CN201825079U - Children's double carriage - Google Patents

Abstract

A kind of children's tandem car, its cart frame includes a first front bracket; a front connecting frame that is rotatably connected to the lower end of the first front bracket; the lower end is connected to the other side of the front connecting frame The second front bracket that is rotatably connected; the first bottom frame that the front end is rotatably connected with the front connecting frame; the second bottom frame that the front end is rotatably connected with the front connecting frame; the lower part is connected with the first front bracket The first push rod that is rotatably connected to the upper part; the second push rod that is rotatably connected to the upper part of the second front bracket at the lower part; it is arranged between the first push rod, the second push rod, the first chassis and the second chassis , or the rear bracket arranged between the first front bracket, the second front bracket, the first underframe, and the second underframe, and the front bracket is arranged between the first front bracket and the second front bracket. Seat mechanism, rear seat mechanism. The utility model provides a baby carriage with front and rear double seats, which is simple in structure and small in volume after being folded.

Description

Children's double car

technical field

The utility model relates to a children's tandem vehicle. the

Background technique

The children's tandem car in the prior art, such as the patent application number is 200410064862.7, the children's tandem car includes a stroller frame and wheels, and the stroller frame includes a front wheel bracket and a rear wheel bracket that is rotatably connected to the front part of the front wheel bracket; The front part of the rear wheel support is rotatably connected with a front backrest frame, the middle part of the front backrest frame is rotatably connected with a front upper link, and the front part of the front upper link is rotatably connected with the upper end of the front wheel support; The middle part of the support is rotatably connected with the front rod of the rear seat, the rear part of the rear wheel support is rotatably connected with the push rod, the upper end of the front rod of the rear seat is rotatably connected with the rear upper link, and the rear end of the rear upper link is connected with the The push rod is rotatably connected, the rear lower link, and the two ends of the rear lower link are respectively rotatably connected with the front rod of the rear seat and the rear lower link. the

Utility model content

The technical problem to be solved by the utility model is to provide a children's tandem vehicle. the

In order to solve the above-mentioned technical problems, a technical solution adopted by the utility model is: a kind of children's tandem car, which includes a cart frame with an unfolded position and a folded position, and a front seat mechanism arranged on the cart frame and a rear seat mechanism, a locking device for locking the cart frame in the unfolded position, the cart frame includes

The first front bracket, the first front bracket is located on one side of the cart frame;

The second front bracket, the second front bracket is located on the other side of the cart frame;

The front connecting part, the lower end of the first front bracket and the side part of the front connecting part can play a role in making the first front bracket turn downwards and also move toward the cart The other side of the frame is rotatably connected with the first rotating joint that moves closer, and the lower end of the second front bracket passes through the other side of the front connecting piece so that the second When the front bracket rotates downward, it is also connected to the second rotating joint that moves closer to the side of the cart frame. The front seat mechanism and the rear seat mechanism are all arranged on the Between the first front bracket and the second front bracket, the front seat mechanism is located in front of the rear seat mechanism;

The first chassis, the front end of the first chassis is rotatably connected to the front connecting piece;

The second chassis, the front end of the second chassis is rotatably connected to the front connecting piece;

The first push rod, the lower part of the first push rod is rotatably connected to the upper part of the first front bracket;

The second push rod, the lower part of the second push rod is rotatably connected with the upper part of the second front bracket;

The rear bracket that can be folded horizontally, the rear bracket is arranged between the first push rod, the second push rod, the first bottom frame, and the second bottom frame, or between the between the first front bracket, the second front bracket, the first bottom frame, and the second bottom frame. After the locking device is unlocked, the first push rod and the second push rod are folded forward, and the first front wheel bracket and the second front wheel bracket are folded down and move closer to each other. The second push rods move closer to each other, and the first bottom frame and the second bottom frame are relatively close together, and the folding is simple. the

In some embodiments, the front seat mechanism can be detachably arranged between the first front bracket and the second front bracket, when the stroller frame is in the unfolded position , the front seat mechanism has a first working position and a second working position, when the front seat mechanism is in the first working position, the front seat mechanism is set forward, when the front seat mechanism is in Under the second working position, the said front seat mechanism is arranged backward. It is also possible that the front seat mechanism is rotatably arranged between the first front bracket and the second front bracket, so that the front seat mechanism has a first working position and a second working position . the

