CN215842073U

CN215842073U - Air conditioner filter screen washes uses turning device

Info

Publication number: CN215842073U
Application number: CN202121196556.4U
Authority: CN
Inventors: 王玉; 周雄; 雍涛; 郭少东; 亢恩茂
Original assignee: China 18th Metallurgical Construction Co ltd
Current assignee: China 18th Metallurgical Construction Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-02-18
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a turnover device for washing an air conditioner filter screen, which comprises a rotating shaft, wherein two ends of the rotating shaft are rotatably connected with supporting frames, two sides of the shaft body of the rotating shaft are symmetrically provided with filter screen fixing supports, each filter screen fixing support comprises a plurality of mutually parallel supporting rods which are uniformly arranged along the direction of the central line of the rotating shaft at intervals, a filter screen clamping device is arranged between every two adjacent supporting rods and used for fixing the filter screen to be washed, so that the plane of the filter screen to be washed and the central lines of the supporting rods on the two sides of the filter screen to be washed are positioned on the same plane, one of the supporting frames is provided with a rotation limiting device, and the rotation limiting device can limit the rotation of the rotating shaft so as to turn over the filter screen to be washed. The turnover device is simple in structure and convenient to use, the turnover operation of the filter screens on the two sides is completed by rotating the rotating shaft, the long-time stooping operation of operators is not needed, and the working strength of the operators is reduced.

Description

Air conditioner filter screen washes uses turning device

Technical Field

The utility model relates to a turnover device, in particular to a turnover device for washing an air conditioner filter screen.

Background

The central air-conditioning of large-scale exhibition hall has hundreds of, and the filter of each air-conditioning has 20 on average more, and each time clean all to be put after dismantling to change by the manual work, put subaerial, wash with the high-pressure squirt one by one, after having washd one side of filter screen, still need the manual work to bow and carry out the turn-over with the filter screen on the ground, just so can wash another side of filter screen. Because the quantity of filter screen is more, just need the long-time operation of bowing of operating personnel, not only increased operating personnel's working strength like this, also can reduce the abluent efficiency of filter screen.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the technical problems to be solved by the utility model are as follows: how to provide one kind can conveniently carry out the turn-over operation to the filter screen, reduce operating personnel working strength's air conditioner filter screen and wash and use turning device.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a turnover device for washing an air conditioner filter screen comprises a horizontally arranged rotating shaft, wherein two ends of the rotating shaft are respectively provided with a support frame, two ends of the rotating shaft are respectively rotatably connected with the support frame at the side of the rotating shaft, a filter screen fixing support is symmetrically arranged on a shaft body of the rotating shaft by taking the central line of the rotating shaft as a symmetry axis, the filter screen fixing support comprises a plurality of mutually parallel support rods which are uniformly arranged at intervals along the direction of the central line of the rotating shaft, the support rods extend along the radial direction of the rotating shaft, a filter screen clamping device is arranged between every two adjacent support rods and is used for fixing the filter screen to be washed so that the plane of the filter screen to be washed and the central lines of the support rods at two sides of the filter screen to be washed are positioned on the same plane, one support frame is provided with a rotation limiting device, the rotation limiting device comprises a limiting seat which is positioned at one side of the shaft body of the rotating shaft and is fixedly connected with the support frames, and an inserting handle which is in sliding fit with the limiting seat is penetrated along the radial direction of the rotating shaft, the protruding handle that is formed with of one end that the rotation axis was kept away from to the handle of inserting, the other end arch is formed with the dog, the dog is back to the protruding limited bolt that is formed along handle of inserting central line direction to the one end of handle of inserting, the rotation axis is worn to be equipped with spacing jack along the radial direction of rotation axis on corresponding the axle body of spacing bolt position, when the rotation axis rotates so that spacing jack and spacing bolt are with the central line, spacing bolt just can follow spacing jack central line direction rather than sliding fit in order to insert in spacing jack, when spacing bolt inserts in spacing jack, the central line of bracing piece sets up for horizontal extension.

