CN210320530U

CN210320530U - Sealed rubber group line and air conditioner

Info

Publication number: CN210320530U
Application number: CN201921062653.7U
Authority: CN
Inventors: 孙臣见; 董国龙
Original assignee: Ningbo Aux Electric Co Ltd
Current assignee: Ningbo Aux Electric Co Ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-04-14
Anticipated expiration: 2029-07-09

Abstract

The utility model provides a sealed rubber group line, including first sealing member and second sealing member, the inside hollow chamber that is provided with of first sealing member, hollow intracavity is provided with first sealing, be provided with the second sealing on the second sealing member, the second sealing with first sealing cooperation is used for first sealing with the sealed of second sealing member cup joints. Compared with the prior art, the sealed rubber group wire realizes double sealing action through the second sealing part and the first sealing part, and the sealing effect is better; the second sealing member is integrated into one piece, need not artifical threading, has improved production efficiency, avoids traditional point to glue technology, reduces the risk that combustible coolant revealed.

Description

Sealed rubber group line and air conditioner

Technical Field

The utility model relates to an air conditioner technical field particularly, relates to a sealed rubber component and air conditioner.

Background

The air conditioner is as the indispensable domestic appliance of modern, electric elements in the air conditioner can produce electric spark or high temperature at normal operating in-process or under the condition that breaks down, can have the ability of lighting, ac contactor in the air conditioner is through opening and stop control motor and frequent start, ac contactor has the phenomenon of striking sparks, can ignite the flammable refrigerant, thereby bring the potential safety hazard, consequently, need to carry out sealing process to ac contactor, however, to ac contactor's sealed only be single-deck sealing process among the prior art, because the less assembly degree of difficulty of through wires hole increases during the assembly, and need the point to glue fixed, production efficiency is low, point is glued fixed and is produced the gap along with assembly extrusion deformation easily, lead to the risk of flammable refrigerant leakage, cause the explosion easily.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem ac contactor among the air conditioner needs sealed the processing, but most of them are the sealed processing of individual layer among the prior art, and the less assembly degree of difficulty of through wires hole is big, and need the point to glue fixedly, but the point is glued fixedly and is produced the gap along with assembly extrusion deformation easily, causes combustible refrigerant to leak, makes ac contactor and combustible refrigerant contact, finally leads to the air conditioner explosion, produces danger easily.

In order to solve the problem, the utility model provides a sealed rubber group line, including first sealing member and second sealing member, the inside hollow chamber that is provided with of first sealing member, hollow intracavity is provided with first sealing, be provided with the second sealing on the second sealing member, the second sealing with first sealing cooperation is used for first sealing with the sealed of second sealing cup joints.

Optionally, the second seal comprises an insert and a connecting wire, the connecting wire being disposed through the insert.

Thereby, further disclosing the concrete structure of the connection kit, the connecting wire is arranged on the insert in a penetrating way.

Optionally, the second sealing portion is disposed on the insert and on a contact surface of the insert with the hollow cavity.

Therefore, the second sealing part is further limited to be at the specific position of the insert, and the better sealing effect is achieved.

Optionally, the first sealing portion includes a first upper end portion disposed at the hollow cavity upper end and a first lower end portion disposed at the hollow cavity lower end.

Thereby, the structure of the first seal portion is further defined.

Optionally, the shape of the first upper end portion matches the shape of the upper end of the insert.

Thereby, the first upper end portion is further defined to cooperate with an upper end of the second sealing portion to effect a sealed connection.

Optionally, the shape of the first lower end portion matches the shape of the lower end of the insert.

Thereby, the first lower end portion is further defined to cooperate with a lower end of the second sealing portion to effect a sealed connection.

Optionally, the lower end of the insert is of an arc-shaped structure.

Thereby, the specific structure of the lower end of the insert is further defined.

Optionally, the second sealing portion includes a sealing groove disposed at upper and lower ends of the insert and a sealing step extending outward along an edge of the sealing groove.

