strip is clamped with the clamping groove.

During assembly, the ceiling keel 3 is fixed on the wall 6; fixing the ground keel 4 on the ground; then, two ends of the mounting keel 2 are respectively inserted into the insertion grooves of the ceiling keel 3 and the ground keel 4; the mounting keel 2 can be slid to a predetermined position along the insertion groove.

Then mounting the mounting buckle strip on the panel 1; the installation of the panel 1 can be realized by clamping the installation buckling strips in the clamping grooves of the installation keels 2.

When changing panel 1, only need to extract the installation profile from the joint inslot of installation fossil fragments 2, for example extract the installation profile from the joint inslot of installation fossil fragments 2 through the sucking disc.

Then, the installation buckle strip is assembled on the new panel 1, and then the installation buckle strip is clamped into the clamping groove of the installation keel 2.

The embodiment of the utility model provides a panel mounting assembly is through setting up installation profile, installation fossil fragments, sky fossil fragments and ground fossil fragments, installation fossil fragments pass through the world fossil fragments to be fixed on the wall body, the panel passes through the installation profile joint and in the joint inslot of installation fossil fragments, panel integral erection adopts the operation of sending out futilely, all parts all can be in industrial production of mill, the on-the-spot assembled installation that carries out, can practice thrift installation time greatly, improve the installation effectiveness, simultaneously can greatly facilitate the change of panel, the later stage maintenance of being convenient for improves maintenance efficiency.

In a preferred embodiment of the present invention, the structures of the ceiling keel 3 and the floor keel 4 are consistent and both are of a groove structure. When the ceiling keel 3 is installed on the ground, it is also called a ground keel.

As shown in fig. 2, the keel 3 and the keel 4 each include a base 31, a first insertion plate 32 and a second insertion plate 33.

The base 31 has a first side and a second side for fixing the wall 6 or the ground, and the first side and the second side are opposite to each other.

The first inserting plate 32 and the second inserting plate 33 are respectively vertically arranged on the first side surface, and the three form the inserting groove.

Through all setting up ceiling keel 3 and ground fossil fragments 4 into the cell type structure, can retrench the structure of ceiling keel, reduce weight, easy to assemble.

Further, the base 31 is hollow to further reduce the self weight.

Preferably, a partition 34 is further disposed inside the base 31. The partition 34 partitions the inside of the susceptor 31 into a first hollow region and a second hollow region.

By providing the partition 34, the strength of the base 31 can be increased.

More preferably, the partitions 34 are perpendicular to the two inner walls of the base, respectively, and the partitions 34 are parallel to the first insertion plate 32, so as to facilitate the arrangement of the partitions 34.

Preferably, as shown in fig. 2 to 4, a through hole is formed in a side wall of the second hollow area away from the second inserting plate 33, and the first fastening member passes through the through hole and is connected with the leveling corner connector 8.

Further, a positioning groove 35 is formed in the side wall of the first hollow area facing the first plug board 33, so that the second fastening piece can be assembled conveniently.

As shown in fig. 5, the expansion bolt sequentially passes through the positioning slot 35, the first hollow area and the second side surface to fix the ground keel 4 on the ground.

Furthermore, the skullage 3 and the ground keel 4 are both aluminum alloy sections, so as to further reduce the production cost.

Optionally, the second inserting plate 33 is provided with the outer convex portion 36 on the face towards the first inserting plate 34, the fixing plate of the installation keel 2 is provided with an inner concave portion corresponding to the outer convex portion 36 one by one, and the outer convex portion 36 is embedded into the inner concave portion, so that the installation firmness of the installation keel 2 can be increased, the installation keel 2 is prevented from moving along the length direction of the installation keel 2, and the installation keel 2 can be made to slide in the world keel better.

As shown in fig. 2, the number of the convex portions 36 is at least three, the at least three convex portions 36 are arranged in parallel along the width direction of the second socket plate 33, and the intervals between the adjacent convex portions 36 are equal.

As shown in fig. 3-4, the panel mounting assembly further includes leveling corner brackets 8 that include vertically connected cross plates 81 and risers 82.

