CN215412690U

CN215412690U - Automatic air pressure balancing device for refrigeration house

Info

Publication number: CN215412690U
Application number: CN202121859935.7U
Authority: CN
Inventors: 李超; 乔恩平
Original assignee: Henan Sanli Cold Chain Technology Co ltd
Current assignee: Henan Sanli Cold Chain Technology Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-04
Anticipated expiration: 2031-08-10

Abstract

The utility model relates to the technical field of automatic air pressure balancing devices, and discloses an automatic air pressure balancing device for a refrigeration house, which comprises a rotatable rotating rod inserted on the outer side surface of a shell, wherein limiting plates for limiting the device are sleeved on the front side and the rear side of the outer surface of the rotating rod, a limiting pin for limiting and fixing is inserted on the outer side of the front side limiting plate, and a hand pull ring for controlling the movement of the limiting pin is inserted on the front side of the outer side surface of the limiting pin. This freezer atmospheric pressure automatic balancing device through adjusting device's effect, has realized that the device has atmospheric pressure automatic balancing's function, and the effectual freezer that has prevented is after the refrigeration, and indoor temperature reduces for the inside atmospheric pressure of freezer descends, just so makes indoor and outdoor pressure differential strengthen very easily, and the phenomenon that causes the door of freezer to appear more difficult opening takes place, and the practicality is better, has made things convenient for staff to the device's use.

Description

Automatic air pressure balancing device for refrigeration house

Technical Field

The utility model relates to the technical field of air pressure automatic balancing devices, in particular to an air pressure automatic balancing device for a refrigeration house.

Background

The cold storage is one of refrigeration equipment, and the cold storage is used for creating an environment with different outdoor temperature or humidity by using a manual means; the cold storage is mainly used for constant-temperature storage of foods, dairy products, meat, aquatic products, poultry, fruits and vegetables, cold drinks and the like; however, most of the existing refrigeration houses are difficult to realize the function of automatic air pressure balance, after the refrigeration houses are refrigerated, the indoor temperature is reduced, so that the air pressure in the refrigeration houses is reduced, when food in the refrigeration houses is refrigerated at low temperature, the pressure difference between the indoor and the outdoor is increased easily, the phenomenon that the doors of the refrigeration houses are difficult to open occurs, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an automatic air pressure balancing device for a refrigeration house, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a freezer atmospheric pressure automatic balancing unit, is including pegging graft at the rotatable dwang of shell lateral surface, both sides all have cup jointed around the dwang surface and are used for carrying out spacing limiting plate to the device, and it has the spacer pin that is used for spacing fixed to be located the positive outside grafting of front side spacer plate, the front side grafting of spacer pin lateral surface has been used for controlling the hand power ring that the spacer pin removed, the front side of shell left side inner wall and right side inner wall has all been seted up and is used for spacing groove, the inside front side of shell is provided with the adjusting device who is used for the inside and outside atmospheric pressure balance of automatically regulated freezer.

Preferably, adjusting device includes the baffle, the equal fixedly connected with sliding block of the left and right sides face of baffle, it has the dead lever to peg graft in the middle part of sliding block lateral surface, the outer end of dead lever and the inner wall fixed connection of shell, return spring has been cup jointed to the surface of dead lever, the inner wall of baffle rotates and is connected with the transfer line, peg graft in the outside of transfer line lateral surface has the gag lever post, the surface of gag lever post is provided with the rotor plate, the outside fixedly connected with hinge at the rotor plate back, the lateral surface of hinge and the inner wall fixed connection of shell, logical groove has been seted up to the inner wall of rotor plate, logical groove and gag lever post sliding connection, the inboard fixedly connected with stopper of rotor plate left and right sides face.

Preferably, the back of the rotating plate is provided with a square groove, and the inner diameter of the square groove is matched with the outer diameter of the transmission rod.

Preferably, the number of the return springs is four, and the four sets of return springs are made of silicon-manganese spring steel.

Preferably, the outer side of the front surface of the shell is provided with a limiting hole, and the inner diameter of the limiting hole is matched with the outer diameter of the limiting pin.

Preferably, the inner side of the outer surface of the limiting block is sleeved with a fixing ring, and the inner side surface of the fixing ring is fixedly connected with the outer side surface of the rotating plate.

