阅读说明：本技术 一种具有去除异味结构的环保型废弃物焚烧装置 (Environment-friendly waste incineration device with peculiar smell structure gets rid of ) 是由 蒋涛涛 于 2021-09-06 设计创作，主要内容包括：本发明涉及废弃物焚烧技术领域,具体涉及一种具有去除异味结构的环保型废弃物焚烧装置,包括焚烧装置主体,所述焚烧装置主体包括安装台,所述安装台的顶端固定安装有焚烧箱,所述焚烧箱内部的一侧通过轴承转动连接有转动杆,所述转动杆的表面固定安装有主动齿轮,所述主动齿轮的一侧啮合安装有从动齿轮,所述从动齿轮的一侧固定连接有丝杆。本发明通过设置有活动筒和拨动板,活动筒会带动拨动板移动,从而将丢进焚烧箱内部的焚烧物摊开,便于焚烧物进行充分且快速地燃烧,使焚烧装置主体便于使用,解决了现有的焚烧物丢进焚烧装置内部后,焚烧物会堆积在焚烧装置内部,堆积在一起的焚烧物很难快速并充分地燃烧,降低了焚烧的效率和质量的问题。(The invention relates to the technical field of waste incineration, in particular to an environment-friendly waste incineration device with a peculiar smell removing structure, which comprises an incineration device main body, wherein the incineration device main body comprises an installation platform, an incineration box is fixedly installed at the top end of the installation platform, a rotating rod is rotatably connected to one side in the incineration box through a bearing, a driving gear is fixedly installed on the surface of the rotating rod, a driven gear is installed on one side of the driving gear in a meshed mode, and a lead screw is fixedly connected to one side of the driven gear. The movable cylinder and the poking plate are arranged, the movable cylinder can drive the poking plate to move, so that the incineration materials thrown into the incineration box are spread out, the incineration materials can be combusted fully and quickly, the main body of the incineration device is convenient to use, and the problems that after the existing incineration materials are thrown into the incineration device, the incineration materials can be accumulated in the incineration device, the accumulated incineration materials are difficult to burn quickly and fully, and the incineration efficiency and quality are reduced are solved.)

1. The utility model provides an environment-friendly waste incineration device with get rid of peculiar smell structure, includes incineration device main part (100), its characterized in that: the incineration device main body (100) comprises an installation table (110), the top fixed mounting of installation table (110) has incineration case (111), the inside one side of incineration case (111) is connected with dwang (134) through the bearing rotation, the fixed surface of dwang (134) installs driving gear (135), driven gear (136) are installed in one side meshing of driving gear (135), one side fixedly connected with lead screw (137) of driven gear (136), the one end that driven gear (136) were kept away from in lead screw (137) is passed through the bearing and is connected with the inner wall rotation of incineration case (111), movable section of thick bamboo (138) is installed to the surface thread of lead screw (137), guide way (139) have been seted up to the one side of incineration case (111), the inside slidable mounting of guide way (139) has guide block (140), the one side and guide block (140) fixed connection of movable section of thick bamboo (138), one side of the movable cylinder (138) is fixedly connected with a poking plate (141), the bottom end of the poking plate (141) is uniformly and fixedly connected with a poking rod (144), and one end of the rotating rod (134) is fixedly provided with a control handle (146).

2. The environment-friendly waste incineration device with an odor removing structure as claimed in claim 1, wherein: the utility model discloses a burning box, including mount table (110), burning box (111), top fixed mounting has support column (112), the front of burning box (111) is inlayed and is installed visual window (114), the top fixed mounting who burns box (111) has inlet pipe (115), burn one side fixedly connected with first breather pipe (116) on box (111) top, the top fixed mounting of first breather pipe (116) has treatment box (117), the inside fixed mounting who handles box (117) has storage screen shell (131), one side of storing screen shell (131) is inserted and is installed sealing plug (132), the top fixedly connected with second breather pipe (118) of handling box (117), burn bottom fixedly connected with discharging pipe (119) of box (111), fixed mounting has mounting panel (113) between mount table (110) bottom support column (112), first spout (121) have all been seted up to the both sides on mounting panel (113) top, a first sliding block (122) is slidably mounted inside the first sliding groove (121), a collecting box (123) is fixedly mounted at the top end of the first sliding block (122), and an ash leakage groove (120) is formed in the top end of the mounting table (110).

