阅读说明：本技术 一种适用于车载系统模拟器的软件开发工具包 (Software development kit suitable for vehicle-mounted system simulator ) 是由 王宁 于 2019-08-29 设计创作，主要内容包括：本发明公开的一种适用于车载系统模拟器的软件开发工具包,包括箱体,箱体为顶端开口的空腔结构,箱体的顶端设有箱门,箱体内设有卡板,卡板的顶端开设有第一卡槽,卡板的两侧与箱体的内壁通过若干第一弹簧连接,卡板的两侧与箱体的内壁通过若干缓冲机构连接,且缓冲机构与第一弹簧位于卡板的不同侧,箱门的底端设有位于第一卡槽上方的卡紧机构,箱门的顶端开设有第二卡槽。本发明的一种适用于车载系统模拟器的软件开发工具包,减少了振动对电脑的影响,同时降低了电脑运行时的温度,加快了电脑的运行速度,提高了工作效率,以及可以根据使用者的实际情况,调节箱门的角度,进而变相的调节了电脑的高度和角度,满足了不同需求,提高了实用性。(the invention discloses a software development kit suitable for a vehicle-mounted system simulator, which comprises a box body, wherein the box body is of a cavity structure with an opening at the top end, a box door is arranged at the top end of the box body, a clamping plate is arranged in the box body, a first clamping groove is formed in the top end of the clamping plate, two sides of the clamping plate are connected with the inner wall of the box body through a plurality of first springs, two sides of the clamping plate are connected with the inner wall of the box body through a plurality of buffer mechanisms, the buffer mechanisms and the first springs are located on different sides of the clamping plate, a clamping mechanism located above the first clamping groove is arranged at the bottom end of the. The software development kit suitable for the vehicle-mounted system simulator reduces the influence of vibration on a computer, reduces the temperature of the computer during operation, accelerates the operation speed of the computer, improves the working efficiency, can adjust the angle of the box door according to the actual condition of a user, further adjusts the height and the angle of the computer in a phase-changing manner, meets different requirements, and improves the practicability.)

1. A software development kit suitable for an on-board system simulator, characterized in that: comprises a box body (1), the box body (1) is of a cavity structure with an opening at the top end, a box door (2) is arranged at the top end of the box body (1), a clamping plate (3) is arranged in the box body (1), a first clamping groove (4) is formed in the top end of the clamping plate (3), two sides of the clamping plate (3) are connected with the inner wall of the box body (1) through a plurality of first springs (5), two sides of the clamping plate (3) are connected with the inner wall of the box body (1) through a plurality of buffer mechanisms (7), the buffer mechanisms (7) and the first springs (5) are positioned on different sides of the clamping plate (3), a clamping mechanism (8) positioned above the first clamping groove (4) is arranged at the bottom end of the box door (2), a second clamping groove (9) is formed in the top end of the box door (2), a heat dissipation mechanism (6) is arranged in the second clamping groove (9), and an adjusting mechanism (10) matched with the box door, one side of chamber door (2) is connected through hinge (36) that the symmetry set up with one side of box (1), one side that hinge (36) were kept away from in chamber door (2) is equipped with first buckle (37), one side of box (1) is equipped with second buckle (38) of the first buckle of next-door neighbour (37), second buckle (38) and first buckle (37) looks joint, one side of box (1) is equipped with pull ring (11) that are located second buckle (38) below, four corners in bottom of box (1) all are equipped with fixing base (12).

2. The software development kit for the vehicle system simulator of claim 1, wherein: the buffer mechanism (7) comprises a first fixed block (13) arranged at one side of the clamping plate (3), one side of the first fixed block (13) is provided with a first movable rod (14), the first movable rod (14) is connected with the first fixed block (13) through a first rotating shaft (15), a second fixed block (16) which is close to the first fixed block (13) is arranged on the inner wall of one side of the box body (1), a second movable rod (17) is arranged on one side of the second fixed block (16), the second movable rod (17) is connected with the second fixed block (16) through a second rotating shaft (18), one end of the second movable rod (17) far away from the second fixed block (16) is provided with a movable groove (19), one end of the first movable rod (14) extends into the movable groove (19), and the inner wall of the bottom end of the movable groove (19) is connected with one end of the first movable rod (14) through a second spring (20).