Preferably, the middle parts of the inner wall of the left side and the inner wall of the right side of the shell are provided with elongated slots, and the inner diameters of the elongated slots are matched with the outer diameters of the sliding blocks.

Preferably, the manufacturing materials of the rotating rod, the limiting plate, the limiting pin, the fixing rod, the limiting rod and the limiting block are all stainless steel.

Preferably, the number of the limiting grooves and the limiting blocks is four, and the limiting grooves are matched with the outer diameters of the limiting blocks.

Preferably, the outer side surface of the housing is provided with a sealing layer, and the thickness of the sealing layer is set to be one centimeter to two centimeters.

(III) advantageous effects

Compared with the prior art, the utility model provides an automatic air pressure balancing device for a refrigeration house, which has the following beneficial effects:

1. this freezer atmospheric pressure automatic balancing device through adjusting device's effect, has realized that the device has atmospheric pressure automatic balancing's function, and the effectual freezer that has prevented is after the refrigeration, and indoor temperature reduces for the inside atmospheric pressure of freezer descends, just so makes indoor and outdoor pressure differential strengthen very easily, and the phenomenon that causes the door of freezer to appear more difficult opening takes place, and the practicality is better, has made things convenient for staff to the device's use.

2. This freezer atmospheric pressure automatic balancing device removes through the spacer pin and fixes between limiting plate and the shell, and control position is located the front side limiting plate afterwards and drives the dwang and be located the limiting plate of rear side and rotate one hundred eighty degrees to the outside, and the spacer pin is controlled once more afterwards and is fixed it for the device can be quick install in offering good through-hole on the wall in advance, labour saving and time saving, great shortening the user to the device installation time, convenient and fast.

3. This freezer atmospheric pressure automatic balancing device through mutually supporting of four sets of return springs for the device has had self-closing's function, and the effectual device that has prevented is after accomplishing the inside and outside atmospheric pressure balance of freezer, and the phenomenon that can't reset appears in the rotor plate takes place, has prevented the inside excessive discharge of cold air of freezer, and the inside temperature of freezer rises, causes the inside article of storing of freezer to appear damaging the phenomenon.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the housing of the present invention;

FIG. 3 is a partial schematic view of the present invention;

FIG. 4 is an exploded view of the adjusting device of the present invention.

In the figure: 1. a housing; 2. rotating the rod; 3. a limiting plate; 4. a spacing pin; 5. a hand-pulling ring; 6. a limiting groove; 7. an adjustment device; 701. a baffle plate; 702. a slider; 703. fixing the rod; 704. a return spring; 705. a transmission rod; 706. a limiting rod; 707. a rotating plate; 708. a hinge; 709. a through groove; 710. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an automatic air pressure balancing device for a refrigeration house comprises a rotatable rotating rod 2 inserted on the outer side surface of a shell 1, limiting plates 3 used for limiting the device are sleeved on the front side and the rear side of the outer surface of the rotating rod 2, a limiting pin 4 used for limiting and fixing is inserted on the outer side of the front side of the limiting plate 3, the fixing between the limiting plate 3 and the shell 1 is released through the limiting pin 4, then the limiting plate 3 positioned on the front side is controlled to drive the rotating rod 2 and the limiting plate 3 positioned on the rear side to rotate one hundred eighty degrees outwards, and then the limiting pin 4 is controlled again to fix the limiting plate, so that the device can be rapidly installed in a through hole formed in the wall surface in advance, time and labor are saved, the installation time of a user on the device is greatly shortened, the device is convenient and rapid, a hand pull ring 5 used for controlling the limiting pin 4 to move is inserted on the front side of the outer side surface of the limiting pin 4, limiting grooves 6 used for limiting are formed in the front side of the inner wall surface of the left side and the inner wall of the shell 1, the inside front side of shell 1 is provided with adjusting device 7 that is used for the inside and outside atmospheric pressure of automatically regulated freezer balanced, adjusting device 7's effect, it has the function of atmospheric pressure automatic balance to have realized the device, the effectual freezer that has prevented is after the refrigeration, indoor temperature reduces, make the inside atmospheric pressure decline of freezer, just so make indoor and outdoor pressure differential increase very easily, the phenomenon that causes the door of freezer to appear comparatively difficult opening takes place, the practicality is better, the use of staff to the device has been made things convenient for.

