CN216518646U - Exhaust structure and compressor - Google Patents
Exhaust structure and compressor Download PDFInfo
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- CN216518646U CN216518646U CN202123367097.4U CN202123367097U CN216518646U CN 216518646 U CN216518646 U CN 216518646U CN 202123367097 U CN202123367097 U CN 202123367097U CN 216518646 U CN216518646 U CN 216518646U
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Abstract
The utility model provides an exhaust structure and a compressor, and relates to the technical field of compressors. The exhaust structure includes a main body and a slider. The main part is installed in the compressor, and exhaust chamber and compression chamber are located the both sides of main part respectively. Be equipped with the slip chamber in the main part, the slider slides and sets up in the slip chamber. The main body is provided with a pressure relief hole and a pilot hole; the pressure relief hole is communicated with the sliding cavity and the exhaust cavity. The pilot bore is in communication with the sliding chamber and with the compression chamber. The main body is provided with a first exhaust hole and a second exhaust hole; the first exhaust hole is communicated with the sliding cavity and the exhaust cavity; the second exhaust hole is communicated with the sliding cavity and the compression cavity; the sliding block is provided with an air outlet. The sliding block is abutted against the air outlet hole at one side of the sliding cavity, which is close to the pressure relief hole, and the air outlet hole is communicated with the first exhaust hole and the second exhaust hole. The sliding block abuts against one side of the sliding cavity close to the pilot hole to close the second vent hole. The compressor provided by the utility model adopts the exhaust structure. The utility model provides an exhaust structure and a compressor, which can solve the problem of easy damage.
Description
Technical Field
The utility model relates to the technical field of compressors, in particular to an exhaust structure and a compressor.
Background
The compressor can compress low-pressure gas into high-pressure gas, and then the high-pressure gas is discharged through the exhaust hole. Because the gas pressure in the compression cavity is less than the pressure of the exhaust cavity in the air suction process, a structure is needed to isolate the gas in the compression cavity and the gas in the exhaust cavity and prevent gas blowby, and the air-conditioning compressor generally adopts a reed valve structure.
When the exhaust valve is closed after the exhaust is finished, the pressure on the back of the valve plate is large, and due to the huge pressure difference, the valve plate can be heavily clapped on the valve seat, so that the compressor generates vibration and noise, the service life of the valve plate can be reduced, and the exhaust valve plate is fatigue-broken and fails.
SUMMERY OF THE UTILITY MODEL
The utility model solves the technical problem of how to improve the easy damage of the exhaust structure in the prior art.
In order to solve the above problems, the present invention provides an exhaust structure applied to a compressor, the exhaust structure including a main body and a slider;
the main body is used for being mounted on the compressor, so that a gas discharge cavity and a compression cavity of the compressor are respectively positioned on two opposite sides of the main body;
a sliding cavity is formed in the main body, and the sliding block is slidably arranged in the sliding cavity;
the main body is also provided with a pressure relief hole and a pilot hole; the pressure relief hole is communicated with the sliding cavity and is used for being communicated with the exhaust cavity; the pilot hole is communicated with the sliding cavity and is used for being communicated with the compression cavity; the pressure relief hole and the pilot hole are respectively positioned at two ends of the sliding cavity;
the main body is provided with a first exhaust hole and a second exhaust hole; one end of the first exhaust hole is communicated with the sliding cavity, and the other end of the first exhaust hole is communicated with the exhaust cavity; one end of the second exhaust hole is communicated with the sliding cavity, and the other end of the second exhaust hole is communicated with the compression cavity; the sliding block is provided with an air outlet;
the sliding block is used for being actuated by gas in the pilot hole or gas in the pressure relief hole when the compression cavity and the exhaust cavity have a gas pressure difference; when the sliding block is abutted against one side of the sliding cavity close to the pressure relief hole, the first exhaust hole and the second exhaust hole are communicated through the air outlet hole; or when the sliding block is abutted against one side of the sliding cavity close to the pilot hole, the second exhaust hole is closed.
