CN204240047U - Nitrogen charging device - Google Patents

Abstract

The utility model provides a nitrogen charging device. The nitrogen charging device includes: a mounting base, a plurality of mounting holes are arranged at intervals on the mounting base; on the substrate. The nitrogen charging device has good versatility.

Description

Nitrogen filling device

technical field

The utility model relates to the field of nitrogen charging auxiliary equipment for air conditioners, in particular to a nitrogen charging device.

Background technique

Due to the large number of production models of existing finned tube air-conditioning heat exchangers, there are differences in the number of circuits of different models, the front and rear positions of the nitrogen filling port, the left and right positions of the nitrogen filling port, and the height of the nitrogen filling port, etc. In the nitrogen charging operation of the type air-conditioning heat exchanger, each model needs a kind of tooling, and there are many types of tooling, which makes it necessary to search and match among many toolings during operation, which is inconvenient to search, slow in switching speed, and poor in positioning accuracy. Poor accuracy.

Utility model content

The utility model aims to provide a nitrogen charging device to solve the problem of poor versatility of the nitrogen charging device in the prior art.

In order to achieve the above object, according to one aspect of the utility model, a nitrogen charging device is provided, which includes: a mounting base, a plurality of mounting holes are arranged at intervals on the mounting base; There is a mounting column matched with the mounting hole, and the nitrogen filling block is detachably arranged on the mounting base through the mounting column.

Further, the installation base is also provided with a magnet, the magnet is fixedly arranged in the installation base, the installation post is a magnetic conductor, and the installation post extends into the installation hole and is fixed by the magnet.

Further, the mounting base includes a first side and a second side that are oppositely arranged, and the mounting base is provided with a first through hole penetrating through the mounting base, the first through hole extends from the first side to the second side, and the magnet is embedded in the first through hole Inside, the axis of the mounting hole is perpendicular to the extending direction of the first through hole.

Further, the installation base further includes a hoisting structure, the hoisting structure is fixedly arranged at both ends of the installation base in the length direction, and the hoisting structure includes a hoisting ring.

Further, the hoisting structure further includes fixing bolts, positioning through holes through which the fixing bolts pass are arranged on the lifting ring, and the fixing bolts pass through the positioning through holes and fix the lifting ring on the installation base.

Further, the nitrogen filling block includes: a base, on which the installation column is fixedly arranged; a nitrogen filling pipe, on which the nitrogen filling pipe is arranged, and the nitrogen filling pipe has a nitrogen filling channel.

Further, the base is provided with two positioning protrusions arranged at intervals, an installation slot is formed between the two positioning protrusions, the installation base extends into the installation slot, and the two positioning protrusions respectively stop at the two sides of the installation base. On the side, the mounting column is fixedly arranged at the bottom of the mounting card slot.

Further, the base is provided with a second through hole passing through the base, and the nitrogen filling pipe passes through the second through hole and is fixed on the base.

Further, the second through hole is a threaded hole, the nitrogen filling pipe has a threaded connection section, the nitrogen filling pipe is fixed on the base through the threaded connection section, and the end of the threaded connection section protrudes from the base.

Further, the installation base has at least two working surfaces, and the two working surfaces are provided with installation holes, and the distance between two adjacent installation holes on one of the working surfaces is the same as the distance between two adjacent installation holes on the other working surface. The spacing between the mounting holes is different.

Applying the technical scheme of the utility model, the nitrogen charging device includes a mounting base and a nitrogen filling block, and a plurality of mounting holes are arranged at intervals on the mounting base; a mounting column matched with the mounting hole is provided on the nitrogen filling block, and the nitrogen filling block passes through the mounting column It is detachably arranged on the mounting base. The installation base is used to install the nitrogen filling block. The multiple installation holes set at intervals can meet different nitrogen filling requirements and improve the versatility. The nitrogen filling block is used to fill nitrogen to the structure that needs nitrogen filling. The nitrogen filling port of the nitrogen filling port is correspondingly set and communicated to fill it with nitrogen, and the nitrogen filling block is detachably connected so that the position of the nitrogen filling block can be easily adjusted to improve versatility.

