All-in-one cup dispenser

Abstract

Provided in the present application is an all-in-one cup dispenser, comprising a connecting housing, wherein a mounting assembly is provided at the bottom end of the connecting housing, a sliding storage assembly is provided at the top end of the connecting housing, a pushing assembly is provided at the rear end of the sliding storage assembly, and a telescopic member is provided at the front end of the sliding storage assembly. The mounting assembly is provided to cooperate with the sliding storage assembly to place cup lids, the sliding storage assembly is pushed forward by means of the pushing assembly and the telescopic member, and thus other cup lids are used, so that the cup dispenser has the function of storing the cup lids, and automation can be further improved by means of the pushing assembly.

Description

All-in-one cup drop-off device TECHNICAL FIELD

[0001] The present application relates to the field of self-service coffee machines, in particular, to an all-in-one cup drop-off device. BACKGROUND

[0002] The cup drop-off device plays a vital role in the self-service coffee machine, and its main function is to automatically and accurately place a cup so that coffee or other beverages can be accurately poured into it; however, the traditional cup drop-off device usually only has the function of placing the cup body, and lacks the function of storing and placing the cup cover, which makes the user lack the cup cover when getting the coffee, and the coffee in the cup body is easy to accidentally spill out. TECHNICAL PROBLEM

[0003] For example: the utility model patent (application number: 201921194425.5) discloses a "split type closed cup drop-off device", the specification discloses that the cup ring and dustproof door provided by the utility model are both electronically controlled, when the cup is not taken, the cup drop-off device is closed and isolated from the external environment, which can effectively guarantee food safety; the split type closed cup drop-off device provided by the utility model can support communication with the beverage machine, receive beverage machine instructions for program control, and also support the "semi-automatic" control mode of manually pressing the button, effectively support the intelligent beverage machine with the Internet of Things module and the ordinary automatic non-Internet of Things beverage machine, and have high practicability and applicability; the above patent can prove the defects existing in the prior art.

[0004] Therefore, we improve it and propose an all-in-one cup drop-off device. TECHNICAL SOLUTION

[0005] The purpose of the present application is to solve the problem that the traditional cup drop-off device lacks the function of storing and placing the cup cover.

[0006] In order to achieve the above-mentioned application purpose, the present application provides the following all-in-one cup drop-off device to improve the above-mentioned problems.

[0007] The present application is as follows:

[0008] The application discloses a multi-in-one cup falling device, which comprises a connecting shell, a mounting assembly arranged at the bottom end of the connecting shell, a sliding storage assembly arranged at the top end of the connecting shell, a pushing assembly arranged at the rear end of the sliding storage assembly, and a telescopic piece arranged at the front end of the sliding storage assembly.

[0009] As a preferred technical scheme of the application, the sliding storage assembly comprises three sliding shells which are slidably connected to the top end of the connecting shell, the three sliding shells are arranged outside the three communicating ports of the top end of the connecting shell, the top end of each sliding shell is fixedly provided with a second storage cylinder which is in communication with the inside of the sliding shell, the rear end of the second storage cylinder is fixedly provided with a first storage cylinder which is in communication with the inside of the sliding shell, and the rear end of the sliding shell is provided with a connecting position.

[0010] As a preferred technical scheme of the application, the pushing assembly comprises a connecting column arranged at the rear end of the sliding shell, the connecting column is fixedly connected to the top end of the connecting shell, a torsional spring is rotatably connected to the outside of the connecting column, a supporting block is arranged at one side of the connecting column and fixedly connected to the connecting shell, one end of the torsional spring is in contact with the supporting block, and the other end of the torsional spring is in contact with the connecting position of the rear end of the sliding shell.

[0011] As a preferred technical scheme of the application, the telescopic piece comprises an electric telescopic rod arranged at the front end of the sliding shell, the electric telescopic rod is fixedly connected to the connecting shell, and the output end of the electric telescopic rod is in contact with the front end of the sliding shell through the connecting shell.

