Vacuum liquid filling equipment for pressure gauge

Abstract

The utility model relates to the technical field of vacuum liquid filling of pressure gauges, in particular to vacuum liquid filling equipment of a pressure gauge, which is provided with a filtering mechanism and a replacing mechanism, so that impurities in filling liquid can be filtered in the vacuum liquid filling process of the pressure gauge, and a filter element can be replaced more quickly; comprising a negative pressure mechanism; the device further comprises a connecting mechanism, a filtering mechanism, two replacing mechanisms and a stirring mechanism, the connecting mechanism is installed at the right end of the negative pressure mechanism, the filtering mechanism is installed at the left end of the negative pressure mechanism, the two replacing mechanisms are installed in the filtering mechanism, and the stirring mechanism is installed at the left end of the filtering mechanism; the negative pressure mechanism performs negative pressure, the connecting mechanism performs connection, the filtering mechanism performs filtering, the replacing mechanism is convenient to disassemble and replace, and the stirring mechanism performs stirring and mixing.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum liquid filling of pressure gauges, in particular to vacuum liquid filling equipment for pressure gauges. Background Art

[0002] The pressure gauge vacuum filling equipment is a device specially used for vacuum filling of pressure gauges. Its main function is to fill the pressure gauge with an appropriate amount of liquid in a specific vacuum environment to ensure the accuracy and stability of the pressure gauge.

[0003] Among the existing pressure gauge vacuum filling devices, for example, a pressure gauge vacuum filling device disclosed in the utility model patent with application number 201120321586.3 has good oil filling effect, is easy to operate, and can improve the performance of the pressure gauge.

[0004] However, during the vacuum filling process of the pressure gauge, impurities may exist in the oil, thus affecting the filling effect. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a pressure gauge vacuum filling device which can filter impurities in the filling liquid during the vacuum filling process of the pressure gauge and can replace the filter element more quickly by setting a filtering mechanism and a replacement mechanism.

[0006] The utility model discloses a pressure gauge vacuum liquid filling device, comprising a negative pressure mechanism; a connecting mechanism, a filtering mechanism, two groups of replacement mechanisms and a stirring mechanism, wherein the connecting mechanism is installed at the right end of the negative pressure mechanism, the filtering mechanism is installed at the left end of the negative pressure mechanism, the two groups of replacement mechanisms are installed in the filtering mechanism, and the stirring mechanism is installed at the left end of the filtering mechanism;

[0007] The negative pressure mechanism applies negative pressure, the connecting mechanism performs connection, the filtering mechanism performs filtering, the replacement mechanism facilitates disassembly and replacement, and the stirring mechanism performs stirring and mixing; the negative pressure mechanism is connected to the material through the connecting mechanism, negative pressure is formed in the equipment by opening the negative pressure mechanism, the filling liquid is stirred and mixed by opening the stirring mechanism, the filling liquid in the stirring mechanism is filled into the material by releasing the pressure on the equipment, and impurities in the filling liquid are filtered by the filtering mechanism at the same time, and the filter element is replaced by opening the replacement mechanism, so that impurities in the filling liquid can be filtered during the vacuum filling process of the pressure gauge, and the filter element can be replaced more quickly.

[0008] Preferably, the negative pressure mechanism includes a negative pressure chamber and a vacuum pump, and the vacuum pump is installed at the upper end of the negative pressure chamber; negative pressure is created in the device by turning on the vacuum pump.

[0009] Preferably, the connecting mechanism includes a liquid pipe and multiple groups of connecting heads, the liquid pipe is installed at the right end of the negative pressure bin, and the multiple groups of connecting heads are installed at the lower end of the liquid pipe; the material is connected through the connecting head, and the material is connected with the equipment through the liquid pipe.

[0010] Preferably, the filtering mechanism includes two groups of three-way pipe valves, two groups of conduits and two groups of filter elements. The two groups of three-way pipe valves are connected by two groups of conduits, each group of conduits is filled with a group of filter elements, and the output end of one group of three-way pipe valves is connected to the inside of the negative pressure chamber; the three-way pipe valve allows the equipment to replace the filter element during operation, and the filling liquid is filtered through the filter element.

[0011] Preferably, the replacement mechanism includes a coil, a screw, a filter element frame and a sealing cover plate, the coil is rotatably installed on the conduit, the screw is installed on the upper end of the coil, the filter element frame is slidably installed in the conduit, and the filter element frame and the screw are threadedly matched, and the sealing cover plate is installed on the upper end of the filter element frame; the screw is rotated by rotating the coil, and the screw rotates and simultaneously threads with the filter element frame to cause the filter element frame to rise to discharge the filter element.

