CN115405007A - A Nonlinear Hybrid Energy Dissipative Vibration Damper - Google Patents

Abstract

The invention discloses a nonlinear hybrid energy-consuming vibration-damping damper which comprises a first shell, a second shell and an energy-consuming assembly, wherein first filling liquid is filled in the first shell, the second shell is connected in the first shell in a sliding manner, particle groups are filled in the second shell, the energy-consuming assembly is connected in the first shell and comprises a first connecting rod, a first elastic piece and a fan plate, the first end of the first connecting rod is rotatably connected to the first shell, the second end of the first connecting rod is in contact with the side wall of the second shell and can slide relative to the second shell, the two ends of the first elastic piece are respectively connected to the first shell and the first connecting rod, and the fan plate is connected to the first connecting rod. According to the invention, the second shell and the first elastic piece drive the first connecting rod to swing, the first connecting rod drives the fan plate and the first filling liquid to move relatively and applies thrust to the first filling liquid, so that the consumption of mechanical energy in the nonlinear hybrid energy consumption vibration damper is accelerated, and the vibration damping effect is improved.

Description

A Nonlinear Hybrid Energy Dissipative Vibration Damper

technical field

The invention belongs to the technical field of dampers, in particular to a nonlinear hybrid energy dissipation damper.

Background technique

Damping refers to the function of hindering the relative motion of an object and converting the motion energy into heat energy or other energy that can be dissipated. The damper is an artificial object motion attenuation tool. When a solid vibrates, the energy of the solid vibration is as much as possible. The device that dissipates in the damping layer is called a damping shock absorber.

In related technologies, nonlinear hybrid energy dissipation dampers have poor vibration damping effects and cannot meet engineering requirements.

Contents of the invention

The present invention aims to solve one of the technical problems in the related art at least to a certain extent. For this reason, the embodiment of the present invention proposes a nonlinear hybrid energy dissipation damper. The nonlinear hybrid energy dissipation damper consumes the mechanical energy in the damper again through energy dissipation components, thereby improving the damper's damping performance. vibration effect.

The nonlinear hybrid energy-dissipating vibration damper according to the embodiment of the present invention includes a first housing, a second housing and an energy dissipation component, the first housing is filled with a first filling liquid, and the second housing is slidable connected to the first housing, the second housing is filled with particle groups, the energy dissipation assembly is connected to the first housing, and the energy dissipation assembly includes a first connecting rod, a first elastic member and The fan plate, the first end of the first connecting rod is rotatably connected to the inner wall of the first housing, and the second end of the first connecting rod is in contact with and opposite to the side wall of the second housing. The second housing is slidable, the first end of the first elastic member is connected to the inner wall of the first housing, the second end of the first elastic member is connected to the first connecting rod, the The first elastic member is used to keep the second end of the first connecting rod in contact with the side wall of the second housing, and the fan plate is connected to the first connecting rod.

The nonlinear hybrid energy dissipation damper of the embodiment of the present invention drives the first connecting rod to swing through the second housing and the first elastic member, and the first connecting rod drives the fan plate to move relative to the first filling liquid and gives the first The filling fluid exerts a thrust to feed back mechanical energy to the first filling fluid, and the first filling fluid performs frictional loss on the feedback mechanical energy, thus accelerating the loss of mechanical energy in the nonlinear hybrid energy consumption damping damper and improving the nonlinear hybrid energy consumption reduction. The damping efficiency of the vibration damper.

In some embodiments, the energy dissipation assembly further includes a roller, the roller is rotatably connected to the second end of the first connecting rod, and the outer wall of the roller is in contact with the side wall of the second housing And it can roll relative to the second casing.

In some embodiments, the cross-sectional shape of the fan plate is arc-shaped, there are multiple fan plates, and the plurality of fan plates are arranged at intervals along the length direction of the first connecting rod.

