CN110693193A - Folding rainproof portable computer desk - Google Patents

Abstract

A folding rainproof portable computer desk relates to the technical field of computer equipment, wherein a hanging device and a rainproof device are arranged on a desk body, the desk body comprises a first desk body, a second desk body and a supporting rod, a clamping groove is formed in the upper wall of the first desk body, a clamping column is arranged on the upper wall of the second desk body, a clamping head is arranged on the clamping column, grooves are formed in the bottom walls of the first desk body and the second desk body, the supporting rod is arranged in the grooves, the rainproof device and a waterproof cloth bin are arranged on the other side surface of the desk body, the hanging device comprises a hook, a vertical rod, a pressing plate, a sleeve, a connecting rod and a fixing head, the fixing head is arranged in the inserting hole, the hanging device is connected with the fixing head through the connecting rod to enable the hanging device to be connected with the desk body, and the rainproof device comprises waterproof cloth; the invention has simple structure and convenient operation, improves the working efficiency, can work in outdoor rainy days and is greatly convenient for users to use the computer.

Description

Folding rainproof portable computer desk

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of computer equipment, in particular to a folding rainproof portable computer desk.

[ background of the invention ]

The computer desk is widely used as a necessary tool for placing a computer, the work rhythm is accelerated, the work range is expanded, a plurality of people can frequently shuttle back and forth among cities due to business trips, the notebook computer can be frequently carried with the computer while business trips, but a proper computer desk is not arranged in a journey or some destinations, the computer can be damaged when the people are in rainy weather and the computer is urgently needed to be used, if the computer is directly used, no object for shielding rain exists outdoors, the computer can be damaged, the work cannot be finished, and personal property can be lost.

[ summary of the invention ]

In order to overcome the defects in the background art, the invention discloses a folding rainproof portable computer desk.

In order to realize the purpose, the invention adopts the following technical scheme:

a folding rainproof portable computer desk comprises a desk body, a hanging device and a rainproof device, wherein the desk body comprises a first desk body, a second desk body and a supporting rod, an inserting shaft is arranged on the first desk body, the first desk body is inserted into the second desk body through the inserting shaft and connected with the second desk body, a clamping groove is formed in the upper surface wall of the first desk body, a clamping column is arranged on the upper surface wall of the second desk body, a clamping head is arranged on the clamping column, grooves are formed in the bottom surface walls of the first desk body and the second desk body respectively, the supporting rod is arranged in each groove and connected with the corresponding groove through a connecting piece, baffle plates are correspondingly connected to the side surface walls of the first desk body and the second desk body respectively through the connecting pieces, a connecting strip is arranged between the connecting heads of the first desk body and the second desk body, a control head is arranged above the connecting pieces, a clamping piece is connected to the control head, the hanging device and a jack are arranged on one side surface of the desk body, the rainproof device and a rainproof cloth, the hanging device comprises a hook, a vertical rod, a pressing plate, a sleeve, a connecting rod and a fixing head, wherein the fixing head is arranged in the jack, the hanging device is connected with the fixing head through the connecting rod to enable the hanging device to be connected with the table body, the rainproof device comprises a waterproof cloth, a rotating shaft, a head sleeve and a knob, the rotating shaft is arranged in a waterproof cloth bin, the waterproof cloth and the knob are arranged on the rotating shaft, the waterproof cloth is arranged on the rotating shaft, and the head sleeve is arranged on the waterproof cloth.

The first table body is of a rectangular hollow structure, the two sides of the first table body are made of hard compression-resistant materials and are provided with openings, the second table body is of a rectangular hollow structure, the two sides of the second table body are provided with openings, and the volume of the second table body is equal to that of the first table body.

The groove is respectively arranged on the bottom wall of the first table body and the second table body, the number of the grooves is at least two, a supporting rod is connected in each groove through a connecting piece, the supporting rods are of cylindrical structures, and the supporting rods are driven by the connecting pieces to be clamped into or pulled out of the grooves.

The inserting shaft is of a rectangular hollow structure, openings are formed in two ends of the inserting shaft, the inserting shaft is communicated with the first table body through the openings, the size of the inserting shaft is smaller than that of the opening on one side of the second table body, and the inserting shaft is inserted into the opening on the second table body to enable the first table body to be connected with the second table body.

