CN210798690U - Cold storage door for cold chain storage - Google Patents

Abstract

The utility model discloses a cold storage door for cold chain storage, which relates to the door field, and the technical proposal is characterized in that the cold storage door comprises a door frame arranged on the wall surface and a door body arranged on the door frame, slide rails fixed on the wall surface are arranged at the top and the bottom of the door frame, a sliding device for driving the door body to move along the slide rails is also arranged at the top of the door frame, a buffer device for preventing the door body from impacting two ends of the slide rails is arranged between the slide rails, the buffer device comprises a buffer and a buffer block which are arranged on the wall surface, the buffer comprises a shell, a connecting rod which is arranged on the shell in a penetrating way, and a pressure spring which is connected with the inner wall of the shell and the connecting rod, the buffer block is arranged on the motion path of the door body and is connected with one end of the pressure spring of the connecting rod far away from the shell, the speed is reduced when the sliding rail terminal is about to arrive, so that the impact on the sliding rail terminal is reduced, and the service life of the sliding rail is prolonged.

Description

Cold storage door for cold chain storage

Technical Field

The utility model relates to a door field, in particular to cold storage door for cold chain is preserved.

Background

The cold storage is mainly used for constant-temperature storage of stored articles such as food, dairy products, meat, aquatic products and the like. The principle is that a basically closed space is used as a storage space, and the storage space is cooled by cooling equipment and the temperature is controlled to be constant. In order to realize good heat preservation of the refrigeration house, the door of the refrigeration house is designed to be very thick and heavy, and is very inconvenient to open.

At present, chinese patent with publication number CN206556342U discloses an automatic cold storage door, which comprises a door frame and a sliding door, wherein the bottom of the door frame is provided with a chute, the sliding door can slide in the chute, the top of the door frame is provided with a slide rail, the sliding door is provided with a pulley capable of rolling in the slide rail, the top of the door frame is provided with a motor and a fixed pulley, a belt pulley is sleeved on a motor rotating shaft, the slide rail is provided with a transmission belt connected with the belt pulley and the fixed pulley, the pulley and the transmission belt are fixed, and one side of the door frame is provided with a switch device for opening and closing. Sealing strips are fixed on the periphery of the door frame, and gaps between the door frame and the wall of the refrigeration house are filled through the sealing strips so as to realize sealing. When an operator needs to open the refrigeration house, the switch device on one side of the door frame can be pressed down to start the motor, and the motor can drive the pulley through the driving belt to enable the sliding door to accurately slide to one side from the door frame door opening after being started, so that the refrigeration house is opened.

Although the automatic cold storage door can achieve good sealing performance, the sliding door is designed to be firm, thick and heavy in order to guarantee heat insulation performance, and has large inertia. The motor drives the sliding door to move along the sliding rail in the comparison file, and when the sliding door moves to the terminal of the sliding rail, the pulley fixedly connected to the sliding door violently impacts the terminal of the sliding rail due to the action of inertia, so that the sliding rail is easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cold storage door for cold chain is stored, the door body on it takes place to slow down when will arriving at slide rail terminal under buffer's effect, has reduced the striking to slide rail terminal to the life of slide rail has been improved.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a cold storage door for cold chain is stored, is including installing the door frame on the wall and installing the door body on the door frame, the top and the bottom of door frame are equipped with the slide rail that is fixed in the wall, the top of door frame still is equipped with and is used for the driving door body along the device that slides of slide rail motion, a serial communication port, install the buffer who is used for avoiding a body to strike the slide rail both ends between the slide rail, buffer is including installing buffer and the buffer block in the wall, the buffer includes the casing, wears to locate the connecting rod on the casing and the pressure spring of connecting shells inner wall and connecting rod, the buffer block is installed on the motion route of a body and links in the one end of the pressure spring that the casing was kept away from to the connecting rod, the door body.

