CN212962317U

CN212962317U - Filtering device of refrigerant recovery filling machine

Info

Publication number: CN212962317U
Application number: CN202021599198.7U
Authority: CN
Inventors: 祝清
Original assignee: Hubei Tailu Technology Co ltd
Current assignee: Hubei Tailu Technology Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-04-13
Anticipated expiration: 2030-08-04

Abstract

The utility model relates to a technical field is retrieved to the refrigerant, a filter equipment of filling machine is retrieved to refrigerant is disclosed, including the holding chamber, the setting is at forward entry and the reverse entry at holding chamber both ends, the holding intracavity is fixed with a plurality of filter assembly of group, filter assembly includes filter one, filter two, form the airflow channel that the width reduces gradually between along airflow direction filter one, form the airflow channel two that the width enlarges gradually between filter two, be provided with V type adsorption plate between filter one and the filter two, holding chamber top can be dismantled and be connected with sealed lid, V type adsorption plate rotates to be connected on sealed lid, holding chamber bottom is provided with the oil trap. The utility model has the advantages of it is following and effect: the gaseous refrigerant is relatively large in impurity accessible and the mechanical collision of one-level filter plate and second grade filter plate carries out oil-gas separation, and tiny impurity accessible V type adsorption plate adsorbs, can reach good filter effect through multi-stage filtration.

Description

Filtering device of refrigerant recovery filling machine

Technical Field

The utility model relates to a refrigerant recovery technical field, in particular to filter equipment of filling machine is retrieved to refrigerant.

Background

The refrigerant recycling and filling machine can clean the interior of the automobile air conditioning system, bring out the refrigeration oil, metal impurities and other residues in the automobile air conditioning system, and thoroughly clean the system. The forward or bidirectional cleaning (the forward and reverse of the equipment are alternatively performed) can be selected. The forward cleaning refers to filling liquid refrigerant from a low-pressure end of the automobile air conditioner and recovering the liquid refrigerant from a high-pressure end; the reverse cleaning is to fill liquid refrigerant from the high-pressure end of the automobile air conditioner and recover the refrigerant from the low-pressure end. The washing time may be set to 10-60 minutes. The recommended cleaning time of an automobile with the refrigerant quantity of the automobile air conditioner of about 500 g is set to 30 minutes; in the system with refrigerant amount over 1 kg for automobile air conditioning system, the recommended cleaning time is 60 min. The equipment automatically recovers the refrigerant after cleaning. The bidirectional cleaning effect is better for a plurality of automobile air conditioning systems, particularly double air conditioning systems.

The filter used for cleaning the refrigerant at present usually consists of a cylinder body, a first-stage separator and a second-stage separator, wherein the first-stage separator is usually a stainless steel filter screen for removing oil by using a mechanical collision method, the second-stage separator is a filter cylinder made of superfine glass fiber materials, the filter is large in size, only two-stage separation is carried out, and the separation effect is poor; the oil-gas mixture usually enters the filter from the bottom and then exits from the top, only suitable for one-way filtration.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a filter equipment of filling machine is retrieved to refrigerant has that filtration efficiency is high, clean effectual, can two-way filterable effect.

The above technical purpose of the present invention can be achieved by the following technical solutions: including holding chamber, setting be in the forward entry and the reverse entry at holding chamber both ends, the holding intracavity is fixed with a plurality of filter assembly of group, filter assembly is including fixing two slope filter one, two slope filter two at holding intracavity wall, form the airflow channel one that the width reduces gradually between the slope filter one, form the airflow channel two that the width enlarges gradually between the slope filter two, be provided with V type adsorption plate between slope filter one and the slope filter two, holding chamber top can be dismantled and be connected with sealed lid, V type adsorption plate rotates to be connected on sealed covering, holding chamber bottom is provided with the oil trap.