Description of drawings

The accompanying drawings constituting a part of the utility model are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 shows the three-dimensional structure schematic diagram of the nitrogen charging device of the embodiment of the present utility model;

Figure 2 shows a partial enlarged view of the nitrogen charging device in Figure 1; and

Fig. 3 shows a schematic perspective view of the three-dimensional structure of the nitrogen charging block of the nitrogen charging device according to the embodiment of the present invention.

Description of reference signs: 10, installation base; 11, installation hole; 12, first through hole; 20, nitrogen filling block; 21, installation column; 22, base; 221, positioning protrusion; 23, nitrogen filling pipe; 231 . Nitrogen filling channel; 232. Tapered nozzle part; 30. Magnet; 41. Lifting ring; 42. Fixing bolt.

Detailed ways

Hereinafter, the utility model will be described in detail with reference to the accompanying drawings and embodiments. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

As shown in Figures 1 to 3, according to an embodiment of the present utility model, the nitrogen filling device includes an installation base 10 and a nitrogen filling block 20, and a plurality of installation holes 11 are arranged at intervals on the installation base 10; The installation hole 11 is matched with the installation column 21 , and the nitrogen filling block 20 is detachably arranged on the installation base 10 through the installation column 21 . The installation base 10 is used to install the nitrogen filling block 20. The multiple installation holes 11 arranged at intervals can adapt to different nitrogen filling requirements and improve the versatility. The nitrogen filling block 20 is used to charge nitrogen to the structure that needs nitrogen filling. The nitrogen filling block 20 The nitrogen filling port of the structure to be filled with nitrogen is correspondingly provided and communicated to fill it with nitrogen. The nitrogen filling block 20 is detachably connected, and the position of the nitrogen filling block 20 can be easily adjusted to improve versatility.

Preferably, in order to ensure the connection between the nitrogen filling block 20 and the installation base 10 is stable, and to ensure the safety during the nitrogen filling process, the installation base 10 is also provided with a magnet 30, the magnet 30 is fixed in the installation base 10, and the installation column 21 is a magnetic The conductor, the mounting post 21 extends into the mounting hole 11 and is absorbed and fixed by the magnet 30 . The nitrogen-filling block 20 is fixed by the magnetic attraction force of the magnet 30, which can not only ensure that the two are firmly connected, but also can easily disassemble the nitrogen-filling block 20. At the same time, the structure of the installation base 10 and the nitrogen-filling block 20 will not be damaged during the disassembly process, which can ensure It can be reused many times, which is environmentally friendly and cost-saving.

In this embodiment, the mounting base 10 is a rod with a rectangular cross-section. The installation base 10 includes a first side and a second side oppositely arranged, the installation base 10 is provided with a first through hole 12 penetrating the installation base 10, the first through hole 12 extends from the first side to the second side, and the magnet 30 is embedded in the second side. In a through hole 12 , the axis of the installation hole 11 is perpendicular to the extending direction of the first through hole 12 . The magnet 30 is installed through the first through hole 12, so that the magnet can be easily disassembled and replaced.

It should be noted that the structure for accommodating the magnet on the mounting base 10 may be not the first through hole 12 but a groove or the like, as long as the mounting post 21 can be absorbed.

The mounting base 10 has at least two working surfaces, and the two working surfaces are provided with mounting holes 11, and the distance between two adjacent mounting holes 11 on one working surface is the same as that of the adjacent two mounting holes 11 on the other working surface. The spacing between the mounting holes 11 is different. In this way, it can be applied to different nitrogen filling gaps, and the applicability is stronger.

In other embodiments, the nitrogen filling block 20 can be fixed on the installation base 10 in other ways, for example, the installation hole 11 is set as a threaded hole, and the mounting column 21 is set as a threaded column accordingly, which can also realize the nitrogen filling block 20 fixed.

