CN217878364U

CN217878364U - Portable closed showcase door opening and closing test device

Info

Publication number: CN217878364U
Application number: CN202221516089.3U
Authority: CN
Inventors: 张金锁; 武松改; 余义成; 朱志辉; 梁旭
Original assignee: Zhengzhou Kaixue Cold Chain Co ltd
Current assignee: Zhengzhou Kaixue Cold Chain Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-11-22
Anticipated expiration: 2032-06-17

Abstract

The utility model provides a portable closed showcase door opening and closing test device, which comprises a double-claw sucker and a strong sucker, wherein the double-claw sucker is adsorbed on a showcase door, the strong sucker is adsorbed on the side wall of a showcase, the strong sucker is provided with a bottom frame and a strong sucker evacuation button, the bottom frame is provided with a cylinder seat, and the cylinder seat is hinged with a cylinder; a large bending arm with an obtuse included angle is hinged to a telescopic rod of the air cylinder, a supporting rotary rod is vertically arranged at a corner of the large bending arm, and two ends of the supporting rotary rod are rotatably connected to the bottom frame through pressure bearings; the other end of the bent big arm is hinged with a small arm, and one end of the small arm is hinged with the double-claw sucker. The device is convenient to install, easy to detach and convenient to use.

Description

Portable closed showcase door opening and closing test device

Technical Field

The utility model relates to a show case field, specific theory has related to a portable closed show case door opening and closing test device.

Background

According to the national standard requirements, the test of the closed display cabinet requires a smooth operation data interval of 24h, particularly a door opening and closing test comprising 12h, and all doors or covers are required to be opened for certain times and time. The opening angle of the rotary door of the closed showcase is not less than 60 degrees. The area of the closed showcase folding door or sliding door after being opened is not less than 80% of the maximum opening area. If the method for manual timing cannot guarantee the door opening time, the door opening angle or the door opening area, the time of opening each time cannot be guaranteed.

The patent number CN202020456939.X discloses a door opening and closing test device, wherein a PLC controller is adopted to control an air cylinder, and the door opening and closing action is directly performed by the expansion and contraction of the air cylinder; however, the support of the air cylinder in the device has heavy weight and large volume, and occupies a large area of a laboratory. Meanwhile, the stroke of the cylinder of the device must be consistent with the width of the refrigerator door subjected to the door opening and closing test, and the telescopic amount of the doors with different widths is inconsistent, so that the telescopic amount of the cylinder is required to be readjusted before each experiment. The utility model patent application number 202121332868.3 discloses a closed show case switch door test device, and the support of the device cylinder is very heavy, and the volume is great, and the area that occupies the laboratory is great and heavier, needs two people to lift the service position during the use, also needs to control installation angle and all needs longer time to install at every turn using.

In order to solve the above problems, people are always seeking an ideal technical solution.

SUMMERY OF THE UTILITY MODEL

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a portable closed showcase door opening and closing test device comprises double-claw suckers and strong suckers, wherein the double-claw suckers are adsorbed on a showcase door, the strong suckers are adsorbed on the side wall of a showcase, the strong suckers are provided with a bottom frame and strong sucker evacuation buttons, the bottom frame is provided with a cylinder seat, and a cylinder is hinged to the cylinder seat;

a large bending arm with an obtuse included angle is hinged to a telescopic rod of the air cylinder, a supporting rotary rod is vertically arranged at a corner of the large bending arm, and two ends of the supporting rotary rod are rotatably connected to the bottom frame through pressure bearings;

the other end of the bending large arm is hinged with a small arm, and one end of the small arm is hinged with the double-claw sucker.

Based on the above, in order to facilitate the installation, be provided with Y type connecting piece on the telescopic link of cylinder, crooked big arm with Y type connecting piece is articulated mutually.

Based on the above, in order to ensure the operation stability, the air cylinder is arranged in the middle of the bottom frame, and the powerful suckers are arranged at two ends of the bottom frame.

Based on the above, the double-claw sucker is provided with the connecting handle, and the small arm is hinged to the connecting handle.

Based on the above, the base frame comprises a horizontal section for installing the powerful suction disc and a vertical section for installing the supporting rotary rod.

Based on the above, the length of the side of the bending big arm hinged with the small arm is larger than that of the side of the bending big arm hinged with the telescopic rod of the cylinder

The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model provides a portable closed show case switch door test device has following advantage:

1. the device has a simple structure, is connected to the end plate of the commercial refrigerator by adopting the sucker, and is convenient and fast to install.

2. The device has small structure volume and reduces the occupied operating space of a laboratory.

3. The device is matched with a glass door by adopting the double-claw sucker, and compared with door clamps of other devices, the device is more convenient to install.

4. The device has the advantages of less structural metal material and lower cost.

5. The device runs more stably, and experimental data are more accurate.

Drawings

Fig. 1 is a schematic view of the installation state structure of the portable closed showcase door opening and closing test device provided by the utility model.

Fig. 2 is a schematic view of the overall structure of the portable closed showcase door opening and closing test device provided by the present invention.

In the figure: 1. a showcase; 2. a display case side wall; 3. a powerful sucker; 4. a chassis; 5. a cylinder; 6. bending the large arm; 7. a double-claw sucker; 8. supporting a rotating rod; 9. a showcase door; 10. a connecting handle; 11. a small arm; 12. a pressure bearing; 13. a powerful sucker evacuation button; 14. a Y-shaped connecting piece.

