TWI541636B - Wind-guiding apparatus - Google Patents

Description

Air guiding device

The present invention relates to an air guiding device, and more particularly to an air guiding device suitable for a fan and a radiator.

With the rapid development of the electronics industry, the power of electronic components such as a central processing unit (CPU) or a graphics processing unit (GPU) used in an electronic device is greatly increased, but these are relatively caused. The amount of heat generated by an electronic component during operation is greatly increased, often resulting in an increase in temperature inside the electronic component itself and its configured system. At the same time, with the rapid accumulation of heat, the running performance of electronic components is degraded, and it is easy to cause the system to crash.

To ensure that the electronic components can operate within their normal temperature range, a heat sink is typically placed on the electronic components to dissipate the heat generated by them. A common heat sink generally includes a base for contacting the electronic component and a plurality of heat sink fins extending from the surface of the base. The fan is disposed on the plurality of heat sink fins to generate heat that the airflow will accumulate on the heat sink fins. take away.

The use of the heat sink with the fan is mainly caused by air convection, so that the hot air accumulated inside the computer case is discharged outside the chassis through a vent hole preset on the side panel of the chassis. At the same time, in order to avoid the phenomenon of reflow of hot air in the chassis, an air hood is installed on some of the heat dissipating devices, so that the hot air generated by the electronic components can be directly guided to the chassis by the guide hood. outer.

However, the size of the end of the common air hood and the fan is fixed, so that the air hood can only be applied to a single fan, so that the user cannot replace the fan of different specifications in the chassis according to requirements; or, must When replacing fans of different specifications, the air hood is replaced at the same time, which will cause unnecessary waste. Therefore, the conventional air hood has great limitations in use and has limited help in improving heat dissipation performance.

In view of the above problems, the present invention provides an air guiding device for solving the problem that the conventional air guiding hood cannot be applied to fans of different specifications.

The air guiding device of the present invention is applicable to an electronic device, and a heat sink and a fan are disposed in the electronic device. The air guiding device comprises: a frame body, a set of interfaces is defined on the frame body, the fan is coupled to the frame body via the socket, and the frame body adjusts the size of the socket according to the specification of the fan; and a pipe body includes one The coupling section is connected to the elastic section, and the coupling section is connected to the heat sink. The elastic section has a first end and a second end. The first end is connected to the frame body, and the second end is connected to the joint section. The position of the device is telescopic or bent, and the diameter of the first end of the elastic segment is retracted or expanded according to the size of the socket of the frame.

In the air guiding device of the present invention, the frame body further includes: at least one clamp comprising two clamping jaws, each of the clamping jaws forming a male clamping tooth; and at least one positioning member sleeved around the periphery of the fan and positioned The piece includes a female pin and the female pin corresponds to the male pin; wherein each of the jaws is displaced relative to the positioning member, and when the male pin of each of the jaws grips the female pin of the positioning member, the sleeve of the frame is The size is relatively inward or outward.

The air guiding device of the present invention may further include a plurality of abutting members, and the plurality of pivoting shafts are respectively disposed on the respective abutting members and the clamps, wherein each of the abutting members forms a groove, and the groove forms a groove The perforation, the through hole penetrates the groove and the surface of the abutting member, and the positioning member is disposed through the through hole. When each of the clamping jaws is located in the groove, the male pinch clamps the female pinion, and the abutting members abut against the fan.

In the air guiding device of the present invention, each of the abutting members may further include a sliding rail, and the sliding rail is formed in the through hole, and the positioning member is slidably disposed on the sliding rail.

In the air guiding device of the present invention, the number of the clamps and the number of the positioning members may each be one, the shape of the positioning member is U-shaped, and the clamp and the positioning member are alternately arranged in a rectangle, and the frame is adjusted according to the specifications of the fan. The size of the socket, the length of the socket is relatively elongated or shortened.

In the air guiding device of the present invention, the number of the clamps and the positioning members can be two, each of the positioning members has an L shape, and each of the clamps and the respective positioning members are alternately arranged in a rectangle, and the frame is in accordance with the specifications of the fan. Corresponding to the size of the adjustment socket, the size of the socket is proportionally enlarged or reduced.

