CN207009000U - Casing and the display screen unit using the casing - Google Patents

Abstract

The utility model discloses a kind of casing.The casing includes first surface, the second surface being oppositely arranged with the first surface and the multiple fixing devices of fixed display panel, and multiple fixing devices along perpendicular to the direction of the display panel by the casing located at the second surface periphery and for being fixed on mounting bracket.The utility model provides a kind of display screen unit using the casing.Casing provided by the utility model and the display screen unit of the casing is used by setting fixing device with casing along being fixed on perpendicular to the direction of display panel on mounting bracket, it not only simplify structure, weight is alleviated, reduces volume, and without using connector in installation process.

Description

Casing and the display screen unit using the casing

【Technical field】

It the utility model is related to display screen mounting technique field, and in particular to a kind of casing and the display screen using the casing Unit.

【Background technology】

Fast-developing and commonly used with LED display technology, public place and various performance stages etc. all start Using resolution ratio is higher, moulding is more abundant, showing area, bigger, more frivolous, color rendering effect more preferably big screen LED shows Display screen.

The display screen of existing sheet metal box body and die casting aluminium casing, due to being subject to processing the limitation of technique, generally by its structure It is designed to be only suitable for the curved surface assembling and molding that plane is assembled or shape is single, in other words, otherwise existing display screen unit is only Adapt to be assembled into flat-faced screen in plane, or can only be adapted to curved surface is assembled into camber display screen, can not realize and both may be used Plane it is assembled again can a variety of moulding curved surface or arc splicing structure or three-dimensional splicing structure, and be currently used for camber display screen Gap between the two neighboring camber display screen unit of assembling is big, and existing camber display screen unit is first by casing Curved surface is made in front, then goes to be spliced to together with connector, therefore can not adjust the curvature of camber display screen as needed, and Camber display screen unit making and excessively high etc. reason of installation difficulty, cost can not meet market demands.The structure of single moulding, The stage demand of current three-dimensional display effect can not be met, limit the application of LED display.

There is the assembled pattern that some display screen units can realize curved surface in the market, but such product it is assembled not With shape when need different connectors or body structure to coordinate, not only add production cost, and transport, storage not The technical problem such as convenient.For example, the patent No.：201310095999.8 title：It is a kind of can plane and curved surface assembling LED show The patent document of screen unit disclose it is a kind of can plane and curved surface display screen.Can plane and curved surface assembling LED display list Member includes display screen unit body, and four sides of the display screen unit body are equipped with dowel frame, the company of four sides The dowel frame for connecing at least two sides in left and right in muscle frame is provided with arc connector mounting groove or the hole of lateral arrangement, wherein The arc connector mounting groove of the dowel on a side in the side of left and right two or hole built with can the relative arc connect The arc connection sliding block that fitting mounting groove or hole are slided, and the both ends of arc connection sliding block are located at arc connector mounting groove or hole Outside, the top in the arc connector mounting groove or hole is provided with the pressure being fixed on arc connection sliding block on display screen unit body Block；The front of the display screen unit body is plane；The lateral surface of the dowel frame of two sides at least left and right is with showing Angle between display screen cell body front is 75 ° -90 °, and at least one side in the dowel frame of the side of left and right two Angle between the lateral surface of dowel frame and display screen unit body front is more than 75 °, and less than 90 °；Four sides Dowel frame at least up and down two sides dowel frame on be provided with straight connector mounting hole.Due to main body dowel frame side The supporting distinctive arc connection sliding block in face, while the side of main body dowel frame is additionally provided with straight connector mounting hole, hole Nei Kean Straight connector is filled, this can be caused, and main body dowel frame size is big, and quality weight is complicated, and the connector needed during combination.

【Utility model content】

The purpose of this utility model is that structure can be simplified by providing one kind, mitigated weight, reduced volume, and installing Casing without using connector and the display screen unit using the casing in journey.

The technical solution of the utility model is as follows：

A kind of casing for the display screen being easily installed, for display panel to be installed on mounting bracket to form large size panel Curtain, the second surface that the casing includes the first surface of fixed display panel and is oppositely arranged with the first surface are described Casing also includes multiple fixing devices, and multiple fixing devices are located at the second surface periphery and are used for the casing edge It is fixed on perpendicular to the direction of the display panel on mounting bracket.