The horizontal plate 81 is provided with a first waist-shaped hole 83, and the extending direction of the first waist-shaped hole 83 is perpendicular to the vertical plate 82.

The vertical plate 82 is provided with a second waist-shaped hole 84, and the extending direction of the second waist-shaped hole 84 is perpendicular to the transverse plate 81.

The first fastener passes through the first waist-shaped hole 83 to fasten the base of the ceiling keel 3 and the transverse plate 81, and the second fastener passes through the second waist-shaped hole 84 to fix the vertical plate 82 on the wall.

The leveling of the ceiling keel 3 is realized by adjusting the position of the first fastener in the first waist-shaped hole 83 and the position of the second fastener in the second waist-shaped hole 84, and the installation leveling of the panel 1 is ensured. In the present embodiment, the first fastener and the second fastener are both bolts.

Preferably, as shown in fig. 6-7, the mounting buckle 10 includes a base plate 101, a first buckle plate 102 and a second buckle plate 103.

The first plate surface of the substrate 101 is bonded to the panel 1, and in this embodiment, the substrate 101 is bonded to the panel 1, for example, by VBH paste (Very High Bond).

The first buckle plate 102 and the second buckle plate 103 are respectively vertically arranged on a second plate surface of the base plate 101, which is opposite to the first plate surface, and a gap is formed between the two buckle plates.

First buckle 102 deviates from and is provided with first bellying on the face of second buckle 103, is provided with the second bellying on the face that second buckle 103 deviates from first buckle 102, installation profile 10 through first bellying and second bellying with joint groove joint.

Through setting up installation profile 10 for base plate 101, first buckle 102 and second buckle 103, can simplify the structure of installation profile 10, reduce the dead weight, convenient assembly.

Preferably, as shown in fig. 7, the mounting keel 2 includes a fixing plate 21, a first clamping arm 22 and a second clamping arm 23, and the first clamping arm 22, the second clamping arm 23 and the fixing plate 21 enclose a clamping groove.

The fixing plate 21 has an inner plate surface and an outer plate surface for connecting with the wall body 6, and the inner plate surface and the outer plate surface are arranged oppositely.

The first engaging arm 22 includes a first side plate 221 and a first abutting plate 222, and the second engaging arm 23 includes a second side plate 231 and a second abutting plate 232.

The first side plate 221 is vertically connected to the inner plate surface and the first abutting plate 222, and the second side plate 231 is vertically connected to the inner plate surface and the second abutting plate 232.

The first abutting plate 222 is coplanar with the second abutting plate 232 and is located between the first side plate 221 and the second side plate 231.

One side of the first abutting plate 222, which is far away from the first side plate 221, is turned toward the direction close to the fixed plate 21, so as to form a first turned edge 223.

One side of the second abutting plate 232 away from the second side plate 231 is turned toward the direction close to the fixing plate 21 to form a second turned edge 233.

The first flange 223 and the second flange 233 are perpendicular to the inner plate surface, and a first protruding portion is arranged on the plate surface of the first flange 223 facing the second flange 233.

The second flange 233 is provided with a second protruding portion on the surface facing the first flange 223, and the mounting buckle strip 10 is inserted into the clamping groove and clamped with the first protruding portion, the second protruding portion and the second protruding portion through the first protruding portion.

Through setting up installation fossil fragments 2 into fixed plate 21, first joint arm 22 and second joint arm 23, can retrench the structure of installation fossil fragments 2, further lighten the dead weight, easy to assemble.

Further, a third protruding portion 104 is provided on the substrate 101, and the third protruding portion 104 abuts against the first abutting plate 222. As shown in fig. 6, the third boss 104 is a semicircular boss.

After the panel 1 is installed, the friction force between the installation buckle 10 and the installation keel 2 can be reduced, and the panel 1 can move up and down conveniently. Wherein, the direction close to the ceiling keel 3 is 'up', and the direction close to the ground keel 4 is 'down'.