Compared with the prior art, the exhaust structure provided by the utility model has the beneficial effects that:
when the pressure of the compression cavity is higher than that of the exhaust cavity, the air pressure in the pilot hole is higher than that in the pressure relief hole, and the air in the pilot hole pushes the sliding block to move towards the pressure relief hole so that the sliding block abuts against one side, close to the pressure relief hole, of the sliding cavity, the first exhaust hole and the second exhaust hole are communicated through the air outlet hole, and the air in the compression cavity can be guided into the exhaust cavity. When the pressure of the compression cavity is lower than that of the exhaust cavity, the air pressure in the pressure relief hole is larger than that in the pilot hole, the air in the pressure relief hole pushes the sliding block to move towards the pilot hole, so that the sliding block is abutted against one side, close to the pilot hole, of the sliding cavity, the sliding block closes the second exhaust hole, and the air in the exhaust cavity can be prevented from flowing back to the compression cavity at the moment. Based on this, the low pressure state and the high pressure state that produce when compressing refrigerant in the compression chamber drive the slider and slide in the sliding chamber to the realization is opened or is closed the purpose of second exhaust hole and first exhaust hole, not only can realize preventing the condition of gas reflux in the exhaust chamber, can also avoid the slider to produce the deformation and lead to fatigue damage's condition. Therefore, the technical problem that the exhaust structure is easy to damage in the prior art can be solved.
In order to ensure that the gas in the pilot hole and the pressure relief hole can push the sliding block to slide, optionally, one end of the sliding block is provided with a first groove; when the sliding block abuts against one side, close to the pressure relief hole, of the sliding cavity, the first groove and the inner wall of the sliding cavity jointly enclose a first pressure cavity, and the pressure relief hole is communicated with the first pressure cavity; and/or;
the other end of the sliding block is provided with a second groove; when the sliding block abuts against one side, close to the pilot hole, of the sliding cavity, the second groove and the inner wall of the sliding cavity jointly enclose a second pressure cavity, and the pilot hole is communicated with the second pressure cavity.
Under the condition of arranging the first groove and the second groove, the sliding block can form a first pressure cavity or a second pressure cavity under the condition that the sliding block is abutted to the peripheral walls of the two ends of the sliding cavity, so that the gas in the pilot hole or the pressure relief hole can act on the end part of the sliding block conveniently, and the sliding block is pushed to slide in the sliding cavity.
Optionally, the pressure relief hole and the pilot hole are respectively arranged on two opposite sides of the main body; the opening direction of the pressure relief hole forms an included angle with the moving direction of the sliding block; the opening direction of the pilot hole forms an included angle with the moving direction of the sliding block.
To facilitate assembly of the exhaust structure, optionally, the main body comprises a connecting portion and a cover plate; the sliding cavity is arranged on the connecting part; the second exhaust hole and the pilot hole are both arranged on the connecting part; the cover plate is detachably connected to the connecting part to close the sliding cavity; the first exhaust hole with the pressure release hole is all seted up in the apron.
Optionally, the connecting part is further provided with an accommodating cavity; the accommodating cavity is positioned on one side of the connecting part far away from the second exhaust hole and is communicated with the sliding cavity; the cover plate is arranged in the accommodating cavity to seal the sliding cavity.
In order to reduce the impact noise generated between the sliding block and the main body, optionally, the exhaust structure further includes a damping pad disposed in the sliding cavity and located at least one end of the sliding block.
The slider slides to the circumstances of striking in sliding chamber both ends inner wall under the effect of atmospheric pressure, can provide cushioning effect through the damping pad to reduce the noise that the striking produced between slider and the main part. Simultaneously, can also reduce the impact that the slider received through the cushioning effect of damping pad to prevent slider and main part from damaging.
Optionally, the exhaust structure further comprises a stopper, the stopper is disposed in the sliding cavity and located at least one end of the slider; the damping pad is arranged on one side of the stop block close to the sliding block.
Optionally, the first exhaust hole and the second exhaust hole are coaxially arranged to facilitate exhaust.
In order to facilitate the air outlet corresponding to the second air outlet to effectively discharge air, optionally, the aperture of the air outlet is larger than the aperture of the second air outlet.
A compressor includes a discharge structure. The exhaust structure comprises a main body and a sliding block;
the main body is used for being mounted on the compressor, so that a gas discharge cavity and a compression cavity of the compressor are respectively positioned on two opposite sides of the main body;
a sliding cavity is formed in the main body, and the sliding block is slidably arranged in the sliding cavity;
the main body is also provided with a pressure relief hole and a pilot hole; the pressure relief hole is communicated with the sliding cavity and is used for being communicated with the exhaust cavity; the pilot hole is communicated with the sliding cavity and is used for being communicated with the compression cavity; the pressure relief hole and the pilot hole are respectively positioned at two ends of the sliding cavity;
the main body is provided with a first exhaust hole and a second exhaust hole; one end of the first exhaust hole is communicated with the sliding cavity, and the other end of the first exhaust hole is communicated with the exhaust cavity; one end of the second exhaust hole is communicated with the sliding cavity, and the other end of the second exhaust hole is communicated with the compression cavity; the sliding block is provided with an air outlet;
the sliding block is used for being actuated by gas in the pilot hole or gas in the pressure relief hole when the compression cavity and the exhaust cavity have a gas pressure difference; when the sliding block is abutted against one side of the sliding cavity close to the pressure relief hole, the first exhaust hole and the second exhaust hole are communicated through the air outlet hole; or when the sliding block is abutted against one side of the sliding cavity close to the pilot hole, the second exhaust hole is closed.