Through adopting above-mentioned technical scheme, because the quality of the door body is very high, the inertia of motion is very big, can butt earlier on the buffer block when the door body is close to the slide rail terminal, the buffer block is towards the direction compression pressure spring of buffer, the pressure spring takes place deformation and produces a resistance that hinders its motion to the door body, make the door body possess one section buffer distance in order to slow down, avoided the direct striking of the door body on the slide rail terminal, thereby avoid the slide rail to receive a body striking and damage for a long time, improve the life of guide rail.

Further setting: the door body is provided with the sealing strip towards the freezer one side all around, be provided with on the buffer block and keep away from the wedge face of wall gradually in the door body direction, be provided with the inclined plane with wedge face matched with on the door body.

Through adopting above-mentioned technical scheme, the long-term in-process with the friction of door frame of sealing strip can take place wearing and tearing and produce certain gap with the door frame, influence sealed effect. And through the setting of wedge, when the cold storage door was closing the in-process, the inclined plane on the door body and wedge looks butt, the door body received the wedge towards the power of door frame direction to make the door body compress tightly the sealing strip on the door frame, promote sealed effect.

Further setting: the sliding device comprises pulleys arranged at two ends of the sliding rail respectively, a conveying belt connected with the two pulleys and a motor used for driving the pulleys to drive the conveying belt to move, the bottom of the door body is hinged with rollers sliding along the sliding rail, a sliding seat connected with the sliding rail in a sliding manner is fixedly arranged at the top of the door body, and the sliding seat is fixedly connected with the conveying belt and drives the door body to slide along the sliding rail under the driving of the conveying belt.

Through adopting above-mentioned technical scheme, motor drive pulley rotates, and the pulley drives the conveyer belt motion rather than the butt. Because the pulleys are arranged at the two ends of the sliding rail, and the conveying belt is connected with the two pulleys, the sliding rail is parallel to the conveying belt. Because the slide is fixedly connected with the conveyor belt, and the door body is fixedly connected with the slide, the conveyor belt drives the door body to slide along the slide rail.

Further setting: and a travel switch for controlling the motor to stop running is mounted on the buffer block.

Through adopting above-mentioned technical scheme, when the door body touched the buffer block, the formation switch on the buffer block was triggered, made the motor stall to avoid the door frame butt in the terminal idle running of motor of slide rail, thereby avoided the motor to damage.

Further setting: the door frame includes the closed end with the door body looks closed cold storage door after propping up, the wall is equipped with T type groove and installs the bullet piece in T type inslot on the motion route of the door body, the bullet piece links to each other and pushes away the elastic component of bottom plate outside the T type groove and connecting bottom plate and T type groove and to the T type groove at the door body butt in the protruding portion that stretches out in the T type groove and the T type groove of follow when closed end including installing bottom plate, the bottom plate in order to prevent the bullet piece to break away from T type groove at T type groove tank bottom and.

Further setting: the elastic piece is a spring, the bottom plate is connected with the bottom of the T-shaped groove through the spring, and the length of the protruding portion outside the T-shaped groove is smaller than the distance from the bottom plate to the bottom of the T-shaped groove when the protruding portion extends out of the T-shaped groove.

Through adopting above-mentioned technical scheme, when the cold storage door was opened, the protruding portion butt in the one side of the door body towards the freezer, the spring produced the elasticity outside the T type groove towards the bottom plate this moment. When the door body butts against the closed end, the door body no longer blocks the protruding part, and the bottom plate and the protruding part move outwards towards the T-shaped groove under the pushing of the spring until the bottom plate butts against the groove wall of the T-shaped groove. In addition, the length of the protruding part outside the T-shaped groove is smaller than the distance from the bottom plate to the bottom of the groove when the protruding part extends out of the T-shaped groove, so that the protruding part can be completely retracted into the T-shaped groove, and the phenomenon that the movement of a door body is hindered when the cold storage door is opened is avoided.