Preferably, the fixing device is provided with the magnetic element for being used for being fixed on mounting bracket.

Preferably, the magnetic element is permanent magnet.

Preferably, the fixing device includes being fixedly arranged on the second surface and has the fixed column of host cavity, houses In the permanent magnet in the host cavity and the fixture for the permanent magnet to be fixed in the host cavity.

Preferably, the fixture is screw or bolt, and the permanent magnet is provided with and the fixture shape and size The counterbore to match, connecting pole is installed with the host cavity, and the connecting pole has the screw thread being engaged with the fixture Hole, the fixture is through the counterbore and is locked in the screwed hole.

Preferably, multiple dowels are set between the medial surface of the lateral surface of the connecting pole and the host cavity.

Preferably, it is provided between adjacent two fixed columns and is used for the casing and the positioning side of mounting bracket positioning.

Preferably, the casing also includes defining the model to be formed on the second surface and positioned at the fixing device Enclose interior handle portion.

Preferably, the quantity of the fixing device is four, and is located at the corner of the second surface respectively.

The utility model also provides a kind of display screen unit, the display screen unit include it is above-mentioned any one of case Body.

Compared with correlation technique, the beneficial effect of casing provided by the utility model and the display screen unit using the casing It is：

First, by setting the fixing device to be fixed on installation perpendicular to the direction of display panel with casing edge On frame, the casing not only simplify structure, alleviate weight, reduce volume, and without using even in installation process Fitting.

2nd, it is used for the magnetic element that is fixed on mounting bracket by the way that the fixing device to be arranged to be provided with, not only can be with Realize that i.e. dress is torn open, and be advantageous to simplify structure.

3rd, by the way that magnetic element is arranged into permanent magnet, can not only avoid increasing circuit, and increase can be avoided to protect Protection circuit or protection device are to prevent from occurring the problem of display screen unit falls under circuit powering-off state.

4th, the permanent magnet is fixed by setting the fixed column can be not only used for, the permanent magnet can be also played Protective effect, prevent the permanent magnet from transporting and the fragmentation by external force effect in installation process.

5th, can by setting multiple dowels between the medial surface of the lateral surface of the connecting pole and the host cavity To strengthen the intensity of the fixed column.

6th, the positioning side positioned by being provided for the casing between adjacent two fixed columns with mounting bracket, institute The intensity of the fixed column can also be strengthened by stating positioning side.

7th, by setting the handle portion, when certain described display screen unit need to be removed, standing in the casing Behind the display screen unit, hold the handle portion and push open forward, then sideling reach rear portion through space.Therefore only A people is needed to dismantle, it is very convenient.

【Brief description of the drawings】

Fig. 1 is the structural representation of display screen unit provided by the utility model；

Fig. 2 is the exploded view of display screen unit shown in Fig. 1；

Fig. 3 is the structural representation of another angle of display screen unit shown in Fig. 1；

Fig. 4 is the structural representation of display screen unit middle case shown in Fig. 2；

Fig. 5 is the structural representation of fixing device in casing shown in Fig. 4；

Fig. 6 is the structural representation of control unit in display screen unit shown in Fig. 2；

Fig. 7 is the structural representation of part-structure in display screen unit shown in Fig. 1；

Fig. 8 is a kind of exploded view of embodiment of part-structure shown in Fig. 7；

Fig. 9 is the structural representation of a parts in part-structure shown in Fig. 8；

Figure 10 is the sectional view in A-A directions shown in part-structure along Fig. 7 shown in Fig. 8；

Figure 11 is the exploded view of part-structure another kind embodiment shown in Fig. 7；

Figure 12 is the sectional view in A-A directions shown in part-structure along Fig. 7 shown in Figure 11；

Figure 13 is the structural representation of the splicing of display screen unit anisotropic approach shown in Fig. 1；

Figure 14 is the structural representation of the splicing of display screen unit right angle shown in Fig. 1.

