CN209377025U

CN209377025U - Dining car out

Info

Publication number: CN209377025U
Application number: CN201822061346.9U
Authority: CN
Inventors: 申绪满; 申俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-08
Filing date: 2018-12-08
Publication date: 2019-09-13
Anticipated expiration: 2028-12-08

Abstract

The utility model discloses a kind of dining car, including vehicle frame and gear lockable mechanism out, and wherein vehicle frame is rectangular frame structure, and four edges of the bottom of frame are respectively provided with a universal wheel；Balance meal frame is equipped in vehicle frame, balance meal frame has at least one layer of tableware placement platform；It is equipped with horizontal connection axis at the center of balance meal top of the trellis, which is rotatably assorted with support, and support is installed at the top of vehicle frame.This goes out dining car enables balance meal frame relative to the forward and backward swing of vehicle frame by way of horizontal connection axis+support, this case simultaneously is meshed using gear and arc-shaped rack is effectively reduced the speed that balance meal frame is swung, swing balance meal frame slowly, the meal juice that can be thus effectively prevented from tableware is splashed to outside tableware, thus it could go out meal without needing two waiters effectively to cooperate as before again, not only save a waiter, it reduces costs, working strength is effectively reduced, and speed of eating greatly improved out.

Description

Dining car out

Technical field

The utility model relates to catering field, specially a kind of dining car out.

Background technique

Dining car is the common apparatus of catering industry out, it, which is mainly used for vegetable being transported to dining room from kitchen, serves, and existing Some go out dining car be essentially weld multistory frame structure, four edges in dining car bottom out be separately installed with one it is universal Wheel, to flexibly turn to.It is required due to needing to meet draining etc., the height in kitchen is generally greater than or is lower than dining room height, dish delivery Upward slope or descending section will be encountered in the process.Currently, needing subsequent people that will go out the lift of dining car rear portion when by uphill way It rises, outrunner buttresses out dining car front, keeps balance to use dining car, guarantees that the tableware in dining car out is horizontal, avoids tableware Interior meal juice spluttering.When by descending section, needs outrunner that will go out dining car front and lift, after subsequent people buttresses out dining car Portion keeps balance to use dining car.

Defect of the existing technology is as follows:

1, it since existing dining car is in uphill, downhill, needs two people cooperation to be just able to maintain out dining car approximate horizontal, works Intensity is big, and human cost is high, and speed of eating out is slow, is easy to cause in food product and cools off after the meal, influences guest and have dinner；Also, it cannot protect Demonstrate,prove out fully horizontal when dining car uphill, downhill, the meal juice in tableware still may splash outside tableware, thus must it is upper before the meal Meal juice on tableware is wiped with towel is matched with, not only more procedures, but also be unfavorable for guaranteeing health.

2, four universal wheels of dining car bottom are easy disorderly to shake out when due to uphill, downhill, to guarantee that righting difficulty is big.

Utility model content

The purpose of this utility model is to provide one kind to go out dining car, keeps water to use the tableware that meal goes out in the process on dining car It is flat, avoid the meal juice spluttering in tableware.

One kind going out dining car, it is characterised in that: including vehicle frame (1) and gear lockable mechanism, wherein vehicle frame (1) is rectangular frame Structure, four edges of the bottom of frame are respectively provided with a universal wheel (2), and vehicle frame (1) passes through this four universal wheel (2) branch Support on the ground, and is moved；Balance meal frame (3) is equipped in the vehicle frame, there is balance meal frame at least one layer of tableware to put Horizontalization platform (3a), the tableware placement platform is for placing tableware；Horizontal connection is equipped at center at the top of balance meal frame (3) Axis (4), the horizontal connection axis are rotatably assorted with support (5), and support (5) is installed at the top of the vehicle frame (1), so that balance be made to eat Frame (3) can be around horizontal connection axis (4) towards the forward and backward side oscillation of vehicle frame (1)；Balance meal frame (3) bottom and vehicle frame (1) bottom It is connected between portion by rack and pinion assembly, the gear (6) in the rack and pinion assembly is mounted on described in a manner of being rotatably assorted On balance meal frame (3) or vehicle frame (1), and the axial line of gear (6) and horizontal connection axis (4) axis parallel；The tooth The rack gear (7) taken turns in rack assembly is arc-shaped rack, which often engages with gear (6), and the center of rack gear (7) is fallen in On the axial line of the horizontal connection axis (4)；

The gear lockable mechanism is used to control the rotations of gear (6), and selectively locking or can unclamp the gear (6)。