By adopting the technical scheme, when the automobile air conditioning system is cleaned in the forward direction, the gaseous refrigerant carries the refrigeration oil, metal impurities and the like to enter the accommodating cavity from the forward inlet, and after the impurities are filtered by the filtering component, the clean gaseous refrigerant is discharged from the reverse inlet; the filter assembly comprises a first filter plate, a second filter plate and a V-shaped adsorption plate, gaseous refrigerants firstly pass through the first air flow channel after entering from a forward inlet, the width of the first air flow channel is gradually reduced, the air flows collide against the first filter plate, liquid oil and solid impurities in the air flows are subjected to primary separation, then the air flows are intensively guided into the V-shaped adsorption plate by the filter plate, the air flows are subjected to secondary filtration by the V-shaped adsorption plate, the air flowing out of a gap between the V-shaped adsorption plate and the first filter plate flows through the second filter plate to be subjected to tertiary filtration, and the air flows can form vortex at a V-shaped included angle between the second filter plate and the inner wall of the accommodating cavity, so that small liquid drops and fine dust fall down after colliding with each other to; a plurality of groups of filtering assemblies are arranged in the accommodating cavity, gaseous refrigerants can be discharged after being filtered in multiple stages, and the filtering effect is good; the resistance of the filter plate I, the filter plate II and the V-shaped adsorption plate to the airflow is small, the pressure drop of the airflow is small, and the filtering efficiency is high; the filtering device has the advantages of simple structure, difficult blockage and long service life.

The utility model discloses a further set up to: the V-shaped adsorption plate is fixedly provided with a rotating shaft which is rotatably connected to the sealing cover, a gear is fixed at the upper end of the rotating shaft, and the sealing cover is slidably connected with a rack which is meshed with the gear.

By adopting the technical scheme, the opening end of the V-shaped adsorption plate faces to the forward inlet when forward filtration is carried out; when reverse filtration, promote the rack and can drive gear revolve to drive the epaxial V type adsorption plate rotation 180 through the gear, make the open end of V type adsorption plate towards reverse entry, convenient operation can realize two-way filtration.

The utility model discloses a further set up to: the rack is provided with a locking hole and a bolt inserted in the locking hole, and the sealing cover is provided with two locking grooves for the bolt to be embedded in.

Through adopting above-mentioned technical scheme, rack drive gear rotates certain angle after, pegs graft the bolt in locking inslot, can fix the angle of V type adsorption plate.

The utility model discloses a further set up to: the joint of the rotating shaft and the V-shaped adsorption plate is provided with threads, and the upper end of the V-shaped adsorption plate is provided with a threaded hole connected with the rotating shaft through threads.

Through adopting above-mentioned technical scheme, V type adsorption plate threaded connection is in the pivot, and it is convenient to dismantle, is favorable to the change of V type adsorption plate.

The utility model discloses a further set up to: the forward inlet is provided with a first valve, and the reverse inlet is provided with a second valve.

Through adopting above-mentioned technical scheme, when changing V nature adsorption plate, close valve one and valve two, open sealed lid, can change V type adsorption plate, need not to improve operating efficiency with the refrigerant evacuation in the air conditioning system.

The utility model discloses a further set up to: the bottom of the oil collecting tank is connected with an oil discharge pipe.

By adopting the technical scheme, the waste oil and the metal impurities separated from the refrigerant can be discharged from the oil discharge pipe.

The utility model has the advantages that:

1. the filtering component consists of a first-stage filter plate, a second-stage filter plate and a V-shaped adsorption plate, wherein large impurities in the gaseous refrigerant can be subjected to oil-gas separation through mechanical collision with the first-stage filter plate and the second-stage filter plate, fine impurities can be adsorbed by the V-shaped adsorption plate, and a good filtering effect can be achieved through multi-stage filtration.

The V-shaped adsorption plate can be driven by a gear and a rack to rotate for 180 degrees, and different angles are adjusted under two working conditions of forward cleaning and reverse cleaning of the air conditioning system, so that bidirectional filtration is realized, and the operation is convenient.