In some embodiments, the nonlinear hybrid energy-dissipating vibration damper further includes a plurality of baffle groups, and the plurality of baffle groups are all connected in the second housing and distributed at intervals along the vertical direction, so The baffle set includes a plurality of baffles, the baffles are arranged obliquely, and the plurality of baffles are distributed at intervals along the horizontal direction.

In some embodiments, the nonlinear hybrid energy dissipation damper further includes a reset assembly, the reset assembly includes a fixed rod, a sleeve, a second elastic member and a second connecting rod, and the fixed rod is connected to the In the first housing, the sleeve is sleeved on the fixed rod and can slide along the axis direction of the fixed rod, and the two ends of the second elastic member are respectively connected with the fixed rod and the sleeve , the first end of the second connecting rod is rotatably connected to the sleeve, and the second end of the second connecting rod is rotatably connected to the first connecting rod.

In some embodiments, there are multiple energy-consuming components, and the multiple energy-consuming components are arranged at intervals; there are multiple reset components, and the multiple reset components correspond to the multiple energy-consuming components one by one. , the second end of the second connecting rod is rotatably connected to the corresponding first connecting rod.

In some embodiments, the nonlinear hybrid energy dissipation damper further includes a third housing connected to the first housing, and the third housing is filled with second fill fluid.

In some embodiments, the nonlinear hybrid energy dissipation damper further includes a positioning assembly, the positioning assembly includes a positioning piece, a sliding piece and a third elastic piece, and the positioning piece is suitable for contacting with the side wall of the building connected, the first end of the slider is connected to the first housing and/or the third housing, the second end of the slider is connected to the positioning member and can be moved along the axial direction of the slider Sliding, one end of the third elastic member is connected to the positioning member, and the other end of the third elastic member is connected to the first housing and/or the third housing; there are multiple positioning components, A plurality of the positioning components are distributed at intervals on the first casing and/or the third casing.

In some embodiments, the first filling liquid is a viscous liquid, and the second filling liquid is water.

In some embodiments, the nonlinear hybrid energy dissipation damper further includes a base, the base is connected to the lower end of the first shell, and the base is suitable for connecting with the building floor.

Description of drawings

Fig. 1 is a schematic diagram of the internal structure of a nonlinear hybrid energy dissipation damper according to an embodiment of the present invention.

Fig. 2 is a three-dimensional schematic diagram of an energy-consuming assembly according to an embodiment of the present invention.

Fig. 3 is a partial enlarged view a in Fig. 1 of the present invention.

Fig. 4 is a partial enlarged view b in Fig. 1 of the present invention.

Fig. 5 is a schematic perspective view of a reset assembly according to an embodiment of the present invention.

Fig. 6 is a schematic diagram of the internal structure of the second casing according to the embodiment of the present invention.

Reference signs:

Building 100;

The first housing 1; the first filling liquid 11;

The second shell 2; the particle group 21; the baffle plate 22; the upper limit plate 23; the lower limit plate 24;

Energy dissipation assembly 3; first connecting rod 31; first elastic member 32; fan plate 33; roller 34; mounting block 35; first fixing block 36;

Reset assembly 4, fixed rod 41; sleeve 42; second elastic member 43; second connecting rod 44; second fixed block 45;

The third housing 5; the second filling liquid 51;

Positioning assembly 6; positioning part 61; sliding part 62; third elastic part 63;

base7.

Detailed ways

Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

The nonlinear hybrid energy dissipation vibration damper according to the embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in Figures 1-3, the nonlinear hybrid energy dissipation damper of the embodiment of the present invention includes a first housing 1, a second housing 2 and an energy dissipation assembly 3, and the first housing 1 is filled with the first A filling liquid 11, the second housing 2 is slidably connected in the first housing 1, the second housing 2 is filled with particles 21, the energy consumption component 3 is connected in the first housing 1, the energy consumption component 3 Including a first connecting rod 31, a first elastic member 32 and a fan plate 33, the first end of the first connecting rod 31 is rotatably connected to the inner wall of the first housing 1, the second end of the first connecting rod 31 is connected to the second The side walls of the housing 2 are in contact with and slidable relative to the second housing 2, the first end of the first elastic member 32 is connected to the inner wall of the first housing 1, and the second end of the first elastic member 32 is connected to the second end of the first elastic member 32. A connecting rod 31 , the first elastic member 32 is used to keep the second end of the first connecting rod 31 in contact with the side wall of the second housing 2 , and the fan plate 33 is connected to the first connecting rod 31 .