Preferably, the number of the mounting keels 2 is at least two, and at least two of the mounting keels 2 are arranged in parallel, so that the mounting stability of the panel 1 can be improved.

In this embodiment, there are two mounting keels 2, and the two mounting keels 2 are respectively located on two opposite sides of the panel 1.

During assembly, one of the installation keels 2 is fixed on the wall body 6 through the installation corner connector, and one side of the panel 1 is installed on the installation keel 2.

Then the position of another installation keel 2 is adjusted according to the width of the panel 1, the other side of the panel 1 is installed on the installation keel 2, and the installation keel 2 is fixed on the wall 6 through an installation corner connector.

Further, as shown in fig. 1 and 8, the panel mounting assembly further includes: a support 5. The support 5 comprises a support keel 52.

The supporting keels 52 are located between the adjacent installation keels 2, two ends of the supporting keels 52 in the length direction are respectively inserted into the inserting grooves of the ceiling keel 3 and the ground keel 4, and the panel 1 abuts against the supporting keels 52.

By providing the support runner 52, a supporting force can be provided to the panel 1 to better fix the panel 1.

Preferably, the support 5 further comprises a cushioning layer 51, said cushioning layer 51 resting on the support keel 52. By providing the buffer layer 51, the panel 1 can be prevented from colliding with the support runners 52, and the panel 1 can be protected from damage.

Optionally, the support keels 52 are hollow to reduce the dead weight.

Further, the cross-section of the support grid 52 perpendicular to the length direction is square to facilitate machining.

Preferably, the panel installation assembly further comprises an installation angle bracket 9, the installation angle bracket 9 comprises a vertical plate and a horizontal plate which are vertically connected, a third waist-shaped hole is formed in the horizontal plate, and the extending direction of the third waist-shaped hole is perpendicular to the vertical plate.

The first side plate and the vertical plate of the mounting keel 2 are fastened through a third fastener, and a fourth fastener penetrates through a third waist-shaped hole to be fixed on the wall 6.

Wherein, the third fastener can adopt a screw. The fourth fastener may employ an expansion bolt.

Through setting up installation angle sign indicating number 9, the installation fastness of multiplicable installation fossil fragments 2 on the one hand, on the other hand, the setting in third waist type hole can reduce the requirement to expansion bolts hole site accuracy, allows expansion bolts's hole site to take place certain skew, avoids repeatedly punching.

Further, the installation keel further comprises a first supporting arm 25 and a second supporting arm 24, and the clamping groove is divided into a first clamping groove and a second clamping groove by the first supporting arm 25 and the second supporting arm 24.

The first support arm 25 includes a first support plate 251 and a first mounting plate 252, the first support plate 251 is vertically connected to the first mounting plate 252 and the inner plate surface, and the first mounting plate 252 is located between the first side plate 221 and the first support plate 251 and is coplanar with the first abutting plate 222.

The side of the first mounting plate 252, which is far away from the first support plate 251, is turned over toward the direction close to the fixing plate 21 to form a third turned-over edge 253, and a third protruding portion is arranged on the plate surface of the third turned-over edge 253, which faces the first turned-over edge 223.

The installation buckle strip 10 is inserted into the first sub-clamping groove and clamped by the first protruding part, the second protruding part and the third protruding part.

The second support arm 24 includes a second support plate 241 and a second support plate 242, the second support plate 241 is vertically connected to the second support plate 242 and the inner plate surface, respectively, and the second support plate 242 is located between the second side plate 231 and the second support plate 241 and is coplanar with the second abutting plate 232.

The side of the second mounting plate 242 away from the second support plate 241 is turned toward the direction close to the fixing plate 21 to form a fourth turned edge 243.

The fourth flanging 243 is provided with a fourth protruding part on the surface facing the second flanging 233, and the mounting buckle strip 10 is inserted into the second clamping and connecting groove and is clamped and connected with the fourth protruding part and the second protruding part through the first protruding part and the second protruding part.

An caulking strip 11 is embedded between the first supporting plate 251 and the second supporting plate 241.