3. The software development kit for the vehicle system simulator of claim 2, wherein: limiting sliding grooves (21) are symmetrically formed in the inner walls of the two sides of the movable groove (19), limiting sliding blocks (22) are arranged in the limiting sliding grooves (21), and the limiting sliding blocks (22) are fixedly connected with the first movable rod (14).

4. The software development kit for the vehicle system simulator of claim 1, wherein: the heat dissipation mechanism (6) comprises a heat conduction plate (23) arranged in a second clamping groove (9), the side wall of the heat conduction plate (23) is fixedly connected with the inner wall of the second clamping groove (9), the bottom end of the heat conduction plate (23) is connected with the inner wall of the bottom end of the second clamping groove (9) through a plurality of heat dissipation plates (24), a plurality of first heat dissipation holes (25) are arranged on the heat dissipation plates (24), a plurality of second heat dissipation holes (26) are formed in the inner wall of one side of the second clamping groove (9), the second heat dissipation holes (26) are communicated with the outer wall of the box door (2), an air inlet groove (27) is formed in the inner wall of one side, far away from the second heat dissipation holes (26), of the second clamping groove (9), a first groove (28) is formed in one side of the box door (2), the inner wall of one side of the first groove (28) is communicated with the inner wall of one side, and a dust guard (29) positioned between the heat dissipation fan (30) and the air inlet groove (27) is arranged in the first groove (28).

5. The software development kit suitable for use in an in-vehicle system simulator of claim 4, wherein: the heat dissipation fan (30) is kept away from one side top and the equal fixedly connected with mounting panel (31) in bottom of dust guard (29), just mounting panel (31) are located the outside of chamber door (2), mounting panel (31) are connected through fixing bolt (32) with chamber door (2).

6. The software development kit suitable for use in an in-vehicle system simulator of claim 5, wherein: the heat dissipation fan (30) is electrically connected with an external power supply, and the heat dissipation fan (30) and the first buckle (37) are located on different sides of the box door (2).

7. The software development kit for the vehicle system simulator of claim 1, wherein: the clamping mechanism (8) comprises a movable plate (33) arranged below the box door (2), the movable plate (33) is connected with the bottom end of the box door (2) through a plurality of third springs (34), a first elastic pad (35) is arranged at the bottom end of the movable plate (33), and a second elastic pad (48) is arranged on the inner wall of the bottom end of the first clamping groove (4).

8. The software development kit for the vehicle system simulator of claim 1, wherein: the adjusting mechanism (10) comprises supporting rods (39) symmetrically arranged on two sides of the top end of the box body (1), the supporting rods (39) are close to second buckles (38), second grooves (40) are symmetrically formed in two sides of the top end of the box body (1), the bottom ends of the supporting rods (39) are located in the second grooves (40), through holes (41) close to the supporting rods (39) are formed in the inner wall of one side of each second groove (40), the through holes (41) are communicated with the outer wall of the box body (1), third rotating shafts (42) are arranged in the through holes (41), one ends of the third rotating shafts (42) are connected with a rotating disc (43) located outside the box body (1), the other ends of the third rotating shafts (42) are fixedly connected with the supporting rods (39), fourth springs (44) located between the supporting rods (39) and the through holes (41) are sleeved outside the third rotating shafts (42), one side that third pivot (42) was kept away from in bracing piece (39) is equipped with fixed connection's toothed disc (45), one side inner wall of second recess (40) is seted up with toothed disc (45) matched with gear groove (46), just toothed disc (45) set up in gear groove (46).

9. The software development kit for an in-vehicle system simulator of claim 8, wherein: the top end of the supporting rod (39) is provided with an anti-skid block (47), the anti-skid block (47) is in contact with the bottom end of the box door (2), and the length of the supporting rod (39) is smaller than that of the second groove (40).

Technical Field

the invention relates to the technical field of toolkits, in particular to a software development toolkit suitable for a vehicle-mounted system simulator.