3. The environment-friendly waste incineration device with an odor removing structure as claimed in claim 1, wherein: a second sliding groove (142) is formed in one surface of the interior of the incineration box (111), a second sliding block (143) is installed in the second sliding groove (142) in a sliding mode, and one surface of the stirring plate (141) is fixedly connected with one surface of the second sliding block (143).

4. The environment-friendly waste incineration device with an odor removing structure as claimed in claim 1, wherein: burn the positive fixed mounting of case (111) and have firm subassembly (200), firm subassembly (200) are including hollow block (210), the back of hollow block (210) and the positive fixed connection who burns case (111), the inside fixedly connected with spring (211) of hollow block (210), the one end fixed mounting of spring (211) has connecting rod (212), the one end fixed mounting of connecting rod (212) has connecting plate (213), the one side fixed phase of connecting plate (213) even has firm pole (214), spacing groove (215) have been seted up in the front of burning case (111), jack (216) have been seted up to the one side of control (146).

5. The environment-friendly waste incineration device with an odor removing structure as claimed in claim 2, wherein: a first magnet (124) is fixedly installed on one side of the supporting column (112), and a second magnet (125) is fixedly installed on one side, close to the first magnet (124), of the collecting box (123).

6. The environment-friendly waste incineration device with an odor removing structure as claimed in claim 2, wherein: the filter box (126) is installed at the top end inside the collection box (123), through holes (127) are uniformly formed in the bottom end of the filter box (126), and extension plates (128) are fixedly installed at the top ends of two sides of the filter box (126).

7. The environment-friendly waste incineration device with an odor removing structure as claimed in claim 6, wherein: plug-in grooves (129) have all been seted up to the both sides on collecting box (123) top, gag lever post (130) are installed in running through to the top of extension board (128).

8. The environment-friendly waste incineration device with an odor removing structure as claimed in claim 2, wherein: and a sealing ring (133) is sleeved and mounted on the surface of the sealing plug (132).

9. The environment-friendly waste incineration device with an odor removing structure as claimed in claim 1, wherein: and a convex block (145) is fixedly arranged between the poke rods (144) at the bottom ends of the poke plates (141).

Technical Field

The invention relates to the technical field of waste incineration, in particular to an environment-friendly waste incineration device with a peculiar smell removing structure.

Background

Agricultural wastes are a general term of wastes discharged in agricultural production, agricultural product processing, livestock and poultry breeding industry and rural residents, agricultural straws can be used for preparing methane and become agricultural organic fertilizers, and are also used as coarse feed for raising livestock and fencing bedding materials, livestock and poultry excrement and fencing bedding materials are paved, or chopped straws are mixed with a proper amount of human and livestock excrement and urine to be subjected to high-temperature composting, pathogenic bacteria and parasitic ova in the human and livestock excrement can be greatly killed, plant pests hidden in various straws and various weed seeds and the like through short-term fermentation, then the straws are put into a methane tank to be fermented to generate the methane, the treatment method can provide methane fuel, high-quality organic fertilizers can be obtained, the manure is subjected to sealing treatment, flies can be prevented from breeding, the treatment method is widely applied in rural areas in China, and various existing incineration devices are inconvenient to use, for example, the device is disclosed in CN201710657923.8, and is characterized in that one side of the rotating plate is fixedly connected with an output shaft of a first motor, the middle part of the top plate is slidably connected with the output shaft of the first motor through a groove, one side of the top plate is fixedly connected with a fixed plate, the top plate is provided with a sliding groove, the inner surface of the sliding groove is slidably connected with a sliding rod, the surface of the sliding rod is slidably connected with the rotating plate through a through groove, the bottom end of the sliding rod is fixedly connected with a connecting plate, the bottom of the connecting plate sequentially penetrates through a top box, a box body and an adsorption box and extends into the adsorption box, the bottom of the connecting plate is fixedly connected with a filter plate, so that pollutants with larger particles in the smoke can be effectively adsorbed and filtered, the smoke can be fully filtered, and the waste of time is greatly reduced, the working efficiency is improved, but the following problems still exist.

