A temporary storage rack for photoelectric instruments
Through the design of modified components, the photoelectric instrument temporary shelves can flexibly change the shape according to the spatial layout and personal creativity, solving the problem of fixing the shape of the traditional shelves and improving the flexibility of use and viewing.
Patent Information
- Application Number
- CN202411474178.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2044-10-22
AI Technical Summary
The traditional photoelectric instrument temporary shelf has a fixed shape and can only be placed along the straight space. It cannot change the overall shape of the shelf according to the curvature of the wall and the spatial layout, and it is less flexible to use.
The modified components are adopted, including link buckles, link bars, link plates, connecting shafts and forming plates. Through the transfer and rotation of these components, the shape of the temporary rack can be changed, so that it can be placed flexibly according to the spatial layout. And increase ornamentality.
The shape flexibility of temporary shelves is improved, and it can be placed according to the spatial layout and personal creativity, while increasing the decorativeness and convenience of use.
Smart Images

Figure CN118992293B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of instrument storage equipment, and in particular to a photoelectric instrument temporary storage rack. Background Art
[0002] Photoelectric instruments refer to instruments that use the principle of photoelectric conversion to perform measurement, control, detection, transmission and other operations. The principle of photoelectric conversion refers to the process of converting optical signals into electrical signals or converting electrical signals into optical signals, including but not limited to the following types: photoelectric sensors, photoelectric controllers, photoelectric detection instruments and photoelectric communication equipment. Photoelectric instrument temporary storage racks are brackets or racks used to temporarily store photoelectric instruments or related equipment, which can help users store and manage equipment reasonably.
[0003] After searching, the publication number CN220948999U is an instrument placement rack, which includes four rectangular support plates, two of which form a group and are evenly divided into two groups. The inner side of each support plate is fixed with a connection seat at an even interval, and the opposite sides of the four connection seats in the same horizontal plane are jointly provided with a folding bearing mechanism. The present application sets up a folding bearing mechanism, and releases the limit of the folding bearing mechanism through a locking mechanism, so that the first bearing plate and the second bearing plate can be folded with each other, and the two groups of support plates are close to each other, so as to complete the folding of the placement rack as a whole, reduce its overall use space, and solve the problem that most of the placement racks in the prior art are not convenient for subsequent folding and placement, and occupy more space.
[0004] The placement rack disclosed in the patent has a fixed shape and can only be placed along a flat space. If the wall of the space where the placement rack is placed has a certain curvature, the placement rack cannot change its overall shape according to the curvature of the wall and the spatial layout, and the placement rack has low flexibility in use. Summary of the invention
[0005] The purpose of the present invention is to provide a temporary storage rack for optoelectronic instruments, which solves the problem that traditional storage racks are fixed in shape and can only be placed along a flat space. If the wall of the space where the storage rack is placed has a certain curvature, the storage rack cannot be placed according to the curvature of the wall and the spatial layout to change the overall shape of the shelf, resulting in low flexibility in use.
[0006] The present invention solves the above technical problems through the following technical solutions, which include:
[0007] Multiple instrument support plates;
[0008] A modification component, the modification component is arranged below the instrument temporary support plate, the modification component is used to change the placement shape of the overall device, the modification component includes a change-over component, the change-over component includes a plurality of linking ring buckles 1, a plurality of chain linking rods, a plurality of linking ring buckles 2, a plurality of linking plates 1, a plurality of linking plates 2, a plurality of connecting shafts and a plurality of forming plates, and a plurality of linking plates 1 are provided with connecting grooves inside;
[0009] The plurality of link buckles 1 and the plurality of chain link rods are alternately arranged one by one, and one end of the plurality of link buckles 1 are respectively rotatably connected with one end of the plurality of chain link rods, the plurality of link buckles 2 are respectively arranged in front and back correspondence with the plurality of link buckles 1, the plurality of link plates 1 are respectively rotated at one end of the plurality of link buckles 2, the plurality of link plates 2 are respectively arranged below the plurality of link plates 1, the plurality of link plates 2 are respectively rotated at the other end of the plurality of link buckles 2, one ends of the plurality of connecting shafts are respectively fixed at the edge above the plurality of link plates 2, and the plurality of connecting shafts are respectively slidably arranged inside the plurality of connecting grooves, the plurality of forming plates are arranged in a straight line above the plurality of link buckles 1, and the plurality of forming plates are respectively rotated between the two ends of the plurality of link buckles 1 and the plurality of link buckles 2 corresponding to the front and back.