In the air guiding device of the present invention, the number of the clamps and the positioning members can be four, respectively. Each of the positioning members has a shape of a shape, and the clamps and the positioning members are arranged in a rectangular shape. When the frame body is adjusted according to the size of the fan, the length of the socket and/or the width are relative. Elongate or shorten.

In the air guiding device of the present invention, the tubular body may be a bellows tube. Preferably, the elastic section of the tube body is made of leather, cloth or elastic plastic.

The invention further provides an air guiding device, which is suitable for an electronic device. The electronic device is provided with a heat sink and a fan. The air guiding device includes: a first frame body, a first socket is defined on the first frame body, the fan is coupled to the first frame body via the socket, and the first frame body is adjusted according to the fan specifications. The size of the interface; a second frame, the second frame defines a second socket, the heat sink is coupled to the second frame via the second socket, and the second frame is adjusted according to the specifications of the heat sink. The second set of interfaces has a size; and a tube body includes an elastic section, the elastic section has a first end and a second end, the first end is connected to the first frame, and the second end is connected to the second frame The elastic section is stretched or bent according to the position of the fan relative to the heat sink, and the diameter of the first end of the elastic section is retracted or expanded according to the size of the first socket of the first frame, and the second section of the elastic section The diameter of the end is retracted or expanded according to the size of the second set of interfaces of the second frame.

In the air guiding device of the present invention, the first frame body and the second frame body further comprise: at least one clamp, comprising two clamping jaws, each of the clamping jaws forming a male clamping tooth; and at least one positioning component, the ring sleeve At the periphery of the fan and the heat sink, and the positioning member includes a female pinch, and the female pin corresponds to the male pinch, wherein each of the jaws is displaced relative to the positioning member, and the male pin of each pin clamps the positioning member When the teeth are pinched, the first socket of the first frame and the second socket of the second frame are relatively retracted or expanded.

The air guiding device of the present invention may further include a plurality of abutting members, and the plurality of pivoting shafts are respectively disposed on the respective abutting members and the clamps, wherein each of the abutting members forms a groove, and the groove is formed therein. a perforation, perforation through the surface of the groove and the abutting member, the positioning member is disposed through the through hole, and when the respective clamping jaw is located in the groove, the male clamping tooth holds the female clamping tooth, and the abutting members abut against the fan and dissipate heat Device.

In the air guiding device of the present invention, each of the abutting members may further include a sliding rail, and the sliding rail is formed in the through hole, and the positioning member is slidably disposed on the sliding rail.

In the air guiding device of the present invention, the number of the clamps and the number of the positioning members may each be The shape of the positioning member is U-shaped, and the clamp and the positioning member are alternately arranged in a rectangular shape. When the first frame body is adjusted according to the specification of the fan and the second frame body is adjusted according to the specifications of the heat sink, the first socket interface and the second frame are adjusted according to the specifications of the heat sink. The size of the socket, the length of the first set of interfaces and the second set of interfaces are relatively elongated or shortened.

In the air guiding device of the present invention, the number of the clamp and the positioning member are two, each of the positioning members has an L shape, and each of the clamps and the respective positioning members are alternately arranged in a rectangular shape, and when the first frame is in accordance with a fan The specification and the second frame adjust the size of the first set of interfaces and the second set of interfaces according to the specifications of the heat sink, and the size of the first set of interfaces and the second set of interfaces are proportionally enlarged or reduced.

In the air guiding device of the present invention, the number of the clamps and the positioning members can be four, and each of the positioning members has a shape of a shape, and the clamps and the positioning members are arranged in a rectangle, when the first frame is Adjusting the size of the first set of interfaces and the second set of interfaces according to the specifications of the fan and the second frame according to the specifications of the heat sink, the length and/or the width of the first set of interfaces and the second set of interfaces are relatively elongated or shortened.

In the air guiding device of the present invention, the tubular body may be a bellows tube. Preferably, the elastic section of the tube body is made of leather, cloth or elastic plastic.

The effect of the invention is that by adjusting the size of the frame, it can be matched with fans or radiators of different specifications without having to design or purchase other sizes of air hoods.

The features, implementations, and utilities of the present invention are described in detail below with reference to the drawings.

