CN220785836U

CN220785836U - Carrier basket transport vehicle

Info

Publication number: CN220785836U
Application number: CN202322786630.3U
Authority: CN
Inventors: 毕向阳; 张贤祝; 马浪; 李永光; 李伍军
Original assignee: Lixin Precision Intelligent Manufacturing Kunshan Co ltd
Current assignee: Lixin Precision Intelligent Manufacturing Kunshan Co ltd
Priority date: 2023-10-17
Filing date: 2023-10-17
Publication date: 2024-04-16
Anticipated expiration: 2033-10-17

Abstract

The utility model relates to the technical field of patch production, and particularly discloses a carrier basket transport vehicle, wherein a bearing assembly comprises a bearing seat, a locking piece and a first elastic piece, wherein the bearing seat is used for bearing a carrier basket, and the bottom of the carrier basket is provided with a locking groove with a downward opening; the locking piece is arranged on the bearing seat in a sliding manner along the Z direction, when the locking piece is positioned at the locking position, the locking part of the locking piece is positioned in the locking groove, and when the locking piece is positioned at the avoiding position, the locking part of the locking piece is positioned outside the locking groove, and the first elastic piece is arranged between the bearing seat and the locking piece and used for enabling the locking piece to be locked at the locking position; the brake handle is hinged to the vehicle body; one end of the first unlocking line is connected with the output end of the brake handle, and the other end of the first unlocking line is connected with the locking piece. The arrangement improves the carrying efficiency of the carrier basket.

Description

Carrier basket transport vehicle

Technical Field

The utility model relates to the technical field of patch production, in particular to a carrier basket transport vehicle.

Background

In the surface mount production process, personnel are often required to transport the carrier to the next production process station, and in order to improve the automation level, the current production line often uses an AGV trolley to transport the carrier. However, when the AGV car fails, it is necessary to manually move the carrier and carry the carrier basket of the carrier. This process, it takes great manpower, and transport inefficiency, and dropping of handling process carrier or carrier basket is easy to collide with personnel, causes harm to staff's personal safety easily.

For this reason, it is necessary to study a carrier basket carrier vehicle to solve the above-mentioned problems.

Disclosure of utility model

The utility model aims to provide a carrier basket transport vehicle which is used for solving the problems that the transport efficiency is low and the falling carrier basket causes harm to the personal safety of staff in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The present utility model provides a carrier basket transport vehicle comprising:

The lower end of the vehicle body is provided with a travelling wheel;

a carrier assembly, the carrier assembly comprising:

the bearing seat is used for bearing a carrier basket, and a locking groove with a downward opening is formed in the bottom of the carrier basket;

The locking piece is arranged on the bearing seat in a sliding manner along the Z direction and is provided with a locking position and an avoiding position; when the locking piece is positioned at the locking position, the locking part of the locking piece is positioned in the locking groove; when the locking piece is positioned at the avoiding position, the locking part of the locking piece is positioned outside the locking groove;

The first elastic piece is arranged between the bearing seat and the locking piece and is used for enabling the locking piece to be locked at the locking position;

A brake handle hinged to the vehicle body;

and one end of the first unlocking line is connected with the output end of the brake handle, and the other end of the first unlocking line is connected with the locking piece.

In some embodiments, two bearing assemblies are provided, and the two bearing assemblies are spaced along the Z direction; the upper bearing assembly is used for bearing the empty carrier basket; the lower carrying assembly is used for carrying the full carrier basket;

the carrier basket transport vehicle includes:

and one end of the second unlocking line is connected with the output end of the brake handle, and the other end of the second unlocking line is connected with the locking piece in the other bearing assembly.