Preferably, in order to conveniently install the nitrogen charging device and facilitate nitrogen charging, the installation base 10 further includes a hoisting structure fixedly arranged at both ends of the installation base 10 in the length direction, and the hoisting structure includes a hoisting ring 41 . The installation base 10 is hoisted by the lifting ring 41 to facilitate the nitrogen filling operation.

Preferably, in order to facilitate maintenance and replacement of the lifting ring 41, the lifting structure also includes a fixing bolt 42, and the fixing bolt 42 is also provided with a positioning through hole for passing the fixing bolt 42 on the lifting ring 41, and the fixing bolt 42 passes through the positioning through hole and fixes the lifting ring 41 on the Installed on base 10.

Referring to FIG. 3 , in this embodiment, the nitrogen filling block 20 includes a base 22 and a nitrogen filling pipe 23 . The mounting column 21 is fixedly arranged on the base 22 . The nitrogen filling pipe 23 is arranged on the base 22 , and the nitrogen filling pipe 23 has a nitrogen filling channel 231 . The base 22 is used for installing a nitrogen filling pipe 23 .

Preferably, in order to accurately position the nitrogen filling block 20, the base 22 is provided with two spaced positioning protrusions 221, and an installation slot is formed between the two positioning protrusions 221, and the installation base 10 extends into the installation slot , the two positioning protrusions 221 respectively stop on both sides of the installation base 10, and the installation column 21 is fixedly arranged at the bottom of the installation card groove. The base 22 can be positioned by two positioning protrusions 221 .

In order to be able to install the nitrogen filling pipe 23, the base 22 is provided with a second through hole that runs through the base 22, and the nitrogen filling pipe 23 passes through the second through hole and is fixed on the base 22, so that the nitrogen filling pipe 23 can be easily replaced, which is convenient Maintenance can save maintenance cost.

Preferably, for the convenience of connection, the second through hole is a threaded hole, the nitrogen filling pipe 23 has a threaded connection section, the nitrogen filling pipe 23 is fixed on the base 22 through the threaded connection section, and the end of the threaded connection section protrudes from the base 22 . A section of the threaded connection section protruding from the base 22 can form a connection joint, so as to be able to be connected with the nitrogen filling pipeline.

The nitrogen charging pipe 23 also includes a conical nozzle portion 232 located at an end away from the threaded connection section, and the cross-sectional area of the conical nozzle portion 232 increases gradually along the direction of the threaded connection section. This can form a good guide, making it easier for the nitrogen filling pipe 23 to cooperate with the nitrogen filling port of the structure to be filled with nitrogen. The nitrogen filling pipe 23 can be connected with flexible pipes for convenience.

When nitrogen filling is carried out through the nitrogen charging device, if it is used for the first time, the nitrogen charging device is first assembled, the magnet 30 is fixed in the first through hole 12 of the installation base 10, and the installation column 21 of the nitrogen charging block 20 is fastened. On the base 22 , the base 22 is connected to the nitrogen filling pipe 23 , and the suspension ring 41 is fixed on the installation base 10 through the fixing bolts 42 .

After the nitrogen filling device is assembled, the installation base 10 is suspended by the suspension rings 41 at both ends. According to the hole spacing specifications of the finned tube air-conditioning heat exchanger, determine the direction of the corresponding hole spacing of the nitrogen filling device. Then, according to the circuit arrangement and the number of circuits of the fin-tube air-conditioning heat exchangers with different specifications, install the nitrogen-filling blocks 20 corresponding to the number of circuits in the corresponding installation holes 11 . Connect the nitrogen filling block 20 with the nitrogen supply pipeline, and open the gas valve of the installed nitrogen filling block 20 to perform the nitrogen filling operation. When switching tooling, firstly close each gas valve, and also adjust the position of the nitrogen filling block 20 according to the above steps.

From the above description, it can be seen that the above-mentioned embodiments of the utility model have achieved the following technical effects: the installation base is the carrier of other parts to realize installation and positioning; the nitrogen filling block is connected to the installation base through the installation column; The magnet is installed in the installation base to absorb and fix the installation column; the lifting ring is designed to realize the hanging operation of the installation base; the nitrogen filling pipe is connected with the nitrogen filling block, which is a nitrogen flow pipeline.