200‧‧‧ tube body

210‧‧‧Combined section

220‧‧‧Flexible section

221‧‧‧ first end

222‧‧‧ second end

300‧‧‧ frame

301‧‧‧ interface

310‧‧‧Clamp

311‧‧‧claw

312‧‧ ‧ male teeth

320‧‧‧ Positioning parts

321‧‧‧ mother teeth

330‧‧‧Abutment

331‧‧‧ pivot

332‧‧‧ Groove

333‧‧‧Perforation

334‧‧‧rails

700‧‧‧Electronic devices

800‧‧‧heatsink

900‧‧‧fan

Fig. 1 is a schematic view showing the air guiding device of the first embodiment of the present invention installed in an electronic device.

2a and 2b are schematic views showing the compression and elongation of the air guiding device according to the first embodiment of the present invention.

3a to 3e are schematic views showing various members of the frame of the air guiding device according to the second embodiment of the present invention.

Fig. 4 is a perspective view showing the casing of the air guiding device of the third embodiment of the present invention.

Fig. 5 is a perspective view showing the casing of the air guiding device according to the fourth embodiment of the present invention.

Please refer to FIG. 1 for a schematic view of the air guiding device according to the first embodiment of the present invention installed in the electronic device; and the air guiding device of the first embodiment of the present invention shown in FIGS. 2a and 2b. A schematic diagram of compression and elongation. In order to avoid the complexity of the drawing, the tube body in Fig. 1 is not shown.

The air guiding device of the present invention can be applied to an electronic device 700. The electronic device 700 is provided with a heat sink 800 and a fan 900. The air guiding device of the first embodiment includes a frame 300 and a tube 200. The frame 300 defines a set of interfaces 301. The fan 900 can be coupled to the frame 300 via the socket 301, and the frame 300 is driven by the fan. The specification of 900 corresponds to the size of the adjustment socket 301.

In addition, the tubular body 200 includes a joint portion 210 and an elastic portion 220. The joint portion 210 is coupled to the heat sink 800. The elastic portion 220 has a first end 221 and a second end 222. The first end 221 is connected to the frame. 300, the second end 222 is connected to the bonding section 210. When the elastic section 220 is stretched or bent according to the position of the fan 900 relative to the heat sink 800, the diameter of the first end 221 of the elastic section 220 may be retracted or expanded according to the size of the socket 301 of the frame 300. Preferably, the tubular body 200 can be a structure of a bellows tube, so that the tubular body can be telescopic or bent, and the material of the tubular body 200 can be a skin material such as leather, cloth or elastic plastic.

Please refer to the schematic diagram of various components of the frame of the air guiding device of the second embodiment of the present invention shown in Figs. 3a to 3e. In this embodiment, the air guiding device of the second embodiment may include at least one jig 310 and at least one positioning member 320 in addition to the tube body. The jig 310 includes two jaws 311, and a common pinch 312 is formed on the jaws 311.

In addition, the positioning member 320 is sleeved around the periphery of the fan, and the positioning member 320 includes a female clamping tooth 321 , and the female clamping tooth 321 corresponds to the male clamping tooth 312 , wherein the clamping jaw 311 is displaced relative to the positioning member 320 , when the clamping jaw 311 is When the pin 312 grips the female pin 321 of the positioning member 320, the size of the socket 301 of the frame 300 is relatively retracted or expanded.

Preferably, the air guiding device further includes a plurality of abutting members 330, and the plurality of pivoting members 331 are respectively disposed on the respective abutting members 330 and the jig 310. A recess 332 is formed in each of the abutting members 330. A through hole 332 is formed in the recess 332. A through hole 333 is formed in the recess 332. The through hole 333 passes through the surface of the recess 332 and the abutting member 330, and the positioning member The 320 is disposed through the through hole 333. When each of the clamping jaws 311 is located in the recess 332, the male clamping teeth 312 clamp the female clamping teeth 321 and the abutting member 330 abuts against the fan. Preferably, the abutting member 330 can include a sliding rail 334, and the sliding rail 334 is formed in the recess 332, and the positioning member 320 can be slidably disposed on the sliding rail 334.

In detail, in the embodiment, the number of the clamp 310 and the positioning member 320 are respectively For the description of the four cases, the shape of the positioning member 320 is a flat shape, and the clamp 310 and the positioning member 320 are alternately arranged in a rectangular shape. The user can first use the abutting member 330 to abut against the periphery of the fan. It is convenient for the user to determine the size of the fan, and then the positioning member 320 is inserted through the through hole 333 of the abutting member 330, and the female pin 321 of the positioning member 320 faces the outside of the recess 332. Therefore, the positioning member 320 can be relatively displaced relative to the abutting member 330, so that the size of the frame 300 can conform to the specifications of the fan.

