CN104070487A - Tyre spanner - Google Patents
Tyre spanner Download PDFInfo
- Publication number
- CN104070487A CN104070487A CN201410308009.9A CN201410308009A CN104070487A CN 104070487 A CN104070487 A CN 104070487A CN 201410308009 A CN201410308009 A CN 201410308009A CN 104070487 A CN104070487 A CN 104070487A
- Authority
- CN
- China
- Prior art keywords
- top cap
- handle
- groove
- little groove
- hole
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/16—Handles
Abstract
The invention discloses a tyre spanner. According to the tyre spanner, a front-section handle is rotationally connected with a sleeve component and an extension handle by a first rotary pin shaft and a second rotary pin shaft respectively; a first small groove, a second small groove, a third small groove, a fourth small groove, a first top cap cavity and a second top cap cavity are formed in a left-side panel and a right-side panel respectively, and the formed left pin shaft hole and right pin shaft hole are coaxial holes; a left-side slide hole and a right-side slide hole with the same hole central line are formed in the parallel positions of the hole central line matched with the second rotary pin shaft; the spring ring portion of a location tensioning torsional spring is arranged in the groove section cavity of a U-shaped opening below the second rotary pin shaft, and a first slide top cap and a second slide top cap sleeve at each spring leg respectively; the excircle of the second slide top cap and the left-side slide hole form an axial movement rail, and the excircle of the first slide top cap and the right-side slide hole form another axial movement rail. According to the tyre spanner disclosed by the invention, the use safety and reliability of a spanner tool are improved.
Description
Technical field
The present invention relates to lifting gear parts, is a kind of for safeguarding the folding tyre wrench of vehicle specifically.
Background technology
At the maintenance maintenance such as all kinds of automobiles, use in lifting gear, horizontal hydraulic jack, hoisting jack, screw jack and scissor-like jack for workshop have been there is in large quantities, universal due to family-sized car, is widely used because of its lightweight He More excellent safety in utilization, reliability with the supporting scissor-like jack of car.The power that such scissor-like jack rises with screw thread pair transmission, have good making and at height and position arbitrarily, realized the feature of mechanical caging by jacking vehicle, the required kinetic moment of rotation scissor-like jack screw rod needs with the tyre wrench that has operating grip concurrently as power arm and imposes on suitable twisting resistance to realize.This operating grip as power arm is general with it with the tyre wrench of mounting or dismounting wheel of vehicle, thereby, tyre wrench with regard to the application's case is got on very well, and such tyre wrench will have good serviceability just must have the arm of force pattern of enough structural strengths, size reasonable.Common existing tyre wrench power arm is single-unit in the majority take in very inconvenient, be designed to once in a while can pull extension handle also because the fit clearance between the joint arm of force of front and back is controlled and badly instrument is in use rock situation, directly affect operating effect.
Summary of the invention
In view of above-mentioned, be common to that scissor-like jack reverses the power arm of screw thread pair and the tyre wrench of mounting or dismounting wheel tyre locknut is in esse takes in inconvenience, coordinate and rock the poor shortcoming of result of use of bringing, engineers thinks that through earnest analytical study this tyre wrench should be designed to the structure of being extended handle and being added on mechanical transposition locking by prosthomere handle hinge for well, it is active that rotation between each sub-assembly of tyre wrench forming connects palpus folding, location is correct, locking is reliable, the tolerance band of the action required power that extension handle and prosthomere handle are separated is 30～65 newton, and the tolerance band that extension handle is incorporated into action required power in prosthomere handle is in 50～90 newton, the moment of torsion that the tire handle that the operation of take launches completely applies 150Nm is specified test torque Gn, 1.5 times of Gn of take are long duration test moment of torsion, to pass through the test of the long duration test moment of torsion of 260 times, the prescribed torque that the specified test torque of 2.5 times of take is strength test, after the strength test that once continues 30 seconds, tyre wrench is without permanent deformation and do not produce the mutual interference between the normal structural member using of various impacts.Yet old money tyre wrench is before difficult to reach above-mentioned relevant U.S.'s product standard or technical specification.
