CN211268529U - Fruit raw material crushing apparatus for beverage processing - Google Patents

Abstract

The utility model relates to the technical field of fruit crushing devices, in particular to fruit raw material crushing equipment for beverage processing; the filtering structure is added, so that the existence of fruit residues and fruit seeds in fruits is reduced, the subsequent re-filtering operation is reduced, and the use reliability of equipment is improved; including first barrel, be provided with first chamber in the first barrel, be provided with first pivot in the first chamber, the fixed multiunit crushing sword that is provided with of first pivot lateral wall, still include the second barrel, the second barrel sets up in first barrel downside, second chamber upside and downside all are provided with the multiunit second pivot, upside multiunit second pivot and downside multiunit second pivot are all connected through the extrusion belt transmission, the distance between upside multiunit second pivot and the downside multiunit second pivot reduces gradually, second barrel front end upside and front end downside all are provided with the multiunit connecting axle, second barrel rear end upside and rear end downside all are provided with the second motor.

Description

Fruit raw material crushing apparatus for beverage processing

Technical Field

The utility model relates to a fruit reducing mechanism's technical field especially relates to a fruit raw materials crushing apparatus is used in beverage processing.

Background

As is well known, fruit raw material crushing equipment for beverage processing is a device used for crushing fruit raw materials in the beverage processing process, can provide convenience for later processing, and is widely used in the field of fruit crushing devices; the existing fruit raw material crushing equipment for beverage processing comprises a first barrel, wherein a first cavity is arranged in the first barrel, a first rotating shaft is arranged in the first cavity, a plurality of groups of crushing cutters are fixedly arranged on the outer side wall of the first rotating shaft, a first motor is fixedly arranged at the top end of the first barrel, a feeding pipe is communicated with the upper side of the left end of the first barrel, and a transmission pipe is communicated with the bottom end of the first barrel; when the fruit raw material crushing equipment for beverage processing is used, fruits are conveyed into the first cavity from the feeding pipe, the first motor drives the first rotating shaft to rotate, the crushing cutter is driven to rotate while the first rotating shaft rotates, the fruits can be cut and crushed, and the crushed and cut fruits are conveyed downwards from the conveying pipe; the fruit raw material crushing equipment for processing the beverage is used for discovering that more fruit residues and fruit seeds exist in the crushed raw materials, the crushed raw materials need to be re-filtered in the later processing process, and the use reliability of the equipment is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an increase filtration, the existence of fruit pomace and fruit seed in the fruit is reduced, reduces the refiltering operation in later stage, improve equipment's use fruit type raw materials crushing apparatus for beverage processing of reliability.

The utility model discloses a fruit raw material crushing equipment for beverage processing, which comprises a first barrel, wherein a first cavity is arranged in the first barrel, a first rotating shaft is arranged in the first cavity, a plurality of groups of crushing cutters are fixedly arranged on the outer side wall of the first rotating shaft, a first motor is fixedly arranged at the top end of the first barrel, a feeding pipe is communicated with the upper side of the left end of the first barrel, and a transmission pipe is communicated with the bottom end of the first barrel; the device also comprises a second barrel body, the second barrel body is arranged at the lower side of the first barrel body, a second cavity is arranged in the second barrel body, the output end of a transmission pipe is communicated with the left side of the top end of the second cavity, the upper side and the lower side of the second cavity are respectively provided with a plurality of groups of second rotating shafts, the upper side multi-group second rotating shafts and the lower side multi-group second rotating shafts are respectively connected through an extrusion belt in a transmission way, the distance between the upper side multi-group second rotating shafts and the lower side multi-group second rotating shafts is gradually reduced, the upper side and the lower side of the front end of the second barrel body are respectively provided with a plurality of groups of connecting shafts, the rear ends of the upper side multi-group connecting shafts and the rear ends of the rear side multi-group connecting shafts are respectively connected with the front ends of the upper side multi-group second rotating shafts and the lower side multi-group second rotating shafts after respectively penetrating through the front end of the, second barrel rear end upside and rear end downside all are provided with the second motor, two sets of second motor output pass respectively behind the second barrel rear end respectively with left upper side second pivot rear end and left downside second pivot rear end be connected, the downside is taken and is evenly provided with the multiunit infiltration hole, two sets of extrusion area front end and rear end contact with second cavity front end and rear end respectively, second barrel bottom intercommunication is provided with the output tube, second barrel right-hand member intercommunication is provided with the discharging pipe.