The baffle is the rectangle structure, and the baffle is two, and the one end of two baffles is passed through the connecting piece and is connected respectively on the lateral wall of first table body and second table body opening part, all corresponds on the inboard lateral wall of two baffles and is provided with the connector, and two connectors that first table body and second table body correspond are a set of, and the connector is a set of at least, is equipped with the hole on the baffle of connector top, and the outside in hole is equipped with the control head, and the inboard that the control head passed the hole is equipped with the card.

The connecting strip is made of elastic materials such as rubber bands, one end of the connecting strip is arranged on the connecting head of the first table body baffle, and the other end of the connecting strip penetrates through the first table body, the inserting shaft and the second table body respectively and is connected to the connecting head of the second table body baffle.

The clamping column and the clamping groove are correspondingly arranged, a clamping head is arranged on the clamping column and is made of elastic materials, the clamping head and the clamping column are of cylindrical structures, and the diameter of the clamping head is slightly smaller than that of the clamping groove.

The table comprises a first table body and a second table body, wherein the first table body and the second table body are respectively provided with a hanging device, a hook of each hanging device is of a U-shaped structure, a layer of elastic soft material is wrapped outside the hook, one end of the hook is provided with a vertical rod, the other end of the hook is provided with a pressing plate which is of an arc-shaped plate structure, one end of the vertical rod is mutually and vertically connected with a sleeve, the sleeve is arranged on a connecting rod, the diameter of the sleeve is smaller than that of a jack, the sleeve moves on the connecting rod, the sleeve can be inserted into the table body through the connecting rod, one end of the connecting rod is inserted into the table body through the jack, the connecting rod is connected with a fixing head in the jack of the table body, the fixing head is fixedly arranged in the jack of the table body, the vertical rod is provided with a containing groove, the containing groove is arranged, the rotary rod rotates through the pin, and the length of rotary rod is less than the length that holds the groove, is equipped with the pull rod on the rotary rod, and the one end of pull rod is connected with the middle part of rotary rod, and the other end of pull rod is connected with the montant, and the pull rod is detachable connection structure with the rotary rod.

The waterproof table is characterized in that the side surfaces of the first table body and the second table body are respectively provided with a waterproof cloth bin, the waterproof cloth bins are of a rectangular structure, the waterproof cloth bins of the first table body and the second table body are arranged on the same straight line, the waterproof cloth bins of the first table body and the second table body are respectively provided with a rotating shaft, the rotating shafts are wound with waterproof cloth, and one end of each rotating shaft penetrates through the waterproof cloth bins to be connected with a knob outside the table body.

The waterproof cloth is composed of a first waterproof cloth and a second waterproof cloth, the first waterproof cloth is arranged in a waterproof cloth bin of a first table body, the second waterproof cloth is arranged in a waterproof cloth bin of a second table body, the first waterproof cloth and the second waterproof cloth are identical in structure, the first waterproof cloth and the second waterproof cloth are both rectangular in structure, the first waterproof cloth and the second waterproof cloth are made of transparent waterproof materials, a head cover and a seam cloth are arranged on the second waterproof cloth, the head cover is of a hemispherical structure, the seam cloth is arranged at the edge of the second waterproof cloth at the adjacent position of the first waterproof cloth and the second waterproof cloth, a first lock catch is arranged on the seam cloth, a second lock catch is arranged on the first waterproof cloth adjacent to the seam cloth, and the first lock catch and the second lock catch correspond to each other.

Due to the adoption of the technical scheme, the invention has the following beneficial effects:

the foldable rainproof portable computer desk comprises a desk body, a hanging device and a rainproof device, wherein the hanging device and the rainproof device are arranged on the desk body, so that the purposes of convenience in carrying and convenience in working outdoors in rainy days are achieved; the invention has simple structure and convenient operation, can be carried and used simply and conveniently, improves the working efficiency, can replace the accessories simply and conveniently, repairs the computer desk efficiently, and more importantly, can work in outdoor rainy days, thereby being greatly convenient for users to use the computer.