[0010] Preferably, the modified assembly further comprises a plurality of stabilizing members for preventing the device from easily deflecting, the plurality of stabilizing members are arranged in two rows of equal number in front and back, the plurality of stabilizing members in the front row are respectively fixed in front of the plurality of linking ring buckles 2, and the plurality of stabilizing members in the rear row are respectively fixed in rear of the plurality of linking ring buckles 1;
[0011] The stabilizing component includes a supporting ring plate, a positive magnetic ring, a connecting rod, a negative magnetic ring and a suction cup. The positive magnetic ring is fixed inside the supporting ring plate, the connecting rod slides inside the positive magnetic ring, the negative magnetic ring is fixed to the outer surface of the connecting rod, and the suction cup is fixed to one end of the connecting rod.
[0012] Preferably, the stabilizing member also includes an air inlet hole, an internal threaded tube, a silicone connecting strip and an external threaded plug opened on the outside of the suction cup, the internal threaded tube is fixed to the outside of the suction cup, one end of the silicone connecting strip is fixed to the outside of the suction cup, and the external threaded plug is rotated on the other end of the silicone connecting strip.
[0013] Preferably, a plurality of support components are arranged above the modified component, and the support components are used to support and suspend the temporary support plate of the instrument.
[0014] Preferably, the support assembly includes two threaded rods, one end of each of the two threaded rods is fixed above the same forming plate, and the instrument temporary support plate is sleeved between the outsides of the two threaded rods.
[0015] Preferably, the support assembly also includes a shielding shell, two internally threaded lifting cylinders, a belt and an anti-slip cylinder, the shielding shell is fixed below the temporary support plate of the instrument, the two internally threaded lifting cylinders are respectively threadedly connected to the outside of the two threaded rods, and the two internally threaded lifting cylinders are both rotated below the temporary support plate of the instrument, the belt is sleeved between the outsides of the two internally threaded lifting cylinders, the anti-slip cylinder is fixed below one of the internally threaded lifting cylinders, and the anti-slip cylinder extends to the outside of the shielding shell.
[0016] Preferably, a plurality of clamping holes are provided below the plurality of linking ring buckles 1 and the plurality of linking ring buckles 2, and balls are rotatably installed inside the plurality of clamping holes.
[0017] Preferably, the plurality of linking ring buckles 1, the plurality of linking ring buckles 2 and the plurality of forming plates are all made of stainless steel.
[0018] Preferably, the internally threaded barrel and the externally threaded plug are both made of rubber.
[0019] Preferably, the plurality of balls are all made of stainless steel.
[0020] Compared with the prior art, the beneficial effects of the present invention are:
[0021] By pushing the chain formed by the link ring buckle 1 and the chain connecting rod, the rotating connection between the link ring buckle 1 and the chain connecting rod is deflected along the pushing direction, and the link ring buckle 1 drives the chain formed by the link ring buckle 2, the link plate 1 and the link plate 2 to deflect through the forming plate. During this period, the link plate 1 and the link plate 2 gradually move away from each other, so that the chain formed by the link ring buckle 2, the link plate 1 and the link plate 2 gradually opens and lengthens as it bends. The shape of the entire temporary shelf can be flexibly changed according to the spatial layout or one's own ideas for use. It is highly flexible to use and also increases the ornamental value of the temporary shelf. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;
[0023] Figure 2 It is a partial disassembled schematic diagram of the modified component in the present invention;
[0024] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;
[0025] Figure 4 for Figure 2 The enlarged structural diagram at B in the middle;
[0026] Figure 5 for Figure 2 The enlarged structural diagram at C in the middle;
[0027] Figure 6 It is a bottom view of the second linking ring in the present invention;
[0028] Figure 7 It is a structural schematic diagram of the support assembly and the instrument temporary support plate in the present invention;
[0029] Figure 8 It is a schematic diagram of the disassembly of the support assembly and the instrument temporary support plate in the present invention;
[0030] Fig. 9 for Figure 8 The enlarged structural diagram at D in the middle;
[0031] Fig.10 It is a schematic diagram of local deformation of the structure of the present invention.