The utility model discloses a fruit raw materials crushing apparatus is used in beverage processing still includes the first water pipe of multiunit, the first water pipe output of multiunit all communicates with first chamber, and the input intercommunication of the first water pipe of multiunit is provided with the multi-ported pipe, and multi-ported pipe input intercommunication is provided with the second water pipe, and the output of the first water pipe of multiunit all is provided with the spray board, the inside multiunit third water pipe that is provided with of spray pipe, the input of multiunit third water pipe all communicates with the input of first water pipe.

The utility model discloses a fruit raw materials crushing apparatus is used in beverage processing still includes two sets of third motors, and two sets of third motors set up respectively in first barrel bottom left side and bottom right side, and first chamber bottom left side and bottom right side all are provided with the (mixing) shaft, and two sets of (mixing) shaft bottoms are connected with two sets of third motor output ends respectively after passing first barrel bottom left side and bottom right side respectively, and two sets of (mixing) shaft lateral walls are the fixed stirring tooth that is provided with all.

The utility model discloses a fruit type raw materials crushing apparatus is used in beverage processing, first barrel top is provided with the opening, the opening inner cup is installed and is provided with the fender lid, it is provided with the third pivot to keep off the lid bottom, first motor output end passes and is connected with third pivot top after keeping off the lid, first pivot top is provided with the recess, third pivot bottom inserts to the recess in, first pivot left end upside and right-hand member upside all are provided with first connecting hole, third pivot left end upside and right-hand member upside all are provided with first thread groove, all be provided with first bolt in two sets of first connecting holes, left side first bolt right-hand member and right side first bolt left end insert to two sets of first thread grooves respectively after passing two sets of first connecting holes respectively the spiral shell.

The utility model discloses a fruit raw materials crushing apparatus is used in beverage processing keeps off lid top left side and top right side and all is provided with the second connecting hole, and first barrel top left side and top right side all are provided with the second thread groove, all are provided with the second bolt in two sets of second connecting holes, and two sets of second bolt bottoms are passed respectively behind two sets of second connecting holes respectively and are installed the spiral shell and insert to two sets of second thread inslots respectively.

The utility model discloses a fruit raw materials crushing apparatus is used in beverage processing still includes the stationary barrier, and the stationary barrier is fixed to be set up in first motor lateral wall, and the stationary barrier bottom is connected with fender lid top.

The utility model discloses a fruit raw materials crushing apparatus is used in beverage processing, transmission pipe and output tube all communicate and are provided with the valve.

The utility model discloses a fruit raw materials crushing apparatus is used in beverage processing, second barrel bottom left front side, left rear side, right front side and right rear side are all fixed and are provided with the landing leg.

Compared with the prior art, the beneficial effects of the utility model are that: the crushed fruit is conveyed into the second cavity from the conveying pipe and falls into the top end of the lower side extrusion belt, at the moment, two groups of second motors respectively drive the leftmost two groups of second rotating shafts, under the conveying action of the multiple groups of first conveying wheels and the multiple groups of first conveying belts, the upper side multiple groups of connecting shafts rotate, under the conveying action of the multiple groups of second conveying shafts and the multiple groups of second conveying belts, the lower side multiple groups of connecting shafts rotate along with the upper side multiple groups of second rotating shafts, the multiple groups of second rotating shafts rotate along with the lower side multiple groups of connecting shafts, in the process of fruit right-side conveying under the conveying action of the extrusion belt, due to the fact that the distance between the upper side multiple groups of second rotating shafts and the lower side multiple groups of second rotating shafts is reduced, the crushed fruit is extruded, juice in the fruit is conveyed downwards from the permeation hole, fruit residues and fruit seeds are remained at the top end of the lower side extrusion belt and conveyed rightwards, the fruit residues and the fruit seeds in the fruits are reduced, the re-filtering operation in the later period is reduced, and the use reliability of the equipment is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a top view of the connection structure of the second cylinder and the second shaft;

