CN220287832U

CN220287832U - Quantitative liquid feeder for maintaining central air conditioner

Info

Publication number: CN220287832U
Application number: CN202320848036.XU
Authority: CN
Inventors: 王茂华
Original assignee: Beijing Tongfang Kexun Technology Development Co ltd
Current assignee: Beijing Tongfang Kexun Technology Development Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2024-01-02
Anticipated expiration: 2033-04-17

Abstract

The utility model relates to the technical field of quantitative liquid adding devices, in particular to a quantitative liquid adding device for maintaining a central air conditioner. The utility model has the advantages that: through having set up the rolling dish, and flexible winding pipe sets up in the inside of rolling dish, and rotate through rotating joint and feed liquor pipe in rolling dish axle center department and be connected, make flexible winding pipe can wind the outside of rolling to the rolling dish, can directly stimulate flexible winding pipe and stretch out during the use, can pull out length according to the length adjustment, when unclamping simultaneously, drive rolling dish automatic rolling flexible winding pipe under reset coil spring's rolling, realize automatic accomodating, reach and be convenient for accomodate and obtain the purpose, difficult loose and scatter, convenient to use, can effectively control the volume of liquid tank internal liquid of ration case through having set up the solenoid valve, after the liquid volume reaches the settlement position, automatic control of adding liquid volume is realized to the solenoid valve, it can adjust telescopic link bottom and the interval of liquid level to rotate the screw sleeve excessively, the adjustment sets for adding liquid volume.

Description

Quantitative liquid feeder for maintaining central air conditioner

Technical Field

The utility model relates to the technical field of quantitative liquid adding devices, in particular to a quantitative liquid adding device for maintaining a central air conditioner.

Background

The central air conditioner needs to periodically add refrigerating fluid to ensure that the air conditioner can have better refrigerating effect, the refrigerating fluid needs to be quantitatively added, and in China utility model CN218600056U, a quantitative liquid feeder for maintaining the central air conditioner is disclosed, and a coil roller is arranged on the quantitative liquid feeder for maintaining the central air conditioner so that a liquid feeding pipe can be wound on a coil

The roller is convenient to store, and the liquid adding gun at the end part of the liquid receiving pipe can penetrate through the notch to be fixed at the front side of the coil roller through the notch, the part of the liquid adding pipe, which is close to the end part, can be clamped in the spring clamp through the spring clamp, so that the liquid adding pipe is wound on the coil roller and fixed, the coil roller is set into a rotating state, the position of the notch can be adjusted by rotating the coil roller, the spring clamp can just clamp the end part of the liquid adding pipe, and the quantitative liquid adding device for the maintenance of the central air conditioner has the following problems in use:

this ration liquid filler is used in central air conditioning engineering maintenance is realized accomodating through coil pipe roller winding rolling filling tube, but the pull inconvenience when taking such storage mode, the nimble pull filling tube of length as required, only rely on the winding to accomodate moreover and loosen easily, be inconvenient for use.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

Therefore, an object of the present utility model is to provide a quantitative liquid feeder for maintaining a central air conditioner, which solves the problems mentioned in the background art and overcomes the defects existing in the prior art.

In order to achieve the above object, an embodiment of an aspect of the present utility model provides a quantitative liquid feeder for maintenance of a central air conditioner, which comprises an equipment box body, wherein one side of the inner wall of the equipment box body is fixedly connected with a quantitative box, one corner of the inner wall of the equipment box body is fixedly connected with a liquid feeding pump, the input end of the liquid feeding pump is fixedly connected with a liquid suction pipe, one end of the liquid suction pipe far away from the liquid feeding pump is fixedly connected and communicated with the bottom of the inner wall of the quantitative box, the output end of the liquid feeding pump is fixedly connected with a liquid feeding pipe, one side of the inner wall of the equipment box body near to the liquid feeding pump is fixedly connected with a reel frame, the center of the top of the reel frame is rotatably connected with a reel, the center of the inner wall of the reel frame is fixedly connected with a flexible winding pipe, one side of the reel frame is fixedly connected with a rotary joint, one end of the flexible winding pipe is fixedly connected with one side of the rotary joint at the center of one side of the reel frame, one side of the flexible winding pipe far away from the rotary joint is fixedly connected with one side of the reel frame, one side of the flexible winding pipe is rotatably connected with one side of the reel frame, one side of the reel frame is fixedly connected with one side of the reel frame, and the other side frame is fixedly connected with a reel frame, and the reel frame is fixedly connecting one side. The other side of the reset coil spring is fixedly connected with the outer wall of the central shaft of the winding disc.

By the preferred position fixedly connected with lag that the equipment box outer wall corresponds with flexible winding pipe wears out equipment box outer wall position of above-mentioned arbitrary scheme, the size of fixed block and the size looks adaptation of lag inner wall, the notch has been seted up to one side at lag top, the center department fixedly connected with pulling ear of fixed block top surface, the position of pulling ear corresponds with the position of notch, the thickness of pulling ear and the width looks adaptation of notch, the length of notch and the length looks adaptation of lag.