Above-mentioned purpose of the present invention is achieved in that a kind of tyre wrench, comprises sleeve part and handle component, it is characterized in that: handle component is implemented to rotate connection with extending handle with the second rotating pin in one end of prosthomere handle section; The other end at prosthomere handle is implemented to connect with the rotation of sleeve part with the first rotating pin; Using the big groove end face of prosthomere handle as sleeve part the spacing buting iron around the first rotating pin expanded angle; In the large end section of the inner groovy of prosthomere handle, be provided with big groove and connect little groove through groove changeover portion; The open-end segment place of little groove is provided with Left-Hand Panel and right panel; The little groove end face of little groove is provided with and extends the spacing lug of rotatable handle; In Left-Hand Panel and right panel, be provided with respectively circular-arc the first little groove, the second little groove, the 3rd little groove, the 4th little groove of indent evagination, and be provided with that the first top cap is stayed cave and the second top cap is stayed cave, and the first little groove is identical with the 3rd little groove pattern, position is symmetrical, the second little groove is identical with the 4th little groove pattern, and position is symmetrical, and it is identical with the first top cap pattern in cave that the second top cap is stayed cave, position is symmetrical, and the left pin shaft hole of setting and right pin shaft hole are coaxial aperture; The cross section, extension of extending handle is circular, the groove section left and right sides that is " U " shape opening at it is through with the second rotating pin mating holes, and is putting and be provided with left side slip hole and the right side slip hole with same centerline hole with the parallel position of described the second rotating pin mating holes center line; The small end section of extending handle is provided with the sled tire flange that is " V " font, and fragment position is provided with utensil locating hole therein, and with the through hole of the little bottom portion of groove of prosthomere handle symmetrical the coincidence as coaxial aperture of axial line with respect to the second rotating pin; The spring coil of locating tensioning torsion spring is partly placed in the groove segment type chamber of " U " shape opening of the second rotating pin below, and each spring pin place of locating tensioning torsion spring is overlapped respectively the first slippage top cap and the second slippage top cap; The cylindrical of the second slippage top cap and left side slip hole form and move axially pair, and the cylindrical of the first slippage top cap and right side slip hole form another and move axially pair.
Wherein, at each spring pin cylindrical shell of column of described locating tensioning torsion spring, implement axis hole matched in clearance with the endoporus of the first slippage top cap and the endoporus of the second slippage top cap respectively;
Wherein, when sleeve part is contained, sleeve part is just in the default die cavity in big groove;
Wherein, when extending handle and being contained, the first slippage top cap head, the second slippage top cap head that locating tensioning torsion spring passes through respectively right side slip hole and left side slip hole are positioned respectively and latch in the 3rd little groove die cavity and the first little groove die cavity under the effect of torsion spring tension force; The large portion of extending handle body is threaded in the default die cavity of little groove of handle component;
Wherein, when extension handle is fully stretched, under the tension force effect of locating tensioning torsion spring, described the first slippage top cap is crossed the 4th little groove and is slipped into the first top cap locking in cave, and meanwhile, described the second slippage top cap is crossed the second little groove and slipped into the second top cap locking in cave;
Wherein, when described extension handle is stretch-like, plane and spacing lug adjacency within the groove section of " U " shape opening;
Wherein, in the two sides of described prosthomere handle, be provided with the little interior hexagonal die cavity of perforation.
The beneficial effect that the present invention compared with prior art has is: with the tyre wrench of related rotation duplicate invoice knot sleeve part and extension handle, built-in locating tensioning torsion spring coordinates each structural element, change that imprecision between traditional design structural member, relevant factor, loosening, abnormal sound, location are unreliable, the defect of mechanical strength, poor rigidity, greatly improved safety in utilization and the reliability of Wrench.
