CN218625189U - Rubber sheath for protecting small elbow of evaporator and air conditioner - Google Patents

Abstract

The utility model discloses a rubber sheath and air conditioner for protecting little elbow of evaporimeter, locate the sheath body on the little elbow of copper pipe including the cover, the one end of sheath body has inside sunken chamber that holds, follows it is provided with U type ring groove to hold the intracavity edge, it still is provided with the spacing boss fixed with the sheath body to hold the intracavity, the sheath body adopts rubber to make. The utility model provides a rubber sheath and air conditioner for protecting little elbow of evaporimeter, spacing through inside spacing boss, guarantee that the sheath does not loosen and take off, rubber material can play the effect of buffering simultaneously to the little elbow of protection copper pipe is not bumped flatly, avoids air conditioner performance to be influenced and noise abatement generation.

Description

Rubber sheath for protecting small elbow of evaporator and air conditioner

Technical Field

The utility model relates to an air conditioner pipeline sheath technical field, especially a rubber sheath and air conditioner for protecting little elbow of evaporimeter.

Background

The two devices are core components of the air conditioner, and comprise an evaporator and a condenser, wherein the evaporator is used for an indoor unit, the condenser is used for an outdoor unit, the structures of the evaporator and the condenser are composed of copper pipes and fins, wherein the copper pipes need to form a plurality of refrigerant flow paths, the heat exchange efficiency is ensured, the copper pipes are soft and easy to bend due to the material characteristics of the copper, when certain force is applied to the outside, the hollow copper pipes can be sunken, the copper pipes are very easy to be impacted after being extruded by external force, particularly at small elbows, if the copper pipes are in contact with other components, a certain amount of load can be borne in the operation process of the air conditioner to cause the pipeline to be sunken, and therefore the performance and the noise of the whole machine are influenced.

In prior art, the copper pipe only inject in the elbow sheath can, when using for a long time, the elbow sheath can break away from the copper pipe, lead to the protection inefficacy to the copper pipe elbow, and the protecting effect is not good, and the collision appears in the copper pipe elbow and is bumped flat problem.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above disadvantages of the prior art, the present invention provides a rubber sheath for protecting the small elbow of the evaporator and an air conditioner.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a rubber sheath for protecting little elbow of evaporimeter, locates the sheath body on the little elbow of copper pipe including the cover, the one end of sheath body has the inside sunken chamber that holds, follows it is provided with U type ring groove to hold the intracavity edge, it still is provided with the spacing boss fixed with the sheath body to hold the intracavity, the sheath body adopts rubber to make.

As a further improvement of the utility model: and the U-shaped circular groove is sleeved with the containing parts arranged at the flaring parts of the two ends of the small copper pipe elbow.

As a further improvement of the utility model: the sheath body is provided with the inclined plane diapire for the other end that has inside sunken chamber that holds, the inclined plane diapire is to sheath body both sides slope symmetry.

As a further improvement of the utility model: the limiting bosses are in a slope shape and are arranged oppositely.

As a further improvement of the utility model: the sheath body is made of soft rubber.

As a further improvement of the utility model: the sheath body is made of nitrile butadiene rubber, and the Shore A hardness is 68-78.

As a further improvement of the utility model: the limiting boss is in a long plate shape and provided with a fixed end, a flexible structure and a movable end, a folding surface is arranged when the fixed end is connected with the movable end, the flexible structure is arranged on the upper side of the folding surface, and the movable end is connected with the fixed end through the flexible structure, so that the movable end can be rotated towards the inside of the accommodating part by the flexible structure.

As a further improvement of the utility model: the limiting bosses are arranged in a staggered mode.

As a further improvement of the utility model: the limiting boss is made of hard plastic.

An air conditioner comprises a rubber sheath, wherein the rubber sheath is the rubber sheath used for protecting the small elbow of the evaporator.

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

the utility model discloses a rubber sheath for protecting little elbow of evaporimeter not bumped flat, spacing through inside spacing boss, guarantee that the sheath does not loosen and take off, rubber material can play the effect of buffering simultaneously to the little elbow of protection copper pipe is not bumped flat, avoids air conditioner performance to receive the influence and noise abatement generates.