FIG. 3 is a top view of the sprinkler plate and a third water pipe;

FIG. 4 is an enlarged view of portion A of FIG. 1;

in the drawings, the reference numbers: 1. a first cylinder; 2. a first rotating shaft; 3. a crushing knife; 4. a first motor; 5. a feed pipe; 6. a conveying pipe; 7. a second cylinder; 8. a second rotating shaft; 9. extruding the belt; 10. a connecting shaft; 11. a first transfer wheel; 12. a first conveyor belt; 13. a second motor; 14. an output pipe; 15. a discharge pipe; 16. a first water pipe; 17. a second water pipe; 18. a multi-pass tube; 19. a water spray plate; 20. a third water pipe; 21. a third motor; 22. a stirring shaft; 23. stirring teeth; 24. a blocking cover; 25. a third rotating shaft; 26. a first bolt; 27. a second bolt; 28. a reinforcing frame; 29. a valve; 30. and (7) supporting legs.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the fruit raw material crushing device for beverage processing of the present invention comprises a first cylinder 1, a first cavity is arranged in the first cylinder 1, a first rotating shaft 2 is arranged in the first cavity, a plurality of groups of crushing knives 3 are fixedly arranged on the outer side wall of the first rotating shaft 2, a first motor 4 is fixedly arranged on the top end of the first cylinder 1, a feeding pipe 5 is arranged on the upper side of the left end of the first cylinder 1 in a communicating manner, and a transmission pipe 6 is arranged on the bottom end of the first cylinder 1 in a communicating manner; the device also comprises a second cylinder body 7, the second cylinder body 7 is arranged at the lower side of the first cylinder body 1, a second cavity is arranged in the second cylinder body 7, the output end of a transmission pipe 6 is communicated with the left side of the top end of the second cavity, the upper side and the lower side of the second cavity are respectively provided with a plurality of groups of second rotating shafts 8, the upper side groups of second rotating shafts 8 and the lower side groups of second rotating shafts 8 are respectively connected by an extrusion belt 9 in a transmission way, the distance between the upper side groups of second rotating shafts 8 and the lower side groups of second rotating shafts 8 is gradually reduced, the upper side and the lower side of the front end of the second cylinder body 7 are respectively provided with a plurality of groups of connecting shafts 10, the rear ends of the upper side groups of connecting shafts 10 and the rear ends of the rear side groups of connecting shafts 10 respectively penetrate through the front end of the second cylinder body 7 and are respectively connected with the front ends of the upper side groups of, the lower side multiple groups of second rotating shafts 8 are mutually connected through multiple groups of second transmission wheels and multiple groups of second conveyor belts in a transmission manner, the upper side of the rear end and the lower side of the rear end of a second cylinder 7 are respectively provided with a second motor 13, the output ends of the two groups of second motors 13 respectively penetrate through the rear end of the second cylinder 7 and then are respectively connected with the rear end of the upper left side second rotating shaft 8 and the rear end of the lower left side second rotating shaft 8, the lower side extrusion belts 9 are uniformly provided with multiple groups of penetration holes, the front ends and the rear ends of the two groups of extrusion belts 9 are respectively contacted with the front ends and the rear ends of a second cavity, the bottom end of the second cylinder 7 is communicated with an output pipe 14; the crushed fruit is conveyed into the second cavity from the conveying pipe and falls into the top end of the lower side extrusion belt, at the moment, two groups of second motors respectively drive the leftmost two groups of second rotating shafts, under the conveying action of the multiple groups of first conveying wheels and the multiple groups of first conveying belts, the upper side multiple groups of connecting shafts rotate, under the conveying action of the multiple groups of second conveying shafts and the multiple groups of second conveying belts, the lower side multiple groups of connecting shafts rotate along with the upper side multiple groups of second rotating shafts, the multiple groups of second rotating shafts rotate along with the lower side multiple groups of connecting shafts, in the process of fruit right-side conveying under the conveying action of the extrusion belt, due to the fact that the distance between the upper side multiple groups of second rotating shafts and the lower side multiple groups of second rotating shafts is reduced, the crushed fruit is extruded, juice in the fruit is conveyed downwards from the permeation hole, fruit residues and fruit seeds are remained at the top end of the lower side extrusion belt and conveyed rightwards, the fruit residues and the fruit seeds in the fruits are reduced, the re-filtering operation in the later period is reduced, and the use reliability of the equipment is improved.

