CN201786905U - Pressure suction type vacuum sucker base - Google Patents
Pressure suction type vacuum sucker base Download PDFInfo
- Publication number
- CN201786905U CN201786905U CN2010202684101U CN201020268410U CN201786905U CN 201786905 U CN201786905 U CN 201786905U CN 2010202684101 U CN2010202684101 U CN 2010202684101U CN 201020268410 U CN201020268410 U CN 201020268410U CN 201786905 U CN201786905 U CN 201786905U
- Authority
- CN
- China
- Prior art keywords
- sucker
- type vacuum
- suction type
- pressure suction
- gland
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Abstract
The utility model relates to a pressure suction type vacuum sucker base, which comprises a plastic sucker, a sucker pressure cover and a nut, wherein the center of the plastic sucker is provided with a threaded pull rod, the center of the sucker pressure cover is provided with a penetrating hole of the threaded pull rod, and the nut is rotatablely twisted at the outer end of the threaded pull rod. The pressure suction type vacuum sucker base is characterized in that the plastic sucker is a thin wall flat surface plastic sucker, an outer ring position of a sucker surface of the thin wall flat surface plastic sucker is provided with a suction surface with a smooth board surface, the center position of the sucker surface of the thin wall flat surface plastic sucker is provided with a disc-shaped indent, a containing space for the enlarged and deformed disc-shaped indent of the thin wall flat surface plastic sucker is arranged in the pressure cover, and a pull rod control mechanism is arranged between the pressure cover and the nut for promoting the center pull rod axially moving to the outer end. By adopting the method, the firm suction of the pressure suction type vacuum sucker base on the smooth board surface is improved, and meanwhile, the suction period of the pressure suction type vacuum sucker base on the smooth board surface is also prolonged.
Description
Technical field
The utility model relates to the improvement of the sucker disk seat structure that is used for suspended item on the smooth plate face or apparatus location, especially a kind of pressure suction type vacuum sucker base.
Background technique
Sucker disk seat as a kind of can be on the smooth plate face as the pedestal of hook or apparatus location, use very generally, traditional sucker disk seat structure is very simple, is made of the plastic parts of flare.The process of the sucker disk seat of this structure adhesive on the smooth plate face is, when sucker disk seat fits in the smooth plate face, and the extruding sucker disk seat impels after air is extruded in the horn chamber, releasing is to the extruding of sucker disk seat, this moment, sucker disk seat promptly can rely on the gentle elasto-plasticity of himself to reset, yet closely cooperating of sucker disk seat card and smooth plate face makes formation one closed chamber between card and smooth plate face at this moment, sucker disk seat increases and the degree of vacuum raising with the closed chamber volume in gentle elasto-plasticity reseting procedure, and then sucker disk seat is pull-in on the smooth plate face securely.Though the structure of this sucker disk seat is very simple, the cooperating of card and smooth plate face because sucker disk seat adhesive on the smooth plate face places one's entire reliance upon, the distortion meeting of sucker disk seat card periphery directly influence and the smooth plate face between being sealed and matched.Therefore, though traditional sucker disk seat structure is simple, its holding time on smooth plate is very limited.For this reason, the claimant has successively done repeatedly structural improvement to the sucker disk seat of conventional construction, as: Chinese utility model patent ZL96120270.X " strong vacuum suction cup ", ZL01102039.2 " structure improved suction disk holder ", ZL01132621.8 " through transport sucker disk seat fast ".Its purpose all be for: one, improve the suction-combining force between sucker disk seat and smooth plate face; Two, prolong the time of sucker disk seat firm adhesive on smooth plate; Three, make things convenient for the operation of sucker disk seat adhesive on the smooth plate face.Above-mentioned patent has increased on original sucker disk seat basis can be to the gland of sucker dish Zhou Jinhang extruding, overcome the factor of sucker dish week deformation effect horn chamber sealing effect with this, reached the time of appropriate prolongation sucker disk seat firm adhesive on the smooth plate face, simultaneously by increasing through transport mechanism, changed the adhesive mode of operation between sucker disk seat and smooth plate face, promptly reset and realize that sucker disk seat and vacuum engagement between the smooth plate face change into by through transport mechanism and impel sucker disk seat and the formed Seal cage of smooth plate face to increase the degree of vacuum that improves Seal cage by relying on the gentle elasto-plasticity of sucker disk seat self fully, and then the vacuum engagement power between raising sucker disk seat and smooth plate face.But in actual use, find that the disclosed sucker disk seat of above-mentioned utility model patent still exists to make its structure more scientific and reasonable firm longer room for improvement of adhesive cycle on the smooth plate face.
