CN110182296A - A kind of bicycle middle shaft moment measuring device - Google Patents
A kind of bicycle middle shaft moment measuring device Download PDFInfo
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- CN110182296A CN110182296A CN201910576959.2A CN201910576959A CN110182296A CN 110182296 A CN110182296 A CN 110182296A CN 201910576959 A CN201910576959 A CN 201910576959A CN 110182296 A CN110182296 A CN 110182296A
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- middle shaft
- diameter section
- detection
- installation set
- measuring device
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/45—Control or actuating devices therefor
- B62M6/50—Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a kind of bicycle middle shaft moment measuring devices, including the middle shaft body being threaded through in bicycle five-pipe and the removable component for being set in middle shaft body one end；The present invention can accurately detect the data such as the torque since vehicle when moving ahead, and since removable component is set in one end of middle shaft body, in dismounting without removing the axis of bicycle, improve the convenience of dismounting；Structure of the invention is reasonable, convenient for disassembly and assembly, use value and promotional value with higher.
Description
Technical field
The present invention relates to bicycle accessories fields, and in particular to a kind of bicycle middle shaft moment measuring device.
Background technique
In order to be able to detect axis torque when Moped Scooter or bicycle move ahead, often all it is arranged on some bicycles
There is axis moment sensor.The torque signals lead-out mode of bicycle middle shaft moment sensor also there are many, such as: inductance
Formula, sliding ring type, photo-electric, also the phase-difference type of phase difference between the two, these sides are drawn and detected to useful two Hall switch
Case has the advantages that respective, but generally existing structure is complicated, volume is big, stability is poor for moment sensor in existing bicycle
The disadvantages of, meanwhile, the connection cables of existing sensor need to penetrate frame five-through and draw from vehicle-frame seat-tube, are easy to cause line
Cable damage, and entire sensor needs to remove entire axis from bicycle in installation or removal, is not easy to later period repairing
And maintenance.
Summary of the invention
For the defects in the prior art, the present invention is directed to solve in the related technology at least to some extent
One of.For this purpose, it is an object of the invention to propose a kind of bicycle middle shaft moment measuring device, it is structurally reasonable, it is more convenient peace
Assembly and disassembly.Its specific technical solution is as follows:
A kind of bicycle middle shaft moment measuring device including the middle shaft body being threaded through in bicycle five-pipe and is set in
The removable component of middle shaft body one end；The removable component includes installation set, and the installation set is equipped with and arranges and pass through along its axial direction
Wear the stepped hole at installation set both ends；The stepped hole includes enlarged diameter section, middle diameter segment and reduced diameter section；The enlarged diameter section with
Reduced diameter section extends through the both ends of installation set；The detection ring coaxially arranged with installation set is equipped in the middle diameter segment, it is described
It detects ring inner wall to be equipped with around the butting section of detection ring inner wall arrangement, described middle shaft body one end is worn from reduced diameter section into installation
After putting on, each butting section can be resisted against on the outer peripheral surface of middle shaft body；The installation set corresponds to reduced diameter section outer peripheral surface
It is equipped with connection screw thread compatible with frame five-through pipe；Shaft body rotating torque in detection is additionally provided in the enlarged diameter section
Testing agency.
In the technical program: removable component is set in one end of middle shaft body, convenient for users to installation and removal；And
Without removing entire axis from bicycle when dismounting；During installation.The installation set of removable component is covered by stepped hole in axis
One end of ontology, after middle shaft body passes through stepped hole, installation set is connected to one end of workshop Five-way tube by connection screw thread, connection
Cable is located on the outside of frame five-through, and the middle position without therefrom shaft body is drawn, and avoids the damage of the cable of connection；It is tearing open
When unloading, therefrom installation set is removed in one end of shaft body, and then without removing middle shaft body from bicycle；It is detecting
When, the detection ring in middle diameter segment can be covered in middle shaft body and be rotated with middle shaft body, to utilize testing agency
The parameters such as the torque of centering shaft body rotation are detected.
Preferred technical solution, additional technical feature are that the testing agency includes fitting in enlarged diameter section bottom wall
Detection circuit board, the detection circuit board is equipped with a pair of of hall sensing part, the detection ring with the opposite surface of detection ring
Surface is equipped with several and hall sensing part magnetite positioned opposite, and each magnet ring is arranged around middle shaft body, the detection circuit
Plate is also connected with axial strain piece and radial strain piece, and the axial strain piece is set to the outer peripheral surface of installation set, and the radial direction is answered
Become the enlarged diameter section bottom wall that installation set is arranged in piece.