The compressor provided by the utility model adopts the exhaust structure, and the beneficial effects of the compressor relative to the prior art are the same as the beneficial effects of the exhaust structure relative to the prior art, and are not described again.
Drawings
FIG. 1 is an exploded view of a venting structure provided in an embodiment of the present application;
FIG. 2 is a cross-sectional structural view of a first state of an exhaust structure provided in an embodiment of the present application;
FIG. 3 is a cross-sectional structural view of a second state of an exhaust structure provided in an embodiment of the present application;
FIG. 4 is a schematic cross-sectional structural view of an exhaust structure provided in an embodiment of the present application;
FIG. 5 is an enlarged view of the structure at A in FIG. 4;
FIG. 6 is a schematic structural diagram of a slider provided in an embodiment of the present application;
FIG. 7 is a schematic view of a portion of a venting structure provided in an embodiment of the present application;
fig. 8 is a schematic structural diagram of a cover plate provided in an embodiment of the present application.
Description of reference numerals:
10-a venting structure; 100-a body; 101-a sliding cavity; 110-a connecting part; 111-pilot hole; 112-second vent; 113-a housing chamber; 120-a cover plate; 121-a first venting hole; 122-pressure relief vent; 200-a slide block; 201-air outlet holes; 210-a first groove; 211-a first pressure chamber; 220-a second groove; 221-a second pressure chamber; 300-a damping pad; 400-a stopper; 500-shaft hole.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
A compressor (not shown) is provided in the present application, and is applied to an air conditioner. A compressor is provided in a refrigeration system of an air conditioner for compressing a refrigerant in a gaseous state into a high-temperature and high-pressure state and then discharging the compressed refrigerant, so that the refrigerant circulates in the refrigeration system. Of course, the refrigerant is sucked by the compressor during a cycle in the refrigeration system and then compressed again by the compressor. In other words, the compressor may suck a gaseous refrigerant in the refrigeration system, and discharge a high-temperature and high-pressure refrigerant after compressing the gaseous refrigerant.
In which the compressor has a compression chamber (not shown) for compressing a gaseous refrigerant therein, and a discharge chamber (not shown) for discharging a high-temperature and high-pressure refrigerant. Additionally, the compression chambers may draw gaseous refrigerant from the refrigeration system. The compression cavity is in a cycle process of compression and suction, so that the compression cavity has a high-pressure state and a low-pressure state; when the compression cavity is in a high-pressure state, high-temperature and high-pressure refrigerant can be introduced into the exhaust cavity, namely, the exhaust of the compression cavity is carried out; after the compression chamber is completely exhausted, it is necessary to suck the refrigerant from the refrigerating system, at which time the compression chamber is converted into a low pressure state. In order to prevent the refrigerant in the discharge chamber from flowing back into the compression chamber in the case where the compression chamber is in a low pressure state, it is necessary to close a passage between the compression chamber and the discharge chamber. In this respect, a venting structure 10 is provided between the compression chamber and the venting chamber. The exhaust structure 10 can conduct the compression chamber and the exhaust chamber when the air pressure of the compression chamber is higher than that of the exhaust chamber, so that the refrigerant in the compression chamber can be guided into the exhaust chamber; the discharge structure 10 may also close a passage between the compression chamber and the discharge chamber when the pressure of the compression chamber is lower than that of the discharge chamber to prevent the refrigerant in the discharge chamber from flowing back into the compression chamber.
