CN218096819U

CN218096819U - A ventilative subassembly for refrigerator-freezer

Info

Publication number: CN218096819U
Application number: CN202222658927.7U
Authority: CN
Inventors: 张建庆; 宫美涛; 徐强
Original assignee: Qingdao Jijiyu Refrigeration Parts Co ltd
Current assignee: Qingdao Jijiyu Refrigeration Parts Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2022-12-20
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a ventilative subassembly for refrigerator-freezer, including valve pipe and return bend, the inside ventilative passageway that is of valve pipe, ventilative passageway top is equipped with the little horn mouth of the big bottom bore of top bore, be equipped with stifled ball in the horn mouth, valve pipe top is equipped with the end cover, a plurality of first gas pockets have been seted up to the end cover roof, the return bend has cup jointed the connection lid near the one end surface rotation of valve pipe. The utility model discloses in, be provided with the valve pipe, the return bend, the end cover, ventilative subassembly is constituteed to the end box, the valve pipe of this ventilative subassembly sets up in the exhaust hole of refrigerator-freezer, the inside dry package that is equipped with of end box, consequently when refrigerator-freezer internal gas pressure is less than external atmospheric pressure, the air can be with the stifled ball jack-up in the valve pipe, make the inside and outside atmospheric pressure balance of refrigerator-freezer, and can absorb the steam in the external air through the end box and the dry package that set up, prevent that steam from condensing in the valve pipe, avoid stifled ball to be frozen, guarantee that this ventilative subassembly can all the time effectual realization is ventilative.

Description

A ventilative subassembly for refrigerator-freezer

Technical Field

The utility model relates to a refrigerator-freezer technical field especially relates to a ventilative subassembly for refrigerator-freezer.

Background

A refrigerator, also called a freezer, is a device for storing articles such as food at a low temperature. When the refrigerator-freezer is inside when refrigerating state, and the cabinet door of refrigerator-freezer is opening and closing the back, the phenomenon is crossed to the atmospheric pressure low excessively in its inside can appear, when opening the cabinet door this moment again, need bigger opening dynamics, consequently, need take a breath in the refrigerator-freezer, and present stage, conventional refrigerator-freezer is ventilative to take a breath is through opening the bleeder vent on the door strip of paper used for sealing, take a breath when realizing refrigerator-freezer refrigeration negative pressure state, but open the bleeder vent on the strip of paper used for sealing, this bleeder vent is normally open state, if the hole is too big, can cause the inside air conditioning outflow of refrigerator-freezer, if the hole undersize, the efficiency of taking a breath is too low, and block up easily.

In order to solve the above problem, utility model with publication number CN205174977U provides a ventilation assembly of refrigerator-freezer, this subassembly includes parts such as ventilative valve, dog and ventilative lid, during the use, after the negative pressure appears in the refrigerator-freezer, external air gets into from the ventilation channel of ventilative valve to jack-up the dog and realize taking a breath, after the end of taking a breath, the inside and outside atmospheric pressure of refrigerator-freezer reaches the balance, the ventilation channel of ventilative valve is blockked up again to the dog under the action of gravity. However, this subassembly also has certain defect, because contain steam in the outside air of refrigerator-freezer, after the air that contains steam gets into from ventilative passageway, steam can condense in ventilative valve, leads to the dog to be frozen very easily, in case the dog is frozen, this ventilative subassembly has just failed, again because ventilative lid is difficult to be handled the dog that freezes with ventilative valve's connected mode inconvenient dismantlement, makes its recovery effect, so the ventilative subassembly of this refrigerator-freezer needs further improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a ventilating component for a refrigerator.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a ventilative subassembly for refrigerator-freezer, includes valve pipe and return bend, the inside ventilative passageway that is of valve pipe, ventilative passageway top is equipped with the bellmouth that the big end bore of top bore is little, be equipped with stifled ball in the bellmouth, valve pipe top is equipped with the end cover, a plurality of first gas pockets have been seted up to the end cover roof, the return bend is close to the one end surface rotation of valve pipe and has cup jointed the connection lid, the return bend is kept away from the one end of connection lid and is fixed with the end box, the end box is kept away from return bend one side and is uncovered design, and the inside dry package that is equipped with of end box.