Therefore, a double sealing function can be achieved, after the second sealing element and the first sealing element are assembled in place, the gap at the joint of the sealing step and the first sealing element is 0, and combustible refrigerant cannot enter from the gap and leak; even if the sealing step generates a gap due to deformation, combustible refrigerant enters the sealing groove and is completely blocked, and the combustible refrigerant cannot pass through the sealing groove to the outside.

Optionally, the insert and the connecting wire are of an integrally formed structure.

Therefore, the production efficiency of the second sealing element can be improved, the assembly difficulty of the insert and the connecting line is reduced, the traditional dispensing fixation can be avoided, and the risk of leakage of combustible refrigerants is reduced.

Optionally, the range of the width B of the sealing groove is: b is more than or equal to 5mm and less than or equal to 10 mm.

Therefore, the range of the width B of the sealing groove is further limited, the sealing effect can be ensured, and the assembly requirement can be met.

Optionally, the range of the height difference C between the sealing groove and the sealing step is as follows: c is more than or equal to 2.5mm and less than or equal to 5 mm.

Therefore, the assembly requirement is met while the sealing effect is ensured, when the overlapping sealing section of the sealing groove and the sealing step is too short or too small in depth, the second sealing element is easy to deform under the action of extrusion force to form a gap with the sealing groove, so that combustible refrigerant can leak from the gap, and the sealing effect is poor; when the sealing groove and the sealing step overlap with each other, the overlong sealing section can cause the interference assembly of the second sealing element and the first sealing element during assembly, and the difficulty of assembly or disassembly is increased.

Optionally, the range of the line distance a of the connecting line is: a is more than or equal to 4.0mm and less than or equal to 7.0 mm.

Therefore, the size of the line distance A between the connecting lines is further limited, and the wiring can be performed according to the size requirement of the line distance A.

Optionally, the first seal has a hardness less than a hardness of the insert.

Thereby, it is possible to ensure that the first seal and the insert fit clearance is 0.

Optionally, the hardness D1 of the insert is in the range of 40 ≦ D1 ≦ 55.

Therefore, the gap caused by the overlarge difference of the assembly variables of the first sealing element and the second sealing element can be avoided.

Optionally, the hardness D2 of the first seal member is in the range of 35 ≦ D2 ≦ 45.

Therefore, the assembling clearance is ensured, and the assembling and sealing effects are ensured.

The utility model also provides an air conditioner, including the aforesaid sealed rubber group line.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the double sealing function is realized through the sealing groove and the sealing step, so that the sealing effect is better;

2. the second sealing member by the connecting wire with inserts integrated into one piece need not artifical threading, has improved production efficiency, avoids transmission point to glue technology, reduces the risk that combustible coolant leaked.

Drawings

FIG. 1 is a schematic structural view of a sealed rubber wire assembly according to the present invention;

FIG. 2 is a split view of a sealed rubber wire assembly according to the present invention;

FIG. 3 is a side view of a sealed rubber assembly cord of the present invention;

fig. 4 is a cross-sectional view of the insert of fig. 1.

The reference numerals denote:

1-a first seal; 2-a second seal; 21-an insert; 211-sealing groove; 212-sealing step; 22-connecting line.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. The description of the term "some implementations" means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. The vertical plane and the horizontal plane related in the embodiment are reference datum planes, the vertical plane is vertical to the ground, and the horizontal plane is parallel to the ground. Throughout this specification, the schematic representations of the terms used above do not necessarily refer to the same implementation or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the prior art, the outdoor unit of the air conditioner needs to be additionally provided with a sealing device and a sealing rubber component wire due to the explosion-proof requirement of a flammable refrigerant, however, the existing rubber component wire needs to be small in a wire through hole and large in assembly difficulty due to the sealing requirement, and needs to be fixed by dispensing. The special glue dispensing needs half a day for shaping, and the production efficiency is extremely low. And the adhesive dispensing is fixed, a gap is generated along with the extrusion deformation of the assembly, and the combustible refrigerant has the risk of leakage.

