CN217876680U

CN217876680U - Air pressure balancing device of refrigerator

Info

Publication number: CN217876680U
Application number: CN202221570343.8U
Authority: CN
Inventors: 仝云霄; 余健; 江赤波; 董杰鸿; 袁建; 吴杰
Original assignee: Jiangsu Xingxing Refrigeration Technology Co Ltd
Current assignee: Jiangsu Xingxing Refrigeration Technology Co Ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-11-22
Anticipated expiration: 2032-06-22

Abstract

The utility model relates to a freezer air pressure balancing device, an outer ventilation mechanism and an inner ventilation mechanism are connected and installed together by adopting a hose; the side wall of the outer cover body is symmetrically provided with outer clamping grooves in a through manner; an outer butt joint is arranged inside the outer cover body in an access way; the side wall of the external butt joint is provided with an external buckle; the outer buckle is clamped in the outer clamping groove; the outer end face of the outer butt joint is provided with an outer filtering hole; the outer end faces of the outer butt joints are provided with air guide covers in a gluing mode; the air guide hood is covered outside the outer filtering hole; the side wall of the air guide cover is uniformly provided with air guide holes at intervals in a through way; the outer end surface of the air guide cover is welded with a limiting rod; the sealing cover is covered and installed outside the air guide cover; the end surface of the sealing cover is provided with a circular hole in a penetrating way; the round hole is sleeved on the limiting rod; the utility model discloses can provide a small in size occupy that installation space is few, the atmospheric pressure balance is effectual and sealing performance is good cabinet body air conditioning is difficult for the freezer atmospheric pressure balancing unit who reveals.

Description

Air pressure balancing device of refrigerator

Technical Field

The utility model belongs to the technical field of the freezer accessory is relevant, concretely relates to freezer pressure balance device.

Background

The refrigerator has the advantages that the pressure in the refrigerator body is lower than the external air pressure in the refrigeration environment, so that the door body is sucked, the door body is not easy to open, and the ventilation structure can balance the internal pressure and the external pressure of the refrigerator, so that the door body of the refrigerator can be opened conveniently; the ventilation structure in the existing industry has a large volume, so that a larger installation space is required to be occupied, and the production cost is higher; when equipment in the industry balances pressure, the inside of the refrigerator body is always kept to be communicated with the outside, so that cold air in the refrigerator is leaked, and the refrigerating effect is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a small in size occupies that installation space is few, atmospheric pressure balance is effectual and sealing performance is good cabinet body air conditioning is difficult for the freezer atmospheric pressure balancing unit who reveals.

In order to achieve the above purpose, the utility model provides a following technical scheme: an air pressure balancing device of a refrigerator comprises an outer ventilation mechanism and an inner ventilation mechanism; the outer ventilation mechanism and the inner ventilation mechanism are connected and installed together by adopting a hose; the outer ventilation mechanism comprises an outer cover body; the side wall of the outer cover body is symmetrically provided with outer clamping grooves in a penetrating way; an outer butt joint is arranged inside the outer cover body in an access manner; the side wall of the outer butt joint is provided with an outer buckle; the outer clamping buckle is clamped in the outer clamping groove; the outer end face of the outer butt joint is provided with an outer filtering hole; the outer end surfaces of the outer butt joints are glued with air guide covers; the air guide cover is covered outside the outer filtering hole; the side wall of the air guide cover is uniformly provided with air guide holes at intervals in a through manner; the outer end face of the air guide hood is provided with a limiting rod in a welded mode; a sealing cover is covered and arranged outside the air guide cover; a circular hole is formed in the end face of the sealing cover in a penetrating mode; the round hole is sleeved on the limiting rod; the end surface of the sealing cover is provided with a sealing ring in a gluing way; the end surface of the limiting rod is provided with a limiting table in a welded mode; a spring is sleeved on the limiting rod; the spring is positioned between the sealing cover and the limiting table; the end surface of the outer cover body is communicated with and provided with an outer butt joint pipe; the inner venting mechanism comprises an inner sleeve; the lower end of the inner sleeve is provided with an inner butt joint; the end surface of the inner sleeve is provided with an inner sleeve head; inner filtering holes are formed in the end faces of the inner butt joints at intervals in a penetrating mode; the side wall of the inner sleeve and the side wall of the inner sleeve head are symmetrically communicated and processed with inner clamping grooves; the side wall of the inner sleeve and the side wall of the inner butt joint are symmetrically provided with inner buckles; the end face of the inner sleeve head is provided with an inner butt joint pipe.