Furthermore, the ball plug is a metal ball, the outer surface of the metal ball is wrapped by a rubber sleeve, and the ball plug can plug the horn mouth at the top of the ventilation channel under the action of gravity, so that the effect of isolating the air inside and outside the freezer is achieved.

Further, valve pipe top lateral wall is equipped with the external screw thread, the external screw thread rotation of end cover and valve pipe is connected, and the end cover can prevent that stifled ball from droing in the bellmouth, plays the effect of restriction stifled ball, and the first gas pocket on the end cover plays the effect of circulation of air.

Further, the outer side wall of the bottom end of the valve pipe is provided with an external thread, the connecting cover is rotatably connected with the external thread of the valve pipe, and the bent pipe is conveniently communicated with the bottom end of the valve pipe through the connecting cover.

Furthermore, the anti-drop ring is fixed at one end of the elbow in the connecting cover, and the anti-drop ring can prevent the connecting cover from being separated from the elbow when sliding on the elbow.

Further, one side screw thread that the return bend was kept away from to the end box is rotated and is connected with the side cap, a plurality of second gas pockets have been seted up on the side cap, and the side cap can be enveloped the drying in the end box, and the side cap design is detachable construction, is convenient for change the dry package in the end box.

Furthermore, the outer side walls of the connecting cover and the end cover are provided with anti-skidding threads, so that the connecting cover and the end cover are prevented from skidding when being screwed.

The utility model has the advantages that:

the utility model discloses when using, through setting up the valve pipe, the return bend, the end cover, ventilative subassembly is constituteed to the end box, the valve pipe of this ventilative subassembly sets up in the exhaust hole of refrigerator-freezer, the inside dry package that is equipped with of end box, consequently when the internal gas pressure of refrigerator-freezer is less than external atmospheric pressure, the air can be with the stifled ball jack-up in the valve pipe, make the internal and external atmospheric pressure balance of refrigerator-freezer, and can absorb the steam in the external air through the end box and the dry package that set up, prevent that steam from condensing in the valve pipe, avoid stifled ball to be frozen, guarantee that this ventilative subassembly can all the time effectual realization is ventilative.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is an overall view of the present invention installed in a freezer;

FIG. 3 is an enlarged view of the point A of the present invention;

fig. 4 is an enlarged view of the position B of the present invention.

Illustration of the drawings:

1. a valve tube; 2. bending the pipe; 3. a bell mouth; 4. blocking the ball; 5. an end cap; 6. a first air hole; 7. a connecting cover; 8. the anti-drop ring; 9. an end box; 10. a side cover; 11. a second air hole; 12. drying the bag; 13. an ice chest; 14. and (4) exhausting holes.

Detailed Description

As shown in fig. 1-3, relate to a ventilative subassembly for refrigerator-freezer, including valve pipe 1 and return bend 2, the inside ventilative passageway that is of valve pipe 1, ventilative passageway top is equipped with the bellmouth 3 that the big end bore of top bore is little, be equipped with stifled ball 4 in the bellmouth 3, valve pipe 1 top is equipped with end cover 5, a plurality of first gas vents 6 have been seted up to end cover 5 roof, return bend 2 is close to the surface of the one end of valve pipe 1 and rotates to cup joint and connect lid 7, the one end that connecting lid 7 was kept away from to return bend 2 is fixed with end box 9, end box 9 keeps away from return bend 2 one side and is uncovered design, and end box 9 is inside to be equipped with dry package 12. The outer side walls of the connecting cover 7 and the end cover 5 are provided with anti-slip patterns, and the anti-slip patterns are designed to prevent slipping when the connecting cover 7 and the end cover 5 are rotated. The end box 9 is far away from one side screw thread of return bend 2 and is connected with the side cap 10, has seted up a plurality of second gas pockets 11 on the side cap 10, and the side cap 10 can be sealed dry package 12 in the end box 9, and twist off the side cap 10 and can change the dry package 12 in the end box 9.