Referring to fig. 1, the exhaust structure 10 provided in the present application can solve the technical problem that the exhaust structure is easily damaged in the prior art. In the embodiment of the present application, the exhaust structure 10 includes a main body 100 and a slider 200. The main body 100 is adapted to be mounted to a compressor such that a discharge chamber and a compression chamber of the compressor are respectively located at opposite sides of the main body 100. The main body 100 has a sliding cavity 101 formed therein, and the slider 200 is slidably disposed in the sliding cavity 101. Referring to fig. 2 and 3, the main body 100 further has a pressure relief hole 122 and a pilot hole 111; the relief hole 122 communicates with the slide chamber 101 and is used to communicate with the exhaust chamber. The pilot hole 111 communicates with the sliding chamber 101 and is used for communicating with the compression chamber; the pressure relief hole 122 and the pilot hole 111 are respectively located at both ends of the sliding chamber 101, in other words, the pressure relief hole 122 and the pilot hole 111 may respectively introduce gas into the sliding chamber 101 from both ends of the sliding chamber 101. In addition, the main body 100 is provided with a first exhaust hole 121 and a second exhaust hole 112; one end of the first exhaust hole 121 is communicated with the sliding cavity 101, and the other end is used for being communicated with the exhaust cavity; one end of the second exhaust hole 112 is communicated with the sliding cavity 101, and the other end is used for being communicated with the compression cavity; the slider 200 is provided with an air outlet 201. The slider 200 is used for being actuated by the gas in the pilot hole 111 or the gas in the relief hole 122 when the compression chamber and the exhaust chamber have a gas pressure difference; when the sliding block 200 is abutted against one side of the sliding cavity 101 close to the pressure relief hole 122, the first exhaust hole 121 and the second exhaust hole 112 are communicated through the air outlet hole 201; or the sliding block 200 closes the second air outlet hole 112 when it is pressed against the side of the sliding chamber 101 close to the guiding hole 111.
It should be noted that "activate" means to move the slider 200, in other words, "activate" means that the gas in the pressure relief hole 122 can be introduced into the inside of the sliding cavity 101 to push the slider 200 to slide in the sliding cavity 101; similarly, "actuating" may also mean that the gas in the pilot hole 111 may be introduced into the inside of the sliding chamber 101 to push the slider 200 to slide in the sliding chamber 101.
As described above, when the pressure of the compression cavity is higher than the pressure of the discharge cavity, the pressure in the pilot hole 111 is higher than the pressure in the discharge hole 122, and the gas in the pilot hole 111 pushes the slider 200 to move toward the discharge hole 122, so that the slider 200 abuts against the side of the sliding cavity 101 close to the discharge hole 122, and thus the first discharge hole 121 and the second discharge hole 112 are communicated through the gas outlet 201, so that the gas in the compression cavity can be introduced into the discharge cavity, as shown in fig. 3, where the arrow in fig. 3 indicates the flow direction of the refrigerant when the compression cavity discharges. When the pressure in the compression chamber is lower than the pressure in the exhaust chamber, the pressure in the pressure relief hole 122 is higher than the pressure in the pilot hole 111, and the gas in the pressure relief hole 122 pushes the slider 200 to move toward the pilot hole 111, so that the slider 200 abuts against the side of the sliding chamber 101 close to the pilot hole 111, and the slider 200 closes the second exhaust hole 112, and at this time, the gas in the exhaust chamber can be prevented from flowing back into the compression chamber, as shown in fig. 2. Based on this, the slider 200 is driven to slide in the sliding cavity 101 through the low pressure state and the high pressure state generated when the refrigerant is compressed in the compression cavity, so that the purpose of opening or closing the second exhaust hole 112 and the first exhaust hole 121 is achieved, not only the situation of gas backflow in the exhaust cavity can be prevented, but also the situation of fatigue damage caused by the slider 200 deformation can be avoided. This can improve the problem of the prior art that the vent structure 10 is easily damaged.
It should be noted that, after the compression chamber finishes exhausting, the compression chamber starts to suck air, and at this time, the compression chamber not only sucks refrigerant from the refrigeration system, but also sucks air from the pilot hole 111 in a low pressure state of the compression chamber, and based on this, when the air pressure in the compression chamber is smaller than that of the exhaust chamber, not only the slider 200 can be pushed by the air in the pressure relief hole 122, but also the slider 200 can be promoted to slide toward the pilot hole 111 due to the negative pressure formed in the pilot hole 111, and based on this, the slider 200 can be ensured to close the second exhaust hole 112 by the slider 200 in a state where the compression chamber is in a low pressure state.