Accompanying drawing explanation
The accompanying drawing explanation of embodiment:
Figure 1 shows that the schematic perspective view of the embodiment of the present invention;
Fig. 2 is that schematic perspective view I is amplified in the part on Fig. 1;
Fig. 3 is that the present embodiment vertically launches sleeve part and stretches the stereoscopic-state schematic diagram while extending handle;
Fig. 4 is the local amplification stereogram II of the present embodiment on Fig. 3;
Figure 5 shows that the schematic perspective view of the applied locating tensioning torsion spring of the present embodiment;
Figure 6 shows that " F " of the present embodiment on Fig. 2 is to view;
Fig. 7 is " A-A " cutaway view of the amplification on Fig. 6;
Figure 8 shows that " K " of the present embodiment on Fig. 3 is to view;
Figure 9 shows that " B-B " cutaway view that the present embodiment amplifies on Fig. 8.
Figure 10 shows that the extension rotatable handle of the present embodiment extends to the schematic diagram of intermediateness;
Figure 11 is " C-C " cutaway view that the present embodiment amplifies on Figure 10, shows that the first slippage top cap intrudes the 4th little groove, and the second slippage top cap intrudes the situation of the second little groove;
Figure 12 is the top view of relative schematic perspective view Fig. 1;
Figure 13 is the stereoscopic-state figure of the tyre wrench of the present embodiment while being applied to rise scissor-like jack;
Figure 14 is the stereoscopic-state figure of the tyre wrench of the present embodiment while being applied to install and remove wheel threaded fastener;
Figure 15 is the present embodiment schematic perspective view when receiving state completely;
Figure 16 shows that the present embodiment fully rotates and stretches the termination locations schematic diagram that extends handle on Figure 10 basis;
Figure 17 is the top view of Figure 16, shows that the first slippage top cap and the second slippage top cap enter that the first top cap is separately stayed cave and the second top cap is stayed cave completely;
Figure 18 is the part drawing that the present embodiment handle component saves handle before;
Figure 19 is that the present embodiment amplifies " G " to partial sectional view on Figure 18;
Figure 20 is that the present embodiment amplifies " R " to partial sectional view on Figure 18;
Figure 21 is the projection view that extends handle;
Figure 22 is the symmetrical cutaway view corresponding to Figure 21;
Figure 23 is " D-D " cutaway view on Figure 21.
Parts shown in each label of accompanying drawing and relevant geometry key element title are as follows:
1 handle component, 2 sleeve parts, 3 first rotating pins, 4 extend handle, 5 second rotating pins, 6 locating tensioning torsion springs, 7 prosthomere handles, 8 second slippage top caps, 9 big groove end faces, 10 big grooves, 11 groove changeover portions, 12 little grooves, 13 open-end segment, 14 Left-Hand Panels, 15 right panels, 16 little groove end faces, 17 spacing lugs, 18 first little grooves, 19 second little grooves, 20 the 3rd little grooves, 21 the 4th little grooves, 22 first top caps are stayed cave, 23 second top caps are stayed cave, 24 left pin shaft holes, 25 right pin shaft holes, 26 cross section, extensions, 27 second rotating pin mating holes, 28 left side slip holes, 29 right side slip holes, 30 sled tire flanges, 31 utensil locating holes, 32 through holes, 33 spring coil parts, the groove section of 34 " U " shape opening, 35 first slippage top caps, 36 little interior hexagonal die cavities, 37 scissor-like jacks, 38 wheels.
The specific embodiment
Accompanying drawing below in conjunction with embodiment is further described the technology of the present invention, by the understanding that contributes to the public to this case technology contents and effect, but the description of embodiment is not formed to the restriction to the technical program, any according to this case design, done only for pro forma equivalent transformation, all should be considered as the category of this case technical scheme.