[0012] Preferably, the stirring mechanism includes a liquid bin, a stirring shaft and a motor. The liquid bin is installed at the left end of another set of three-way pipe valves. The stirring shaft is rotatably installed in the liquid bin, and the input end of the stirring shaft extends to the lower side of the liquid bin. The motor is installed at the lower end of the liquid bin, and the output end of the motor is connected to the input end of the stirring shaft. The stirring shaft is driven by turning on the motor to rotate to stir and mix the filling liquid.

[0013] Compared with the prior art, the utility model has the following beneficial effects: connecting with the material through the connecting mechanism, forming negative pressure in the equipment by opening the negative pressure mechanism, stirring and mixing the filling liquid by opening the stirring mechanism, filling the filling liquid in the stirring mechanism into the material by releasing the pressure of the equipment, filtering impurities in the filling liquid by the filtering mechanism, replacing the filter element by opening the replacement mechanism, so that during the vacuum filling process of the pressure gauge, impurities in the filling liquid can be filtered, and the filter element can be replaced more quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0015] Figure 2 It is a second axonometric structural schematic diagram of the utility model;

[0016] Figure 3 It is a schematic diagram of the front view and section axonometric structure of the utility model;

[0017] Figure 4 It is a left-side sectional axonometric structural schematic diagram of the utility model;

[0018] Markings in the attached drawings: 1. negative pressure mechanism; 11. negative pressure chamber; 12. vacuum pump; 2. connecting mechanism; 21. liquid pipe; 22. connecting head; 3. filtering mechanism; 31. three-way valve pipe; 32. conduit; 33. filter element; 4. replacement mechanism; 41. spiral tube; 42. screw; 43. filter element holder; 44. sealing cover plate; 5. stirring mechanism; 51. liquid chamber; 52. stirring shaft; 53. motor. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0020] Example 1

[0021] like Figures 1 to 4 As shown, it includes a negative pressure mechanism 1, a connecting mechanism 2, a filtering mechanism 3, two sets of replacement mechanisms 4 and a stirring mechanism 5, the connecting mechanism 2 is installed at the right end of the negative pressure mechanism 1, the filtering mechanism 3 is installed at the left end of the negative pressure mechanism 1, the two sets of replacement mechanisms 4 are installed in the filtering mechanism 3, and the stirring mechanism 5 is installed at the left end of the filtering mechanism 3;

[0022] The negative pressure mechanism 1 performs negative pressure, the connecting mechanism 2 performs connection, the filtering mechanism 3 performs filtering, the replacement mechanism 4 facilitates removal and replacement, and the stirring mechanism 5 performs stirring and mixing;

[0023] The negative pressure mechanism 1 comprises a negative pressure chamber 11 and a vacuum pump 12, wherein the vacuum pump 12 is mounted on the upper end of the negative pressure chamber 11;

[0024] The connecting mechanism 2 includes a liquid pipe 21 and a plurality of connectors 22. The liquid pipe 21 is installed at the right end of the negative pressure chamber 11, and the plurality of connectors 22 are installed at the lower end of the liquid pipe 21.

[0025] The filtering mechanism 3 includes two sets of three-way pipe valves 31, two sets of conduits 32 and two sets of filter elements 33. The two sets of three-way pipe valves 31 are connected through two sets of conduits 32. Each set of conduits 32 is filled with a set of filter elements 33. The output end of one set of three-way pipe valves 31 is connected to the inside of the negative pressure chamber 11.

[0026] The replacement mechanism 4 includes a spiral tube 41, a screw 42, a filter element frame 43 and a sealing cover plate 44. The spiral tube 41 is rotatably mounted on the guide tube 32, the screw 42 is mounted on the upper end of the spiral tube 41, the filter element frame 43 is slidably mounted in the guide tube 32, and the filter element frame 43 and the screw 42 are threadedly matched, and the sealing cover plate 44 is mounted on the upper end of the filter element frame 43;

[0027] The stirring mechanism 5 includes a liquid tank 51, a stirring shaft 52 and a motor 53. The liquid tank 51 is installed at the left end of another set of three-way pipe valves 31. The stirring shaft 52 is rotatably installed in the liquid tank 51, and the input end of the stirring shaft 52 extends to the lower side of the liquid tank 51. The motor 53 is installed at the lower end of the liquid tank 51, and the output end of the motor 53 is connected to the input end of the stirring shaft 52.