In some embodiments, the front seat mechanism includes a front seat frame located on both sides, a backrest frame whose lower part is rotatable with the front seat frame, and a backrest frame arranged between the front seat frame and the backrest frame. The front backrest locking mechanism in between, the front seat frames on both sides are respectively connected with the first front bracket and the second front bracket on the corresponding side. Simple structure. the

In some embodiments, the first front bracket portion protrudes upwards to form a first arch, the second front bracket portion protrudes upwards to form a second arch, and the first arch The second arched portion and the second arched portion are arranged on both sides of the front seat mechanism as a side wall. The structure is simple and no additional side walls are required. Beautiful shape. the

In some embodiments, the front end of the first underframe, the front end of the second underframe are rotatably connected to the front connecting piece through a third rotating shaft, and the trolley frame It also includes a first front wheel link that is rotatably connected to the first chassis via a fifth shaft, and a second front wheel link that is rotationally connected to the second chassis via a sixth shaft. One end of the first front wheel link is rotatably connected to one end of the second front wheel link through a fourth rotating shaft, and the other end of the first front wheel link is provided with a first front wheel Assemblies, the other end of the second front wheel link is provided with a second front wheel assembly, the rear of the first chassis is provided with a first rear wheel assembly, the rear of the second chassis A second rear wheel assembly is provided on the upper part. When the cart frame is in the unfolded position, the first front wheel assembly, the second front wheel assembly, the first rear wheel assembly and the second rear wheel assembly are on the ground, and the stability is good, while the cart frame is in the folded position, the cart The vehicle frame can be folded front and rear, up and down, left and right (that is, folded horizontally), the first front wheel assembly and the second front wheel assembly are close to each other, and the first rear wheel assembly and the second rear wheel assembly are close to each other, and the volume after folding is small . the

In some embodiments, the rear seat mechanism includes rear seat frames located on both sides, and the rear seat frames on both sides are respectively connected with the rear parts of the first front bracket, the The rear portion of the second front bracket is rotatably connected. Simple structure. the

In some embodiments, the rear brace is formed by intersecting the first rod and the second rod and connecting them in rotation at the intersection, and one end of the first rod passes through the first The swivel joint and the lower end of the first push rod are rotatably arranged in two intersecting plane directions, and the other end of the first rod is connected to the second bottom through the fourth swivel joint. The frame can be arranged to rotate in two intersecting plane directions, and one end of the second rod can be rotated in two intersecting plane directions with the lower end of the second push rod through the second rotating joint. The other end of the second rod is arranged to be rotatable with the first chassis through the third rotating joint in two intersecting plane directions. the

In some embodiments, a foldable cross brace is provided between the upper end of the first push rod and the upper end of the second push rod. the

In some embodiments, the first rotating joint is a first rotating shaft, and the second rotating joint is a second rotating shaft. Simple structure. the

The lower end of the first front bracket has a first slope, the lower end of the second front bracket has a second slope, one side of the front connecting piece has a third slope, and the front connection The other side of the piece has a fourth slope, the first slope is matched with the third slope, and the first rotation axis is perpendicular to the first slope and the third slope , the second inclined plane cooperates with the fourth inclined plane, and the second rotating shaft is perpendicular to both the second inclined plane and the fourth inclined plane. Under the cooperation of the above inclined planes, the rigidity of the front lower part of the cart frame is stronger when the cart frame is in the unfolded position. the

The scope of the present utility model is not limited to technical solutions formed by a specific combination of the above technical features, but also covers other technical solutions formed by any combination of the above technical features or equivalent features. For example, technical solutions formed by replacing the above-mentioned features with (but not limited to) technical features with similar functions disclosed in this application. the

Due to the application of the above-mentioned technical solutions, the utility model has the following advantages compared with the prior art: the utility model provides another kind of baby carriage with a front and rear double seat of the technical solution, which has a simple structure and can be moved in the up-down direction and the left-right direction (i.e. Horizontal), front-to-back direction folding, smaller volume after folding. the

Description of drawings

Accompanying drawing 1 is the perspective view of the present utility model (cart frame is under the expanded position);

Accompanying drawing 2 is the three-dimensional view of the present utility model (cart frame is in the conversion process of expanded position and folded position);

Accompanying drawing 3 is the perspective view of the present utility model (cart frame is under the folded position);