The technical effect achieved by adopting the scheme is as follows: after the fixed block is placed in the protective sleeve, the lug is pulled out of the protective sleeve, so that the fixed block is pulled out conveniently, and the protective sleeve can protect the liquid adding nozzle.

By the preferred edge fixedly connected with liquid reserve tank of arbitrary scheme, equipment box top surface one side, the center department fixedly connected with solenoid valve of liquid reserve tank bottom surface, the bottom of solenoid valve and the top fixed connection of ration case, the liquid reserve tank is linked together through solenoid valve and the inside of ration case.

The technical effect achieved by adopting the scheme is as follows: the liquid adding amount is convenient to control through the electromagnetic valve.

By the preferred edge rotation of arbitrary scheme above-mentioned scheme, quantitative case top one side is connected with the screw thread sleeve, screw thread sleeve's top fixedly connected with knob, quantitative case and screw thread sleeve center department correspond the position sliding connection have the telescopic link, the top fixedly connected with screw thread piece of telescopic link, screw thread piece and screw thread sleeve threaded connection, the bottom fixedly connected with contact type liquid level sensor of telescopic link.

The technical effect achieved by adopting the scheme is as follows: the distance between the bottom of the telescopic rod and the liquid level can be adjusted by rotating the threaded sleeve, so that the height of the contact type liquid level sensor is adjusted, and the purpose of setting the liquid adding amount is achieved.

By any of the above schemes, it is preferable that the signal output end of the contact type liquid level sensor is electrically connected with the signal input end of the electromagnetic valve, the electromagnetic valve is opened by switch control, and the electromagnetic valve is closed by the signal control of the contact type liquid level sensor.

The technical effect achieved by adopting the scheme is as follows: after the liquid capacity reaches the set position by measuring through the contact type liquid level sensor, the electromagnetic valve is automatically closed, and automatic control of the liquid adding amount is realized.

By the above-mentioned arbitrary scheme preferred, the equipment box is close to a side and the ration case of telescopic link and is transparent material, the ration scale has been seted up to the outer wall of telescopic link.

The technical effect achieved by adopting the scheme is as follows: the transparent material is convenient for observe the liquid volume of quantitative incasement portion, is convenient for confirm the height-adjusting of telescopic link bottom simultaneously.

By the preferred top surface of above-mentioned arbitrary scheme, the top surface of equipment box passes through screw fixedly connected with top cap, air vent 4 has all been seted up at the top of liquid reserve tank and ration case, the center department fixed connection liquid feeding pipe of liquid reserve tank top surface, the liquid feeding pipe runs through the top surface of top cap, the liquid feeding pipe runs through the partial threaded connection who goes out the top cap top surface has sealed lid, threaded sleeve runs through the top surface of top cap, the knob is located the top surface of top cap.

The technical effect achieved by adopting the scheme is as follows: liquid can be added into the liquid storage tank outside the equipment tank body, and the screw thread sleeve can be conveniently adjusted and rotated outside.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. this ration liquid filler is used in central air conditioning maintenance, through having set up the rolling dish, and flexible rolling pipe sets up in the inside of rolling dish, and be connected through rotating joint and liquid supply pipe rotation in rolling dish axle center department, thereby make flexible rolling pipe can wind the outside of rolling to the rolling dish, can directly stimulate flexible rolling pipe and stretch out during the use, can pull out length according to length adjustment, when unclamping simultaneously, drive rolling dish automatic rolling flexible rolling pipe under reset coil spring's rolling, realize automatic accomodating, reach and be convenient for accomodate and obtain the purpose, be difficult for loosely scattering moreover, convenient to use.

2. This ration liquid filler is used in central air conditioning maintenance has set up the volume that the liquid reserve tank was discharged into ration incasement portion through having set up the solenoid valve, measures through contact liquid level sensor and reaches the back of settlement position to liquid capacity, and the automatic control of liquid feeding volume is realized to the self-closing solenoid valve, and the rethread liquid feeding pump is pumped and is removed the injection.

3. This ration liquid filler is used in central air conditioning maintenance can adjust the interval of telescopic link bottom and liquid level through rotating the screw sleeve to adjust the height of contact type liquid level sensor, reach the purpose of whole setting for the liquid feeding volume.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top view of the apparatus of the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure of FIG. 2 at A-A in accordance with the present utility model;

FIG. 4 is a schematic cross-sectional view of the structure of the present utility model at B-B in FIG. 3;

fig. 5 is a schematic structural view of the equipment box of the present utility model.

In the figure: 1-equipment box, 2-liquid storage tank, 3-filling pipe, 4-vent, 5-liquid feeding pump, 6-reel, 7-flexible reel, 8-fixed block, 9-filling nozzle, 10-lag, 11-notch, 12-pulling lug, 13-threaded sleeve, 14-knob, 15-threaded block, 16-rotary joint, 17-pipette, 18-liquid feeding pipe, 19-reset coil spring, 20-quantitative box, 21-solenoid valve, 22-telescopic link, 23-reel frame, 24-top cap.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.