[0012] As a preferred technical scheme of the application, the rotating assembly comprises a plurality of rotating columns arranged in the inside of the tooth ring, a first helical half ring is fixedly arranged above the outside of the rotating columns, and a second helical half ring is fixedly arranged below the outside of the rotating columns.

[0013] As a preferred technical scheme of the application, the bottom end of the rotating column is fixedly provided with a gear, the bottom end of the rotating column arranged on the mounting shell is rotatably connected to the mounting shell through the gear, the bottom end of the rotating column arranged on the connecting box is rotatably connected to the inside of the connecting box through the gear, and the plurality of gears are meshed with the tooth ring.

[0014] As a preferred technical scheme of the application, one side of the tooth ring is provided with a transmission block, a pushing block is fixedly arranged on the outside of the transmission block, and a transmission rod is hingedly arranged at one side of the transmission block.

[0015] As a preferred technical scheme of the present application, the transmission assembly comprises three motors fixed at one side below the communication port, the motor fixed at the bottom end of the mounting shell is fixedly connected to the bottom end of the mounting shell, the motor fixed at the bottom end of the connecting box is fixedly connected to the bottom end of the connecting box, the output end of the motor is fixedly connected to the transmission block through the mounting shell, and the output end of the motor fixed at the bottom end of the connecting box is fixedly connected to the transmission block through the connecting box.

[0016] As a preferred technical scheme of the present application, one side of the transmission block is provided with a contact switch, the contact switch on the mounting shell is fixedly connected to the mounting shell, the contact switch on the connecting box is fixedly connected to the connecting box, and the contact switch is provided with an elastic sheet close to one side of the transmission block.

[0017] As a preferred technical scheme of the present application, the outer part of the top end of the second storage cylinder and the first storage cylinder is fixedly provided with a plurality of limiting blocks. Beneficial effects

[0018] Compared with the prior art, the present application has the following beneficial effects:

[0019] In the scheme of the present application:

[0020] 1. The mounting assembly is arranged to cooperate with the sliding storage assembly to place the cup cover, the sliding storage assembly is pushed forward by the pushing assembly and the telescopic piece, and then another batch of cup covers is used, so that the cup falling device has the function of storing the cup cover, and the pushing assembly can further improve the automation, and the use is more convenient, thereby solving the problem that the traditional cup falling device in the prior art lacks the functions of storing and placing the cup cover.

[0021] 2. The pushing assembly and the telescopic piece are arranged to push the second batch of cup bodies or cup covers to the rotating assembly when the first batch of cup bodies or cup covers are used up, so that the space for storing the cup bodies or cup covers in the cup falling device in the prior art is insufficient.

[0022] 3. The rotating assembly is arranged to rotate the rotating assembly through the gear ring and the transmission assembly, and the shape of the first spiral half ring and the second spiral half ring controls the falling of only one cup, thereby solving the problem that the cup falling device in the prior art is not accurate when falling the cup.

[0023] 4. The limiting blocks are arranged to avoid the situation that the edges of the first storage cylinder and the second storage cylinder are stuck to the protruding parts on the edges of the cup bodies or cup covers, thereby solving the problem that the cup is easily stuck and affects the falling of the cup in the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0024] Fig. 1 is a structural schematic diagram of a multi-in-one cup falling device provided by the present application;

[0025] Fig. 2 is a structural schematic diagram of a rear end of the multi-in-one cup falling device provided by the present application;

[0026] Fig. 3 is a structural schematic diagram of a sliding storage assembly in the multi-in-one cup falling device provided by the present application;

[0027] Fig. 4 is a structural schematic diagram of a connecting shell in the multi-in-one cup falling device provided by the present application;

[0028] Fig. 5 is a structural schematic diagram of a mounting assembly in the multi-in-one cup falling device provided by the present application;

[0029] Fig. 6 is a structural schematic diagram of a transmission assembly in the multi-in-one cup falling device provided by the present application;

[0030] Fig. 7 is a structural schematic diagram of a rotating assembly in the multi-in-one cup falling device provided by the present application.

