A hollow spherical chocolate molding device
By designing rotatable rotating seats, hollow spherical chocolate forming equipment with molding fixtures and chain systems, the problems of poor molding effect and many cooling equipment in existing equipment are solved, and efficient hollow chocolate forming and cooling are achieved.
Patent Information
- Application Number
- CN202421563802.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-07-04
AI Technical Summary
Existing spherical chocolate forming equipment is difficult to directly produce hollow spherical chocolate, which has poor molding effect and requires additional equipment to cool, which increases cost and space consumption.
A hollow spherical chocolate forming equipment is designed. The rotating seat can rotate around the rotation axis and rotate automatically. Combined with the forming fixture and chain system, the integration of chocolate forming and cooling is achieved, reducing the number of equipment and space occupation.
It realizes efficient molding of hollow chocolate balls, shortens processing time, reduces equipment cost and space occupation, and improves molding effect.
Smart Images

Figure CN222722372U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of chocolate molding equipment, in particular to hollow spherical chocolate molding equipment. Background Art
[0002] At present, spherical chocolate molding equipment generally centrifuges chocolate. Traditional chocolate molding equipment directly places chocolate in a centrifuge for centrifugal treatment. This method is difficult to directly produce hollow spherical chocolate, and the molding effect is poor. The shape needs to be adjusted later, and rounding equipment is required to cooperate. In addition, refrigeration equipment is also required to cool the chocolate, which increases costs and space occupancy, and reduces production efficiency. Therefore, an improved technology is urgently needed to solve this problem in the prior art. Utility Model Content
[0003] The utility model aims to provide a hollow spherical chocolate molding device, in which the rotating seat can not only revolve around the rotating shaft, but also realize self-rotation with the driven shaft as the axis core, so as to produce hollow chocolate balls, which greatly improves the molding effect of chocolate and shortens the processing time. At the same time, the molding fixture is respectively connected to the vertical plates of the chains on both sides through the rotating shaft and the supporting shaft, so that it can move in the loading and unloading bin and the cooling bin with the chain, and directly realize cooling without preparing cooling equipment separately, which greatly saves equipment cost and saves the space occupied by the equipment, so as to solve the problems raised in the above-mentioned background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hollow spherical chocolate molding device, comprising a loading and unloading bin, a cooling bin, a molding fixture and a spherical chocolate mold;
[0005] The loading and unloading bin and the cooling bin are connected to each other, the upper surface of the loading and unloading bin is open, and cold air inlets and cold air outlets are respectively provided at both ends of the cooling bin, and two driven sprockets are respectively provided on the inner walls of the two sides of the loading and unloading bin away from the cooling bin, and a driven sprocket and a driving sprocket are respectively provided on the inner walls of the two sides of the cooling bin away from the loading and unloading bin, and a servo motor is respectively provided on the outer surfaces of the two sides of the cooling bin, and the output shaft of the servo motor is connected to the driving sprocket, and chains are respectively provided on both sides of the loading and unloading bin and the cooling bin, and the chains are connected in cooperation with the driving sprocket and the driven sprocket on the same side. Then, a plurality of vertical plates are evenly arranged on the inner side of the chain, and the vertical plates on the two chains correspond to each other one by one. An upper support plate is arranged on the upper part of the inner walls on both sides of the cooling bin, and a lower support plate is arranged on the lower part of the inner walls on both sides of the cooling bin. An upper rack and a lower rack are respectively arranged on the inner wall of one side of the cooling bin, and the upper rack is located above the upper support plate, and the lower rack is located below the lower support plate. The upper support plate, the lower support plate and the lower rack all extend to the inner wall of the loading and unloading bin, and the upper part of the chain is supported on the upper support plate, and the lower part of the chain is supported on the lower support plate.