Summary of the invention
Technical problem to be solved in the utility model is that a kind of structure of proposition is more reasonable, firm longer pressure suction type vacuum sucker base of adhesive cycle on the smooth plate face.
Technical problem of the present utility model is solved by the following technical programs.
This pressure suction type vacuum sucker base comprises: plastic polymer sucker, center that the center is provided with the screw thread dead man are provided with the dead man nut that the screw thread dead man places the sucker gland in hole and is screwed in screw thread dead man outer end.
The characteristics of this pressure suction type vacuum sucker base are: described plastic polymer sucker is a thin-walled planar plastic polymer sucker, and the position, card outer ring of thin-walled planar plastic polymer sucker is provided with the disc indent for adhesive face, the card center portion with the smooth plate face;
Be provided with in the described gland for the holding space after the disc indent increase distortion of square position face sucker;
Be provided with between described gland and the dead man nut and can impel the axially movable outward dead man operating mechanism of center dead man.
The technical problem of pressure suction type vacuum sucker base of the present utility model is solved by following further technological scheme.
Described dead man operating mechanism places two columns that parallel to the axis on the inwall of hole and kink and can place hole inwall column with the gland center cooperate axially movable spiral to handle cover to constitute on gland by being symmetricly set on the gland center.
Described spiral is handled cover and is made of body and the handlebar that is connected on the body outer wall, is arranged with in the body and can places the helicoid that inwall two column styletables in hole cooperate with the gland center.
The contact jaw of described column and helicoid is the arc surface end.
Described helicoid by the slope section, be connected the planar section on slope section top and be connected planar section in addition the spacing protruding of end constitute.
Be provided with gentle matter ring washer between the surface of contact of described gland and thin-walled planar plastic polymer sucker.The gentle matter ring washer of setting up can make gland effectively proper more to compressing of thin-walled planar plastic polymer sucker dish week.
The dish back of the body outer ring of described thin-walled planar plastic polymer sucker is connected with the hard ring.
Slanted angle α=18 of the slope section of described helicoid °～23 °.
The described downward-sloping angle β of planar section that is connected with slope section top=5 °～8 °.
The beneficial effect that the utility model is compared with the prior art is:
This pressure suction type vacuum sucker base is combining on the advantage basis of aforementioned each utility model patent, by improvement to plastic polymer sucker and gland, the smooth card of thin-walled planar plastic polymer sucker and the applying effect of smooth plate face have been improved greatly, be arranged on gland and can make things convenient for the upwards promotion of dead man that will be connected with thin-walled planar plastic polymer sucker middle part fast with dead man operating mechanism between the dead man nut, force upwards to lift and be glanded the thin-walled planar plastic polymer sucker middle part that is tight against dish week, impel the formed Seal cage of disc indent and smooth plate face to increase, the degree of vacuum of Seal cage is risen, and then improve the suction-combining force of this pressure suction type vacuum sucker base on the smooth plate face.Set up the gentle matter ring washer between gland and thin-walled planar plastic polymer sucker surface of contact, then can make gland effectively proper more, can avoid the distortion of thin-walled planar plastic polymer sucker dish week to cause Seal cage degree of vacuum to descend compressing of thin-walled planar plastic polymer sucker dish week.Above-mentioned measure has not only improved the firm the suction-combining force of pressure suction type vacuum sucker base on the smooth plate face, has prolonged the adhesive cycle of pressure suction type vacuum sucker base on the smooth plate face simultaneously.