When the size of the suitable frame 300 is adjusted, the jaw 311 of the clamp 310 can be clamped in the groove 332. At this time, in the groove 332, the male pin 312 and the positioning member 320 on the jaw 311 are disposed. The female pinions 321 correspond to each other, so that the frame 300 can be looped around the periphery of the fan, and the effect of fixing the wind guiding device of the present invention to the periphery of the fan in an adjustable manner is produced.

In addition, in the present embodiment, the user can change the length and/or width of the socket 301 by simultaneously adjusting the two clamps 310. Further, when it is desired to adjust the length of the socket 301, only two adjacent clamps 310 in the longitudinal direction need to be adjusted, wherein when the male teeth 312 of the adjacent two clamps 300 are not clamped on the positioning member When the female pin 321 of 320 is used, the positioning member 320 can adjust the displacement in the longitudinal direction with respect to the jig, and then after the positioning member 320 is adjusted, the male pin 312 is clamped on the female pin 321 to reach the position. Adjust the effect of the length of the socket 301. Similarly, if the width of the socket 301 is to be adjusted, the two adjacent clamps 310 in the width direction are adjusted. In addition, when it is desired to adjust the length and width of the socket 301, each of the clamps 310 can be adjusted, thereby achieving the effect of relatively lengthening or shortening of the length and width of the socket 301.

Please refer to the perspective view of the frame of the air guiding device according to the third embodiment of the present invention shown in FIG. 4. In the present embodiment, the air guiding device of the third embodiment has a structure slightly different from that of the second embodiment except that the pipe body is included. Specifically, the frame 300 includes two clamps 310 and two positioning members 320. The positioning member 320 has an L shape, and two clamps 310 are respectively disposed at two ends of the two positioning members 320, and the clamp 310 Interlaced with the positioning member 320 to form a rectangle. Preferably, the embodiment may also include a plurality of abutments 330, the structure and effect of which are similar to the second embodiment, and therefore will not be described again.

It is specifically mentioned that in the third embodiment, the size of the socket can only be enlarged or reduced in equal proportions. Specifically, when the frame 300 adjusts the size of the socket according to the specification of the fan, the two clamps 310 need to be adjusted at the same time, and one of the clamps 310 corresponds to When one of the positioning members 320 is oppositely adjusted, the other clamp 310 must also adjust the same position corresponding to the other positioning member 320, so that the clamp 310 and the positioning member 320 can be alternately arranged, otherwise a rectangular shape may not be formed. . Therefore, in the present embodiment, the size of the socket is relatively proportionally enlarged or reduced.

Please refer to the perspective view of the frame of the air guiding device according to the fourth embodiment of the present invention shown in FIG. 5. In the present embodiment, the air guiding device of the fourth embodiment has a structure slightly different from that of the third embodiment except that the pipe body is included. Specifically, the frame 300 includes a clamp 310 and a positioning member 320, and the positioning member 320 has a U shape, and the clamp 310 and the positioning member 320 are alternately arranged in a rectangular shape. Preferably, the embodiment may also include a plurality of abutments 330, the structure and effect of which are similar to the second embodiment, and therefore will not be described again.

It is specifically mentioned that in the fourth embodiment only the length of the socket can be relatively elongated or shortened. Specifically, the jig 310 of the fourth embodiment has a slightly inverted U shape, and the jaws 311 on both sides of the jig 310 can correspond to the U-shaped structure of the positioning member 320, so that the frame 300 forms a rectangular shape. Wherein, when the positioning member 320 is displaced relative to the clamp 310, only the longitudinal direction of the frame 300 can be changed, so that the length of the socket can only be relatively extended or shortened.

In addition, in the foregoing first to fourth embodiments, the joint section 210 may have the same material or structure as the elastic section 220, and the frame 300 may be coupled to the joint section 210, and the heat sink 800 is coupled via the socket 301. On the frame 300. In addition, the tubular body 200 can be entirely of the material of the elastic section 220. Therefore, when the size of the socket 301 is adjusted according to the specifications of the heat sink, the tubular body 200 is not excessively large due to the size of the socket 301. And broken.

