CN220187661U - Refrigerating compressor cylinder head clearance detection device - Google Patents

Abstract

The utility model discloses a device for detecting the clearance of a cylinder head of a refrigeration compressor, which relates to the technical field of clearances and comprises a cylinder body, wherein two flanges are fixedly connected to the outer surface of the cylinder body, a clamping plate is closely contacted with the outer surface of the cylinder body, a hydraulic rod is fixedly connected to the outer surface of the clamping plate, an embedding nozzle is fixedly connected to the outer surface of the hydraulic rod, and a detection mechanism is arranged above the embedding nozzle. The utility model has reasonable design structure, can be matched with the detection mechanism through the cylinder body, the flange, the clamping plate, the hydraulic rod and the flange, the flange can be convenient for correcting and positioning the clamping plate, the hydraulic rod can control the extension and retraction of the clamping plate, the detection mechanism can extract the gas in the cylinder body through the embedded nozzle, and the cylinder head clearance is calculated through detecting the vacuum value, so that the problem that the upper limit of the readable numerical value of the equipment is exceeded due to overlarge clearance when detecting cylinder heads of different models is solved.

Description

Refrigerating compressor cylinder head clearance detection device

Technical Field

The utility model relates to the technical field of clearances, in particular to a device for detecting clearances of a cylinder head of a refrigeration compressor.

Background

The refrigeration compressor is generally applied to air refrigeration, and common equipment comprises a household air conditioner, a central air conditioner, a vehicle-mounted air conditioner and the like, and can suck low-temperature and low-pressure refrigeration gas, and the motor drives the transmission shaft to rotate, so that the piston can compress the refrigeration gas, and then the refrigeration gas is discharged.

Through retrieving, chinese patent publication No. CN208269797U discloses a cylinder head clearance volume detection mechanism of air condition compressor, this scheme detects the clearance volume of cylinder head, after installing the cylinder body on the bottom plate, the drive cylinder promotes the roof and contradicts the cylinder body up end, utilize the motor to drive the transmission shaft rotation, the transmission shaft drives the piston up-and-down motion, and then according to displacement sensor's reading indirect measurement cylinder head's clearance volume, the measuring process is convenient and fast, labour saving and time saving, and then reached the effect of conveniently detecting cylinder head clearance volume and high reliability.

However, in practical application, the conventional mechanical power detection is used, the clearance of the cylinder head is detected by means of the conventional machine, and when the cylinder heads of different types are detected, the upper limit of the readable numerical values of the equipment is exceeded due to overlarge clearance. To this end, we provide a refrigeration compressor cylinder head clearance detection device that solves the above problems.

Disclosure of Invention

First) solving the technical problems

The utility model aims to make up the defects of the prior art and provides a device for detecting the clearance of a cylinder head of a refrigeration compressor.

Two) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a refrigeration compressor cylinder end clearance detection device, includes the cylinder body, the surface fixedly connected with two flanges of cylinder body, the surface contact of cylinder body is hugged closely there is the grip block, the surface fixedly connected with hydraulic stem of grip block, the surface fixedly connected with of hydraulic stem inlays the mouth, the top of inlaying the mouth is provided with detection mechanism.

Further, the detection mechanism comprises a cylinder, the outer surface of the cylinder is fixedly connected with the outer surface of the embedded nozzle, and a gasket is fixedly connected with the inner wall of the cylinder.

Further, the outer surface fixedly connected with support frame of cylinder, the piston is installed to the inner wall of support frame, the surface of piston and the inner wall of cylinder are sliding connection.

Further, the cylinder is fixedly connected with the cylinder cover on the outer surface of the cylinder, an exhaust hole is formed in the inner side of the cylinder cover, an exhaust pipe is arranged in the inner side of the cylinder, and the exhaust hole is communicated with the inner wall of the cylinder through the exhaust pipe.

Furthermore, the outer surface of the cylinder cover is provided with a vacuumizing device, and the input end of the vacuumizing device is fixedly connected with one end of the exhaust hole.

Further, a first check valve is arranged in the exhaust pipe, a limiting plate is fixedly connected to the inner wall of the cylinder, and a second check valve is arranged on the inner wall of the limiting plate.

Further, a vacuum degree detector is mounted on the inner wall of the cylinder, a detection probe of the vacuum degree detector is fixedly connected with an exhaust cavity, and the outer surface of the exhaust cavity is fixedly connected with the inner wall of the cylinder.