Drawings

Fig. 1 is a front sectional view of the structure of the present invention.

Fig. 2 is a top view of the structure of the present invention.

Fig. 3 is a front sectional view of a structure according to a first embodiment of the present invention.

Fig. 4 is a side sectional view of a structure according to a first embodiment of the present invention.

Fig. 5 is a side sectional view of a second embodiment of the present invention.

Reference numbers in the figures: 1. the sheath body, 2, hold the chamber, 3, U type ring groove, 4, spacing boss, 5, holding portion, 6, inclined plane diapire.

Detailed Description

In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The invention will now be further described with reference to the accompanying drawings, in which: the utility model provides a rubber sheath for protecting little elbow of evaporimeter, locates sheath body 1 on the little elbow of copper pipe including the cover, the one end of sheath body 1 has inside sunken chamber 2 that holds, follows 2 inward flange in chamber that holds is provided with U type ring groove 3, it still is provided with the spacing boss 4 fixed with sheath body 1 in the chamber 2 to hold, sheath body 1 adopts rubber to make.

In the core part of the air conditioner, an evaporator is a key part influencing the performance of the whole machine, and a small elbow is required to be welded at the elbow, so that the integrity of a pipeline is ensured. The evaporator pipelines on the market at present all adopt copper pipes, the copper has excellent heat conductivity in terms of performance, and the copper is cheaper in terms of cost among a plurality of metal materials, and the copper pipes are the best choice for being used as refrigerant flow paths. However, the copper pipe has the defects that the copper pipe is soft and easy to bend, the stress at the bent part is large, when certain force is applied to the outside, the hollow copper pipe can be sunken to form a 'collision and collapse' phenomenon, the sunken copper pipe can form a protruding point inside, and a refrigerant impacts the protruding point for a long time in the high-speed flowing process to reduce the flow rate of the refrigerant and form backflow at the same time, so that the performance of the whole machine is reduced; meanwhile, the protruding points can generate excessive abrasion under the impact of long-time refrigerant flow, the thickness of the inner wall is reduced, leakage is easy to occur, and serious potential safety hazards and quality hazards are caused.

Because the small elbow is arc-shaped and is a hollow cylinder, the inner part of the sheath body 1 is designed into a U-shaped circular groove 3 according to the size of the small elbow. Because the inevitable vibration that can exist of evaporimeter in the operation, the sheath is probably the slippage, consequently at two spacing bosss 4 of the inside middle part design that holds chamber 2 of sheath body 1, under the vibration effect, little elbow can be blockked by spacing boss 4, can not produce relative motion to ensure that the sheath can stably fix on the return bend.

Preferably, the U-shaped circular groove 3 is provided with accommodating parts 5 at the flaring ends of the small copper pipe elbows. The fillet is increased at the opening edge at the two ends of the U-shaped circular groove 3 so that the copper pipe can be clamped into the accommodating cavity 2 more smoothly, and the copper pipe is prevented from being cut by sharp corners.

Preferably, the sheath body 1 is provided with a slope bottom wall 6 relative to the other end of the accommodating cavity 2 with an inward recess, and the slope bottom wall 6 is inclined and symmetrical towards two sides of the sheath body 1.

Preferably, the limiting bosses 4 are in a slope shape, and the limiting bosses 4 are oppositely arranged.

Preferably, the sheath body 1 is made of soft rubber.

Preferably, the sheath body 1 is made of nitrile butadiene rubber, and the Shore A hardness is 68-78.

Preferably, spacing boss 4 is long plate-like, spacing boss 4 is provided with stiff end, flexible structure and expansion end, be equipped with the face of rolling over when stiff end and activity end are joined, flexible structure sets up in the upside of face of rolling over, the expansion end is connected with the stiff end through flexible structure to make the expansion end revolute to holding portion 5 inside with flexible structure.

Preferably, the limit bosses 4 are arranged in a staggered manner.

Preferably, the limiting boss 4 is made of hard plastic.

As another technical solution of the present invention: an air conditioner comprises a rubber sheath, wherein the rubber sheath is the rubber sheath for protecting the small elbow of the evaporator.