In short, the air guiding device of the present invention can be provided with a frame 300 on both sides of the pipe body 200, so that the two frame bodies 300 can adjust the size of the frame 300 according to different sizes of heat sinks and fans, respectively. There is no need to redesign or purchase different sizes of air guiding devices.

In addition, in the air guiding device of the present invention, in addition to the frame 300 disposed on one or both sides of the tubular body 200, one or more supporting frames may be disposed in the elastic section 220 of the tubular body 200, The structural form of the support frame may be similar to the structural form of the frame 300, that is, the structural form of the support frame retains the positioning member 320 and the abutting member 330, and a stop structure is respectively disposed at opposite ends of the positioning member 320, and A corresponding protrusion is disposed on the abutting member 330 for abutting against the stop structure of the positioning member 320 when the abutting member 330 is slidable relative to the positioning member 320 to avoid the positioning member 330. Get rid of. Based on the above structure, through the abutment The arrangement of the sleeve 330 can be freely slidable on the positioning member 330, so that the opening size of the center of the support frame can be reduced and enlarged, so that the tube body 200 can change the diameter of the tube by changing the size of the opening of the support frame.

For example, the structural form of the elastic section 220 of the tubular body 200 may be composed of a plurality of the above-mentioned supporting frames and skins, but not limited thereto, wherein a plurality of supporting frames are arranged at intervals, and the skin is a package. Covering the outer surface of a plurality of support frames. In other words, the elastic section 220 of the tubular body 200 can be divided into a plurality of sections, and the elastic section 220 is located between the coupling section 210 and the support frame, between the two support frames, and between the support frame and the frame 300. Elastic deformation due to actual use requirements. Thereby, the pipe body 200 has the advantages of both retractable length and the size of the pipe diameter.

The air guiding device of the present invention is not limited to the type disclosed in the embodiment. Those skilled in the art can change the air guiding device of the present invention according to actual design requirements or usage requirements.

The above-mentioned air guiding device of the present invention mainly utilizes an adjustable frame body, and can be applied to radiators or fans of different specifications without redesigning or purchasing air guiding devices of different specifications, and can repeatedly reuse the guiding device. Wind installation.

Although the embodiments of the present invention are disclosed above, it is not intended to limit the present invention, and those skilled in the art, regardless of the spirit and scope of the present invention, the shapes, structures, and features described in the scope of the present application. And the number of modifications may be made, and the scope of patent protection of the present invention shall be determined by the scope of the patent application attached to the specification.

300‧‧‧ frame

301‧‧‧ interface

310‧‧‧Clamp

320‧‧‧ Positioning parts

330‧‧‧Abutment

Claims (16)

