CN220159507U - Filtering structure - Google Patents

Abstract

The utility model provides a filtering structure, which belongs to the technical field of oil-gas separators and comprises a filtering tank and a filtering assembly, wherein the filtering tank comprises a tank body, and the filtering assembly comprises a pipe body detachably arranged in the tank body and two filter screens which are opposite to each other and are arranged at two ends of the pipe body. A fine gap is formed between the pipe body and the tank body, so that the filter assembly can be conveniently taken and placed, the filter screen can be further cleaned, and the filtering work is not influenced.

Description

Filtering structure

Technical Field

The utility model belongs to the technical field of oil-gas separators, and particularly relates to a filtering structure d

Background

In refrigeration systems, screw compressors require lubrication to provide lubrication to moving parts and sealing elements to properly operate. Therefore, compressor discharge typically contains some amount of lubricant that, once it enters the evaporator, not only severely affects the heat transfer performance of the evaporator, but also causes starvation of the compressor until it is damaged. Therefore, an oil separator is required to be provided at the discharge side of the compressor to separate the lubricating oil from the gaseous refrigerant.

In the related prior art, the oil-gas filtering device is generally composed of a filtering tank and a multi-stage filter screen, wherein the multi-stage filter screen is arranged in the filtering tank to realize oil-gas filtering separation.

However, in order to ensure that the multi-stage filter screen can be stably installed in the filter tank, the fastening mode of the multi-stage filter screen and the filter tank is complex, so that the multi-stage filter screen is difficult to take and put, and the cleaning of the multi-stage filter screen is not facilitated.

Disclosure of Invention

In order to make up for the defects, the utility model provides a filtering structure, and aims to solve the problem that the existing multi-stage filter screen is difficult to take and place in a filter tank.

The utility model is realized in particular as follows:

a filter structure, the filter structure comprising:

a filter tank comprising a tank body;

the filtering component comprises a pipe body detachably arranged in the tank body and two filtering screens which are opposite to each other and arranged at two ends of the pipe body.

In one embodiment of the utility model, the filter canister includes a cap assembly including an upper cap removably disposed on the canister.

In one embodiment of the utility model, the tank body is provided with a plurality of sealing components which are arranged at intervals along the circumferential direction of the tank body, the sealing components comprise a hinging seat detachably arranged on the tank body and a rotating arm rotatably arranged on the hinging seat, and the upper cover is provided with a clamping block which is in the same vertical direction with the sealing components.

In one embodiment of the utility model, the filter assembly comprises a cross and a handle, wherein the cross is arranged in the pipe body and is close to one filter screen, and the handle penetrates one filter screen and is fixed with the cross.

In one embodiment of the utility model, the filtering structure comprises a bracket, wherein the bracket is provided with a mounting hole penetrating in the vertical direction, and the tank body is arranged in the mounting hole.

In one embodiment of the utility model, four abutments are provided on the bracket.

In one embodiment of the utility model, the support has a frame thereon with at least four universal wheels spaced apart.

In one embodiment of the present utility model, the filtering structure includes a rotating assembly, the rotating assembly includes a driving device, a driving gear disposed at an output end of the driving device, and a hollow gear engaged with the driving gear; wherein the rotating assembly is configured to drive the canister to rotate.

In one embodiment of the utility model, the frame has a mounting plate adjacent to the drive means, the drive means being mounted to the mounting plate by a mounting.

In one embodiment of the utility model, a connecting sleeve extending along the vertical direction is arranged in the mounting hole, the tank body is arranged in the connecting sleeve, and the hollow gear is sleeved on the connecting sleeve.

Compared with the prior art, the utility model has the beneficial effects that: a fine gap is formed between the pipe body and the tank body, so that the filter assembly can be conveniently taken and placed, the filter screen can be further cleaned, and the filtering work is not influenced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a filter structure provided in an embodiment of the present utility model;

FIG. 2 is a cross-sectional elevation of a filter canister of a filter construction provided in accordance with an embodiment of the utility model;

FIG. 3 is a schematic view of a cover assembly of a filtering structure according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a filter assembly with a filter structure according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a rotary component of a filtering structure according to an embodiment of the present utility model.