Background

with the continuous development of information long-distance transmission, a simulator system matched with the information long-distance transmission needs to be provided, the simulator is a device which mainly enables a computer or other multimedia platforms to run on other platforms through the function of a software simulation hardware processor and a program of an instruction system, an on-board system simulator needs to be capable of completing environmental simulation on a general personal computer environment and simulating a special environment related to a vehicle, a designer spends a great amount of time in actual development, overtime work becomes a normal state, the designer usually uses a notebook computer as a necessary tool for software development, the tool kit is carried back to home to work, vibration is inevitable in the carrying process, even the tool kit falls off, the damage of electronic elements in the computer is possibly caused, once data in the computer is lost, great loss is caused, and when the computer is in software development, the computer operation speed is accelerated, so that the temperature of the computer is increased, the running speed of the computer is further influenced, and the working efficiency is reduced.

disclosure of Invention

The invention mainly aims to provide a software development kit suitable for a vehicle-mounted system simulator, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

A software development kit suitable for a vehicle-mounted system simulator comprises a box body, wherein the box body is of a cavity structure with an opening at the top end, a box door is arranged at the top end of the box body, a clamping plate is arranged in the box body, a first clamping groove is formed in the top end of the clamping plate, two sides of the clamping plate are connected with the inner wall of the box body through a plurality of first springs, two sides of the clamping plate are connected with the inner wall of the box body through a plurality of buffer mechanisms, the buffer mechanisms and the first springs are positioned on different sides of the clamping plate, a clamping mechanism positioned above the first clamping groove is arranged at the bottom end of the box door, a second clamping groove is formed in the top end of the box door, a heat dissipation mechanism is arranged in the second clamping groove, an adjusting mechanism matched with the box door is arranged at the top end of the box body, one side of the box door is connected, one side of box is equipped with the second buckle of the first buckle of next-door neighbour, second buckle and first buckle looks joint, one side of box is equipped with the pull ring that is located second buckle below, four corners in the bottom of box all are equipped with the fixing base.

Preferably, buffer gear is including setting up the first fixed block of cardboard one side, one side of first fixed block is equipped with first movable rod, first movable rod is connected through first pivot with first fixed block, one side inner wall of box is equipped with the second fixed block of next-door neighbour first fixed block, one side of second fixed block is equipped with the second movable rod, the second movable rod passes through the second pivot with the second fixed block and is connected, the activity groove has been seted up to the one end that the second fixed block was kept away from to the second movable rod, the one end of first movable rod extends to the activity inslot, just the bottom inner wall in activity groove passes through second spring coupling with the one end of first movable rod.

preferably, the inner walls of the two sides of the movable groove are symmetrically provided with limiting sliding grooves, limiting sliding blocks are arranged in the limiting sliding grooves, and the limiting sliding blocks are fixedly connected with the first movable rods.

Preferably, the heat dissipation mechanism is including setting up the heat-conducting plate in the second draw-in groove, the lateral wall of heat-conducting plate and the inner wall fixed connection of second draw-in groove, the bottom of heat-conducting plate is connected through a plurality of heating panels with the bottom inner wall of second draw-in groove, be equipped with a plurality of first louvres on the heating panel, a plurality of second louvres have been seted up to one side inner wall of second draw-in groove, the second louvre is linked together with the outer wall of chamber door, the air inlet duct has been seted up to one side inner wall that the second louvre was kept away from to the second draw-in groove, first recess has been seted up to one side of chamber door, one side inner wall of first recess is linked together with one side inner wall of air inlet duct, be equipped with the.

Preferably, the heat dissipation fan is kept away from the equal fixedly connected with mounting panel in one side top and the bottom of dust guard, just the mounting panel is located the outside of chamber door, the mounting panel passes through fixing bolt with the chamber door and is connected.

preferably, the heat dissipation fan is electrically connected with an external power supply, and the heat dissipation fan and the first buckle are located on different sides of the box door.