Accompanying drawing 4 is the front view of the utility model (the cart frame is under the expanded position, and the front seat mechanism is under the first working position);

Accompanying drawing 5 is the front view of the utility model (the cart frame is under the expanded position, and the front seat mechanism is under the second working position);

Accompanying drawing 6 is the front view of the present utility model (cart frame is in the conversion process of unfolded position and folded position);

Accompanying drawing 7 is the front view of the utility model (cart frame is under the folded position);

Accompanying drawing 8 is the exploded view of the utility model;

Accompanying drawing 9 is the connection schematic diagram of the first front wheel assembly and the second front wheel assembly (the cart frame is in the partial bottom view under the expanded position);

Accompanying drawing 10 is the schematic diagram of the connection of the first front wheel assembly and the second front wheel assembly (partial bottom view of the cart frame, the cart frame is in the conversion process between the unfolded position and the folded position);

Figure 11 is a schematic diagram of the connection between the first front wheel assembly and the second front wheel assembly (partial bottom view of the stroller frame in the folded position). the

Among them: 1. Front seat mechanism; 2. Front seat frame; 3. Backrest frame; 4. Rear seat mechanism; 5. Rear seat frame; 8. First front wheel link; 9. Second front wheel link; 10. Front connector; 11, first front bracket; 12, second front bracket; 13, first underframe; 14, second underframe; 15, first push rod; 16, second push rod; 17, rear support frame; 18, cross brace; 21, first rod; 22, second rod; 23, third revolving joint; 24, fourth revolving joint; 25, fifth revolving joint; 26, sixth revolving joint; 31 , the first slope; 32, the second slope; 33, the third slope; 34, the fourth slope; 35, the first shaft; 36, the second shaft; 37, the third shaft; 38, the fourth shaft; 39, the first Five rotating shafts; 40, the sixth rotating shaft; 41, the third rod; 42, the fourth rod. the

Detailed ways

As shown in each accompanying drawing, a kind of children's tandem vehicle includes a stroller frame with an unfolded position and a folded position, a front seat mechanism 1 and a rear seat mechanism 4 arranged on the stroller frame, for The said trolley frame is locked by a locking device in an unfolded position. The cart frame includes

The first front bracket 11, the first front bracket 11 is located on one side of the cart frame;

The second front bracket 12, the second front bracket 12 is located on the other side of the cart frame;

The front connecting piece 10, the lower end of the first front bracket 11 and one side of the front connecting piece 10 can play a role in making the first front bracket 11 rotate downward while also facing the The other side of the trolley frame is rotatably connected to the first rotating joint that moves closer, and the lower end of the second front bracket 12 and the other side of the front connecting piece 10 can play a role When the second front bracket 12 is rotated downward, the second rotating joint that moves closer to the side of the cart frame is connected in a rotational manner. The front seat mechanism 1, the The rear seat mechanism 4 is all arranged between the first front bracket 11 and the second front bracket 12, and the front seat mechanism 1 is located in front of the rear seat mechanism 4;

The first underframe 13, the first underframe 13 is located on one side of the trolley frame, the front end of the first underframe 13 is rotatably connected with the front connector 10 ;

The second underframe 14, the second underframe 14 is located on the other side of the trolley frame, the front end of the second underframe 14 is rotatable with the front connecting piece 10 connect;

The first push rod 15, the bottom of the first push rod 15 is rotatably connected with the top of the first front bracket 11;

The second push rod 16, the bottom of the second push rod 16 is rotationally connected with the top of the second front bracket 12;

The rear bracket 17 capable of being folded horizontally, the rear bracket 17 is arranged on the first push rod 15, the second push rod 16, the first chassis 13, and the second chassis 14 between. the

The front seat mechanism 1 is detachably arranged between the first front bracket 11 and the second front bracket 12, when the cart frame is in the unfolded position, the front seat The mechanism 1 has a first working position and a second working position. When the front seat mechanism 1 is in the first working position, the front seat mechanism 1 is set forward, and children sitting on it can look forward to the scenery. When the front seat mechanism 1 is in the second working position, the front seat mechanism 1 is set facing backward, and the child sitting on it can face the child sitting on the rear seat mechanism 4 . the