[ description of the drawings ]

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic bottom structure view of the first table body according to the present invention;

FIG. 3 is a schematic view of a connection structure of a first table body and a second table body according to the present invention;

FIG. 4 is a schematic view of the inner side structure of the baffle of the present invention;

fig. 5 is a schematic view of a connection structure of the waterproof cloth and the table body;

fig. 6 is a schematic top view of the waterproof cloth of the present invention;

FIG. 7 is a schematic view of the inner side structure of the baffle of the present invention;

in the figure: 1. a first table body; 2. a card slot; 3. clamping a head; 4. clamping the column; 5. a second table body; 6. a control head; 7. a baffle plate; 8. a support bar; 9. a groove; 10. inserting a shaft; 11. a connecting strip; 12. a card; 13. a connector; 14. hooking; 15. a jack; 16. pressing a plate; 17. a vertical rod; 18. a fixed head; 19. a connecting rod; 20. a sleeve; 21. a rotating shaft; 22. a knob; 23. a first waterproof cloth; 24. a second waterproof cloth; 25. a seam-riding cloth; 26. a headgear; 27. a first lock catch; 28. a second lock catch; 29. rotating the rod; 30. a pin; 31. a containing groove; 32. a rain cloth bin; 33. a pull rod.

[ detailed description ] embodiments

The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.

The foldable rainproof portable computer desk described in fig. 1 ~ 7 comprises a desk body, a hanging device and a rainproof device, wherein the desk body comprises a first desk body 1, a second desk body 5 and a support rod 8, the first desk body 1 is provided with an insertion shaft 10, the first desk body 1 is inserted into the second desk body 5 through the insertion shaft 10 to be connected with the second desk body 5, the upper wall of the first desk body 1 is provided with a clamping groove 2, the upper wall of the second desk body 5 is provided with a clamping column 4, the clamping column 4 is provided with a clamping head 3, the first desk body 1 and the second desk body 5 are both provided with a groove 9 on the upper wall, the support rod 8 is connected with the groove 9 through a connecting piece, the side walls of the first desk body 1 and the second desk body 5 are both correspondingly connected with a baffle 7 through the connecting piece, the baffle 7 is provided with a connecting head 13, a connecting strip 11 is arranged between the connecting heads 13 of the first desk body 1 and the second desk body 5, a control card 6 is arranged above the connecting head 13, the control head 6 is connected with a connecting head 12, the connecting rod and the other side wall of the first desk body 5 are both correspondingly connected with a baffle 7, the connecting head 21, the connecting rod and a rotating shaft 21 are connected with a rotating shaft 21, the hanging device, the rotating shaft 21 and a rotating shaft 21, the rotating shaft 21 and a rotating shaft 21 are connected with a hanging device, the rotating shaft 21, the;

the first table body 1 is of a rectangular hollow structure, and openings are formed in the two sides of the first table body 1, wherein the first table body 1 is made of hard compression-resistant materials; the second table body 5 is of a rectangular hollow structure, openings are formed in the two sides of the second table body 5, and the volume of the second table body 5 is equal to that of the first table body 1; the grooves 9 are respectively formed in the bottom walls of the first table body 1 and the second table body 5, at least two grooves 9 are formed, a support rod 8 is connected to each groove 9 through a connecting piece, each support rod 8 is of a cylindrical structure, and the support rods 8 are driven to be clamped into or pulled out of the grooves 9 through the connecting pieces; the insertion shaft 10 is of a rectangular hollow structure, openings are formed in two ends of the insertion shaft 10, the insertion shaft 10 is communicated with the first table body 1 through the openings, the size of the insertion shaft 10 is smaller than that of the opening in one side of the second table body 5, and the insertion shaft 10 is inserted into the opening in the second table body 5 to enable the first table body 1 to be connected with the second table body 5; the table comprises a first table body 1, a second table body 5, baffles 7, connectors 13, a control head 6 and a card 12, wherein the baffles 7 are of a rectangular structure, the number of the baffles 7 is two, one ends of the two baffles 7 are respectively connected to the side wall of the opening of the first table body 1 and the side wall of the opening of the second table body 5 through connectors, the inner side walls of the two baffles 7 are respectively and correspondingly provided with the connectors 13, the two connectors 13 corresponding to the first table body 1 and the second table body 5 are in one group, at least one group of the connectors 13 is provided, the baffles 7 above the connectors 13 are provided with holes, the outer sides of the holes are; the connecting strip 11 is made of elastic materials such as rubber bands, one end of the connecting strip 11 is arranged on a connecting head 13 of the baffle 7 of the first table body 1, and the other end of the connecting strip 11 penetrates through the first table body 1, the inserting shaft 10 and the second table body 5 respectively and is connected to the connecting head 13 of the baffle 7 of the second table body 5; the clamping column 4 and the clamping groove 2 are correspondingly arranged, a clamping head 3 is arranged on the clamping column 4, the clamping head 3 is made of elastic materials, the clamping head 3 and the clamping column 4 are of cylindrical structures, and the diameter of the clamping head 3 is slightly smaller than that of the clamping groove 2;