From each accompanying drawing, between sleeve part, extension handle and tyre wrench prosthomere handle, form related rotation duplicate invoice knot, built-in locating tensioning torsion spring coordinates each structural element, design new ideas structural member, make between dependency structure key element relatively tighter, location is reliable, the safety in utilization of mechanical strength, rigidity and Wrench and reliability is guaranteed, again, in the two sides of described prosthomere handle 7, be equipped with the little interior hexagonal die cavity 36 of perforation, can be for the mounting or dismounting to corresponding outer-hexagonal bolt.
The handle component 1 of the present embodiment is implemented to rotate connection with extending handle 4 with the second rotating pin 5 in one end of prosthomere handle 7 section; The other end at prosthomere handle 7 is implemented to connect with the rotation of sleeve part 2 with the first rotating pin 3; Using the big groove end face 9 of prosthomere handle 7 as sleeve part 2 the spacing buting iron around the first rotating pin 3 expanded angles; In the large end section of the inner groovy of prosthomere handle 7, be provided with big groove 10 and connect little groove 12 through groove changeover portion 11; Open-end segment 13 places of little groove 12 are provided with Left-Hand Panel 14 and right panel 15; The little groove end face 16 of little groove 12 is provided with and extends spacing lug 17 for rotatable handle; In Left-Hand Panel 14 and right panel 15, be provided with respectively little groove the 20, the 4th little groove 21 of the little groove the 19, the 3rd of circular-arc the first little groove 18, second of indent evagination, and be provided with that the first top cap is stayed cave 22 and the second top cap is stayed cave 23, and the first little groove 18 is identical with the 3rd little groove 20 patterns, position is symmetrical, the second little groove 19 is identical with the 4th little groove 21 patterns, position is symmetrical, it is identical in cave 22 patterns with the first top cap that the second top cap is stayed cave 23, position is symmetrical, and the left pin shaft hole 24 of setting and right pin shaft hole 25 are coaxial aperture; The cross section, extension 26 of extending handle 4 is circular, groove section 34 left and right sides that are " U " shape opening at it are through with the second rotating pin mating holes 27, and are putting and be provided with left side slip hole 28 and the right side slip hole 29 with same centerline hole with the parallel position of described the second rotating pin mating holes 27 center lines; The small end section of extending handle 4 is provided with the sled tire flange 30 that is " V " font, and fragment position is provided with utensil locating hole 31 therein, and with the through hole 32 of little groove 12 bottoms of prosthomere handle 7 symmetrical the coincidence as coaxial aperture of axial line with respect to the second rotating pin 5; The spring coil part 33 of locating tensioning torsion spring 6 is placed in groove section 34 die cavities of " U " shape opening of the second rotating pin 5 belows, and each spring pin place of locating tensioning torsion spring 6 is overlapped respectively the first slippage top cap 35 and the second slippage top cap 8; The cylindrical of the second slippage top cap 8 and left side slip hole 28 form and move axially pair, and the cylindrical of the first slippage top cap 35 and right side slip hole 29 form another and move axially pair; Each spring pin cylindrical shell of column at described locating tensioning torsion spring 6 is implemented axis hole matched in clearance with the endoporus of the first slippage top cap 35 and the endoporus of the second slippage top cap 8 respectively; When sleeve part 2 is contained, in the lucky default die cavity in big groove 10 of sleeve part 2; When extending handle 4 and being contained, the first slippage top cap 35 heads, the second slippage top cap 8 heads that locating tensioning torsion spring 6 passes through respectively right side slip hole 29 and left side slip hole 28 are positioned respectively and latch in the 3rd little groove 20 die cavities and the first little groove 18 die cavities under the effect of torsion spring tension force; The large portion of extending handle 4 bodies is threaded in the default die cavity of little groove 12 of handle component 1; When extension handle 4 is fully stretched, under the tension force effect of locating tensioning torsion spring 6, described the first slippage top cap 35 is crossed the 4th little groove 21 and is slipped into 22 lockings in cave of the first top cap, meanwhile, described the second slippage top cap 8 is crossed the second little groove 19 and is slipped into 23 lockings in cave of the second top cap; When described extension handle 4 is stretch-like, plane and spacing lug 17 adjacency within the groove section 34 of " U " shape opening;
The embodiment of the present invention is to use like this: operator can forefinger or thumb put forth effort on sled tire flange 30 places of extending handle and outwards pull extension handle, extend handle 4 and just around the second rotating pin 5, press the orientation rotation that Figure 10 and Figure 11, Figure 16, Figure 17 illustrate, make the first slippage top cap 35 intrude the 4th little groove 21, the second slippage top cap 8 intrudes the second little groove 19, and the first top cap then entering is separately stayed cave in cave and the second top cap; Further sleeve part 2 is pulled out to inner rotary around the first rotating pin 3, form the plumbness of axial line and the handle component 1 of this sleeve part 2, and then can practice operation by Figure 13 or Figure 14.
