Electric sliding door for cold storage

Abstract

The utility model relates to the technical field of cold storage, specifically discloses an electric sliding door for cold storage, including a door frame, a sliding door panel and an electric drive mechanism, wherein a guide column is installed near the bottom end of the front wall of the door frame corresponding to the side of the sliding door panel in the door opening direction; a strip groove 1 is provided in the horizontal direction on the rear wall of the groove body at the bottom end of the front wall of the sliding door panel, and a rotating shaft lower than the strip groove 1 is vertically installed on the rear wall of the groove body away from the end of the guide column; a bottom sealing member comprises a cross column and a sealing column detachably connected to the bottom of the cross column, one end of the cross column is provided with a socket that matches with the rotating sleeve of the rotating shaft, the middle part of the cross column is provided with a strip groove 2 in the horizontal direction, and the end of the strip groove 2 away from the socket is provided with an inclined groove extending obliquely upward, and the top end of the inclined groove is clamped on the guide column; a plurality of springs are connected to the top surface of the inner cavity of the groove body for pressing the top surface of the cross column downward; the front end opening of the groove body is detachably covered with a sealing plate; the problem that the bottom sealing strip of the sliding cold storage door is easy to wear and difficult to replace is well solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cold storage, in particular to an electric sliding door for a cold storage. Background Art

[0002] Cold storage is a facility used to store food, vegetables, fruits, meat and other items. It is usually composed of refrigeration units, warehouses, control systems and other parts. It can realize automatic control and management, and has the advantages of simple maintenance, stable operation, energy saving and environmental protection. Among them, the cold storage door is a key component of the cold storage. Due to the need for sealing and heat preservation, the cold storage door has high requirements for thermal insulation, so the performance of the cold storage door plays a very critical role.

[0003] Cold storage doors generally have two types: hinged doors and sliding doors. Sliding doors have much less impact on the temperature and pressure fluctuations of the cold storage during opening and closing. Therefore, as long as conditions permit, sliding doors are the first choice.

[0004] However, the sealing strips at the bottom of the existing sliding cold storage doors are directly fixed on the bottom surface of the door panels, and the sealing strips are rubber strips. Due to the frequent opening and closing of the cold storage doors, the rubber strips are frequently subjected to friction from the ground. Long-term friction causes the rubber strips to wear, which in turn causes the airtightness of the cold storage doors to deteriorate, and it is inconvenient to replace them after they are damaged. Utility Model Content

[0005] The utility model designs an electric sliding door for a cold storage in order to solve the problem that the sealing strip at the bottom of a sliding cold storage door in the prior art is easy to wear and difficult to replace.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric sliding door for a cold storage, comprising a door frame, a sliding door panel with a top slidably connected to the top of the door frame, an electric drive mechanism installed on the top of the door frame and used to drive the sliding door panel to slide horizontally, and a bottom sealing member arranged at the bottom of the sliding door panel, wherein a guide column is vertically mounted on the front wall of the door frame corresponding to a side of the sliding door panel in the direction of opening the door near the bottom end; a groove body is arranged at the bottom end of the front wall of the sliding door panel, and a strip groove is arranged on the rear wall of the groove body in the horizontal direction to be slidably engaged with the guide column, and the The rear wall of the trough body is vertically sleeved with a rotating shaft lower than the strip groove 1 at one end away from the guide column; the bottom sealing member includes a transverse column and a sealing column detachably connected to the bottom of the transverse column, one end of the transverse column is provided with a socket that is rotatably sleeved with the rotating shaft, the middle part of the transverse column is provided with a strip groove 2 in the horizontal direction, and the end of the strip groove 2 away from the socket is provided with an inclined groove extending obliquely upward, and the top of the inclined groove is clamped on the guide column; the top surface of the inner cavity of the trough body is connected to a plurality of springs that press the top surface of the transverse column downward; the front end opening of the trough body is detachably covered with a sealing plate.