The front seat mechanism 1 includes a front seat frame 2 located on both sides, a backrest frame 3 which is rotated with the front seat frame 2 at the lower part, and is arranged between the front seat frame 2 and the backrest frame 3 The front backrest locking mechanism, the front seat frames 2 on both sides are respectively connected with the first front bracket 11 and the second front bracket 12 on the corresponding side. The mechanism for disassembling connection is not the invention point of the present utility model. Many structures in the prior art can be used. Briefly introduce the plug-in type, such as the front seat frame 2 on both sides. 11 and the second front support 12 are respectively provided with a socket, and the plug on each side is inserted on the corresponding socket. Equally, described front backrest locking mechanism also is that many structures in the prior art can be used, as described backrest frame 3 slides along its length direction and is provided with positioning pin, opens on described front seat frame 2 There are lock slots and arc slots above the lock slots. When locking, the positioning pins are inserted into the lock slots. When unlocking, the positioning pins are inserted into the arc slots. The rear seat mechanism 4 includes rear seat frames 5 located on both sides, and the rear seat frames 5 on both sides are respectively connected with the rear part of the first front bracket and the second front frame on the corresponding side. The rear portion of the bracket is rotatably connected. Pulling parts, such as cloth covers, can be arranged between the rear seat frame 5 on both sides, the rear part of the first front bracket, and the rear part of the second front bracket.

As shown in accompanying drawing 1 and accompanying drawing 2, the part of the first front bracket 11 protrudes upwards to form a first arch, and the part of the second front support 12 protrudes upwards to form a second arch, so The first arched portion and the second arched portion are arranged on both sides of the front seat mechanism 1 as side enclosures, that is, when the front seat mechanism 1 is connected to the cart frame, The first arched portion and the second arched portion are located on both sides of the front seat mechanism 1 . the

As shown in accompanying drawings 9-11, the front end of the first underframe 13, the front end of the second underframe 14 and the front connector 10 are rotatably connected through the third rotating shaft 37 , the cart frame also includes a first front wheel link 8 that is rotatably connected to the first underframe 13 through the fifth rotating shaft 39, and is connected to the second underframe 14 through the sixth rotating shaft 40. The second front wheel link 9 which is rotatably connected, one end of the first front wheel link 8 and one end of the second front wheel link 9 are rotatably connected through a fourth rotating shaft 38, the The other end of the first front wheel link 8 is provided with a first front wheel assembly, the other end of the second front wheel link 9 is provided with a second front wheel assembly, and the first chassis 13 The rear part of the chassis 14 is provided with a first rear wheel assembly, and the rear part of the second chassis 14 is provided with a second rear wheel assembly. the

The rear support frame 17 is formed by intersecting the first rod 21 and the second rod 22 and rotatingly connected at the intersection. One end of the first rod 21 passes through the third rotating joint 23 The lower end of the first push rod 15 can be rotated in two intersecting plane directions, and the other end of the first rod 21 is connected to the second through the sixth rotating joint 26. The underframe 14 can be arranged to be rotatable on two intersecting plane directions, and one end of the second rod 22 can be connected with the lower end of the second push rod 16 through the fourth rotating joint 24 in two directions The other end of the second rod 22 is arranged to be rotatable in two intersecting plane directions with the first chassis 13 through the fifth rotating joint 25 . Suppose that the rear support frame 17 is arranged between the first front frame 11 , the second front frame 12 , the first bottom rear frame 13 , and the second bottom rear frame 14 . The rear brace 17 can adopt the following structure: the rear brace includes a first rear brace, a second rear brace, a third rear brace, a fourth rear brace, and inner braces of the aforementioned four rear braces respectively. The ends of the rear support are rotatably connected, and the locking mechanism between the four rear support rods and the rear support is provided, and the outer end of the first rear support rod is connected to the first front support. The upper part is set to rotate in two plane directions, the outer end of the second rear strut and the upper part of the second front bracket are set to rotate in two plane directions, and the third The outer end of the rear strut and the first bottom rear frame 13 are arranged to rotate in two plane directions, and the outer end of the fourth rear strut is connected to the second rear bottom rear frame. 14 is arranged rotatably in two planar directions. the