As a further improvement of the utility model, the embedding of the outer ventilating mechanism is installed on the outer side wall of the front end of the refrigerator door body.

As a further improvement of the utility model, the inner ventilation mechanism is embedded in the lower bottom surface inside the refrigerator door body.

As a further improvement of the present invention, the hose is butt-jointed to the outer butt-joint pipe and the inner butt-joint pipe.

As a further improvement, the outer side wall of the connecting pipe and the inner side wall of the connecting pipe are all provided with anti-skid edges.

Compared with the prior art, the beneficial effects of the utility model are that: according to the technical scheme, the outer ventilation mechanism, the inner ventilation mechanism and the hose are connected, so that the gas inside the cabinet body can be exchanged with the gas outside the cabinet body, the balance of the internal and external air pressure of the cabinet body is kept, and the door body can be opened easily; this technical scheme is provided with the air guide cover on the outer mechanism of ventilating, the air guide hole, the gag lever post, the sealed cowling, spring and sealing washer, promote the sealed cowling through the spring, make the sealed cowling cover establish on the air guide cover, and under the cooperation of sealing washer, can realize the sealed of external mechanism of ventilating, thereby avoid the air conditioning of the internal portion of cabinet to reveal, through outwards promoting the sealed cowling, break away from the air guide cover with the sealed cowling, make the air can get into the cabinet body through the air guide hole, thereby realize the internal portion of cabinet and the atmospheric pressure balance of the external portion of cabinet, and then be convenient for opening of cabinet door.

Drawings

Fig. 1 is an assembly diagram of the present invention.

Fig. 2 is a schematic diagram of the overall enlarged structure of the present invention.

Fig. 3 is an enlarged structural diagram of the external ventilation mechanism of the present invention.

Fig. 4 is an enlarged structural diagram of the internal ventilation mechanism of the present invention.

In the figure: 1. an outer venting mechanism; 1001. an outer cover body; 1002. an outer clamping groove; 1003. an outer pair of joints; 1004. an outer buckle; 1005. an outer filtering aperture; 1006. a gas guide hood; 1007. an air vent; 1008. a limiting rod; 1009. a sealing cover; 1010. a circular hole; 1011. a seal ring; 1012. a limiting table; 1013. a spring; 1014. an outer butt joint pipe; 2. an internal venting mechanism; 201. an inner sleeve; 202. an inner abutment; 203. an inner sleeve head; 204. an inner filtering hole; 205. an inner clamping groove; 206. an inner buckle; 207. an inner butt joint pipe; 3. a hose.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: an air pressure balancing device of a refrigerator comprises an outer ventilation mechanism 1 and an inner ventilation mechanism 2; the outer ventilation mechanism 1 and the inner ventilation mechanism 2 are connected and installed together by adopting a hose 3; the external ventilation mechanism 1 includes an external cover 1001; the side wall of the outer cover body 1001 is symmetrically provided with outer clamping grooves 1002 in a penetrating way; an outer butt joint 1003 is arranged inside the outer cover body 1001 in an access manner; the side wall of the outer butt joint 1003 is provided with an outer buckle 1004; the outer buckle 1004 is clamped in the outer clamping groove 1002; an outer end face of the outer butt joint 1003 is provided with an outer filtering hole 1005; an air guide cover 1006 is mounted on the outer end face of the outer butt joint 1003 in a gluing mode; the air guide cover 1006 covers the outer part of the outer filtering hole 1005; air guide holes 1007 are uniformly arranged on the side wall of the air guide cover 1006 at intervals in a penetrating manner; a limiting rod 1008 is welded on the outer end face of the air guide cover 1006; a sealing cover 1009 is covered and mounted outside the air guide cover 1006; a circular hole 1010 is formed in the end face of the seal cover 1009 in a penetrating manner; the round hole 1010 is sleeved on the limiting rod 1008; the end face of the sealing cover 1009 is provided with a sealing ring 1011 in a gluing way; the end surface of the limiting rod 1008 is welded with a limiting table 1012; a spring 1013 is sleeved on the limiting rod 1008; the spring 1013 is located between the sealing cap 1009 and the stop 1012; an outer adapter 1014 is mounted on the end surface of the outer cover 1001; the inner vent mechanism 2 comprises an inner sleeve 201; the lower end of the inner sleeve 201 is provided with an inner butt joint 202; the end surface of the inner sleeve 201 is provided with an inner sleeve head 203; inner filtering holes 204 are formed in the end faces of the inner butt joints 202 at intervals in a penetrating manner; the side wall of the inner sleeve 201 and the side wall of the inner sleeve head 203 are symmetrically provided with inner clamping grooves 205 in a penetrating manner; the side wall of the inner sleeve 201 and the side wall of the inner butt joint 202 are symmetrically provided with inner buckles 206; the end surface of the inner sleeve head 203 is provided with an inner butt joint pipe 207; the outer ventilation mechanism 1 is embedded in the outer side wall of the front end of the refrigerator door body; the inner ventilation mechanism 2 is embedded in the lower bottom surface of the refrigerator door body; the hose 3 is installed between the outer butt joint pipe 1014 and the inner butt joint pipe 207 in a butt joint mode; the side walls of the outer butt joint pipe 1014 and the inner butt joint pipe 207 are both provided with anti-slip ribs.