Bicycle when forward, moment inspecting component can accurately detect in shaft body rotation step on frequency and torque data.
The each magnetite detected on ring is rotated by the center of circle of axis body axis, during rotation, the Hall sense in circuit detection plate
Part is answered to sense that each magnetite rotates using Hall effect, hall sensing part is by incuding each magnetite rotation and after testing electricity
The processing of road plate obtains stepping on frequency signal when bicycle moves ahead.When bicycle pedal-actuated bicycle moves ahead, installation set meeting
Stress is generated, the axial strain piece and radial strain piece being mounted in installation set can detect the strain data of installation set.
Preferred technical solution, additional technical feature are that the detection ring end face is equipped in detection ring geometry
Several mounting grooves of heart arrangement, each magnetite are inlaid in corresponding mounting groove.
In this way, each magnetite can be stably mounted in corresponding mounting groove.
Preferred technical solution, additional technical feature are, embedded with fixed lid, the fixation in the enlarged diameter section
The inner surface of lid is equipped with the fixing lug boss of fixed test circuit board, and the fixing lug boss is equipped with to be engaged with detection circuit board edge
Positioning convex column.
Occur partially in this way, fixing lid and can will test circuit board and be stably fixed on the bottom wall of enlarged diameter section to prevent from fixing covering
It moves or slides, improve the stability of detection circuit board installation.
Preferred technical solution, additional technical feature are that the fixed lid edge is equipped with several and enlarged diameter section side
The card convex of wall engaging, each card convex uniform intervals arrangement.
In this way, fixed lid can be stably fixed in enlarged diameter section by card convex, while easy to disassemble.
Preferred technical solution, additional technical feature are that the fixed lid edge is equipped with one and prolongs along fixed lid radial direction
The pigtail splice stretched, the enlarged diameter section side wall are equipped with the down-lead card for being adapted with pigtail splice and radially arranging along installation set
Slot.
External circuit is connected with detection circuit board in this way, pigtail splice facilitates, at the same without by connection cables from vehicle frame
Five logical middle extractions, avoid connection cables from damaging.
Preferred technical solution, additional technical feature are that the installation set corresponds on the outer peripheral surface of reduced diameter section
One detection slot；The second detection slot that the enlarged diameter section bottom wall is equipped with.
In this way, axial strain piece can be mounted in the first detection slot, so that axial strain piece is able to detect installation set
Axial strain situation；Second detection slot can install radial strain piece, accurately to detect the radial strain of installation set.
Preferred technical solution, additional technical feature are, fixinig plate is embedded in first detection slot.
In this way, axial strain piece can be stably fixed in the first detection slot by fixinig plate, improves and detect axial foil gauge
Detection accuracy.
Preferred technical solution, additional technical feature are, are embedded in the reduced diameter section and mutually fit with middle shaft body
The bearing answered.
In this way, bearing can reduce in shaft body rotation friction and reduce abrasion.
Preferred technical solution, additional technical feature are that the installation set outer peripheral surface is correspondingly connected with screw thread edge also
Several rotation notches are disposed with, each rotation slot choma is evenly arranged around installation set outer peripheral surface.
In this way, the more convenient rotational installation set of rotation notch, improves the convenience of dismounting
The beneficial effects of the present invention are: removable component of the invention is set in one end of middle shaft body, convenient for users to peace
Assembly and disassembly；Dismounting can be completed without removing entire axis from bicycle in dismounting；Bicycle is when forward, torque inspection
Survey component can accurately detect in shaft body rotation torque data.Structure of the invention is reasonable, convenient for disassembly and assembly, with higher to make
With value and promotional value.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the explosive view for the bicycle middle shaft moment measuring device that an embodiment provides.
Fig. 2 is the detection components explosive view for the bicycle middle shaft moment measuring device that an embodiment provides.
Fig. 3 is the scheme of installation for the bicycle middle shaft moment measuring device that an embodiment provides.
The meaning that each appended drawing reference indicates is as follows；Middle shaft body 1, installation set 2, enlarged diameter section 201, middle diameter segment 202,
Reduced diameter section 203, the first detection slot 204, connection screw thread 205, rotation notch 206, lead card slot 207, detection ring 3, mounting groove
301, butting section 302, detection circuit board 4, fixed lid 5, fixing lug boss 501, positioning convex column 502, card convex 503, terminal pin
504, bearing 6, axial strain piece 7, radial strain piece 8, fixinig plate 9.
Specific embodiment
Here, it is to be noted that, function of the present invention, method etc. are only that the conventional adaptation of the prior art is answered
With.Therefore, improvement of the present invention for the prior art, the connection relationship being substantially between hardware, rather than it is directed to function, method
Itself, although namely the present invention be related to some functions, method, and do not include the improvement proposed to function, method itself.This hair
The bright description for function, method is in order to better illustrate the present invention, to better understand the present invention.