[0031] Indications in the figures are as follows:

[0032] 1, connecting shell; 2, sliding storage assembly; 21, sliding connection shell; 22, No. 1 storage cylinder; 23, No. 2 storage cylinder; 24, connecting position; 3, mounting assembly; 31, mounting shell; 32, connecting box; 33, communication port; 4, pushing assembly; 41, connecting column; 42, supporting block; 43, torsional spring; 5, telescopic piece; 6, rotating assembly; 61, rotating connecting column; 62, No. 1 spiral half ring; 63, No. 2 spiral half ring; 64, gear; 7, gear ring; 8, transmission assembly; 81, transmission block; 82, transmission rod; 83, motor; 91, contact switch; 92, elastic sheet; 10, limiting block. Embodiments of the present application

[0033] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should fall within the scope of protection of the present application.

[0034] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the accompanying drawings.

[0035] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0036] It should be noted that like reference numerals and characters refer to like elements throughout the following figures and the detailed description, and thus, once defined do not need to be further discussed and explained in the detailed description. Embodiment 1

[0037] Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the multi-in-one cup drop device, which comprises a connecting shell 1, the bottom end of the connecting shell 1 is provided with a mounting assembly 3, the top end of the connecting shell 1 is provided with a sliding storage assembly 2, the sliding storage assembly 2 is used for storing a cup body or a cup cover, the rear end of the sliding storage assembly 2 is provided with a pushing assembly 4, the pushing assembly 4 is used for pushing the sliding storage assembly 2 forward, the front end of the sliding storage assembly 2 is provided with an extension piece 5, the extension piece 5 is used for blocking the sliding storage assembly 2, and the extension piece 5 is retracted when necessary to be pushed by the pushing assembly 4, so as to replace another set of cup body or cup cover.

[0038] Further, as shown in Fig. 1 and Fig. 5, the mounting assembly 3 comprises a mounting shell 31 fixedly connected with the bottom end of the connecting shell 1, the top end of the mounting shell 31 is in communication with the inside of the connecting shell 1, one side of the bottom end of the mounting shell 31 is fixedly provided with a connecting box 32 in communication with the inside of the mounting shell 31, the position of the connecting box 32 is used for placing a cup cover, the recessed space of the connecting box 32 is used to increase the storage space, so as to match a plurality of cup bodies on the mounting shell 31, and the space is reasonably utilized to reduce the manufacturing cost, the mounting shell 31, the connecting box 32 and the connecting shell 1 are all provided with a communication port 33, wherein two communication ports 33 are arranged on the mounting shell 31, three communication ports 33 are arranged on the connecting shell 1, and one communication port 33 is arranged on the connecting box 32, the positions of the three communication ports 33 on the connecting shell 1 correspond to the positions of the three communication ports 33 on the mounting shell 31 and the connecting box 32, the top ends of the mounting shell 31 and the connecting box 32 are rotatably connected with a gear ring 7 outside the communication port 33, the inside of the gear ring 7 is provided with a rotating assembly 6, one side of the gear ring 7 is provided with a transmission assembly 8, and the transmission assembly 8 drives the gear ring 7 to reciprocating rotate. Embodiment 2

[0039] Further optimization of the all-in-one cup drop device provided in Example 1, specifically, as shown in FIG. 1, FIG. 2 and FIG. 3, the sliding storage assembly 2 includes three sliding connection shells 21 connected to the top end of the connecting shell 1, the three sliding connection shells 21 are respectively located outside the three communication ports 33 at the top end of the connecting shell 1, the top end of the sliding connection shell 21 is fixedly provided with a second storage cylinder 23 in communication with the inside thereof, the second storage cylinder 23 is used to place the first batch of cups or cup covers, the rear end of the second storage cylinder 23 is fixedly provided with a first storage cylinder 22 in communication with the inside of the sliding connection shell 21, the first storage cylinder 22 is used to place the second batch of cups or cup covers, the rear end of the sliding connection shell 21 is provided with a connection position 24, when the first batch of cups or cup covers are used up, the second batch of cup covers are pushed by the pushing assembly 4 to continue to use the second batch of cups or cup covers, increasing the number of cups that can be accommodated by the cup drop device, the connection position 24 is used to connect with the pushing assembly 4.

