CN112762683B

CN112762683B - Intelligent drying device of thing networking

Info

Publication number: CN112762683B
Application number: CN202011485592.2A
Authority: CN
Inventors: 樊礼; 梁雪婵; 王雪
Original assignee: Shenzhen Nanhua Zhongtian Technology Co ltd
Current assignee: Shenzhen Nanhua Zhongtian Technology Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2022-08-16
Anticipated expiration: 2040-12-16
Also published as: CN112762683A

Abstract

The invention discloses an intelligent internet-of-things airing device, which comprises a shell, wherein the shell comprises a storage barrel and a hopper which are integrally connected, the storage barrel is communicated with an inner cavity of the hopper through an arc-shaped notch formed in the storage barrel, an installation column is rotatably installed on the center line of the storage barrel, a plurality of throwing plates are fixedly installed on the installation column in a circumferential direction and at equal intervals, an airing table is arranged in the hopper, a third motor for driving the airing table to rotate is fixedly installed on the outer wall of the hopper, a first baffle and a second baffle are respectively rotatably installed at two ends of the airing table, a controller is installed on the shell and is in communication connection with a mobile phone, the controller of the device is in communication connection with the mobile phone of an operator through the internet of things technology, real-time weather information on the mobile phone can be obtained, agricultural products can be aired or collected according to the weather, and the intelligent internet of things is more convenient, automatic sunning and storage are carried out, degree of automation is high, and manual sunning and collection are not needed.

Description

Intelligent drying device of thing networking

Technical Field

The invention relates to a drying device, in particular to an intelligent drying device of the Internet of things.

Background

The internet of things is that any object or process needing monitoring, connection and interaction is collected in real time through various devices and technologies such as various information sensors, radio frequency identification technologies, global positioning systems, infrared sensors, laser scanners and the like, various required information such as sound, light, heat, electricity, mechanics, chemistry, biology, positions and the like is collected, ubiquitous connection of objects and objects, and ubiquitous connection of objects and people are realized through various possible network accesses, and intelligent sensing, identification and management of the objects and the processes are realized. The internet of things is an information bearer based on the internet, a traditional telecommunication network and the like, and all common physical objects which can be independently addressed form an interconnected network.

Among the farming, after the crops results, need carry out the sunning then just can save, current drying device simple structure, the function is single, only can provide the sunning platform, needs the manual sunning of taking out and manual collection, and work load is big, and work efficiency is low.

Disclosure of Invention

The invention aims to provide an intelligent drying device of the Internet of things, and aims to solve the problems.

In order to achieve the purpose, the invention provides the following technical scheme:

an intelligent drying device of the Internet of things comprises a shell, wherein supporting legs are uniformly and symmetrically and fixedly installed at the bottom of the shell, the shell comprises a storage barrel body and a hopper which are integrally connected, the storage barrel body is communicated with an inner cavity of the hopper through an arc-shaped notch formed in the storage barrel body, one end of the arc-shaped notch extends to the top of the storage barrel body, the top of the hopper is provided with an opening, the bottom of the hopper is obliquely and downwards arranged towards one side of the storage barrel body, a screen is installed at the bottom of the hopper, the top of the storage barrel body is integrally provided with a cover plate, one end, away from the storage barrel body, of the cover plate is obliquely and upwards extended, an installation column is rotatably installed on a central line of the storage barrel body, a sixth motor for driving the connection of the installation column is fixedly installed on the outer end wall of the storage barrel body, a plurality of throwing plates are fixedly installed on the installation column in an equidistance in the axial direction, the peripheral walls of the throwing plates are attached to the inner wall of the storage barrel body, and a drying platform is arranged in the hopper, the drying table comprises a drying table body, wherein the front end wall and the rear end wall of the drying table body are attached to the inner walls of the front side and the rear side of a material storage hopper, a third motor used for driving the drying table body to rotate is fixedly mounted on the outer wall of the material storage hopper body, a mounting cavity is arranged in the drying table body, a first motor is fixedly mounted in the middle of the bottom of the mounting cavity, a disc is fixedly mounted on an output shaft of the first motor, two first connecting rods are eccentrically hinged to different positions on the upper surface of the disc, one ends, far away from the disc, of the two first connecting rods are hinged to a connecting block, a second connecting rod is hinged to the connecting block, a first baffle and a second baffle are rotatably mounted at two ends of the drying table body respectively, the first baffle is located at one end, far away from a storage barrel body, of the second baffle, close to the storage barrel body, are fixedly provided with an electric push rod, an expansion plate is fixed on a telescopic rod of the electric push rod, the two second connecting rods are hinged to the first baffle and the second baffle respectively, the first baffle, Sealing strips are respectively arranged among the airing platform, the second baffle and the hopper, a controller is installed on the shell and is in communication connection with the mobile phone, and the first motor, the second motor, the third motor, the fourth motor, the fifth motor, the sixth motor and the electric push rod are respectively and electrically connected with the controller.