It should be noted that, when the building 100 vibrates, the second casing 2 drives the first connecting rod 31 to swing under the action of inertia, and the first connecting rod 31 drives the fan plate 33 to move relative to the first filling liquid 11, and the first connecting rod 31 moves relative to the first filling liquid 11. The connecting rod 31 generates thrust on the first filling liquid 11 to give back mechanical energy to the first filling liquid 11, so that the first filling liquid 11 sloshes, and the first filling liquid 11 is connected to the inner wall of the first housing 1 and the second housing 2 respectively. The friction of the outer wall of the first filling liquid 11 consumes the mechanical energy generated by the fan plate 33 due to internal friction; the particle group 21 moves side by side with the second housing 2 under the action of inertia, and the particle group 21 and the second housing 2 move in pairs. The inner wall of the second casing 2 generates friction and the particle group 21 generates friction to consume mechanical energy.

The nonlinear hybrid energy dissipation damper of the embodiment of the present invention drives the first connecting rod 31 to swing through the second housing 2 and the first elastic member 32, and the first connecting rod 31 drives the fan plate 33 and the first filling liquid 11 Relatively moving and applying thrust to the first filling liquid 11 to give back mechanical energy to the first filling liquid 11, the first filling liquid 11 performs frictional loss on the feedback mechanical energy to accelerate the loss of mechanical energy in the nonlinear hybrid energy dissipation damping damper , which improves the damping efficiency of the nonlinear hybrid energy dissipation damper.

As shown in Figures 1-3, optionally, the energy dissipation assembly 3 includes two first fixing blocks 36, two first connecting rods 31, two first elastic members 32 and a plurality of fan plates 33, two The first fixed block 36 is fixedly connected to the inner wall of the first housing 1 and distributed at intervals along the front and rear directions. The two first connecting rods 31 correspond to the two first fixing blocks 36 one by one, and the first connecting rods 31 are rotatably connected. On the corresponding first fixing block 36, the two first elastic members 32 correspond to the two first connecting rods 31 one by one, and one end of the first elastic member 32 is connected to the inner wall of the first housing 1, the first elastic The other end of the member 32 is connected to the corresponding first connecting rod 31, and a plurality of fan plates 33 are connected to the first connecting rod 31 and distributed at intervals along the length direction of the first connecting rod 31, and one end of the fan board 33 is connected to one of the The other end of the first connecting rod 31 and the fan plate 33 is connected to another first connecting rod 31 .

Optionally, the first elastic member 32 is a spring.

Optionally, the first filling liquid 11 and the second shell 2 occupy 80% of the internal space of the first shell 1, so that the remaining 20% of the internal space of the first shell 1 is used for the first filling liquid 11 and the second shell The body 2 moves; the particle group 21 is composed of concrete particles with a diameter less than 10mm, and the particle group 21 occupies 70% of the inner space of the second shell 2 .

As shown in FIGS. 1 and 2 , in some embodiments, the energy dissipation assembly 3 further includes a drum 34 , the drum 34 is rotatably connected to the second end of the first connecting rod 31 , and the outer wall of the drum 34 is in contact with the second housing 2 contact with the side wall of the second housing 2 and the roller 34 changes the sliding friction between the first connecting rod 31 and the second housing 2 into rolling friction, avoiding the contact between the first connecting rod 31 and the second housing 2. The frictional force between the bodies 2 is too large so that the second housing 2 cannot normally drive the first connecting rod 31 to swing.