[0040] Further, as shown in FIG. 2, FIG. 3 and FIG. 4, the pushing assembly 4 includes a connecting column 41 located at the rear end of the sliding connection shell 21, the connecting column 41 is fixedly connected to the top end of the connecting shell 1, the outside of the connecting column 41 is rotatably connected with a torsion spring 43, the sliding connection shell 21 is pushed by the elastic force of the torsion spring 43, one side of the connecting column 41 is provided with a support block 42 fixedly connected with the connecting shell 1, one end of the torsion spring 43 is in contact with the support block 42, the support block 42 is used to support one end of the torsion spring 43, the other end of the torsion spring 43 is in contact with the connection position 24 at the rear end of the sliding connection shell 21.

[0041] Further, as shown in FIG. 1, the telescopic member 5 includes an electric telescopic rod located at the front end of the sliding connection shell 21, the electric telescopic rod is fixedly connected with the connecting shell 1, the output end of the electric telescopic rod is in contact with the front end of the sliding connection shell 21 through the connecting shell 1, so that the sliding connection shell 21 is blocked by the output end of the electric telescopic rod, when the second batch of cups or cup covers need to be used, the end of the electric telescopic rod is retracted by the electric telescopic rod, so that it does not block the sliding connection shell 21, then the sliding connection shell 21 is pushed forward by the elastic force of the torsion spring 43, so that the second batch of cups or cup covers fall on the rotating assembly 6.

[0042] Further, as shown in FIG. 5, FIG. 6 and FIG. 7, the rotating assembly 6 includes a plurality of rotating connection columns 61 located inside the gear ring 7, a first spiral half ring 62 is fixedly provided on the outside of the rotating connection columns 61, the first spiral half ring 62 is used to hold the second cup when the cup on the second spiral half ring 63 is dropped, so as to control only one cup or cup cover to be dropped, the dropped cup or cup cover is caught by the moving device on the coffee machine, a second spiral half ring 63 is fixedly provided on the lower side of the outside of the rotating connection columns 61, the second spiral half ring 63 is used to catch the cup or cup cover, and the cup or cup cover is held by the position protruding from the edge thereof.

[0043] Further, as shown in FIG. 6 and FIG. 7, the bottom end of the adapter column 61 is fixedly provided with a gear 64, the bottom end of the adapter column 61 located on the mounting shell 31 is rotatably connected to the mounting shell 31 through the gear 64, the bottom end of the adapter column 61 located on the connecting box 32 is rotatably connected to the inside of the connecting box 32 through the gear 64, a plurality of gears 64 are engaged with the toothed ring 7, when the toothed ring 7 is rotated by the transmission assembly 8, the adapter column 61 is rotated by the gear 64, and the process of dropping the cup is completed by the first spiral half ring 62 and the second spiral half ring 63.

[0044] Further, as shown in FIG. 5 and FIG. 6, one side of the toothed ring 7 is provided with a transmission block 81, the outer side of the transmission block 81 is fixedly provided with a push block, when the transmission block 81 is rotated, the push block is rotated, one side of the transmission block 81 is hingedly provided with a transmission rod 82, one end of the transmission rod 82 is hingedly connected to the toothed ring 7, when the transmission block 81 is rotated, the toothed ring 7 is rotated by the transmission rod 82, when the transmission block 81 is rotated by a half turn, the toothed ring 7 is rotated by a certain distance, when the transmission block 81 is rotated by another half turn, the toothed ring 7 is reversely rotated by a certain distance by the transmission rod 82, and the reciprocating operation is realized.

[0045] Further, as shown in FIG. 5 and FIG. 6, the transmission assembly 8 includes a motor 83 fixed to three sides below the communication port 33, the motor 83 located at the bottom end of the mounting shell 31 is fixedly connected to the bottom end of the mounting shell 31, the motor 83 located at the bottom end of the connecting box 32 is fixedly connected to the bottom end of the connecting box 32, the transmission block 81 is rotated by starting the motor 83, the output end of the motor 83 is fixedly connected to the transmission block 81 through the mounting shell 31, the output end of the motor 83 located at the bottom end of the connecting box 32 is fixedly connected to the transmission block 81 through the connecting box 32.