The first embodiment is as follows:

the application is a rubber sheath for protecting a small elbow of an evaporator. Mainly for under the evaporimeter operation of air conditioner, embolia the rubber sheath through the little elbow department at the evaporimeter copper pipe to the little elbow of protection copper pipe is not bumped flatly, avoids air conditioner performance to be influenced and noise abatement to generate, and is difficult for droing. To facilitate the description of the technical solution, the specific embodiment is specifically illustrated, and it should be emphasized that the described embodiment is only a part of the present application.

The utility model provides a rubber sheath for protecting little elbow of evaporimeter, includes that the sheath body 1 on the little elbow of copper pipe is located to the cover, the one end of sheath body 1 has inside sunken chamber 2 that holds, follows 2 inward flanges in the chamber that holds are provided with U type circular groove 3, it still is provided with the spacing boss 4 fixed with sheath body 1 in the chamber 2 to hold, sheath body 1 adopts rubber to make. Hold 2 purposes in chamber and make it can embolia copper pipe little elbow department, hold chamber 2 and the little elbow interference fit of copper pipe, the ring channel of U type circular groove 3 is greater than the position that holds 2 both sides of chamber and surround to copper pipe little elbow can be in the preliminary block of U type circular groove 3 department, and does not make the little elbow of copper pipe take place to deform, can protect the little elbow of copper pipe difficult quilt after receiving the external force extrusion simultaneously and bump shrivelled.

And the U-shaped circular groove 3 is sleeved with two end flaring parts of the small copper pipe elbow and provided with accommodating parts 5. The both ends opening edge of U type ring groove 3 increases the fillet so that the copper pipe can more smooth and easy card go into hold 2 in the chamber, prevent that the closed angle from cutting the copper pipe, because the little elbow of copper pipe comprises return bend and straight tube usually, be connected with the straight tube for the convenience return bend, can be in the junction of return bend and straight tube usually, process the mouth of pipe of straight tube into the flaring form, the mouth of pipe diameter of straight tube is greater than the mouth of pipe diameter of return bend, and the both ends opening flaring setting of U type ring groove 3 is in order to hold the orificial flaring of straight tube, can be with the straight tube that has the flaring and rubber sheath's better cooperation like this.

The sheath body 1 is provided with inclined plane diapire 6 for having the other end of inside sunken chamber 2 that holds, inclined plane diapire 6 is to sheath body 1 both sides slope symmetry. When the sheath body 1 protects the small copper pipe elbow, the phenomenon of collision and collapse is mostly the elbow part of the small copper pipe elbow, the relative position of the sheath body 1 is between two inclined plane bottom walls 6, therefore, the rubber thickness between the two inclined plane bottom walls 6 can not be too small, the elbow part of the small copper pipe elbow can be protected, and under the minimum thickness of the phenomenon of collision and collapse, when the inclined angle of the inclined plane bottom wall 6 is changed, the production material inconsistency of the sheath body 1 is reduced, and the protection effect is inconsistent, when the inclined plane central axis of any one inclined plane bottom wall 6 is crossed relative to the inclined plane central axis of the other inclined plane bottom wall 6, the crossed included angle is 90 degrees, the inclined plane symmetrical axis of the two inclined plane bottom walls 6 also passes through the crossed point of the two central axes, therefore, when the crossed included angle is 90 degrees, the radians of the U-shaped circular groove 3 and the accommodating cavity 2 can be 90 degrees at the minimum, and when the crossed is 90 degrees, the sheath body 1 with the inclined plane bottom wall 6 is relative to the square long sheath body 1, the best protection effect of the small copper pipe elbow can be protected, and the maximum production material can be reduced, and the production cost can be saved.

The limiting bosses 4 are in a slope shape, and the limiting bosses 4 are arranged oppositely. Two spacing bosss 4 have been designed in the inside below that holds 2 in the sheath body 1, be slope form, when adorning sheath body 1 on the return bend, the return bend top is at first through one section slope, and receive the resistance, the staff need make the return bend pass through the slope with exerting oneself a little at this moment, fall on holding 2 inside U type circular groove 3 in the chamber, under the vibration, the return bend can be blockked by the inclined plane at the back on the slope, relative motion can not produce, thereby ensure that the sheath can stably fix on the return bend, the rubber sheath repeatedly usable of this kind of structure, only need pull down sheath body 1 from the little elbow of copper pipe.