[0006] The cam is an axially coupled machine which is provided with a first gear and a second gear, and the cam is connected with the gear train by a spring which is provided at one end of the cam and the other end of the cam is connected with the gear train. The gear train is composed of a plurality of gears, a plurality of gears, a plurality of gears, a plurality of gears, a plurality of gears, and a plurality of gears. The plurality of gears have a plurality of gears, and the plurality of gears have a plurality of gears. The plurality of gears have a plurality of gears. The plurality of gears have a plurality of gears. The plurality of gears have a plurality of gears. The plurality of gears have a plurality of gears.
[0007] Preferably, the utility model provides a hollow spherical chocolate molding device, wherein the upper surface of the cooling bin is also provided with a plurality of small inspection doors.
[0008] Preferably, the utility model provides a hollow spherical chocolate molding device, wherein the bottoms of the loading and unloading bin and the cooling bin are both provided with a raised base.
[0009] Preferably, the utility model provides a hollow spherical chocolate molding device, wherein the upper surfaces of the upper support plate and the lower support plate are both provided with limiting protrusions, and the limiting protrusions cooperate with the chain.
[0010] Preferably, the utility model provides a hollow spherical chocolate molding device, wherein the spherical chocolate mold includes a first template and a second template, the first template and the second template cooperate with each other, the first template and the second template are both provided with a hemispherical cavity, and the hemispherical cavities of the first template and the second template cooperate with each other.
[0011] Preferably, the utility model provides a hollow spherical chocolate molding device, wherein the support shaft is provided with a positioning plate on the outside of the rotating seat.
[0012] Preferably, the utility model provides a hollow spherical chocolate molding device, wherein the rotating shaft is located on the outer side of the corresponding vertical plate and a limit ring is provided.
[0013] Preferably, the utility model provides a hollow spherical chocolate molding device, wherein an opening is formed at one end of the rotating block away from the supporting shaft, and the rotating shaft is connected to the opening of the rotating block through a cover plate and bolts.
[0014] Preferably, the utility model provides a hollow spherical chocolate molding device, wherein the upper rack is mounted on the inner wall of the cooling bin through an upper limit plate, and the distance between the upper limit plate and the upper support plate matches the height of the chain.
[0015] Preferably, the utility model provides a hollow spherical chocolate molding device, wherein the lower end rack is installed on the inner wall of the cooling bin and the loading and unloading bin through a lower limit plate, and the distance between the lower end rack and the lower end support plate matches the diameter of the gear.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] The rotating seat can not only revolve around the rotating axis, but also rotate with the driven shaft as the axis core, so as to produce hollow chocolate balls, which greatly improves the molding effect of chocolate and shortens the processing time. At the same time, the molding fixture is connected to the vertical plates of the chains on both sides through the rotating axis and the supporting axis respectively, so that it can move with the chain in the loading and unloading bin and the cooling bin, and directly realize cooling without the need to prepare cooling equipment separately, which greatly saves equipment cost and saves the space occupied by the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the structure of the utility model;
[0019] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;
[0020] Figure 3 For attachment Figure 3 The enlarged structural diagram at the mark A in the middle;
[0021] Figure 4 Schematic diagram of the spherical chocolate mold structure.
[0022] In the figure: loading and unloading bin 1, cooling bin 2, cold air inlet 3, cold air outlet 4, driven sprocket 5, driving sprocket 6, servo motor 7, chain 8, vertical plate 9, upper end rack 10, upper end support plate 11, lower end support plate 12, lower end rack 13, rotating block 14, rotating shaft 15, supporting shaft 16, gear 17, first bevel gear 18, second bevel gear 19, rotating seat 20, driven shaft 21, supporting frame 22, supporting rod 23, buckle 24, extension plate 25, spring 26, first spring seat 27, second spring seat 28, spherical chocolate mold 29, maintenance small door 30, lifting base 31, limiting protrusion 32, positioning plate 33, limiting ring 34, cover plate 35, upper limit plate 36, lower limit plate 37, first template 2901, second template 2902, hemispherical cavity 2903. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solution of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model;
[0024] It should be noted that, in the description of the present invention, the terms "inside", "outside", "upper", "lower", "both sides", "one end", "the other end", "left" and "right" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.