In the utility model, the filter screen is restrained between the two support rods by the filter screen clamping device, when the limiting bolt is inserted into the positioning jack, the limiting of the filter screen is completed, the filter screen is positioned at two sides of the rotating shaft and is horizontally arranged, so that an operator washes the filter screens at two sides from the upper part, then pulls out the limiting bolt, rotates 180 degrees and then uses the limiting bolt for limiting again, so that the filter screen rotates to the other end of the rotating shaft and completes the turn-over operation, and then the operator washes the filter screen.

As an optimization, a supporting groove extending in a direction parallel to the central line direction of the supporting rod is formed in one side surface of the supporting rod facing to the adjacent supporting rod, the supporting groove is a rectangular through groove, the filter screen clamping device comprises a barrier strip extending in a direction opposite to the two supporting rods, two ends of the barrier strip respectively extend into the supporting groove at the side where the barrier strip is located and are in sliding fit with the supporting groove in the extending direction of the supporting groove, an elastic compression part is installed at one side of the barrier strip facing to the rotating shaft, the elastic compression part has the capability of performing compression deformation in the direction opposite to the rotating shaft along the barrier strip where the elastic compression part is located, the filter screen clamping device further comprises a pressing strip arranged in parallel with the barrier strip, the pressing strip is located at one side of the barrier strip away from the rotating shaft, two ends of the pressing strip are respectively and fixedly connected with pressing blocks, the pressing blocks are respectively arranged in the supporting groove at the side where the pressing strip is located, and the pressing blocks can be in sliding fit with the supporting groove in the extending direction of the supporting groove, a restraining space for restraining the filter screen to be washed is formed between the pressing strip and the corresponding barrier strip, a positioning bolt in sliding fit with the pressing strip is arranged on the pressing block in a penetrating manner along the extending direction parallel to the pressing strip, one end, far away from the side where the positioning bolt is located, of the supporting rod is fixedly connected with a pull handle, a bolt spring is sleeved on the positioning bolt and positioned between the pull handle and the pressing block, two ends of the bolt spring are respectively and fixedly connected to the pull handle and the pressing block so as to provide spring force for the positioning bolt to move towards the direction corresponding to the supporting rod, a pin hole for inserting a positioning pin is arranged on the supporting rod along the extending direction parallel to the pressing strip, when the location bolt inserts in the pinhole, the briquetting can be used in the filter screen that waits to wash that is located the restraint space on make and wait to wash the filter screen and extrude the blend stop so that elastic compression part conflicts and take place compression deformation on the rotation axis.

Preferably, the elastic compression component includes a sliding sleeve, one end of the sliding sleeve is fixedly connected to the middle position of the barrier along the length direction and faces one side of the rotation axis direction, the center line of the sliding sleeve extends along the direction opposite to the rotation axis along the barrier, one end of the sliding sleeve away from the barrier is in threaded connection with an end cover, a sliding block is in sliding fit with the sliding sleeve along the center line direction thereof, an extension spring is arranged in the sliding sleeve and between the bottom of the sliding sleeve and the sliding block, two ends of the extension spring respectively abut against the bottom of the sliding sleeve and the sliding block to provide spring force for the sliding block to abut against the end cover, one end of the sliding block facing the end cover is fixedly connected with an extension column along the center line direction of the sliding sleeve, the diameter of the extension column is smaller than the inner diameter of the sliding sleeve, an extension perforation for the extension column to pass through is arranged on the end cover along the center line direction of the sliding sleeve, when the sliding block abuts against the end cover, the overhanging column penetrates through the overhanging through hole and extends out of the end cover.

Preferably, one end of the support groove, which is far away from the rotating shaft, is provided with a slope end, and the groove depth of the support groove, which is located at the slope end, is gradually increased along the direction of extending the support groove toward the direction of far away from the rotating shaft.