The working principle is as follows: this equipment fixing back, under the normality, because the elastic tension of spring 1013, make the sealed cowling 1009 cover establish in the gas guide cover 1006, sealing washer 1011 laminates in the terminal surface of outer butt joint 1003 simultaneously, whole equipment is in encapsulated situation like this, the internal gas of cabinet can not leak out, when the cabinet door is opened to needs, at first outwards stimulate sealed cowling 1009, take away sealed cowling 1009 from gas guide cover 1006, at this moment, the external gas of cabinet can enter into the internal portion of cabinet through gas guide hole 1007, make the internal back pressure supplement of cabinet unanimous, and then the cabinet door of opening that can relax.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a freezer atmospheric pressure balancing unit which characterized in that: comprises an outer ventilation mechanism (1) and an inner ventilation mechanism (2); the outer ventilation mechanism (1) and the inner ventilation mechanism (2) are connected and installed together by adopting a hose (3); the outer ventilation mechanism (1) comprises an outer cover body (1001); the side wall of the outer cover body (1001) is symmetrically provided with outer clamping grooves (1002) in a penetrating way; an outer butt joint (1003) is arranged in the outer cover body (1001) in a penetrating mode; an outer buckle (1004) is machined on the side wall of the outer butt joint (1003); the outer buckle (1004) is clamped in the outer clamping groove (1002); an outer filtering hole (1005) is formed in the outer end face of the outer butt joint (1003); an air guide cover (1006) is mounted on the outer end face of the outer butt joint (1003) in a gluing mode; the air guide cover (1006) is covered outside the outer filtering hole (1005); air guide holes (1007) are uniformly arranged on the side wall of the air guide cover (1006) at intervals in a penetrating way; the outer end face of the air guide cover (1006) is welded with a limiting rod (1008); a sealing cover (1009) is covered and installed outside the air guide cover (1006); a round hole (1010) is formed in the end face of the sealing cover (1009) in a penetrating mode; the round hole (1010) is sleeved on the limiting rod (1008); a sealing ring (1011) is mounted on the end face of the sealing cover (1009) in a gluing mode; the end face of the limiting rod (1008) is provided with a limiting table (1012) in a welded mode; a spring (1013) is sleeved on the limiting rod (1008); the spring (1013) is positioned between the sealing cover (1009) and the limit table (1012); an outer butt joint pipe (1014) is communicated and installed on the end face of the outer cover body (1001); the inner vent mechanism (2) comprises an inner sleeve (201); the lower end of the inner sleeve (201) is provided with an inner butt joint (202) in a leading-in mode; the end surface of the inner sleeve (201) is provided with an inner sleeve head (203) in a leading way; inner filtering holes (204) are formed in the end faces of the inner butt joints (202) at intervals in a penetrating manner; inner clamping grooves (205) are symmetrically formed in a penetrating manner on the side wall of the inner sleeve (201) and the side wall of the inner sleeve head (203); the side wall of the inner sleeve (201) and the side wall of the inner butt joint (202) are symmetrically provided with inner buckles (206); the end surface of the inner sleeve head (203) is provided with an inner butt joint pipe (207) in a leading-in mode.

2. The air pressure balancing device of the refrigerator as claimed in claim 1, wherein: the outer ventilation mechanism (1) is embedded in the outer side wall of the front end of the refrigerator door body.

3. The air pressure balancing device of the refrigerator as claimed in claim 1, wherein: the inner ventilation mechanism (2) is embedded in the lower bottom surface inside the refrigerator door body.

4. The air pressure balancing device of the refrigerator as claimed in claim 1, wherein: the hose (3) is installed between the outer butt joint pipe (1014) and the inner butt joint pipe (207) in a butt joint mode.

5. The air pressure balancing device of the refrigerator as claimed in claim 1, wherein: the side walls of the outer butt joint pipe (1014) and the inner butt joint pipe (207) are provided with anti-skid ribs.