The concrete structure of the utility model pressure suction type vacuum sucker base is provided in detail by the following drawings and embodiment.
Description of drawings
Fig. 1 is the main TV structure schematic representation of pressure suction type vacuum sucker base;
Fig. 2 is that pressure suction type vacuum sucker base A-A shown in Figure 1 is to cross-sectional view;
Fig. 3 is that the pressure suction type vacuum sucker base dead man pulls up the main TV structure schematic representation under the state;
Fig. 4 is that the A-A of pressure suction type vacuum sucker base shown in Figure 3 is to cross-sectional view;
Fig. 5 is the thin-walled planar plastic polymer sucker structure schematic representation of pressure suction type vacuum sucker base shown in Figure 1;
Fig. 6 is the gland structure schematic representation of pressure suction type vacuum sucker base shown in Figure 1;
Fig. 7 is that gland B-B shown in Figure 6 is to cross-sectional view;
Fig. 8 is that the spiral of pressure suction type vacuum sucker base shown in Figure 1 is handled the nested structure schematic representation;
Fig. 9 is that spiral shown in Figure 8 is handled cover inner helical surface deployed configuration schematic representation.
Among the figure: gland 1, dead man place hole 11, smooth annular ring 12, holding space 13, column 14, arc surface end 15, hook 16, thin-walled planar plastic polymer sucker 2, smooth adhesive anchor ring 21, disc indent 22, assembly cavity 23, hard ring 24, screw thread dead man 3, spiral and handle cover 4, body 41, handlebar 42, helicoid 43, slope section 431, planar section 432, spacing protruding 433, dead man nut 5, gentle matter ring washer 6, closed chamber 7, smooth plate face 8.
Embodiment
Embodiment: can be clear that from Fig. 1,2,3,4, this is a pressure suction type vacuum sucker base that has hook, it by the center be provided with the thin-walled planar plastic polymer sucker 2 of screw thread dead man 3, the dead man nut 5, the center that are screwed in screw thread dead man 3 outer ends be provided with dead man place the gland 1 in hole 11 and be arranged on gland 1 and dead man nut 5 between be provided with and can impel the axially movable outward dead man operating mechanism of screw thread dead man to form.
Described thin-walled planar plastic polymer sucker 2 as shown in Figure 5; position, thin-walled planar plastic polymer sucker 2 card outer ring is provided with disc indent 22 for smooth adhesive anchor ring 21, the card center portion with smooth plate face 8; center, thin-walled planar plastic polymer sucker 2 back is provided with the assembly cavity 23 that connects for the screw thread dead man, and outer ring, thin-walled planar plastic polymer sucker 2 back is provided with hard ring 24.
Described gland 1 as shown in Figure 6 and Figure 7, gland 1 is provided with and is used for the smooth annular ring 12 that thin-walled planar plastic polymer sucker 2 smooth adhesive anchor rings 21 compress, be provided with in the smooth annular ring 11 of gland 1 for the holding space 13 after the disc indent 22 increase distortion of thin-walled planar plastic polymer sucker 2, it is arc surface end 15 that the dead man of gland 1 places the contact jaw that cooperates that hole 11 inwalls are symmetrically arranged with two root posts, 14, two columns 14 that parallel to the axis and helicoid 43.Also be provided with hook 16. on the gland 1
Described dead man operating mechanism places two columns 14 of hole 11 inwall symmetries and kink by gland 1 dead man and can place hole 11 inwall columns, 14 arc surface ends 15 with gland 1 center dead man cooperate axially movable spiral to handle cover 4 to constitute on gland 1.
Described spiral is handled cover 4 as shown in Figure 8, is made of body 41 and the handlebar 42 that is connected on body 41 outer walls, is arranged with in the body 41 and can places the helicoid 43 that hole 11 inwall columns, 14 arc surface ends 15 cooperate with gland 1 center dead man.
Described helicoid 43 is 21 ° slope section 431, is connected the downward-sloping 5 ° planar section 432 in slope section 431 tops and is connected planar section 432 spacing protruding 433 constituting of end in addition by slanted angle as shown in Figure 9.
