Refrigerant meter set

Abstract

The utility model provides a refrigerant meter set, and belongs to the technical field of refrigerant equipment. The problem that an existing refrigerant meter set cannot meet high-low pressure switching conveying is solved. The refrigerant meter set comprises a refrigerant body and two refrigerant meters arranged on the refrigerant body, a low-pressure connector and a high-pressure connector are arranged at the two ends of the refrigerant body respectively, the number of the refrigerant meters is two, and the refrigerant meters are located at the low-pressure connector and the high-pressure connector respectively. Opening and closing units connected with the low-pressure connector and the high-pressure connector and used for controlling opening and closing of the low-pressure connector and the high-pressure connector are arranged at the positions, located on the low-pressure connector and the high-pressure connector, of the refrigerant body. A control unit connected with the refrigerant body and used for driving the opening and closing units to move is arranged on the peripheral wall of the refrigerant body. The high-voltage and low-voltage switching circuit has the advantage of capability of switching high voltage and low voltage.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of refrigerant equipment relates to a refrigerant table set. BACKGROUND

[0002] With global warming, the demand for refrigeration equipment increases year by year, especially with the increase in the number of cars, the number of its air conditioning systems also increases, so the demand for refrigerant table set as one of the maintenance tools of refrigeration equipment also increases, in the actual use process, due to the difference of equipment, it needs to access to different pressure refrigerant gas, and the single refrigerant table set needs to switch high or low pressure, which leads to relatively complicated use, and the single table is not easy to find out in time after damage, thus not meeting the use requirement. SUMMARY

[0003] The utility model discloses in order to solve the above -mentioned technical problems, provide a refrigerant table set with double table and convenient switching.

[0004] The utility model discloses a refrigerant table set, including refrigerant main part and the refrigerant table of setting on refrigerant main part, its characterized in that, refrigerant main part is located at both ends and is provided with low pressure connector and high pressure connector respectively, the number of above -mentioned refrigerant table is two, and is located low pressure connector and high pressure connector respectively, refrigerant main part is located low pressure connector and high pressure connector and is provided with the opening and closing unit that is connected with it and is used for controlling low pressure connector and high pressure connector opening and closing, the outer peripheral wall of refrigerant main part is provided with the control unit that is connected with it and is used for driving opening and closing unit movement.

[0005] In the refrigerant table set, the opening and closing unit includes a three-way ball valve core and a valve rod, the three-way ball valve core is arranged in the refrigerant main body and movably connected with the refrigerant main body, the valve rod is arranged on the three-way ball valve core and connected with the three-way ball valve core, and two assembly holes are formed on the outer peripheral wall of the refrigerant main body at the control unit, for the corresponding valve rod to extend out and install, and the opening and closing unit is connected.

[0006] In the refrigerant table set, the opening and closing unit includes an assembly shell with an assembly cavity, an electromagnetic valve with a control rod, an output gear and two transmission gears, the assembly shell is arranged on the refrigerant main body and connected with the refrigerant main body, the electromagnetic valve is arranged on the assembly shell and connected with the assembly shell, a through hole is formed on the end face of the assembly shell close to the electromagnetic valve, for the control rod to extend into the assembly cavity, the output gear is sleeved on the control rod and connected with the control rod, the two transmission gears are arranged on the corresponding valve rods and connected with the valve rods, and located on the two sides of the output gear.

[0007] The speed reduction unit is arranged between the transmission gear and the output gear and connected with the assembling shell, and comprises a movable rod and a speed reduction gear.

[0008] Compared with the prior art, the refrigerant gauge group can meet the delivery of two different pressures through the arrangement of the high-pressure connector and the low-pressure connector, and the switching is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 is a schematic view of the refrigerant gauge group.

[0010] Figure 2 is a schematic view of the cross-section structure of the assembling shell.

[0011] In the figure, 1 is a refrigerant main body; 2 is a valve rod; 3 is an assembling shell; 4 is an electromagnetic valve; 5 is an output gear; 6 is a transmission gear; 7 is a movable rod; 8 is a speed reduction gear; 9 is a strip-shaped slot; and 10 is an arc-shaped slot. DETAILED DESCRIPTION

[0012] The following is a specific embodiment of the present application combined with the drawings, and the technical scheme of the present application is further described, but the present application is not limited to these embodiments.