[0007] Preferably, a slat is fixed in the middle of the bottom surface of the transverse column, and a plurality of through holes 2 are provided on the slat along its axial direction. A slot that matches the slat is fixed on the top surface of the sealing column, and a through hole 1 corresponding to the through hole 2 is provided on the slot. Bolts are installed in the through hole 1 and the through hole 2, and a nut is installed at the rear end of the bolt.

[0008] Preferably, the front wall of the sliding door panel is provided with threaded holes at positions on the upper side and both sides of the groove body, and the top and both side edges of the closing plate are respectively provided with screws whose rear ends are threadedly sleeved with the threaded holes, and the bottom of the rear wall of the closing plate is provided with a strip protrusion that is in sliding contact with the front wall of the sealing column.

[0009] Preferably, the door frame includes a crossbeam and a side beam whose top end is fixed to the middle part of the crossbeam and the rear side of the bottom surface of one end; a column cavity is provided axially at the center of the crossbeam; a slide groove is provided on the bottom surface of the crossbeam corresponding to the middle part of the column cavity; axial holes are respectively provided on both end surfaces of the crossbeam corresponding to the axis center of the column cavity; the electric drive mechanism includes a screw rod rotatably sleeved in the axial hole at both ends and a servo motor fixed to the end of the crossbeam and transmission connected to the end of the screw rod; a vertical plate 1 that matches the sliding card engagement with the slide groove is fixed to the top surface of the sliding door panel; a slider that matches the sliding sleeve of the column cavity is fixed to the top of the vertical plate; a threaded sleeve that matches the threaded sleeve of the screw rod is fixedly sleeved in the middle part of the slider.

[0010] Preferably, a vertical plate 2 that is slidably engaged with the sliding groove is fixed to the top surface of the sliding door panel, and the front and rear sides of the top of the vertical plate 2 are rotatably mounted with rollers whose bottoms are supported on the bottom surface of the inner cavity of the column cavity.

[0011] Preferably, a plurality of positioning columns are vertically fixed to the top surface of the inner cavity of the slot body, and the top of the spring is sleeved on the positioning columns.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the process of the sliding door panel of an electric sliding door for a cold storage according to the utility model being opened and closed, the guide column is slidably engaged with the second strip groove, so that the horizontal column swings upward, forming a gap between the sealing column and the ground, reducing the friction on the sealing column, thereby extending the service life of the sealing column.

[0014] 2. The electric sliding door for cold storage involved in the utility model has a sealing plate at the groove of the sliding door panel that is easy to disassemble and assemble, and the sealing column and the horizontal column are easy to disassemble and assemble, so that the sealing column is easy to replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the door frame of the utility model;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the sliding door panel of the utility model;

[0018] Figure 4 It is a schematic diagram of the exploded structure of the bottom seal of the utility model;

[0019] Figure 5 It is a three-dimensional structural schematic diagram of the sealing plate of the utility model.

[0020] In the figure: 1-door frame; 1.1-crossbeam; 1.1.1-column cavity; 1.1.2-slide groove; 1.1.3-axis hole; 1.2-side beam; 1.3-guide column;

[0021] 2-sliding door panel; 2.1-vertical board 1; 2.2-sliding block; 2.3-threaded sleeve; 2.4-vertical board 2; 2.5-roller; 2.6-trough body; 2.7-strip groove 1; 2.8-rotating shaft; 2.9-threaded hole; 2.10-positioning column;

[0022] 3-Electric drive mechanism; 3.1-Servo motor; 3.2-Screw rod;

[0023] 4- bottom seal; 4.1- horizontal column; 4.1.1- plug hole; 4.1.2- bar groove 2; 4.1.3- inclined groove; 4.2- sealing column; 4.3- card slot; 4.3.1- through hole 1; 4.4- bolt; 4.5- nut; 4.6- lath; 4.6.1- through hole 2;

[0024] 5- Spring;

[0025] 6-sealing plate; 6.1-screw; 6.2-strip protrusion. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5 The utility model provides a technical solution, an electric sliding door for a cold storage, comprising a door frame 1, a sliding door panel 2 whose top end is slidably connected to the top of the door frame 1, an electric drive mechanism 3 installed on the top of the door frame 1 and used to drive the sliding door panel 2 to slide horizontally, and a bottom sealing member 4 arranged at the bottom of the sliding door panel 2.