For the appropriateness that improves 12 pairs of thin-walled planar plastic polymers of gland 1 smooth annular ring sucker, 2 smooth adhesive anchor rings 21 compresses, be provided with gentle matter ring washer 6 between the surface of contact of the smooth annular ring 12 of thin-walled planar plastic polymer sucker 2 and thin-walled planar plastic polymer sucker 2.The gentle matter ring washer of setting up 6 can make compressing of 2 dish weeks of 1 pair of thin-walled planar plastic polymer of gland sucker effectively proper more.
During use, only need the sucker face of convenient and fast positioning sucker disk seat is affixed on smooth the facing the wall and meditating, owing to adopted plane plate-like plastic polymer sucker 2, plane plate-like plastic polymer sucker 2 has the adhesive that is higher than existing taper umbrella-shaped structure sucker, in case the smooth adhesive anchor ring 21 of plastic polymer sucker 2 is contacted with smooth plate face 8 promptly can adhesive, make the disc indent 22 and 8 in the smooth plate face at thin-walled planar plastic polymer sucker 2 middle parts form a closed chamber 7 (as shown in Figure 2), press the screw thread dead man 3 outer end nuts 5 that are arranged on center, thin-walled planar plastic polymer sucker 2 back this moment with have gentle hands, screw thread dead man 3 inwardly pushes the disc indent 22 of thin-walled planar plastic polymer sucker 2 under external force, after air in the closed chamber 7 are extruded, remove external force.Rely on the elastic reset of thin-walled planar plastic polymer sucker 2 self this moment, the closed chamber 7 of 8 formation of the disc indent 22 of thin-walled planar plastic polymer sucker 2 and smooth plate face has become vacuum, and pressure suction type vacuum sucker base tentatively is pull-in on the smooth plate face 8.At this moment, stir handlebar 42 that spiral handles cover 4 with the have gentle hands pine and turned clockwise by diagram 1 position and 135 spend and illustrate 3 positions this moment, because the helicoids 43 in the spiral manipulation cover 4 place hole 11 inwall columns, 14 arc surface ends 15 with gland 1 center dead man and keep in touch, therefore, handle in cover 4 rotary courses at spiral, the column 14 arc surface ends 15 that keep in touch with helicoid 43 are moved up by the bottom of slope section 431, until slipping into planar section 432, column 14 arc surface ends 15 were hampered by spacing protruding 433 and can not turn clockwise again this moment, illustrate that spiral manipulation cover 4 has been rotated in place, because planar section 432 is downward-sloping, do the time spent in no external force, column 14 arc surface ends 15 can reverse rotation not skid off planar section 432.Because spiral is handled cover 4 and is arranged between gland 1 and the screw thread dead man 3 outer end nuts 5, spiral is handled in the engagement process of cover 4 helicoids 43 and gland 1 column 14 arc surface ends 15, respectively gland and screw thread dead man 3 outer end nuts 5 are formed bidirectional propulsion, the thrust that acts on gland 1 can be pressed smooth adhesive anchor ring 21 back sides in thin-walled planar plastic polymer sucker 2 by gentle matter ring washer 6 with its smooth annular ring 12, make the smooth adhesive anchor ring 21 of thin-walled planar plastic polymer sucker 2 tightly be fitted in smooth plate face 8, help 8 in thin-walled planar plastic polymer sucker 2 and smooth plate face and form an enclosed vacuum zone.And act on the thrust of screw thread dead man 3 outer end nuts 5, then can impel screw thread dead man 3 and 2 right shifts of thin-walled planar plastic polymer sucker, press and be fitted on the smooth plate face 8 because thin-walled planar plastic polymer sucker 2 dish has been glanded 1 week, the right dislocation of screw thread dead man 3 can only be with thin-walled planar plastic polymer sucker 2 tensile bucklings to the right (as shown in Figure 3) at disc indent 22 positions, thereby make the disc indent 22 of thin-walled planar plastic polymer sucker 2 and 8 in smooth plate face form a condition of high vacuum degree zone, pressure suction type vacuum sucker base is pull-in on the smooth plate face 8 securely.Because the smooth adhesive anchor ring 21 of thin-walled planar plastic polymer sucker 2 cooperates with the appropriateness of 8 in smooth plate face under the compressing of gland 1, it can prevent to be pull-in on plastic polymer sucker 2 distortion on the smooth plate face 8, improve the sealing of 8 in plastic polymer sucker 2 and smooth plate face, help keeping for a long time of thin-walled planar plastic polymer sucker 2 and 8 degree of vacuum of smooth plate face, and the condition of high vacuum degree that thin-walled planar plastic polymer sucker 2 and smooth plate face are 8 helps the raising of thin-walled planar plastic polymer sucker 2 and 8 the suction-combining forces of smooth plate face.