the table comprises a first table body 1 and a second table body 5, wherein each of the first table body 1 and the second table body 5 is provided with a hanging device, a hook 14 of each hanging device is of a U-shaped structure, a layer of elastic soft material wraps the outside of the hook 14, one end of the hook 14 is provided with a vertical rod 17, the other end of the hook 14 is provided with a pressing plate 16, the pressing plate 16 is of an arc-shaped plate-shaped structure, one end of the vertical rod 17 is mutually perpendicular to a sleeve 20, the sleeve 20 is arranged on a connecting rod 19, the diameter of the sleeve 20 is smaller than that of a jack 15, the sleeve 20 moves on the connecting rod 19, the sleeve 20 can be inserted into the table body through the connecting rod 19, one end of the connecting rod 19 is inserted into the table body through the jack 15, the connecting rod 19 is connected with a fixing head 18 in the jack 15 of the table body, the fixing head 18 is fixedly arranged in the jack 15 of the table body, the vertical rod, the inner wall of the top end of the containing groove 31 is provided with a pin 30, the pin 30 is provided with a rotating rod 29, the rotating rod 29 rotates through the pin 30, the length of the rotating rod 29 is smaller than that of the containing groove 31, the rotating rod 29 is provided with a pull rod 33, one end of the pull rod 33 is connected with the middle part of the rotating rod 29, the other end of the pull rod 33 is connected with the vertical rod 17, and the pull rod 33 and the rotating rod 29 are of a detachable connecting structure.

The side surfaces of the first table body 1 and the second table body 5 are respectively provided with a waterproof cloth bin 32, the waterproof cloth bins 32 are of a rectangular structure, the waterproof cloth bins 32 of the first table body 1 and the second table body 5 are on the same straight line, the waterproof cloth bins 32 of the first table body 1 and the second table body 5 are respectively provided with a rotating shaft 21, the rotating shaft 21 is wound with the waterproof cloth 32, and one end of the rotating shaft 21 penetrates through the waterproof cloth bins 32 to be connected with a knob 22 outside the table body.

The waterproof cloth is composed of a first waterproof cloth 23 and a second waterproof cloth 24, the first waterproof cloth 23 is arranged in a waterproof cloth bin 32 of the first table body 1, the second waterproof cloth 24 is arranged in a waterproof cloth bin 32 of the second table body 5, the first waterproof cloth 23 and the second waterproof cloth 24 are identical in structure, the first waterproof cloth 23 and the second waterproof cloth 24 are both of a rectangular structure, the first waterproof cloth 23 and the second waterproof cloth 24 are both made of transparent waterproof materials, a head cover 26 and a seam cloth 25 are arranged on the second waterproof cloth 24, the head cover 26 is of a hemispherical structure, the seam cloth 25 is arranged at the edge of the second waterproof cloth 24 at the adjacent position of the first waterproof cloth 23 and the second waterproof cloth 24, a first lock catch 27 is arranged on the seam cloth 25, a second lock catch 28 is arranged on the first waterproof cloth 23 adjacent to the seam cloth 25, and the first lock catch 27 and the second lock catch 28 correspond to each other.

When the foldable rainproof portable computer desk is used, the inserting shaft 10 is aligned to the opening of the second desk body 5, the inserting shaft 10 is inserted into the opening of the second desk body 5, so that the first desk body 1 and the second desk body 5 are connected to form a desktop, then the supporting rod 8 is pulled out of the groove 9 for use, when the foldable rainproof portable computer desk is needed to be carried after use, the first desk body 1 and the second desk body 5 are respectively pulled towards two ends, the inserting shaft 10 is pulled out of the second desk body 5, the first desk body 1 and the second desk body 5 are separated, the first desk body 1 and the second desk body 5 are folded under the driving of the connecting strip 11, the clamping column 4 is inserted into the clamping groove 2, the clamping head 3 made of elastic materials enables the clamping column 4 to be more firmly inserted into the clamping groove 2, so that the first desk body 1 and the second desk body 5 are fixedly folded, and then the supporting rod 8 is rotatably clamped into the groove 9 under the action of the connecting piece to be conveniently carried, when the connecting strip 11 is insufficient in elasticity or needs to be replaced due to disconnection, the control head 6 is screwed to enable the card 12 to rotate to a position parallel to the baffle 7, the upper end of the baffle 7 can be opened by pulling the control head 6, the connecting strip 11 on the connecting head 13 is taken down and replaced by a new connecting strip 11, the baffle 7 is closed again, the control head 6 is screwed reversely, the control head 6 drives the card 12 to rotate to enable the card 12 and the baffle 7 to be vertical, the card 12 can clamp the inner wall of the first table body 1 or the second table body 5, and the baffle 7 can be closed with the first table body 1 or the second table body 7, so that the use can be continued.