Preferably, the clamping mechanism comprises a movable plate arranged below the box door, the movable plate is connected with the bottom end of the box door through a plurality of third springs, a first elastic cushion is arranged at the bottom end of the movable plate, and a second elastic cushion is arranged on the inner wall of the bottom end of the first clamping groove.

Preferably, the adjusting mechanism comprises support bars symmetrically arranged at two sides of the top end of the box body, the support bars are close to the second buckle, second grooves are symmetrically arranged on two sides of the top end of the box body, the bottom ends of the supporting rods are positioned in the second grooves, a through hole close to the supporting rod is arranged on the inner wall of one side of the second groove and communicated with the outer wall of the box body, a third rotating shaft is arranged in the through hole, one end of the third rotating shaft is connected with a turntable positioned outside the box body, the other end of the third rotating shaft is fixedly connected with the supporting rod, a fourth spring positioned between the supporting rod and the through hole is sleeved outside the third rotating shaft, one side that the third pivot was kept away from to the bracing piece is equipped with fixed connection's toothed disc, one side inner wall of second recess is seted up with toothed disc matched with gear groove, just toothed disc sets up the gear inslot.

Preferably, the top end of the supporting rod is provided with an anti-skid block, the anti-skid block is in contact with the bottom end of the box door, and the length of the supporting rod is smaller than that of the second groove.

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

The utility model discloses a computer, including the computer, the cardboard is fixed in first draw-in groove, make cardboard and box elastic fixation simultaneously, receive vibrations when the box, when the box falls to the ground even, cushion the cardboard, the influence of vibration to the computer has been reduced, and finally, through the cooperation that sets up second draw-in groove and heat dissipation mechanism, can place the second draw-in groove in the bottom of computer, dispel the heat to the computer bottom, the temperature of computer has been reduced, and then the functioning speed of computer has been accelerated, and the work efficiency is improved, in addition, through the adjustment mechanism who sets up, can be according to user's actual conditions, adjust the angle of chamber door, and then the height and the angle of the computer of phase-changing regulation, different demands have been satisfied, and the practicality has been improved.

Drawings

FIG. 1 is a schematic diagram of an overall configuration of a software development kit suitable for use in an in-vehicle system simulator according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a front cross-sectional view of a software development kit suitable for use with an in-vehicle system simulator in accordance with the present invention;

FIG. 4 is a side cross-sectional view of a software development kit suitable for use with an in-vehicle system simulator in accordance with the present invention;

FIG. 5 is a top view of a card of a software development kit suitable for use with an in-vehicle system simulator in accordance with the present invention;

FIG. 6 is an enlarged partial view of FIG. 5 at B;

FIG. 7 is a cross-sectional view of an adjustment mechanism of a software development kit for an in-vehicle system simulator in accordance with the present invention;

FIG. 8 is a second structural cross-sectional view of an adjustment mechanism of a software development kit for an on-board system simulator according to the present invention.

In the figure: 1. a box body; 2. a box door; 3. clamping a plate; 4. a first card slot; 5. a first spring; 6. a heat dissipation mechanism; 7. a buffer mechanism; 8. a chucking mechanism; 9. a second card slot; 10. an adjustment mechanism; 11. a pull ring; 12. a fixed seat; 13. a first fixed block; 14. a first movable bar; 15. a first rotating shaft; 16. a second fixed block; 17. a second movable bar; 18. a second rotating shaft; 19. a movable groove; 20. a second spring; 21. a limiting chute; 22. a limiting slide block; 23. a heat conducting plate; 24. a heat dissipation plate; 25. a first heat dissipation hole; 26. a second heat dissipation hole; 27. an air inlet groove; 28. a first groove; 29. a dust-proof plate; 30. a heat dissipation fan; 31. mounting a plate; 32. fixing the bolt; 33. a movable plate; 34. a third spring; 35. a first elastic pad; 36. a hinge; 37. a first buckle; 38. a second buckle; 39. a support bar; 40. a second groove; 41. a through hole; 42. a third rotating shaft; 43. a turntable; 44. a fourth spring; 45. a gear plate; 46. a gear groove; 47. anti-skid blocks; 48. a second elastic pad.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-8, a software development kit suitable for a vehicle-mounted system simulator comprises a box body 1, the box body 1 is a cavity structure with an open top end, a box door 2 is arranged at the top end of the box body 1, a clamping plate 3 is arranged in the box body 1, a first clamping groove 4 is arranged at the top end of the clamping plate 3, two sides of the clamping plate 3 are connected with the inner wall of the box body 1 through a plurality of first springs 5, two sides of the clamping plate 3 are connected with the inner wall of the box body 1 through a plurality of buffer mechanisms 7, the buffer mechanisms 7 and the first springs 5 are positioned at different sides of the clamping plate 3, a clamping mechanism 8 positioned above the first clamping groove 4 is arranged at the bottom end of the box door 2, a second clamping groove 9 is arranged at the top end of the box door 2, a heat dissipation mechanism 6 is arranged in the second clamping groove 9, an adjusting mechanism 10 matched with the box door 2 is arranged at, a first buckle 37 is arranged on one side of the box door 2 away from the hinge 36, a second buckle 38 close to the first buckle 37 is arranged on one side of the box body 1, the second buckle 38 is clamped with the first buckle 37, a pull ring 11 positioned below the second buckle 38 is arranged on one side of the box body 1, and fixed seats 12 are arranged at four corners of the bottom end of the box body 1;