[0013] As Figure 1 , Figure 2As shown, the refrigerant table set includes a refrigerant body 1 and refrigerant tables arranged on the refrigerant body 1. The refrigerant body 1 is provided with a low-pressure connector and a high-pressure connector at two ends respectively. The refrigerant tables are two in number and are arranged at the low-pressure connector and the high-pressure connector respectively. The refrigerant body 1 is provided with an opening and closing unit connected thereto and used for controlling the opening and closing of the low-pressure connector and the high-pressure connector at the low-pressure connector and the high-pressure connector. The outer circumferential wall of the refrigerant body 1 is provided with a control unit connected thereto and used for driving the opening and closing unit to move. The opening and closing unit includes a three-way ball valve core and a valve rod 2. The three-way ball valve core is arranged in the refrigerant body 1 and movably connected thereto. The movable connection can be achieved through a ball seat. The valve rod 2 is arranged on the three-way ball valve core and connected thereto. The outer circumferential wall of the refrigerant body 1 at the control unit is provided with two assembly holes for the corresponding valve rod 2 to extend and install and be connected with the opening and closing unit. The refrigerant body 1 at the assembly hole can be provided with a sealing ring. The valve rod 2 is controlled to rotate through the opening and closing unit, so that the three-way ball valve core is synchronously rotated. At the same time, the double refrigerant tables can be detected. The opening and closing unit includes an assembly shell 3 with an assembly cavity, an electromagnetic valve 4 with a control rod, an output gear 5 and two transmission gears 6. The assembly shell 3 is arranged on the refrigerant body 1 and connected thereto. The electromagnetic valve 4 is arranged on the assembly shell 3 and connected thereto. The electromagnetic valve 4 is located at the center of the assembly shell 3. The end face of the assembly shell 3 close to the electromagnetic valve 4 is provided with a through hole for the control rod to extend into the assembly cavity. The output gear 5 is sleeved on the control rod and connected thereto. The output gear 5 is arranged in the assembly shell 3 through the control rod. The two transmission gears 6 are arranged on the corresponding valve rods 2 respectively and connected thereto. The transmission gears 6 are located on the two sides of the output gear 5. The transmission gears 6 are arranged in the assembly shell 3 through the valve rods 2. The assembly shell 3 between the transmission gears 6 and the output gear 5 is provided with a speed reduction unit movably connected with the assembly shell 3 and used for speed reduction. The speed reduction unit includes a movable rod 7 and a speed reduction gear 8. The end face of the assembly shell 3 is provided with an installation hole for the movable rod 7 to extend and install. The movable rod 7 is also provided with a sealing ring between the movable rod 7 and the assembly shell 3. The speed reduction gear 8 is arranged on the movable rod 7 and connected thereto through a bearing. The speed reduction gear 8 is arranged in the assembly shell 3 through the movable rod 7. The movable rod 7 is provided with a clamping block connected thereto on the outer circumferential wall of the assembly shell 3. The end face of the assembly shell 3 at the installation hole is provided with an axially inwardly recessed strip-shaped groove 9 for the clamping block to extend and install. The end face of the assembly shell 3 at the installation hole is also provided with an axially inwardly recessed arc-shaped groove 10 connected with the strip-shaped groove 9 and used for limiting the sliding position of the clamping block. The arc-shaped groove 10 is matched with the curvature of the installation hole. The height of the arc-shaped groove 10 is less than the height of the strip-shaped groove 9. The outer end of the movable rod 7 is provided with a rotating cover connected thereto. The rotating cover and the arc-shaped groove 10 can be provided with limiting holes. A limiting pin shaft is arranged on the rotating cover. The limiting pin shaft can be connected with the rotating cover through a chain. The limiting pin shaft is inserted into the two limiting holes to prevent the rotating cover from rotating when not in use.The assembly shell 3 is provided with a limiting pin shaft on the end face of the reduction gear 8, and the assembly shell 3 and the reduction gear 8 are provided with limiting holes, the limiting pin shaft can facilitate the engagement connection of the reduction gear 8, when the connection is completed, the limiting pin shaft can be pulled out to be separated from the reduction gear 8, when the refrigerant main body 1 is not used, the clamping block of the movable rod 7 is located on the arc-shaped groove 10, when it is needed to be used, the movable rod 7 is rotated through the rotating cover, the clamping block is slid to the strip-shaped groove 9, and the clamping block is pressed downward, so that the movable rod 7 drives the reduction gear 8 to be pressed downward synchronously, and the reduction gear 8 is engaged and connected with the transmission gear 6 and the output gear 5, the electromagnetic valve 4 can control the rotation of the output gear 5, drive the reduction gear 8 and the transmission gear 6 to rotate, and achieve the opening and closing control of the three-way ball valve core, when it is needed to switch, the movable rod 7 is pulled out, the reduction gear 8 is separated from the engagement state, the clamping block located at the strip-shaped groove 9 is pulled to the arc-shaped groove 10, and the arc-shaped groove 10 is rotated to the arc-shaped groove 10, and the other reduction unit is controlled to repeat the above operation.