On the basis of the technical scheme, the invention also provides the following optional technical scheme:

in one alternative: the controller is a single chip microcomputer.

In one alternative: and a vibration beating unit for beating the screen mesh to vibrate is arranged at the bottom of the hopper.

In one alternative: the vibrating unit comprises a fifth motor, a rotary table, a swing rod and a rubber hammer, the fifth motor is fixedly installed at the bottom of the hopper, the rotary table is fixedly installed on an output shaft of the fifth motor, the front side of the rotary table is connected with the swing rod in a matched mode, a pin shaft is fixed to the outer ring of the end face of the rotary table, a sliding groove for the pin shaft to insert and move is formed in the swing rod, the top end of the swing rod is hinged to the bottom of the hopper, and the rubber hammer for knocking the screen mesh is fixedly installed at the bottom end of the swing rod.

In one alternative: hopper bottom is equipped with the L template, and the logical groove that penetrates at the vertical plate section top that supplies the L template is seted up to the hopper bottom, and the hopper bottom is fixed with the guide bar, and the guide bar runs through the horizontal plate section of L template and extends to its below, and the part cover that the guide bar is located L template below is equipped with compression spring, compression spring bottom and guide bar fixed connection, compression spring top and L template fixed connection are fixed with the water collecting bucket on the L template.

In one alternative: sunning bench surface is equipped with the subassembly of shakeouts, the subassembly of shakeouts includes second motor, reciprocal lead screw, internal thread cover and the harrow of shakeout, reciprocal lead screw rotates to be installed in sunning bench surface, and second motor fixed mounting is in sunning bench surface and the reciprocal lead screw of drive connection, and threaded connection has the internal thread cover on the reciprocal lead screw, and fixed mounting has the harrow of shakeout on the internal thread cover.

In one alternative: the material of throwing the board is elastic material, storage barrel body top left side position fixed mounting has the fourth motor, and fixed mounting has the cam on the output shaft of fourth motor, and the plush copper of cam extends to in the storage barrel body.

Compared with the prior art, the invention has the following beneficial effects:

1. through the technology of the Internet of things, a controller of the device is in communication connection with a mobile phone of a worker, real-time weather information on the mobile phone can be acquired, and agricultural products can be aired or collected according to weather, so that the device is more intelligent and more convenient;

2. the drying machine is provided with a shell, a throwing plate, a drying platform, a third motor, a first baffle plate, a second baffle plate, a first connecting rod and a second connecting rod, a sixth motor is started and drives a mounting column to rotate, the mounting column drives the throwing plate to rotate, the throwing plate drives crops to move, when the crops move to the upper part of an inner cavity of a storage cylinder, an initial speed is obtained under the thrust of a centrifugal force and a push plate, the crops fly to the drying platform along a parabola to fall to the upper surface of the drying platform, then the crops are flatly paved on the upper surface of the drying platform through a flattening assembly for drying, before raining, the drying platform is driven to rotate to an inclined state through the third motor, a disc is driven to rotate through the first motor, the disc drives a connecting block to move through the first connecting rod, the connecting block drives the first baffle plate and the second baffle plate to rotate through the second connecting rod, then the expanding plate is driven to extend to the upper part of a cover plate through an electric push rod, the crops on the drying platform slide into a hopper, then enter into storage barrel along hopper inner chamber bottom and save, degree of automation is high, does not need artifical manual sunning and collection.