[0025] See also Figure 1-3 , the utility model provides a technical solution: a hollow spherical chocolate molding device, including a loading and unloading bin 1, a cooling bin 2, a molding fixture and a spherical chocolate mold 29;
[0026] The loading and unloading bin 1 and the cooling bin 2 are connected to each other. The bottom of the loading and unloading bin 1 and the cooling bin 2 are both provided with a lifting base 31 to achieve overall lifting and support. The upper surface of the loading and unloading bin 1 is open. The two ends of the cooling bin 2 are respectively provided with a cold air inlet 3 and a cold air outlet 4. The upper surface of the cooling bin 2 is also provided with a plurality of small inspection doors 30 to facilitate maintenance, inspection or inspection of the interior of the cooling bin 2. Two driven sprockets 5 are respectively provided on the inner walls of both sides of the loading and unloading bin 1 away from the cooling bin 2. The inner walls of both sides of the cooling bin 2 away from the loading and unloading bin 1 are respectively provided with There is a driven sprocket 5 and a driving sprocket 6, a servo motor 7 is provided on the outer surface of both sides of the cooling bin 2, the output shaft of the servo motor 7 is connected to the driving sprocket 6, chains 8 are provided on both sides of the loading and unloading bin 1 and the cooling bin 2, and the chains 8 are connected with the driving sprocket 6 and the driven sprocket 5 on the same side, and a plurality of vertical plates 9 are evenly provided on the inner side of the chain 8, and the vertical plates 9 on the two chains 8 correspond to each other one by one, and the upper part of the inner wall on both sides of the cooling bin 2 is provided with an upper end support plate 11, and the lower part of the inner wall on both sides of the cooling bin 2 is provided with a lower end support plate 12 An upper rack 10 and a lower rack 13 are respectively provided on the inner wall of one side of the cooling bin 2. The upper rack 10 is located above the upper support plate 11, and the lower rack 13 is located below the lower support plate 12. The upper support plate 11, the lower support plate 12 and the lower rack 13 all extend to the inner wall of the loading and unloading bin 1. The upper part of the chain 8 is supported on the upper support plate 11, and the lower part of the chain 8 is supported on the lower support plate 12. The upper surfaces of the upper support plate 11 and the lower support plate 12 are both provided with limiting protrusions 32, and the limiting protrusions 32 cooperate with the chain 8. The limiting protrusions 32 are arranged on the upper surfaces of the upper support plate 11 and the lower support plate 12 to ensure the stability of the chain 8 and prevent it from detaching from the upper support plate 11 or the lower support plate 12. The upper rack 10 is installed on the inner wall of the cooling bin 2 through the upper limit plate 36. The distance between the upper limit plate 36 and the upper support plate 11 matches the height of the chain 8 to ensure that when the upper part of the chain 8 is supported on the upper support plate 11, the corresponding gear 17 of the forming fixture can continuously mesh with the upper rack 10 to prevent the gear 17 from detaching from the upper rack 10. The lower rack 13 is installed on the inner wall of the cooling bin 2 and the loading and unloading bin 1 through the lower limit plate 37. The distance between the lower rack 13 and the lower support plate 12 matches the diameter of the gear 17 to ensure that when the lower part of the chain 8 is supported on the lower support plate 12, the corresponding gear 17 of the forming fixture is located between the lower support plate 12 and the lower rack 13, and the gear 17 is continuously meshed with the lower rack 13 to prevent the gear 17 from being separated from the lower rack 13.