The ball blocking 4 is a metal ball, the outer surface of the metal ball is wrapped with a rubber sleeve, the ball blocking is made of metal materials, the bell mouth 3 can be blocked by the ball blocking under gravity, and the rubber sleeve on the surface can increase the sealing performance between the ball blocking 4 and the inner wall of the bell mouth 3.

Valve pipe 1 top lateral wall is equipped with the external screw thread, end cover 5 rotates with valve pipe 1's external screw thread to be connected, valve pipe 1 bottom lateral wall is equipped with the external screw thread, connect lid 7 and valve pipe 1's external screw thread rotation to be connected, the one end that return bend 2 is located to connect in the lid 7 is fixed with anticreep ring 8, make and to dismantle between end cover 5 and the valve pipe 1, if dry package 12 uses for a long time and does not change, lead to having steam to condense in horn mouth 3, and freeze stifled ball 4, can unscrew end cover 5, clear up the ice sediment on stifled ball 4 surface, make stifled 4 ball resume the effect again. The valve pipe 1 and the bent pipe 2 are designed to be detachable, so that the valve pipe 1 is convenient to install, one end, far away from the valve pipe 1, of the bent pipe 2 extends out of the bottom of the ice chest 13, and the drying bag 12 in the end box 9 is convenient to replace.

When in use: referring to FIGS. 1 and 3, the valve tube 1 is inserted into the air vent 14 of the ice bin 13, then the top end of the valve tube 1 is screwed with the end cap 5, and the bottom end of the end cap 5 is attached to the bottom wall of the ice bin 13, and then the connecting cover 7 on the elbow 2 is screwed to the bottom end surface of the valve tube 1, and the top end of the connecting cover 7 is attached to the lower surface of the ice bin 13, thereby realizing the installation of the assembly. When 13 inside negative pressures that appear in refrigerator-freezer, external air can follow second gas pocket 11 and get into return bend 2, gets into ventilation channel by return bend 2 again, at last with 4 jack-ups of stifled ball for outside air gets into 13 inside the refrigerator-freezer, and when 13 inside and outside atmospheric pressure of refrigerator-freezer reached the balance, bellmouth 3 can be plugged up again to stifled ball 4 under self gravity, thereby realizes that the intermittent type nature is ventilative.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A ventilative subassembly for refrigerator-freezer which characterized in that: including valve pipe (1) and return bend (2), valve pipe (1) is inside to be ventilative passageway, ventilative passageway top is equipped with horn mouth (3) that the big bottom bore of top bore is little, be equipped with stifled ball (4) in horn mouth (3), valve pipe (1) top is equipped with end cover (5), a plurality of first ventholes (6) have been seted up to end cover (5) roof, return bend (2) are close to one end surface rotation of valve pipe (1) and have cup jointed connection lid (7), the one end that connection lid (7) were kept away from in return bend (2) is fixed with end box (9), end box (9) are kept away from return bend (2) one side and are uncovered design, and end box (9) inside is equipped with dry package (12).

2. The vent assembly of claim 1, wherein: the blocking ball (4) is a metal ball, and the outer surface of the metal ball is wrapped with a rubber sleeve.

3. The vent assembly of claim 1, wherein: the outer side wall of the top end of the valve pipe (1) is provided with an external thread, and the end cover (5) is rotatably connected with the external thread of the valve pipe (1).

4. The vent assembly of claim 1, wherein: the outer side wall of the bottom end of the valve pipe (1) is provided with an external thread, and the connecting cover (7) is rotatably connected with the external thread of the valve pipe (1).

5. The vent assembly of claim 1, wherein: and an anti-drop ring (8) is fixed at one end of the elbow (2) in the connecting cover (7).

6. The vent assembly of claim 1, wherein: one side screw thread that return bend (2) were kept away from in end box (9) is connected with side cap (10), a plurality of second gas pockets (11) have been seted up on side cap (10).

7. An air permeable assembly according to claim 1 for an ice bin, wherein: the outer side walls of the connecting cover (7) and the end cover (5) are provided with anti-skid grains.