Optionally, referring to fig. 2, fig. 4, fig. 5 and fig. 6, in order to ensure that the gas in the pilot hole 111 and the pressure relief hole 122 can push the slider 200 to slide, one end of the slider 200 is provided with a first groove 210; when the sliding block 200 abuts against one side of the sliding cavity 101 close to the pressure relief hole 122, the first groove 210 and the inner wall of the sliding cavity 101 jointly enclose a first pressure cavity 211, and the pressure relief hole 122 is communicated with the first pressure cavity 211; and/or; the other end of the sliding block 200 is provided with a second groove 220; when the slider 200 abuts against the side of the sliding cavity 101 close to the pilot hole 111, the second groove 220 and the inner wall of the sliding cavity 101 jointly enclose a second pressure cavity 221, and the pilot hole 111 is communicated with the second pressure cavity 221.
In the case of providing the first groove 210, the pressure relief hole 122 can provide an acting force parallel to the moving direction of the slider 200 to the slider 200 only by introducing gas into the first pressure chamber 211 formed by the first groove 210, so as to push the slider 200, and therefore, the pressure relief hole 122 does not need to be intentionally opened to face the end face of the slider 200 in order to provide an acting force parallel to the moving direction of the slider 200 to the slider 200, thereby reducing the difficulty in disposing the pressure relief hole 122. Similarly, in the case where the second groove 220 is provided, the pilot hole 111 can provide a force parallel to the moving direction of the slider 200 to the slider 200 only by introducing a gas into the second pressure chamber 221 formed by the second groove 220, thereby pushing the slider 200, and thus it is not necessary to intentionally open the pilot hole 111 toward the end surface of the slider 200 in order to provide a force parallel to the moving direction of the slider 200 to the slider 200, whereby the difficulty in disposing the pilot hole 111 can be reduced.
It should be noted that the above mentioned "and/or" indicates that, in some embodiments of the present application, the slider 200 may be provided with the first groove 210 and the second groove 220 at the same time; in other embodiments of the present application, the first groove 210 may be formed only at one end of the slider 200, or the second groove 220 may be formed only at the other end of the slider 200.
Alternatively, in some embodiments of the present application, the relief hole 122 and the pilot hole 111 are respectively opened at opposite sides of the body 100; the opening direction of the pressure relief hole 122 forms an included angle with the moving direction of the sliding block 200; the opening direction of the pilot hole 111 forms an angle with the moving direction of the slider 200. In other words, the opening direction of the pressure relief hole 122 forms an angle with the extending direction of the sliding cavity 101, and the opening direction of the pilot hole 111 forms an angle with the extending direction of the sliding cavity 101. By adopting the mode, the difficulty of forming the pilot hole 111 and the pressure relief hole 122 can be reduced, so that the manufacturing cost is reduced.
On this basis, in order to facilitate the pressure relief hole 122 to introduce the gas into the first pressure chamber 211, the first groove 210 is opened at the end of the slider 200, and the first groove 210 forms an opening at a side of the slider 200 close to the pressure relief hole 122, so as to facilitate the pressure relief hole 122 to introduce the gas into the first pressure chamber 211 through the opening, thereby achieving the purpose of pushing the slider 200. Similarly, in order to facilitate the pilot hole 111 to introduce the gas into the second pressure chamber 221, the second groove 220 is opened at the end of the slider 200, and the second groove 220 forms an opening at a side of the slider 200 close to the pilot hole 111 to facilitate the pilot hole 111 to introduce the gas into the second pressure chamber 221 through the opening, thereby achieving the purpose of pushing the slider 200.
Optionally, in some embodiments of the present application, the opening of the first groove 210 may be formed by taking an opening close to the pressure relief hole 122 as a starting point to linearly penetrate through the end surface of the slider 200, and of course, the first groove 210 may also be formed in other shapes, for example, the first groove 210 linearly extends to the middle of the end surface of the slider 200; for another example, a circular, polygonal or other irregular groove is formed in the middle of the end surface of the slider 200, the groove is communicated with another linearly extending groove, and an opening or the like is formed on the side of the slider 200 close to the pressure relief hole 122. Similarly, in some embodiments of the present application, the second groove 220 may be formed by a straight line penetrating through the end surface of the slider 200 with the opening close to the pilot hole 111 as a starting point, and of course, the second groove 220 may also be formed in other shapes, for example, the second groove 220 extends to the middle of the end surface of the slider 200 along a straight line; for another example, a circular, polygonal, or other irregularly shaped groove is formed in the middle of the end face of the slider 200, the groove is communicated by another linearly extending groove, and an opening or the like is formed on the side of the slider 200 close to the pilot hole 111.