[0027] The forming fixture includes a rotating block 14, a rotating shaft 15, a supporting shaft 16, a gear 17, a first bevel gear 18, a second bevel gear 19, a rotating seat 20, a driven shaft 21, a supporting frame 22, a supporting rod 23, a buckle 24, an extension plate 25 and a spring 26. One end of the rotating shaft 15 is connected to the rotating block 14, and the side of the rotating block 14 away from the rotating shaft 15 is movably connected to one end of the supporting shaft 16. An opening is provided at the end of the rotating block 14 away from the supporting shaft 16. The rotating shaft 15 is connected to the opening of the rotating block 14 through a cover plate 35 and a bolt, and the first bevel gear 18 is realized through the opening. and the installation of the second bevel gear 19, the support shaft 16 is located on the outside of the rotating seat 20 and a positioning plate 33 is provided to ensure the stability of the end connected to the rotating block 14 and the support shaft 16, the rotating shaft 15 is rotatably connected to the corresponding vertical plate 9 at one end away from the rotating block 14, and the support shaft 16 is connected to the corresponding vertical plate 9 at one end away from the rotating block 14 by bolts. The end of the support shaft 16 connected to the rotating block 14 is penetrated by the rotating block 14 and is located inside the rotating block 14. The first bevel gear 18 is provided at one end of the support shaft 16 located inside the rotating block 14, and the end of the rotating shaft 15 away from the rotating block 14 is connected to the corresponding vertical plate 9. A gear 17 is also provided, and the gear 17 cooperates with the upper rack 10 and the lower rack 13. The rotating shaft 15 is located on the outer side of the corresponding vertical plate 9 and a limit ring 34 is provided to ensure the stability of the rotating shaft 15. There are two rotating seats 20 and they are symmetrically arranged at the upper and lower ends of the rotating block 14. A driven shaft 21 is provided at one end of the rotating seat 20 close to the rotating block 14. The driven shaft 21 is far away from the rotating seat 20 and is penetrated through the rotating block 14 and is located inside the rotating block 14. A second bevel gear 19 is provided at one end of the driven shaft 21 located inside the rotating block 14. The second bevel gear 19 is aligned with the first bevel gear 1 8 meshing, support frames 22 and support rods 23 are arranged on both sides of the rotating seat 20, the support frame 22 is located on the inner side of the support rod 23, the outer end of the support rod 23 is connected with a buckle 24 through a rotating shaft, an extension plate 25 is arranged on one side of the buckle 24, a first spring seat 27 is arranged at the end of the support rod 23 away from the buckle 24, the extension plate 25 is provided with a second spring seat 28, a spring 26 is connected between the first spring seat 27 and the second spring seat 28, the support frame 22 cooperates with the spherical chocolate mold 29, the spherical chocolate mold 29 is supported on the support frame 22 and clamped on both sides by the buckles 24.
[0028] like Figure 4 As shown, the spherical chocolate mold 29 includes a first template 2901 and a second template 2902, the first template 2901 and the second template 2902 cooperate with each other, the first template 2901 and the second template 2902 are both provided with a hemispherical cavity 2903, the hemispherical cavities 2903 of the first template 2901 and the second template 2902 cooperate with each other, and the spherical chocolate mold 29 with this structure is convenient for adding materials and also convenient for taking out the spherical chocolate later.
[0029] Installation method and principle of use: First, pass one end of the support shaft 16 through the rotating block 14, and install the first bevel gear 18 at the end of the support shaft 16. Two rotating seats 20 with support frames 22, support rods 23 and buckles 24 are connected to the rotating block 14, so that the driven shaft 21 of the rotating seat 20 passes through the rotating block 14, and install the second bevel gear 19 at one end inside the rotating block 14, and make the second bevel gear 19 mesh with the first bevel gear 18. Install two chains 8 on both sides of the loading and unloading bin 1 and the cooling bin 2 and connect them with the driving sprocket 6 and the driven sprocket 5. At this time, the upper part of the chain 8 is supported on the upper support plate 11, and the lower part of the chain 8 is supported on the lower support plate 12. At the same time, the chain 8 is supported and limited by the limiting protrusions 32 of the upper support plate 11 and the lower support plate 12. Then install the vertical plate 9 inside the chain 8, and pass the vertical plate 9 on the corresponding side and limit it through the limit ring, then install the gear 17 at the end of the