In some embodiments, the vehicle body is provided with a stop, the carrier basket transport vehicle comprises a first sleeve and a second sleeve, the first sleeve is sleeved on the first unlocking line, and both ends of the first sleeve are fixed on the vehicle body; the second sleeve is sleeved on the second unlocking line, and both ends of the second sleeve are fixed on the vehicle body; and/or

The carrier basket transport vehicle comprises a branching piece and a bus, one end of the bus is connected with one end of the branching piece, and the other end of the bus is connected with the output end of the brake handle; one end of the first unlocking line and one end of the second unlocking line are connected to the other end of the branching piece.

In some embodiments, two locking pieces are provided, and the two locking pieces are both slidably arranged on the bearing seat along the Z direction; a connecting piece is connected between the two locking pieces, a fixing piece is arranged on the bearing seat, and a fixing groove is formed in the fixing piece;

the bearing assembly comprises a lifting rod, one end of the lifting rod is fixed with the connecting piece, the other end of the lifting rod penetrates through the fixing groove, the lifting rod is sleeved with the first elastic piece, one end of the first elastic piece is fixed with the lifting rod, and the other end of the first elastic piece is abutted to the fixing piece.

In some embodiments, the lifting rod comprises a rod body, a first stop portion and a second stop portion, the first stop portion is disposed at an upper end of the rod body, the second stop portion is disposed at the rod body, and the connecting piece is sandwiched between the first stop portion and the second stop portion.

In some embodiments, the rod body is at least partially threaded, and the second stop is a nut that is threaded with the rod body.

In some embodiments, the lever body is fixed with a locking clamp, the locking clamp comprises a clamp body and a locking screw, the clamp body is provided with a through groove penetrating through two end faces of the clamp body along the Z direction, an opening of the through groove is perpendicular to the Z direction, screw holes and mounting holes are respectively formed in two side walls of the through groove, and the locking screw penetrates through the mounting holes and is in threaded fit in the screw holes.

In some embodiments, the vehicle body is provided with a push rod, the push rod extends along an X direction, the brake handle is mounted on the push rod, and the X direction is perpendicular to the Z direction.

In some embodiments, the carrier assembly includes a carrier wheel rotatably disposed on the carrier seat, the carrier wheel for carrying the carrier basket.

In some embodiments, the locking member comprises a locking body, a locking tongue hinged to the locking body and having a locking position and a yielding position, and a second elastic member provided between the locking tongue and the locking body and for stopping the locking tongue in the locking position; when the locking piece is positioned at the locking position, the lock tongue positioned at the locking position is positioned in the locking groove; the lock tongue is provided with an inclined plane which is inclined from bottom to top forwards; the carrier basket can slide from back to front to the bearing seat.

The beneficial effects of the utility model are as follows:

The carrier basket transport vehicle provided by the utility model has the advantages that the carrier basket transport vehicle is provided with the vehicle body structure and the bearing assembly is arranged on the vehicle body, so that the carrier basket is borne, the labor intensity of workers is reduced, the carrying efficiency is improved, in addition, the locking piece and the first elastic piece are arranged on the bearing seat, so that the locking piece can be positioned at the locking position to lock the carrier basket positioned on the bearing seat, the carrier basket is prevented from falling in the transport process, the problem of collision to the workers is avoided, and the personal safety of the workers is ensured. Through the setting of brake handle and first unlocking line, realized the unblock of locking piece to improve the efficiency that carrier basket was lifted off from bearing assembly, improved the transport efficiency of carrier basket.

Drawings

FIG. 1 is a schematic diagram of a carrier basket cart in accordance with an embodiment of the present utility model;

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

FIG. 3 is an enlarged view at B in FIG. 1;

fig. 4 is a schematic diagram of a matching structure of a carrier basket and a latch according to an embodiment of the present utility model.