Preferably, a movable threaded rod arranged parallel to the rotating shaft is arranged above the rotating shaft, two sides of the movable threaded rod along the direction of the central line of the movable threaded rod are respectively provided with a movable guide rod arranged parallel to the movable threaded rod, the central line of the movable threaded rod and the central lines of the two movable guide rods are respectively positioned on the same horizontal plane, two ends of the movable threaded rod and the movable guide rod are respectively and rotatably connected to the support frame on which the movable threaded rod is positioned, any one of the support frames is provided with a movable driving device for driving the movable threaded rod to rotate, the movable threaded rod is sleeved with a movable threaded seat in threaded fit with the movable threaded rod, the movable guide rod is sleeved with a movable guide seat capable of being in sliding fit with the movable threaded rod along the direction of the central line of the movable threaded rod, a connecting support rod fixedly connected with the movable threaded seat is respectively arranged between the movable threaded seat and the movable guide seats on two sides of the movable threaded rod, and one side of the movable guide seat, which is opposite to the movable threaded rod, is provided with a water spray pipe capable of spraying water downwards, the lower end of the spray pipe is a water outlet end and is provided with a nozzle, the upper end of the spray pipe is a water inlet end and is communicated with a water inlet hose, the pipe body of the spray pipe is symmetrically and fixedly connected with a rotating shaft by taking the central line of the spray pipe as a symmetrical axis, the rotating shaft extends along the radial direction of the spray pipe, the central line direction of the rotating shaft is parallel to the central line of the movable guide rod, the positions, corresponding to the rotating shafts at the two sides of the spray pipe, on the movable guide seat are respectively and fixedly connected with a rotating bracket, the rotating shafts are respectively and rotatably connected on the rotating brackets, a swinging drive motor is fixedly connected on the movable threaded seat, a crank is fixedly connected on the output shaft of the swinging drive motor, a connecting rod is respectively arranged between one end of the crank, far away from the swinging drive motor, and the spray pipes at the two sides, one end of the connecting rod is rotatably connected on the crank, the other end is rotatably connected on the pipe body, corresponding to the spray pipe above the rotating shaft, the crank, the connecting rod and the spray pipe form a crank rocker mechanism, and when the swing driving motor rotates, the crank can drive the spray pipe to swing through the connecting rod.

Preferably, a detection support is fixedly connected to the support frame and close to the end of the movable threaded rod, a normally closed proximity switch for detecting the support frame close to the movable threaded rod is mounted on the detection support, and the normally closed proximity switch is connected in series in a driving circuit of the swing driving motor.

Preferably, the water inlet end of the water spray pipe is convexly formed with a fixed pipe along the central line direction of the water spray pipe, the outer diameter of the fixed pipe is smaller than the outer diameter of the water spray pipe, annular bulges extending around the circumference of the fixed pipe are convexly formed on the pipe body of the fixed pipe along the central line direction at intervals, the inner diameter of the water inlet hose is consistent with the outer diameter of the fixed pipe, the fixed pipe is inserted into the water outlet hole of the water inlet hose, the water outlet hole end of the water inlet hose abuts against the end face of the water spray pipe at the end where the fixed pipe is located, and a hoop used for fastening the water inlet hose on the fixed pipe is bound on the pipe body of the water inlet hose between the annular bulges.

In conclusion, the beneficial effects of the utility model are as follows: the turnover device is simple in structure and convenient to use, the turnover operation of the filter screens on the two sides is completed by rotating the rotating shaft, the long-time stooping operation of operators is not needed, and the working strength of the operators is reduced.

Drawings

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the swinging structure of the sprinkler pipe of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and fig. 2, the turning device for washing an air conditioner filter screen in this embodiment includes a horizontally disposed rotating shaft 1, two ends of the rotating shaft 1 are respectively provided with a support frame 2, two ends of the rotating shaft 1 are respectively rotatably connected with the support frame 2 at the side thereof, a filter screen fixing bracket is symmetrically disposed on a shaft body of the rotating shaft 1 by taking a central line thereof as a symmetry axis 1, the filter screen fixing bracket includes a plurality of support bars 3 which are parallel to each other and are uniformly spaced along a central line direction of the rotating shaft 1, the support bars 3 are extended along a radial direction of the rotating shaft 1, a filter screen clamping device is disposed between two adjacent support bars 3 for fixing the filter screen to be washed so that a plane where the filter screen to be washed is located and central lines of the support bars 3 at two sides thereof are located on the same plane, one of the support frames 2 is provided with a rotation limiting device, the rotation limiting device includes a limiting seat which is located at one side of the shaft body of the rotating shaft 1 and is fixedly connected with the support frames 2, insert the handle rather than sliding fit's the handle of inserting along rotation axis radial direction on the spacing seat, the handle of inserting is kept away from the protruding handle that is formed with of one end of rotation axis 1, the protruding dog that is formed with of the other end, the dog is back to the protruding limited bolt that is formed along the handle central line direction of inserting of one end of handle of inserting, rotation axis 1 is worn to be equipped with spacing jack along rotation axis 1 radial direction on corresponding the axle body of spacing bolt position, when rotation axis 1 rotates so that spacing jack and spacing bolt are with the central line, spacing bolt just can follow spacing jack central line direction rather than sliding fit in order to insert in spacing jack, when spacing bolt inserts in spacing jack, the central line of bracing piece 3 sets up for horizontal extension.