[0032] The numbers in the figure represent:
[0033] 1. Temporary support plate for instruments;
[0034] 2. Modified assembly; 21. Link buckle 1; 22. Chain link rod; 23. Link buckle 2; 24. Link plate 1; 25. Link plate 2; 26. Connecting shaft; 27. Forming plate; 28. Connecting groove; 29. Support ring plate; 210. Positive magnetic ring; 211. Connecting rod; 212. Negative magnetic ring; 213. Suction cup; 214. Air inlet; 215. Internal threaded cylinder; 216. Silicone connecting strip; 217. External threaded plug;
[0035] 3. Support assembly; 31. Threaded rod; 32. Shielding shell; 33. Internal thread lifting cylinder; 34. Belt; 35. Anti-skid cylinder;
[0036] 4. Card hole; 5. Ball. DETAILED DESCRIPTION
[0037] The above and other technical features and advantages of the present invention are described in more detail below in conjunction with the accompanying drawings.
[0038] The present invention provides a technical solution: a photoelectric instrument temporary storage rack, such as Figure 1-6 As shown, it includes multiple instrument temporary support plates 1 and modified components 2. The modified components 2 are arranged below the instrument temporary support plates 1. The modified components 2 are used to change the placement shape of the overall device. The overall shape of the temporary shelf can be changed according to the corner of the indoor space or a suitable layout, so that the temporary shelf can be straight, curved, or have a certain degree of curvature in the middle. The placement shape of the temporary shelf can be flexibly selected according to creativity or layout, which can not only increase the ornamental value but also flexibly fit the layout and be placed reasonably.
[0039] like Figure 1-6As shown, the modified component 2 includes a changeover part, which includes a plurality of link buckles 1 21, a plurality of chain link rods 22, a plurality of link buckles 23, a plurality of link plates 1 24, a plurality of link plates 25, a plurality of connecting shafts 26 and a plurality of forming plates 27. A connection groove 28 is provided inside each of the plurality of link plates 1 24. The plurality of link buckles 1 21, a plurality of link buckles 23 and a plurality of forming plates 27 are all made of stainless steel. A plurality of clamping holes 4 are provided below each of the plurality of link buckles 1 21 and a plurality of link buckles 23. Balls 5 are rotatably installed inside each of the plurality of clamping holes 4. When the device is pushed to change its shape, the balls 5 roll to make the pushing and pulling of the device during deformation more labor-saving. The plurality of balls 5 are all made of stainless steel. The stainless steel material has high hardness and is not easily deformed, and will not be deformed due to long-term weighing on the temporary shelf, affecting its use.
[0040] like Figure 2 , Figure 3 , Figure 4 and Fig.10 As shown, a plurality of linking ring buckles 21 and a plurality of chain linking rods 22 are alternately arranged one by one, and one end of the plurality of linking ring buckles 21 is rotatably connected to one end of the plurality of chain linking rods 22, respectively. Figure 2 As shown, the adjacent ends of the transversely arranged link buckles 1 21 and the chain link rods 22 are connected one by one to form a chain body, a plurality of link buckles 23 are arranged in front and back correspondence with the plurality of link buckles 1 21, a plurality of link plates 1 24 are respectively rotated at one end of the plurality of link buckles 23, a plurality of link plates 25 are respectively arranged under the plurality of link plates 1 24, and a plurality of link plates 25 are respectively rotated at the other end of the plurality of link buckles 23, as shown in FIG. Figure 2 As shown, a link plate 1 24 and a link plate 25 are respectively arranged between two adjacent link ring buckles 23, one end of a plurality of connecting shafts 26 is respectively fixed at the edge above the plurality of link plates 25, and the plurality of connecting shafts 26 are respectively slidably arranged inside the plurality of connecting grooves 28. When the modified component 2 is as shown in FIG. Figure 2 When the chain is arranged in a straight line as shown in the figure, the link plate 1 24 and the link plate 2 25 correspondingly arranged above and below overlap each other, and the connecting shaft 26 is at one end of the connecting groove 28 at this time. Later, when the chain formed by the link ring buckle 1 21 and the chain link rod 22 rotates, the link plate 1 24 and the link plate 2 25 gradually move away from each other as the two link ring buckles 23 deflect, and drive the connecting shaft 26 to slide in the connecting groove 28, so that the two adjacent link ring buckles 23 can still be connected as a whole by relying on the link plate 1 24, the link plate 2 25 and the connecting shaft 26 after being deflected away from each other.