In the figure:

1000. a carrier basket; 1100. A locking groove;

100. A vehicle body; 110. A push rod;

200. A carrier assembly; 210. a bearing seat; 211. a fixing member; 212. a lifting rod; 2121. a lever body; 2122. a first stop portion; 2123. a second stop portion; 2124. a locking clip; 220. a locking member; 221. a locking body; 222. a bolt; 223. a second elastic member; 224. a connecting piece; 230. a first elastic member; 240. a carrying wheel;

300. a brake handle; 310. a first unlocking line; 320. a second unlocking line; 330. a stopper; 340. a branching piece; 350. a bus.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

As shown in fig. 1 to 4, the present embodiment provides a carrier basket transport vehicle, which includes a vehicle body 100, a bearing assembly 200, a brake handle 300 and a first unlocking line 310, wherein a travelling wheel is provided at the lower end of the vehicle body 100, the vehicle body 100 travels through the travelling wheel, and the travelling wheel may be a universal wheel. The bearing assembly 200 comprises a bearing seat 210, a locking piece 220 and a first elastic piece 230, wherein the bearing seat 210 is used for bearing a carrier basket 1000, and a locking groove 1100 with a downward opening is arranged at the bottom of the carrier basket 1000; the locking piece 220 is slidably arranged on the bearing seat 210 along the Z direction, and the locking piece 220 is provided with a locking position and a avoiding position; when the locking member 220 is located at the locking position, the locking portion of the locking member 220 is located in the locking groove 1100, so that the carrier basket 1000 can be prevented from moving in a direction perpendicular to the extending direction of the locking member 220; when the locking member 220 is located at the escape position, the locking portion of the locking member 220 is located outside the locking groove 1100, so that the carrier basket 1000 moves along the direction perpendicular to the extension direction of the locking member 220 to carry the seat 210; the first elastic member 230 is disposed between the carrier 210 and the locking member 220, and is used for stopping the locking member 220 at the locking position; the brake handle 300 is hinged to the vehicle body 100; one end of the first unlocking line 310 is connected to the output end of the brake lever 300, and the other end is connected to the locking member 220.

According to the carrier basket transport vehicle, the vehicle body 100 is arranged, and the bearing assembly 200 is arranged on the vehicle body 100, so that the carrier basket 1000 is borne, the labor intensity of workers is reduced, and the carrying efficiency is improved; in addition, the locking piece 220 and the first elastic piece 230 are arranged on the bearing seat 210, so that the locking piece 220 can be located at a locking position to lock the carrier basket 1000 on the bearing seat 210, thereby avoiding the carrier basket 1000 from falling off in the transportation process, improving the safety of the carrier basket 1000, avoiding the collision problem to the staff and guaranteeing the personal safety of the staff. Through the arrangement of the brake handle 300 and the first unlocking line 310, unlocking of the locking member 220 is achieved, so that the efficiency of detaching the carrier basket 1000 from the carrier assembly 200 is improved, and the carrying efficiency of the carrier basket 1000 is further improved.

In some embodiments, two bearing assemblies 200 are provided, and the two bearing assemblies 200 are spaced apart along the Z direction; the upper carrying assembly 200 is used for carrying an empty carrier basket 1000; the lower carrier assembly 200 is used for carrying the full carrier basket 1000; the carrier basket transport vehicle includes a second unlocking line 320, the second unlocking line 320, one end of the second unlocking line 320 is connected to the output end of the brake handle 300, and the other end is connected to the locking member 220 in the other carrier assembly 200. By means of the arrangement of the structure, the carrier basket transport vehicle can transport two carrier baskets 1000 simultaneously, and the transport efficiency of the carrier basket 1000 is greatly improved. In addition, the second unlocking line 320 is provided to enable one brake handle 300 to complete unlocking of the two locking members 220, so that the two carrier baskets 1000 are convenient to be detached from the carrier seats 210, and the unloading efficiency of the carrier basket 1000 is improved. In this embodiment, the carrier basket 1000 slides in the Y direction to the loading position on the loading base 210. The carrier 210 has a stopper, and the carrier basket 1000 at the carrier position is abutted against the stopper, and the stopper and the locking member 220 are located at both inner and outer sides of the slot wall of the locking slot 1100.