The existing incineration device has a single structure, after the incineration materials are thrown into the incineration device, the incineration materials can be accumulated in the incineration device, the accumulated incineration materials are difficult to burn quickly and fully, the incineration efficiency and quality are reduced, and therefore, the environment-friendly waste incineration device with the odor removing structure is required to be designed to solve the problems.

Disclosure of Invention

The invention aims to provide an environment-friendly waste incineration device with a peculiar smell removing structure, which aims to solve the problems that the existing incineration device in the background art has a single structure, incinerated substances are accumulated in the incineration device after being thrown into the incineration device, the accumulated incinerated substances are difficult to burn quickly and fully, and the incineration efficiency and quality are reduced.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an environment-friendly waste incineration device with get rid of peculiar smell structure, includes burns the device main part, it includes the mount table to burn the device main part, the top fixed mounting of mount table has burns the case, it is connected with the dwang through the bearing rotation to burn one side of incasement portion, the fixed surface of dwang installs the driving gear, driven gear is installed in one side meshing of driving gear, one side fixedly connected with lead screw of driven gear, the lead screw is kept away from driven gear's one end and is passed through the bearing and burn the inner wall of case and rotate and be connected, the surface thread of lead screw installs a movable cylinder, the guide way has been seted up to the one side of burning the case, the inside slidable mounting of guide way has the guide block, the one side and the guide block fixed connection of movable cylinder, the one side fixedly connected with of movable cylinder dials the board, the even fixedly connected with in bottom of dialling the board dials the pole, one end fixed mounting of dwang has the control.

Preferably, the bottom end of the mounting table is fixedly provided with a supporting column, the front surface of the incineration box is embedded with a visual window, the top end of the burning box is fixedly provided with a feeding pipe, one side of the top end of the burning box is fixedly connected with a first vent pipe, the top end of the first vent pipe is fixedly provided with a processing box, the inside of the processing box is fixedly provided with a storage reticulated shell, one side of the storage reticulated shell is inserted and provided with a sealing plug, the top end of the processing box is fixedly connected with a second vent pipe, the bottom end of the incineration box is fixedly connected with a discharge pipe, a mounting plate is fixedly arranged between supporting columns at the bottom of the mounting table, the two sides of the top end of the mounting plate are both provided with first sliding chutes, the first sliding blocks are arranged inside the first sliding chutes in a sliding way, the top end of the first sliding block is fixedly provided with a collecting box, and the top end of the mounting table is provided with an ash leakage groove.

Preferably, a second sliding groove is formed in one surface of the interior of the incineration box, a second sliding block is slidably mounted in the second sliding groove, and one surface of the stirring plate is fixedly connected with one surface of the second sliding block.

Preferably, the front fixed mounting who burns the case has firm subassembly, firm subassembly includes hollow block, the back of hollow block and the front fixed connection who burns the case, the inside fixedly connected with spring of hollow block, the one end fixed mounting of spring has the connecting rod, the one end fixed mounting of connecting rod has the connecting plate, the one side fixed phase of connecting plate even has firm pole, burn the front of case and seted up the spacing groove, the jack has been seted up to the one side of control handle.

Preferably, a first magnet is fixedly mounted on one side of the supporting column, and a second magnet is fixedly mounted on one side of the collecting box close to the first magnet.

Preferably, the filter box is installed on the inside top of collecting box, the through-hole has evenly been seted up to the bottom of filter box, the top of filter box both sides is all fixed mounting has the extension board.

Preferably, the inserting grooves are formed in the two sides of the top end of the collecting box, and the top end of the extending plate is provided with a limiting rod in a penetrating mode.

Preferably, a sealing ring is sleeved on the surface of the sealing plug.

Preferably, a bump is fixedly arranged between the poke rods at the bottom ends of the poke plates.

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

1. through being provided with movable cylinder and stirring board, movable cylinder can drive stirring board and remove to will throw into the thing of burning incasement portion and spread out, be convenient for burn the thing and carry out abundant and quick burning, make and burn device main part convenient to use, solved current thing of burning and lost into the inside back of burning device, it can pile up inside burning device to burn the thing, piles up burning the thing together and hardly burn fast and fully, has reduced the problem of the efficiency and the quality of burning.