In outdoor rainy days, the table body is firstly assembled and then hung on the shoulders of a user through the hook 14, in order to reduce the weight, the supporting rod at the bottom of the table body can be pulled out, the supporting rod can be supported through the telescopic structure, the user can be supported on two sides of the user through the supporting rod under the condition of sitting, when the user stands, the supporting rod 8 can be supported on the ground through the telescopic of the supporting rod 8, so that the bearing capacity of the table body can be furthest reduced, the elastic material on the hook 14 can also relieve the pressure of the shoulders, the long-time use of the user is facilitated, when the sleeve 20 is pulled out from the jack 15, the table body can be horizontally supported, so that the computer can be horizontally placed on the table body, when the rain-proof cloth is pulled out from the rain-proof cloth bin 32, and then the rotating rod 29 on the vertical rod 17 is rotated out, the waterproof cloth is supported by the rotating rod 29, the head of a user can be sleeved in the head sleeve 26, the head of the user serves as the highest supporting point, the waterproof cloth passes through the head of the user and then passes through the shoulders of the user, the waterproof cloth can be supported by the pressing plate 16 on the hook 14, when the rainwater flows down from the waterproof cloth, the rainwater cannot fall onto the back of the user along the waterproof cloth, the first waterproof cloth 23 and the second waterproof cloth 24 are sealed through the riding seam cloth 25, and therefore the waterproof cloth can be expanded by one time, the operation of the mouse by the user is facilitated, and the work is also facilitated.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a foldable rain-proof portable desk, includes that the table body, cable suspension device and rain insensitive device constitute, and the table body comprises first table body, the second table body and bracing piece, characterized by: an inserting shaft is arranged on a first table body, the first table body is inserted into a second table body through the inserting shaft and connected with the second table body, a clamping groove is arranged on the upper surface wall of the first table body, a clamping column is arranged on the upper surface wall of the second table body, a clamping head is arranged on the clamping column, grooves are formed in the bottom surface walls of the first table body and the second table body, supporting rods are arranged in the grooves and connected with the grooves through connecting pieces, baffle plates are correspondingly connected with the side surface walls of the first table body and the second table body through the connecting pieces, connecting heads are arranged on the baffle plates, a connecting strip is arranged between the connecting heads of the first table body and the second table body, a control head is arranged above the connecting heads, a clamping piece is connected onto the control head, a hanging device and a jack are arranged on one side surface of the table body, another rain-proof device and a rain cloth bin are arranged on the side surface of the table body, the hanging device is composed of a hook, a, the hanging device is connected with the fixing head through the connecting rod to enable the hanging device to be connected with the table body, the rainproof device is composed of a piece of waterproof cloth, a rotating shaft, a head sleeve and a knob, the rotating shaft is arranged in the waterproof cloth bin, the waterproof cloth and the knob are arranged on the rotating shaft, the waterproof cloth is arranged on the rotating shaft, and the head sleeve is arranged on the waterproof cloth.

2. A folding rainproof portable computer desk as defined in claim 1, wherein: the first table body is of a rectangular hollow structure, the two sides of the first table body are made of hard compression-resistant materials and are provided with openings, the second table body is of a rectangular hollow structure, the two sides of the second table body are provided with openings, and the volume of the second table body is equal to that of the first table body.

3. A folding rainproof portable computer desk as defined in claim 1, wherein: the groove is respectively arranged on the bottom wall of the first table body and the second table body, the number of the grooves is at least two, a supporting rod is connected in each groove through a connecting piece, the supporting rods are of cylindrical structures, and the supporting rods are driven by the connecting pieces to be clamped into or pulled out of the grooves.