【Embodiment】

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model some embodiments, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Fig. 1 and Fig. 2 are please referred to, wherein, Fig. 1 is the structural representation of display screen unit provided by the utility model, Fig. 2 is the exploded view of display screen unit shown in Fig. 1.The display screen unit 100 is used for multiple be installed on mounting bracket to be formed Large scale screen, the display screen unit 100 include display panel 1, casing 2, bonnet 3 and control unit 4, the display surface Plate 1 is fixedly arranged on the casing 2, the bonnet 3 lid be connected to side of the casing 2 away from the display panel 1 and with it is described Casing 2 encloses to form accommodating chamber, and described control unit 4 is fixedly arranged in the accommodating chamber and electrically connected with the display panel 1. In the present embodiment, described control unit 4 is located at the centre position of the casing 2.

The display panel 1 is made up of a display module, or is spliced to form by multiple display modules.Real as shown in the figure Apply in example, the display panel 1 is spliced to form by multiple display modules.

Fig. 4 is please referred to, is included for casing 2 described in the structural representation of display screen unit middle case shown in Fig. 2 fixed The display panel 1 and the first surface (not shown) matched with the shape and size of the display panel 1 and first table Second surface 21 that face is oppositely arranged, the side 22 of the connection first surface and the second surface 21 and multiple located at described The periphery of second surface 21 and for the casing 2 to be fixed on into consolidating on mounting bracket along perpendicular to the direction of the display panel 1 Determine device 23, wherein, at least partly described side 22 forms chamfering structure, the angle of the chamfering structure with the first surface For 20-70 °.In the present embodiment, the casing 2 is rectangular, and at least two sides 22 form with the first surface The casing is fixed on mounting bracket by corner structure, the fixing device 23 along perpendicular to the direction of the display panel.It is preferred that , four sides 22 form chamfering structure with the first surface.Because the second surface 21 is provided with the fixation Device 23 and the side 22 form chamfering structure with the first surface, so that each display screen unit 100 can To be perpendicularly fixed at respectively by the fixing device 23 in each display screen unit 100 on the mounting bracket, and can be with The seamless connection of the display panel 1 and the assembly of right angle and polymorphic structure display screen are realized, product is not only avoid and is spelling Need different connectors or body structure to coordinate when filling different shapes, and avoid directly assembled using display module Formed complicated caused by right angle and polymorphic structure display screen and professional require the problem of high.

Formed with wallboard 24 on the second surface 21, the lid of bonnet 3 be connected on the wallboard 24 and with the wallboard 24 and the second surface 21 enclose to form the accommodating chamber.The casing 2 is also included through the first surface and described the Two surfaces 21 and the connector 25 connected with the accommodating chamber, the display panel 1 pass through the connector 25 and the control Unit 4 electrically connects.

For the ease of multiple display screen units 100 are installed on mounting bracket, the casing 2 also includes being located at phase The positioning side 26 that is positioned between adjacent two fixing devices 23 and for the casing 2 and mounting bracket and located at the second surface On 21 and positioned at the handle portion 27 defined in the range of being formed of the fixing device 23.Meanwhile the positioning side 26 can be with Strengthen the intensity of the fixing device 23.When need to remove certain described display screen unit 100, standing is in the display screen Behind unit 100, hold the handle portion 27 and push open forward, then sideling reach rear portion through space.Therefore a people is only needed It can dismantle, it is very convenient.

Referring to Fig. 3, the structural representation of another angle for display screen unit shown in Fig. 1.In the present embodiment, it is described Position any point on side 26, in the handle portion 27 on any point and the bonnet 3 any point respectively to outside the first surface The line of profile is not more than the angle of the chamfering structure with the maximum angle that the first surface is formed.By by the positioning Side 26, the handle portion 27 and the bonnet 3 are arranged to such a mode, it is ensured that in the angle value of the same chamfering structure Under conditions of, increasing the splicing angular range of the display screen unit 100, (the splicing angle of i.e. described display screen unit 100 is most The angle value of the chamfering structure can be equal to greatly).

Fig. 5 is please referred to, is the structural representation of fixing device in casing shown in Fig. 4.The fixing device 23 is provided with For the magnetic element being fixed on mounting bracket.Wherein, the magnetic element can be permanent magnet, or electromagnet. In the present embodiment, the quantity of the fixing device 23 is four, and is located at the corner of the second surface 21 respectively, and due to Need to increase circuit using electromagnet, and to increase protection circuit or protection device to prevent from occurring institute under circuit powering-off state The problem of display screen unit 100 falls is stated, it is preferred, therefore, that the magnetic element is permanent magnet.By setting the fixed dress 23 are put so that the casing 2 is fixed on mounting bracket along perpendicular to the direction of the display panel 1, not only simplify structure, Weight is alleviated, reduces volume, and without using connector in installation process, it is possible to achieve i.e. dress is torn open.