[0028] The door frame 1 comprises a cross beam 1.1 and a side beam 1.2 whose top end is fixed to the middle part of the cross beam 1.1 and the rear side of the bottom surface of one end. A column cavity 1.1.1 is arranged in the center of the cross beam 1.1 along its axial direction. A slide groove 1.1.2 is arranged on the bottom surface of the cross beam 1.1 corresponding to the middle part of the column cavity 1.1.1. Axle holes 1.1.3 are arranged on both end surfaces of the cross beam 1.1 corresponding to the axis of the column cavity 1.1.1. The electric drive mechanism 3 comprises a screw rod 3.2 which is rotatably sleeved in the axis hole 1.1.3 at both ends and a servo motor 3.1 which is fixed to the end of the cross beam 1.1 and drivingly connected to the end of the screw rod 3.2. A vertical plate 2.1 which is slidably engaged with the slide groove 1.1.2 is fixed on the top surface of the sliding door panel 2. A slider 2.2 which is slidably sleeved with the column cavity 1.1.1 is fixed on the top of the vertical plate 2.1. A threaded sleeve 2.3 which is threaded sleeved with the screw rod 3.2 is fixed in the middle part of the slider 2.2. That is, the servo motor 3.1 is used to drive the screw rod 3.2 to rotate, and the screw rod 3.2 drives the slider 2.2 to slide along the column cavity 1.1.1 through the threaded sleeve 2.3, thereby realizing the translation opening or translation closing of the sliding door panel 2.

[0029] In order to improve the stability of the sliding door panel 2 in translation, a vertical plate 2.4 that is slidably engaged with the slide groove 1.1.2 is fixed on the top surface of the sliding door panel 2, and the front and rear sides of the top of the vertical plate 2.4 are respectively rotatably mounted with rollers 2.5 whose bottom is supported on the bottom surface of the inner cavity of the column cavity 1.1.1. That is, when the sliding door panel 2 translates, the rollers 2.5 roll along the inner cavity bottom surface of the column cavity 1.1.1.

[0030] A guide column 1.3 is vertically mounted on the front wall of the door frame 1 at a position close to the bottom end of the sliding door panel 2 on the side of the door opening direction, wherein the rear end of the guide column 1.3 is rotatably mounted on the bottom of the front wall of the corresponding side beam 1.2.

[0031] A groove 2.6 is provided at the bottom end of the front wall of the sliding door panel 2, and a strip groove 2.7 is provided on the rear wall of the groove 2.6 in the horizontal direction for sliding engagement with the guide column 1.3. A rotating shaft 2.8 lower than the strip groove 2.7 is vertically sleeved on the rear wall of the groove 2.6 away from the guide column 1.3; the bottom sealing member 4 includes a horizontal column 4.1 and a sealing column 4.2 detachably connected to the bottom of the horizontal column 4.1, and a socket 4.1.1 is provided at one end of the horizontal column 4.1 for rotationally engaging with the rotating shaft 2.8. The middle of the horizontal column 4.1 is provided with a strip groove 2 4.1.2 in the horizontal direction, and the end of the strip groove 2 4.1.2 away from the insertion hole 4.1.1 is provided with an oblique groove 4.1.3 extending obliquely upward, and the top of the oblique groove 4.1.3 is clamped on the guide column 1.3; the top surface of the inner cavity of the groove body 2.6 is connected with a plurality of springs 5 ​​that press the top surface of the horizontal column 4.1 downward, wherein a plurality of positioning columns 2.10 are vertically fixed to the top surface of the inner cavity of the groove body 2.6, and the top of the spring 5 is sleeved on the positioning column 2.10. The front end of the groove body 2.6 is detachably covered with a sealing plate 6.