Claims (7)
1. a tyre wrench, comprises sleeve part and handle component, it is characterized in that: handle component (1) is implemented to rotate connection with extending handle (4) with the second rotating pin (5) in one end section of prosthomere handle (7), the rotation of implementing same sleeve part (2) with the first rotating pin (3) at the other end of prosthomere handle (7) connects, using the big groove end face (9) of prosthomere handle (7) as sleeve part (2) the spacing buting iron around the first rotating pin (3) expanded angle, in the large end section of the inner groovy of prosthomere handle (7), be provided with big groove (10) and connect little groove (12) through groove changeover portion (11), the open-end segment (13) of little groove (12) locates to be provided with Left-Hand Panel (14) and right panel (15), the little groove end face (16) of little groove (12) is provided with and extends spacing lug (17) for rotatable handle, in Left-Hand Panel (14) and right panel (15), be provided with respectively the circular-arc first little groove (18) of indent evagination, the second little groove (19), the 3rd little groove (20), the 4th little groove (21), and be provided with the first top cap and stay cave (22) and the second top cap in cave (23), and the first little groove (18) is identical with the 3rd little groove (20) pattern, position is symmetrical, the second little groove (19) is identical with the 4th little groove (21) pattern, position is symmetrical, it is identical in cave (22) pattern with the first top cap that the second top cap is stayed cave (23), position is symmetrical, the left pin shaft hole (24) and the right pin shaft hole (25) that arrange are coaxial aperture, the cross section, extension (26) of extending handle (4) is circular, groove section (34) left and right sides that is " U " shape opening at it is through with the second rotating pin mating holes (27), and is putting and be provided with left side slip hole (28) and the right side slip hole (29) with same centerline hole with the parallel position of described the second rotating pin mating holes (27) center line, the small end section of extending handle (4) is provided with the sled tire flange (30) that is " V " font, and fragment position is provided with utensil locating hole (31) therein, and with the through hole (32) of little groove (12) bottom of prosthomere handle (7) the symmetrical coincidence as coaxial aperture of axial line with respect to the second rotating pin (5), the spring coil part (33) of locating tensioning torsion spring (6) is placed in groove section (34) die cavity of " U " shape opening of the second rotating pin (5) below, and each spring pin place of locating tensioning torsion spring (6) is overlapped respectively the first slippage top cap (35) and the second slippage top cap (8), the cylindrical of the second slippage top cap (8) and left side slip hole (28) form and move axially pair, and the cylindrical of the first slippage top cap (35) and right side slip hole (29) form another and move axially pair.
2. a kind of tyre wrench according to claim 1, is characterized in that: each spring pin cylindrical shell of column at described locating tensioning torsion spring (6) is implemented axis hole matched in clearance with the endoporus of the first slippage top cap (35) and the endoporus of the second slippage top cap (8) respectively.
3. a kind of tyre wrench according to claim 1, is characterized in that: when sleeve part (2) is contained,
Sleeve part (2) is just in the default die cavity in big groove (10).