[0041] like Figure 1-4As shown, when the bent and deformed temporary shelf is restored to the straight line at a later stage, it is only necessary to push the chain formed by the link ring buckle 1 21 and the chain link rod 22 in the straight line direction. Under the mutual limit of the connecting shaft 26 and one end of the connecting groove 28, it can be accurately judged whether the temporary shelf is restored to the straight line as a whole. A plurality of forming plates 27 are arranged in a straight line above the plurality of link ring buckles 1 21. The plurality of forming plates 27 are respectively rotated between the two ends of the plurality of link ring buckles 1 21 and the plurality of link ring buckles 23 corresponding to the front and rear. The link ring buckle 1 21 and the link ring buckle 2 23 have left and right ends. Figure 1 As shown, the forming plate 27 is rotatably installed at the two ends above the front and rear opposite linking ring buckle 1 21 and linking ring buckle 2 23, so that the chain formed by the linking ring buckle 1 21 and the chain formed by the linking ring buckle 2 23 can remain connected and form a whole.
[0042] The chain formed by the link ring buckle 1 21 and the chain link bar 22 can be pushed to increase the decorative effect according to the spatial layout or the desired placement shape, so that the rotation connection between the link ring buckle 1 21 and the chain link bar 22 is deflected along the pushing direction, and the link ring buckle 1 21 drives the chain formed by the link ring buckle 2 23, the link plate 1 24 and the link plate 25 to deflect through the forming plate 27. During the deflection process, the adjacent link ring buckle 23 gradually moves away, and respectively drives the link plate 1 24 and the link plate 25 connected thereto to deflect and move away from each other. Under the sliding restriction of the connecting shaft 26 and the connecting groove 28, the chain formed by the link ring buckle 23, the link plate 1 24 and the link plate 25 gradually opens and lengthens as it bends, and the shape of the entire temporary shelf can be flexibly changed. It can be turned into a semicircular shape with a large curvature, a U-shape, or other shapes with a certain curvature to match the spatial layout, or it can be manipulated into a desired shape according to one's own ideas and placed in a designated position, so that the temporary shelf can be used to place photoelectric instruments while also having a certain ornamental effect.
[0043] like Figure 1 As shown, the modified component 2 also includes a plurality of stabilizing members for preventing the device from easily deflecting. The plurality of stabilizing members are arranged in two rows of equal number in front and back, and the plurality of stabilizing members in the front row are respectively fixed in front of the plurality of linking ring buckles 23, and the plurality of stabilizing members in the rear row are respectively fixed behind the plurality of linking ring buckles 1 21. The stabilizing members in one row are equidistantly distributed, and in the figure, a stabilizing member is arranged every other linking ring buckle 23. The specific number and arrangement number of the stabilizing members can be determined according to the size of the temporary shelf;
[0044] like Figure 5As shown, the stabilizing member includes a support ring plate 29, a positive magnetic ring 210, a connecting rod 211, a negative magnetic ring 212 and a suction cup 213. The support ring plate 29 in the stabilizing member located in front of the link ring buckle 23 is fixed on the link ring buckle 23, and the support ring plate 29 in the stabilizing member located behind the link ring buckle 1 21 is fixed on the link ring buckle 1 21. The positive magnetic ring 210 is fixed to the inside of the support ring plate 29, the connecting rod 211 slides inside the positive magnetic ring 210, and the negative magnetic ring 212 is fixed to the outer surface of the connecting rod 211. When the temporary shelf needs to change its placement shape, the negative magnetic ring 212 and the positive magnetic ring 210 attract each other to suspend the suction cup 213 to prevent the suction cup 213 from affecting the movement of the temporary shelf. The suction cup 213 is fixed to one end of the connecting rod 211.