Drawings

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

Fig. 2 is a schematic structural diagram of the first embodiment of the present invention in another state.

Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a third embodiment of the present invention.

Notations for reference numerals: 1-shell, 2-first baffle, 3-second connecting rod, 4-reciprocating screw rod, 5-first connecting rod, 6-disc, 7-first motor, 8-internal thread sleeve, 9-spreading rake, 10-second motor, 11-cover plate, 12-polishing plate, 13-second baffle, 14-electric push rod, 15-spreading plate, 16-storage cylinder, 17-mounting column, 18-screen, 19-rubber hammer, 20-rotary table, 21-swing rod, 22-third motor, 23-drying table, 24-water collecting hopper, 25-L type plate, 26-guide rod, 27-compression spring, 28-fourth motor and 29-cam.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by the same reference numerals, and wherein, in practice, the shape, thickness or height of the various elements may be increased or decreased. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.

Example 1

Referring to fig. 1-2, in the embodiment of the invention, an internet of things intelligent airing device comprises a housing 1, wherein supporting legs are uniformly and symmetrically and fixedly installed at the bottom of the housing 1, rollers can be selectively installed at the bottom ends of the supporting legs, the device is convenient to move, the housing 1 comprises a storage cylinder 16 and a hopper which are integrally connected, the storage cylinder 16 is communicated with an inner cavity of the hopper through an arc-shaped notch formed in the storage cylinder 16, one end of the arc-shaped notch extends to the top of the storage cylinder 16, the top of the hopper is open, the bottom of the hopper is obliquely arranged downwards towards one side of the storage cylinder 16, a screen 18 is installed at the bottom of the hopper, further, a vibration striking unit for striking the screen 18 to vibrate is installed at the bottom of the hopper and comprises a fifth motor, a rotary table 20, a swing rod 21 and a rubber hammer 19, the fifth motor is fixedly installed at the bottom of the hopper, the rotary table 20 is fixedly installed on an output shaft of the fifth motor, the front side of the rotary table 20 is connected with a swing rod 21 in a matching manner, a pin shaft is fixed on the outer ring of the end face of the rotary table 20, a sliding groove for a pin shaft to insert and move is formed in the swing rod 21, the top end of the swing rod 21 is hinged with the bottom of a hopper, a rubber hammer 19 for knocking the screen 18 is fixedly installed at the bottom end of the swing rod 21, when the rotary table is in work, a fifth motor is started and drives the rotary table 20 to rotate, the rotary table 20 drives the pin shaft to revolve, the pin shaft slides in the sliding groove to drive the swing rod 21 to swing back and forth, the swing rod 21 drives the pendulum to repeatedly knock the screen 18, so that the screen 18 vibrates, sand and dust in crops can be screened out, the screen 18 can also prevent rainwater from flowing into the storage cylinder from the bottom of the hopper, furthermore, a cover plate 11 is integrally arranged at the top of the storage cylinder 16, one end, far away from the storage cylinder 16, of the cover plate 11 extends obliquely upwards, and a mounting column 17 is rotatably installed on the central line of the storage cylinder 16, a sixth motor which is in driving connection with the mounting column 17 is fixedly mounted on the outer end wall of the storage cylinder 16, in this embodiment, an output shaft of the sixth motor is fixedly connected with the mounting column 17 through a coupler, a plurality of throwing plates 12 are fixedly mounted on the mounting column 17 in an annular equidistant manner, and the peripheral wall of each throwing plate 12 is attached to the inner wall of the storage cylinder 16;

further, a drying platform 23 is arranged in the hopper, the front end wall and the rear end wall of the drying platform 23 are attached to the front inner wall and the rear inner wall of the storage hopper, a flattening assembly is arranged on the upper surface of the drying platform 23 and comprises a second motor 10, a reciprocating screw rod 4, an internal thread sleeve 8 and a flattening rake 9, the reciprocating screw rod 4 is rotatably arranged on the upper surface of the drying platform 23, the second motor 10 is fixedly arranged on the upper surface of the drying platform 23 and is in driving connection with the reciprocating screw rod 4, the reciprocating screw rod 4 is in threaded connection with the internal thread sleeve 8, the flattening rake 9 is fixedly arranged on the internal thread sleeve 8, the second motor 10 drives the reciprocating screw rod 4 to rotate, the reciprocating screw rod 4 drives the internal thread sleeve 8 to reciprocate, the internal thread sleeve 8 drives the flattening rake 9 to reciprocate, crops can be flattened and turned, and the drying effect is improved;