Embodiment one
As shown in Figure 1, Figure 2 and Figure 3, in example 1, the present invention provides a kind of bicycle middle shaft moment measuring device,
Including the middle shaft body 1 being threaded through in bicycle five-pipe and the removable component for being set in middle 1 one end of shaft body；Removable component set
It is located at one end of middle shaft body 1；Whole device is in installation or removal without removing entire axis from bicycle；Specifically,
Removable component includes installation set 2, and the installation set 2 is equipped with the stepped hole for axially arranging and running through 2 both ends of installation set along it；Ladder
Hole includes enlarged diameter section 201, middle diameter segment 202 and reduced diameter section 203；The enlarged diameter section 201 passes through respectively with reduced diameter section 203
Wear the both ends of installation set 2；Corresponding 203 outer peripheral surface of reduced diameter section of the installation set 2 is equipped with company compatible with frame five-through pipe
Connect screw thread 205.2 outer peripheral surface of installation set, which is correspondingly connected with 205 edge of screw thread, there also is provided several rotation notches 206, each described to turn
Dynamic notch 206 is fitted around 2 outer peripheral surfaces of set and is evenly arranged.Embedded with the bearing matched with middle shaft body 1 in reduced diameter section 203
6。
As depicted in figs. 1 and 2, during installation, middle shaft body 1 penetrates stepped hole, reduced diameter section 203 from reduced diameter section 203
Interior bearing 6 and middle shaft body 1 are interference fitted, and the frictional force that shaft body 1 rotates in reduction, installation set 2 passes through connection screw thread 205
It is connected to one end of workshop Five-way tube, is facilitated using rotation notch 206 by the connection screw thread 205 of installation set 2 and frame five-through pipe
It matches, quickly removable component can be mounted on vehicle frame, and installation can be completed without other installation tools；It is dismantling
When, therefrom installation set 2 is removed in one end of shaft body 1, without removing middle shaft body 1 from bicycle.In the present embodiment,
Each seamed edge of rotation notch 206 can do round corner treatment, to facilitate rotational installation set 2；Bearing 6 uses rolling bearing 6, rule
Lattice are chosen according to the specification of shaft body 1 in standard component.Removable component reaches convenient by the way of being mounted on middle 1 one end of shaft body
The purpose of dismounting no longer needs to die sinking and does a variety of sizes in actual production, if device damages, it is only necessary to removable component
The therefrom wherein dismounting and change on one end of shaft body 1 of installation set 2, does not need to disassemble entire axis, is more convenient user
Dismounting or replacement.
As depicted in figs. 1 and 2, it is equipped with the detection ring 3 coaxially arranged with installation set 2 in middle diameter segment 202, detects ring 3
Inner wall is equipped with around the butting section 302 of detection 3 inner wall of ring arrangement, and middle 1 one end of shaft body is worn from reduced diameter section 203 into installation set
After on 2, each butting section can be resisted against on the outer peripheral surface of middle shaft body 1；When detecting, in middle diameter segment 202
Detection ring 3 can be covered in middle shaft body 1 and be rotated with middle shaft body 1, so as to what is rotated using testing agency's centering shaft body 1
The parameters such as frequency and torque are stepped on to be detected.
Embodiment two
As shown in Figure 1, Figure 2 and Figure 3, for the parameters such as the torque of shaft body 1 in rotation in detecting, in the present embodiment
In, the testing agency in enlarged diameter section 201 includes the detection circuit board 4 for fitting in 201 bottom wall of enlarged diameter section, detection circuit
Plate 4 and the opposite surface of detection ring 3 are equipped with a pair of of hall sensing part, and detection 3 surface of ring is equipped with several with hall sensing part phase
To the magnetite of arrangement, each magnet ring is arranged around middle shaft body 1.For bicycle when pushes pedals move ahead, detection ring 3 follows axis
Rotation rotates each magnetite detected on ring 3 with the middle 1 axis center of circle of shaft body, during rotation, in circuit detection plate
Hall sensing part sense that each magnetite rotates using Hall effect, hall sensing part is rotated and is passed through by incuding each magnetite
It obtains stepping on frequency signal when bicycle moves ahead after crossing MCU processing, in the present embodiment, magnetite number preferably 12, makes detection circuit
Plate 44 can occur frequently 24 signals again, improve the precision of detection, detection circuit board 44 can also connect LED light, axis revolving speed
Faster, LED light flashing is faster, convenient for users to observation.