Further setting: the protruding portion is provided with a through hole for penetrating through the padlock.

Through adopting above-mentioned technical scheme, lock the padlock at the protruding portion, the protruding portion will be unable to return and retract in the T type groove, and the door body can' T keep away from the closed end owing to receive blockking of protruding portion to make the cold storage door unable to open.

To sum up, the utility model discloses following beneficial effect has: the door body is decelerated when reaching the slide rail terminal under the action of the buffer device, so that the impact on the slide rail terminal is reduced, and the service life of the slide rail is prolonged; when the door body is close to the closed end, the sealing strip is pressed to be tightly abutted against the door frame under the action of the wedge-shaped surface, so that the sealing property is improved; the setting of bullet piece can pin the cold storage door, simple structure and lock a convenient operation.

Drawings

Fig. 1 is a schematic structural view of a cold storage door for cold chain storage in the present embodiment;

FIG. 2 is a front view of a cold storage door for cold chain storage in the present embodiment in a closed state;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a cross-sectional view of the bumper taken along a horizontal plane;

fig. 5 is an enlarged view at a in fig. 3.

In the figure, the position of the upper end of the main shaft,

1. a wall surface; 11. a fixed seat; 12. a T-shaped groove; 13. a spring block; 131. a base plate; 132. a protrusion; 133. an elastic member; 134. a spring; 135. a through hole;

2. a door frame; 21. a closed end; 22. a slide rail;

3. a door body; 31. a sealing strip; 32. a bevel; 33. a slide base; 34. a roller;

4. a runner; 41. a pulley; 42. a conveyor belt; 43. a motor; 44. a flange plate;

5. a buffer device; 51. a buffer; 511. a housing; 512. a pressure spring; 513. a connecting rod; 52. a buffer block; 521. a wedge-shaped surface; 53. a travel switch;

6. a padlock is provided.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A cold storage door for cold chain storage refers to fig. 1 and comprises a door frame 2 installed on a wall surface 1 and a door body 3 installed on the door frame 2, sliding rails 22 and sliding devices 4 used for driving the door body 3 to move along the sliding rails 22 are arranged at the top and the bottom of the door frame 2, and buffering devices 5 used for preventing the door body 3 from impacting two ends of the sliding rails 22 are installed on the wall surface 1.

Referring to fig. 1, the door body 3 is arranged perpendicular to the ground, the door frame 2 is matched with the door body 3, the sealing strips 31 are arranged around one side of the door body 3 facing the cold storage, and the sealing strips 31 just abut against the door frame 2 when the cold storage door is closed. The door frame 2 includes a closed end 21 for tightly closing the door of the refrigerator after abutting against the door body 3.

Referring to fig. 1, the top and bottom of the door frame 2 are provided with slide rails 22 flush with the ground, the slide rails 22 at the top of the door frame 2 are fixed to the wall surface 1, and the slide rails 22 at the bottom of the door frame 2 are embedded in the ground. Referring to fig. 3, the sliding device 4 includes pulleys 41 respectively mounted at two ends of the sliding rail 22, a belt 42 connecting the two pulleys 41, and a motor 43 for driving the pulley 41 to drive the belt 42 to move, wherein the motor 43 is controlled by a button (not shown) provided on the wall to be powered on, and the belt 42 is tensioned by the pulley 41 and is perpendicular to the wall surface 1. Sliding seats 33 are installed at the top and the bottom of the door body 3, balls (not marked in the figure) embedded in the sliding rails 22 are installed at the bottom of the sliding seats 33, and the sliding seats 33 are in sliding connection with the sliding rails 22 through the balls. The bottom of the door body 3 is hinged with a roller 34, and the roller 34 rolls on the slide rail 22 on the ground and is connected with the slide rail 22 in a rolling way. The conveyor belt 42 is bolted on the sliding seat 33 through the flange plate 44, and the sliding seat 33 drives the door body 3 to slide along the slide rail 22 under the driving of the conveyor belt 42.