As shown in accompanying drawings 1 and 2 , a foldable cross brace 18 is provided between the upper end of the first push rod 15 and the upper end of the second push rod 16 . The cross brace 18 is composed of a third rod 41 and a fourth rod 42 whose inner end is rotatably connected to the inner end of the third rod 41. The third rod 41 The outer end of the fourth rod 42 is rotatably connected with the upper end of the first push rod 15 , and the outer end of the fourth rod 42 is rotatably connected with the upper end of the second push rod 16 . A locking mechanism may be provided between the inner end of the third rod 41 and the inner end of the fourth rod 42, so that the third rod 41 when the cart frame is in the unfolded position The expansion between the inner end of the inner end of the fourth rod 42 and the inner end of the fourth rod 42 is relatively stable; it can also be set so that the inner end of the third rod 41 and the inner end of the third rod 41 when the cart frame is in the expanded position The inner ends of the fourth rod 42 are at an over-dead point during deployment, so that the deployment between the two is stable. the

The first rotating joint is the first rotating shaft 35 , and the second rotating joint is the second rotating shaft 36 . The lower end of the first front bracket 11 has a first slope 31 , the lower end of the second front bracket 12 has a second slope 32 , and one side of the front connector 10 has a third slope 33 , the other side of the front connector 10 has a fourth slope 34, the first slope 31 is matched with the third slope 33, the first rotating shaft 35 is matched with the first The inclined plane 31 and the third inclined plane 33 are all perpendicular, the second inclined plane 32 cooperates with the fourth inclined plane 34, the second rotating shaft 36 is connected to the second inclined plane 32, the described second inclined plane 32 The fourth slopes 34 are all vertical. the

As shown in the drawings, the locking mechanism includes a first side locking mechanism arranged between the lower end of the first push rod 15 and the upper part of the first front bracket 11, The second side locking mechanism between the lower end of the second push rod 16 and the upper part of the second front bracket 12 . The first side locking mechanism, the second side locking mechanism and the lateral locking mechanism can all adopt locking mechanisms commonly used in the prior art, such as: the first side locking mechanism can be on the second side The lower end of a push rod 15 is provided with a first elastic lock tongue, and a first lock hole is opened on the upper part of the first front bracket 11. When the first side locking mechanism is in the locked position, the first elastic lock tongue The lock tongue is inserted into the first lock hole; the second side locking mechanism can use the same structure as the first side locking mechanism. the

The orientation words such as lower, upper, front, and rear involved in the present invention are defined when the cart frame is in the unfolded position. And the position of the front connector 10 is the front, and the end of the first chassis 13 and the end of the second chassis 14 away from the front connector 10 is the rear. the

As mentioned above, we have fully described according to the purpose of the utility model, but the utility model is not limited to the above-mentioned embodiment and implementation method. Practitioners in the relevant technical fields can make different changes and implementations within the scope permitted by the technical ideas of the present utility model. the

Claims (10)

1. children's double carriage, comprise go-cart vehicle frame with expanded position and folding position, be arranged at front seats mechanism (1) and back seat mechanism (4) on the described go-cart vehicle frame, be used for described go-cart vehicle frame is locked in the blocking device of expanded position, it is characterized in that: described go-cart vehicle frame comprises

First front frame (11), described first front frame (11) is positioned at a sidepiece of described go-cart vehicle frame;

Second front frame (12), described second front frame (12) is positioned at the other side of described go-cart vehicle frame;

Preceding attaching parts (10), the bottom of described first front frame (11) is connected by playing first rotary joint that makes described first front frame (11) also draw close effect when rotating towards the other side of described go-cart vehicle frame rotatedly with a sidepiece of described preceding attaching parts (10), the bottom of described second front frame (12) with described before the other side of attaching parts (10) be connected rotatedly by playing second rotary joint that makes described second front frame (12) also draw close effect when rotating towards a sidepiece of described go-cart vehicle frame, described front seats mechanism (1), described back seat mechanism (4) all is arranged between described first front frame (11) and described second front frame (12), and described front seats mechanism (1) is positioned at the place ahead of described back seat mechanism (4);

First underframe (13), the leading section of described first underframe (13) is connected rotatedly with described preceding attaching parts (10);

Second underframe (14), the leading section of described second underframe (14) is connected rotatedly with described preceding attaching parts (10);

First push rod (15), the bottom of described first push rod (15) rotate with the top of described first front frame (11) and are connected;

Second push rod (16), the bottom of described second push rod (16) rotate with the top of described second front frame (12) and are connected;

Back pole-bracket that can be laterally folded (17), described back pole-bracket (17) is arranged between first push rod (15), described second push rod (16), described first underframe (13), described second underframe (14), perhaps is arranged between described first front frame (11), described second front frame (12), described first underframe (13), described second underframe (14).