In the specific embodiment, a supporting groove extending in a direction parallel to the central line of the supporting rod 3 is formed in one side surface of the supporting rod 3 facing the adjacent supporting rod 3, the supporting groove is a rectangular through groove, the filter screen clamping device comprises barrier strips 4 extending in a direction opposite to the two supporting rods 3, two ends of each barrier strip 4 respectively extend into the supporting groove at the side where the barrier strip is located and are in sliding fit with the supporting groove in the extending direction of the supporting groove, an elastic compression part 5 is installed at one side of each barrier strip 4 facing the rotating shaft 1, each elastic compression part 5 has the capability of performing compression deformation in a direction opposite to the barrier strip 4 where the elastic compression part is located and the rotating shaft 1, the filter screen clamping device further comprises a pressing strip 6 arranged in parallel to the barrier strips 4, the pressing strip 6 is located at one side of each barrier strip 4 away from the rotating shaft 1, and two ends of each pressing strip 6 are respectively and fixedly connected with a pressing block, the briquetting is arranged in the support inslot at its place side respectively, and the briquetting can be followed and is supported groove extending direction and support groove sliding fit, is formed with the restraint space that is used for treating to wash the filter screen and retrains between layering 6 and its corresponding blend stop 4, wears to be equipped with rather than sliding fit's location bolt along being on a parallel with layering 6 extending direction on the briquetting, and its place side is kept away from to the location bolt the one end fixedly connected with pull handle of bracing piece 3, the position cover that just is located between pull handle and the briquetting on the location bolt is equipped with the bolt spring, and fixed connection is in order can be for the location bolt orientation rather than corresponding on pull handle and briquetting respectively the both ends of bolt spring the 3 direction of bracing piece removes and provides the spring force, wear to be equipped with along being on a parallel with layering 6 extending direction on bracing piece 3 and be used for making location bolt male pinhole, when the location bolt inserts in the pinhole, the briquetting can be used for treating to wash on being located the filter screen that the restraint space and make and wait to wash the filter screen and extrude blend stop 4 with locating the blend stop 4 The elastic compression member 5 is pressed against the rotary shaft 1 to be compressed and deformed.

In this embodiment, the elastic compression component 5 includes a sliding sleeve, one end of the sliding sleeve is fixedly connected to the middle position of the barrier 4 along the length direction thereof and faces one side of the direction of the rotating shaft 1, the center line of the sliding sleeve extends along the direction opposite to the barrier 4 and the rotating shaft 1, one end of the sliding sleeve away from the barrier 4 is connected with an end cap by a thread, a sliding block is slidably fitted in the sliding sleeve along the direction of the center line thereof, an extension spring is disposed in the sliding sleeve and between the bottom of the sliding sleeve and the sliding block, two ends of the extension spring are respectively abutted against the bottom of the sliding sleeve and the sliding block to provide spring force for the abutment of the sliding block against the end cap, one end of the sliding block facing the end cap is fixedly connected with an outer extension column along the direction of the center line of the sliding sleeve, the diameter of the outer extension column is smaller than the inner diameter of the sliding sleeve, the end cap is provided with an extension through hole for the extension column to pass through along the direction of the center line of the sliding sleeve, when the sliding block is abutted against the end cover, the extending column penetrates through the extending through hole and extends out of the end cover.

In this specific embodiment, one end of the support groove, which is away from the rotating shaft 1, is provided with a slope end, and the groove depth of the support groove, which is located at the slope end, gradually increases along the direction in which the support groove extends and faces the direction away from the rotating shaft 1.