It should be noted that in other embodiments of the present application, the first groove 210 and the second groove 220 may be eliminated. At this time, the pressure relief hole 122 is opened on the inner wall of the sliding chamber 101 facing the end surface of the slider 200, so that the pressure relief hole 122 can directly apply a force to the end surface of the slider 200, so that the slider 200 can slide under the push of the gas in the pressure relief hole 122. Likewise, at this time, the pilot hole 111 is opened on the inner wall of the sliding chamber 101 toward the end surface of the slider 200 so that the pilot hole 111 can directly apply a force to the end surface of the slider 200 to allow the slider 200 to slide under the push of the gas in the pilot hole 111.
The main body 100 includes a connection part 110 and a cover plate 120; the sliding cavity 101 is arranged on the connecting part 110; the second exhaust hole 112 and the pilot hole 111 are opened in the connection portion 110. The cover plate 120 is detachably coupled to the coupling part 110 to close the sliding chamber 101; the first venting hole 121 and the pressure relief hole 122 are opened in the cover plate 120. However, when the slider 200 is assembled or maintenance of the slider 200 is required, the cover plate 120 can be detached from the connecting portion 110, thereby enabling maintenance of the slider 200 or assembly of the slider 200. Based on this, the assembly of the exhaust structure 10 can be facilitated, while also facilitating the replacement of parts.
Optionally, referring to fig. 7 and 8, the connecting portion 110 is further provided with an accommodating cavity 113; the accommodating cavity 113 is positioned on one side of the connecting part 110 far away from the second exhaust hole 112, and the accommodating cavity 113 is communicated with the sliding cavity 101; the cover plate 120 is disposed inside the accommodating cavity 113 to enclose the sliding cavity 101. In the case of mounting the cover plate 120 in the receiving cavity 113, a restriction may be provided to the cover plate 120 through the receiving cavity 113, whereby the stability of mounting the cover plate 120 to the cover plate 120 may be improved. In addition, the cover plate 120 is accommodated in the accommodating cavity 113, so that the overall volume of the exhaust structure 10 can be reduced, and the installation of the exhaust structure 10 in the compressor can be facilitated.
It should be noted that, in order to facilitate installation of the cover plate 120, in some embodiments of the present application, the area of the accommodating cavity 113 is larger than that of the sliding cavity 101, so that a stepped structure is formed at two ends of the sliding cavity 101, and the cover plate 120 may be installed on the stepped structure, so as to facilitate the cover plate 120 to close the sliding cavity 101, and prevent the installation of the cover plate 120 from affecting the sliding of the slider 200. Optionally, the cover plate 120 is detachably connected to the stepped structure by means of a screw connection. Of course, the cover plate 120 may be connected to the stepped structure by bonding, clamping, or welding.
In addition, in the embodiment of the present application, the connection part 110 has a flange structure, so that the connection part 110 can be conveniently connected to the inside of the compressor. Wherein, shaft hole 500 has been seted up at the middle part of connecting portion 110, and this shaft hole 500 is used for installing the pivot to the inside compression part in compression chamber is conveniently installed, and sliding chamber 101 sets up with this shaft hole 500 interval, in order to avoid sliding chamber 101 to influence the setting in shaft hole 500.
In the embodiment of the present application, in order to reduce noise generated by the sliding of the slider 200 in the sliding chamber 101, the exhaust structure 10 further includes a damping pad 300. The damping pad 300 is disposed in the sliding chamber 101 and located at least one end of the slider 200. In the case where the slider 200 slides to collide with the inner walls of both ends of the sliding chamber 101 by the air pressure, a buffering function may be provided by the damping pad 300, thereby reducing noise generated by the collision between the slider 200 and the main body 100. Meanwhile, the impact on the slider 200 can be reduced by the cushioning effect of the damping pad 300, thereby preventing the slider 200 and the main body 100 from being damaged.
It should be noted that, in some embodiments of the present application, the damping pads 300 are disposed at both ends of the slider 200, in other words, in the case that the slider 200 slides to abut against any end of the sliding cavity 101, the damping pads 300 can provide a buffering effect to the slider 200, thereby reducing noise generated by the slider 200, and simultaneously preventing the slider 200 or the main body 100 from being damaged. Of course, in other embodiments of the present application, damping pad 300 may be disposed at only one end of sliding chamber 101.
Of course, in other embodiments of the present application, damping pads 300 may be directly connected to both ends of slider 200, so that damping pads 300 slide along slider 200.