Oppositely stir spiral and handle cover 6, can remove 3 pairs of disc indents of screw thread dead man, 22 position thin-walled planar plastic polymer suckers 2 stretches to the right, reduce the degree of vacuum of 8 in thin-walled planar plastic polymer sucker 2 and smooth plate face, remove gland compressing simultaneously to thin-walled planar plastic polymer sucker 2 smooth adhesive anchor rings 21, utilize this moment and be arranged on outer ring, smooth adhesive anchor ring 21 back hard ring 24, can conveniently thin-walled planar plastic polymer sucker 2 smooth adhesive anchor rings 21 be taken off from smooth plate face 8, pressure suction type vacuum sucker base is removed from smooth plate face 8 fast, and above-mentioned measure can be guaranteed the suction-combining force and the endurance of pressure suction type vacuum sucker base on smooth flat.
Claims (9)
1. pressure suction type vacuum sucker base, comprising: plastic polymer sucker, center that the center is provided with the screw thread dead man are provided with the nut that the screw thread dead man places the sucker gland in hole and is screwed in screw thread dead man outer end, it is characterized in that:
Described plastic polymer sucker is a thin-walled planar plastic polymer sucker, and the position, card outer ring of thin-walled planar plastic polymer sucker is provided with the disc indent for adhesive face, the card center portion with the smooth plate face;
Be provided with in the described gland for the holding space after the disc indent increase distortion of square position face sucker;
Be provided with between described gland and the nut and can impel the axially movable outward dead man operating mechanism of center dead man.
2. pressure suction type vacuum sucker base according to claim 1 is characterized in that:
Be provided with gentle matter ring washer between the surface of contact of described gland and thin-walled planar plastic polymer sucker.
3. pressure suction type vacuum sucker base according to claim 1 and 2 is characterized in that:
Described dead man operating mechanism places the column that parallels to the axis on the inwall of hole and kink and can place hole inwall column with the gland center cooperate axially movable spiral to handle cover to constitute on gland by being symmetricly set on the gland center.
4. pressure suction type vacuum sucker base according to claim 3 is characterized in that:
Described spiral is handled cover and is made of body and the handlebar that is connected on the body outer wall, is arranged with in the body and can places the helicoid that hole inwall column styletable cooperates with the gland center.
5. pressure suction type vacuum sucker base according to claim 4 is characterized in that:
The contact jaw of described column and helicoid is the arc surface end.
6. pressure suction type vacuum sucker base according to claim 5 is characterized in that:
Described helicoid by the slope section, be connected the planar section on slope section top and be connected planar section in addition the spacing protruding of end constitute.
7. pressure suction type vacuum sucker base according to claim 6 is characterized in that:
Slanted angle α=18 of the slope section of described helicoid °～23 °.
8. pressure suction type vacuum sucker base according to claim 7 is characterized in that;
The described downward-sloping angle β of planar section that is connected with slope section top=5 °～8 °.