the buffer mechanism 7 comprises a first fixed block 13 arranged on one side of the clamping plate 3, a first movable rod 14 is arranged on one side of the first fixed block 13, the first movable rod 14 is connected with the first fixed block 13 through a first rotating shaft 15, a second fixed block 16 close to the first fixed block 13 is arranged on the inner wall of one side of the box body 1, a second movable rod 17 is arranged on one side of the second fixed block 16, the second movable rod 17 is connected with the second fixed block 16 through a second rotating shaft 18, a movable groove 19 is formed in one end, far away from the second fixed block 16, of the second movable rod 17, one end of the first movable rod 14 extends into the movable groove 19, and the inner wall of the bottom end of the movable groove 19 is connected with one end of the first movable rod 14 through a second spring 20; the inner walls of the two sides of the movable groove 19 are symmetrically provided with limiting sliding grooves 21, limiting sliding blocks 22 are arranged in the limiting sliding grooves 21, and the limiting sliding blocks 22 are fixedly connected with the first movable rod 14; the heat dissipation mechanism 6 comprises a heat conduction plate 23 arranged in the second clamping groove 9, the side wall of the heat conduction plate 23 is fixedly connected with the inner wall of the second clamping groove 9, the bottom end of the heat conduction plate 23 is connected with the inner wall of the bottom end of the second clamping groove 9 through a plurality of heat dissipation plates 24, a plurality of first heat dissipation holes 25 are arranged on the heat dissipation plates 24, a plurality of second heat dissipation holes 26 are formed in the inner wall of one side of the second clamping groove 9, the second heat dissipation holes 26 are communicated with the outer wall of the box door 2, an air inlet groove 27 is formed in the inner wall of one side of the second clamping groove 9, far away from the second heat dissipation holes 26, a first groove 28 is formed in one side of the box door 2, the inner wall of one side of the first groove 28 is communicated with the inner wall of one side of; the top end and the bottom end of one side of the heat dissipation fan 30 far away from the dust-proof plate 29 are fixedly connected with mounting plates 31, the mounting plates 31 are positioned outside the box door 2, and the mounting plates 31 are connected with the box door 2 through fixing bolts 32; the heat dissipation fan 30 is electrically connected with an external power supply, and the heat dissipation fan 30 and the first buckle 37 are located on different sides of the box door 2; the clamping mechanism 8 comprises a movable plate 33 arranged below the door 2, the movable plate 33 is connected with the bottom end of the door 2 through a plurality of third springs 34, a first elastic cushion 35 is arranged at the bottom end of the movable plate 33, and a second elastic cushion 48 is arranged on the inner wall of the bottom end of the first clamping groove 4; the adjusting mechanism 10 comprises support rods 39 symmetrically arranged on two sides of the top end of the box body 1, the support rods 39 are closely adjacent to the second buckle 38, two sides of the top end of the box body 1 are symmetrically provided with second grooves 40, the bottom ends of the support rods 39 are positioned in the second grooves 40, one side inner wall of each second groove 40 is provided with a through hole 41 close to the support rod 39, the through holes 41 are communicated with the outer wall of the box body 1, a third rotating shaft 42 is arranged in each through hole 41, one end of the third rotating shaft 42 is connected with a turntable 43 positioned outside the box body 1, the other end of the third rotating shaft 42 is fixedly connected with the support rods 39, a fourth spring 44 positioned between the support rods 39 and the through holes 41 is sleeved outside the third rotating shaft 42, one side of the support rods 39, far away from the third rotating shaft 42, is provided with a fixedly connected gear disc 45, one side inner wall of each second groove 40 is; the top end of the supporting rod 39 is provided with an anti-skid block 47, the anti-skid block 47 is contacted with the bottom end of the door 2, and the length of the supporting rod 39 is smaller than that of the second groove 40.