In some embodiments of the present application, optionally, the exhaust structure 10 further includes a stopper 400, where the stopper 400 is disposed in the sliding cavity 101 and located at least one end of the slider 200; the damping pad 300 is installed at a side of the stopper 400 adjacent to the slider 200. The stop 400 is arranged to facilitate the installation of the damping pad 300, and meanwhile, the sliding stroke of the slider 200 can be adjusted by the stop 400, so that the position of the slider 200 can be adjusted by the thickness of the stop 400 under the condition that the positions of the air outlet holes 201 in the slider 200 have some deviations, thereby ensuring that the slider 200 can effectively close or open the second air outlet hole 112.
It should be noted that, in some embodiments of the present application, the two ends of the sliding cavity 101 are both provided with the stoppers 400; it should be understood that in other embodiments of the present application, the stopper 400 may be provided only at one end of the sliding chamber 101. Of course, in other embodiments of the present application, the provision of the stopper 400 may be eliminated.
In the embodiment of the present application, in order to facilitate the exhaust of the first exhaust hole 121 and the second exhaust hole 112, the first exhaust hole 121 and the second exhaust hole 112 are coaxially disposed. Therefore, in the condition that the first exhaust hole 121 and the second exhaust hole 112 are communicated through the air outlet hole 201, the gas in the compression cavity can be rapidly exhausted from the first exhaust hole 121 and the second exhaust hole 112, and the exhaust efficiency is improved. Of course, in other embodiments of the present application, the first exhaust hole 121 and the second exhaust hole 112 may be arranged in a staggered manner.
In order to ensure that the air outlet 201 can effectively communicate with the first exhaust hole 121 and the second exhaust hole 112, the air outlet 201 may be a waist-shaped hole, in other words, in some embodiments of the present application, the aperture of the air outlet 201 is larger than the aperture of the second exhaust hole 112. Based on this, even if the sliding stroke of the slider 200 has a certain error, the first exhaust hole 121 and the second exhaust hole 112 can be ensured to be effectively communicated by the kidney-shaped air outlet hole 201. It should be understood that in other embodiments of the present application, the air outlet 201 may be provided as a hole having the same aperture as the first and second exhaust holes 121 and 112.
In summary, in the compressor and the exhaust structure 10 provided in the embodiment of the present application, when the pressure of the compression cavity is higher than the pressure of the exhaust cavity, the air pressure in the pilot hole 111 is greater than the air pressure in the pressure relief hole 122, and the air in the pilot hole 111 pushes the slider 200 to move toward the pressure relief hole 122, so that the slider 200 abuts against one side of the sliding cavity 101 close to the pressure relief hole 122, so that the first exhaust hole 121 and the second exhaust hole 112 are communicated through the air outlet 201, and the air in the compression cavity can be introduced into the exhaust cavity. When the pressure in the compression chamber is lower than the pressure in the exhaust chamber, the pressure in the pressure relief hole 122 is higher than the pressure in the pilot hole 111, and the gas in the pressure relief hole 122 pushes the slider 200 to move toward the pilot hole 111, so that the slider 200 abuts against the side of the sliding chamber 101 close to the pilot hole 111, and the slider 200 closes the second exhaust hole 112, thereby preventing the gas in the exhaust chamber from flowing back into the compression chamber. Based on this, the slider 200 is driven to slide in the sliding cavity 101 through the low pressure state and the high pressure state generated when the refrigerant is compressed in the compression cavity, so that the purpose of opening or closing the second exhaust hole 112 and the first exhaust hole 121 is achieved, not only the situation of gas backflow in the exhaust cavity can be prevented, but also the situation of fatigue damage caused by the slider 200 deformation can be avoided. This can improve the problem of the prior art that the vent structure 10 is easily damaged. In addition, the damping pads 300 disposed at both ends of the sliding chamber 101 can provide a buffering effect to the slider 200, thereby reducing noise generated when the slider 200 collides with the main body 100 and preventing damage caused by collision between the slider 200 and the main body 100. Through the setting of dog 400 and set up gas outlet 201 for the waist shape, can reduce the stroke of slider 200 and set up the required precision to reach reduce cost's purpose.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (10)
1. A discharge structure applied to a compressor, characterized in that said discharge structure (10) comprises a main body (100) and a slider (200);
the main body (100) is used for being mounted on the compressor, so that a discharge cavity and a compression cavity of the compressor are respectively positioned at two opposite sides of the main body (100);
a sliding cavity (101) is formed in the main body (100), and the sliding block (200) is slidably arranged in the sliding cavity (101);
the main body (100) is also provided with a pressure relief hole (122) and a pilot hole (111); the pressure relief hole (122) is communicated with the sliding cavity (101) and is used for being communicated with the exhaust cavity; said pilot hole (111) communicating with said sliding chamber (101) and for communicating with said compression chamber; the pressure relief hole (122) and the pilot hole (111) are respectively positioned at two ends of the sliding cavity (101);
the main body (100) is provided with a first exhaust hole (121) and a second exhaust hole (112); one end of the first exhaust hole (121) is communicated with the sliding cavity (101), and the other end of the first exhaust hole is communicated with the exhaust cavity; one end of the second exhaust hole (112) is communicated with the sliding cavity (101), and the other end of the second exhaust hole is communicated with the compression cavity; the sliding block (200) is provided with an air outlet (201);
the slide block (200) is used for being actuated by gas in the pilot hole (111) or gas in the pressure relief hole (122) when the compression cavity and the exhaust cavity have gas pressure difference; when the sliding block (200) is abutted against one side of the sliding cavity (101) close to the pressure relief hole (122), the first exhaust hole (121) and the second exhaust hole (112) are communicated through the air outlet hole (201); or when the sliding block (200) is abutted against one side of the sliding cavity (101) close to the pilot hole (111), the second exhaust hole (112) is closed.