2. Through being provided with hollow block, spring, connecting rod, connecting plate, stabilizing rod, spacing groove and jack, the pulling force of spring acts on the connecting rod to make the connecting rod hold the connecting plate, make the one end of stabilizing rod stably locate in the spacing inslot portion, and pass the jack, thereby make the control can not take place easily to rotate when receiving external force, in order to avoid the influence to burn the thing and burn, make to burn the more convenient to use of device main part, improved the convenience when burning the device main part and using.

3. Through being provided with second spout and second slider, the second slider slides in the inside of second spout to make the stirring board can remove more steadily, through being provided with the sealing washer, the sealing washer is made by the rubber material, has played certain sealed effect, makes the active carbon can not spill over from storing the cell-shell inside.

4. Through being provided with the discharging pipe, the mounting panel, first spout, first slider and collecting box, the ashes that produce after burning can spill to the collecting box inside through the discharging pipe, the collecting box is collected the dust, follow the inside roll-off of first spout with first slider again, just can take out the collecting box from the mounting panel, the staff of being convenient for will burn the dust of incasement portion and dispose, make and burn the device main part and more convenient to use, through being provided with first magnet and second magnet, the one side that first magnet and second magnet are close to each other is opposite magnetic pole, fix the collecting box when first magnet and second magnet inter attraction, make the collecting box can be in mounting panel upper portion steadily, make the collecting box more stable at the in-process of collecting the dust, thereby further improved the convenience when burning the device main part and using.

5. Through being provided with the sealing plug, the surface of sealing plug cup joints and installs the sealing washer, and the sealing washer is made by the rubber material, has played certain sealed effect, makes the active carbon can not spill over from storing the inside of net shell, through being provided with the lug, and the lug makes can not take place easily to block up between two poker rods to make the device main part convenient to use more.

6. Through being provided with gag lever post, inserting groove, rose box and extension board, the gag lever post is in the inserting groove to make the extension board can not take place to squint by a wide margin, thereby improved the stability of rose box.

7. Through being provided with through-hole and collecting box, the through-hole filters great impurity not burnt to the greatest extent, and the dust particle drops to the inside bottom of collecting box, has played rapid filtration's effect, has further improved the convenience when burning the device main part and using.

Drawings

FIG. 1 is a schematic partial front view of the structure of the present invention;

FIG. 2 is a schematic top sectional view of the incineration tank structure of the invention;

FIG. 3 is a schematic sectional elevation view of the collection box structure of the present invention;

FIG. 4 is an enlarged sectional front view of the structure of the treatment tank of the present invention;

FIG. 5 is a partial side sectional view of the lead screw and toggle plate configuration of the present invention;

FIG. 6 is an enlarged view of a portion of the structure of FIG. 4B in accordance with the present invention;

FIG. 7 is an enlarged partial cross-sectional view of the structure of FIG. 3 at C in accordance with the present invention;

fig. 8 is a partial enlarged cross-sectional view of the structure shown in fig. 2.

In the figure: 100. an incinerator body; 110. an installation table; 111. an incineration box; 112. a support pillar; 113. mounting a plate; 114. a visual window; 115. a feed pipe; 116. a first vent pipe; 117. a treatment tank; 118. a second vent pipe; 119. a discharge pipe; 120. an ash leakage groove; 121. a first chute; 122. a first slider; 123. a collection box; 124. a first magnet; 125. a second magnet; 126. a filter box; 127. a through hole; 128. an extension plate; 129. inserting grooves; 130. a limiting rod; 131. storing the reticulated shell; 132. a sealing plug; 133. a seal ring; 134. rotating the rod; 135. a driving gear; 136. a driven gear; 137. a screw rod; 138. a movable barrel; 139. a guide groove; 140. a guide block; 141. a poking plate; 142. a second chute; 143. a second slider; 144. a poke rod; 145. a bump; 146. a control handle; 200. a stabilizing assembly; 210. a hollow block; 211. a spring; 212. a connecting rod; 213. a connecting plate; 214. a stabilizing rod; 215. a limiting groove; 216. and (4) inserting the jack.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, an embodiment of the present invention:

an environment-friendly waste incineration device with a peculiar smell removing structure comprises an incineration device main body 100, the incineration device main body 100 comprises a mounting table 110, an incineration box 111 is fixedly mounted at the top end of the mounting table 110, one side inside the incineration box 111 is rotatably connected with a rotating rod 134 through a bearing, a driving gear 135 is fixedly mounted on the surface of the rotating rod 134, a driven gear 136 is meshed with one side of the driving gear 135, a lead screw 137 is fixedly connected with one side of the driven gear 136, one end, away from the driven gear 136, of the lead screw 137 is rotatably connected with the inner wall of the incineration box 111 through a bearing, a movable cylinder 138 is mounted on the surface of the lead screw 137 through threads, a guide groove 139 is formed in one surface of the incineration box 111, a guide block 140 is slidably mounted inside the guide groove 139, one surface of the movable cylinder 138 is fixedly connected with the guide block 140, one surface of the movable cylinder 138 is fixedly connected with a poking plate 141, and a poking rod 144 is uniformly and fixedly connected to the bottom end of the poking plate 141, one end fixed mounting of dwang 134 has the control to 146, to burn the thing from inlet pipe 115 lose burn the case 111 inside and burn, the staff is through shaking control to 146, make dwang 134 rotate, dwang 134 rotates and drives driving gear 135 and rotate, thereby make driven gear 136 rotate, and then lead screw 137 can rotate, movable cylinder 138 can drive stirring board 141 and remove, thereby will lose the thing of burning case 111 inside and spread out, be convenient for burn the thing fully and fast, make incinerator main part 100 convenient to use, solved current thing of burning and lost the inside back of incinerator, it can pile up inside incinerator to burn the thing, it is difficult fast and fully burning to pile up the thing of burning together, the problem of the efficiency and the quality of burning has been reduced.

Further, a supporting column 112 is fixedly installed at the bottom end of the installation platform 110, a visible window 114 is embedded and installed on the front surface of the incineration box 111, a feeding pipe 115 is fixedly installed at the top end of the incineration box 111, a first vent pipe 116 is fixedly connected to one side of the top end of the incineration box 111, a treatment box 117 is fixedly installed at the top end of the first vent pipe 116, a storage reticulated shell 131 is fixedly installed inside the treatment box 117, a sealing plug 132 is inserted and installed at one side of the storage reticulated shell 131, a second vent pipe 118 is fixedly connected to the top end of the treatment box 117, a discharging pipe 119 is fixedly connected to the bottom end of the incineration box 111, an installation plate 113 is fixedly installed between the supporting columns 112 at the bottom of the installation platform 110, first sliding grooves 121 are respectively installed at two sides of the top end of the installation plate 113, a first sliding block 122 is slidably installed inside the first sliding grooves 121, a collecting box 123 is fixedly installed at the top end of the first sliding block 122, and an ash leakage groove 120 is installed at the top end of the installation platform 110, inside storing latticed shell 131 with the active carbon plug, the smoke and dust that produces after the burning can get into handles case 117, and through storing latticed shell 131, the active carbon has the adsorption, can adsorb certain impurity and peculiar smell, and discharge through second breather pipe 118, the ashes that produce after burning can spill to collecting box 123 inside through discharging pipe 119, collecting box 123 is collected the dust, follow the inside roll-off of first slider 122 from first spout 121 again, just can take out collecting box 123 from mounting panel 113, the staff of being convenient for will burn the inside dust of case 111 and handle, make incineration device main part 100 more convenient to use.

Further, a second sliding groove 142 is formed at one surface inside the incineration tank 111, a second slider 143 is slidably mounted inside the second sliding groove 142, one surface of the toggle plate 141 is fixedly connected to one surface of the second slider 143, and the second slider 143 slides inside the second sliding groove 142, so that the toggle plate 141 can move more smoothly.