2. children's double carriage according to claim 1, it is characterized in that: described front seats mechanism (1) can be arranged between described first front frame (11) and described second front frame (12) with dismantling, when described go-cart vehicle frame is under the expanded position, described front seats mechanism (1) has first control position and second control position, when described front seats mechanism (1) is under first control position, described front seats mechanism (1) is provided with forward, when described front seats mechanism (1) is under second control position, described front seats mechanism (1) is provided with backwards.

3. children's double carriage according to claim 1, it is characterized in that: described front seats mechanism (1) comprise the preceding mounting (2) that is positioned at both sides, bottom and described before mounting (2) rotate the back rest (3) that is provided with, be arranged at described before preceding backrest lockout mechanism between mounting (2) and the described back rest (3), the described preceding mounting (2) of both sides is connected with described first front frame (11), described second front frame (12) of respective side respectively.

4. children's double carriage according to claim 1, it is characterized in that: described first front frame (11) part raises up and forms first portion that arches upward, described second front frame (12) part raises up and forms second portion that arches upward, and described first portion that arches upward of portion, described second that arches upward is arranged at the both sides of described front seats mechanism (1) as gusset.

5. children's double carriage according to claim 1, it is characterized in that: the leading section of described first underframe (13), the leading section of described second underframe (14) rotates by the 3rd rotating shaft (37) with described preceding attaching parts (10) and is connected, described go-cart vehicle frame also comprise with described first underframe (13) by the 5th rotating shaft (39) the bonded assembly first front-wheel connecting rod (8) that rotates, with described second underframe (14) by the 6th rotating shaft (40) the bonded assembly second front-wheel connecting rod (9) that rotates, one end of the described first front-wheel connecting rod (8) rotates by the 4th rotating shaft (38) with an end of the described second front-wheel connecting rod (9) and is connected, the other end of the described first front-wheel connecting rod (8) is provided with first front component, the other end of the described second front-wheel connecting rod (9) is provided with second front component, the rear portion of described first underframe (13) is provided with first wheel assembly, and the rear portion of described second underframe (14) is provided with second wheel assembly.

6. children's double carriage according to claim 1, it is characterized in that: described back seat mechanism (4) comprises the back mounting (5) that is positioned at both sides, and the described back mounting (5) of both sides is connected rotatedly with the rear portion of described first front frame of respective side, the rear portion of described second front frame respectively.

7. children's double carriage according to claim 1, it is characterized in that: described back pole-bracket (17) be by first rod member (21) intersect with second rod member (22) and infall rotate be connected constitute, one end of described first rod member (21) can be provided with on two crossing in-planes rotatedly by the bottom of the 3rd rotary joint (23) with described first push rod (15), the other end of described first rod member (21) can be provided with on two crossing in-planes rotatedly by the 6th rotary joint (26) and described second underframe (14), one end of described second rod member (22) can be provided with on two crossing in-planes rotatedly by the bottom of the 4th rotary joint (24) with described second push rod (16), and the other end of described second rod member (22) can be provided with on two crossing in-planes rotatedly by the 5th rotary joint (25) and described first underframe (13).

8. children's double carriage according to claim 1 is characterized in that: be provided with the stull (18) that can fold between the upper end of the upper end of described first push rod (15) and described second push rod (16).

9. children's double carriage according to claim 1 is characterized in that: described first rotary joint is first rotating shaft (35), and described second rotary joint is second rotating shaft (36).

10. children's double carriage according to claim 9, it is characterized in that: the bottom of described first front frame (11) has first inclined-plane (31), the bottom of described second front frame (12) has second inclined-plane (32), a sidepiece of attaching parts (10) has the 3rd inclined-plane (33) before described, the other side of attaching parts (10) has the 4th inclined-plane (34) before described, described first inclined-plane (31) matches with described the 3rd inclined-plane (33), described first rotating shaft (35) and described first inclined-plane (31), described the 3rd inclined-plane (33) is all perpendicular, described second inclined-plane (32) matches with described the 4th inclined-plane (34), described second rotating shaft (36) and described second inclined-plane (32), described the 4th inclined-plane (34) is all perpendicular.

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