As shown in Figure 1, Figure 2 and Figure 3, detection circuit board 4 is also connected with axial strain piece 7 and radial strain piece 8, the axis
It is in contact to foil gauge 7 with the outer peripheral surface of installation set 2, radial strain piece 8 is in contact with the end face of installation set 2.Treadled cycle
During pedal-actuated bicycle moves ahead, to the reaction force acts of bicycle chain in installation set 2, installation set 2 is axis
It being capable of stress generation strain；In the present embodiment, foil gauge is generated strain signal by stress, and passes through the control of detection circuit board 4
Processing circuit processes processed switch to resistance variations, and resistance variations obtain voltage change by amplifying circuit, export DA after processing again and turn
Change, obtains analog voltage signal.In the present embodiment, 1V represents no signal, and 3V represents the foot-operated force signal of 100NM.Pass through power
Calculation formula P=0.105*RPM*NM, control processor can also calculate the foot-operated power of bicyclist.
As shown in Figure 1, Figure 2 and Figure 3, in order to which magnetite to be stably mounted on detection ring 3, ring is equipped in detection 3 end face of ring
Around several mounting grooves 301 of detection 3 geometric center of ring arrangement, each magnetite is inlaid in corresponding mounting groove 301, each
Magnetite can be stably mounted in corresponding mounting groove 301.Prevent magnetite from thrown away outside detection ring 3 during rotation.
As shown in Figure 1, Figure 2 and Figure 3, embedded with fixed lid 5 in enlarged diameter section 201, the inner surface of the fixed lid 5 is equipped with
The fixing lug boss 501 of fixed test circuit board 4, the fixing lug boss 501 are equipped with the positioning engaged with 4 edge of detection circuit board
Pillar 502.501 surface of fixing lug boss can be resisted against 4 surface of detection circuit board, and detection circuit board 4 is avoided to shift.
As shown in Figure 1, Figure 2 and Figure 3, fixed 5 edge of lid is equipped with several card convexs 503 engaged with 201 side wall of enlarged diameter section,
Each 503 uniform intervals of card convex arrangement.4 edge of detection circuit board engages with positioning convex column 502, avoids detection circuit board 4
It is mobile, guarantee detection accuracy.
As shown in Figure 1, Figure 2 and Figure 3, fixed lid 5 is fixed in enlarged diameter section 201 by way of being embedded in engaging, fixed
5 outer peripheral surface of lid is equipped with several card convexs 503 engaged with 201 side wall of enlarged diameter section.Fixed lid 5 can be stablized solid by card convex 503
It is scheduled in enlarged diameter section 201, while easy to disassemble.
As shown in Figure 1, Figure 2 and Figure 3, in order to avoid connection cables damage, fixed 5 edge of lid is equipped with one along fixed 5 diameter of lid
To the pigtail splice of extension, 201 side wall of enlarged diameter section, which is equipped with, to be adapted with pigtail splice and radially arranges along installation set 2
Lead card slot 207.Settable on pigtail splice to be used for fairlead, external circuit is introduced and 4 phase of detection circuit board by fairlead
Connection.In this way, connection cables are located on the outside of frame five-through, the middle position without therefrom shaft body 1 is drawn, and avoids connection
The damage of cable；The through-hole coaxial with middle shaft body 1 is also set up on fixed lid 5, avoids the rotation of centering shaft body 1 from generating to reduce
It influences.
As shown in Figure 1, Figure 2 and Figure 3, in order to which axial strain piece 7 and radial strain piece 8 to be stably mounted in installation set 2,
To improve detection accuracy, the first detection slot 204 on the outer peripheral surface of the corresponding reduced diameter section 203 of installation set 2；The enlarged diameter section 201
The second detection slot that bottom wall is equipped with.Axial strain piece 7 can be mounted in the first detection slot 204, reached accurate detection and axially answered
The purpose of change；Second detection slot can install radial strain piece 8, improve the precision of radial strain detection.
As shown in Figure 1, Figure 2 and Figure 3, it after axial strain piece 7 is mounted on the first detection slot 204, is answered in order to avoid axial
Become piece 7 to shift, embedded with the fixinig plate 9 of fixed axial foil gauge 7 in the first detection slot 204 in the present embodiment.It is fixed
Axial strain piece 7 can be stably fixed in the first detection slot 204 by piece 9, improve the detection accuracy for detecting axial foil gauge 7.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
It so can be to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features
It is equivalently replaced；And these are modified or replaceed, various embodiments of the present invention skill that it does not separate the essence of the corresponding technical solution
The range of art scheme should all cover within the scope of the claims and the description of the invention.
