Infrared thermal imaging equipment

By introducing lifting components and protective components into infrared thermal imaging equipment, the infrared detector and display screen are protected, the problem of easy damage of traditional equipment is solved, and the service life of the equipment is extended.

CN120628307AInactive Publication Date: 2025-09-12TIANJI INFRARED INTELLIGENT TECHNOLOGY (GUANGZHOU) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202510969866.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-15
Publication Date
2025-09-12
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The infrared detectors of traditional infrared thermal imaging equipment are directly exposed to the external environment, which shortens the service life of the equipment.

Method used

An infrared thermal imaging device is designed, which includes a support base, an equipment box, a support column, a lifting assembly and a protective assembly. Through the coordinated action of the lifting assembly and the protective assembly, the infrared detector can be retracted into the protective box when not in use, and the display screen is shielded by the protective plate when not in use to prevent damage to the equipment.

Benefits of technology

This effectively protects the infrared detector and display screen when not in use, extending the service life of the equipment and avoiding damage caused by external environmental influences.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120628307A_ABST
    Figure CN120628307A_ABST
Patent Text Reader

Abstract

The invention relates to the technical field of infrared thermal imaging equipment, and discloses infrared thermal imaging equipment which comprises a supporting seat, an equipment box is mounted at the top of the supporting seat, a supporting column is fixedly assembled at the top of the equipment box, a supporting table is mounted on the outer wall of the supporting column, and a lifting assembly is arranged at the top of the supporting table. According to the infrared thermal imaging equipment, a protection box is arranged on the top of a supporting table, a driving screw rod is arranged in an inner cavity of the protection box, and a first moving seat and a second moving seat can be driven under the action of a driving motor, so that a supporting plate and an auxiliary plate are jacked up; the lifting plate can move upwards along the inner cavity of the protection box, so that the infrared detector rises upwards from the inner cavity of the protection box, the infrared detector can be wholly retracted into the protection box when not in use, and the infrared detector is protected under the action of the protection box.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to the technical field of infrared thermal imaging equipment, in particular to an infrared thermal imaging equipment. Background Art

[0002] Infrared thermal imaging equipment is a device that uses infrared thermal imaging technology to convert the invisible infrared energy emitted by objects into visible thermal images. In the field of health examinations, infrared thermal imaging equipment can assist in disease screening and diagnosis by detecting the distribution and changes of body surface temperature based on the heat differences generated by the metabolic activities of human tissues, thereby accurately locating the patient's lesions.

[0003] When using traditional infrared thermal imaging equipment, the thermal imaging equipment is often installed on a movable frame and the user's limbs are scanned by an infrared detector. However, the infrared detector of traditional equipment is directly exposed and installed on the top of the frame, so that the infrared detector is directly exposed to the outside whether the equipment is in working or non-working state. Under the influence of the external environment, the infrared detector will be damaged, thereby affecting the service life of the equipment. Summary of the Invention

[0004] The present invention provides an infrared thermal imaging device, which solves the problems raised by the above background technology.

[0005] The present invention provides the following technical solution: an infrared thermal imaging device, comprising a support base, an equipment box installed on the top of the support base, a support column fixedly installed on the top of the equipment box, a support platform installed on the outer wall of the support column, a lifting assembly provided on the top of the support platform, a protective assembly provided on the outer wall of the support column, and support wheels fixedly installed on the bottom of the support base.

[0006] As a preferred technical solution of the present invention: the lifting assembly includes a protective box, the inner cavity of the protective box is fixedly equipped with a driving motor, the power output shaft of the driving motor is rotatably connected to a rotating plate, a top cover is installed on the top of the protective box, the inner cavity of the protective box is rotatably connected to a driving screw, the outer wall of the driving screw is threadedly connected to a No. 1 moving seat, and the outer wall of the driving screw is threadedly connected to a No. 2 moving seat.

[0007] As a preferred technical solution of the present invention: the outer wall of the protective box is fixedly equipped with a driving motor, the outer wall of the No. 2 movable seat is rotatably connected to a support plate, the outer wall of the No. 1 movable seat is rotatably connected to an auxiliary plate, the inner cavity of the protective box is installed with a lifting plate, and the top of the lifting plate is fixedly equipped with an infrared detector.

[0008] As a preferred technical solution of the present invention: the outer wall of the rotating plate away from the driving motor is rotatably connected to the outer wall of the top cover, there are two top covers, and the two top covers are respectively installed on both sides of the top of the protective box.

[0009] As a preferred technical solution of the present invention: external threads are installed at both ends of the outer wall of the driving screw, and the directions of the external threads at both ends of the driving screw are opposite, the power output shaft of the driving motor is connected to the outer wall of the driving screw, the outer wall of the support plate away from the end of the No. 2 moving seat is rotatably connected to the bottom of the lifting plate, and the outer wall of the auxiliary plate away from the end of the No. 1 moving seat is rotatably connected to the bottom of the lifting plate.

[0010] As a preferred technical solution of the present invention: the protective component includes a display screen, the outer wall of the display screen is rotatably connected to a protective plate, the top of the equipment box is installed with a No. 1 support roller, the outer wall of the equipment box is installed with a No. 2 support roller, the outer wall of the No. 1 support roller is rollingly connected to a traction belt, the outer wall of the support column is fixedly equipped with a No. 3 support roller, and a traction hole is opened on the top of the support platform.

[0011] As a preferred technical solution of the present invention: the shape of the inner wall of the traction hole matches the shape of the outer wall of the traction belt, and the shape of the outer wall of the protective plate matches the shape of the outer wall of the display screen.

[0012] As a preferred technical solution of the present invention: the traction belt passes through the outer wall of the support platform and the protective box and is connected to the bottom of the lifting plate, and the traction belt is made of nylon fiber, and the No. 1 support roller, No. 2 support roller and No. 3 support roller are all made of natural rubber.

[0013] As a preferred technical solution of the present invention: the bottoms of the No. 1 moving seat and the No. 2 moving seat are in contact with the bottom of the inner cavity of the protective box, and the inner wall threads of the No. 1 moving seat and the No. 2 moving seat match the outer wall threads at both ends of the driving screw, and the outer wall shape of the lifting plate matches the inner wall shape of the protective box.

[0014] As a preferred technical solution of the present invention: the driving motor is a low-speed high-torque motor, the outer wall shape of the top cover is half the shape of the outer wall of the protection box, and the protection box and the top cover are both made of ABS plastic.

[0015] The present invention has the following beneficial effects: 1. The infrared thermal imaging device, through a protective box arranged on the top of the support platform and a driving screw arranged in the inner cavity of the protective box, can drive the No. 1 movable seat and the No. 2 movable seat under the action of a driving motor, thereby lifting the support plate and the auxiliary plate, so that the lifting plate can move upward along the inner cavity of the protective box, so that the infrared detector rises upward from the inner cavity of the protective box, so that the infrared detector can be completely retracted into the protective box when not in use, thereby protecting the infrared detector under the action of the protective box.

[0016] 2. The infrared thermal imaging device is equipped with a traction belt at the bottom of the lifting plate. When the lifting plate moves upward, the traction belt can be driven, so that the traction belt can be pulled and rolled along the No. 1 support roller, the No. 2 support roller and the No. 3 support roller, thereby traction of the protective plate, so that the protective plate rotates on the outer wall of the display screen, removing the obstruction to the display screen, so that the display screen can display the image, and when the display screen is not in use, it can be shielded by the protective plate, thereby playing a shielding and protective role. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 This is a schematic diagram of the support structure of the present invention; Figure 3 This is a schematic diagram of the structure of the protection box of the present invention; Figure 4 This is a schematic diagram of the cross-sectional structure of the protection box of the present invention; Figure 5 This is a schematic diagram of the lifting plate structure of the present invention; Figure 6 This is a schematic diagram of the support column structure of the present invention; Figure 7 This is a schematic diagram of the support platform structure of the present invention; Figure 8 It is a schematic diagram of the traction belt structure of the present invention.

[0018] In the figure: 1. Support base; 2. Equipment box; 3. Support platform; 4. Lifting assembly; 5. Protective assembly; 6. Support column; 7. Support wheel; 401, protective box; 402, drive motor; 403, rotating plate; 404, top cover; 405, drive screw; 406, No. 1 moving base; 407, No. 2 moving base; 408, drive motor; 409, support plate; 4010, auxiliary plate; 4011, lifting plate; 4012, infrared detector; 501. Display screen; 502. Protective plate; 503. Support roller No. 1; 504. Support roller No. 2; 505. Traction belt; 506. Support roller No. 3; 507. Traction hole. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1 - Figure 8 An infrared thermal imaging device includes a support base 1, an equipment box 2 is installed on the top of the support base 1, a support column 6 is fixedly installed on the top of the equipment box 2, a support platform 3 is installed on the outer wall of the support column 6, a lifting component 4 is provided on the top of the support platform 3, a protective component 5 is provided on the outer wall of the support column 6, and a support wheel 7 is fixedly installed on the bottom of the support base 1; In the above structure, by providing the support wheel 7 at the bottom of the support base 1, when the device is used to perform infrared scanning on the patient's body, the use position of the device can be flexibly adjusted under the action of the support base 1 and the support wheel 7, so that the device can better scan the user's body and obtain more accurate examination results.

[0021] In a preferred embodiment, the lifting assembly 4 includes a protective box 401, the inner cavity of the protective box 401 is fixedly equipped with a driving motor 402, the power output shaft of the driving motor 402 is rotatably connected to a rotating plate 403, a top cover 404 is installed on the top of the protective box 401, the inner cavity of the protective box 401 is rotatably connected to a driving screw 405, the outer wall of the driving screw 405 is threadedly connected to a first moving seat 406, and the outer wall of the driving screw 405 is threadedly connected to a second moving seat 407; In the above structure, by installing a driving screw 405 in the inner cavity of the protective box 401 and a driving motor 408 arranged on the outer wall of the protective box 401, the driving screw 405 can be driven in the inner cavity of the protective box 401 by the driving motor 408, and the No. 1 moving seat 406 and the No. 2 moving seat 407 can be driven by the rotation of the driving screw 405, so that the No. 1 moving seat 406 and the No. 2 moving seat 407 can play a driving and supporting role for the support plate 409 and the auxiliary plate 4010, thereby realizing the support drive of the lifting plate 4011, so that the lifting plate 4011 rises from the inner cavity of the protective box 401, so that the infrared detector 4012 can scan the patient's limbs.

[0022] In a preferred embodiment, a drive motor 408 is fixedly mounted on the outer wall of the protective box 401, a support plate 409 is rotatably connected to the outer wall of the second movable seat 407, an auxiliary plate 4010 is rotatably connected to the outer wall of the first movable seat 406, and a lifting plate 4011 is installed in the inner cavity of the protective box 401, and an infrared detector 4012 is fixedly mounted on the top of the lifting plate 4011; In the above structure, by installing the infrared detector 4012 on the top of the lifting plate 4011, when the infrared detector 4012 needs to be used to scan the patient's limbs, the lifting plate 4011 can be lifted from the inner cavity of the protective box 401, thereby lifting the infrared detector 4012, so that the infrared detector 4012 can scan at the top of the protective box 401. After the scanning is completed, the height of the lifting plate 4011 can be lowered, so that the infrared detector 4012 is retracted into the inner cavity of the protective box 401, and the infrared detector 4012 is protected under the action of the protective box 401.

[0023] In a preferred embodiment, the outer wall of the rotating plate 403 away from the driving motor 402 is rotatably connected to the outer wall of the top cover 404. There are two top covers 404, and the two top covers 404 are respectively installed on both sides of the top of the protective box 401. In the above structure, by means of a driving motor 402 arranged on the outer wall of the protective box 401 and a top cover 404 arranged on the top of the protective box 401, the rotating plate 403 can be rotated under the drive of the driving motor 402, thereby driving the top cover 404 under the action of the rotating plate 403, so that the top covers 404 on both sides are expanded outward and moved away from the top of the protective box 401. At this time, the top of the protective box 401 is open, and the lifting plate 4011 can be lifted up from the inner cavity of the protective box 401, and the patient's limbs can be scanned under the action of the infrared detector 4012.

[0024] In a preferred embodiment, both ends of the outer wall of the driving screw 405 are provided with external threads, and the directions of the external threads at both ends of the driving screw 405 are opposite, the power output shaft of the driving motor 408 is connected to the outer wall of the driving screw 405, the outer wall of the support plate 409 away from the second moving seat 407 is rotatably connected to the bottom of the lifting plate 4011, and the outer wall of the auxiliary plate 4010 away from the first moving seat 406 is rotatably connected to the bottom of the lifting plate 4011; In the above structure, by providing external threads at both ends of the outer wall of the driving screw 405, the driving of the No. 2 movable seat 407 and the No. 1 movable seat 406 can be realized respectively under the action of the rotation of the driving screw 405, so that the No. 2 movable seat 407 and the No. 1 movable seat 406 can be moved toward the middle section of the driving screw 405 and the two ends of the driving screw 405 at the same time, so as to realize the lifting support of the lifting plate 4011, so that the infrared detector 4012 can better irradiate the patient's limbs, and when the lifting plate 4011 is retracted into the inner cavity of the protective box 401, the infrared detector 4012 on the top of the lifting plate 4011 can be protected under the action of the protective box 401.

[0025] In a preferred embodiment, the protective assembly 5 includes a display screen 501, the outer wall of the display screen 501 is rotatably connected to a protective plate 502, a first support roller 503 is installed on the top of the equipment box 2, a second support roller 504 is installed on the outer wall of the equipment box 2, a traction belt 505 is rotatably connected to the outer wall of the first support roller 503, a third support roller 506 is fixedly installed on the outer wall of the support column 6, and a traction hole 507 is opened on the top of the support platform 3; In the above structure, through the No. 1 support roller 503 set on the top of the equipment box 2 and the No. 2 support roller 504 set on the outer wall of the equipment box 2, as the lifting plate 4011 moves upward, the traction belt 505 will be pulled upward, so that the traction belt 505 rolls on the outer walls of the No. 1 support roller 503, the No. 2 support roller 504 and the No. 3 support roller 506, thereby driving the protective plate 502, so that the protective plate 502 is unfolded from the outer wall of the display screen 501, the infrared detector 4012 is raised, and the protective plate 502 is opened, so that the patient's limbs are scanned under the action of the infrared detector 4012. After the scan is completed, the scanned image can be displayed on the display screen 501.

[0026] In a preferred embodiment: the inner wall shape of the traction hole 507 matches the outer wall shape of the traction belt 505, and the outer wall shape of the protective plate 502 matches the outer wall shape of the display screen 501; In the above structure, by connecting the two ends of the outer wall of the traction belt 505 with the bottom of the lifting plate 4011 and the outer wall of the protective plate 502, the lifting plate 4011 can pull the traction belt 505 when it moves upward. As the traction belt 505 is pulled upward, the protective plate 502 is rotated and opened from the outer wall of the display screen 501. At this time, the infrared image collected by the infrared detector 4012 can be observed on the outer wall of the display screen 501, so as to timely judge the patient's limb lesions.

[0027] In a preferred embodiment, the traction belt 505 passes through the outer wall of the support platform 3 and the protective box 401 and is connected to the bottom of the lifting plate 4011. The traction belt 505 is made of nylon fiber, and the first support roller 503, the second support roller 504 and the third support roller 506 are all made of natural rubber. In the above structure, by setting the traction belt 505 at the bottom of the lifting plate 4011, as the lifting plate 4011 moves upward, the traction belt 505 can be pulled, thereby realizing the rotation and expansion of the protective plate 502, so that the lifting of the lifting plate 4011 and the expansion of the protective plate 502 are synchronized, so that the infrared image collected by the infrared detector 4012 can be fed back to the display screen 501 in a timely manner.

[0028] In a preferred embodiment, the bottoms of the No. 1 moving seat 406 and the No. 2 moving seat 407 are in contact with the bottom of the inner cavity of the protective box 401, and the inner wall threads of the No. 1 moving seat 406 and the No. 2 moving seat 407 match the outer wall threads at both ends of the drive screw 405, and the outer wall shape of the lifting plate 4011 matches the inner wall shape of the protective box 401; In the above structure, by making the bottom of the No. 1 moving seat 406 and the No. 2 moving seat 407 contact with the bottom of the inner cavity of the protective box 401, under the drive of the driving screw 405, the No. 1 moving seat 406 and the No. 2 moving seat 407 can be moved along the inner wall of the protective box 401, thereby realizing the driving of the support plate 409 and the auxiliary plate 4010, and then realizing the support of the lifting plate 4011, so that the lifting plate 4011 moves upward and extends from the inner cavity of the protective box 401. At this time, the patient's limbs can be scanned under the action of the infrared detector 4012.

[0029] In a preferred embodiment: the driving motor 402 is a low-speed high-torque motor, the outer wall shape of the top cover 404 is half the outer wall shape of the protection box 401, and the protection box 401 and the top cover 404 are both made of ABS plastic; In the above structure, by setting the top cover 404 on the top of the protective box 401, when the equipment is not in use, the lifting plate 401 is in the inner cavity of the protective box 401, and the top cover 404 is installed on the top of the protective box 401. Under the action of the top covers 404 on both sides, the top of the protective box 401 can be completely blocked, thereby achieving the sealing of the inner cavity of the protective box 401, so that the infrared detector 4012 can be fully protected to avoid damage to the infrared detector 4012.

[0030] Working principle: When the above device is used to scan the patient's limbs, the driving motor 402 is started, and the driving motor 402 drives the rotating plate 403 to rotate, so that the rotating plate 403 drives the top cover 404 to move during the rotation, so that the top cover 404 moves from the top of the protective box 401 to both sides, thereby exposing the top of the protective box 401, and then the driving motor 408 is started, and the driving motor 408 drives the driving plate 403 to rotate. The rotation of the movable screw 405 can realize the driving of the No. 1 movable seat 406 and the No. 2 movable seat 407 as the driving screw 405 rotates, so that the No. 1 movable seat 406 and the No. 2 movable seat 407 move along the outer wall of the driving screw 405 respectively. As the No. 1 movable seat 406 and the No. 2 movable seat 407 move toward the middle section of the driving screw 405, the driving support of the support plate 409 and the auxiliary plate 4010 can be realized, thereby realizing the jacking of the lifting plate 4011, so that the lifting plate 4011 is lifted from the protective box 4011. 01's inner cavity moves upward, allowing the infrared detector 4012 to move to the top of the protective box 401. At this time, the patient's limbs can be scanned under the action of the infrared detector 4012, and in the process of the lifting plate 4011 moving upward, the traction belt 505 can be pulled to move, so that the traction belt 505 rolls along the outer walls of the No. 1 support roller 503, the No. 2 support roller 504 and the No. 3 support roller 506. Under the traction of the lifting plate 4011, the traction belt 505 will pull the rotation of the protective plate 502, so that the protective plate 502 is rotated and opened from the outer wall of the display screen 501, exposing the display screen 501. At this time, the image scanned by the infrared detector 4012 is fed back to the display screen 501, and the image can be clearly observed from the display screen 501. During use of the equipment, the protection box 401 and the protective plate 502 can respectively protect the infrared detector 4012 and the display screen 501, so as to prevent the infrared detector 4012 and the display screen 501 from being damaged when the equipment is not in use.

[0031] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0032] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An infrared thermal imaging device, comprising a support base (1), characterized in that: An equipment box (2) is installed on the top of the support seat (1), a support column (6) is fixedly installed on the top of the equipment box (2), a support platform (3) is installed on the outer wall of the support column (6), a lifting component (4) is provided on the top of the support platform (3), a protective component (5) is provided on the outer wall of the support column (6), and a support wheel (7) is fixedly installed on the bottom of the support seat (1).

2. The infrared thermal imaging device according to claim 1, characterized in that: The lifting assembly (4) includes a protective box (401), the inner cavity of the protective box (401) is fixedly equipped with a driving motor (402), the power output shaft of the driving motor (402) is rotatably connected to a rotating plate (403), the top of the protective box (401) is installed with a top cover (404), the inner cavity of the protective box (401) is rotatably connected to a driving screw (405), the outer wall of the driving screw (405) is threadedly connected to a No. 1 moving seat (406), and the outer wall of the driving screw (405) is threadedly connected to a No. 2 moving seat (407).

3. The infrared thermal imaging device according to claim 2, characterized in that: The outer wall of the protective box (401) is fixedly equipped with a driving motor (408), the outer wall of the No. 2 movable seat (407) is rotatably connected to a support plate (409), the outer wall of the No. 1 movable seat (406) is rotatably connected to an auxiliary plate (4010), and the inner cavity of the protective box (401) is installed with a lifting plate (4011), and the top of the lifting plate (4011) is fixedly equipped with an infrared detector (4012).

4. The infrared thermal imaging device according to claim 3, characterized in that: The outer wall of the rotating plate (403) away from the driving motor (402) is rotatably connected to the outer wall of the top cover (404). There are two top covers (404), and the two top covers (404) are respectively installed on both sides of the top of the protective box (401).

5. The infrared thermal imaging device according to claim 4, characterized in that: Both ends of the outer wall of the driving screw (405) are provided with external threads, and the directions of the external threads at both ends of the driving screw (405) are opposite. The power output shaft of the driving motor (408) is connected to the outer wall of the driving screw (405). The outer wall of the support plate (409) away from the end of the second moving seat (407) is rotatably connected to the bottom of the lifting plate (4011). The outer wall of the auxiliary plate (4010) away from the end of the first moving seat (406) is rotatably connected to the bottom of the lifting plate (4011).

6. The infrared thermal imaging device according to claim 3, characterized in that: The protective assembly (5) includes a display screen (501), the outer wall of the display screen (501) is rotatably connected to a protective plate (502), a No. 1 support roller (503) is installed on the top of the equipment box (2), a No. 2 support roller (504) is installed on the outer wall of the equipment box (2), a traction belt (505) is rotatably connected to the outer wall of the No. 1 support roller (503), a No. 3 support roller (506) is fixedly installed on the outer wall of the support column (6), and a traction hole (507) is opened on the top of the support platform (3).

7. The infrared thermal imaging device according to claim 6, characterized in that: The inner wall shape of the traction hole (507) matches the outer wall shape of the traction belt (505), and the outer wall shape of the protection plate (502) matches the outer wall shape of the display screen (501).

8. The infrared thermal imaging device according to claim 7, characterized in that: The traction belt (505) passes through the outer wall of the support platform (3) and the protective box (401) and is connected to the bottom of the lifting plate (4011), and the traction belt (505) is made of nylon fiber, and the No. 1 support roller (503), No. 2 support roller (504) and No. 3 support roller (506) are all made of natural rubber.

9. The infrared thermal imaging device according to claim 3, characterized in that: The bottoms of the No. 1 movable seat (406) and the No. 2 movable seat (407) are in contact with the bottom of the inner cavity of the protective box (401), and the inner wall threads of the No. 1 movable seat (406) and the No. 2 movable seat (407) match the outer wall threads at both ends of the driving screw (405), and the outer wall shape of the lifting plate (4011) matches the inner wall shape of the protective box (401).

10. The infrared thermal imaging device according to claim 9, characterized in that: The driving motor (402) is a low-speed high-torque motor. The outer wall shape of the top cover (404) is half the outer wall shape of the protection box (401). The protection box (401) and the top cover (404) are both made of ABS plastic.