[0046] Further, as shown in FIG. 6, one side of the transmission block 81 is provided with a contact switch 91, the contact switch 91 is electrically connected to the motor 83, the contact switch 91 located on the mounting shell 31 is fixedly connected to the mounting shell 31, the contact switch 91 located on the connecting box 32 is fixedly connected to the connecting box 32, the contact switch 91 is provided with a spring piece 92 near one side of the transmission block 81, when the transmission block 81 is rotated, the push block pushes the spring piece 92, thereby activating the contact switch 91, realizing the detection of the state around the cup and the transmission of the signal. Embodiment 3

[0047] Further optimization is made to the all-in-one cup dropper provided in Embodiment 1 and Embodiment 2, as shown in FIG. 3, the outside of the top end of the second storage cylinder 23 and the first storage cylinder 22 is fixedly provided with a plurality of limiting blocks 10, the top end of the limiting block 10 is provided with an inclined surface near one side of the inside of the second storage cylinder 23 and the first storage cylinder 22, the inclined surface on the limiting block 10 is used to prevent the edge of the cup from being stuck by the top end edge of the second storage cylinder 23 and the first storage cylinder 22.

[0048] The use process of the multi-in-one cup dropper provided by the application is as follows:

[0049] When the cup body or the cup cover needs to be placed, the cup body or the cup cover is stacked to a certain height and then placed in the second storage cylinder 23 and the connecting position 24 so that the cup body or the cup cover is supported by the second spiral half ring 63;

[0050] When the cup dropper needs to drop a cup, the motor 83 is started to drive the transmission block 81 to rotate, so that the gear ring 7 is driven to rotate through the transmission rod 82, at this time, the first cup on the second spiral half ring 63 is separated from the second cup above through the rotation of the second spiral half ring 63 and the first spiral half ring 62, the second cup is supported by the first spiral half ring 62 while the first cup is slid to the end of the second spiral half ring 63 and then separated from the second spiral half ring 63, the cup body or the cup cover is moved to a designated position through the moving device on the coffee machine below, at this time, the motor 83 continues to rotate to drive the gear ring 7 to reversely rotate a certain distance through the transmission block 81 and the transmission rod 82, so that the adapter column 61 is rotated through the gear 64, and the second cup body or the cup cover dragged by the first spiral half ring 62 falls on the second spiral half ring 63, so that a cup is dropped;

[0051] When the cup body or the cup cover on the second storage cylinder 23 is used up, the end of the electric telescopic rod is retracted, so that the sliding shell 21 loses the block, is pushed forward by the elastic force of the torsional spring 43, and the cup body or the cup cover on the first storage cylinder 22 falls on the second spiral half ring 63, so that the supplement is completed.

[0052] In the application, unless otherwise clearly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected or can communicate with each other; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication or interaction relationship between two elements, unless otherwise clearly limited. For those skilled in the art, the specific meanings of the above terms in the application can be understood according to the specific circumstances.

[0053] Obviously, the above-described embodiments are only some embodiments but not all the embodiments of the present application, the preferred embodiments of the present application are shown in the drawings, but do not limit the patent scope of the present application. The present application can be implemented in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or make equivalent replacements to some technical features therein. Any equivalent structure made by using the content of the present application specification and drawings, directly or indirectly applied to other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A multi-drop cup dispenser characterized in that, The utility model provides a kind of telescopic connector, including connecting shell (1), the bottom end of the connecting shell (1) is equipped with installation component (3), the top end of the connecting shell (1) is equipped with sliding storage component (2), the rear end of the sliding storage component (2) is equipped with push component (4), the front end of the sliding storage component (2) is equipped with telescopic piece (5); The installation component (3) includes an installation shell (31) fixedly connected to the bottom end of the connecting shell (1), the top end of the installation shell (31) is in communication with the inside of the connecting shell (1), one side of the bottom end of the installation shell (31) is fixedly provided with a connecting box (32) in communication with the inside thereof, the installation shell (31), the connecting box (32) and the connecting shell (1) are all provided with a communication port (33), the top end of the installation shell (31) and the connecting box (32) located outside the communication port (33) are both rotatably connected with a gear ring (7), the inside of the gear ring (7) is provided with a rotating component (6), one side of the gear ring (7) is provided with a transmission component (8).