An air guiding device is applied to an electronic device. The electronic device is provided with a heat sink and a fan. The air guiding device comprises: a frame body, and a frame is defined on the frame body, and the fan is coupled through the socket The frame body is adapted to adjust the size of the socket according to the specification of the fan, and the frame body comprises: at least one clamp, including two clamping jaws, each of which forms a male clamping tooth And at least one positioning member is sleeved around the periphery of the fan, and the positioning member includes a female clamping tooth, and the female clamping teeth correspond to the male clamping teeth, wherein each of the clamping jaws is displaced relative to the positioning member, when each When the male pin of the jaw grips the female pin of the positioning member, the size of the socket of the frame is relatively retracted or expanded; and a pipe body includes a joint segment and an elastic segment The elastic section has a first end and a second end, the first end is connected to the frame, and the second end is connected to the joint, wherein the elastic section is The fan is stretched or bent relative to the position of the heat sink And the diameter of the first end of the elastic segment based on the compression or the extended size of the socket of the housing. The air guiding device of claim 1, further comprising a plurality of abutting members, wherein the plurality of pivoting members are respectively disposed on each of the abutting members and the jig, wherein each of the abutting members forms a groove a through hole is formed in the groove, the through hole penetrating the groove and the surface of the abutting member, the positioning member is disposed in the through hole, and when each of the clamping jaws is located in the groove, the male pinch clamps the The female jaws, and the abutments abut the fan. The air guiding device of claim 1, wherein each of the abutting members further comprises a sliding rail, and the sliding rail is formed in the through hole, and the positioning member is slidably disposed on the sliding rail. The air guiding device of claim 1, wherein the number of the clamps and the number of the positioning members are one, the shape of the positioning member is U-shaped, and the clamp and the positioning member are alternately arranged in a rectangle. The frame adjusts the size of the socket according to the specification of the fan, and the length of the socket is relatively elongated or shortened. The air guiding device of claim 1, wherein the number of the clamping device and the positioning member are two, each of the positioning members has an L shape, and each of the clamping members and each of the positioning members are alternately arranged. Forming a rectangle, when the frame adjusts the size of the socket according to the specification of the fan, the size of the socket is proportionally enlarged or reduced. The air guiding device of claim 1, wherein the number of the clamping member and the positioning member are four, each of the positioning members has a shape of a shape, and the clamps and the positioning members are arranged in a rectangular shape. When the frame body adjusts the size of the socket according to the specification of the fan, the length and/or the width of the socket is relatively elongated or shortened. The air guiding device of claim 1, wherein the tube body is a bellows tube. The air guiding device of claim 7, wherein the elastic portion of the tubular body is made of leather, cloth or elastic plastic. An air guiding device is applicable to an electronic device. The electronic device is configured with a heat sink and a fan. The air guiding device includes: a first frame body, and the first frame body defines a first socket. The fan is coupled to the first frame through the socket, and the first frame adjusts the size of the first socket according to the specification of the fan. The second frame defines a second frame. a second set of interfaces, the heat sink is coupled to the second frame via the second socket, and the second frame adjusts the size of the second socket according to the size of the heat sink, the first frame The body and the second frame further comprise: at least one clamp comprising two jaws, each of the jaws forming a male pinch; and at least one positioning member sleeved around the fan and the periphery of the heat sink And the positioning member includes a female clamping tooth, and the female clamping tooth corresponds to the male clamping tooth, wherein each of the clamping jaws is displaced relative to the positioning component, and the male clamping teeth of each clamping jaw clamp the positioning component The first socket of the first frame when the female is pinched The second socket of the second frame is relatively retracted or expanded; and a tube body includes an elastic segment having a first end and a second end, the first end is connected In the first frame, the second end is connected to the second frame, wherein the elastic segment is stretched or bent according to the position of the fan relative to the heat sink, and the diameter of the first end of the elastic segment is determined according to The size of the first socket of the first frame is retracted or expanded, and the diameter of the second end of the elastic segment is determined according to the second The size of the second set of interfaces of the frame is retracted or expanded. The air guiding device of claim 9, further comprising a plurality of abutting members, wherein the plurality of pivoting members are respectively disposed on the abutting members and the jig, wherein each of the abutting members forms a concave portion a groove is formed in the groove, the through hole penetrating the groove and the surface of the abutting member, the positioning member is disposed through the through hole, and when the jaw is located in the groove, the male pinion is clamped The female pinion, and the abutting members abut the fan and the heat sink. The air guiding device of claim 9, wherein each of the abutting members further comprises a sliding rail, and the sliding rail is formed in the through hole, and the positioning member is slidably disposed on the sliding rail. The air guiding device of claim 9, wherein the number of the clamps and the number of the positioning members are one, the shape of the positioning member is U-shaped, and the clamp and the positioning member are alternately arranged in a rectangle. Adjusting the size of the first socket and the second socket according to the specifications of the fan and the second frame according to the specifications of the heat sink, the first socket and the second socket The length is relatively elongated or shortened. The air guiding device of claim 9, wherein the number of the clamping device and the positioning member are two, each of the positioning members has an L shape, and each of the clamping members and each of the positioning members are alternately arranged in a rectangular shape. Adjusting the size of the first set of interfaces and the second set of interfaces according to the specifications of the fan and the second frame according to the specifications of the heat sink, the first set of interfaces and the second frame The size of the socket is scaled up or down relative to the scale. The air guiding device of claim 9, wherein the number of the clamping member and the positioning member are four, each of the positioning members has a shape of a shape, and the clamps and the positioning members are arranged in a rectangular shape. Adjusting the size of the first set of interfaces and the second set of interfaces according to the specifications of the fan and the second frame according to the specifications of the heat sink, the first set of interfaces and the second frame The length and/or width of the socket is relatively elongated or shortened. The air guiding device of claim 9, wherein the tube body is a bellows tube. The air guiding device of claim 15, wherein the elastic portion of the tubular body is made of leather, cloth or elastic plastic.