3. The frozen oil and the solid impurities intercepted by the filtering component can directly fall into the oil collecting tank below the containing cavity along the filtering component, and then are discharged from the oil discharge pipe in the oil collecting tank, so that the frozen oil and the solid impurities are not required to be frequently disassembled and replaced, and the service life is long.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present embodiment.

FIG. 2 is a schematic diagram of the positional relationship of the gear, the rack and the rotating shaft.

Fig. 3 is a schematic view of the filter assembly construction.

In the figure, 1, a containing cavity; 2. a forward inlet; 3. a reverse inlet; 4. a first valve; 5. a second valve; 6. a filter assembly; 601. a first filter plate; 602. a first airflow channel; 603. a second filter plate; 604. a second airflow channel; 605. a V-shaped adsorption plate; 7. a sealing cover; 8. a rotating shaft; 9. a threaded hole; 10. a gear; 11. a rack; 12. a locking hole; 13. a bolt; 14. a locking groove; 15. an oil sump; 16. an oil discharge pipe.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example (b): a filter device of a refrigerant recovery and filling machine is disclosed, as shown in figures 1 to 3, comprising a containing chamber 1, wherein a forward inlet 2 and a reverse inlet 3 are arranged at two ends of the containing chamber 1, a valve I4 is arranged at the forward inlet 2, a valve II 5 is arranged at the reverse inlet 3, three groups of filter assemblies 6 are fixed in the containing chamber 1, each filter assembly 6 comprises two inclined filter plates 601 which are mutually symmetrical and fixed at the left side and the right side of the containing chamber 1, an air flow channel I602 with gradually reduced width is formed between the two inclined filter plates 601 along the air flow direction, each filter assembly 6 further comprises two inclined filter plates 603 which are symmetrically arranged, an air flow channel II 604 with gradually enlarged width is formed between the two inclined filter plates 603 along the air flow direction, the filter plates 601 and the filter plates 603 are made of stainless steel wires, and a V-shaped adsorption plate 605 is arranged between the inclined filter plates 601 and the inclined filter plates 603, the V-shaped adsorption plate 605 is made of superfine glass fiber, and the first inclined filter plate 601 and the second inclined filter plate 603 of the adjacent two groups of filter assemblies 6 are connected.

As shown in fig. 1 to 3, a sealing cover 7 is fastened to the top of the accommodating chamber 1, three rotating shafts 8 are rotatably connected to the sealing cover 7, threads are provided at one end of the lower end of each rotating shaft 8 below the sealing cover 7, a threaded hole 9 for connecting the lower end of each rotating shaft 8 is provided at the upper end of the V-shaped adsorption plate 605, a gear 10 is fixed at one end of the rotating shaft 8 above the sealing cover 7, a rack 11 engaged with the gear 10 is slidably connected to the sealing cover 7, and the rack 11 is pushed to drive the gear 10 to drive the V-shaped adsorption plate 605 to rotate. The rack 11 is provided with a locking hole 12, a bolt 13 is inserted in the locking hole 12, the sealing cover 7 is provided with two locking grooves 14 for inserting the bolt 13, when the bolt 13 of the rack 11 is inserted and moved from one locking groove 14 to the other locking groove 14, the V-shaped adsorption plate 605 can be just driven to rotate 180 degrees, and the opening direction of the V-shaped adsorption plate 605 rotates from the positive inlet 2 to the reverse inlet 3.

As shown in fig. 1 to 3, an oil collecting tank 15 is disposed at the bottom of the accommodating chamber 1, an oil discharging pipe 16 is disposed at the bottom of the oil collecting tank 15, and the refrigerant oil and other impurities intercepted by the filter assembly 6 can fall into the oil collecting tank 15 along the filter assembly 6 and be discharged from the oil discharging pipe 16.

A filter device working principle of a refrigerant recovery and filling machine is as follows: when the automobile air conditioning system is cleaned in the forward direction, the rack 11 is pushed, the rack 11 drives the gear 10 to rotate, the V-shaped adsorption plate 605 on the rotating shaft 8 is driven to rotate, the opening direction of the V-shaped adsorption plate 605 faces to the forward inlet 2, the gaseous refrigerant firstly flows through the first airflow channel 602, and liquid oil and solid impurities in the gaseous refrigerant impact on the first filter plate 601 and are separated under the action of inertia.