furthermore, a third motor 22 for driving the drying table 23 to rotate is fixedly installed on the outer wall of the hopper, in this embodiment, an output shaft of the third motor 22 extends into the hopper and is fixedly connected with the drying table 23, an installation cavity is arranged in the drying table 23, a first motor 7 is fixedly installed in the middle of the bottom of the installation cavity, a disc 6 is fixedly installed on the output shaft of the first motor 7, two first connecting rods 5 are eccentrically hinged to different positions of the upper surface of the disc 6, connecting blocks are hinged to one ends of the two first connecting rods 5, which are far away from the disc 6, and a second connecting rod 3 is hinged to the connecting blocks, a first baffle 2 and a second baffle 13 are respectively rotatably installed at two ends of the drying table 23, the first baffle 2 is located at one end of the drying table 23, which is far away from the storage cylinder 16, as shown in fig. 1, during drying, the top end of the first baffle 2 is higher than the upper surface of the drying table 23, and the top end of the second baffle 13 is not higher than the upper surface of the drying table 23, an electric push rod 14 is fixed on one side of the second baffle 13 close to the storage barrel 16, an expansion plate 15 is fixed on a telescopic rod of the electric push rod 14, the two second connecting rods 3 are respectively hinged with the first baffle 2 and the second baffle 13, when airing is needed, a sixth motor is started and drives a mounting column 17 to rotate, the mounting column 17 drives the throwing plate 12 to rotate, the throwing plate 12 drives crops to move, when the crops move to the upper part of the inner cavity of the storage barrel 16, initial speed is obtained under centrifugal force and thrust of a push plate, the crops fly to the airing platform 23 along a parabola and fall onto the upper surface of the airing platform 23, then the crops are flatly paved on the upper surface of the airing platform 23 through a flattening component for airing, before raining, as shown in figure 2, the airing platform 23 is driven to rotate to an inclined state through the third motor 22, preferably, an included angle between the airing platform 23 and the horizontal plane in the inclined state is 30-40 degrees, drive disc 6 through first motor 7 and rotate, disc 6 drives the connecting block motion through first connecting rod 5, and the connecting block drives first baffle 2 and second baffle 13 through second connecting rod 3 and rotates, then drives expansion board 15 through electric putter 14 and extends to apron 11 top, be equipped with the sealing strip between first baffle 2, sunning platform 23, second baffle 13 and the hopper respectively, prevent leaking, the crops landing of sunning platform 23 is to the hopper in, then get into storage barrel 16 along hopper inner chamber bottom and store, and degree of automation is high, does not need artifical manual sunning and collection, and is further, install the controller on casing 1, the controller is preferably the singlechip, through internet of things, and the controller is connected with staff's cell-phone communication, first motor 7, second motor 10, third motor 22, fourth motor 28, The fifth motor, the sixth motor and the electric push rod 14 are respectively electrically connected with the controller, the controller can acquire real-time weather information on the mobile phone, and airing or agricultural products can be collected according to weather.

Example 2

Referring to fig. 3, the embodiment of the present invention is different from embodiment 1 in that, in order to further prevent rainwater from flowing into the storage cylinder 16 along the bottom of the hopper during heavy rain, an L-shaped plate 25 is disposed at the bottom of the hopper, a through groove for allowing the top of a vertical plate section of the L-shaped plate 25 to penetrate is disposed at the bottom of the hopper, a guide rod 26 is fixed at the bottom of the hopper, the guide rod 26 penetrates through a horizontal plate section of the L-shaped plate 25 and extends to the lower side of the horizontal plate section, a compression spring 27 is sleeved on a portion of the guide rod 26 located below the L-shaped plate 25, the bottom end of the compression spring 27 is fixedly connected with the guide rod 26, the top end of the compression spring 27 is fixedly connected with the L-shaped plate 25, a water collection bucket 24 is fixed on the L-shaped plate 25, a water leakage hole with a diameter of 0.5cm is disposed at the bottom of the water collection bucket 24, in sunny days, the elastic force of the spring is not less than the sum of the gravity of the L-shaped plate 25 and the gravity of the water collection bucket 24, the top of the vertical plate section of the L-shaped plate 25 seals the through groove, and when the rain is heavy rain, a large amount of accumulated water in the water collecting hopper 24 descends under the gravity, the through groove is opened, a large amount of water flows out from the through groove, and a good drainage effect is achieved.