Before meal delivering, first the tableware equipped with vegetable is orderly placed on tableware placement platform, all tableware placement platforms Start meal delivering after occupying tableware；When meal delivering, a waiter station pushes this to go out dining car on rear side of dining car out, and forward.In level road When, waiter need to only push dining car mobile, and waiter is not necessarily to manipulation and control hand handle at this time.When encountering uphill, downhill section, vehicle Frame can follow road surface run-off the straight, and waiter, which holds with a firm grip, at this time controls hand handle, and to unclamp gear, balance meal frame can be in weight at this time It is swung under power effect relative to vehicle frame, can thus make the tableware on balance meal frame that the angle tilt of very little can also occur, but big It is kept on body horizontal；Also, in the swing process of balance meal frame, gear can slow down to balance meal frame, limiting balance meal frame Swing speed, so that balance meal frame be made slowly to swing, and gear+arc-shaped rack and horizontal connection axis+support it is organic cooperate with, It cooperates, the meal juice spluttering that can be effectively prevent in tableware.After the tableware that ready to balance is eaten on frame is fully horizontal, waiter unclamps Hand handle is controlled, so again by gear locking, gear cannot rotate at this time, and balance meal frame cannot also be swung again.

Using above technical scheme, this goes out dining car and is provided separately balance meal frame and vehicle frame, and by horizontal connection axis+ The form of seat enables balance meal frame relative to the forward and backward swing of vehicle frame, thus enable balance meal frame in slope section Gravity lower swing, and keep the tableware holding on balance meal frame horizontal；Meanwhile this case is meshed using gear and arc-shaped rack It is effectively reduced the speed that balance meal frame is swung, balance meal frame is swung slowly, can thus be effectively prevented from tableware Meal juice is splashed to outside tableware, and the locking of gear is reliable, convenient for unlocking, does not have to thus need two services as before again Member's effectively cooperation could go out meal, not only save a waiter, reduce costs, effectively reduce working strength, and substantially Speed of eating is improved out, ensure that out food product matter, also eliminates and wipes marginate link of eating with towel, advantageously ensure that and defend It is raw, to bring glad tidings for vast catering industry.

As a kind of embodiment of this case, the gear (6) is mounted on balance meal frame (3) bottom, and rack gear (7) is mounted on vehicle Frame (1) bottom, the arc-shaped tooth indent of the rack gear.

As another embodiment of this case, the gear (6) is mounted on vehicle frame (1) bottom, and rack gear (7) is mounted on balance Meal frame (3) bottom, the arc-shaped tooth evagination of the rack gear.

As preferred design, the gear lockable mechanism includes control hand handle (8) and lock piece (10), wherein controlling hand handle (8) it is mounted on handle (1a), which is transversely mounted on the top on rear side of the vehicle frame (1), and controls hand handle (8) and pass through control Component (9) processed is connected with the lock piece (10)；When loosening, tighten control hand handle (8), lock piece (10) being capable of locking or pine Open the gear (6).

In said structure, waiter is controlled using control hand handle (8), easy to operate, quick, does not influence waiter Normal walking, and the gear lockable mechanism structure of this case is simple, easy to operate, implements to be easy.

As a kind of embodiment of this case, the control assembly (9) be traction cable, the drag-line (9a) of the traction cable with Lock piece (10) back side is fixed, and the latch segment side and the inner wall of (11) two sections of U-shaped block are slidably matched, and the U-shaped block is solid Dingan County is set between lock piece (10) back side and the connection side of U-shaped block (11) on the vehicle frame (1) or balance meal frame (3) There are return spring (12)；The lock piece (10) is equipped with arc-shaped gear (10a-1) close to the side of gear (6), in the control hand handle (8) under control, which selectively can engage or be detached from the gear (6).

Using the above structure, this case controls the movement of lock piece (10) using control hand handle (8), and makes lock piece (10) Arc-shaped gear (10a-1) selectively can be engaged or be detached from the gear (6), and control structure is simple, easy to operate.Also, This case is served as control assembly (9) using traction cable, and traction cable is simple, reliable, is easy to draw materials, low in cost.Certainly, having In body implementation process, it is not intended to limit certain this structure for using the present embodiment.

As another embodiment of this case, the control assembly (9) is traction cable, the drag-line (9a) of the traction cable For controlling hood type brake assemblies, two brake discs of the hood type brake assemblies are lived apart in the gear (6) two sides, and energy It holds tightly gear (6), to make gear (6) that cannot rotate.