Further, a stabilizing component 200 is fixedly mounted on the front surface of the incineration box 111, the stabilizing component 200 comprises a hollow block 210, the back surface of the hollow block 210 is fixedly connected with the front surface of the incineration box 111, a spring 211 is fixedly connected inside the hollow block 210, a connecting rod 212 is fixedly mounted at one end of the spring 211, a connecting plate 213 is fixedly mounted at one end of the connecting rod 212, a stabilizing rod 214 is fixedly connected to one surface of the connecting plate 213, a limiting groove 215 is formed in the front surface of the incineration box 111, a jack 216 is formed in one surface of the control handle 146, and the tensile force of the spring 211 acts on the connecting rod 212, so that the connection rod 212 pulls the connection plate 213, and one end of the stabilizing rod 214 is stably located inside the limiting groove 215, passes through the insertion hole 216, therefore, the control handle 146 can not easily rotate when being subjected to external force, so as to avoid influencing the incineration of the incineration objects, facilitate the use of the incineration device main body 100 and improve the convenience of the incineration device main body 100 in use.

Furthermore, a first magnet 124 is fixedly mounted on one side of the supporting column 112, a second magnet 125 is fixedly mounted on one side of the collecting box 123 close to the first magnet 124, opposite magnetic poles are arranged on the surfaces of the first magnet 124 and the second magnet 125 close to each other, the collecting box 123 is fixed when the first magnet 124 and the second magnet 125 attract each other, the collecting box 123 can be stably positioned on the upper portion of the mounting plate 113, the collecting box 123 is more stable in the process of collecting dust, and therefore the convenience of the burning device main body 100 in use is further improved.

Further, the filter box 126 is installed on the inside top of collecting box 123, and through-hole 127 has evenly been seted up to the bottom of filter box 126, and the top of filter box 126 both sides is all fixed mounting have extension board 128, and through-hole 127 filters great impurity not burnt to the end, and the dust particle drops to the inside bottom of collecting box 123, has played the effect of rapid draing, has further improved the convenience when burning device main part 100 uses.

Furthermore, plug-in groove 129 has all been seted up to the both sides on collecting box 123 top, and the gag lever post 130 is run through to install on the top of extension board 128, and gag lever post 130 is in plug-in groove 129 to make extension board 128 can not take place to squint by a wide margin, thereby improved the stability of rose box 126.

Further, the surface of the sealing plug 132 is sleeved with a sealing ring 133, and the sealing ring 133 is made of rubber, so that a certain sealing effect is achieved, and the activated carbon cannot overflow from the inside of the storage reticulated shell 131.

Furthermore, a bump 145 is fixedly installed between the poke rods 144 at the bottom end of the poke plate 141, and the bump 145 prevents the two poke rods 144 from being easily blocked, so that the incineration device main body 100 is more convenient to use.

The working principle is as follows: during the use, to burn the thing from inlet pipe 115 and throw into inside burning of burning case 111 and burn, the staff is through shaking control 146, make dwang 134 rotate, dwang 134 rotates and drives driving gear 135 and rotate, thereby make driven gear 136 rotate, and then lead screw 137 can rotate, activity section of thick bamboo 138 can drive and dial plate 141 and remove, thereby will throw into and burn the inside thing of burning of case 111 and spread out, it fully just burns fast to be convenient for burn the thing, make burning device main part 100 convenient to use, solved current thing of burning and thrown into burning device inside back, it can pile up inside burning device to burn the thing, it is difficult fast and fully burning to pile up the thing of burning together, the efficiency of burning and the problem of quality have been reduced.

The ashes generated after incineration can leak to the inside of the collection box 123 through the discharge pipe 119, the collection box 123 collects the dust, and then the first sliding block 122 slides out of the first sliding groove 121, so that the collection box 123 can be taken out of the mounting plate 113, thereby facilitating the workers to dispose the dust in the incineration box 111, making the incineration device main body 100 more convenient to use, the surfaces of the first magnet 124 and the second magnet 125 close to each other are opposite magnetic poles, the collection box 123 can be fixed when the first magnet 124 and the second magnet 125 attract each other, so that the collection box 123 can be stably positioned on the upper portion of the mounting plate 113, the pulling force of the spring 211 acts on the connecting rod 212, so that the connecting rod 212 pulls the connecting plate 213, one end of the stabilizing rod 214 is stably positioned in the limiting groove 215 and passes through the jack 216, so that the control handle 146 cannot easily rotate when being subjected to external force, so as not to affect the incineration of the incineration materials, the sealing ring 133 is made of rubber material, and plays a role in sealing, so that the activated carbon does not overflow from the inside of the storage reticulated shell 131.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.