Detailed Description

The technical solution of the present invention will be described in further detail through the following embodiments.

Example 1

The present embodiment provides a portable closed showcase door opening and closing test apparatus, as shown in fig. 1 and 2, comprising a double-claw suction cup 7 for being sucked on a showcase door 9, and a strong suction cup 3 for being sucked on a showcase side wall 2. The strong sucker 3 is provided with a bottom frame 4 and a strong sucker evacuation button 13, the bottom frame 4 is provided with a cylinder seat, and the cylinder seat is hinged with a cylinder 5.

Articulated on the telescopic link of cylinder 5 have the contained angle to be obtuse big arm of bending 6, the corner of big arm of bending 6 is vertical to be provided with supports rotary rod 8. The two ends of the supporting rotating rod 8 are rotatably connected to the base frame 4 through pressure bearings 12.

The other end of the bent large arm 6 is hinged with a small arm 11, and one end of the small arm 11 is hinged with the double-claw sucker 7.

Specifically, in this embodiment, a Y-shaped connecting member 14 is disposed on the telescopic rod of the cylinder 5, and the curved large arm 6 is hinged to the Y-shaped connecting member 14. The air cylinder 5 is arranged in the middle of the bottom frame 4, and the powerful suckers 3 are arranged at two ends of the bottom frame 4.

The double-claw sucker 7 is provided with a connecting handle 10. The small arm 11 is hinged to the connecting handle 10. The base frame 4 comprises a horizontal section for mounting the power chuck 3 and a vertical section for mounting the supporting rotary rod 8.

The length of one side of the bent large arm 6 hinged with the small arm 11 is larger than that of one side of the bent large arm 6 hinged with the telescopic rod of the air cylinder 5.

Specifically, the underframe is formed by welding stainless steel square pipes with the size of 200mm multiplied by 10mm, two strong suction cups are adopted for connecting the underframe and the side wall of the display cabinet, and the strong suction cups are fastened and connected with the underframe by screws. Before use, the whole device is tightly attached to the side wall of the display cabinet according to a proper angle, and the strong suction cup evacuation button is pressed to enable the whole device to be adsorbed to the side wall of the display cabinet.

The cylinder base is welded on the bottom frame and connected with a cylinder through a pin, and the cylinder can rotate along the circumferential direction of the pin. The Y-shaped connecting piece is installed at the front end of the air cylinder and is in hinge fit with one end of the large bending arm, a supporting rotating rod is arranged at the rotating shaft of the large bending arm, the supporting rotating rod and the bottom frame are connected in a matched mode through two pressure bearings, and the pressure bearings are welded on the bottom frame.

The other end of the bent big arm is hinged with the small arm by a pin, the other end of the small arm is hinged with the double-claw sucker, and the double-claw sucker is sucked on the cabinet door of the showcase.

Specifically, when the portable closed showcase door opening and closing test device is used for door opening and closing tests, the specific working process is as follows:

door closing action:

firstly, a cabinet door of a showcase 1 is in an open state, a small arm is hinged on a double-claw sucker, the position of the double-claw sucker is adjusted according to the width of the showcase door and is fixed on the showcase door, and meanwhile, an air cylinder telescopic rod is in a contraction state under the open state of the showcase door is ensured;

then, the air cylinder is opened, the large bending arm is pushed to rotate around the supporting rotating rod to the door closing direction along with the extension of the telescopic rod on the air cylinder, and the large bending arm can push the small arm to generate thrust inwards in the door closing direction, so that the cabinet door of the showcase is closed.

Door opening action:

firstly, the cylinder is opened, and along with the toward recovery of the telescopic rod on the cylinder, the bending big arm is pulled to rotate around the supporting rotating rod to the direction of opening the door, and the small arm is pulled to generate pulling force outwards to the direction of opening the door, so that the cabinet door of the showcase is opened.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the technical solution of the present invention, the present invention should be covered by the technical solution of the present invention.

Claims

1. The utility model provides a portable closed show case door opening and closing test device which characterized in that: the improved cabinet comprises a double-claw sucker adsorbed on a cabinet door of a showcase and a strong sucker adsorbed on the side wall of the showcase, wherein the strong sucker is provided with a bottom frame and a strong sucker evacuation button, the bottom frame is provided with an air cylinder seat, and an air cylinder is hinged on the air cylinder seat;

the other end of the bent big arm is hinged with a small arm, and one end of the small arm is hinged with the double-claw sucker.

2. The portable closed showcase door opening and closing test apparatus according to claim 1, wherein: the telescopic rod of the cylinder is provided with a Y-shaped connecting piece, and the bent big arm is hinged with the Y-shaped connecting piece.

3. A portable closed showcase door opening and closing test apparatus according to claim 2, wherein: the cylinder is arranged in the middle of the bottom frame, and the powerful suckers are arranged at two ends of the bottom frame.

4. A portable closed showcase door opening and closing test apparatus according to claim 3, wherein: the double-claw sucker is provided with a connecting handle, and the small arm is hinged to the connecting handle.

5. The portable closed showcase door opening and closing test apparatus according to claim 4, wherein: the base frame comprises a horizontal section for mounting the powerful suction disc and a vertical section for mounting the supporting rotary rod.

6. The portable closed showcase opening and closing door test apparatus according to claim 5, wherein: the length of one side of the bent large arm hinged with the small arm is larger than that of one side of the bent large arm hinged with the telescopic rod of the air cylinder.