As preferred design, a wheel orientation is respectively equipped between the universal wheel (2) of two of front side and vehicle frame (1) Component, the wheel orientation assemblies can make two universal wheel (2) switching states between universal wheel and one-way wheel of front side；It is described Wheel orientation assemblies include bolt (19) and radial peg (25), and wherein bolt (19) is 7 character form structures, and the bolt is also cross upper Via hole on bracket (20) and lower bracket (21), and upper and lower bracket is fixed on the vehicle frame (1), and bolt (19) lower end It is inserted into corresponding to the via hole on the universal wheel (2) mounting plate；

It is installed with a limited block (23) at the top of the upper bracket (20), the horizontal segment of the bolt (19) can be caught in limit In arc groove at the top of position block (23)；Spring (24) are set on bolt (19) between the upper and lower bracket (20,21), The spring (24) is clamped between upper bracket (20) and the radial peg (25), and the position which moves down is by under described Bracket (21) limitation.

In said structure, we can stir bolt (19) above and below as needed, to make two universal wheels of front side (2) switching state between universal wheel and one-way wheel.When encountering uphill, downhill section, two universal wheels (2) of front side are unidirectional Wheel state, the two universal wheels can only be rotated circumferentially, cannot be swung, and thus be convenient for being smoothly through slope section. When needing flexible rotating on level road, then bolt is dialed up, makes four universal wheels that can swing.

Preferably, balance meal frame (3) is the trapezium structure of upper big, lower small, and there are the 2-6 layers of tableware to place Platform (3a).

Using the above structure, balance meal frame (3) is the trapezium structure of upper big, lower small, balance meal when preventing from uphill, downhill Frame (3) lower part be more than vehicle frame (1) too much, so that balance meal frame (3) lower part be avoided to encounter the leg of foreign object or the people that damages, Jin Erti High security.The number of plies of tableware placement platform (3a) is 2-6 layers, and number is moderate, has both been avoided that the number of plies is very little and causes once to go out Meal is very little, guarantees speed of eating out, but can be too many to avoid the number of plies and lead to this dining car structure is complicated, manufacturing cost is significantly increased And occupied space.

Compared with prior art, the utility model has the beneficial effects that

1, this goes out dining car and is provided separately balance meal frame and vehicle frame, and makes to balance by way of horizontal connection axis+support Frame of eating can thus enable balance meal frame swing under the effect of gravity in slope section relative to the forward and backward swing of vehicle frame, And keep the tableware holding on balance meal frame horizontal；Meanwhile this case is meshed using gear and arc-shaped rack and is effectively reduced balance The speed that frame of eating is swung swings balance meal frame slowly, and the meal juice that can be thus effectively prevented from tableware is splashed to tableware Outside, and the locking of gear is reliable, convenient for unlocking, does not have to thus that two waiters is needed effectively to cooperate ability as before again It eats out, not only saves a waiter, reduce costs, effectively reduce working strength, and speed of eating greatly improved out, It ensure that out food product matter, also eliminate and wipe marginate link of eating with towel, advantageously ensure that health, to be vast food and drink Industry brings glad tidings；

2, two universal wheels on front side of this case can between universal wheel and one-way wheel free switching, thus in slope section When make the two universal wheel one-way wheels in front side, convenient for control direction, and when level road needs to flexibly turn to, make on front side of two ten thousand Universal wheel state is switched to by one-way wheel to wheel, it is easy switching, quick.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment 1 and 2.

Fig. 2 is the top view of Fig. 1.

Fig. 3 is the partial enlarged view of part A in 1.

Fig. 4 is the partial enlarged view of part B in Fig. 1.

Fig. 5 is schematic diagram of the Fig. 1 at descending section.

Fig. 6 is the schematic diagram of 3 middle gear lockable mechanism of the utility model embodiment.

Fig. 7 is the schematic diagram of the utility model embodiment 3.

Fig. 8 is schematic diagram of the Fig. 7 at descending section.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Embodiment 1

Such as Fig. 1-5, one kind going out dining car, is mainly made of vehicle frame 1 and gear lockable mechanism etc..Wherein, vehicle frame 1 is rectangle frame Frame structure, and preferably stainless steel welded molding, the vehicle frame 1 have four columns, this four columns is located at the same rectangle On four vertex, and the upper and lower end of adjacent two root posts passes through crossbeam respectively and is connected with stringer, and crossbeam and stringer and column weld Connect fixation.Four edges of 1 bottom of vehicle frame are respectively provided with a universal wheel 2, and vehicle frame 1 is supported on by this four universal wheels 2 On ground, and moved.

