CN108618540B

CN108618540B - Negative pressure anti-skidding tray

Info

Publication number: CN108618540B
Application number: CN201810485815.1A
Authority: CN
Inventors: 刘兴海
Original assignee: Individual
Current assignee: Zhang Linghong
Priority date: 2018-05-21
Filing date: 2018-05-21
Publication date: 2020-05-08
Anticipated expiration: 2038-05-21
Also published as: CN108618540A

Abstract

The invention belongs to the field of life, and particularly relates to a negative-pressure anti-skidding tray which comprises a tray body, wherein a cavity is arranged in the tray body, the cavity is arranged in an inverted T shape, a first opening communicated with the outside is formed in the upper end of the cavity, a sealing film covering the first opening is fixedly connected to the upper end of the tray body, second openings are formed in two sides of the cavity, and a control mechanism used for adjusting air pressure in the cavity is arranged in each second opening. The invention utilizes the control mechanism to change the volume in the cavity, so that the sealing film is sunken downwards, and plays a role in adsorbing a dish container under the action of air pressure, thereby preventing the dish container from sliding on the surface of the tray, greatly reducing the condition that the container overflows soup or falls onto the ground.

Description

Negative pressure anti-skidding tray

Technical Field

The invention belongs to the field of life, and particularly relates to a negative-pressure anti-skidding tray.

Background

The tray is the instrument that can hold a plurality of flourishing dishes simultaneously, not only can improve the efficiency of serving dishes, can avoid being scalded by the flourishing dish household utensils of high temperature in addition, in daily life, often need use this instrument of tray, especially the popularization of chinese style fast food shop, need the handheld tray of customer to get the dish by oneself, and current tray simple structure, it is platelike usually, the tray is equipped with to go up along with lower edge, go up along being used for preventing household utensils roll-off tray, it takes along the convenience end to go down. When a large number of customers take a meal, crowding and collision easily occur, because the customers are far less than professional waiters, the trays cannot be kept balanced skillfully, once the customers are collided, the trays incline, the utensils and the trays only have the function of far not enough playing the anti-skidding function under the action of friction force, the utensils slide in the trays easily, soup in the utensils can overflow to pollute the trays, clothes of the customers are polluted, even the utensils directly slide out of the trays and fall to the ground, unnecessary troubles are caused, and the dining experience of the customers is influenced.

To this end, we propose a negative pressure anti-slip pallet to solve the above problems.

Disclosure of Invention

The invention aims to solve the problems and provides a negative pressure anti-slip tray which prevents a dish container from slipping by using air pressure.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a negative pressure antiskid tray, includes the tray body, this internal cavity that is equipped with of tray, the cavity is the setting of falling T word, the upper end of cavity is equipped with the first opening with external intercommunication, tray body upper end fixedly connected with covers first open-ended seal membrane, the both sides of cavity all are equipped with the second opening, be equipped with the control mechanism who is used for adjusting cavity internal gas pressure in the second opening.

In the above negative pressure anti-slip tray, the control mechanism includes channels disposed at two sides of the cavity, the channels are disposed in an inverted U shape, one end of each channel is communicated with the cavity, the other end of each channel is communicated with the outside, a first sealing plug is disposed at one end of each channel close to the cavity, a first connecting rod matched with the channel in shape is disposed in each channel, a first spring is fixedly connected to the lower side wall of the horizontal section of each first connecting rod, the other end of each first spring is fixedly connected with the side wall of each channel, one end of each first connecting rod is fixedly connected with the corresponding first sealing plug, and the other end of each first connecting rod extends out of the corresponding channel and is fixedly connected with a support leg.

In foretell negative pressure antiskid tray, control mechanism is including setting up the recess that sets up in cavity both sides and opening downwards, the lateral wall and the cavity of recess are linked together, the level is equipped with the second connecting rod in the recess, the one end fixedly connected with and the cavity assorted second sealing plug that the second connecting rod is located the cavity, the one end fixedly connected with arm-tie that the second connecting rod is located the recess, and passes through second spring fixed connection between two second sealing plugs.

In the negative pressure anti-skidding tray, sealing oil is sealed in the cavity, and an anti-seepage film is fixedly connected in the first opening.