The utility model provides a sealed rubber group line, including first sealing member and second sealing member, the inside hollow chamber that is provided with of first sealing member, hollow intracavity is provided with first sealing, be provided with the second sealing on the second sealing member, the second sealing with the cooperation of first sealing is used for first sealing with the sealed cup joint of second sealing member.

The following combines accompanying drawings 1-4, the utility model provides a sealed rubber group line, including first sealing member 1 and second sealing member 2, be provided with hollow chamber on the first sealing member 1, hollow chamber is provided with first sealing, is provided with the second sealing on the second sealing member 2, and second sealing member 2 passes hollow chamber and first sealing member 1 sealing connection. The first sealing portion comprises a first upper end portion and a first lower end portion, the first upper end portion is arranged at the upper end of the hollow cavity, and the first lower end portion is arranged at the lower end of the hollow cavity. The first upper end part is matched with the upper end of the insert in shape so as to realize sealing connection; the first lower end portion matches the shape of the lower end of the insert to achieve a sealed connection.

Referring to fig. 2, the first sealing member 1 is assembled with the second sealing member 2 according to the arrow direction in fig. 2 until the outer side planes completely coincide, i.e. the installation of the first sealing member 1 and the second sealing member 2 is completed. The shape of the hollow cavity matches the shape of the second sealing element 2, and the hollow cavity in this embodiment is a combination of a quadrilateral shape and an arc shape. The second sealing portion includes a sealing groove 211 and a sealing step 212, in some embodiments, the sealing groove 211 is disposed at upper and lower ends of the second sealing member 2, and the sealing step 212 is disposed along a groove in the sealing groove 211 and extends to left and right sides, respectively.

The sealing groove 211 and the sealing step 212 cooperate with the first sealing portion of the first sealing member 1 to seal the first sealing member 1 and the second sealing member 2, thereby performing a double sealing function.

After the second sealing element 2 and the first sealing element 1 are assembled, the contact gap between the sealing step 212 and the first sealing element 1 is 0, combustible refrigerant cannot enter and leak from the contact gap, the sealing step 212 plays a role in first layer sealing, and the sealing groove 211 plays a role in second layer sealing. The assembly gap between the two components of the sealing groove 211 is 0, and the sealing groove 211 is matched with a straight section with a certain length. Even if the sealing step 212 is deformed to generate a gap, the combustible refrigerant is completely blocked from entering the sealing groove 211 and cannot pass through the sealing groove 211 to the outside. Thereby achieving a double seal. As shown in fig. 3, the width B of the sealing groove 211 is 5-10, the width of the groove in the horizontal sealing groove 211 is 2.5-5, and the height difference C between the sealing groove 211 and the sealing step 212 is 2.5-5. In the present embodiment, the width B of the seal groove 211 is 7, and the height difference C between the seal groove 211 and the seal step 212 is 2.5. The dimensions of the seal groove 211 and the seal step 212 within this range ensure a sealing effect and meet assembly requirements. If the size is not within the range, the overlapped sealing section of the second sealing element 2 and the first sealing element 1 is too short or too small in depth, the first sealing element 1 is easy to deform under the action of extrusion force to generate a gap with the sealing groove 211, so that combustible refrigerant can leak from the gap, the sealing effect of the sealing groove 211 is invalid, and the sealing effect is poor; when the overlapped sealing section of the second sealing element 2 and the first sealing element 1 is too long, two parts are assembled, the stroke is too long, the interference is too large, and the assembling and disassembling difficulty is very high.

Second sealing member 2 includes inserts 21 and connecting wire 22, and connecting wire 22 runs through inserts 21 and sets up to inserts 21 and connecting wire 22 are the integrated into one piece structure, need not artifical threading, and the material resources of using manpower sparingly improve production efficiency, and avoided among the prior art, the less assembly degree of difficulty of through wires hole is big, and need the point to glue fixedly. The special glue dispensing needs half a day for shaping, and the production efficiency is extremely low. And the traditional glue dispensing fixation has the risk of generating leakage of gap combustible refrigerant along with the extrusion deformation of assembly. In some embodiments, the number of the connecting lines 22 is four, and the connecting lines are arranged in a column from top to bottom, and the line distance a between the connecting lines 22 is determined according to the diameter of the connecting lines 22, and the line distance a is the diameter of the connecting lines 22. The line distance A is usually in the range of 4.0 mm. ltoreq.A. ltoreq.7.0 mm, and the line distance A of the connection lines 22 in this embodiment is 4 mm. In some embodiments, the connecting lines 22 are two columns, each column is provided with 4 connecting lines 22, and the specific number of the connecting lines 22 is appropriately increased or decreased according to actual requirements.