[0045] like Figure 5 and Figure 6 As shown, the stabilizing member also includes an air inlet hole 214, an internal threaded tube 215, a silicone connecting strip 216 and an external threaded plug 217, which are both made of rubber. After the external threaded plug 217 is screwed into the internal threaded tube 215, the air inlet hole 214 can be better blocked. The internal threaded tube 215 is fixed to the outside of the suction cup 213 at the position of the air inlet hole 214. One end of the silicone connecting strip 216 is fixed to the outside of the suction cup 213, and the external threaded plug 217 is rotated on the other end of the silicone connecting strip 216. After the temporary rack is placed, the connecting rod 211 is pushed down to separate the positive magnetic ring 210 and the negative magnetic ring 212, and the suction cup 213 is pressed and adsorbed on the ground where the temporary rack is placed to stabilize the temporary rack, so as to prevent the temporary rack from rolling when the temporary rack is touched by the outside world, so that the temporary rack is easily deflected and the photoelectric instrument falls. Before the temporary rack needs to be moved, the pressure or vacuum inside the suction cup 213 is quickly released by screwing the external thread plug 217 out of the internal thread cylinder 215, so as to reduce the adsorption force with the ground, thereby making it easier to separate the suction cup 213 from the ground, and reducing the difficulty of operation for operators.
[0046] like Figure 7-10 As shown, a plurality of support components 3 are arranged above the modified component 2, and the support components 3 are used to support and suspend the instrument temporary support plate 1, such as Figure 7As shown, there are a large number of instrument temporary support plates 1, and a support assembly 3 is provided with multiple instrument temporary support plates 1 of different heights for supporting the photoelectric instrument. The support assembly 3 includes two threaded rods 31, one end of each of the two threaded rods 31 is fixed on the top of the same forming plate 27, and the instrument temporary support plate 1 is sleeved between the outsides of the two threaded rods 31, the support assembly 3 also includes a shielding shell 32, two internally threaded lifting cylinders 33, a belt 34 and an anti-skid cylinder 35, the shielding shell 32 is fixed below the instrument temporary support plate 1, the two internally threaded lifting cylinders 33 are respectively threadedly connected to the outsides of the two threaded rods 31, and the two internally threaded lifting cylinders 33 are rotated below the instrument temporary support plate 1, the belt 34 is sleeved between the outsides of the two internally threaded lifting cylinders 33, and the transmission function of the synchronous rotation of the two internally threaded lifting cylinders 33 is realized by the belt 34, the anti-skid cylinder 35 is fixed below one of the internally threaded lifting cylinders 33, and the anti-skid cylinder 35 extends to the outside of the shielding shell 32.
[0047] According to the size of the photoelectric instrument, the internal thread lifting cylinder 33 connected to it can be driven to rotate by rotating the anti-skid cylinder 35, and the two internal thread lifting cylinders 33 can be rotated synchronously through the belt 34. According to the direction of rotating the anti-skid cylinder 35, the internal thread lifting cylinder 33 can be moved up and down freely outside the threaded rod 31, so as to change the distance between the two instrument temporary support plates 1, which can be suitable for storing photoelectric instruments of different volume heights.
[0048] The above description is only a preferred embodiment of the present invention, which is only illustrative and not restrictive of the present invention. Those skilled in the art understand that many changes, modifications, and even equivalences may be made to the present invention within the spirit and scope defined by the claims of the present invention, but all of them will fall within the scope of protection of the present invention.