Referring to fig. 1, the buffer devices 5 are respectively installed at two ends of the slide rails 22 and located between the slide rails 22, and include a buffer 51 and a buffer block 52 installed on the motion path of the door body 3, referring to fig. 4, the buffer 51 includes a housing 511, a connecting rod 513 penetrating the top of the housing 511, and a compression spring 512 connecting the connecting rod 513 and the bottom inside the housing 511, the housing 511 of the connecting rod 513 is installed on the wall surface 1 through a fixing seat 11, and the buffer block 52 is fixedly connected with the connecting rod 513 of the buffer 51. Referring to fig. 1, the buffer block 52 is strip-shaped and is perpendicular to the ground, the buffer block 52 far away from the closed end 21 is block-shaped, a wedge surface 521 far away from the wall surface 1 gradually in the direction towards the door body 3 is arranged on the buffer block 52 near the closed end 21, an inclined surface 32 matched with the wedge surface 521 is arranged on the door body 3, and the inclined surface 32 abuts against the wedge surface 521. When the door body 3 moves towards the closing end 21, the door body 3 will abut against the buffer block 52 first, and the buffer block 52 generates a resistance force for hindering the movement of the door body 3 under the action of the buffer 51, so that the door body 3 has a buffer distance for decelerating. In addition, in the process of long-term friction between the sealing strip 31 and the door frame 2, abrasion occurs and a certain gap is generated between the sealing strip and the door frame 2, so that the sealing effect is influenced. Due to the arrangement of the wedge-shaped surface 521, when the cold storage door is closed, the inclined surface 32 on the door body 3 abuts against the wedge-shaped surface 521, and the door body 3 is subjected to a force of the wedge-shaped surface 521 towards the door frame 2, so that the door body 3 compresses the sealing strip 31 on the door frame 2, and the sealing effect is improved. The buffer block 52 is further provided with a travel switch 53 for controlling the motor 43 to stop running, when the door body 3 touches the buffer block 52, a switch formed on the buffer block 52 is triggered to stop the motor 43 from rotating, so that the motor 43 is prevented from idling when the door frame 2 abuts against the tail end of the sliding rail 22, and the motor 43 is prevented from being damaged.

Referring to fig. 2 and 5, the wall surface 1 is provided with a T-shaped groove 12 and an elastic block 13 installed in the T-shaped groove 12 on a moving path of the door body 3, the elastic block 13 includes a bottom plate 131, a protrusion 132 and an elastic member 133, and the elastic member 133 is a spring 134 in this embodiment. The bottom plate 131 is integrally connected with the protruding part 132, the bottom plate 131 is installed at the bottom of the T-shaped groove 12, the protruding part 132 protrudes from the T-shaped groove 12 when the cold storage door is closed, and the length outside the T-shaped groove 12 is smaller than the distance from the bottom plate 131 to the bottom of the groove. The width of the bottom plate 131 is larger than the width of the notch of the T-shaped groove 12, and is connected with the groove bottom of the T-shaped groove 12 through a spring 134. When the refrigerator door is opened, the protrusion 132 abuts on one surface of the door body 3 facing the refrigerator, and at this time, the spring 134 generates an elastic force on the bottom plate 131 facing the outside of the T-shaped groove 12. When the door body 3 abuts against the closing end 21, the door body 3 no longer blocks the protrusion 132, and the bottom plate 131 and the protrusion 132 move outwards towards the T-shaped groove 12 under the urging of the spring 134 until the bottom plate 131 abuts against the groove wall of the T-shaped groove 12. In addition, when the protruding portion 132 extends out of the T-shaped groove 12, the length of the protruding portion 132 outside the T-shaped groove 12 is smaller than the distance from the bottom plate 131 to the bottom of the groove, so that the protruding portion 132 can be completely retracted into the T-shaped groove 12, and the obstruction to the movement of the door body 3 when the refrigerator door is opened is avoided.