The insert 21 and the first sealing element 1 are made of PVC materials, the hardness of the first sealing element 1 is lower than that of the insert 21, and the hardness is the same as that of a conventional wiring sheath material. The hardness D1 of the insert 21 material is in the range of 40-55D 1, and the hardness D2 of the first sealing element 1 is in the range of 35-45D 2, and in the embodiment, the hardness of the insert 21 is 55, and the hardness of the first sealing element 1 is 40, so that the hardness of the insert 21 is ensured to be greater than that of the first sealing element 1, the phenomenon that the first sealing element 1 and the second sealing element 2 form too large variable difference during assembly to generate a gap can be effectively avoided, the first sealing element 1 is ensured to be matched and matched with the second sealing element 2, and the assembly gap between the first sealing element 1 and the second sealing element is always kept 0.

Adopt first sealing member 1 and the sealed cup joint of second sealing member 2 among this embodiment, the sealed effect is guaranteed to dual seal, assembles simply that the leakproofness is good. The second sealing element 2 adopts an integrated forming process to replace manual threading and glue dispensing, so that the efficiency is high, the problem of refrigerant leakage generated after the connecting wire 22 is degummed is avoided, and the sealing performance is ensured.

The utility model discloses still provide another kind of embodiment, sealed rubber group line includes first sealing member 1 and connects the external member, and second sealing member 2 includes inserts 21 and connecting wire 22, and inserts 21 and connecting wire 22 are the integrated into one piece structure. In the present embodiment, the cross section of the insert 21 is different from the above embodiment, and in the present embodiment, the middle of the insert 21 has a quadrilateral structure, and the upper and lower ends of the quadrilateral structure have arc structures, respectively. The first sealing element 1 is provided with a hollow cavity, and the shape of the hollow cavity is matched with that of the insert 21. The upper end and the lower end of the insert 21 are respectively provided with a second sealing part, the upper end and the lower end of the hollow cavity are provided with a first sealing part, and the second sealing parts at the upper end and the lower end of the insert 21 and the first sealing parts at the upper end and the lower end of the hollow cavity are mutually matched to realize a sealing effect when the insert is installed.

The second sealing portion includes a sealing groove 211 and sealing steps 212, the sealing groove 211 is disposed at upper and lower ends of the insert 21, and the sealing steps 212 are respectively disposed at positions where the sealing groove 211 extends outward. The sealing groove 211 and the sealing step 212 cooperate with the first sealing portion to enable a double-layered first sealing portion. After the second sealing element 2 and the first sealing element 1 are assembled, the contact gap between the sealing step 212 and the first sealing element 1 is 0, combustible refrigerant cannot enter and leak from the contact gap, the sealing step 212 plays a role in first layer sealing, and the sealing groove 211 plays a role in second layer sealing. The assembly gap between the two components of the sealing groove 211 is 0, and the sealing groove 211 is matched with a straight section with a certain length. Even if the sealing step 212 is deformed to generate a gap, the combustible refrigerant is completely blocked from entering the sealing groove 211 and cannot pass through the sealing groove 211 to the outside. Thereby achieving a double seal. The width B of the sealing groove 211 is more than or equal to 5 and less than or equal to 10, and the height difference C between the sealing groove 211 and the sealing step 212 is more than or equal to 2.5 and less than or equal to 5. In this embodiment, the width B of the sealing groove 211 is 10, the height difference C between the sealing groove 211 and the sealing step 212 is 5, and the width B of the sealing groove 211 is 2 times of the height difference C, so that the sealing effect can be ensured to be better, and the assembly requirement can be met. The hardness of the first seal 1 is less than the hardness of the material of the insert 21. The hardness of the material of the insert 21 is not more than 55, and the hardness of the first sealing member 1 is not more than 45, in the present embodiment, the hardness of the insert 21 is preferably 50, the hardness of the first sealing member 1 is preferably 40, and the difference between the hardness of the insert 21 and the hardness of the first sealing member 1 is preferably 10, so that the phenomenon that the first sealing member 1 and the second sealing member 2 form an excessive variable difference during assembly to generate a gap can be better avoided, and the first sealing member 1 and the second sealing member 2 are ensured to be matched and matched.