In order to realize the function of automatically adjusting the air pressure of the refrigeration house, the adjusting device 7 comprises a baffle 701, the left side surface and the right side surface of the baffle 701 are fixedly connected with a sliding block 702, the middle part of the outer side surface of the sliding block 702 is inserted with a fixed rod 703, the outer end of the fixed rod 703 is fixedly connected with the inner wall of the shell 1, the outer surface of the fixed rod 703 is sleeved with a return spring 704, the device has the function of automatically closing through the mutual matching of four groups of return springs 704, the phenomenon that the rotating plate 707 cannot reset after the device completes the balance of the air pressure inside and outside the refrigeration house is effectively prevented, the excessive discharge of cold air inside the refrigeration house is prevented, the temperature inside the refrigeration house is increased, the phenomenon that articles stored inside the refrigeration house are damaged is prevented, the inner wall of the baffle 701 is rotatably connected with a transmission rod 705, and the outer side surface of the transmission rod 705 is inserted with a limiting rod 706, the outer surface of the limiting rod 706 is provided with a rotating plate 707, the outer side of the back of the rotating plate 707 is fixedly connected with a hinge 708, the outer side face of the hinge 708 is fixedly connected with the inner wall of the shell 1, the inner wall of the rotating plate 707 is provided with a through groove 709, the through groove 709 is in sliding connection with the limiting rod 706, and the inner sides of the left side face and the right side face of the rotating plate 707 are fixedly connected with a limiting block 710, so that the function that the refrigeration house has automatic air pressure regulation is achieved.

In the utility model, in order to facilitate the movement of the limiting rod 706 in the square groove along the inner wall of the through groove 709, the back surface of the rotating plate 707 is provided with the square groove, the inner diameter of the square groove is matched with the outer diameter of the transmission rod 705, and the limiting rod 706 can move in the square groove along the inner wall of the through groove 709 conveniently.

In order to prolong the service life of the four groups of return springs 704, the number of the return springs 704 is four, the four groups of return springs 704 are made of silicon-manganese spring steel, the springs made of the silicon-manganese spring steel have good return effect and are not easy to deform, and the service life of the four groups of return springs 704 is prolonged.

In order to facilitate a user to quickly fix the shell 1 and the limiting plate 3, the limiting hole is formed in the outer side of the front face of the shell 1, the inner diameter of the limiting hole is matched with the outer diameter of the limiting pin 4, the limiting pin 4 is controlled to penetrate through the limiting plate 3 and be inserted into the limiting hole, fixing is achieved, and the user can conveniently and quickly fix the shell 1 and the limiting plate 3.

In order to improve the connection stability between the limiting block 710 and the rotating plate 707, the inner side of the outer surface of the limiting block 710 is sleeved with the fixing ring, the inner side surface of the fixing ring is fixedly connected with the outer side surface of the rotating plate 707, the fixing ring increases the contact area between the limiting block 710 and the rotating plate 707, and the connection stability between the limiting block 710 and the rotating plate 707 is improved.

In order to facilitate the sliding block 702 to move in the long groove along the outer surface of the fixing rod 703, the long groove is formed in the middle of each of the left inner wall and the right inner wall of the housing 1, the inner diameter of the long groove is matched with the outer diameter of the sliding block 702, and the sliding block 702 is convenient to move in the long groove along the outer surface of the fixing rod 703.

In order to ensure that the rotating rod 2, the limiting plate 3, the limiting pin 4, the fixing rod 703, the limiting rod 706 and the limiting block 710 are not easy to damage in use, the manufacturing materials of the rotating rod 2, the limiting plate 3, the limiting pin 4, the fixing rod 703, the limiting rod 706 and the limiting block 710 are all made of stainless steel, the stainless steel has high hardness and is not easy to deform, and the rotating rod 2, the limiting plate 3, the limiting pin 4, the fixing rod 703, the limiting rod 706 and the limiting block 710 are not easy to damage in use.