In order to facilitate the arrangement of the first unlocking line 310 and the second unlocking line 320, in this embodiment, the vehicle body 100 is provided with a stop 330, the carrier basket carrier vehicle includes a first sleeve and a second sleeve, the first sleeve is sleeved on the first unlocking line 310, and both ends of the first sleeve are fixed to the vehicle body 100; the second sleeve is sleeved on the second unlocking line 320, and both ends of the second sleeve are fixed to the vehicle body 100. Wherein, one end of the first sleeve and one end of the second sleeve are fixed at the stop 330. It should be noted that the first unlocking line 310 and the second unlocking line 320 operate in the same manner as the distance from the bicycle brake. Specifically, when the brake handle 300 rotates, the first unlocking line 310 and the second unlocking line 320 are drawn, so that both the locking members 220 are moved to the avoiding position, at this time, the carrier basket 1000 can be moved out of the carrying seat 210, and after the brake handle 300 is released, both the locking members 220 are restored to the locking positions under the action of the two first elastic members 230.

The carrier basket transport vehicle comprises a branching piece 340 and a bus 350, wherein one end of the bus 350 is connected with one end of the branching piece 340, and the other end of the bus 350 is connected with the output end of the brake handle 300; one end of the first unlocking line 310 and one end of the second unlocking line 320 are connected to the other end of the branching member 340. The brake handle 300 is like a lever, the brake handle 300 is hinged to the vehicle body 100, and the other end of the bus bar 350 is connected to one end of the brake handle 300, and pulling the brake handle 300 causes the bus bar 350 to be drawn, thereby causing the first unlocking line 310 and the second unlocking line 320 to be drawn.

In some embodiments, two locking members 220 are provided in the same carrier assembly 200, and both locking members 220 are slidably disposed on the carrier 210 along the Z direction; a connecting piece 224 is connected between the two locking pieces 220, a fixing piece 211 is arranged on the bearing seat 210, and a fixing groove is formed in the fixing piece 211; the bearing assembly 200 includes a lifting rod 212, one end of the lifting rod 212 is fixed to the connecting piece 224, the other end passes through the fixing groove, the first elastic piece 230 is sleeved on the lifting rod 212, one end of the first elastic piece is fixed to the lifting rod 212, and the other end of the first elastic piece abuts against the fixing piece 211. The arrangement of the above structure realizes the simultaneous control of one unlocking line to two locking pieces 220. The two locking members 220 are disposed at intervals along the X direction, and both the two locking members 220 can be inserted into the locking groove 1100, so that the carrier basket 1000 is fixed more firmly.

Regarding the structure of the lifting rod 212, in the present embodiment, the lifting rod 212 includes a rod body 2121, a first stop portion 2122 and a second stop portion 2123, the first stop portion 2122 is disposed at an upper end of the rod body 2121, the second stop portion 2123 is disposed at the rod body 2121, and the connecting member 224 is sandwiched between the first stop portion 2122 and the second stop portion 2123. The above arrangement allows the connector 224 to be pushed down by the first stopper 2122 when the lifting rod 212 is lowered, and allows the connector 224 to be pushed up by the second stopper 2123 when the lifting rod 212 is raised.

In some embodiments, the stem body 2121 is at least partially threaded and the second stop 2123 is a nut that is threaded with the stem body 2121. The above arrangement accommodates connectors 224 of different thickness. In other embodiments, the second stop 2123 and the stem body 2121 may be joined by welding or bonding.

The rod body 2121 is fixedly provided with a locking clamp 2124, the locking clamp 2124 comprises a clamp body and locking screws, the clamp body is provided with a through groove which penetrates through two end faces of the clamp body along the Z direction, an opening of the through groove is perpendicular to the Z direction, screw holes and mounting holes are respectively formed in two side walls of the through groove, and the locking screws penetrate through the mounting holes and are in threaded fit in the screw holes. In some embodiments, the upper end of the spring may be welded to the stem body 2121. In some embodiments, an upper end of the spring may abut the second stop 2123.