2. The multi-purpose cup drop-off according to claim 1, wherein, The sliding storage component (2) includes three sliding connection shells (21) slidably connected to the top end of the connecting shell (1), the three sliding connection shells (21) are respectively located outside the three communication ports (33) at the top end of the connecting shell (1), the top end of the sliding connection shell (21) is fixedly provided with a second storage cylinder (23) in communication with the inside thereof, the rear end of the second storage cylinder (23) is provided with a first storage cylinder (22) fixedly communicated with the inside of the sliding connection shell (21), the rear end of the sliding connection shell (21) is provided with a connecting site (24).

3. The multi-purpose cup drop-off according to claim 2, wherein, The push component (4) includes a connecting column (41) located at the rear end of the sliding connection shell (21), the connecting column (41) is fixedly connected to the top end of the connecting shell (1), the outside of the connecting column (41) is rotatably connected with a torsional spring (43), one side of the connecting column (41) is provided with a supporting block (42) fixedly connected with the connecting shell (1), one end of the torsional spring (43) is in contact with the supporting block (42), the other end of the torsional spring (43) is in contact with the connecting site (24) at the rear end of the sliding connection shell (21).

4. The multi-purpose cup drop-off according to claim 3, wherein, The telescopic piece (5) includes an electric telescopic rod located at the front end of the sliding connection shell (21), the electric telescopic rod is fixedly connected with the connecting shell (1), the output end of the electric telescopic rod passes through the connecting shell (1) and is in contact with the front end of the sliding connection shell (21).

5. The multi-purpose cup drop-off according to claim 3, wherein, The rotating component (6) includes a plurality of adapter columns (61) located in the inside of the gear ring (7), a first helical half ring (62) is fixedly arranged above the outside of the adapter column (61), a second helical half ring (63) is fixedly arranged below the outside of the adapter column (61).

6. The multi-purpose cup drop-off according to claim 5, wherein, The bottom end of the adapter column (61) is fixedly provided with a gear (64), the bottom end of the adapter column (61) located on the installation shell (31) is rotatably connected with the installation shell (31) through the gear (64), the bottom end of the adapter column (61) located on the connecting box (32) is rotatably connected with the inside of the connecting box (32) through the gear (64), a plurality of gear (64) are engaged with the gear ring (7).

7. The multi-purpose cup drop-off according to claim 6, wherein, One side of the gear ring (7) is provided with a transmission block (81), the outer side of the transmission block (81) is fixedly provided with a pushing block, one side of the transmission block (81) is hingedly provided with a transmission rod (82), one end of the transmission rod (82) is hingedly connected with the gear ring (7).

8. The multi-purpose cup drop-off according to claim 7, wherein, The transmission assembly (8) includes a motor (83) fixed on one side below the communication port (33), the motor (83) located at the bottom end of the mounting shell (31) is fixedly connected to the bottom end of the mounting shell (31), the motor (83) located at the bottom end of the connecting box (32) is fixedly connected to the bottom end of the connecting box (32), the output end of the motor (83) penetrates through the mounting shell (31) and is fixedly connected with the transmission block (81), the output end of the motor (83) located at the bottom end of the connecting box (32) penetrates through the connecting box (32) and is fixedly connected with the transmission block (81).

9. The multi-purpose cup drop-off according to claim 7, wherein, One side of the transmission block (81) is provided with a contact switch (91), the contact switch (91) located on the mounting shell (31) is fixedly connected with the mounting shell (31), the contact switch (91) located on the connecting box (32) is fixedly connected with the connecting box (32), one side of the contact switch (91) close to the transmission block (81) is provided with a spring piece (92).

10. The multi-purpose cup drop-off according to claim 2, wherein, The outer part of the top of the second storage cylinder (23) and the first storage cylinder (22) is fixedly provided with a plurality of limiting blocks (10).

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