In order to ensure the stability of the rotating plate 707 during rotation, the number of the limiting grooves 6 and the limiting blocks 710 is set to four, the limiting grooves 6 are adapted to the outer diameter of the limiting blocks 710, when the rotating plate 707 rotates, the limiting blocks 710 are driven to move along the inside of the limiting grooves 6, and the stability of the rotating plate 707 during rotation is ensured by the mutual matching between the limiting blocks 710 and the limiting grooves 6.

In order to improve the sealing performance between the outer side surface of the shell 1 and the wall body when the device is installed in the wall body, the sealing layer is arranged on the outer side surface of the shell 1, the thickness of the sealing layer is set to be one centimeter to two centimeters, the sealing layer can effectively prevent a gap from occurring between the outer side surface of the shell 1 and the wall body, and the sealing performance between the outer side surface of the shell 1 and the wall body when the device is installed in the wall body is improved.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the device is used, a through hole matched with the shell 1 is formed in the wall surface of a refrigeration house in advance, then the device is integrally placed in the through hole, then the hand pull ring 5 is controlled to drive the limiting pin 4 to be pulled out of the limiting plate 3 positioned at the front side, the fixing between the limiting plate 3 and the shell 1 is released, then the limiting plate 3 positioned at the front side is controlled to drive the rotating rod 2 and the limiting plate 3 positioned at the rear side to rotate outwards for one hundred eighty degrees along the inside of the shell 1, so that the inner side surface of the limiting plate 3 is tightly attached to the outer side surface of the wall body, then the limiting pin 4 is controlled to penetrate through the limiting plate 3 positioned at the front side to be inserted into the limiting hole and fixed again, the device is installed, and then when the external air pressure is greater than the air pressure in the refrigeration house, the external air pressure can push the baffle 701 and the sliding block 702 to move towards the rear side along the outer surface of the fixing rod 703, meanwhile, the return spring 704 is extruded, meanwhile, the baffle 701 drives the inner end of the transmission rod 705 to rotate along the inner wall of the baffle 701, meanwhile, the outer end of the transmission rod 705 rotates along the outer surface of the limiting rod 706, the outer end of the transmission rod 705 drives the limiting rod 706 to move downwards along the inside of the through groove 709, meanwhile, a backward pulling force is applied to the rotating plate 707, meanwhile, due to the action of the hinge 708, the rotating plate 707 rotates towards the back side along the rotating shaft inside the hinge 708, meanwhile, the rotating plate 707 drives the limiting block 710 to move along the inside of the limiting groove 6, the limiting of the rotating plate 707 enables a gap to be formed between the rotating plate 707 and the baffle 701, the shielding of the shell 1 is released, outside air enters the interior of the refrigeration house through the gap between the rotating plate 707 and the baffle 701, and the air pressure inside the refrigeration house is adjusted, when the air pressure inside the refrigeration house is balanced with the air pressure outside, the air pressure outside is relieved from pushing the baffle 701, meanwhile, the return spring 704 is extruded to generate a rebound force, the baffle 701 and the sliding block 702 are pushed to move towards the front side along the outer surface of the fixed rod 703, through the transmission rod 705 and the mutual matching between the limiting rod 706 and the through groove 709, the rotating plate 707 drives the limiting block 710 to rotate towards the front side along the inside of the limiting groove 6 until the rotating plate 707 and the baffle 701 return to the position before the refrigeration house is not used again, the inside of the shell 1 is shielded, the automatic closing function is realized, the excessive loss of cold air inside the refrigeration house is prevented, and then the device completes automatic balancing of the air pressure inside and outside the refrigeration house.

To sum up, this freezer atmospheric pressure automatic balancing device through adjusting device 7's effect, has realized that the device has atmospheric pressure automatic balancing's function, has effectually prevented that the freezer after refrigeration, indoor temperature reduces for the inside atmospheric pressure of freezer descends, just so makes indoor and outdoor pressure differential increase very easily, causes the phenomenon that the door of freezer appears more difficult opening and takes place, and the practicality is better, has made things convenient for staff to the use of device.

This freezer atmospheric pressure automatic balancing device, remove through spacer pin 4 and fix between limiting plate 3 and the shell 1, control position is behind the limiting plate 3 drive dwang 2 and the limiting plate 3 that is located the rear side and rotates one hundred eighty degrees to the outside, after that the spacer pin 4 of once more control is fixed to it, make the device can be quick install in offering good through-hole on the wall in advance, time saving and labor saving, great shortening the user is to the installation time of device, convenient and fast.