[0014] The specific embodiments described herein merely exemplify the spirit of the present application. Those skilled in the art to which the present application pertains can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0015] Although the terms are used more in this paper, but does not exclude the possibility of using other terms. Use of these terms is only to facilitate the description and explanation of the essence of the present application; any additional limitations are contrary to the spirit of the present application.

Claims

1. A thermometer set for a coolant, comprising a coolant main body (1) and a thermometer provided on the coolant main body (1), characterized in that, The refrigerant body (1) is provided with low pressure joint and high pressure joint at both ends, the refrigerant table is two, and is provided at low pressure joint and high pressure joint respectively, the refrigerant body (1) is provided with opening and closing unit connected with it and used for controlling the opening and closing of low pressure joint and high pressure joint at low pressure joint and high pressure joint, the outer peripheral wall of the refrigerant body (1) is provided with control unit connected with it and used for driving the movement of opening and closing unit.

2. A set of tables for refrigerants as claimed in claim 1, characterized in that The opening and closing unit includes three-way ball valve core and valve rod (2), the three-way ball valve core is arranged in the refrigerant body (1) and is movably connected with it, the valve rod (2) is arranged on the three-way ball valve core and is connected with it, the outer peripheral wall of the refrigerant body (1) is provided with two assembly holes at the control unit for corresponding valve rod (2) to extend and install and matched with the opening and closing unit.

3. A set of tables for refrigerants as claimed in claim 2, characterized in that The opening and closing unit includes assembly shell (3) with assembly cavity, electromagnetic valve (4) with control rod, output gear (5) and two transmission gears (6), the assembly shell (3) is arranged on the refrigerant body (1) and is connected with it, the electromagnetic valve (4) is arranged on the assembly shell (3) and is connected with it, the end face of the assembly shell (3) is provided with a through hole for the control rod to extend into the assembly cavity, the output gear (5) is sleeved on the control rod and is connected with it, two transmission gears (6) are arranged on corresponding valve rods (2) respectively and are connected with them, and are located on the both sides of the output gear (5) outside.

4. A set of tables for refrigerants as claimed in claim 3, characterized in that The assembly shell (3) is provided with a speed reduction unit movably connected with the assembly shell (3) and used for speed reduction between the transmission gear (6) and the output gear (5), the speed reduction unit includes movable rod (7) and speed reduction gear (8), the end face of the assembly shell (3) is provided with a mounting hole for the movable rod (7) to extend and install, the speed reduction gear (8) is arranged on the movable rod (7) and is connected with it, the movable rod (7) is provided with a clamping block connected with it on the outer peripheral wall of the assembly shell (3), the end face of the assembly shell (3) is provided with a strip-shaped groove (9) for the clamping block to extend and install at the mounting hole, the end face of the assembly shell (3) is further provided with an arc-shaped groove (10) axially recessed inward and communicated with the strip-shaped groove (9), and used for limiting the position of the clamping block after sliding, and the outer end of the movable rod (7) is provided with a rotating cover connected with it.

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