Further, the projection 132 is provided with a through hole 135 for passing through the padlock 6. When the padlock 6 is locked on the protrusion 132, the protrusion 132 cannot retract into the T-shaped groove 12, and the door body 3 cannot move away from the closing end 21 due to the blocking of the protrusion 132, so that the refrigerator door cannot be opened.

The above-mentioned embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.

Claims (7)

1. The utility model provides a cold storage door for cold chain is stored, is including installing door frame (2) on wall (1) and installing door body (3) on door frame (2), the top and the bottom of door frame (2) are equipped with slide rail (22) that are fixed in the wall, the top of door frame (2) still is equipped with and is used for driving the door body along slide rail moving slider (4), its characterized in that, install buffer (5) that are used for avoiding a body (3) to strike slide rail (22) both ends between slide rail (22), buffer (5) are including installing buffer (51) and buffer block (52) in wall (1), buffer (51) are including casing (511), wear to locate connecting rod (513) on casing (511) and pressure spring (512) of connecting casing (511) inner wall and connecting rod (513), buffer block (52) are installed on the motion route of door body (3) and connecting rod (513) are kept away from pressure spring (512) of casing (511) and are linked to in a pressure spring (512) of casing (511) And the door body (3) is pushed by the buffer block (52) to compress the compression spring (512) so as to reduce the speed.

2. The cold storage door for cold chain storage according to claim 1, wherein the periphery of one surface of the door body (3) facing the cold storage is provided with the sealing strip (31), the buffering block (52) is provided with a wedge surface (521) which is gradually far away from the wall surface (1) in the direction facing the door body (3), and the door body (3) is provided with an inclined surface (32) matched with the wedge surface (521).

3. The cold storage door for cold chain storage according to claim 1, wherein the sliding device (4) comprises pulleys (41) respectively mounted at two ends of the sliding rail (22), a conveyor belt (42) connecting the two pulleys (41), and a motor (43) for driving the pulleys (41) to drive the conveyor belt (42) to move, the bottom of the door body (3) is hinged with a roller (34) sliding along the sliding rail (22), the top of the door body (3) is fixedly mounted with a sliding seat (33) slidably connected with the sliding rail (22), and the sliding seat (33) is fixedly connected with the conveyor belt (42) and drives the door body (3) to slide along the sliding rail (22) under the driving of the conveyor belt (42).

4. A cold storage door for cold chain storage according to claim 1, wherein a travel switch (53) for controlling the motor (43) to stop running is mounted on the buffer block (52).

5. A cold storage door for cold chain storage according to claim 1, wherein the door frame (2) comprises a closed end (21) for tightly closing the cold storage door after abutting against the door body (3), the wall surface (1) is provided with a T-shaped groove (12) and a spring block (13) installed in the T-shaped groove (12) on the moving path of the door body (3), the spring block (13) comprises a bottom plate (131) installed at the bottom of the T-shaped groove (12) to prevent the spring block (13) from separating from the T-shaped groove (12), a protrusion (132) connected with the bottom plate (131) and protruding from the T-shaped groove (12) when the door body (3) abuts against the closed end (21), and an elastic member (133) connecting the bottom plate (131) and the T-shaped groove (12) and pushing the bottom plate (131) outwards towards the T-shaped groove (12).

6. A cold storage door for cold chain storage according to claim 5, wherein the resilient member (133) is a spring (134), the bottom plate (131) is connected to the bottom of the T-shaped groove (12) by the spring (134), and the length of the protrusion (132) outside the T-shaped groove (12) when the protrusion (132) extends out of the T-shaped groove (12) is smaller than the distance from the bottom plate (131) to the bottom of the groove.

7. A cold store door for cold chain storage according to claim 5, wherein the protrusion (132) is provided with a through hole (135) for passing through the padlock (6).

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