A wheel orientation assemblies are respectively equipped between two universal wheels 2 and vehicle frame 1 of front side, the wheel orientation assemblies energy Enough make two universal wheels 2 of front side switching state between universal wheel and one-way wheel.Wheel orientation assemblies include bolt 19 and diameter To pin 25, wherein bolt 19 is 7 character form structures, and the bolt is and upper and lower also cross the via hole on upper bracket 20 and lower bracket 21 Bracket is fixed on vehicle frame 1, and 19 lower end of bolt is inserted into the via hole on corresponding 2 mounting plate of universal wheel.

A limited block 23 is installed at the top of upper bracket 20, the horizontal segment of bolt 19 can be caught in the arc at 23 top of limited block In connected in star.It is set with spring 24 on bolt 19 between upper bracket 20, lower bracket 21, which is clamped in 20 He of upper bracket Between radial peg 25, the position which moves down is limited by lower bracket 21.Balance meal frame 3, the balance are equipped in vehicle frame 1 Frame 3 of eating has at least one layer of tableware placement platform 3a, the tableware placement platform 3a for placing tableware.Balance meal frame 3 be it is upper it is big, Under small trapezium structure, and there are 2-6 layers of tableware placement platform 3a.Also, balance meal frame 3 can using it is stainless steel welded at Type can also be formed using plastics integral molded plastic.Horizontal connection axis 4 is equipped at the center at 3 top of balance meal frame, the level is even Spindle 4 is rotatably assorted with support 5, and support 5 is installed in 1 top of vehicle frame, to enable balance meal frame 3 around 4 court of horizontal connection axis The front side of vehicle frame 1 and rear side are swung.In the present case, horizontal connection axis 4 can use a root long axis, the both ends of this root long axis with it is right The support 5 that should be held is rotatably assorted.Also, horizontal connection axis 4 can also be served as using two short axles on same straight line, this The end of two short axles is rotatably assorted with corresponding support 5.

Such as Fig. 1-5, it is connected between the center and the center of 1 bottom of vehicle frame of balance meal 3 bottom of frame by rack and pinion assembly, Gear 6 in the rack and pinion assembly is mounted on balance meal frame 3 or vehicle frame 1 in a manner of being rotatably assorted, and the axial line of gear 6 With 4 axis parallel of horizontal connection axis.Gear 6 is mounted on gear shaft (not marking in figure) by bearing holder (housing, cover), the gear shaft and water Flushconnection axis 4 is parallel, and gear shaft is mounted on balance meal frame 3 or vehicle frame 1.Rack gear 7 in rack and pinion assembly is arc-shaped gear Item, rack gear 7 are mounted on different components from gear 6.Rack gear 7 is often engaged with gear 6, and the center of rack gear 7 falls in horizontal connect On the axial line of spindle 4.In the present embodiment, gear 6 is mounted on balance meal 3 bottom of frame, and rack gear 7 is mounted on 1 bottom of vehicle frame, should The arc-shaped tooth indent of rack gear 7.

Gear lockable mechanism is used to control the rotation of gear 6, and selectively locking or can unclamp the gear 6.When gear 6 When being locked up, balance meal frame 3 cannot be swung；When gear 6 is released, balance meal frame 3 can be around horizontal connection axis 4 towards vehicle frame 1 Forward and backward side around swing.

In the present embodiment, gear lockable mechanism includes control hand handle 8 and lock piece 10, wherein control hand handle 8 is outsourcing Bicycle or motorcycle brake control hand handle.Control hand handle 8 is mounted on handle 1a, after which is transversely mounted on vehicle frame 1 The top of side, and control hand handle 8 and be connected by control assembly 9 with lock piece 10.When the hand of waiter loosens, tighten control hand handle 8, Lock piece 10 being capable of locking or release gear 6.In the specific implementation process, foot-operated control mode can also be used, not It is limited only to handle type control mode described in this case.