[0028] The material is connected through the connector 22, the material is connected to the equipment through the liquid pipe 21, negative pressure is formed in the equipment by turning on the vacuum pump 12, the stirring shaft 52 is driven by turning on the motor 53 to rotate the stirring shaft 52 to stir and mix the filling liquid, the filling liquid in the liquid bin 51 is filled into the material by releasing the pressure of the equipment, and the filter element of the equipment can be replaced during operation through the three-way pipe valve 31, the filling liquid is filtered through the filter element 33, the screw 42 is rotated by rotating the spiral tube 41, and the screw 42 rotates while threading with the filter element frame 43 to make the filter element frame 43 rise to discharge the filter element, so that during the vacuum filling process of the pressure gauge, impurities in the filling liquid can be filtered, and the filter element can be replaced more quickly.

[0029] like Figures 1 to 4 As shown, a pressure gauge vacuum liquid filling device of the utility model is connected to the material through the connector 22 during operation, the material is connected to the device through the liquid pipe 21, negative pressure is formed in the device by turning on the vacuum pump 12, the stirring shaft 52 is driven by turning on the motor 53 to rotate the stirring shaft 52 to stir and mix the filling liquid, the filling liquid in the liquid bin 51 is filled into the material by releasing the pressure of the device, and the filter element of the device can be replaced during operation through the three-way pipe valve 31, the filling liquid is filtered through the filter element 33, the screw 42 is rotated by rotating the spiral tube 41, and the screw 42 rotates while threadedly engaging with the filter element holder 43 to raise the filter element holder 43 to discharge the filter element.

[0030] The vacuum pump 12 and the motor 53 of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manuals, without the need for technicians in the field to make creative efforts.

[0031] The main function achieved by the utility model is: during the vacuum filling process of the pressure gauge, by arranging the filtering mechanism and the replacing mechanism, the impurities in the filling liquid can be filtered during the vacuum filling process of the pressure gauge, and the filter element can be replaced more quickly.

[0032] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A pressure gauge vacuum liquid filling device, comprising a negative pressure mechanism (1); characterized in that: It also comprises a connecting mechanism (2), a filtering mechanism (3), two sets of replacement mechanisms (4) and a stirring mechanism (5), wherein the connecting mechanism (2) is mounted at the right end of the negative pressure mechanism (1), the filtering mechanism (3) is mounted at the left end of the negative pressure mechanism (1), the two sets of replacement mechanisms (4) are mounted in the filtering mechanism (3), and the stirring mechanism (5) is mounted at the left end of the filtering mechanism (3); The negative pressure mechanism (1) produces negative pressure, the connecting mechanism (2) performs connection, the filtering mechanism (3) performs filtering, the replacement mechanism (4) facilitates removal and replacement, and the stirring mechanism (5) performs stirring and mixing.

2. A pressure gauge vacuum liquid filling device as claimed in claim 1, characterized in that: The negative pressure mechanism (1) comprises a negative pressure chamber (11) and a vacuum pump (12), wherein the vacuum pump (12) is installed at the upper end of the negative pressure chamber (11).

3. A pressure gauge vacuum liquid filling device as claimed in claim 2, characterized in that: The connecting mechanism (2) comprises a liquid pipe (21) and a plurality of connecting heads (22); the liquid pipe (21) is installed at the right end of the negative pressure chamber (11), and the plurality of connecting heads (22) are installed at the lower end of the liquid pipe (21).

4. A pressure gauge vacuum liquid filling device as claimed in claim 2, characterized in that: The filtering mechanism (3) comprises two groups of three-way pipe valves (31), two groups of conduits (32) and two groups of filter elements (33); the two groups of three-way pipe valves (31) are connected via the two groups of conduits (32); each group of conduits (32) is filled with a group of filter elements (33); and the output end of one group of three-way pipe valves (31) is connected to the interior of the negative pressure chamber (11).

5. A pressure gauge vacuum liquid filling device as claimed in claim 4, characterized in that: The replacement mechanism (4) comprises a spiral tube (41), a screw (42), a filter element frame (43) and a sealing cover plate (44); the spiral tube (41) is rotatably mounted on the guide tube (32); the screw (42) is mounted on the upper end of the spiral tube (41); the filter element frame (43) is slidably mounted in the guide tube (32); the filter element frame (43) and the screw (42) are threadedly matched; and the sealing cover plate (44) is mounted on the upper end of the filter element frame (43).

6. A pressure gauge vacuum liquid filling device as claimed in claim 4, characterized in that: The stirring mechanism (5) comprises a liquid bin (51), a stirring shaft (52) and a motor (53). The liquid bin (51) is mounted at the left end of another set of three-way pipe valves (31). The stirring shaft (52) is rotatably mounted in the liquid bin (51), and the input end of the stirring shaft (52) extends to the lower side of the liquid bin (51). The motor (53) is mounted at the lower end of the liquid bin (51), and the output end of the motor (53) is connected to the input end of the stirring shaft (52).

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