By arranging the first supporting arm 25 and the second supporting arm 24, the clamping groove is divided into a first clamping groove and a second clamping groove, and adjacent panels 1 can be arranged on the same mounting keel 2, so that the number of parts is reduced, the cost is reduced, and the assembly efficiency is improved; moreover, the caulking strips 11 are embedded in the gap between the first support plate 251 and the second support plate 241, so that the decorative effect can be improved.

Optionally, the joint of the first abutting plate 222 and the first turned-over edge 223, the joint of the second abutting plate 232 and the second turned-over edge 233, the joint of the third turned-over edge 253 and the first mounting plate 252, and the joint of the fourth turned-over edge 243 and the second mounting plate 242 are chamfered, so that the widths of the inlets of the first clamping groove and the second clamping groove are increased, and the insertion of the mounting buckle 10 is facilitated.

Preferably, as shown in fig. 7-8, the panel mounting assembly further comprises a leveling member 7, said leveling member 7 comprising a leveling plate 71 and a blind rivet nut 72.

The leveling plate 71 is provided with a front face and a back face used for being abutted against the wall body 6, the front face and the back face are arranged oppositely, the rivet nut 72 is vertically arranged on the front face, the mounting keel 2 is provided with a screw hole, and the rivet nut 72 is in threaded connection with the screw hole.

The distance between the leveling plate 71 and the installation keel 2 is adjusted by screwing in and out the rivet nut 72 in the screw hole, so that the leveling of the installation keel 2 is realized.

After the ceiling keel 3 and the ground keel 4 are leveled, the installation keel 2 does not need to be leveled, and only the leveling plate 71 is attached to the wall 6.

As shown in fig. 8, the side of the support keel 52 facing the wall 6 is also provided with a screw hole to which a blind rivet nut 72 is screwed. The leveling plate 71 connected to the support keel 52 is made of plastic and is fixed to the wall 6 by air gun nails.

As shown in fig. 9, the caulking strip 11 includes a body 111, a clamping plate 112, a first insert plate 113, and a second insert plate 114.

The body 111 has an assembly surface and a decoration surface for decoration, the clamping plate 112 is vertically arranged on the assembly surface, and the clamping plate 112 has a first clamping plate surface and a second clamping plate surface which are oppositely arranged.

The first inserting plate 113 is vertically arranged on the first clamping plate surface, the second inserting plate 114 is vertically arranged on the second clamping plate surface, a first slot is formed by the assembling surface of the first inserting plate 113 and the body 111, and a second slot is formed by the assembling surface of the second inserting plate 114 and the body 111.

The two opposite surfaces of the first supporting plate 251 and the second supporting plate 241 are provided with inserting strip portions, and the inserting strips are respectively embedded in the first slot and the second slot so as to increase the installation firmness of the caulking strips 11.

Further, the caulking strip 11 further comprises a third inserting plate 115, the third inserting plate 115 is vertically arranged on the first clamping plate surface, and the first inserting plate 113 is located between the third inserting plate 115 and the body 111.

By arranging the third insertion plate 115, the third insertion plate 115 is clamped between the clamping plate 112 and the second supporting plate 241, so that the friction force between the body 111 and the second supporting plate 241 can be increased, and the installation firmness of the caulking strip 11 is further increased.

Similarly, the caulking strip 11 further comprises a fourth insertion plate 116, the fourth insertion plate 115 is vertically arranged on the second clamping plate surface, and the second insertion plate 114 is positioned between the fourth insertion plate 116 and the body 111.

Optionally, the cross sections of the first insert plate 113, the second insert plate 114, the third insert plate 115 and the fourth insert plate 116, which are perpendicular to the length direction of the caulking strip, are all right-angled trapezoids for facilitating the processing.

Preferably, the surfaces of the first insert plate 113, the second insert plate 114, the third insert plate 115 and the fourth insert plate 116 facing the body 11 are all parallel to the assembly surface, so as to further facilitate the processing.

Further, the first and second insert plates 113 and 114, and the third and fourth insert plates 115 and 116 are symmetrical with respect to the chucking plate 112, and can be further easily processed.