Specifically, the fixing device 23 includes being fixedly arranged on the second surface 21 and the fixation with host cavity 23A Post 231, the permanent magnet 232 being contained in the host cavity 23A and for the permanent magnet 232 to be fixed on into the host cavity Fixture 233 in 23A.The permanent magnet 232 is fixed by setting the fixed column 231 can be not only used for, can also be to institute State permanent magnet 232 to play a protective role, prevent that the permanent magnet 232 is broken by external force effect in transport and installation process Split.

Wherein, the fixture 233 is screw or bolt, and the permanent magnet 232 is provided with and the shape of fixture 233 The counterbore 234 that shape and size match, connecting pole 235 is installed with the host cavity 23A, the connecting pole 235 has and institute The screwed hole 23B that fixture 233 is engaged is stated, the fixture 233 is through the counterbore 234 and is locked in the screwed hole 23B。

Lateral surface that can also be in the connecting pole 235 in order to strengthen the intensity of the fixed column 231 and the host cavity Multiple dowels 236 are set between 23A medial surface.

Fig. 6 is please referred to, is the structural representation of control unit in display screen unit shown in Fig. 2.Described control unit 4 Be welded on including the connecting plate 41 electrically connected with the display panel 1 and by tin cream reception card 42 on the connecting plate 41, Signal plug-in unit 43 and power insert 44, card 42, the signal plug-in unit 43 and the power insert 44 of receiving pass through the company Fishplate bar 41 connects with the display panel 1.In the present embodiment, the display panel 1 and the connecting plate 41 pass through located at institute The electrical connector (not shown) conducting in connector 25 is stated, described control unit 4 also includes being welded on the connection by tin cream Fan 45, detection button 46 and power supply 47 on plate 41, it is described receive card 42, the signal plug-in unit 43, the power insert 44, The fan 45 and the detection button 46 are turned on by the connecting plate 41 with the power supply.Wherein, the signal plug-in unit 43 It is located at two opposite ends of the connecting plate 41 respectively with the power insert 44, the power supply 47, described receive block the 42, wind Fan 45 be arranged in parallel, and is all located between the signal plug-in unit 43 and the power insert 44, and the detection button 46 is close A wherein side for the signal plug-in unit 43 and the power insert 44 is set.Welded by tin cream and replace original connection component, Fixation and electrical connection effect are not only realized, and significantly reduces the volume of described control unit 4.It can realize simultaneously The modularized design of control unit so that each display screen unit is a complete display screen, it is possible to achieve display screen Institute it is functional so that display screen unit is more convenient during assembling and maintenance, need to only be closed in maintenance and Dismantle problematic display screen unit, so as to ensure display screen when lacking part display screen unit can also normal work, Improve utilization rate.Further, since the reduction of the volume of described control unit 4, can make it that any point is respectively to institute on the bonnet 3 State the maximum angle that the line of first surface outline and the first surface are formed to reduce, so as to be advantageous to reduce the chamfering The minimum value of the angle of structure (i.e. by reducing the volume of described control unit 4, is advantageous to increase the angle of the chamfering structure Setting scope, so as to increase the usage scenario that the display screen unit 100 splices).

Fig. 7-Figure 12 is please referred to, wherein, Fig. 7 is the structural representation of part-structure in display screen unit shown in Fig. 1, Fig. 8 is a kind of exploded view of embodiment of part-structure shown in Fig. 7, and Fig. 9 is the structural representation of a parts in part-structure shown in Fig. 8 Figure, Figure 10 are the sectional view in A-A directions shown in part-structure along Fig. 7 shown in Fig. 8, and Figure 11 is that part-structure shown in Fig. 7 is another The exploded view of embodiment, Figure 12 are the sectional view in A-A directions shown in part-structure along Fig. 7 shown in Figure 11.In order that the bonnet 3 Installation is more convenient with dismantling, and in the present embodiment, the bonnet 3 is detachably connected by bayonet unit 6 and the casing 2, And the bayonet unit 6 passes through the connecting plate 41 of described control unit 4.