In the specific embodiment, a movable threaded rod 7 arranged parallel to the rotating shaft 1 is arranged above the rotating shaft 1, two sides of the movable threaded rod 7 along the direction of the central line thereof are respectively provided with a movable guide rod 8 arranged parallel to the movable threaded rod 7, the central line of the movable threaded rod 7 and the central lines of the two movable guide rods 8 are respectively positioned on the same horizontal plane, two ends of the movable threaded rod 7 and the movable guide rod 8 are respectively and rotatably connected to the supporting frame 2 on which the movable threaded rod is positioned, any one of the supporting frames 2 is provided with a movable driving device for driving the movable threaded rod to rotate, the movable threaded rod 7 is sleeved with a movable threaded seat 9 in threaded fit with the movable threaded rod, the movable guide rod 8 is sleeved with a movable guide seat 10 capable of being in sliding fit with the movable threaded seat along the direction of the central line thereof, and a connecting support rod 11 fixedly connected with the movable threaded seat 9 and the movable guide seats 10 on two sides thereof are respectively arranged between the movable threaded seat 9 and the movable guide seats 10, a spray pipe 12 capable of spraying water downwards is arranged on one side of the movable guide seat 10 back to the movable threaded rod 7, the lower end of the spray pipe 12 is a water outlet end and is provided with a nozzle, the upper end of the spray pipe 12 is a water inlet end and is communicated with a water inlet hose, a rotating shaft is symmetrically and fixedly connected to the pipe body of the spray pipe 12 by taking the central line of the rotating shaft as a symmetry axis, the rotating shaft extends along the radial direction of the spray pipe 12, the central line direction of the rotating shaft is parallel to the central line of the movable guide rod 8, rotating brackets 13 are respectively and fixedly connected to the positions of the movable guide seat 10 corresponding to the rotating shafts on the two sides of the spray pipe 12, the rotating shafts are respectively and rotatably connected to the rotating brackets 13 on which the rotating shafts are arranged, a swing driving motor 14 is fixedly connected to the movable threaded seat 9, a crank is fixedly connected to the output shaft of the swing driving motor 14, and a connecting rod 15 is respectively arranged between one end of the crank, which is far away from the swing driving motor 14, and the spray pipes 12 on the two sides, one end of the connecting rod 15 is rotatably connected to the crank, the other end of the connecting rod is rotatably connected to the pipe body above the rotating shaft corresponding to the spray pipe 12, the crank, the connecting rod 15 and the spray pipe 12 form a crank-rocker mechanism, and when the swing driving motor 14 rotates, the crank can drive the spray pipe 12 to swing through the connecting rod 15.

In this embodiment, on the support frame 2 and be close to move the position fixedly connected with detection support of threaded rod 7 tip, it is right to install on the detection support to move threaded seat 9 and be close to its place side the support frame 2 carries out the normally closed proximity switch that detects, and normally closed proximity switch is in series connection in swing driving motor 14's drive circuit.

In this embodiment, the water inlet end of the water spraying pipe 12 is formed with a fixing pipe protruding along the central line direction of the water spraying pipe 12, the outer diameter of the fixing pipe is smaller than the outer diameter of the water spraying pipe 12, annular protrusions extending circumferentially around the fixing pipe are formed on the pipe body of the fixing pipe at intervals along the central line direction, the inner diameter of the water inlet hose is consistent with the outer diameter of the fixing pipe, the fixing pipe is inserted into the water outlet hole of the water inlet hose, the water outlet hole end of the water inlet hose abuts against the end face of the water spraying pipe 12 at the end where the fixing pipe is located, and the pipe body of the water inlet hose located between the annular protrusions is bound with a hoop for fastening the water inlet hose on the fixing pipe.

Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the utility model, and that, while the utility model has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides an air conditioner filter screen washes uses turning device which characterized in that: the filter screen washing machine comprises a horizontally arranged rotating shaft, wherein two ends of the rotating shaft are respectively provided with a support frame, two ends of the rotating shaft are respectively connected with the support frame on the side of the rotating shaft in a rotating way, a filter screen fixing support is symmetrically arranged on the shaft body of the rotating shaft by taking the central line of the rotating shaft as a symmetry axis, the filter screen fixing support comprises a plurality of mutually parallel support rods which are uniformly arranged at intervals along the direction of the central line of the rotating shaft, the support rods extend along the radial direction of the rotating shaft, a filter screen clamping device is arranged between every two adjacent support rods and used for fixing a filter screen to be washed so that the plane of the filter screen to be washed and the central lines of the support rods on two sides of the filter screen to be washed are positioned on the same plane, one support frame is provided with a rotation limiting device, the rotation limiting device comprises a limiting seat which is positioned on one side of the shaft body of the rotating shaft and fixedly connected with the support frames, and an inserting handle which is in sliding fit with the limiting seat is penetrated in the radial direction of the rotating shaft, the protruding handle that is formed with of one end that the rotation axis was kept away from to the handle of inserting, the other end arch is formed with the dog, the dog is back to the protruding limited bolt that is formed along handle of inserting central line direction to the one end of handle of inserting, the rotation axis is worn to be equipped with spacing jack along the radial direction of rotation axis on corresponding the axle body of spacing bolt position, when the rotation axis rotates so that spacing jack and spacing bolt are with the central line, spacing bolt just can follow spacing jack central line direction rather than sliding fit in order to insert in spacing jack, when spacing bolt inserts in spacing jack, the central line of bracing piece sets up for horizontal extension.

2. The air conditioner filter screen washes and uses turning device according to claim 1, characterized in that: the support bar is provided with support grooves extending along the direction parallel to the central line of the support bar on the side surface of one side of the adjacent support bar, the support grooves are rectangular through grooves, the filter screen clamping device comprises barrier strips extending along the relative direction of the two corresponding support bars, the two ends of the barrier strips respectively extend into the support grooves on the side where the barrier strips are located and are in sliding fit with the support grooves along the extending direction of the support grooves, one side of the barrier strips, facing the rotating shaft, is provided with an elastic compression part, the elastic compression part has the capability of performing compression deformation along the relative direction of the barrier strips where the elastic compression part is located and the rotating shaft, the filter screen clamping device further comprises pressing strips arranged in parallel with the barrier strips, the pressing strips are located on one side of the barrier strips, the two ends of the pressing strips are respectively and fixedly connected with pressing blocks, the pressing blocks are respectively arranged in the support grooves on the side where the pressing blocks are located, and can be in sliding fit with the support grooves along the extending direction of the support grooves, a restraining space for restraining the filter screen to be washed is formed between the pressing strip and the corresponding barrier strip, a positioning bolt in sliding fit with the pressing strip is arranged on the pressing block in a penetrating manner along the extending direction parallel to the pressing strip, one end, far away from the side where the positioning bolt is located, of the supporting rod is fixedly connected with a pull handle, a bolt spring is sleeved on the positioning bolt and positioned between the pull handle and the pressing block, two ends of the bolt spring are respectively and fixedly connected to the pull handle and the pressing block so as to provide spring force for the positioning bolt to move towards the direction corresponding to the supporting rod, a pin hole for inserting a positioning pin is arranged on the supporting rod along the extending direction parallel to the pressing strip, when the location bolt inserts in the pinhole, the briquetting can be used in the filter screen that waits to wash that is located the restraint space on make and wait to wash the filter screen and extrude the blend stop so that elastic compression part conflicts and take place compression deformation on the rotation axis.

3. The air conditioner filter screen washes uses turning device according to claim 2, characterized in that: the elastic compression component comprises a sliding sleeve, one end of the sliding sleeve is fixedly connected with the middle position of the barrier strip along the length direction and faces one side of the rotating shaft direction, the central line of the sliding sleeve extends along the direction opposite to the rotating shaft along the barrier strip, one end of the sliding sleeve far away from the barrier strip is connected with an end cover in a threaded manner, a sliding block is arranged in the sliding sleeve in a sliding fit manner along the central line direction of the sliding sleeve, an extension spring is arranged in the sliding sleeve and between the bottom of the sliding sleeve and the sliding block, two ends of the extension spring are respectively abutted against the bottom of the sliding sleeve and the sliding block so as to provide spring force for the abutment of the sliding block on the end cover, one end of the sliding block facing the end cover is fixedly connected with an extension column along the central line direction of the sliding sleeve, the diameter of the extension column is smaller than the inner diameter of the sliding sleeve, an extension perforation for the extension column to pass through is arranged on the end cover along the central line direction of the sliding sleeve, when the sliding block is abutted against the end cover, the overhanging column penetrates through the overhanging through hole and extends out of the end cover.