Example 3

Referring to fig. 4, based on the embodiment 2, the throwing plate 12 is made of an elastic material, the fourth motor 28 is fixedly mounted at the left side of the top of the storage cylinder 16, the cam 29 is fixedly mounted on the output shaft of the fourth motor 28, the protruding head of the cam 29 extends into the storage cylinder 16, when the throwing plate 12 rotates to the position of the cam 29, the throwing plate is blocked by the protruding head of the cam 29 to deform, and then the throwing plate is separated from the cam 29 to generate an elastic force to further push the crops, so that the cam 29 can be driven by the fourth motor 28 to rotate to adjust the position of the protruding head, and further the deformation amount of the throwing plate 12 can be adjusted to adapt to the crops with different weights.

The working principle of the invention is as follows: as shown in fig. 1, during airing, the top end of the first baffle 2 is higher than the upper surface of the airing table 23, the top end of the second baffle 13 is not higher than the upper surface of the airing table 23, one side of the second baffle 13 close to the storage barrel 16 is fixed with an electric push rod 14, a telescopic rod of the electric push rod 14 is fixed with an expansion plate 15, two second connecting rods 3 are respectively hinged with the first baffle 2 and the second baffle 13, when airing is required, a sixth motor is started, the sixth motor drives the mounting column 17 to rotate, the mounting column 17 drives the throwing plate 12 to rotate, the throwing plate 12 drives crops to move, when the crops move to the upper part of the inner cavity of the storage barrel 16, an initial speed is obtained under the centrifugal force and the thrust of the pushing plate, the crops fly to the airing table 23 along the parabola and fall to the upper surface of the airing table 23, then the crops are spread on the upper surface of the airing table 23 through the spreading assembly for airing, before raining, as shown in fig. 2, the airing table 23 is driven to rotate to an inclined state through the third motor 22, the included angle between the airing table 23 and the horizontal plane in the preferred inclined state is 30-40 degrees, and the disc 6 is driven to rotate through the first motor 7, and the disc 6 drives the connecting block to move through the first connecting rod 5, and the connecting block drives the first baffle 2 and the second baffle 13 to rotate through the second connecting rod 3, then drives the expansion plate 15 through the electric putter 14 and extends to the top of the cover plate 11, be equipped with the sealing strip between the first baffle 2, the airing table 23, the second baffle 13 and the hopper respectively, prevent to leak, and the crops on the airing table 23 slide down to the hopper in, then store in getting into the storage barrel 16 along the bottom of the hopper inner chamber, degree of automation is high, does not need artifical manual sunning and collection.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. The utility model provides an intelligence drying device of thing networking, includes casing (1), the even symmetry fixed mounting in casing (1) bottom has the supporting leg, its characterized in that, storage barrel (16) and hopper that the integral type is connected are drawn together to casing (1), and storage barrel (16) communicate with the hopper inner chamber through the arc breach of seting up on it, and the one end of arc breach extends to storage barrel (16) top, hopper open-top, hopper bottom set up to storage barrel (16) one side slant downwards, and screen cloth (18) are installed to the hopper bottom, storage barrel (16) top integral type is equipped with apron (11), and the one end that storage barrel (16) was kept away from to apron (11) extends upwards to one side, install erection column (17) on the central line of storage barrel (16) rotation, fixedly mounted has the sixth motor of drive connection erection column (17) on storage barrel (16) outer end wall, a plurality of throwing plates (12) are fixedly arranged on the mounting column (17) in a circumferential direction at equal intervals, the peripheral walls of the throwing plates (12) are attached to the inner wall of the storage cylinder body (16), a drying platform (23) is arranged in the hopper, the front and rear end walls of the drying platform (23) are attached to the inner walls of the front and rear sides of the storage hopper, a third motor (22) for driving the drying platform (23) to rotate is fixedly arranged on the outer wall of the hopper, a mounting cavity is arranged in the drying platform (23), a first motor (7) is fixedly arranged in the middle of the bottom of the mounting cavity, a disc (6) is fixedly arranged on an output shaft of the first motor (7), two first connecting rods (5) are eccentrically hinged to different positions of the upper surface of the disc (6), one ends, far away from the disc (6), of the two first connecting rods (5) are hinged to connecting blocks, a second connecting rod (3) is hinged to the connecting blocks, and first baffle plates (2) and a second baffle (13) are respectively rotatably arranged at two ends of the drying platform (23), first baffle (2) are located the one end that the storage barrel body (16) was kept away from in sunning platform (23), one side that second baffle (13) are close to storage barrel body (16) is fixed with electric putter (14), is fixed with expansion board (15) on electric putter's (14) telescopic link, and two second connecting rods (3) are articulated with first baffle (2) and second baffle (13) respectively, be equipped with the sealing strip between first baffle (2), sunning platform (23), second baffle (13) and the hopper respectively, install the controller on casing (1), the controller is connected with the cell-phone communication, first motor (7), second motor (10), third motor (22), fourth motor (28), fifth motor, sixth motor and electric putter (14) are connected with the controller electricity respectively.