Before meal delivering, first the tableware equipped with vegetable is orderly placed on tableware placement platform 3a, all tablewares are placed flat Platform 3a starts meal delivering after occupying tableware；When meal delivering, a waiter station pushes this to go out dining car on rear side of dining car out, and forward.? When level road, waiter need to only push dining car mobile, and waiter is not necessarily to manipulation and control hand handle 8 at this time.Encounter uphill, downhill section When, vehicle frame 1 can follow road surface run-off the straight, and waiter, which holds with a firm grip, at this time controls hand handle 8, and to unclamp gear 6, balance is eaten at this time Frame 3 can be swung relative to vehicle frame 1 under the effect of gravity, can thus make the tableware on balance meal frame 3 that the angle of very little can also occur Degree inclination, but generally keep horizontal；Also, in the swing process of balance meal frame 3, gear 6 can subtract balance meal frame 3 Speed, the swing speed of limiting balance meal frame 3, to make balance meal frame 3 slowly swing, and gear+arc-shaped rack and level connect The organic collaboration of spindle 4+ support 5, mutual cooperation, the meal juice spluttering that can be effectively prevent in tableware.The tableware that ready to balance is eaten on frame 3 After fully horizontally, waiter unclamps control hand handle 8, and so again by 6 locking of gear, gear 6 cannot rotate at this time, balance meal frame 3 Also it cannot swing again.

Using above technical scheme, this goes out dining car and is provided separately balance meal frame 3 and vehicle frame 1, and by horizontal connection axis+ The form of support enables balance meal frame relative to the forward and backward swing of vehicle frame, thus enables balance meal frame 3 in slope section It swings under the effect of gravity, and keeps the tableware J holding on balance meal frame 3 horizontal；Meanwhile this case utilizes gear and arc-shaped rack phase Engagement is effectively reduced the speed that balance meal frame 3 is swung, and swings balance meal frame 3 slowly, can thus be effectively prevented from meal Meal juice in tool J is splashed to outside tableware J, and the locking of gear is reliable, convenient for unlocking, does not have to thus need as before again Two waiters, which effectively cooperate, could go out meal, not only save a waiter, reduce costs, it is strong to effectively reduce work Degree, and speed of eating greatly improved out, it ensure that out food product matter, also eliminate and wipe marginate link of eating with towel, favorably In guaranteeing health, to bring glad tidings for vast catering industry.

Embodiment 2

Referring to Fig.1-5, the present embodiment on the basis of embodiment 1, refines gear lockable mechanism.Control assembly 9 The preferably traction cable of outsourcing, drag-line 9a and 10 back side of lock piece of the traction cable are fixed, which is mounted in U-shaped block In 11.The side of latch segment 10 and the inner wall of 11 two sections of U-shaped block are slidably matched, which is fixedly mounted on vehicle frame 1 or balance It eats on frame 3, and is equipped with more return springs 12 between 10 back side of lock piece and the connection side of U-shaped block 11.The one of all return springs 12 End is caught in the groove that U-shaped block 11 connects on side, and the other end of return spring 12 is caught in the groove at 10 back side of lock piece.Drag-line group One end protective case 9b of part is fixed in the control hand handle 8, and the other end of protective case 9b is fixed on the connection side of U-shaped block 11 On.Lock piece 10 is equipped with arc-shaped gear 10a-1 close to the side of gear 6, and arc-shaped gear 10a-1 and the tooth form of gear 6 are adapted.When When the hand of waiter loosens, tighten control hand handle 8, control hand handle 8 drives lock piece 10 to slide in U-shaped block 11 by traction cable, So as to make the arc-shaped gear 10a-1 of lock piece 10 selectively engage or be detached from gear 6.Remaining structure of the present embodiment with Embodiment 1 is identical, and this will not be repeated here.

Embodiment 3

Referring to Fig.1-5, and Fig. 6 and 7 is combined to can be seen that the present embodiment on the basis of embodiment 1, to gear locking machine Structure is refined.Control assembly 9 is preferably the traction cable of outsourcing, and the drag-line 9a of the traction cable is used to control the anchor ear of outsourcing Two brake discs of formula brake assemblies, hood type brake are lived apart in 6 two sides of gear, and can hold gear 6 tightly, to make tooth Wheel 6 cannot rotate.When the hand of waiter loosens, tighten control hand handle 8, control hand handle 8 makes hood type brake group by control assembly 9 The brake chuck clamping of part decontrols gear 6, so that gear 6 selectively be made not turn or rotate.Remaining structure of the present embodiment with Embodiment 1 is identical, and this will not be repeated here.