9. pressure suction type vacuum sucker base according to claim 8 is characterized in that:
The dish back of the body outer ring of described thin-walled planar plastic polymer sucker is connected with the hard ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202684101U CN201786905U (en) | 2010-07-22 | 2010-07-22 | Pressure suction type vacuum sucker base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202684101U CN201786905U (en) | 2010-07-22 | 2010-07-22 | Pressure suction type vacuum sucker base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201786905U true CN201786905U (en) | 2011-04-06 |
Family
ID=43818868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202684101U Expired - Lifetime CN201786905U (en) | 2010-07-22 | 2010-07-22 | Pressure suction type vacuum sucker base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201786905U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881297A (en) * | 2010-07-22 | 2010-11-10 | 邹德骏 | Pressure suction type vacuum sucker base |
| CN102518641A (en) * | 2011-12-26 | 2012-06-27 | 邹德骏 | Multi-purpose powerful hanger |
| CN104564995A (en) * | 2015-01-15 | 2015-04-29 | 马张娒 | Wall type pothook |
| CN104930043A (en) * | 2014-03-17 | 2015-09-23 | 科沃斯机器人科技(苏州)有限公司 | Intelligent safety sucker, self-moving adsorption system, and control method thereof |
| CN105328746A (en) * | 2015-11-10 | 2016-02-17 | 东莞市南兴家具装备制造股份有限公司 | Independently moving type vacuum sucker provided with airlock and board suction device |
-
2010
- 2010-07-22 CN CN2010202684101U patent/CN201786905U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881297A (en) * | 2010-07-22 | 2010-11-10 | 邹德骏 | Pressure suction type vacuum sucker base |
| CN101881297B (en) * | 2010-07-22 | 2012-12-19 | 邹德骏 | Pressure suction type vacuum sucker base |
| CN102518641A (en) * | 2011-12-26 | 2012-06-27 | 邹德骏 | Multi-purpose powerful hanger |
| CN104930043A (en) * | 2014-03-17 | 2015-09-23 | 科沃斯机器人科技(苏州)有限公司 | Intelligent safety sucker, self-moving adsorption system, and control method thereof |
| CN104930043B (en) * | 2014-03-17 | 2017-08-29 | 科沃斯家用机器人（苏州）有限公司 | Intelligent and safe sucker, certainly mobile adsorption system and its control method |
| CN104564995A (en) * | 2015-01-15 | 2015-04-29 | 马张娒 | Wall type pothook |
| CN104564995B (en) * | 2015-01-15 | 2016-08-24 | 马张娒 | A kind of wall type hook |
| CN105328746A (en) * | 2015-11-10 | 2016-02-17 | 东莞市南兴家具装备制造股份有限公司 | Independently moving type vacuum sucker provided with airlock and board suction device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201786905U (en) | Pressure suction type vacuum sucker base | |
| CN101881297B (en) | Pressure suction type vacuum sucker base | |
| CN201314323Y (en) | Suction cup | |
| CN211310684U (en) | Lifting device for medical equipment | |
| CN110250851A (en) | A kind of overturning-preventing cup | |
| CN208764116U (en) | A kind of novel evacuated sucker | |
| CN203667053U (en) | Pulp filling device | |
| CN110436399B (en) | Multifunctional can opener | |
| CN206968040U (en) | A kind of efficient tablet press machine | |
| CN104453686B (en) | A kind of maintenance of equipment ladder | |
| CN111109979B (en) | Vacuum cup cover capable of being deflated and convenient to open | |
| CN215152847U (en) | A inlayer silver paper tinsel remove device for cup | |
| CN204403109U (en) | A kind of wall type hook | |
| US20170129667A1 (en) | Quickly-sealing cover | |
| CN205266882U (en) | A shell egg machine for egg | |
| CN213617328U (en) | High-efficient type domestic ceramics pushes down forming device | |
| CN201745082U (en) | Porcelain plate dry-press forming device | |
| KR20150011899A (en) | Push stone structure for onggi | |
| CN204297301U (en) | A kind of burgundy bottle | |
| CN202381509U (en) | Sucker hook | |
| CN201359002Y (en) | Suction and force vacuum hook | |
| CN219447864U (en) | Storage tank | |
| CN218985833U (en) | Amino membrane production is with fixed knot constructs | |
| CN201961687U (en) | Bottle with knob | |
| CN217970670U (en) | Special-shaped cover screwing head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110406 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |