Rolling device

By designing a guiding mechanism for the rolling device, the problem of high skill level required for manual rolling tool operation was solved, achieving stability and balance in the rolling process, avoiding damage to the parts, and ensuring product quality.

CN224044614UActive Publication Date: 2026-03-27FUYAO ALUMINUM PARTS (CHANGCHUN) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In existing technologies, when manually using hand-held rolling tools to connect colloids and decorative parts, the operation relies heavily on the operator's skill level, which can easily lead to scratches on the decorative parts and affect product quality.

Method used

Design a rolling device, including a rolling mechanism and a guiding mechanism. The guiding mechanism grips the outside of the assembly fixture and drives the rolling mechanism to move along the length of the assembly fixture to ensure stable contact and balanced pressure between the rolling mechanism and the adhesive on the surface of the trim.

Benefits of technology

The design of the guiding mechanism ensures the stability and balance of the rolling process, avoids damage to the trim, and improves product quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224044614U_ABST
    Figure CN224044614U_ABST
Patent Text Reader

Abstract

The utility model discloses a rolling device which is used for being connected with an assembly tool in a sliding mode, a containing groove used for containing ornaments is formed in the assembly tool, and the rolling device comprises a rolling mechanism and a guide mechanism. The guide mechanism is arranged outside the assembly tool in a holding mode and can move in the length direction of the assembly tool. The rolling mechanism comprises a pressure applying wheel, and the pressure applying wheel and the containing groove are oppositely arranged in the thickness direction of the assembly tool so that the pressure applying wheel can abut against colloid on the surface of the ornament. According to the utility model, tight connection between the adhesive tape and the ornament can be realized, and the ornament can be prevented from being scratched.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to seal strip processing technical field especially is a kind of rolling device. BACKGROUND

[0002] Part of the ornament in vehicle is connected with vehicle sheet metal or other accessories by bonding, so the surface of this kind of ornament needs to be attached to glue. After the adhesive strip is bonded with the glue, a certain pressure needs to be applied to the surface of the glue to ensure the bonding force of the glue strip and the ornament. At present, the glue is rolled by manual rolling tool to make the glue and the ornament tightly connected. Although this operation method can connect the glue and the ornament, the operation process is highly dependent on the proficiency of the operator, and slight carelessness or improper force control can easily scratch the ornament, thereby affecting the product quality. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a rolling device to improve the effectiveness of rolling action and avoid damage to the ornament.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A rolling device is used for sliding connection with an assembly tool, the assembly tool is provided with a containing groove for containing an ornament, and the rolling device comprises a rolling mechanism and a guide mechanism.

[0006] The guide mechanism is gripped outside the assembly tool and can move along the length direction of the assembly tool.

[0007] The rolling mechanism comprises a pressure roller, and the pressure roller is arranged opposite to the containing groove in the thickness direction of the assembly tool to press the glue on the surface of the ornament.

[0008] Further, the rolling mechanism further comprises a support, a pressure assembly and a first sliding assembly.

[0009] The pressure assembly is slidingly connected with the support through the first sliding assembly, and the first sliding assembly is distributed along the height direction of the support.

[0010] In the height direction of the support, the pressure end of the pressure assembly is arranged to extend away from the support, and the pressure roller is arranged on the pressure end of the pressure assembly.

[0011] Further, the pressure assembly comprises a pressure clamp and a pressure piece.

[0012] The control end of the pressure clamp is connected with the side of the support away from the guide mechanism, and the movable end of the pressure clamp is movably connected with the pressure piece.

[0013] The pressing member is in sliding connection with the first sliding assembly.

[0014] Further, the pressing member comprises a fixed part and an extension part;

[0015] The extension part is in sliding connection with the fixed part;

[0016] The fixed part is connected with the pressing clamp, and the extension part is arranged to extend away from the fixed part in the height direction of the support.

[0017] Further, the side wall of the extension part is provided with a movable pin;

[0018] In the height direction of the support, a fixed pin is arranged at one end of the fixed part away from the support;

[0019] The fixed pin and the movable pin are connected by an elastic member.

[0020] Further, the guide mechanism comprises a first Y-direction guide assembly, a second Y-direction guide assembly and a Z-direction guide assembly;

[0021] The first Y-direction guide assembly is connected with one side in the width direction of the rolling mechanism, and the first Y-direction guide assembly can abut against the assembly tool and move along the length direction of the assembly tool;

[0022] The first Y-direction guide assembly is arranged opposite to the second Y-direction guide assembly, and the Z-direction guide assembly is located between the first Y-direction guide assembly and the second Y-direction guide assembly.

[0023] Further, the guide mechanism further comprises a guide frame;

[0024] At least one second Y-direction guide assembly and at least one Z-direction guide assembly are arranged on both sides in the length direction of the guide frame, and the second Y-direction guide assemblies arranged on both sides in the length direction of the guide frame are arranged opposite to each other, and the Z-direction guide assemblies arranged on both sides in the length direction of the guide frame are arranged opposite to each other.

[0025] Further, the guide mechanism further comprises a second sliding assembly;

[0026] The first Y-direction guide assembly and the rolling mechanism are in sliding connection with the guide frame through the second sliding assembly, and the second sliding assembly is distributed along the length direction of the guide frame.

[0027] Further, the Z-direction guide assembly comprises an upper roller and a lower roller;

[0028] The upper roller and the lower roller form a holding space matched with the assembly tool.

[0029] Further, the guide mechanism comprises an adjusting assembly;

[0030] The guide frame comprises a frame body and a movable piece;

[0031] In the length direction of the guide frame, the movable piece is in sliding connection with one side of the frame body, and the movable piece is perpendicular to the frame body;

[0032] In the length direction of the guide frame, the fixed end of the adjusting assembly is connected to one end of the frame body close to the movable piece, and the adjusting end of the adjusting assembly can abut against the movable piece to adjust the position of the movable piece on the frame body.

[0033] The beneficial effects of the utility model lie in that: through the guide mechanism, the guide mechanism is held on the assembly tool, the guide mechanism drives the rolling mechanism to move along the distribution direction of the assembly tool, the rolling mechanism can abut against the surface of the decoration piece in the assembly tool, the rolling mechanism can always move along the distribution direction of the assembly tool when moving with the guide mechanism, the relative position relationship between the rolling mechanism and the assembly tool is ensured to be stable, the pressure of the rolling mechanism is balanced, the decoration piece surface is prevented from being damaged due to the displacement of the rolling tool and excessive pressure, and the product quality is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is a front view of the rolling device in the utility model;

[0035] Figure 2 It is a side view of the rolling device in the utility model;

[0036] Figure 3 It is a top view of the rolling device in the utility model;

[0037] Figure 4 It is a structure diagram of the rolling device and the assembly tool in the utility model;

[0038] Figure 5 It is a structure diagram of the rolling device in the utility model.

[0039] Label explanation:

[0040] 1, rolling mechanism; 11, pressure wheel; 12, support; 13, pressure assembly; 131, pressure clamp; 132, pressure piece; 1321, fixed part; 1322, extension part; 1323, fixed pin; 1324, movable pin; 1325, elastic piece; 14, first sliding assembly;

[0041] 2, guide mechanism; 21, guide frame; 211, frame body; 212, movable piece; 22, first Y-direction guide assembly; 221, extension piece; 222, guide wheel; 23, second Y-direction guide assembly; 24, Z-direction guide assembly; 241, upper roller; 242, lower roller; 25, second sliding assembly; 26, adjusting assembly; 261, fixed plate; 262, set screw;

[0042] 3, assembly tool; 31, accommodating groove; 4, ornament. DETAILED DESCRIPTION

[0043] To make the technical content of the present application, the purposes and effects achieved more clear, the following will be described in detail in conjunction with the embodiments and the accompanying drawings.

[0044] Please refer to Figures 1-5 An embossing device is used in sliding connection with the assembly tool 3, the assembly tool 3 is provided with an accommodating groove 31 for accommodating the ornament 4, and comprises an embossing mechanism 1 and a guide mechanism 2; the guide mechanism 2 is clamped on the outside of the assembly tool 3 and can move along the length direction of the assembly tool 3; the embossing mechanism 1 comprises a pressing wheel 11, which is arranged opposite to the accommodating groove 31 in the thickness direction of the assembly tool 3, so that the pressing wheel 11 can press against the colloid on the surface of the ornament 4.

[0045] It can be understood that, through the guide mechanism 2, the guide mechanism 2 is clamped on the outside of the assembly tool 3, so that the guide mechanism 2 drives the embossing mechanism 1 to move along the distribution direction of the assembly tool 3, and the embossing mechanism 1 can press against the surface of the ornament 4 in the assembly tool 3, so that the embossing mechanism 1 can always move along the distribution direction of the assembly tool 3 when it moves with the guide mechanism 2, ensuring that the embossing mechanism 1 and the assembly tool 3 maintain a stable relative positional relationship, and ensuring that the pressing force of the embossing mechanism 1 is balanced, avoiding displacement of the embossing tool and excessive pressure which can damage the surface of the ornament 4, and ensuring product quality.

[0046] In some embodiments, the embossing mechanism 1 further comprises a bracket 12, a pressing assembly 13 and a first sliding assembly 14; the pressing assembly 13 is in sliding connection with the bracket 12 through the first sliding assembly 14, and the first sliding assembly 14 is distributed along the height direction of the bracket 12; in the height direction of the bracket 12, the pressing end of the pressing assembly 13 extends and is arranged on the side away from the bracket 12, and the pressing wheel 11 is arranged on the pressing end of the pressing assembly 13. Through the first sliding assembly 14, the sliding of the pressing assembly 13 in the height direction of the bracket 12 is controlled to change the working position of the pressing assembly 13, that is, when the pressing wheel 11 presses the colloid on the surface of the ornament 4, the pressing assembly 13 should be at the lowest point, and when the pressing wheel 11 is separated from the colloid on the surface of the ornament 4, the pressing assembly 13 is at the highest point. Specifically, the first sliding assembly 14 is a sliding rail assembly.

[0047] In some embodiments, the pressing assembly 13 comprises a pressing clamp 131 and a pressing piece 132; a control end of the pressing clamp 131 is connected to a side of the support 12 away from the guide mechanism 2, a movable end of the pressing clamp 131 is movably connected to the pressing piece 132; the pressing piece 132 is slidably connected to the first sliding assembly 14. The pressing clamp 131 is arranged to drive the pressing piece 132 and the pressing wheel 11 to change the working position, which can ensure stable pressing of the adhesive tape on the surface of the ornament 4, and make the pressing wheel 11 quickly separate from the ornament 4 and the adhesive tape after moving to the position, facilitating the discharge of the ornament 4.

[0048] In some embodiments, the pressing piece 132 comprises a fixed part 1321 and an extension part 1322; the extension part 1322 is slidably connected to the fixed part 1321; the fixed part 1321 is connected to the pressing clamp 131, and the extension part 1322 is arranged to extend away from the fixed part 1321 in the height direction of the support 12. Specifically, the extension part 1322 is slidably connected to the fixed part 1321 through a sliding rail assembly, and the pressing wheel 11 is arranged at the lower end of the extension part 1322, so that the pressing wheel 11 can adapt to various products and improve the versatility.

[0049] In some embodiments, a side wall of the extension part 1322 is provided with a movable pin 1324; an end of the fixed part 1321 away from the support 12 is provided with a fixed pin 1323 in the height direction of the support 12; the movable pin 1324 and the fixed pin 1323 are connected through an elastic piece 1325. The movable pin 1324 and the fixed pin 1323 are connected through the elastic piece 1325, so that the elastic stress of the elastic piece 1325 is converted into the compressive stress of the pressing wheel 11, and the extension part 1322 drives the pressing wheel 11 to press the adhesive tape. Preferably, the elastic piece 1325 is a tension spring.

[0050] In some embodiments, the guiding mechanism 2 comprises a guiding frame 21, a first Y-direction guiding assembly 22, a second Y-direction guiding assembly 23, and a Z-direction guiding assembly 24; the first Y-direction guiding assembly 22 is connected to one side of the rolling mechanism 1 in the width direction, and the first Y-direction guiding assembly 22 can abut against the assembly tool 3 and move along the length direction of the assembly tool 3; the first Y-direction guiding assembly 22 is arranged opposite to the second Y-direction guiding assembly 23, and the Z-direction guiding assembly 24 is located between the first Y-direction guiding assembly 22 and the second Y-direction guiding assembly 23; at least one second Y-direction guiding assembly 23 and at least one Z-direction guiding assembly 24 are arranged on both sides of the guiding frame 21 in the length direction, and the second Y-direction guiding assemblies 23 on both sides of the guiding frame 21 are arranged opposite to each other, and the Z-direction guiding assemblies 24 on both sides of the guiding frame 21 are arranged opposite to each other. Specifically, the first Y-direction guiding assembly 22 comprises an extension piece 221 and a guiding wheel 222; the extension piece 221 is connected to one side of the support 12, and the extension piece 221 extends away from the support 12 in the height direction of the support 12; and the guiding wheel 222 is assembled to one end of the extension piece 221 away from the support 12, and is used to abut against the assembly tool 3. The first Y-direction guiding assembly 22, the second Y-direction guiding assembly 23, and the Z-direction guiding assembly 24 are arranged to maintain a relatively stable positional relationship between the guiding frame 21 and the assembly tool 3 in the Y-axis direction and the Z-axis direction, so as to limit the rolling mechanism 1 in these two directions and improve the stability between the rolling mechanism 1 and the assembly tool 3.

[0051] In some embodiments, the guiding mechanism 2 further comprises a second sliding assembly 25; the first Y-direction guiding assembly 22 and the rolling mechanism 1 are slidingly connected to the guiding frame 21 through the second sliding assembly 25, and the second sliding assembly 25 is distributed along the length direction of the guiding frame 21. The position of the rolling mechanism 1 in the length direction of the guiding frame 21 is changed through the second sliding assembly 25, so as to press the adhesive tape on different ornaments 4 and improve the versatility.

[0052] In some embodiments, the Z-direction guiding assembly 24 comprises an upper roller 241 and a lower roller 242; the upper roller 241 and the lower roller 242 form a clamping space matched with the assembly tool 3, so as to limit the guiding frame 21 in the Z-axis direction, i.e., the height direction of the guiding frame 21. Preferably, the upper roller 241 and the lower roller 242 are provided with two respectively, so as to improve the stability.

[0053] In some embodiments, the guide mechanism 2 further comprises an adjusting assembly 26; the guide frame 21 comprises a frame body 211 and a movable piece 212; in the length direction of the guide frame 21, the movable piece 212 is in sliding connection with one side of the frame body 211, and the movable piece 212 is perpendicular to the frame body 211; in the length direction of the guide frame 21, the fixed end of the adjusting assembly 26 is connected with one end of the frame body 211 close to the movable piece 212, and the adjusting end of the adjusting assembly 26 can abut against the movable piece 212 to adjust the position of the movable piece 212 on the frame body 211, adapt to different assembly tools 3, and improve flexibility. Specifically, the adjusting assembly 26 comprises a fixed plate 261 and two tight screws 262; the fixed plate 261 is connected with the frame body 211, and the tight screws 262 abut against the movable piece 212 through the fixed plate 261.

[0054] Embodiment one of the utility model discloses:

[0055] A rolling device is used for sliding connection with the assembly tool 3, the assembly tool 3 is provided with a containing groove 31 for containing the ornament 4, and comprises a rolling mechanism 1 and a guide mechanism 2; the guide mechanism 2 is gripped on the outer side of the assembly tool 3 and can move along the length direction of the assembly tool 3; the rolling mechanism 1 comprises a pressing wheel 11, which is arranged opposite to the containing groove 31 in the thickness direction of the assembly tool 3, so that the pressing wheel 11 abuts against the colloid on the surface of the ornament 4.

[0056] In the embodiment, the rolling mechanism 1 further comprises a support 12, a pressing assembly 13 and a first sliding assembly 14; the pressing assembly 13 is in sliding connection with the support 12 through the first sliding assembly 14, and the first sliding assembly 14 is distributed along the height direction of the support 12; in the height direction of the support 12, the pressing end of the pressing assembly 13 extends to the side away from the support 12, and the pressing wheel 11 is arranged on the pressing end of the pressing assembly 13. The pressing assembly 13 comprises a pressing clamp 131 and a pressing piece 132; the control end of the pressing clamp 131 is connected with the side of the support 12 away from the guide mechanism 2, the movable end of the pressing clamp 131 is movably connected with the pressing piece 132; the pressing piece 132 is in sliding connection with the first sliding assembly 14. The pressing piece 132 comprises a fixed part 1321 and an extension part 1322; the extension part 1322 is in sliding connection with the fixed part 1321; the fixed part 1321 is connected with the pressing clamp 131, and the extension part 1322 extends away from the fixed part 1321 in the height direction of the support 12. The side wall of the extension part 1322 is provided with a movable pin 1324; in the height direction of the support 12, one end of the fixed part 1321 away from the support 12 is provided with a fixed pin 1323; the fixed pin 1323 and the movable pin 1324 are connected through an elastic piece 1325. Preferably, the elastic piece 1325 is a tension spring.

[0057] In the embodiment, the guiding mechanism 2 comprises a guiding frame 21, a first Y-direction guiding assembly 22, a second Y-direction guiding assembly 23 and a Z-direction guiding assembly 24; the first Y-direction guiding assembly 22 is connected with one side of the rolling mechanism 1 in the width direction, and the first Y-direction guiding assembly 22 can abut against the assembly tool 3 and move along the length direction of the assembly tool 3; the first Y-direction guiding assembly 22 is oppositely arranged with the second Y-direction guiding assembly 23, and the Z-direction guiding assembly 24 is located between the first Y-direction guiding assembly 22 and the second Y-direction guiding assembly 23; one second Y-direction guiding assembly 23 and one Z-direction guiding assembly 24 are arranged on each side of the length direction of the guiding frame 21, and the second Y-direction guiding assemblies 23 on the two sides of the length direction of the guiding frame 21 are oppositely arranged, and the Z-direction guiding assemblies 24 on the two sides of the length direction of the guiding frame 21 are oppositely arranged. Specifically, the first Y-direction guiding assembly 22 comprises an extension piece 221 and a guiding wheel 222, the extension piece 221 is connected with one side of the support 12, and the extension piece 221 extends in the height direction of the support 12 and is arranged away from the support 12, and the guiding wheel 222 is assembled at one end of the extension piece 221 away from the support 12 and used for abutting against the assembly tool 3. The guiding mechanism 2 further comprises a second sliding assembly 25; the first Y-direction guiding assembly 22 and the rolling mechanism 1 are slidingly connected with the guiding frame 21 through the second sliding assembly 25, and the second sliding assembly 25 is distributed along the length direction of the guiding frame 21. Preferably, the second Y-direction guiding assembly 23 is a side roller.

[0058] In the embodiment, the Z-direction guiding assembly 24 comprises an upper roller 241 and a lower roller 242; the upper roller 241 and the lower roller 242 form a holding space matched with the assembly tool 3. Preferably, the upper roller 241 and the lower roller 242 are respectively provided with two.

[0059] In the embodiment, the guiding mechanism 2 further comprises an adjusting assembly 26; the guiding frame 21 comprises a frame body 211 and a movable piece 212; in the length direction of the guiding frame 21, the movable piece 212 is slidingly connected with one side of the frame body 211, and the movable piece 212 is perpendicular to the frame body 211; in the length direction of the guiding frame 21, a fixed end of the adjusting assembly 26 is connected with one end of the frame body 211 close to the movable piece 212, and an adjusting end of the adjusting assembly 26 can abut against the movable piece 212. Specifically, the adjusting assembly 26 comprises a fixed plate 261 and two tight screws 262; the fixed plate 261 is connected with the frame body 211, and the tight screws 262 abut against the movable piece 212 through the fixed plate 261.

[0060] The working principle of the utility model is that:

[0061] The ornament 4 is arranged in the accommodating groove 31 of the assembly tool 3, and the glue is adhered to the surface of the ornament 4;

[0062] The first Y-direction guide assembly 22 and the second Y-direction guide assembly 23 of the guide mechanism 2 are pressed against different positions in the width direction of the assembly tool 3, and the Z-direction guide assembly 24 of the guide mechanism 2 is pressed against both sides in the thickness direction of the assembly tool 3, so that the guide mechanism 2 is gripped on the assembly tool 3;

[0063] The pressing tool 131 is pressed down, the pressing member 132 drives the pressing wheel 11 to be pressed down, the pressing wheel 11 is pressed against the surface of the glue body, the guide mechanism 2 drives the pressing wheel 11 to move along the distribution direction of the decoration part 4 and press the glue body, so that the glue body is tightly connected with the decoration part 4.