[0032] In summary, when the sliding door panel 2 is opened in translation, the guide column 1.3 gradually changes from sliding engagement with the inclined groove 4.1.3 to sliding engagement with the second strip groove 4.1.2. That is, during the process of opening or closing the sliding door panel 2, the guide column 1.3 remains in sliding engagement with the second strip groove 4.1.2, and the guide column 1.3 exerts an upward force on the cross column 4.1 through the second strip groove 4.1.2, so that the cross column 4.1 compresses the spring 5 and swings upward, thereby creating a gap between the bottom surface of the sealing column 4.2 and the ground, so that the friction between the sealing column 4.2 and the ground is reduced during the opening and closing process of the sliding door panel 2. When the sliding door panel 2 is closed, the guide column 1.3 is re-engaged at the top of the inclined groove 4.1.3, and under the downward pushing action of the spring 5, the sealing column 4.2 is pressed against the ground to ensure the sealing effect.

[0033] A slat 4.6 is fixed to the middle of the bottom surface of the horizontal column 4.1, and a plurality of second through holes 4.6.1 are arranged on the slat 4.6 along its axial direction. A slot 4.3 that matches the slat 4.6 is fixed to the top surface of the sealing column 4.2, and a first through hole 4.3.1 that corresponds to the second through hole 4.6.1 is arranged on the slot 4.3. Bolts 4.4 are installed in the first through hole 4.3.1 and the second through hole 4.6.1, and nuts 4.5 are installed at the rear end of the bolts 4.4. Threaded holes 2.9 are respectively arranged on the front wall of the sliding door panel 2 at the upper side and both sides of the groove body 2.6, and screws 6.1 whose rear ends are threadedly sleeved and matched with the threaded holes 2.9 are respectively installed on the top and both side edges of the sealing plate 6, and a strip-shaped protrusion 6.2 that is in sliding contact with the front wall of the sealing column 4.2 is provided at the bottom of the rear wall of the sealing plate 6. That is, when the sealing column 4.2 needs to be replaced, the screw 6.1 is first removed to achieve the purpose of removing the sealing plate 6 first, and then the bottom sealing member 4 can be taken out from the slot body 4.1 as a whole, and then the bolt 4.4 and the nut 4.5 are removed to remove the sealing column 4.2 from the cross column 4.1. The slot 4.3 on the new sealing column 4.2 is clamped on the slat 4.6, and the first and second perforations 4.3.1 and 4.6.1 are perforated, and the bolt 4.4 and the nut 4.5 are installed to complete the installation operation of the sealing column 4.2, and then the jack 4.1.1 is re-sleeved on the rotating shaft 2.8, and the top of the inclined slot 4.1.3 is sleeved on the guide column 1.3; finally, the sealing plate 6 is installed by the screw 6.1 to complete the work of replacing the sealing column 4.2.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric sliding door for a cold storage, comprising a door frame (1), a sliding door plate (2) whose top end is slidably connected to the top of the door frame (1), an electric drive mechanism (3) installed on the top of the door frame (1) and used to drive the sliding door plate (2) to slide horizontally, and a bottom sealing member (4) provided at the bottom of the sliding door plate (2), characterized in that: A guide column (1.3) is vertically mounted on the front wall of the door frame (1) at a position close to the bottom end on one side corresponding to the door opening direction of the sliding door panel (2); A groove body (2.6) is provided at the bottom end of the front wall of the sliding door plate (2); a strip groove (2.7) is provided on the rear wall of the groove body (2.6) in the horizontal direction and is slidably engaged with the guide column (1.3); and a rotating shaft (2.8) is vertically sleeved on one end of the rear wall of the groove body (2.6) away from the guide column (1.3) and is lower than the strip groove (2.7); The bottom sealing member (4) comprises a transverse column (4.1) and a sealing column (4.2) detachably connected to the bottom of the transverse column (4.1); one end of the transverse column (4.1) is provided with a socket (4.1.1) that is rotatably sleeved and matched with the rotating shaft (2.8); a second strip groove (4.1.2) is provided in the middle of the transverse column (4.1) along the horizontal direction; an oblique groove (4.1.3) extending obliquely upward is provided at one end of the second strip groove (4.1.2) away from the socket (4.1.1); the top end of the oblique groove (4.1.3) is clamped on the guide column (1.3); The top surface of the inner cavity of the trough body (2.6) is connected to a plurality of springs (5) for pressing the top surface of the cross column (4.1) downward; The front opening of the tank body (2.6) is detachably covered with a sealing plate (6).