Embodiment 4

Referring to Fig.1-5, and in conjunction with Fig. 8 it can be seen that in the present embodiment, gear 6 is mounted on 1 bottom of vehicle frame, and rack gear 7 is installed In balance meal 3 bottom of frame, the arc-shaped tooth evagination of the rack gear 7.Remaining structure of the present embodiment is identical with embodiment 1, This is not repeated them here.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. one kind goes out dining car, it is characterised in that: including vehicle frame (1) and gear lockable mechanism, wherein vehicle frame (1) is rectangular frame knot Structure, four edges of the bottom of frame are respectively provided with a universal wheel (2), and vehicle frame (1) passes through this four universal wheel (2) supports On the ground, it and is moved；Balance meal frame (3) is equipped in the vehicle frame, there is balance meal frame at least one layer of tableware to place Platform (3a), the tableware placement platform is for placing tableware；Horizontal connection axis is equipped at center at the top of balance meal frame (3) (4), which is rotatably assorted with support (5), and support (5) is installed at the top of the vehicle frame (1), to make balance meal frame It (3) can be around horizontal connection axis (4) towards the forward and backward side oscillation of vehicle frame (1)；Balance meal frame (3) bottom and vehicle frame (1) bottom Between be connected by rack and pinion assembly, the gear (6) in the rack and pinion assembly is mounted on described flat in a manner of being rotatably assorted On weighing apparatus meal frame (3) or vehicle frame (1), and the axial line of gear (6) and horizontal connection axis (4) axis parallel；The gear Rack gear (7) in rack assembly is arc-shaped rack, which often engages with gear (6), and the center of rack gear (7) falls in institute On the axial line for stating horizontal connection axis (4)；

The gear lockable mechanism is used to control the rotations of gear (6), and selectively locking or can unclamp the gear (6).

2. dining car out according to claim 1, it is characterised in that: the gear (6) is mounted on balance meal frame (3) bottom, Rack gear (7) is mounted on vehicle frame (1) bottom, the arc-shaped tooth indent of the rack gear.

3. dining car out according to claim 1, it is characterised in that: the gear (6) is mounted on vehicle frame (1) bottom, rack gear (7) balance meal frame (3) bottom, the arc-shaped tooth evagination of the rack gear are mounted on.

4. it is according to claim 1 go out dining car, it is characterised in that: the gear lockable mechanism include control hand handle (8) and Lock piece (10), wherein control hand handle (8) is mounted on handle (1a), which is transversely mounted on rear side of the vehicle frame (1) Top, and control hand handle (8) and be connected by control assembly (9) with the lock piece (10)；When loosening, tighten the control hand handle (8) When, lock piece (10) being capable of locking or the release gear (6).

5. dining car out according to claim 4, it is characterised in that: the control assembly (9) is traction cable, the drag-line group The drag-line (9a) of part is fixed with the lock piece (10) back side, and the inner wall of the latch segment side and (11) two sections of U-shaped block slides Cooperation, which is fixedly mounted on the vehicle frame (1) or balance meal frame (3), and lock piece (10) back side and U-shaped block (11) Connection side between be equipped with return spring (12)；The lock piece (10) is equipped with arc-shaped gear (10a-1) close to the side of gear (6), Under the control of control hand handle (8), which selectively can engage or be detached from the gear (6).

6. dining car out according to claim 4, it is characterised in that: the control assembly (9) is traction cable, the drag-line group The drag-line (9a) of part for controlling hood type brake assemblies, live apart in the gear by two brake discs of the hood type brake assemblies (6) two sides, and gear (6) can be held tightly, to make gear (6) that cannot rotate.

7. it is according to claim 1 go out dining car, it is characterised in that: the universal wheel (2) of two of front side and vehicle frame (1) it Between be respectively equipped with a wheel orientation assemblies, the wheel orientation assemblies two universal wheels (2) of front side can be made in universal wheel and Switching state between one-way wheel；The wheel orientation assemblies include bolt (19) and radial peg (25), and wherein bolt (19) is 7 words Shape structure, the bolt is also cross the via hole on upper bracket (20) and lower bracket (21), and upper and lower bracket is fixed on the vehicle frame (1) on, and bolt (19) lower end is inserted into corresponding to the via hole on the universal wheel (2) mounting plate；

It is installed with a limited block (23) at the top of the upper bracket (20), the horizontal segment of the bolt (19) can be caught in limited block (23) in the arc groove at the top of；Spring (24), the bullet are set on bolt (19) between the upper and lower bracket (20,21) Spring (24) is clamped between upper bracket (20) and the radial peg (25), and the position which moves down is by the lower bracket (21) it limits.

8. dining car out according to claim 1, it is characterised in that: balance meal frame (3) is the trapezoidal knot of upper big, lower small Structure, and there are the 2-6 layers of tableware placement platform (3a).