Third), beneficial effects:

compared with the prior art, the device for detecting the clearance of the cylinder head of the refrigeration compressor has the following beneficial effects:

1. according to the utility model, through the matching among the cylinder body, the flange, the clamping plate, the hydraulic rod and the detection mechanism, the flange can be used for facilitating the correction and positioning of the clamping plate, the hydraulic rod can control the extension and retraction of the clamping plate, the detection mechanism can extract gas in the cylinder body through the embedded nozzle, and the cylinder head clearance is calculated through detecting the vacuum value, so that the problem that the upper limit of the numerical value which can be read by the equipment is exceeded due to overlarge clearance when detecting cylinder heads of different models is solved.

2. According to the utility model, through the cooperation between the piston, the vacuumizing device and the first and second check valves, the piston can suck out air, the first and second check valves can ensure that the air cannot flow reversely, and then the piston pushes the sucked air, so that the vacuumizing device can suck out air more quickly and more easily, and the air sucking speed and load of the vacuumizing device are further reduced.

Drawings

FIG. 1 is a cutaway view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a sectional view of the entire structure of the present utility model;

FIG. 3 is a cut-away view of the detection mechanism of the present utility model;

FIG. 4 is a schematic cross-sectional view of the detection mechanism of the present utility model.

In the figure: 1. a cylinder; 2. a flange; 3. a clamping plate; 4. a hydraulic rod; 5. embedding a mouth; 6. a detection mechanism; 601. a cylinder; 602. a gasket; 603. a support frame; 604. a piston; 605. a cylinder cover; 606. an exhaust hole; 607. an exhaust pipe; 608. a vacuum pumping device; 609. a first check valve; 610. a limiting plate; 611. a second check valve; 612. a vacuum degree detector; 613. and a vent chamber.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-4, the present utility model provides a technical solution: the utility model provides a refrigerating compressor cylinder end clearance detection device, including cylinder body 1, the surface fixedly connected with two flanges 2 of cylinder body 1, the surface contact of cylinder body 1 has tightly pasted grip block 3, the surface fixedly connected with hydraulic stem 4 of grip block 3, the surface fixedly connected with of hydraulic stem 4 inlays mouth 5, the top of inlaying mouth 5 is provided with detection mechanism 6, flange 2 can be convenient for the correction location of grip block 3, hydraulic stem 4 can control stretching out and the withdrawal of grip block 3, detection mechanism 6 can take out the inside gas of cylinder body 1 through inlaying mouth 5, and calculate cylinder end clearance through detecting the vacuum value, and then solve when detecting the cylinder end of different models, can appear because the clearance is too big to surpass the problem of the upper limit that the equipment can read numerical value.

The detection mechanism 6 includes the cylinder 601, and the surface of cylinder 601 is fixed connection with the surface of inlaying mouth 5, and the inner wall fixedly connected with gasket 602 of cylinder 601, gasket 602 can paste tightly on the surface of cylinder body 1 and inlaying mouth 5 when detecting, and then guarantees inside gas tightness when bleeding, and then makes the numerical value that detects more accurate.

The outer surface fixedly connected with support frame 603 of cylinder 601, piston 604 is installed to the inner wall of support frame 603, and the surface of piston 604 is sliding connection with the inner wall of cylinder 601, and support frame 603 can provide necessary bearing and support's effect for piston 604, makes piston 604 can promote the inside gas of cylinder 601, makes it possible the effect of bleeding.

The cylinder 601 is fixedly connected with the cylinder cover 605 on the outer surface, the exhaust hole 606 is formed in the inner side of the cylinder cover 605, the exhaust pipe 607 is formed in the inner side of the cylinder 601, the exhaust hole 606 is communicated with the inner wall of the cylinder 601 through the exhaust pipe 607, the vacuumizing device 608 is mounted on the outer surface of the cylinder cover 605, the input end of the vacuumizing device 608 is fixedly connected with one end of the exhaust hole 606, and the vacuumizing device 608 can suck air in the cylinder 601 from the exhaust pipe 607 through the exhaust hole 606 in the inner side of the cylinder cover 605, so that the inner part is kept in a vacuum state.

The check valve I609 is installed in the exhaust pipe 607, the limit plate 610 is fixedly connected to the inner wall of the air cylinder 601, the check valve II 611 is installed on the inner wall of the limit plate 610, the check valve I609 can ensure that the gas entering the exhaust pipe 607 does not flow reversely, and the check valve II 611 can ensure that the gas passing through the check valve II 611 does not flow reversely.