As shown in Figures 1 and 2, optionally, the energy dissipation assembly 3 further includes a mounting block 35, one end of the mounting block 35 is connected to the second end of the first connecting rod 31, and the other end of the mounting block 35 is sleeved on the roller 34 and can rotate with the axis of the drum 34 as the center of rotation, so that the first connecting rod 31 is installed on the drum 34 conveniently.

As shown in Figures 1-3, in some embodiments, the cross-sectional shape of the fan plate 33 is arc-shaped, there are multiple fan plates 33, and the plurality of fan plates 33 are arranged at intervals along the length direction of the first connecting rod 31 to improve This improves the efficiency of the fan plate 33 in transferring mechanical energy to the first filling liquid 11.

As shown in Figures 1 and 6, in some embodiments, the nonlinear hybrid energy dissipation damper also includes an upper limit plate 23 and a lower limit plate 24, and the first housing 1 is provided with a length along the horizontal direction. Two slide slots (not shown), the two slide slots are spaced along the vertical direction, the upper limit plate 23 is connected to the top wall of the second housing 2 and placed in one of the slide slots, the lower limit plate 24 is connected to the second The bottom wall of the second housing 2 is placed in another chute, and the upper limit plate 23 and the lower limit plate 24 ensure that the second housing 2 slides in the horizontal direction to push the first connecting rod 31 to swing.

As shown in Figures 1 and 6, in some embodiments, the nonlinear hybrid energy dissipation damper further includes a plurality of baffles 22 groups, and the plurality of baffles 22 groups are all connected in the second housing 2 and along the The vertical direction is distributed at intervals, the baffle plate 22 group includes a plurality of baffle plates 22, the baffle plates 22 are arranged obliquely, and the plurality of baffle plates 22 are distributed at intervals along the horizontal direction, when the particle group 21 moves with the baffle plate 22 relative to the second housing 2 Friction further improves the energy dissipation efficiency of the nonlinear hybrid energy dissipation vibration damper.

As shown in Figure 1, Figure 3-Figure 5, in some embodiments, the nonlinear hybrid energy dissipation damper also includes a reset assembly 4, and the reset assembly 4 includes a fixed rod 41, a sleeve 42, and a second elastic member 43 And the second connecting rod 44, the fixed rod 41 is connected in the first housing 1, the sleeve 42 is sleeved on the fixed rod 41 and can slide along the axis direction of the fixed rod 41, and the two ends of the second elastic member 43 are respectively fixed with The rod 41 is connected to the sleeve 42 , the first end of the second connecting rod 44 is rotatably connected to the sleeve 42 , and the second end of the second connecting rod 44 is rotatably connected to the first connecting rod 31 . When the first connecting rod 31 swings, the first connecting rod 31 pulls the sleeve 42 through the second connecting rod 44 to move along the axial direction of the fixed rod 41, and the sleeve 42 stretches or compresses the second elastic member 43 to change the second elastic member. 43, the second elastic member 43 drives the sleeve 42 to reset under the action of its own elastic force, and the sleeve 42 pulls the first connecting rod 31 through the second connecting rod 44 to reset, further ensuring that the first connecting rod 31 is always in contact with the The second case 2 is in contact.

Optionally, the second elastic member 43 is a spring.

In some embodiments, there are multiple energy dissipation assemblies 3, and the plurality of energy dissipation assemblies 3 are arranged at intervals; there are multiple reset assemblies 4, and the plurality of reset assemblies 4 correspond to the plurality of energy dissipation assemblies 3 one by one, and the second connecting rod The second end of 44 is rotatably connected to the corresponding first connecting rod 31 . Multiple energy-consuming components 3 push multiple first filling liquids 11, so that multiple first filling liquids 11 all participate in frictional energy dissipation, improving the efficiency of the fan plate 33 in transferring mechanical energy to the first filling liquid 11 and the first filling The energy consumption efficiency of liquid 11.