4. The air conditioner filter screen washes uses turning device according to claim 2, characterized in that: the one end that supports the groove and keep away from the rotation axis is provided with the slope end, the groove depth that supports the groove and be located the slope end is followed support groove extending direction orientation is kept away from the rotation axis direction is crescent.

5. The air conditioner filter screen washes and uses turning device according to claim 1, characterized in that: a movable threaded rod arranged parallel to the rotating shaft is arranged above the rotating shaft, two sides of the movable threaded rod along the direction of the central line of the movable threaded rod are respectively provided with a movable guide rod arranged parallel to the movable threaded rod, the central line of the movable threaded rod and the central lines of the two movable guide rods are respectively positioned on the same horizontal plane, two ends of the movable threaded rod and the movable guide rod are respectively and rotatably connected to the support frame on which the movable threaded rod is positioned, a movable driving device for driving the movable threaded rod to rotate is installed on any one of the support frames, a movable threaded seat in threaded fit with the movable threaded rod is sleeved on the movable threaded rod, a movable guide seat in sliding fit with the movable threaded rod along the direction of the central line is sleeved on the movable guide rod, a connecting support rod fixedly connected with the movable threaded seat is respectively arranged between the movable threaded seat and the movable guide seats on two sides of the movable threaded rod, and one side of the movable guide seat, which is opposite to the movable threaded rod, is provided with a water spray pipe capable of spraying water downwards, the lower end of the spray pipe is a water outlet end and is provided with a nozzle, the upper end of the spray pipe is a water inlet end and is communicated with a water inlet hose, the pipe body of the spray pipe is symmetrically and fixedly connected with a rotating shaft by taking the central line of the spray pipe as a symmetrical axis, the rotating shaft extends along the radial direction of the spray pipe, the central line direction of the rotating shaft is parallel to the central line of the movable guide rod, the positions, corresponding to the rotating shafts at the two sides of the spray pipe, on the movable guide seat are respectively and fixedly connected with a rotating bracket, the rotating shafts are respectively and rotatably connected on the rotating brackets, a swinging drive motor is fixedly connected on the movable threaded seat, a crank is fixedly connected on the output shaft of the swinging drive motor, a connecting rod is respectively arranged between one end of the crank, far away from the swinging drive motor, and the spray pipes at the two sides, one end of the connecting rod is rotatably connected on the crank, the other end is rotatably connected on the pipe body, corresponding to the spray pipe above the rotating shaft, the crank, the connecting rod and the spray pipe form a crank rocker mechanism, and when the swing driving motor rotates, the crank can drive the spray pipe to swing through the connecting rod.

6. The air conditioner filter screen washes uses turning device according to claim 5, characterized in that: the position fixedly connected with that just is close to on the support frame remove the screw rod tip detects the support, detects to install on the support and is used for right it is close to its place side remove the screw seat the support frame detects normally closed proximity switch, normally closed proximity switch is in series connection in swing driving motor's drive circuit.

7. The air conditioner filter screen washes uses turning device according to claim 5, characterized in that: the water inlet end of the water spraying pipe is provided with a fixed pipe along the direction of the central line of the water spraying pipe in a protruding mode, the outer diameter of the fixed pipe is smaller than that of the water spraying pipe, annular protrusions extending around the circumference of the fixed pipe are formed on the pipe body of the fixed pipe at intervals along the direction of the central line of the fixed pipe in a protruding mode, the inner diameter of the water inlet hose is consistent with that of the fixed pipe, the fixed pipe is inserted into a water outlet hole of the water inlet hose, the end, abutted against the water outlet hole, of the water spraying pipe is located on the end face of the end, where the fixed pipe is located, of the water inlet hose, and a hoop used for fastening the water inlet hose on the fixed pipe is bound on the pipe body located between the annular protrusions.