To improve the convenience of operation, in some embodiments, the vehicle body 100 is provided with a push rod 110, the push rod 110 extends in the X direction, and the brake lever 300 is mounted to the push rod 110. The worker can hold the push rod 110 to push the carrier basket carrier, improving convenience of operation and simultaneously facilitating operation of the brake handle 300. In this embodiment, the X direction, the Y direction, and the Z direction are perpendicular to each other.

When loading the carrier basket 1000, the carrier basket 1000 is generally pushed from the rear to the front in the Y direction so that the carrier basket 1000 moves onto the carrier seats 210. The locking piece 220 comprises a locking body 221, a lock tongue 222 and a second elastic piece 223, wherein the lock tongue 222 is hinged to the locking body 221 through a lock shaft and is provided with a locking position and a yielding position, and the second elastic piece 223 is arranged between the lock tongue 222 and the locking body 221 and is used for stopping the lock tongue 222 at the locking position; when the locking piece 220 is located at the locking position, the lock tongue 222 located at the locking position is located in the locking groove 1100; the lock tongue 222 has a slope, which slopes from bottom to top; the carrier basket 1000 can slide back and forth to the carrier 210. Under the premise that the position of the locking body 221 is unchanged by the arrangement of the structure, the side wall at the front side of the locking groove 1100 of the carrier basket 1000 can drive the lock tongue 222 to move to the yielding position, and when the side wall at the front side of the locking groove 1100 of the carrier basket 1000 passes over the lock tongue 222, the lock tongue 222 automatically returns to the locking position under the action of the second elastic piece 223, so that the carrier basket 1000 is locked. Wherein the stiffness coefficient of the first elastic member 230 is greater than the stiffness coefficient of the second elastic member 223.

In some embodiments, the carrier assembly 200 includes a carrier wheel 240, the carrier wheel 240 is rotatably disposed on the carrier base 210, and the carrier wheel 240 is used for carrying the carrier basket 1000. Specifically, the carrier wheel 240 is provided with two rows, and the two disk carrier wheels 240 are arranged at intervals in the X direction. The axis of the carrier wheel 240 is parallel to the X-direction. The carrier 210 is provided with a first limiting portion and a second limiting portion, where the first limiting portion and the second limiting portion reside on the outer sides of the two rows of carrier wheels 240 and are respectively used to limit two sides of the carrier basket 1000. The distance between the first limit part and the second limit part is reduced from back to front and then is unchanged.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. A carrier basket transport cart, comprising:

The vehicle comprises a vehicle body (100), wherein the lower end of the vehicle body (100) is provided with travelling wheels;

A carrier assembly (200), the carrier assembly (200) comprising:

the bearing seat (210), the bearing seat (210) is used for bearing a carrier basket (1000), and a locking groove (1100) with a downward opening is arranged at the bottom of the carrier basket (1000);

The locking piece (220) is arranged on the bearing seat (210) in a sliding manner along the Z direction, and the locking piece (220) is provided with a locking position and an avoiding position; when the locking piece (220) is positioned at the locking position, a locking part of the locking piece (220) is positioned in the locking groove (1100); when the locking piece (220) is positioned at the avoiding position, a locking part of the locking piece (220) is positioned outside the locking groove (1100);

A first elastic member (230), wherein the first elastic member (230) is arranged between the bearing seat (210) and the locking member (220) and is used for stopping the locking member (220) at the locking position;

A brake handle (300), the brake handle (300) being hinged to the vehicle body (100);

and one end of the first unlocking line (310) is connected with the output end of the brake handle (300), and the other end of the first unlocking line (310) is connected with the locking piece (220).