The utility model discloses a fruit raw materials crushing apparatus for beverage processing still includes multiunit first water pipe 16, multiunit first water pipe 16 output all communicates with the first chamber, the input intercommunication of multiunit first water pipe 16 is provided with multi-way pipe 18, multi-way pipe 18 input intercommunication is provided with second water pipe 17, the output of multiunit first water pipe 16 all is provided with water spray plate 19, be provided with multiunit third water pipe 20 inside water spray plate 19, the input of multiunit third water pipe 20 all communicates with the input of first water pipe 16; when carrying out equipment cleaning, be originated from second water pipe input intercommunication with external water, water is transmitted respectively behind second water pipe, multi-ported pipe and the first water pipe of multiunit in the multiunit third water pipe in the water spray plate of organizing to spray to first intracavity, the area of spraying of water can be increased in the setting up of water spray plate and multiunit third water pipe, can wash first chamber, reduce being stained with of fruit and attach, increase cleaning area, improve equipment's use reliability.

The utility model discloses a fruit raw material crushing equipment for beverage processing, still include two sets of third motors 21, two sets of third motors 21 set up in the left side of first barrel 1 bottom and right side of bottom respectively, first chamber bottom left side and bottom right side all are provided with (mixing) shaft 22, two sets of (mixing) shaft 22 bottoms pass first barrel 1 bottom left side and bottom right side respectively after being connected with two sets of third motor 21 output ends respectively, two sets of (mixing) shaft 22 lateral walls all fix and are provided with stirring tooth 23; after being filled with water in the first chamber, two sets of third motors drive two sets of (mixing) shafts respectively and rotate, and the stirring tooth rotates thereupon, the stirring speed of multiplicable water increases the cleaning force simultaneously, improve equipment's use reliability.

The utility model discloses a fruit raw materials crushing apparatus for beverage processing, 1 top of first barrel is provided with the opening, the opening inner cup is provided with fender lid 24, fender lid 24 bottom is provided with third pivot 25, the output of first motor 4 is connected with third pivot 25 top after passing fender lid 24, 2 tops of first pivot are provided with the recess, third pivot 25 bottom is inserted to the recess, 2 left end upsides and right-hand member upsides of first pivot are provided with first connecting hole, 25 left end upsides and right-hand member upsides of third pivot are provided with first thread groove, all be provided with first bolt 26 in two sets of first connecting holes, 26 right-hand member of left side first bolt and 26 left end of right side first bolt pass two sets of first connecting holes respectively after respectively screw-mounting insert to two sets of first thread grooves; when the change of smashing the sword needs to be carried out, upwards mention the fender lid, rotate two sets of first bolts this moment, take out first pivot and smashing the sword downwards and change, after the change end use first bolt fasten can, improve equipment's use convenience.

The utility model discloses a fruit raw material crushing apparatus for beverage processing, the left side of the top end and the right side of the top end of the baffle cover 24 are both provided with second connecting holes, the left side of the top end and the right side of the top end of the first cylinder body 1 are both provided with second thread grooves, second bolts 27 are arranged in the two groups of second connecting holes, and the bottoms of the two groups of second bolts 27 are respectively inserted into the two groups of second thread grooves after passing through the two groups of second connecting holes; the second bolt can improve the stability between the blocking cover and the first cylinder and reduce the shaking phenomenon of the blocking cover.

The utility model discloses a fruit raw material crushing device for beverage processing, which also comprises a reinforcing frame 28, wherein the reinforcing frame 28 is fixedly arranged on the outer side wall of the first motor 4, and the bottom end of the reinforcing frame 28 is connected with the top end of the baffle cover 24; the stability of first motor can be improved in the setting of reinforcement frame.

In the fruit raw material crushing device for beverage processing of the utility model, the transmission pipe 6 and the output pipe 14 are both communicated with a valve 29; the valves may control the opening or closing of the transfer and output pipes.

The utility model discloses a fruit raw material crushing device for beverage processing, the left front side, the left rear side, the right front side and the right rear side of the bottom end of a second cylinder body 7 are all fixedly provided with supporting legs 30; the landing leg can support the second barrel, improves stability.