rotating shaft 15, and fasten the outer end of the support shaft 16 to the vertical plate 9 on the corresponding side by bolts to complete the installation. When in use, pour the chocolate raw material into the hemispherical cavity 2903 of the first template 2901, cover the second template 2902, pull open the buckle 24, and support the first template 2901 on the support frame 22, release the buckle 24, and through the tension of the spring 26, the buckle 24 is pressed on the outer end of the second template 2902, so as to clamp the spherical chocolate mold 29. Start the servo motors 7 on both sides, and the servo motors 7 drive the two driving sprockets 6 to rotate, so that the chains 8 on both sides rotate synchronously, and the chains 8 drive the vertical plates 9 to move, thereby driving the molding fixture to move. When the gear 17 of the rotating shaft 15 of the molding fixture contacts the upper rack 10 or the lower rack 13, the rotating shaft 15 drives the rotating block 14 to rotate, and the rotating block 14 rotates around the supporting shaft 16. The cooperation between the second bevel gear 19 and the first bevel gear 18 realizes the rotation of the driven shaft 21, so that the rotating seat 20 can rotate around the driven shaft 21 while revolving around the rotating shaft 15, thereby driving the spherical chocolate mold 29 to rotate, and the cold air is discharged from the cold air inlet 3 and the cold air outlet 4 to cool the chocolate and obtain a hollow chocolate ball. The loading and unloading are completed at the open part of the loading and unloading bin 1. The utility model has a reasonable structure. The rotating seat 20 can not only revolve around the rotating shaft 15, but also rotate with the driven shaft 21 as the axis core, so as to produce hollow chocolate balls, which greatly improves the molding effect of chocolate and shortens the processing time. At the same time, the molding fixture is respectively connected to the vertical plates 9 of the chains 8 on both sides through the rotating shaft 15 and the supporting shaft 16, so that it can move with the chain 8 in the loading and unloading bin 1 and the cooling bin 2, and directly realize cooling without preparing cooling equipment separately, which greatly saves equipment cost and saves the space occupied by the equipment.
[0030] The matters not described in detail in the present invention are all known technologies to those skilled in the art.
[0031] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified and replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A hollow spherical chocolate molding device, characterized in that: It comprises a loading and unloading bin (1), a cooling bin (2), a molding fixture and a spherical chocolate mold (29); The loading and unloading bin (1) and the cooling bin (2) are connected to each other. The upper surface of the loading and unloading bin (1) is open. The two ends of the cooling bin (2) are respectively provided with a cold air inlet (3) and a cold air outlet (4). The inner walls of the loading and unloading bin (1) at one end away from the cooling bin (2) are respectively provided with two driven sprockets (5). The inner walls of the cooling bin (2) at one end away from the loading and unloading bin (1) are respectively provided with a driven sprocket (5) and a driving sprocket (6). The outer surfaces of the two sides of the cooling bin (2) are respectively provided with a servo motor (7). The output shaft of the servo motor (7) is connected to the driving sprocket (6). Chains (8) are respectively provided on the inner sides of the loading and unloading bin (1) and the cooling bin (2). The chains (8) are connected to the driving sprocket (6) and the driven sprocket (5) on the same side. A plurality of vertical plates (9) are evenly arranged on the inner side of the cooling bin (8), and the vertical plates (9) on the two chains (8) correspond to each other one by one. An upper support plate (11) is arranged on the upper part of the inner wall on both sides of the cooling bin (2), and a lower support plate (12) is arranged on the lower part of the inner wall on both sides of the cooling bin (2). An upper rack (10) and a lower rack (13) are arranged on the inner wall of one side of the cooling bin (2), respectively. The upper rack (10) is located above the upper support plate (11), and the lower rack (13) is located below the lower support plate (12). The upper support plate (11), the lower support plate (12) and the lower rack (13) all extend to the inner wall of the loading and unloading bin (1), and the upper part of the chain (8) is supported on the upper support plate (11), and the lower part of the chain (8) is supported on the lower support plate (12); The molding fixture comprises a rotating block (14), a rotating shaft (15), a supporting shaft (16), a gear (17), a first bevel gear (18), a second bevel gear (19), a rotating seat (20), a driven shaft (21), a supporting frame (22), a supporting rod (23), a buckle (24), an extension plate (25) and a spring (26); one end of the rotating shaft (15) is connected to the rotating block (14); a side of the rotating block (14) away from the rotating shaft (15) is movably connected to one end of the supporting shaft (16); and an end of the rotating shaft (15) away from the rotating block (14) is connected to a corresponding vertical plate (9). ) is rotatably connected, the end of the support shaft (16) away from the rotating block (14) is fastened to the corresponding vertical plate (9) by bolts, the end of the support shaft (16) connected to the rotating block (14) is passed through the rotating block (14) and is located inside the rotating block (14), the end of the support shaft (16) located inside the rotating block (14) is provided with a first bevel gear (18), the end of the rotating shaft (15) away from the rotating block (14) is also provided with a gear (17), the gear (17) cooperates with the upper end rack (10) and the lower end rack (13), the rotating seat (20) has two and opposite The rotating seat (20) is provided at the upper and lower ends of the rotating block (14); a driven shaft (21) is provided at one end of the rotating seat (20) close to the rotating block (14); an end of the driven shaft (21) away from the rotating seat (20) is penetrated through the rotating block (14) and is located inside the rotating block (14); a second bevel gear (19) is provided at one end of the driven shaft (21) located inside the rotating block (14); the second bevel gear (19) is meshed with the first bevel gear (18); a support frame (22) and a support rod (23) are provided on both sides of the rotating seat (20); the support frame (22) is located on the support rod (23) The inner side of the support frame (22), the outer end of the support rod (23) is connected to a buckle (24) through a rotating shaft, an extension plate (25) is provided on one side of the buckle (24), a first spring seat (27) is provided at one end of the support rod (23) away from the buckle (24), the extension plate (25) is provided with a second spring seat (28), a spring (26) is connected between the first spring seat (27) and the second spring seat (28), the support frame (22) is matched with the spherical chocolate mold (29), the spherical chocolate mold (29) is supported on the support frame (22) and clamped on both sides by the buckles (24).
2. The hollow spherical chocolate molding device according to claim 1, characterized in that: The upper surface of the cooling bin (2) is also provided with a plurality of small inspection doors (30).
3. The hollow spherical chocolate molding device according to claim 1, characterized in that: The bottoms of the loading and unloading bin (1) and the cooling bin (2) are both provided with a raised base (31).
4. The hollow spherical chocolate molding device according to claim 1, characterized in that: The upper surfaces of the upper support plate (11) and the lower support plate (12) are both provided with limiting protrusions (32), and the limiting protrusions (32) cooperate with the chain (8).
5. The hollow spherical chocolate molding device according to claim 1, characterized in that: The spherical chocolate mold (29) includes a first template (2901) and a second template (2902), the first template (2901) and the second template (2902) cooperate with each other, the first template (2901) and the second template (2902) are both provided with a hemispherical cavity (2903), and the hemispherical cavities (2903) of the first template (2901) and the second template (2902) cooperate with each other.
6. The hollow spherical chocolate molding device according to claim 1, characterized in that: The support shaft (16) is provided with a positioning plate (33) located outside the rotating seat (20).
7. The hollow spherical chocolate molding device according to claim 1, characterized in that: The rotating shaft (15) is located on the outer side of the corresponding vertical plate (9) and a limiting ring (34) is provided.
8. The hollow spherical chocolate molding device according to claim 1, characterized in that: An opening is provided at one end of the rotating block (14) away from the supporting shaft (16), and the rotating shaft (15) is connected to the opening of the rotating block (14) via a cover plate (35) and bolts.
9. The hollow spherical chocolate molding device according to claim 1, characterized in that: The upper rack (10) is mounted on the inner wall of the cooling bin (2) via an upper limit plate (36), and the distance between the upper limit plate (36) and the upper support plate (11) matches the height of the chain (8).
10. The hollow spherical chocolate molding device according to claim 1, characterized in that: The lower end rack (13) is installed on the inner wall of the cooling bin (2) and the loading and unloading bin (1) through a lower limit plate (37), and the distance between the lower end rack (13) and the lower end support plate (12) matches the diameter of the gear (17).