2. The intelligent drying device of internet of things of claim 1, wherein the controller is a single chip microcomputer.

3. The intelligent drying device for the Internet of things as claimed in claim 1, wherein a vibration unit for knocking the screen (18) to vibrate is mounted at the bottom of the hopper.

4. The intelligent drying device of thing networking of claim 3, characterized in that, the unit of shaking of beating includes fifth motor, carousel (20), pendulum rod (21) and rubber hammer (19), fifth motor fixed mounting is in the hopper bottom, fixed mounting has carousel (20) on the output shaft of fifth motor, and carousel (20) front side cooperation is connected with pendulum rod (21), and carousel (20) terminal surface outer lane is fixed with the round pin axle, offers the spout that supplies the round pin axle to insert and move on pendulum rod (21), and pendulum rod (21) top is articulated with the hopper bottom, and pendulum rod (21) bottom fixed mounting has rubber hammer (19) that are used for knocking screen cloth (18).

5. The intelligent drying device of internet of things of claim 1, wherein the bottom of the hopper is provided with an L-shaped plate (25), the bottom of the hopper is provided with a through groove for the top of a vertical plate section of the L-shaped plate (25) to penetrate, a guide rod (26) is fixed at the bottom of the hopper, the guide rod (26) penetrates through a horizontal plate section of the L-shaped plate (25) and extends to the lower part of the horizontal plate section, a compression spring (27) is sleeved on a part of the guide rod (26) located below the L-shaped plate (25), the bottom end of the compression spring (27) is fixedly connected with the guide rod (26), the top end of the compression spring (27) is fixedly connected with the L-shaped plate (25), and a water collecting hopper (24) is fixed on the L-shaped plate (25).

6. The Internet of things intelligent airing device according to any one of claims 1 to 5, wherein a flattening assembly is arranged on the upper surface of the airing platform (23), the flattening assembly comprises a second motor (10), a reciprocating screw rod (4), an internal thread sleeve (8) and a flattening rake (9), the reciprocating screw rod (4) is rotatably mounted on the upper surface of the airing platform (23), the second motor (10) is fixedly mounted on the upper surface of the airing platform (23) and is in driving connection with the reciprocating screw rod (4), the reciprocating screw rod (4) is in threaded connection with the internal thread sleeve (8), and the flattening rake (9) is fixedly mounted on the internal thread sleeve (8).

7. The internet of things intelligent airing device of claim 1, wherein the throwing plate (12) is made of an elastic material, a fourth motor (28) is fixedly mounted at the left side of the top of the storage cylinder body (16), a cam (29) is fixedly mounted on an output shaft of the fourth motor (28), and a raised head of the cam (29) extends into the storage cylinder body (16).