The utility model discloses a fruit raw material crushing apparatus for beverage processing, when using, the fruit is transmitted from the inlet pipe to the first cavity, at this time, the valve of the transmission pipe is closed, the first motor drives the first rotating shaft to rotate, the first rotating shaft drives the crushing cutter to rotate while rotating, the fruit can be cut and crushed, at this time, the valve of the transmission pipe is opened, the fruit is transmitted from the transmission pipe to the second cavity and falls into the top end of the lower side extrusion belt, at this time, two groups of second motors respectively drive the two groups of second rotating shafts at the leftmost side, under the transmission action of the groups of first transmission wheels and the groups of first transmission belts, the upper side multi-group connecting shafts rotate, under the transmission action of the groups of second transmission shafts and the groups of second transmission belts, the lower side multi-group connecting shafts rotate along with the lower side multi-group connecting shafts, the multi-group second rotating shafts rotate along with the lower side-, in the process of rightward conveying of fruits, under the condition that the distances between the upper side multiple groups of second rotating shafts and the lower side multiple groups of second rotating shafts are reduced, crushed fruits are extruded, juice in the fruits is conveyed downwards from the permeation holes, fruit residues and fruit seeds are kept at the top end of the lower side extrusion belt and conveyed rightward, and are finally output from the discharge pipe, the filtered and extruded fruit juice is output from the output pipe, the existence of the fruit residues and the fruit seeds in the fruits is reduced, in addition, when equipment is cleaned, external water is communicated from the input end of the second water pipe, the water is respectively conveyed to multiple groups of third water pipes in multiple groups of water spraying plates after passing through the second water pipe, the multi-way pipe and the multiple groups of first water pipes and is sprayed into the first cavity, the arrangement of the water spraying plates and the multiple groups of third water pipes can increase the spraying area of the water, the first cavity can be cleaned, the adhesion of the fruits is reduced, after the first cavity is filled with the water, two sets of third motors drive two sets of (mixing) shafts respectively and rotate, and the stirring tooth rotates thereupon, the stirring speed of multiplicable water, increase cleaning force simultaneously, in addition, when the change of smashing the sword needs to be carried out, upwards mention the fender lid, rotate two sets of first bolts this moment, take out first pivot and crushing sword downwards and change, use first bolt to fasten after the change, use the second bolt to keep off and fasten between lid and the first barrel.

The fruit raw material crushing equipment for beverage processing of the utility model adopts a common mechanical mode, such as an installation mode, a connection mode or a setting mode, and can be implemented as long as beneficial effects can be achieved; and its motor is from taking control module and electric wire, and plug in the electricity and can use, does not change its inner structure, and from taking the instruction manual, relevant field technical personnel accessible instruction manual uses.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A fruit raw material crushing device for beverage processing comprises a first barrel (1), wherein a first cavity is arranged in the first barrel (1), a first rotating shaft (2) is arranged in the first cavity, a plurality of groups of crushing cutters (3) are fixedly arranged on the outer side wall of the first rotating shaft (2), a first motor (4) is fixedly arranged at the top end of the first barrel (1), a feeding pipe (5) is communicated with the upper side of the left end of the first barrel (1), and a transmission pipe (6) is communicated with the bottom end of the first barrel (1); it is characterized by also comprising a second cylinder body (7), wherein the second cylinder body (7) is arranged at the lower side of the first cylinder body (1), a second cavity is arranged in the second cylinder body (7), the output end of the transmission pipe (6) is communicated with the left side of the top end of the second cavity, a plurality of groups of second rotating shafts (8) are arranged at the upper side and the lower side of the second cavity, a plurality of groups of upper second rotating shafts (8) and a plurality of groups of lower second rotating shafts (8) are in transmission connection through an extrusion belt (9), the distance between the plurality of groups of upper second rotating shafts (8) and the plurality of groups of lower second rotating shafts (8) is gradually reduced, a plurality of groups of connecting shafts (10) are arranged at the upper side and the lower side of the front end of the second cylinder body (7), the rear ends of the plurality of groups of upper connecting shafts (10) and the rear ends of the plurality of groups of rear connecting shafts (10) respectively penetrate through the front end of the second cylinder, upside multiunit second pivot (8) are connected through multiunit first transmission wheel (11) and multiunit first conveyer belt (12) transmission each other respectively, downside multiunit second pivot (8) are connected through multiunit second transmission wheel and multiunit second conveyer belt transmission each other respectively, second barrel (7) rear end upside and rear end downside all are provided with second motor (13), two sets of second motor (13) output pass respectively behind second barrel (7) rear end respectively with upper left side second pivot (8) rear end and left downside second pivot (8) rear end be connected, downside extrusion area (9) evenly are provided with multiunit infiltration hole, two sets of extrusion area (9) front end and rear end contact with second chamber front end and rear end respectively, second barrel (7) bottom intercommunication is provided with output tube (14), second barrel (7) right-hand member intercommunication is provided with discharging pipe (15).