As shown in FIGS. 1 and 5 , optionally, the reset assembly 4 includes a second fixing block 45 , a fixing rod 41 , two sleeves 42 , two second elastic members 43 and two second connecting rods 44 , the second fixed block 45 is connected to the inner wall of the first housing 1, the fixed rod 41 is connected to the fixed block and the two ends of the fixed rod 41 are respectively placed on both sides of the second fixed block 45, and the two sleeves 42 are sleeved on the At both ends of the fixed rod 41, the two second elastic members 43 are in one-to-one correspondence with the two sleeves 42, and the two ends of the second elastic member 43 are respectively connected with the fixed rod 41 and the corresponding sleeve 42, and the two second elastic members 43 are connected to the corresponding sleeve 42 respectively. The connecting rods 44 are in one-to-one correspondence with the two sleeves 42 respectively, and the two second connecting rods 44 are respectively in one-to-one correspondence with the two energy dissipation assemblies 3 , and one end of the second connecting rods 44 is rotatably connected to the corresponding sleeves 42 , the other end of the second link 44 is rotatably connected to the corresponding first link 31 .

As shown in Figure 1, in some embodiments, the nonlinear hybrid energy dissipation damper further includes a third housing 5, the third housing 5 is connected to the first housing 1, and the third housing 5 is filled with There is the second filling liquid 51 , and friction occurs between the second filling liquid 51 and the inner wall of the third housing 5 , which further improves the mechanical energy loss efficiency of the anti-vibration damper.

As shown in Fig. 1, in some embodiments, the nonlinear hybrid energy dissipation damper also includes a positioning assembly 6, the positioning assembly 6 includes a positioning piece 61, a sliding piece 62 and a third elastic piece 63, the positioning piece 61 is suitable for Connected to the side wall of the building 100, the first end of the sliding member 62 is connected to the first housing 1 and/or the third housing 5, and the second end of the sliding member 62 is connected to the positioning member 61 and moves along the side of the sliding member 62. The axial direction is slidable, one end of the third elastic member 63 is connected to the positioning member 61, and the other end of the third elastic member 63 is connected to the first housing 1 and/or the third housing 5; there are multiple positioning assemblies 6, many The positioning components 6 are distributed at intervals on the first housing 1 and/or the third housing 5 . The positioning member 61, the third elastic member 63 and the sliding member 62 transmit the vibration of the building 100 to the first shell 1 and the third shell 5, so that the components in the first shell 1 and the third shell 5 are aligned The mechanical energy of the building 100 is consumed.

Optionally, the third elastic member 63 is a spring, and the third elastic member 63 is sleeved on the sliding member 62 .

As shown in FIG. 1 , optionally, there are two positioning components 6 , one sliding member 62 is connected to the first housing 1 , and the other sliding member 62 is connected to the third housing 5 .

Optionally, the first filling liquid 11 is a viscous liquid, and the second filling liquid 51 is water.

In some embodiments, the nonlinear hybrid energy dissipation damper also includes a base 7, the base 7 is connected to the lower end of the first housing 1, the base 7 is suitable for connecting with the floor of the building 100, and the base 7 is used to fix the first shell1.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or Elements must have certain orientations, be constructed and operate in certain orientations, and therefore should not be construed as limitations on the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; can be mechanically connected, can also be electrically connected or can communicate with each other; can be directly connected, can also be indirectly connected through an intermediary, can be the internal communication of two components or the interaction relationship between two components, Unless expressly defined otherwise. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise clearly specified and limited, the first feature may be in direct contact with the first feature or the first and second feature may be in direct contact with the second feature through an intermediary. touch. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "beneath" and "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

As used herein, the terms "one embodiment," "some embodiments," "example," "specific examples," or "some examples" mean specific features, structures, materials, or features described in connection with the embodiment or example. A feature is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

Although the above-mentioned embodiments have been shown and described, it can be understood that the above-mentioned embodiments are exemplary, and should not be construed as limitations on the present invention. Changes, modifications, substitutions and variations made by those skilled in the art to the above-mentioned embodiments All within the protection scope of the present invention.