The vacuum degree detector 612 is installed to the inner wall of cylinder 601, and vacuum degree detector 612's detection probe fixedly connected with exhaust chamber 613, and exhaust chamber 613's surface is fixed connection with the inner wall of cylinder 601, and exhaust chamber 613 can provide the protection and provide the effect of support for vacuum degree detector 612, and vacuum degree detector 612 can be with the signal output part transmission of the numerical value that detects to the display through the control of own controller.

Working principle: when the device is needed to be used, the mosaic nozzle 5 is aligned with the cylinder body 1 and the flange 2, then moves downwards, the hydraulic rod 4 slowly pushes the clamping plate 3 while moving, so that the clamping plate 3 can be clamped between the two flanges 2 and is clung to the cylinder body 1, meanwhile, the gasket 602 can be clung to a gap between the cylinder body 1 and the cylinder 601, then the piston 604 is opened, the piston 604 and the vacuumizing device 608 are opened, when the piston 604 pushes downwards, the air above the second one-way valve 611 and below the piston 604 can be discharged from the exhaust pipe 607 and the exhaust hole 606 in cooperation with the vacuumizing device 608, when the piston 604 moves upwards, the cylinder body 1 and the cylinder 601 can be pulled out through the second one-way valve 611, and repeatedly run, so that the cylinder body 1 and the cylinder 601 are in a negative pressure state, the piston 604 is separated from the closest point of the second one-way valve 611, when the sucked air flow and the vacuumized air flow form balance, the vacuum value detected by the vacuum detection device is read, the vacuum value corresponding to the read vacuum value is taken as the vacuum value of the compressor cylinder head, the vacuum value detected by the electronic vacuum value detector, the vacuum value is transmitted to the vacuum value controller by the vacuum value detector. Thereby outputting the clearance value calculated by the controller to a display for display.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "fixedly attached," "mounted," "connected," and "coupled" are to be construed broadly, e.g., as a fixed connection, as a removable connection, or as an integral connection; "coupled" may be either mechanical or electrical; the "connection" may be direct, indirect via an intermediary, or communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a refrigeration compressor cylinder end clearance detection device, includes cylinder body (1), its characterized in that: the cylinder body is characterized in that two flanges (2) are fixedly connected to the outer surface of the cylinder body (1), a clamping plate (3) is tightly attached to the outer surface of the cylinder body (1) in a contact mode, a hydraulic rod (4) is fixedly connected to the outer surface of the clamping plate (3), an embedding nozzle (5) is fixedly connected to the outer surface of the hydraulic rod (4), and a detection mechanism (6) is arranged above the embedding nozzle (5).

2. The refrigeration compressor head clearance detection apparatus of claim 1, wherein: the detection mechanism (6) comprises an air cylinder (601), the outer surface of the air cylinder (601) is fixedly connected with the outer surface of the mosaic nozzle (5), and a gasket (602) is fixedly connected with the inner wall of the air cylinder (601).

3. The refrigeration compressor head clearance detection apparatus of claim 2, wherein: the outer surface of cylinder (601) fixedly connected with support frame (603), piston (604) are installed to the inner wall of support frame (603), the surface of piston (604) is sliding connection with the inner wall of cylinder (601).

4. The refrigeration compressor head clearance detection apparatus of claim 2, wherein: the cylinder cover (605) is fixedly connected with the outer surface of the cylinder (601), an exhaust hole (606) is formed in the inner side of the cylinder cover (605), an exhaust pipe (607) is arranged in the inner side of the cylinder (601), and the inner part of the exhaust hole (606) is communicated with the inner wall of the cylinder (601) through the exhaust pipe (607).

5. The refrigerant compressor cylinder head clearance detection device as recited in claim 4, wherein: the outer surface of the cylinder cover (605) is provided with a vacuumizing device (608), and the input end of the vacuumizing device (608) is fixedly connected with one end of the exhaust hole (606).

6. The refrigerant compressor cylinder head clearance detection device as recited in claim 4, wherein: the inside of blast pipe (607) is installed one-way valve (609), the inner wall fixedly connected with limiting plate (610) of cylinder (601), one-way valve two (611) are installed to the inner wall of limiting plate (610).

7. The refrigeration compressor head clearance detection apparatus of claim 2, wherein: the vacuum degree detector (612) is installed to the inner wall of cylinder (601), the detection probe of vacuum degree detector (612) fixedly connected with exhaust chamber (613), the surface in exhaust chamber (613) is fixed connection with the inner wall of cylinder (601).