Compared with the prior art, the negative pressure anti-skidding tray has the advantages that:

1. the invention can change the volume in the cavity by using the control mechanism through arranging the cavity, the sealing film and the control mechanism, so that the sealing film is sunken downwards, the dish container is adsorbed, and the dish container is prevented from sliding on the surface of the tray.

2. According to the invention, through arranging the support legs, the first sealing plug can be driven to move by utilizing the self gravity of the tray and the vessel, so that a negative pressure adsorption effect is generated, and the vessel can be automatically adsorbed when the tray is placed on a desktop.

3. By arranging the sealing oil, the invention can avoid that the vessel is placed on the tray for too long time, so that the temperature of the gas in the cavity is increased, the volume is enlarged, and a better adsorption effect cannot be achieved.

Drawings

FIG. 1 is a schematic structural diagram of an adsorption state of embodiment 1 in a negative pressure anti-slip tray provided by the present invention;

FIG. 2 is a schematic structural diagram of a non-absorbed state of embodiment 1 in the negative pressure anti-slip tray provided by the present invention;

fig. 3 is a schematic structural diagram of an adsorption state in embodiment 2 of the negative pressure anti-slip tray provided by the present invention.

In the figure, 1 tray body, 2 cavities, 3 sealing membranes, 4 channels, 5 first sealing plugs, 6 first connecting rods, 7 first springs, 8 legs, 9 impermeable membranes, 10 grooves, 11 second connecting rods, 12 second sealing plugs, 13 pull plates and 14 second springs.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1-2, a negative pressure anti-slip tray comprises a tray body 1, a cavity 2 is arranged in the tray body 1, it should be noted that sealing oil is sealed in the cavity 2, because the sealing oil has low sensitivity to the environmental temperature, when the ambient temperature changes, the volume is relatively stable, an anti-seepage film 9 is fixedly connected in the first opening, specifically, the anti-seepage film 9 is made of HDPE anti-seepage film to prevent the sealing oil from seeping out, the cavity 2 is arranged in an inverted T shape, the upper end of the cavity 2 is provided with a first opening communicated with the outside, it is worth mentioning that sufficient suction should be ensured on the premise that the size of the first opening is smaller than the size of the bottom area of a vessel, the upper end of the tray body 1 is fixedly connected with a sealing film 3 covering the first opening, the sealing film 3 is made of an elastic and airtight material such as silica gel, and can generate large deformation under the action of small external force, make and form airtight negative pressure space between the upper end of seal membrane 3 and the bottom of household utensils to play absorbent effect to the bottom of household utensils, prevent that the household utensils from taking place to slide, it is described that, seal membrane 3 is fixed with the upper surface bonding of tray body 1, when avoiding seal membrane 3 that first opening corresponds the department to sink, drives seal membrane 3 around it and appears warping, and the influence adsorbs sealed effect to the household utensils bottom.

In this embodiment, the both sides of cavity 2 all are equipped with the second opening, be equipped with the control mechanism who is used for adjusting cavity 2 internal gas pressure in the second opening, it is concrete, control mechanism is including setting up passageway 4 in cavity 2 both sides, passageway 4 is the setting of the style of calligraphy of falling U, passageway 4's one end is linked together with cavity 2, passageway 4's the other end is linked together with the external world, passageway 4 is close to the one end of cavity 2 and is equipped with first sealing plug 5, be equipped with in the passageway 4 rather than shape assorted head rod 6, fixedly connected with first spring 7 on the lower lateral wall of head rod 6 horizontal segment part, the other end of first spring 7 and passageway 4's lateral wall fixed connection, the one end and the first sealing plug 5 fixed connection of head rod 6, the other end of head rod 6 extends to outside the passageway 4 and fixedly connected with stabilizer blade 8.