4. a kind of tyre wrench according to claim 1, it is characterized in that: when extending handle (4) and being contained, the first slippage top cap (35) head, the second slippage top cap (8) head that locating tensioning torsion spring (6) passes through respectively right side slip hole (29) and left side slip hole (28) are positioned respectively and latch in the 3rd little groove (20) die cavity and the first little groove (18) die cavity under the effect of torsion spring tension force; The large portion of extending handle (4) body is threaded in the default die cavity of little groove (12) of handle component (1).
5. a kind of tyre wrench according to claim 1, it is characterized in that: when extension handle (4) is fully stretched, under the tension force effect of locating tensioning torsion spring (6), described the first slippage top cap (35) is crossed the 4th little groove (21) and is slipped into the first top cap in cave (22) locking, meanwhile, described the second slippage top cap (8) is crossed the second little groove (19) and is slipped into the second top cap in cave (23) locking.
6. a kind of tyre wrench according to claim 1, is characterized in that: when described extension handle (4) is stretch-like, and plane and spacing lug (17) adjacency within the groove section (34) of " U " shape opening.
7. a kind of tyre wrench according to claim 1, is characterized in that: the little interior hexagonal die cavity (36) that is provided with perforation in the two sides of described prosthomere handle (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308009.9A CN104070487B (en) | 2014-06-30 | 2014-06-30 | A kind of tyre wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308009.9A CN104070487B (en) | 2014-06-30 | 2014-06-30 | A kind of tyre wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104070487A true CN104070487A (en) | 2014-10-01 |
| CN104070487B CN104070487B (en) | 2016-01-27 |
Family
ID=51592306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410308009.9A Active CN104070487B (en) | 2014-06-30 | 2014-06-30 | A kind of tyre wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104070487B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171652A (en) * | 2015-10-28 | 2015-12-23 | 南通市通润汽车零部件有限公司 | Multipurpose tool operation rod |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1496524A (en) * | 1975-06-16 | 1977-12-30 | British Leyland Uk Ltd | Wrench |
| US5201257A (en) * | 1992-01-13 | 1993-04-13 | Universal Tool & Stamping Co., Inc. | Folding lug wrench |
| US20110036210A1 (en) * | 2009-08-12 | 2011-02-17 | Young-Doo Kwon | Wrench tool |
| CN202137741U (en) * | 2011-05-20 | 2012-02-08 | 常熟通润汽车千斤顶有限公司 | Tyre wrench combined with foldable socket and crowbar |
| CN202192572U (en) * | 2011-06-09 | 2012-04-18 | 常熟通润汽车千斤顶有限公司 | Wheel wrench with replaceable hexagon socket joint |
-
2014
- 2014-06-30 CN CN201410308009.9A patent/CN104070487B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1496524A (en) * | 1975-06-16 | 1977-12-30 | British Leyland Uk Ltd | Wrench |
| US5201257A (en) * | 1992-01-13 | 1993-04-13 | Universal Tool & Stamping Co., Inc. | Folding lug wrench |
| US20110036210A1 (en) * | 2009-08-12 | 2011-02-17 | Young-Doo Kwon | Wrench tool |
| CN202137741U (en) * | 2011-05-20 | 2012-02-08 | 常熟通润汽车千斤顶有限公司 | Tyre wrench combined with foldable socket and crowbar |
| CN202192572U (en) * | 2011-06-09 | 2012-04-18 | 常熟通润汽车千斤顶有限公司 | Wheel wrench with replaceable hexagon socket joint |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171652A (en) * | 2015-10-28 | 2015-12-23 | 南通市通润汽车零部件有限公司 | Multipurpose tool operation rod |
| CN105171652B (en) * | 2015-10-28 | 2017-01-25 | 南通市通润汽车零部件有限公司 | Multipurpose tool operation rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104070487B (en) | 2016-01-27 |
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