2. The exhaust structure according to claim 1, characterized in that one end of the slider (200) is provided with a first groove (210); when the sliding block (200) abuts against one side, close to the pressure relief hole (122), of the sliding cavity (101), the first groove (210) and the inner wall of the sliding cavity (101) jointly enclose a first pressure cavity (211), and the pressure relief hole (122) is communicated with the first pressure cavity (211); and/or;
the other end of the sliding block (200) is provided with a second groove (220); when the sliding block (200) abuts against one side of the sliding cavity (101) close to the pilot hole (111), the second groove (220) and the inner wall of the sliding cavity (101) jointly enclose a second pressure cavity (221), and the pilot hole (111) is communicated with the second pressure cavity (221).
3. The exhaust structure according to claim 2, wherein said relief hole (122) and said pilot hole (111) are opened on opposite sides of said main body (100), respectively; the opening direction of the pressure relief hole (122) forms an included angle with the moving direction of the sliding block (200); the opening direction of the pilot hole (111) forms an included angle with the moving direction of the sliding block (200).
4. The exhaust structure according to claim 1, wherein the main body (100) comprises a connecting portion and a cover plate (120); the sliding cavity (101) is arranged on the connecting part (110); the second exhaust hole (112) and the pilot hole (111) are both opened in the connecting part (110); the cover plate (120) is detachably connected to the connecting part (110) to close the sliding cavity (101); the first exhaust hole (121) and the pressure relief hole (122) are both formed in the cover plate (120).
5. The exhaust structure according to claim 4, characterized in that the connecting part (110) is further provided with a containing cavity (113); the accommodating cavity (113) is positioned on one side, far away from the second exhaust hole (112), of the connecting part (110), and the accommodating cavity (113) is communicated with the sliding cavity (101); the cover plate (120) is arranged inside the accommodating cavity (113) to seal the sliding cavity (101).
6. Exhaust structure according to any of claims 1-5, characterized in that the exhaust structure (10) further comprises a damping cushion (300), the damping cushion (300) being arranged inside the sliding cavity (101) and being located at least one end of the slider (200).
7. The exhaust structure according to claim 6, characterized in that the exhaust structure (10) further comprises a stopper (400), the stopper (400) being disposed within the sliding cavity (101) and located at least one end of the slider (200); the damping pad (300) is arranged on one side of the stop block (400) close to the sliding block (200).
8. Exhaust structure according to any of claims 1-5, characterized in that the first exhaust hole (121) and the second exhaust hole (112) are coaxially arranged.
9. The exhaust structure according to any one of claims 1 to 5, wherein the aperture of the gas outlet hole (201) is larger than the aperture of the second exhaust hole (112).
10. A compressor, characterized by comprising a discharge structure (10) according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123367097.4U CN216518646U (en) | 2021-12-28 | 2021-12-28 | Exhaust structure and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123367097.4U CN216518646U (en) | 2021-12-28 | 2021-12-28 | Exhaust structure and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216518646U true CN216518646U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123367097.4U Active CN216518646U (en) | 2021-12-28 | 2021-12-28 | Exhaust structure and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216518646U (en) |
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2021
- 2021-12-28 CN CN202123367097.4U patent/CN216518646U/en active Active
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