Claims (10)

1. A nonlinear hybrid energy dissipation damper, characterized in that it comprises: a first casing, the first casing is filled with a first filling liquid; a second housing, the second housing is slidably connected to the first housing, and the second housing is filled with particles; An energy dissipation assembly, the energy dissipation assembly is connected in the first housing, the energy dissipation assembly includes a first connecting rod, a first elastic member and a fan plate, the first end of the first connecting rod is rotatably connected On the inner wall of the first housing, the second end of the first connecting rod is in contact with the side wall of the second housing and is slidable relative to the second housing, and the first end of the first elastic member One end is connected to the inner wall of the first housing, the second end of the first elastic member is connected to the first connecting rod, and the first elastic member is used to hold the second end of the first connecting rod. The end is in contact with the side wall of the second housing, and the fan plate is connected to the first connecting rod. 2. The nonlinear hybrid energy dissipation damper according to claim 1, wherein the energy dissipation component further comprises a roller, the roller is rotatably connected to the second end of the first connecting rod, The outer wall of the roller is in contact with the side wall of the second housing and is rollable relative to the second housing. 3. The nonlinear hybrid energy-dissipating vibration damper according to claim 1, characterized in that, the cross-sectional shape of the fan plate is arc-shaped, and there are a plurality of the fan plates, and a plurality of the fan plates are arranged along the The longitudinal direction of the first connecting rod is arranged at intervals. 4. The nonlinear hybrid energy dissipation damper according to claim 1, further comprising a plurality of baffle groups, and a plurality of the baffle groups are all connected in the second housing and vertically Distributed at intervals in the vertical direction, the baffle plate group includes a plurality of baffle plates, the baffle plates are arranged obliquely, and the plurality of baffle plates are distributed at intervals along the horizontal direction. 5. The nonlinear hybrid energy dissipation damper according to claim 1, further comprising a reset assembly, the reset assembly comprising a fixed rod, a sleeve, a second elastic member and a second connecting rod, the The fixed rod is connected in the first housing, the sleeve is sleeved on the fixed rod and can slide along the axis direction of the fixed rod, and the two ends of the second elastic member are connected with the fixed rod respectively. The first end of the second connecting rod is rotatably connected to the sleeve, and the second end of the second connecting rod is rotatably connected to the first connecting rod. 6. The nonlinear hybrid energy-dissipating vibration damper according to claim 5, characterized in that there are multiple energy-dissipating components, and multiple energy-dissipating components are arranged at intervals; There are multiple reset assemblies, and the multiple reset assemblies correspond to the multiple energy dissipation assemblies one by one, and the second end of the second connecting rod is rotatably connected to the corresponding first connecting rod. 7. The nonlinear hybrid energy dissipation vibration damper according to claim 1, further comprising a third casing, the third casing is connected to the first casing, and the third casing is connected to the first casing. The casing is filled with a second filling liquid. 8. The nonlinear hybrid energy dissipation damper according to claim 7, further comprising a positioning assembly, the positioning assembly including a positioning piece, a sliding piece and a third elastic piece, the positioning piece is suitable for It is connected with the side wall of the building, the first end of the sliding member is connected to the first housing and/or the third housing, the second end of the sliding member is connected to the positioning member and moves along the The axial direction of the sliding member is slidable, one end of the third elastic member is connected to the positioning member, and the other end of the third elastic member is connected to the first housing and/or the third housing; There are multiple positioning assemblies, and the multiple positioning assemblies are distributed at intervals on the first casing and/or the third casing. 9. The nonlinear hybrid energy dissipation vibration damper according to claim 7, wherein the first filling liquid is a viscous liquid, and the second filling liquid is water. 10. The nonlinear hybrid energy dissipation damper according to claim 1, further comprising a base, the base is connected to the lower end of the first housing, and the base is suitable for connecting with the building floor connect.

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