2. The carrier basket transport vehicle of claim 1, wherein two of said carrier assemblies (200) are provided, two of said carrier assemblies (200) being spaced apart along said Z-direction; -the upper carrier assembly (200) is for carrying the empty carrier basket (1000); -the underlying carrier assembly (200) for carrying the full carrier basket (1000);

the carrier basket transport vehicle includes:

And one end of the second unlocking line (320) is connected with the output end of the brake handle (300), and the other end of the second unlocking line (320) is connected with the locking piece (220) in the other bearing assembly (200).

3. The carrier basket transport vehicle according to claim 2, wherein a stopper (330) is provided on the vehicle body (100), the carrier basket transport vehicle comprises a first sleeve and a second sleeve, the first sleeve is sleeved on the first unlocking line (310), and both ends are fixed on the vehicle body (100); the second sleeve is sleeved on the second unlocking line (320), and both ends of the second sleeve are fixed on the vehicle body (100); and/or

The carrier basket transport vehicle comprises a branching piece (340) and a bus (350), one end of the bus (350) is connected with one end of the branching piece (340), and the other end of the bus (350) is connected with the output end of the brake handle (300); one end of the first unlocking line (310) and one end of the second unlocking line (320) are connected to the other end of the branching piece (340).

4. The carrier basket cart according to claim 1, wherein two locking members (220) are provided, and both locking members (220) are slidably disposed on the carrier base (210) along the Z direction; a connecting piece (224) is connected between the two locking pieces (220), a fixing piece (211) is arranged on the bearing seat (210), and a fixing groove is formed in the fixing piece (211);

The bearing assembly (200) comprises a lifting rod (212), one end of the lifting rod (212) is fixed with the connecting piece (224), the other end of the lifting rod passes through the fixing groove, the lifting rod (212) is sleeved with the first elastic piece (230), one end of the first elastic piece is fixed with the lifting rod (212), and the other end of the first elastic piece is abutted to the fixing piece (211).

5. The carrier basket transport vehicle of claim 4, wherein the lifting rod (212) includes a rod body (2121), a first stop portion (2122) and a second stop portion (2123), the first stop portion (2122) is provided at an upper end of the rod body (2121), the second stop portion (2123) is provided at the rod body (2121), and the connecting piece (224) is sandwiched between the first stop portion (2122) and the second stop portion (2123).

6. The carrier basket transport vehicle of claim 5, wherein the lever body (2121) is at least partially threaded and the second stop (2123) is a nut that is threaded with the lever body (2121).

7. The carrier basket transport cart of claim 5, wherein a locking clip (2124) is fixed on the rod body (2121), the locking clip (2124) comprises a clip body and a locking screw, the clip body is provided with a through groove penetrating through two end faces of the clip body along the Z direction, an opening of the through groove is perpendicular to the Z direction, screw holes and mounting holes are respectively formed in two side walls of the through groove, and the locking screw penetrates through the mounting hole and is in threaded fit in the screw holes.

8. The carrier basket transport vehicle according to claim 1, wherein a push rod (110) is provided on the vehicle body (100), the push rod (110) extends in an X direction, and the brake handle (300) is mounted on the push rod (110), the X direction being perpendicular to the Z direction.

9. The carrier basket cart of claim 1, wherein said carrier assembly (200) includes a carrier wheel (240), said carrier wheel (240) rotatably mounted to said carrier base (210), said carrier wheel (240) for carrying said carrier basket (1000).

10. The carrier basket transport vehicle of any one of claims 1-9, wherein the locking member (220) comprises a locking body (221), a locking tongue (222) and a second resilient member (223), the locking tongue (222) being hinged to the locking body (221) and having a locking position and a yielding position, the second resilient member (223) being provided between the locking tongue (222) and the locking body (221) and being adapted to stop the locking tongue (222) in the locking position; -when the locking member (220) is in the locked position, the locking tongue (222) in the locked position is in the locking groove (1100); the lock tongue (222) is provided with an inclined surface which inclines forwards from bottom to top; the carrier basket (1000) can slide from back to front to the carrying seat (210).