This freezer atmospheric pressure automatic balancing device through four groups return spring 704's mutually supporting for the device has had self-closing's function, and the effectual device that has prevented that the phenomenon that the rotor plate 707 appears unable reseing takes place after accomplishing to the inside and outside atmospheric pressure balance of freezer, has prevented the inside excessive discharge of cold air of freezer, and the inside temperature of freezer rises, causes the inside article of storing of freezer to appear damaging the phenomenon.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a freezer atmospheric pressure automatic balancing unit, includes grafting at rotatable dwang (2) of shell (1) lateral surface, its characterized in that: both sides all cup jointed around dwang (2) surface are used for carrying on spacing limiting plate (3) to the device, are located front side limiting plate (3) positive outside and peg graft and have be used for spacing fixed spacer pin (4), the front side of spacer pin (4) lateral surface is pegged graft and is used for controlling hand power ring (5) that spacer pin (4) removed, shell (1) left side inner wall all offers with the front side of right side inner wall and is used for spacing groove (6), the inside front side of shell (1) is provided with adjusting device (7) that are used for the inside and outside atmospheric pressure balance of automatically regulated freezer.

2. The automatic air pressure balancing device for the refrigeration house according to claim 1, wherein: adjusting device (7) includes baffle (701), the equal fixedly connected with sliding block (702) of the left and right sides face of baffle (701), the middle part of sliding block (702) lateral surface is pegged graft and is had dead lever (703), the outer end of dead lever (703) and the inner wall fixed connection of shell (1), return spring (704) has been cup jointed to the surface of dead lever (703), the inner wall of baffle (701) rotates and is connected with transfer line (705), spacing rod (706) has been pegged graft to the outside of transfer line (705) lateral surface, the surface of spacing rod (706) is provided with rotor plate (707), the outside fixedly connected with hinge (708) at rotor plate (707) back, the lateral surface of hinge (708) and the inner wall fixed connection of shell (1), logical groove (709) has been seted up to the inner wall of rotor plate (707), logical groove (709) and spacing rod (706) sliding connection, the inboard fixedly connected with stopper (710) of rotor plate (707) left and right sides face.

3. The automatic air pressure balancing device for the refrigeration house according to claim 2, wherein: the back of the rotating plate (707) is provided with a square groove, and the inner diameter of the square groove is matched with the outer diameter of the transmission rod (705).

4. The automatic air pressure balancing device for the refrigeration house according to claim 2, wherein: the number of the return springs (704) is four, and the four sets of return springs (704) are made of silicon-manganese spring steel.

5. The automatic air pressure balancing device for the refrigeration house according to claim 1, wherein: the outer side of the front surface of the shell (1) is provided with a limiting hole, and the inner diameter of the limiting hole is matched with the outer diameter of the limiting pin (4).

6. The automatic air pressure balancing device for the refrigeration house according to claim 2, wherein: the inner side of the outer surface of the limiting block (710) is sleeved with a fixing ring, and the inner side surface of the fixing ring is fixedly connected with the outer side surface of the rotating plate (707).

7. The automatic air pressure balancing device for the refrigeration house according to claim 1 or 2, wherein: the middle parts of the inner wall of the left side and the inner wall of the right side of the shell (1) are provided with elongated slots, and the inner diameters of the elongated slots are matched with the outer diameter of the sliding block (702).

8. The automatic air pressure balancing device for the refrigeration house according to claim 1 or 2, wherein: the manufacturing materials of the rotating rod (2), the limiting plate (3), the limiting pin (4), the fixing rod (703), the limiting rod (706) and the limiting block (710) are all made of stainless steel.

9. The automatic air pressure balancing device for the refrigeration house according to claim 1 or 2, wherein: the number of the limiting grooves (6) and the limiting blocks (710) is four, and the limiting grooves (6) are matched with the outer diameters of the limiting blocks (710).

10. The automatic air pressure balancing device for the refrigeration house according to claim 1, wherein: the outer side surface of the shell (1) is provided with a sealing layer, and the thickness of the sealing layer is set to be one centimeter to two centimeters.