2. The electric sliding door for cold storage according to claim 1, characterized in that: A slat (4.6) is fixed to the middle of the bottom surface of the transverse column (4.1), and a plurality of second through holes (4.6.1) are arranged on the slat (4.6) along its axial direction. A slot (4.3) that matches the slat (4.6) is fixed to the top surface of the sealing column (4.2), and a first through hole (4.3.1) corresponding to the second through hole (4.6.1) is arranged on the slot (4.3), and a bolt (4.4) is installed in the first through hole (4.3.1) and the second through hole (4.6.1), and a nut (4.5) is installed at the rear end of the bolt (4.4).

3. The electric sliding door for cold storage according to claim 1 is characterized in that: The front wall of the sliding door panel (2) is provided with threaded holes (2.9) at positions on the upper side and both sides of the groove body (2.6), and the top and both side edges of the sealing plate (6) are respectively provided with screws (6.1) whose rear ends are threadedly sleeved with the threaded holes (2.9), and the bottom of the rear wall of the sealing plate (6) is provided with a strip protrusion (6.2) that is in sliding contact with the front wall of the sealing column (4.2).

4. The electric sliding door for cold storage according to claim 1, characterized in that: The door frame (1) comprises a crossbeam (1.1) and a side beam (1.2) whose top end is fixed to the middle of the crossbeam (1.1) and the rear side of the bottom surface of one end; a column cavity (1.1.1) is provided at the center of the crossbeam (1.1) along its axial direction; a slide groove (1.1.2) is provided on the bottom surface of the crossbeam (1.1) at a position corresponding to the middle of the column cavity (1.1.1); shaft holes (1.1.3) are provided on both end surfaces of the crossbeam (1.1) at positions corresponding to the axis of the column cavity (1.1.1); the electric drive mechanism (3) comprises two ends rotatably mounted on the shaft holes (1.1.3) 1.1.3) and a servo motor (3.1) fixed to the end of the crossbeam (1.1) and drivingly connected to the end of the screw rod (3.2); a vertical plate (2.1) matching the sliding slot (1.1.2) is fixed on the top surface of the sliding door panel (2); a slider (2.2) matching the sliding sleeve of the column cavity (1.1.1) is fixed on the top of the vertical plate (2.1); a threaded sleeve (2.3) matching the threaded sleeve of the screw rod (3.2) is fixed in the middle of the slider (2.2).

5. The electric sliding door for cold storage according to claim 4, characterized in that: A second vertical plate (2.4) that is slidably engaged and matched with the slide groove (1.1.2) is fixed to the top surface of the sliding door plate (2), and the front and rear sides of the top of the second vertical plate (2.4) are rotatably mounted with rollers (2.5) whose bottoms are supported on the bottom surface of the inner cavity of the column cavity (1.1.1).

6. The electric sliding door for cold storage according to claim 1, characterized in that: A plurality of positioning columns (2.10) are vertically fixed on the top surface of the inner cavity of the groove body (2.6), and the top of the spring (5) is sleeved on the positioning columns (2.10).

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