Reference numerals illustrate: 100. a filtering structure; 10. a filter tank; 11. a tank body; 111. a closing member; 1111. a hinge base; 1112. a radial arm; 112. a liquid inlet pipe; 113. a liquid discharge pipe; 12. a cover assembly; 121. an upper cover; 1211. clamping blocks; 122. a support column; 123. a baffle; 20. a filter assembly; 21. a tube body; 22. a filter screen; 23. a cross; 24. a handle; 30. a bracket; 30a, mounting holes; 31. a support; 32. a frame; 321. a mounting plate; 33. a universal wheel; 40. a rotating assembly; 41. a driving device; 411. a mounting base; 42. a drive gear; 43. a hollow gear; 431. and (5) connecting the sleeve.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements 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.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Examples

Referring to the accompanying drawings 1-5, the utility model provides a technical scheme that: the utility model provides a filtration, includes filtration jar 10 and filter component 20, and filtration jar 10 includes jar body 11, and filter component 20 includes detachably set up in the body 21 in jar 11 and two filter screens 22 that set up in opposite each other in body 21 both ends.

Illustratively, a clearance fit is formed between the tube 21 and the canister 11. The filter screen 22 and the pipe body 21 can be in transition fit; or can be detachably connected by means of bolts. The two filter screens 22 can be larger in diameter of the filter holes near the upper end of the pipe body 21 and smaller in diameter of the filter holes near the lower end of the pipe body 21; the diameter of the filter hole near the upper end of the tube 21 may be smaller, and the diameter of the filter hole near the lower end of the tube 21 may be larger. The tank 11 has an annular flange (not shown) near the bottom wall for resting the filter assembly 20.

According to the embodiment, a slight gap is formed between the pipe body 21 and the tank 11, so that the filter assembly 20 can be conveniently taken and placed, and the filter screen 22 can be further cleaned, so that the filtering work is not affected. In addition, through the action of the annular flange of the tank 11 close to the bottom wall, a certain interval is generated between the filter assembly 20 and the bottom wall of the tank 11, and the filter holes of the filter screen 22 are prevented from being blocked, so that the oil can flow out of the filter screen 22.

Referring to fig. 1-2, in some embodiments, the filter cartridge 10 includes a cap assembly 12, the cap assembly 12 including an upper cap 121 removably disposed on the cartridge 11.

For example, the upper cover 121 may be screwed to the tank 11, or may be engaged with the tank.

According to this embodiment, when oil-gas filtration is performed, the upper cover 121 is covered with the tank 11, so that oil can be prevented from leaking to the outside.

Referring to fig. 1 to 2, in some embodiments, the can 11 has a plurality of closing members 111 spaced apart along a circumferential direction thereof, the closing members 111 include hinge seats 1111 detachably provided on the can 11, and radial arms 1112 rotatably provided on the hinge seats 1111, and the upper cover 121 has clamping blocks 1211 in the same vertical direction as the plurality of closing members 111.

For example, the hinge seat 1111 and the can 11 may be coupled or welded by means of bolts or the like. The swing arm 1112 may be connected to the hinge base 1111 by a rotation shaft or the like. The clamp block 1211 may be composed of two clamping pieces disposed opposite to each other, or may be formed in a U shape. The closing part 111 and the clamp block 1211 may be sequentially increased by two, three, four, five or six, etc.

According to this embodiment, after the upper cover 121 is covered, the arm 1112 is turned upwards to move into the clamp block 1211, and the position of the arm 1112 can be limited by the friction between the clamp block 1211 and the arm 1112. At the same time, the plurality of closing members 111 are matched with the clamping blocks 1211, so that the upper cover 121 and the tank 11 can be tightly covered, and can be conveniently detached.

Referring to fig. 1 to 2, in some embodiments, a liquid inlet pipe 112 and a liquid outlet pipe 113 are provided on the tank 11, respectively. Illustratively, the inlet and outlet pipes 112, 113 may be welded to the tank 11, etc. According to this embodiment, during filtration and separation, oil gas can be directly conveyed into the tank 11 by the arrangement of the liquid inlet pipe 112, and the upper cover 121 can not be removed. The drain pipe 113 may also serve to drain oil.