The bonnet 3 includes the mounting hole 31 run through.

The bayonet unit 6 includes latch part 61, is fixedly connected through the mounting hole 31 and with the latch part 61 Knob 62 and the hook part 63 being fixedly arranged on the casing 2, by rotating the knob 62 latch part 61 and described The clamping of hook part 63, to cause the lid of bonnet 3 to be connected on the wallboard 24.

The latch part 61 includes being fixedly arranged on body 611 on the knob 62 and at least one from the body 611 weeks Epitaxial lateral overgrowth stretches the joint end 613 to be formed.In the present embodiment, the body 611 and the knob 62 pass through screw or bolt Connection.

The hook part 63 includes the snap fit 631 being engaged with the joint end 613.The joint end 613 and the card Hook 631 and be provided with multiple, and multiple snap fits 631 circumferentially can be equidistantly fixedly arranged on the second surface 21, can also It is that the hook part 63 also includes being fixedly arranged on fixed part 633 on the second surface 21, multiple snap fits 631 are circumferentially etc. Spacing is fixedly arranged on the fixed part 633.

In order that when the latch part 61 and 63 clamping of hook part, the knob 62 keeps phase in the case where being acted on without external force To static.Also include location structure 65, the positioning formed with positioning step 33, the bayonet unit 6 in the mounting hole 31 Structure 65 is on the positioning step 33 and is contained in the mounting hole 31.In the present embodiment, the location structure 65 There can be the following two kinds：

First, the location structure 65 include being fixedly arranged on the knob 62 and the cylinder 651 with receiving space 65A and The locating piece 652 and spring 653 being contained in the receiving space 65A, the spring 653 flexibly support the locating piece 652 To cause the locating piece 652 and the positioning step 33 to contact, the locating piece 652 and the positioning under external force Relative displacement occurs for step 33.

During in order to ensure the latch part 61 and 63 clamping of hook part, the knob 62 is kept in the case where being acted on without external force The reliability of geo-stationary, the locating piece 652 are provided with projection 654, the positioning towards the surface of the positioning step 33 The surface that step 33 contacts with the locating piece 652 is provided with least two grooves 35 and connects leading for adjacent two groove 35 Groove 37, wherein, the depth of the groove 35 is more than the depth of the guide groove 37.Preferably, the quantity of the groove 35 is two, And when the projection 654 is located therein in a groove 35, the latch part 61 and the clamping of the hook part 63；When described When projection 654 is located in another groove 35, the latch part 61 and the hook part 63 unclamp, so that the groove 35 can also play a part of the positioning anglec of rotation of knob 62.

The location structure 65 also includes the shank 657 being fixedly arranged in the receiving space 65A, and the locating piece 652 is remote Surface from the positioning step 33 is additionally provided with projection 658, and the both ends of the spring 653 are sheathed on the He of shank 657 respectively Described raised 658.

2nd, the location structure 65 includes the spring 651' being fixedly arranged on the positioning step 33 and is contained in the installation Locating ring 653', the spring 651' in hole 31 support the locating ring 653' to cause the locating ring 653' and the rotation Button 62 is adjacent to, and relative displacement occurs for the locating ring 653' and the knob 62 under external force.

During in order to ensure the latch part 61 and 63 clamping of hook part, the knob 62 is kept in the case where being acted on without external force The reliability of geo-stationary, phase interworking can also be respectively equipped with the opposite surface of the locating ring 653' and the knob 62 The projection and groove of conjunction.

The utility model also provides a kind of display screen installation module, and the display screen installation module is including mounting bracket and at least Two it is above-mentioned any one of display screen unit 100.Each display screen unit 100 passes through each display screen list respectively Fixing device 23 in member 100 is perpendicularly fixed on the mounting bracket.Wherein, the mounting bracket is engraved structure, and described aobvious After display screen unit 100 is fixed on the mounting bracket, and the bonnet 3 of each display screen unit 100 is contained in described in one and engraved In hollow structure, so as to be advantageous to reduce the integral thickness of the display screen installation module.