In the present embodiment, the sealing effect between the second seal 2 and the first seal 1 can be improved by changing the shape of the insert 21, the relationship between the hardness of the insert 21 and the hardness of the first seal 1, and the numerical range of the width of the seal groove 211 and the height difference C.

The present invention provides still another embodiment, which provides an air conditioner, comprising the sealed rubber assembly wire mentioned in the above embodiments.

In the embodiment, the air conditioner comprises the sealed rubber group wire, so that the alternating current contactor in the air conditioner has a better sealing effect, the possibility of the contact of the flammable coolant and the alternating current contactor is reduced, and the risk of accidental explosion of the air conditioner is reduced.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.

Claims

1. The utility model provides a sealed rubber group line, characterized in that, includes first sealing member (1) and second sealing member (2), first sealing member (1) inside is provided with hollow chamber, be provided with first sealing portion in the hollow chamber, be provided with second sealing portion on second sealing member (2), second sealing portion with first sealing portion cooperation is used for first sealing member (1) with the sealed cup joint of second sealing member (2).

2. Sealed rubber group wire according to claim 1, characterized in that the second seal (2) comprises an insert (21) and a connection wire (22), the connection wire (22) being arranged through the insert (21).

3. The sealed rubber strand according to claim 2, characterized in that the second seal is provided on the insert and on the contact surface of the insert (21) with the hollow cavity.

4. The sealed rubber strand of claim 3, wherein said first seal comprises a first upper end disposed at said hollow cavity upper end and a first lower end disposed at said hollow cavity lower end.

5. Sealing rubber group wire according to claim 4, characterized in that the shape of the first upper end matches the shape of the upper end of the insert (21).

6. Sealing rubber group wire according to claim 4, characterized in that the shape of the first lower end matches the shape of the lower end of the insert (21).

7. The sealed rubber strand according to claim 6, characterized in that the lower end of the insert (21) is of arcuate configuration.

8. The seal type rubber gang line of claim 5 or 6, wherein the second seal portion comprises a seal groove (211) provided at upper and lower ends of the insert (21) and a seal step (212) extending outward along an edge of the seal groove (211).

9. The sealed rubber strand according to claim 2, characterized in that the insert (21) is of one-piece construction with the connecting wire (22).

10. The sealed rubber gang line of claim 8, wherein the width B of the sealing groove (211) ranges from: b is more than or equal to 5mm and less than or equal to 10 mm.

11. The seal type rubber string according to claim 8, wherein the height difference C between the seal groove (211) and the seal step (212) is in the range of: c is more than or equal to 2.5mm and less than or equal to 5 mm.

12. The sealed rubber group cord according to claim 8, characterized in that the cord distance a of said connection cord (22) ranges from: a is more than or equal to 4.0mm and less than or equal to 7.0 mm.

13. Sealed rubber group wire according to claim 2, characterized in that the hardness of the first seal (1) is lower than the hardness of the insert (21).

14. The sealed rubber cable of claim 13, wherein the insert (21) has a hardness D1 in the range of 40 ≦ D1 ≦ 55.

15. Sealed rubber cable according to claim 13, characterized in that the hardness D2 of the first seal (1) ranges from 35 ≦ D2 ≦ 45.

16. An air conditioner comprising the hermetic rubber assembly line according to any one of claims 1 to 15.