Referring to fig. 2 and 4, in some embodiments, the filter assembly 20 includes a cross 23 and a handle 24, wherein the cross 23 is disposed within the tube 21 and adjacent to one of the filter screens 22, and the handle 24 is secured to the cross 23 through one of the filter screens 22.

Illustratively, the cross 23 and the tube 21 may be welded or detachably connected by bolts or the like. The handle 24 and the cross 23 can be welded and in transition fit, and can be detachably connected by bolts and the like.

According to this embodiment, the operator is facilitated to remove the filter assembly 20 from the canister 11 by the provision of the handle 24. The cross 23 and the pipe body 21 are matched, so that the filter screen 22 is prevented from being damaged.

Referring to fig. 1, in some embodiments, the filtering structure 100 includes a bracket 30, the bracket 30 has a mounting hole 30a penetrating in a vertical direction, and the tank 11 is disposed in the mounting hole 30 a.

Illustratively, the tank 11 may be in transition engagement with the mounting hole 30a, or a bearing may be provided between the mounting hole 30a and the tank 11 when the rotating assembly 40 described below provides rotational power.

According to this embodiment, the bracket 30 can provide a supporting effect for the tank 11, so as to prevent the tank 11 from being broken due to collision with the ground.

Referring to fig. 1, in some embodiments, four standoffs 31 are provided on the bracket 30. Illustratively, the abutment 31 may be threadably coupled to the bracket 30. According to this embodiment, the support 31 can be used to adjust the height of the support 30; in addition, the support 31 can also function to prevent the support 30 from being displaced during the process of using the universal wheel 33 and the support 31.

Referring to fig. 1, in some embodiments, the bracket 30 has a frame 32 thereon, and the frame 32 has at least four universal wheels 33 thereon that are spaced apart. Illustratively, the universal wheel 33 may be four, five, six, etc. in sequential increments. The universal wheel 33 is detachably connected to the frame 32 by means of bolts or the like.

According to this embodiment, the use of the universal wheel 33 enables not only the movement of the bracket 30 but also the steering of the bracket 30.

Referring to fig. 1 and 5, in some embodiments, the filtering structure 100 includes a rotating assembly 40, where the rotating assembly 40 includes a driving device 41, a driving gear 42 disposed at an output end of the driving device 41, and a hollow gear 43 engaged with the driving gear 42; wherein the rotating assembly 40 is configured to drive the rotation of the tank 11.

Illustratively, the drive 41 is an electric motor; for example, a gear motor, a stepper motor, a brake motor, a servo motor, or an asynchronous motor, etc. The drive gear 42 is keyed to the output of the drive 41. Hollow gear 43 may be in transition engagement with canister 11.

According to this embodiment, the hollow gear 43 is driven by the driving gear 42 through the driving device 41, and the hollow gear 43 is driven by the driving gear 42 so that the can 11 can rotate following the hollow gear 43. The rotating assembly 40 can make the tank 11 perform centrifugal motion and make the tank 11 perform reciprocating centrifugal motion so as to accelerate the filtration and separation of oil gas.

Further, since there is a minute gap between the tube 21 and the can 11, the filter assembly 20 is displaced during centrifugal movement. In this regard, based on the above-described annular flange, a plurality of sliding grooves (not shown) may be provided at intervals in the circumferential direction of the pipe body 21, and protrusions (not shown) that are engaged with the plurality of sliding grooves may be provided on the inner wall of the tank body 11. Furthermore, by the cooperation of the annular flange, the sliding groove and the protrusion, not only a certain interval is generated between the filter assembly 20 and the bottom wall of the tank 11, but also displacement of the tank 11 can be prevented.

Referring to fig. 1 and 5, in some embodiments, the frame 32 has a mounting plate 321 adjacent to the driving device 41, and the driving device 41 is mounted on the mounting plate 321 through a mounting seat 411.