Optionally, the first insert plate 113, the second insert plate 114, the third insert plate 115 and the fourth insert plate 116 all protrude from the body 111 so as to be better embedded between the first support plate 251 and the second support plate 241.

Further, the body 111 is a rectangular plate, both side edges of the rectangular plate in the length direction are provided with recessed portions 117, and the recessed portions 117 are respectively matched with the joints of the first supporting plate 251 and the first mounting plate 252 and the joints of the second supporting plate 241 and the second mounting plate 242, so as to improve the decoration effect.

Optionally, the caulking strip 11 is integrally formed, further reducing production costs.

Furthermore, the material of the caulking strip 11 is a soft and hard co-extruded PVC (Polyvinyl chloride) material, so as to further reduce the production cost.

Based on above-mentioned panel installation assembly, as shown in fig. 10, the embodiment of the present invention further provides a panel installation method, which includes:

fixing the skullcaput beetle bone on a wall body;

fixing the ground keel on the ground;

inserting two ends of the mounting keel into the inserting grooves of the top keel and the ground keel respectively;

mounting the mounting buckle strip on the panel;

and the mounting buckling strip is clamped in the clamping groove of the mounting keel.

The embodiment of the utility model provides a panel mounting method is through setting up installation profile, installation fossil fragments, ceiling keel and ground fossil fragments, and installation fossil fragments pass through the ceiling keel and fix on the wall body, and the panel passes through the installation profile joint and in the joint inslot of installation fossil fragments, and the operation is sent out futilely in the integral erection adoption, and all parts all can be at industrial production of mill, and the on-the-spot assembled installation that carries out can practice thrift installation time greatly, improves the installation effectiveness, can greatly facilitate the change of panel simultaneously, the later stage maintenance of being convenient for, improvement maintenance efficiency.

The technical solution of the present invention is described in detail with reference to the specific embodiments, and the described specific embodiments are used to help understand the idea of the present invention. The derivation and modification made by the person skilled in the art on the basis of the specific embodiments of the present invention also belong to the protection scope of the present invention.

Claims (10)

1. A caulking strip, comprising: the decorative plate comprises a body, a clamping plate, a first inserting plate and a second inserting plate, wherein the body is provided with an assembling surface and a decorative surface for decoration, the clamping plate is vertically arranged on the assembling surface, and the clamping plate is provided with a first clamping plate surface and a second clamping plate surface which are oppositely arranged; the first inserting plate is vertically arranged on the first clamping plate surface, the second inserting plate is vertically arranged on the second clamping plate surface, the first inserting plate and the assembling surface of the body form a first slot, and the second inserting plate and the assembling surface of the body form a second slot.

2. The caulking strip according to claim 1, further comprising a third insert plate, the third insert plate being vertically disposed on the first insert plate face, the first insert plate being located between the third insert plate and the body.

3. The caulking strip according to claim 2, further comprising a fourth insert plate, the fourth insert plate being vertically disposed on the second clip plate face, the second insert plate being located between the fourth insert plate and the body.

4. The caulking strip according to claim 3, wherein the third insert plate and the fourth insert plate are symmetrical with respect to the clamping plate.

5. The caulking strip according to claim 4, wherein the first insert plate and the second insert plate are symmetrical with respect to the clamping plate.

6. The caulking strip according to claim 3, wherein the sections of the first insert plate, the second insert plate, the third insert plate and the fourth insert plate perpendicular to the length direction of the caulking strip are all right-angled trapezoids.

7. The caulking strip according to claim 6, wherein the plate surfaces of the first insert plate, the second insert plate, the third insert plate and the fourth insert plate facing the body are all parallel to the assembling surface.

8. The caulking strip according to any one of claims 1 to 7, wherein both side edges in the length direction of the body are provided with a recessed portion.

9. The caulking strip according to any one of claims 1 to 7, wherein the material of the caulking strip is soft and hard co-extruded PVC.

10. A panel mounting assembly comprising a caulking strip according to any of claims 1 to 9.

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