Figure 13 is referred to, for the structural representation of the splicing of display screen unit anisotropic approach shown in Fig. 1.Multiple displays Screen unit 100 is spliced to form the first screen A and at least two of an annular totally one display screen unit 100 and curved the Two screen B, at least two second screen B end is connected with the first screen A respectively.

Figure 14 is referred to, for the structural representation of the splicing of display screen unit right angle shown in Fig. 1.When the display screen unit The angle of chamfering structure described in 100 is 20 ° -45 °, and the display panel 1 at least two display screen units 100 can At right angles to splice.Preferably, the angle of the chamfering structure is 45 °.

The beneficial effect of the display screen unit of casing provided by the utility model and the use casing is：

First, by setting the fixing device 23 to consolidate with the casing 2 along perpendicular to the direction of the display panel 1 Due on mounting bracket, the casing 2 not only simplify structure, alleviate weight, reduce volume, and the nothing in installation process Connector need to be used.

2nd, by being arranged to the fixing device 23 to be provided with the magnetic element for being used for being fixed on mounting bracket, not only may be used To realize that i.e. dress is torn open, and be advantageous to simplify structure.

3rd, by the way that magnetic element is arranged into permanent magnet, can not only avoid increasing circuit, and increase can be avoided to protect Protection circuit or protection device are to prevent from occurring the problem of display screen unit 100 falls under circuit powering-off state.

4th, the permanent magnet 232 is fixed by setting the fixed column 231 can be not only used for, can also be to the permanent magnetism Body 232 plays a protective role, and prevents the permanent magnet 232 from transporting and the fragmentation by external force effect in installation process.

5th, by setting multiple connections between the lateral surface of the connecting pole 235 and the host cavity 23A medial surface Muscle 236, the intensity of the fixed column 231 can be strengthened.

6th, the positioning side positioned by being provided for the casing 2 between adjacent two fixed columns 231 with mounting bracket 26, the positioning side 26 can also strengthen the intensity of the fixed column 231.

7th, by setting the handle portion 27 in the casing 2, when certain described display screen unit 100 need to be removed, operation Personnel stand behind the display screen unit 100, hold the handle portion 27 and push open forward, are then sideling reached through space Rear portion.Therefore only a people is needed to dismantle, it is very convenient.

Above-described is only embodiment of the present utility model, it should be noted here that the ordinary skill for this area For personnel, on the premise of not departing from the utility model and creating design, improvement can also be made.But these belong to this practicality New protection domain.

Claims (10)

1. A kind of 1. casing for the display screen being easily installed, for display panel to be installed on mounting bracket to form large size panel Curtain, the second surface that the casing includes the first surface of fixed display panel and is oppositely arranged with the first surface, it is special Sign is that the casing also includes multiple fixing devices, and multiple fixing devices are located at the second surface periphery and are used for The casing is fixed on mounting bracket along perpendicular to the direction of the display panel.
2. 2. casing according to claim 1, it is characterised in that the fixing device, which is provided with, to be used to be fixed on mounting bracket Magnetic element.
3. 3. casing according to claim 2, it is characterised in that the magnetic element is permanent magnet.
4. 4. according to the casing any one of claim 1-3, it is characterised in that the fixing device is described including being fixedly arranged on On second surface and the fixed column with host cavity, the permanent magnet that is contained in the host cavity and for the permanent magnet to be consolidated Fixture in the host cavity.
5. 5. casing according to claim 4, it is characterised in that the fixture is screw or bolt, on the permanent magnet Provided with the counterbore to match with the fixture shape and size, connecting pole, the connecting pole tool are installed with the host cavity There is the screwed hole being engaged with the fixture, the fixture is through the counterbore and is locked in the screwed hole.
6. 6. casing according to claim 5, it is characterised in that the inner side of the lateral surface of the connecting pole and the host cavity Multiple dowels are set between face.
7. 7. casing according to claim 4, it is characterised in that be provided between adjacent two fixed column and be used for the casing With the positioning side of mounting bracket positioning.
8. 8. casing according to claim 1, it is characterised in that the casing also includes on the second surface and position The handle portion in the range of being formed is defined in the fixing device.
9. 9. casing according to claim 1, it is characterised in that the quantity of the fixing device is four, and is located at respectively The corner of the second surface.
10. 10. a kind of display screen unit, it is characterised in that including casing as claimed in any one of claims 1-9 wherein.