The nitrogen charging device has a simple structure, and realizes the universal use of different specifications of finned tube air-conditioning heat exchangers through an integrated multi-faceted structure, and realizes precise positioning through the matching positioning of mounting holes, mounting columns, mounting bases and mounting card slots, and uses magnets The way of connection achieves the purpose of fixing and preventing falling off. Realize the general purpose of nitrogen filling device, and achieve the effect of precise positioning and fast switching of tooling. One nitrogen charging device can meet the needs of all models; it has good versatility and saves the time for switching and searching the nitrogen charging device; the positioning distance of the nitrogen charging device is consistent with each model to achieve matching positioning.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. A nitrogen charging device, characterized in that, comprising: Installing the base body (10), the mounting base body (10) is provided with a plurality of mounting holes (11) at intervals; A nitrogen filling block (20), the nitrogen filling block (20) is provided with a mounting post (21) matching the mounting hole (11), and the nitrogen filling block (20) passes through the mounting post (21) It is detachably arranged on the installation base (10). 2. The nitrogen charging device according to claim 1, characterized in that, the installation base (10) is also provided with a magnet (30), and the magnet (30) is fixedly arranged in the installation base (10) , the mounting column (21) is a magnetic conductor, and the mounting column (21) extends into the mounting hole (11) and is fixed by the magnet (30). 3. The nitrogen charging device according to claim 2, characterized in that, the installation base (10) includes a first side and a second side oppositely arranged, and the installation base (10) is provided with The first through hole (12) of the base body (10), the first through hole (12) extends from the first side to the second side, and the magnet (30) is embedded in the first through hole (12 ), the axis of the mounting hole (11) is perpendicular to the extending direction of the first through hole (12). 4. The nitrogen filling device according to claim 1, characterized in that, the installation base (10) further includes a hoisting structure, and the hoisting structure is fixedly arranged at both ends of the installation base (10) in the length direction , the lifting structure includes a lifting ring (41). 5. The nitrogen filling device according to claim 4, characterized in that, the hoisting structure further includes fixing bolts (42), and the lifting ring (41) is also provided with a hole for the fixing bolts (42) to pass through. A positioning through hole, the fixing bolt (42) passes through the positioning through hole and fixes the suspension ring (41) on the installation base (10). 6. The nitrogen filling device according to claim 1, characterized in that, the nitrogen filling block (20) comprises: a base (22), the mounting column (21) is fixedly arranged on the base (22); A nitrogen filling pipe (23), the nitrogen filling pipe (23) is arranged on the base (22), and the nitrogen filling pipe (23) has a nitrogen filling channel (231). 7. The nitrogen charging device according to claim 6, characterized in that, the base (22) is provided with two positioning protrusions (221) arranged at intervals, and the space between the two positioning protrusions (221) is An installation card slot is formed, the installation base (10) extends into the installation card slot, and the two positioning protrusions (221) respectively stop on both sides of the installation base (10), and the installation column (21) fixedly arranged at the bottom of the installation card slot. 8. The nitrogen filling device according to claim 6, characterized in that, the base (22) is provided with a second through hole passing through the base (22), and the nitrogen filling pipe (23) passes through the the second through hole and be fixed on the base (22). 9. The nitrogen filling device according to claim 8, characterized in that, the second through hole is a threaded hole, the nitrogen filling pipe (23) has a threaded connection section, and the nitrogen filling pipe (23) passes through the The threaded connection section is fixed on the base (22), and the end of the threaded connection section protrudes from the base (22). 10. The nitrogen charging device according to claim 1, characterized in that, the installation base (10) has at least two working surfaces, and the installation holes (11) are provided on the two working surfaces, and The distance between two adjacent mounting holes (11) on one of the working surfaces is different from the distance between two adjacent mounting holes (11) on the other working surface.