In the material selection of the whole sheath, because the air conditioner has two modes of refrigeration and heating in the operation process, the pipeline has cold and hot changes, the material of the sheath is made of rubber with strong cold and hot impact resistance, the sheath is ensured not to have any performance change at the temperature of 0-100 ℃, and meanwhile, in order to prevent the bent pipe from being crushed by external force, the sheath has certain elasticity and is not easy to be folded and flattened; the evaporator can be in direct contact with the outside air in the operation process, a plurality of impurities exist in the air, the protective sleeve has the characteristics of water resistance, oil resistance, acid resistance and alkali resistance, and the whole protective sleeve is made of nitrile rubber with the Shore hardness of 73 +/-5 degrees.

Example two:

the utility model provides a rubber sheath for protecting little elbow of evaporimeter, locates sheath body 1 on the little elbow of copper pipe including the cover, the one end of sheath body 1 has inside sunken chamber 2 that holds, follows 2 inward flange in chamber that holds is provided with U type ring groove 3, it still is provided with the spacing boss 4 fixed with sheath body 1 in the chamber 2 to hold, sheath body 1 adopts rubber to make. The purpose of holding chamber 2 is to make it can embolia copper pipe little elbow department, hold chamber 2 and copper pipe little elbow interference fit, the ring channel of U type circular groove 3 is greater than the position that holds 2 both sides of chamber and surround to copper pipe little elbow can be in the preliminary block of U type circular groove 3 department, and does not make copper pipe little elbow take place to deform, can protect copper pipe little elbow difficult quilt after receiving external force extrusion simultaneously and bump flat.

And the U-shaped circular groove 3 is sleeved with two end flaring parts of the small copper pipe elbow and provided with accommodating parts 5. The fillet is increased at the opening edge at the two ends of the U-shaped circular groove 3 so that the copper pipe can be clamped into the accommodating cavity 2 more smoothly, and the copper pipe is prevented from being cut by sharp corners. The both ends opening edge of U type ring groove 3 increases the fillet so that the copper pipe can more smooth and easy card go into hold 2 in the chamber, prevent that the closed angle from cutting the copper pipe, because the little elbow of copper pipe comprises return bend and straight tube usually, be connected with the straight tube for the convenience return bend, can be in the junction of return bend and straight tube usually, process the mouth of pipe of straight tube into the flaring form, the mouth of pipe diameter of straight tube is greater than the mouth of pipe diameter of return bend, and the both ends opening flaring setting of U type ring groove 3 is in order to hold the orificial flaring of straight tube, can be with the straight tube that has the flaring and rubber sheath's better cooperation like this.

The sheath body 1 is provided with inclined plane diapire 6 for the other end that has inside sunken chamber 2 that holds, inclined plane diapire 6 is to sheath body 1 both sides slope symmetry.