Claims (10)
1. a kind of bicycle middle shaft moment measuring device, it is characterised in that: including the axis sheet being threaded through in bicycle five-pipe
Body (1) and the removable component for being set in middle shaft body (1) one end；
The removable component includes installation set (2), and the installation set (2), which is equipped with, axially arranges along it and run through installation set (2) two
The stepped hole at end；The stepped hole includes enlarged diameter section (201), middle diameter segment (202) and reduced diameter section (203)；It is described big straight
Diameter section (201) and reduced diameter section (203) extend through the both ends of installation set (2)；It is equipped with and installation in the middle diameter segment (202)
(2) coaxially arranged detection ring (3) is covered, detection ring (3) inner wall is equipped with around the butting section of detection ring (3) inner wall arrangement
(302), after described middle shaft body (1) one end is worn on installation set (2) from reduced diameter section (203), each butting section
(302) it can be resisted against on the outer peripheral surface of middle shaft body (1)；Corresponding reduced diameter section (203) outer peripheral surface of the installation set (2) is equipped with
Connection screw thread (205) compatible with frame five-through pipe；
The testing agency of shaft body (1) rotating torque in detection is additionally provided in the enlarged diameter section (201).
2. bicycle middle shaft moment measuring device according to claim 1, it is characterised in that:
The testing agency includes the detection circuit board (4) for fitting in enlarged diameter section (201) bottom wall, the detection circuit board (4)
Opposite surface is equipped with a pair of of hall sensing part with detection ring (3), and the detection ring (3) surface is equipped with several and hall sensing
Part magnetite positioned opposite, each magnet ring arrange that the detection circuit board (4) is also connected with axial answer around middle shaft body (1)
Become piece (7) and radial strain piece (8), the axial strain piece (7) is set to the outer peripheral surface of installation set (2), the radial strain piece
(8) enlarged diameter section (201) bottom wall in installation set (2) is set.
3. bicycle middle shaft moment measuring device according to claim 1, it is characterised in that:
Detection ring (3) end face is equipped with several mounting grooves (301) around detection ring (3) geometric center arrangement, each magnetite
It is inlaid in corresponding mounting groove (301).
4. bicycle middle shaft moment measuring device according to claim 1, it is characterised in that:
Embedded with fixed lid (5) in the enlarged diameter section (201), the inner surface of the fixed lid (5) is equipped with fixed test circuit
The fixing lug boss (501) of plate (4), the fixing lug boss (501) are equipped with the positioning convex column engaged with detection circuit board (4) edge
(502)。
5. bicycle middle shaft moment measuring device according to claim 3, it is characterised in that:
Fixed lid (5) edge is equipped with several card convexs (503) engaged with enlarged diameter section (201) side wall, each card convex
(503) uniform intervals are arranged.
6. bicycle middle shaft moment measuring device according to claim 3, it is characterised in that:
Fixed lid (5) edge is equipped with a pigtail splice radially extended along fixed lid (5), enlarged diameter section (201) side
Wall is equipped with the lead card slot (207) for being adapted with pigtail splice and radially arranging along installation set (2).
7. bicycle middle shaft moment measuring device according to claim 1, it is characterised in that:
First detection slot (204) on the outer peripheral surface of the installation set (2) corresponding reduced diameter section (203), first detection slot
(204) along installation set (2) axially connection enlarged diameter section (201)；The second detection slot that enlarged diameter section (201) bottom wall is equipped with.
8. bicycle middle shaft moment measuring device according to claim 7, it is characterised in that:
Fixinig plate (9) are embedded on first detection slot (204).
9. bicycle middle shaft moment measuring device according to claim 1, it is characterised in that:
Embedded with the bearing (6) matched with middle shaft body (1) in the reduced diameter section (203).
10. bicycle middle shaft moment measuring device according to claim 1, it is characterised in that:
Installation set (2) outer peripheral surface, which is correspondingly connected with screw thread (205) edge, there also is provided several rotation notches (206), Ge Gesuo
Rotation notch (206) is stated to be fitted around set (2) outer peripheral surface and be evenly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910576959.2A CN110182296B (en) | 2019-06-28 | 2019-06-28 | Bicycle center shaft torque detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910576959.2A CN110182296B (en) | 2019-06-28 | 2019-06-28 | Bicycle center shaft torque detection device |
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| CN110182296A true CN110182296A (en) | 2019-08-30 |
| CN110182296B CN110182296B (en) | 2023-03-28 |
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| CN201910576959.2A Active CN110182296B (en) | 2019-06-28 | 2019-06-28 | Bicycle center shaft torque detection device |
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