When the tray is used, firstly, a vessel is placed right above the first opening, then, both hands of a customer act on the support legs 8 to lift the tray body 1, the support legs 8 can move upwards relative to the tray body 1 under the self-gravity of the tray body 1 and the vessel, at the moment, the first spring 7 is stretched, the support legs 8 drive the first sealing plug 5 to move upwards through the first connecting rod 6, the sealing membrane 3 can be sunken downwards due to the certain volume of liquid in the cavity, a closed negative pressure space is formed between the upper end of the sealing membrane 3 and the bottom of the vessel, so that the bottom of the vessel is adsorbed, the vessel is prevented from sliding, what is worth mentioning is that when the support legs 8 move to the uppermost end, the lower ends of the support legs 8 are flush with the lower edge of the tray body 1, the contact area between the tray body 1 and a table top and the like is enlarged, and the placing stability of the tray body 1 is improved, when the household utensils need to be taken down, the non-support leg 8 position acting on the tray body 1 plays the role of holding the tray body 1, under the action of the first spring 7 and the atmospheric pressure, the sealing film 3 is restored to the original state, the adsorption to the household utensils is lost, and then the household utensils are held away.

Example 2

As shown in fig. 3, a negative pressure anti-skidding tray, including tray body 1, be equipped with cavity 2 in tray body 1, cavity 2 is the setting of falling the T word, the upper end of cavity 2 is equipped with the first opening with external intercommunication, tray body 1 upper end fixedly connected with covers first open-ended seal membrane 3, the both sides of cavity 2 all are equipped with the second opening, be equipped with control mechanism in the second opening, it needs to explain, control mechanism is including setting up the recess 10 that sets up in cavity 2 both sides and opening downwards, the lateral wall of recess 10 is linked together with cavity 2, the level is equipped with second connecting rod 11 in the recess 10, one end fixedly connected with that second connecting rod 11 is located cavity 2 and cavity 2 assorted second sealing plug 12, the one end fixedly connected with arm-tie 13 that second connecting rod 11 is located recess 10, and pass through second spring 14 fixed connection between two second sealing plugs 12.

When this embodiment uses, customer need be when holding up tray body 1, with pulling plate 13 to both sides pulling and detain on the inside wall on lower edge, pulling plate 13 drives second seal valve 12 through second connecting rod 11 and removes, makes seal membrane 3 undercut, to the household utensils absorption, compares with embodiment 1, and the benefit of this embodiment lies in: through the mode that the inside wall on the lower edge was controlled is pulled and detained to arm-tie 13, press close to the action that the customer got ordinary tray at the end more, accord with human mechanics, operate simplyr.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A negative pressure anti-skidding tray comprises a tray body (1) and is characterized in that a cavity (2) is arranged in the tray body (1), the cavity (2) is arranged in an inverted T shape, a first opening communicated with the outside is formed in the upper end of the cavity (2), a sealing film (3) covering the first opening is fixedly connected to the upper end of the tray body (1), second openings are formed in two sides of the cavity (2), and a control mechanism used for adjusting air pressure in the cavity (2) is arranged in each second opening;

the control mechanism comprises channels (4) arranged on two sides of a cavity (2), the channels (4) are arranged in an inverted U shape, one end of each channel (4) is communicated with the cavity (2), the other end of each channel (4) is communicated with the outside, one end, close to the cavity (2), of each channel (4) is provided with a first sealing plug (5), a first connecting rod (6) matched with the channel in shape is arranged in each channel (4), the lower side wall of the horizontal section of each first connecting rod (6) is fixedly connected with a first spring (7), the other end of each first spring (7) is fixedly connected with the side wall of each channel (4), one end of each first connecting rod (6) is fixedly connected with the corresponding first sealing plug (5), and the other end of each first connecting rod (6) extends out of the corresponding channel (4) and is fixedly connected with a supporting leg (8); or

Control mechanism is including setting up recess (10) that set up downwards in cavity (2) both sides and opening, the lateral wall and cavity (2) of recess (10) are linked together, the level is equipped with second connecting rod (11) in recess (10), one end fixedly connected with and cavity (2) assorted second sealing plug (12) that second connecting rod (11) are located cavity (2), one end fixedly connected with arm-tie (13) that second connecting rod (11) are located recess (10), and through second spring (14) fixed connection between two second sealing plugs (12).

2. Negative pressure anti-slip tray according to claim 1, characterized in that the cavity (2) is sealed with sealing oil, and the first opening is fixedly connected with an impermeable membrane (9).