2. The fruit raw material crushing device for beverage processing as claimed in claim 1, further comprising a plurality of groups of first water pipes (16), wherein the output ends of the plurality of groups of first water pipes (16) are all communicated with the first cavity, the input ends of the plurality of groups of first water pipes (16) are communicated with a plurality of multi-way pipes (18), the input ends of the multi-way pipes (18) are communicated with a second water pipe (17), the output ends of the plurality of groups of first water pipes (16) are all provided with a water spraying plate (19), the interior of the water spraying plate (19) is provided with a plurality of groups of third water pipes (20), and the input ends of the plurality of groups of third water pipes (20) are all communicated with the input ends of the first water pipes (16).

3. The fruit raw material crushing device for beverage processing as claimed in claim 2, further comprising two sets of third motors (21), wherein the two sets of third motors (21) are respectively arranged at the left side and the right side of the bottom end of the first cylinder (1), the left side and the right side of the bottom end of the first cavity are both provided with stirring shafts (22), the bottom ends of the two sets of stirring shafts (22) respectively penetrate through the left side and the right side of the bottom end of the first cylinder (1) and then are respectively connected with the output ends of the two sets of third motors (21), and the outer side walls of the two sets of stirring shafts (22) are both fixedly provided with stirring teeth (23).

4. The fruit raw material crushing device for beverage processing as claimed in claim 3, wherein the top end of the first cylinder (1) is provided with a through opening, the through opening is internally covered with a baffle cover (24), the bottom end of the baffle cover (24) is provided with a third rotating shaft (25), the output end of the first motor (4) passes through the baffle cover (24) and then is connected with the top end of the third rotating shaft (25), the top end of the first rotating shaft (2) is provided with a groove, the bottom end of the third rotating shaft (25) is inserted into the groove, the upper sides of the left end and the right end of the first rotating shaft (2) are provided with first connecting holes, the upper sides of the left end and the right end of the third rotating shaft (25) are provided with first thread grooves, the two groups of first connecting holes are internally provided with first bolts (26), and the right end of the left first bolt (26) and the left end of the right first bolt (26) pass through the two groups of first connecting holes respectively and.

5. The fruit raw material crushing device for beverage processing as claimed in claim 4, wherein the left side of the top end and the right side of the top end of the baffle cover (24) are provided with second connecting holes, the left side of the top end and the right side of the top end of the first cylinder (1) are provided with second threaded grooves, the two groups of second connecting holes are provided with second bolts (27), and the bottom ends of the two groups of second bolts (27) are respectively inserted into the two groups of second threaded grooves in a screw-in mode after respectively passing through the two groups of second connecting holes.

6. The fruit material pulverizing apparatus for beverage processing as claimed in claim 5, further comprising a reinforcing frame (28), wherein the reinforcing frame (28) is fixedly disposed on the outer side wall of the first motor (4), and the bottom end of the reinforcing frame (28) is connected to the top end of the blocking cover (24).

7. A fruit raw material crushing apparatus for beverage processing according to claim 6, wherein the delivery pipe (6) and the output pipe (14) are provided with valves (29) in communication.

8. The fruit material pulverizing apparatus for beverage processing as claimed in claim 7, wherein the bottom end of the second cylinder (7) is fixedly provided with legs (30) at the left front side, the left rear side, the right front side and the right rear side.

Images