Claims
1. A temporary storage rack for photoelectric instruments, It is characterized in that include: Multiple instrument support plates (1); A modification component (2), the modification component (2) being arranged below the instrument temporary support plate (1), the modification component (2) being used to change the placement shape of the overall device, the modification component (2) comprising a change-over component, the change-over component comprising a plurality of linking ring buckles (21), a plurality of chain linking rods (22), a plurality of linking ring buckles (23), a plurality of linking plates (24), a plurality of linking plates (25), a plurality of connecting shafts (26) and a plurality of forming plates (27), the plurality of linking plates (24) each having a connecting groove (28) formed therein; The plurality of link ring buckles (21) and the plurality of chain link rods (22) are arranged alternately one by one, and one end of the plurality of link ring buckles (21) is respectively rotatably connected to one end of the plurality of chain link rods (22), the plurality of link ring buckles (23) and the plurality of link ring buckles (21) are arranged front and rear correspondingly, the plurality of link plates (24) are respectively rotated on one end of the plurality of link ring buckles (23), the plurality of link plates (25) are respectively arranged below the plurality of link plates (24), and the plurality of link plates (25) are respectively arranged The plurality of connecting shafts (26) are respectively rotated on the other ends of the plurality of linking ring buckles (23), one ends of the plurality of connecting shafts (26) are respectively fixed on the edges above the plurality of linking plates (25), and the plurality of connecting shafts (26) are respectively slidably arranged inside the plurality of connecting grooves (28), the plurality of forming plates (27) are arranged in a straight line above the plurality of linking ring buckles (21), and the plurality of forming plates (27) are respectively rotated between the plurality of linking ring buckles (21) and the two ends of the plurality of linking ring buckles (23) corresponding to the front and rear ends; A plurality of support assemblies (3) are arranged above the modified assembly (2), the support assemblies (3) being used to connect the instrument temporary support plate (1), the support assemblies (3) comprising two threaded rods (31), one end of each of the two threaded rods (31) being fixed above the same forming plate (27), and the instrument temporary support plate (1) being sleeved between the outsides of the two threaded rods (31); The support assembly (3) further comprises a shielding shell (32), two internally threaded lifting cylinders (33), a belt (34) and an anti-skid cylinder (35); the shielding shell (32) is fixed below the instrument temporary support plate (1); the two internally threaded lifting cylinders (33) are respectively threadedly connected to the outside of the two threaded rods (31), and the two internally threaded lifting cylinders (33) are both rotated below the instrument temporary support plate (1); the belt (34) is sleeved between the outsides of the two internally threaded lifting cylinders (33); the anti-skid cylinder (35) is fixed below one of the internally threaded lifting cylinders (33), and the anti-skid cylinder (35) extends to the outside of the shielding shell (32).
2. A photoelectric instrument temporary storage rack as claimed in claim 1, It is characterized in that The modified component (2) further comprises a plurality of stabilizing members for preventing the device from easily deflecting, the plurality of stabilizing members being arranged in two rows of equal number in front and back, the plurality of stabilizing members in the front row being respectively fixed in front of the plurality of second linking ring buckles (23), and the plurality of stabilizing members in the rear row being respectively fixed in rear of the plurality of first linking ring buckles (21); The stabilizing component comprises a supporting ring plate (29), a positive magnetic ring (210), a connecting rod (211), a negative magnetic ring (212) and a suction cup (213); the stabilizing component is fixedly connected to a first connecting ring buckle (21) and a second connecting ring buckle (23) via the supporting ring plate (29); the positive magnetic ring (210) is fixed inside the supporting ring plate (29); the connecting rod (211) slides inside the positive magnetic ring (210); the negative magnetic ring (212) is fixed to the outer surface of the connecting rod (211); and the suction cup (213) is fixed to one end of the connecting rod (211).
3. A photoelectric instrument temporary storage rack as claimed in claim 2, It is characterized in that The stabilizing member further comprises an air inlet hole (214) opened on the outside of the suction cup (213), an internally threaded tube (215), a silicone connecting strip (216) and an externally threaded plug (217), wherein the internally threaded tube (215) is fixed to the outside of the suction cup (213), one end of the silicone connecting strip (216) is fixed to the outside of the suction cup (213), and the externally threaded plug (217) is rotated on the other end of the silicone connecting strip (216).
4. A photoelectric instrument temporary storage rack as claimed in claim 1, It is characterized in that A plurality of latch holes (4) are provided below the plurality of linking ring buckles 1 (21) and the plurality of linking ring buckles 2 (23), and a ball bearing (5) is rotatably mounted inside the plurality of latch holes (4).
5. A photoelectric instrument temporary storage rack as claimed in claim 1, It is characterized in that The plurality of linking ring buckles 1 (21), the plurality of linking ring buckles 2 (23) and the plurality of forming plates (27) are all made of stainless steel.
6. A photoelectric instrument temporary storage rack as claimed in claim 3, It is characterized in that The internally threaded cylinder (215) and the externally threaded plug (217) are both made of rubber.
7. A photoelectric instrument temporary storage rack as claimed in claim 4, It is characterized in that The plurality of balls (5) are all made of stainless steel.