Spacing boss 4 is long plate-like, spacing boss 4 is provided with stiff end, flexible structure and expansion end, be equipped with the face of rolling over when stiff end and activity end joint, flexible structure sets up in the upside of face of rolling over, the expansion end is connected with the stiff end through flexible structure to make the expansion end revolute to holding portion 5 inside with flexible structure. In the material selection of the sheath body 1, because the air conditioner has two modes of refrigeration and heating in the operation process, the pipeline has cold and hot changes, the material of the sheath body 1 should be a rubber material with strong cold and hot impact resistance, so that the sheath body 1 is ensured not to have any performance change at 0-100 ℃, and meanwhile, in order to prevent the bent pipe from being shriveled by external force, the sheath body 1 should have certain elasticity and is not easy to collapse; the evaporimeter can be with outside air direct contact at the operation in-process, has many impurities in the air, and sheath body 1 must possess water-fast, resistant oily, acidproof, alkali-proof characteristic, and then the material of body is butadiene acrylonitrile rubber, shore hardness 73 +/-5 to for sheath body 1, spacing boss 4 adopts the stereoplasm plastic to make, and under the vibration, the return bend can be by the blockking of inboard spacing boss 4, and the return bend can not follow the interior roll-off of sheath body 1. Use the rubber sheath of this kind of structure to be disposable consumptive material, two spacing boss 4 have been designed in the inside below that holds chamber 2 of sheath body 1, be the rectangular plate form, spacing boss 4 dislocation set, when putting sheath body 1 on the return bend, the return bend top is at first close to the spacing boss 4 that holds chamber 2 open position through the contact, the return bend promotes the expansion end in the outside, the expansion end is with the inside upset of flexible structure to holding portion 5, and the power that receives in the expansion end in the outside gets into in U type ring groove 3 after the inside spacing boss 4 application of force promotion of inboard, the return bend promotes two expansion end upsets, fall in the U type ring groove 3 that holds chamber 2 inside, under the vibration, the return bend can be blockked by inboard spacing boss 4, because spacing boss 4's structural constraint, can not produce relative motion, thereby ensure that the sheath can stably fix on the return bend, when the return bend gets into the U type ring groove 3 that holds chamber 2 inside, can not take out the rubber sheath for secondary use, need treat that whole rubber sheath reaches the life and change when deviating from naturally.

The utility model provides an air conditioner that contains rubber sheath that is used for protecting little elbow of evaporimeter, protects through using rubber sheath on the little elbow of evaporimeter copper pipe at the air conditioner, prevents that hollow copper pipe from sunken forming "bumping flat" phenomenon, guarantees that the refrigerant velocity of flow is stable, stabilizes the performance of complete machine, avoids taking place to leak and causes serious potential safety hazard and quality hidden danger.

In conclusion, after the ordinary skilled in the art reads the document of the present invention, according to the present invention, the technical solution and technical concept of the present invention do not need creative mental labor to make other various corresponding transformation schemes, which all belong to the protection scope of the present invention.

Claims (10)

1. The utility model provides a rubber sheath for protecting little elbow of evaporimeter, locates the sheath body on the little elbow of copper pipe including the cover, its characterized in that, the one end of sheath body has the inside sunken chamber that holds, follows it is provided with U type circular groove to hold the intracavity edge, it still is provided with the spacing boss fixed with the sheath body to hold the intracavity, the sheath body adopts rubber to make.

2. The rubber sheath for protecting the small elbow of the evaporator as claimed in claim 1, wherein the U-shaped circular groove is provided with accommodating portions at the two ends of the small elbow of the copper pipe.

3. The rubber sheath for protecting the small elbow of the evaporator according to claim 2, characterized in that the sheath body is provided with a beveled bottom wall relative to the other end with the inward recessed accommodating cavity, and the beveled bottom wall is inclined symmetrically towards two sides of the sheath body.

4. The rubber sheath for protecting the small elbow of the evaporator as recited in claim 3, wherein the limiting bosses are in a slope shape and are oppositely arranged.

5. The rubber sheath for protecting the small elbow of the evaporator as recited in claim 4, wherein the sheath body is made of soft rubber.

6. The rubber sheath for protecting the small elbow of the evaporator according to claim 5, wherein the sheath body is made of nitrile butadiene rubber, and the Shore A hardness is 68-78.

7. The rubber sheath for protecting the small elbow of the evaporator as claimed in claim 3, wherein the limiting boss is in the shape of a long plate, the limiting boss is provided with a fixed end, a flexible structure and a movable end, a folding surface is arranged when the fixed end is connected with the movable end, the flexible structure is arranged on the upper side of the folding surface, and the movable end is connected with the fixed end through the flexible structure, so that the movable end can be rotated towards the inside of the accommodating portion through the flexible structure.

8. The rubber sheath for protecting the small elbow of the evaporator as recited in claim 7, wherein the limiting bosses are arranged in a staggered manner.

9. The rubber sheath for protecting the small elbow of the evaporator as recited in claim 8, wherein the limiting boss is made of hard plastic.

10. An air conditioner comprising a rubber sheath, wherein the rubber sheath is the rubber sheath for protecting the small elbow of the evaporator according to any one of claims 1 to 9.

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