4. A folding rainproof portable computer desk as defined in claim 1, wherein: the inserting shaft is of a rectangular hollow structure, openings are formed in two ends of the inserting shaft, the inserting shaft is communicated with the first table body through the openings, the size of the inserting shaft is smaller than that of the opening on one side of the second table body, and the inserting shaft is inserted into the opening on the second table body to enable the first table body to be connected with the second table body.

5. A folding rainproof portable computer desk as defined in claim 1, wherein: the baffle is the rectangle structure, and the baffle is two, and the one end of two baffles is passed through the connecting piece and is connected respectively on the lateral wall of first table body and second table body opening part, all corresponds on the inboard lateral wall of two baffles and is provided with the connector, and two connectors that first table body and second table body correspond are a set of, and the connector is a set of at least, is equipped with the hole on the baffle of connector top, and the outside in hole is equipped with the control head, and the inboard that the control head passed the hole is equipped with the card.

6. A folding rainproof portable computer desk as defined in claim 1, wherein: the connecting strip is made of elastic materials such as rubber bands, one end of the connecting strip is arranged on the connecting head of the first table body baffle, and the other end of the connecting strip penetrates through the first table body, the inserting shaft and the second table body respectively and is connected to the connecting head of the second table body baffle.

7. A folding rainproof portable computer desk as defined in claim 1, wherein: the clamping column and the clamping groove are correspondingly arranged, a clamping head is arranged on the clamping column and is made of elastic materials, the clamping head and the clamping column are of cylindrical structures, and the diameter of the clamping head is slightly smaller than that of the clamping groove.

8. A folding rainproof portable computer desk as defined in claim 1, wherein: the table comprises a first table body and a second table body, wherein the first table body and the second table body are respectively provided with a hanging device, a hook of each hanging device is of a U-shaped structure, a layer of elastic soft material is wrapped outside the hook, one end of the hook is provided with a vertical rod, the other end of the hook is provided with a pressing plate which is of an arc-shaped plate structure, one end of the vertical rod is mutually and vertically connected with a sleeve, the sleeve is arranged on a connecting rod, the diameter of the sleeve is smaller than that of a jack, the sleeve moves on the connecting rod, the sleeve can be inserted into the table body through the connecting rod, one end of the connecting rod is inserted into the table body through the jack, the connecting rod is connected with a fixing head in the jack of the table body, the fixing head is fixedly arranged in the jack of the table body, the vertical rod is provided with a containing groove, the containing groove is arranged, the rotary rod rotates through the pin, and the length of rotary rod is less than the length that holds the groove, is equipped with the pull rod on the rotary rod, and the one end of pull rod is connected with the middle part of rotary rod, and the other end of pull rod is connected with the montant, and the pull rod is detachable connection structure with the rotary rod.

9. A folding rainproof portable computer desk as defined in claim 1 or 8, wherein: the waterproof table is characterized in that the side surfaces of the first table body and the second table body are respectively provided with a waterproof cloth bin, the waterproof cloth bins are of a rectangular structure, the waterproof cloth bins of the first table body and the second table body are arranged on the same straight line, the waterproof cloth bins of the first table body and the second table body are respectively provided with a rotating shaft, the rotating shafts are wound with waterproof cloth, and one end of each rotating shaft penetrates through the waterproof cloth bins to be connected with a knob outside the table body.

10. A folding rainproof portable computer desk as defined in claim 1, wherein: the waterproof cloth is composed of a first waterproof cloth and a second waterproof cloth, the first waterproof cloth is arranged in a waterproof cloth bin of a first table body, the second waterproof cloth is arranged in a waterproof cloth bin of a second table body, the first waterproof cloth and the second waterproof cloth are identical in structure, the first waterproof cloth and the second waterproof cloth are both rectangular in structure, the first waterproof cloth and the second waterproof cloth are made of transparent waterproof materials, a head cover and a seam cloth are arranged on the second waterproof cloth, the head cover is of a hemispherical structure, the seam cloth is arranged at the edge of the second waterproof cloth at the adjacent position of the first waterproof cloth and the second waterproof cloth, a first lock catch is arranged on the seam cloth, a second lock catch is arranged on the first waterproof cloth adjacent to the seam cloth, and the first lock catch and the second lock catch correspond to each other.

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