Subsequently, the airflow mostly flows out along the outlet of the airflow channel I602 under the obstruction of the filter plate I601 and impacts on the V-shaped adsorption plate 605, the V-shaped adsorption plate 605 can further adsorb and remove fine impurities in the gaseous refrigerant, and the airflow can form vortex at the V-shaped adsorption plate 605, so that the adhesion type large particle sedimentation after the fine liquid drops and the fine solid impurities impact each other is facilitated, and the filtering efficiency can be improved.

Then the gaseous refrigerant flows out from the gap between the V-shaped adsorption plate 605 and the first filter plate 601, the second filter plate 603 further filters the gaseous refrigerant, and most of impurities in the gaseous refrigerant filtered by the plurality of filter assemblies 6 can be removed; the liquid oil and solid impurities trapped by the filter assembly 6 may fall down the filter assembly 6 into the sump 15 and eventually drain out through the drain pipe 16.

When the air conditioning system is reversely cleaned, the rack 11 is pushed to enable the opening direction of the V-shaped adsorption plate 605 to face the reverse inlet 3, and then the gaseous refrigerant entering the reverse inlet 3 can be filtered.

The sealing cover 7 can be opened periodically, the V-shaped adsorption plate 605 can be directly pulled out from the accommodating cavity 1 when the sealing cover 7 is taken out, and the V-shaped adsorption plate 605 can be replaced by screwing down the V-shaped adsorption plate 605.

Claims

1. The utility model provides a filter equipment of refrigerant recovery filling machine which characterized in that: comprises an accommodating cavity (1), a forward inlet (2) and a reverse inlet (3) which are arranged at two ends of the accommodating cavity (1), a plurality of groups of filter assemblies (6) are fixed in the accommodating cavity (1), each filter assembly (6) comprises two inclined filter plates I (601) and two inclined filter plates II (603) which are fixed on the inner wall of the accommodating cavity (1), an airflow channel I (602) with gradually reduced width is formed between the filter plates I (601) along the airflow direction, and an airflow channel II (604) with gradually enlarged width is formed between the filter plates II (603), a V-shaped adsorption plate (605) is arranged between the first filter plate (601) and the second filter plate (603), the top of the accommodating cavity (1) is detachably connected with a sealing cover (7), the V-shaped adsorption plate (605) is rotatably connected to the sealing cover (7), and an oil collecting tank (15) is arranged at the bottom of the accommodating cavity (1).

2. The filtering device of a refrigerant recovering and filling machine according to claim 1, wherein: the V-shaped adsorption plate (605) is fixedly provided with a rotating shaft (8) which is rotatably connected to the sealing cover (7), the upper end of the rotating shaft (8) is fixedly provided with a gear (10), and the sealing cover (7) is slidably connected with a rack (11) which is meshed with the gear (10).

3. The filtering device of a refrigerant recovering and filling machine according to claim 2, wherein: the lock is characterized in that the rack (11) is provided with a locking hole (12) and a bolt (13) inserted in the locking hole (12), and the sealing cover (7) is provided with two locking grooves (14) for the bolt (13) to be embedded in.

4. The filtering device of a refrigerant recovering and filling machine according to claim 2, wherein: the joint of the rotating shaft (8) and the V-shaped adsorption plate (605) is provided with threads, and the upper end of the V-shaped adsorption plate (605) is provided with a threaded hole (9) in threaded connection with the rotating shaft (8).

5. The filtering device of a refrigerant recovering and filling machine according to claim 1, wherein: the forward inlet (2) is provided with a first valve (4), and the reverse inlet (3) is provided with a second valve (5).

6. The filtering device of a refrigerant recovering and filling machine according to claim 1, wherein: the bottom of the oil collecting tank (15) is connected with an oil discharge pipe (16).