Illustratively, the mounting plate 321 and the frame 32 may be welded or detachably connected by bolts or the like. The mounting seat 411 and the mounting plate 321 may be welded or detachably connected by bolts or the like. For example, the mount 411 is an L-shape, a frame, a rectangular parallelepiped, a square, or the like.

According to this embodiment, the mount 411 provides a supporting function for the driving device 41, ensuring the stability of the power output of the driving device 41.

Referring to fig. 1 and 5, in some embodiments, a connecting sleeve 431 extending in a vertical direction is disposed in the mounting hole 30a, the tank 11 is disposed in the connecting sleeve 431, and the hollow gear 43 is sleeved on the connecting sleeve 431.

Illustratively, there may be a transition fit between the canister 11 and the connection sleeve 431. The hollow gear 43 and the connecting sleeve 431 can be in transition fit or in key connection. The mounting hole 30a and the connection sleeve 431 may be connected by a bearing.

According to this embodiment, the abrasion of the tank 11 can be avoided by the connection sleeve 431 being easy to be detached; and the connecting sleeve 431 can be replaced when the connecting sleeve 431 is severely worn, so that the cost is saved.

Specifically, this filtering structure's theory of operation: during filtration and separation, the liquid inlet pipe 112 can directly convey oil gas into the tank 11, and the driving gear 42 is driven by the driving device 41, so that the driving gear 42 drives the hollow gear 43, and the tank 11 can rotate along with the hollow gear 43. With the cooperation of the two filter screens 22, the oil gas can be filtered and separated for many times to obtain clean oil.

It should be noted that, the model specification of the driving device 41 needs to be determined by selecting a model according to the actual specification of the device, and the specific model selection calculation method adopts the prior art, so the detailed description is omitted.

The power supply of the drive means 41 and its principle will be clear to a person skilled in the art and will not be described in detail here.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. A filter structure, the filter structure comprising:

the filtering tank (10) comprises a tank body (11), the filtering tank (10) comprises a cover body assembly (12), the cover body assembly (12) comprises an upper cover (121) detachably arranged on the tank body (11), the tank body (11) is provided with a plurality of sealing components (111) arranged at intervals along the circumferential direction of the tank body, the sealing components (111) comprise a hinging seat (1111) detachably arranged on the tank body (11) and a radial arm (1112) rotatably arranged on the hinging seat (1111), and clamping blocks (1211) which are positioned in the same vertical direction with the plurality of sealing components (111) are arranged on the upper cover (121);

the filter assembly (20) comprises a pipe body (21) detachably arranged in the tank body (11) and two filter screens (22) which are opposite to each other and arranged at two ends of the pipe body (21), the filter assembly (20) comprises a cross (23) and a handle (24), the cross (23) is arranged in the pipe body (21) and is close to one filter screen (22), and the handle (24) penetrates through one filter screen (22) and is fixed with the cross (23);

the support (30), have on support (30) along vertical direction mounting hole (30 a) that link up, jar body (11) set up in mounting hole (30 a).

2. A filter structure according to claim 1, characterized in that four seats (31) are provided on the support (30).

3. The filter structure according to claim 2, characterized in that the frame (32) is provided on the support (30), and that the frame (32) is provided with at least four universal wheels (33) arranged at intervals.

4. A filter arrangement according to claim 3, characterized in that the filter arrangement comprises a rotating assembly (40), the rotating assembly (40) comprising a driving device (41), a driving gear (42) arranged at the output of the driving device (41) and a hollow gear (43) in engagement with the driving gear (42); wherein the rotation assembly (40) is configured to be capable of driving the tank (11) in rotation.

5. The filter arrangement according to claim 4, characterized in that the frame (32) has a mounting plate (321) adjacent to the drive means (41), the drive means (41) being mounted on the mounting plate (321) by means of a mounting seat (411).

6. The filtering structure according to claim 5, wherein a connecting sleeve (431) extending in a vertical direction is disposed in the mounting hole (30 a), the tank (11) is disposed in the connecting sleeve (431), and the hollow gear (43) is sleeved on the connecting sleeve (431).