It should be noted that, the present invention is a software development kit suitable for a vehicle-mounted system simulator, wherein the connection between the first buckle 37 and the second buckle 38 is broken, the box door 2 is opened, the closed notebook computer is placed in the first slot 4, and the box door 2 is closed, so that the first buckle 37 is connected with the second buckle 38 in a clamping manner, the movable plate 33 is pressed on the top end of the computer, the third spring 34 is in a compressed state, the computer is fixed between the first slot 4 and the movable plate 33 by the elastic force of the third spring 34, and the computer is further protected by the cooperation of the first elastic pad 35 and the second elastic pad 48, a user holds the pull ring 11 to carry the kit to move, when the kit bumps or even falls to the ground, the clamping plate 3 rocks in the box 1, the first spring 5 is in a compressed or stretched state, and the clamping plate 3 is damped by the elastic force of the first spring 5, when the clamping plate 3 shakes, the clamping plate 3 is far away from the initial position, the first fixing block 13 is far away from the second fixing block 16, the length of the first movable rod 14 in the movable groove 19 is reduced, the second spring 20 is in a stretching state, the distance between the clamping plate 3 and the initial position is reduced through the tensile force of the second spring 20, and the purpose of shock absorption is achieved, when the computer is needed, the computer installation step is operated in a reverse mode, the computer is taken out, the bottom of the computer is clamped into the second clamping groove 9, the bottom end of the computer is in contact with the heat conducting plate 23, the heat conducting plate 23 absorbs heat emitted by the computer, the heat is transmitted to the heat radiating plate 24, heat radiation is accelerated through increasing of heat radiation area, meanwhile, the heat radiating fan 30 is communicated with an external power supply, further external air enters the first groove 28, the external air filters dust through the dustproof plate 29, and the air enters the lower portion of the heat conducting plate 23 through the, the air passes through the first heat dissipation holes 25 on the heat dissipation plate 24 in sequence, finally the air flows out through the second heat dissipation holes 26, the air flow near the heat dissipation plate 24 is accelerated, the heat dissipation is further accelerated, the temperature of the computer is reduced, the running speed of the computer is further accelerated, the working efficiency is improved, meanwhile, the turntable 43 can be pulled according to needs, the gear disc 45 is separated from the gear groove 46, meanwhile, the fourth spring 44 is in a compression state, the turntable 43 is rotated, one end of the supporting rod 39 is separated from the second groove 40, further, one end of the supporting rod 39 is contacted with the bottom end of the box door 2 through the anti-skid block 47, the box door 2 is inclined for a certain angle, after the angle adjustment is completed, the turntable 43 is loosened, further, the fourth spring 44 recovers deformation, the fourth spring 44 drives the supporting rod 39 to move, further, the gear disc 45 is clamped into the gear groove 46, the angle of the fixed support rod 39, and then keep 2 inclination angles of chamber door, the height and the angle of the phase-change adjusted computer have satisfied different demands, have improved the practicality, when need not use adjustment mechanism 10, in the same way, the above-mentioned step of rotating the support rod 39 of reverse operation for the support rod 39 card is gone into the second recess 40 can.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.