[0064] The above is only the embodiment of the present application, and does not limit the patent range of the present application, and any equivalent transformation or direct or indirect application in the related technical field is also included in the patent protection range of the present application.

Claims

1. A rolling device for slidingly connecting with an assembly jig, the assembly jig having a receiving groove for receiving a trim part formed therein, characterized in that, The rolling mechanism and the guiding mechanism are included; The guiding mechanism is gripped outside the assembly tool and can move along the length direction of the assembly tool; The rolling mechanism includes a pressing wheel, which is arranged opposite to the accommodating groove in the thickness direction of the assembly tool, so that the pressing wheel is pressed against the colloid on the surface of the ornament.

2. A rolling device according to claim 1, characterised in that The rolling mechanism further includes a support, a pressing assembly and a first sliding assembly; The pressing assembly is slidingly connected with the support through the first sliding assembly, and the first sliding assembly is distributed along the height direction of the support; In the height direction of the support, the pressing end of the pressing assembly is arranged to extend away from the support, and the pressing wheel is arranged on the pressing end of the pressing assembly.

3. A rolling device according to claim 2, wherein The pressing assembly includes a pressing clamp and a pressing piece; The control end of the pressing clamp is connected with the side of the support away from the guiding mechanism, and the movable end of the pressing clamp is movably connected with the pressing piece; The pressing piece is slidingly connected with the first sliding assembly.

4. A rolling device according to claim 3, wherein The pressing piece includes a fixed part and an extension part; The extension part is slidingly connected with the fixed part; The fixed part is connected with the pressing clamp, and the extension part is arranged to extend away from the fixed part in the height direction of the support.

5. A rolling device according to claim 4, wherein The side wall of the extension part is provided with a movable pin, and the end of the fixed part away from the support is provided with a fixed pin in the height direction of the support; The fixed pin and the movable pin are connected through an elastic piece.

6. A rolling device according to claim 1, wherein The guiding mechanism includes a first Y-direction guiding assembly, a second Y-direction guiding assembly and a Z-direction guiding assembly; The first Y-direction guiding assembly is connected with one side of the rolling mechanism in the width direction, and the first Y-direction guiding assembly can be pressed against the assembly tool and move along the length direction of the assembly tool; The first Y-direction guiding assembly is arranged opposite to the second Y-direction guiding assembly, and the Z-direction guiding assembly is located between the first Y-direction guiding assembly and the second Y-direction guiding assembly.

7. A rolling device according to claim 6, wherein The guiding mechanism further includes a guiding support; At least one second Y-direction guiding assembly and at least one Z-direction guiding assembly are arranged on both sides of the length direction of the guiding support, and the second Y-direction guiding assemblies on both sides of the length direction of the guiding support are arranged opposite to each other, and the Z-direction guiding assemblies on both sides of the length direction of the guiding support are arranged opposite to each other.

8. A rolling device according to claim 7, wherein The guiding mechanism further includes a second sliding assembly; The first Y-direction guiding assembly and the rolling mechanism are slidingly connected with the guiding support through the second sliding assembly, and the second sliding assembly is distributed along the length direction of the guiding support.

9. A rolling device according to claim 7, wherein The Z-direction guiding assembly includes an upper roller and a lower roller; The upper roller and the lower roller form a gripping space matched with the assembly tool.

10. A rolling device according to claim 7, wherein The guiding mechanism further includes an adjusting assembly; The guiding support includes a support body and a movable piece; In the length direction of the guiding support, the movable piece is slidingly connected with one side of the support body, and the movable piece and the support body are perpendicular to each other; The fixed end of the adjusting assembly is connected to one end of the frame body close to the movable piece in the length direction of the guide frame, and the adjusting end of the adjusting assembly can be pressed against the movable piece to adjust the position of the movable piece on the frame body.