Embodiment one: as shown in fig. 1 to 5, a quantitative liquid feeder for maintenance of a central air conditioner comprises a device box body 1, wherein one side of the inner wall of the device box body 1 is fixedly connected with a quantitative box 20, one corner of the inner wall of the device box body 1 is fixedly connected with a liquid feeding pump 5, the input end of the liquid feeding pump 5 is fixedly connected with a liquid suction pipe 17, one end of the liquid suction pipe 17 away from the liquid feeding pump 5 is fixedly connected and communicated with the bottom of the inner wall of the quantitative box 20, the output end of the liquid feeding pump 5 is fixedly connected with a liquid feeding pipe 18, one side of the inner wall of the device box body 1 close to the liquid feeding pump 5 is fixedly connected with a reel frame 23, the center of the top of the inner wall of the reel frame 23 is rotationally connected with a winding disc 6, the center of the inner wall of the winding disc 6 is fixedly connected with a telescopic winding pipe 7, the center of one side of the winding disc 6 is fixedly connected with a rotary joint 16, one end of the telescopic winding pipe 7 is fixedly connected with one side of the rotary joint 16, one end of the liquid feeding pipe 18 far away from the liquid feeding pump 5 is fixedly connected with the other side of the rotary joint 16, the telescopic winding pipe 7 is rotationally connected with the liquid feeding pipe 18 through the rotary joint 16, the telescopic winding pipe 7 penetrates through the edge of one side of the outer wall of the winding disc 6, one side of the telescopic winding pipe 7 penetrating through the winding disc 6 is wound outside the winding disc 6, one side of the telescopic winding pipe 7 far away from the winding disc 6 penetrates through the outer wall of the equipment box body 1 and is in sliding connection with the equipment box body 1, one end of the telescopic winding pipe 7 far away from the winding disc 6 is fixedly connected with the fixing block 8, the center of one side surface of the fixing block 8 is fixedly connected with the liquid feeding nozzle 9, one end of the central shaft of the winding disc 6 penetrates through the outer side surface of the winding disc frame 23, one side of the central shaft of the winding disc 6 penetrates through the winding disc frame 23 and is sleeved with the reset coil spring 19, one side of the reset coil spring 19 is fixedly connected with one side surface of the winding disc frame 23, the other side of the reset coil spring 19 is fixedly connected with the outer wall of the central shaft of the winding disc 6.

As an alternative technical scheme of the utility model, a protecting sleeve 10 is fixedly connected to the outer wall of the equipment box body 1 at a position corresponding to the position of the telescopic winding pipe 7 penetrating out of the outer wall of the equipment box body 1, the size of the fixing block 8 is matched with the size of the inner wall of the protecting sleeve 10, a notch 11 is formed in one side of the top of the protecting sleeve 10, a pulling lug 12 is fixedly connected to the center of the top surface of the fixing block 8, the position of the pulling lug 12 corresponds to the position of the notch 11, the thickness of the pulling lug 12 is matched with the width of the notch 11, the length of the notch 11 is matched with the length of the protecting sleeve 10, so that after the fixing block 8 is placed in the protecting sleeve 10, the pulling lug 12 penetrates out of the protecting sleeve 10, the fixing block 8 is conveniently pulled out, and the protecting sleeve 10 can protect the liquid feeding nozzle 9.

As an alternative technical scheme of the utility model, the edge of one side of the top surface of the equipment box body 1 is fixedly connected with the liquid storage box 2, the center of the bottom surface of the liquid storage box 2 is fixedly connected with the electromagnetic valve 21, the bottom of the electromagnetic valve 21 is fixedly connected with the top of the quantitative box 20, the liquid storage box 2 is communicated with the inside of the quantitative box 20 through the electromagnetic valve 21, and the liquid adding amount is conveniently controlled through the electromagnetic valve 21.

As an alternative technical scheme of the utility model, the edge on one side of the top surface of the quantitative box 20 is rotationally connected with the threaded sleeve 13, the top of the threaded sleeve 13 is fixedly connected with the knob 14, the quantitative box 20 is slidably connected with the telescopic rod 22 at a position corresponding to the center of the threaded sleeve 13, the top of the telescopic rod 22 is fixedly connected with the threaded block 15, the threaded block 15 is in threaded connection with the threaded sleeve 13, the bottom of the telescopic rod 22 is fixedly connected with the contact type liquid level sensor, and the distance between the bottom of the telescopic rod 22 and the liquid level can be adjusted by rotating the threaded sleeve 13, so that the height of the contact type liquid level sensor is adjusted, and the purpose of setting the liquid adding amount is achieved by punching adjustment.

As an alternative technical scheme of the utility model, the signal output end of the contact type liquid level sensor is electrically connected with the signal input end of the electromagnetic valve 21, the electromagnetic valve 21 is opened through switch control, the electromagnetic valve 21 is closed through the signal control of the contact type liquid level sensor, and after the liquid capacity reaches a set position through the measurement of the contact type liquid level sensor, the electromagnetic valve 21 is automatically closed, so that the automatic control of the liquid adding amount is realized.

As an alternative technical scheme of the utility model, one side surface of the equipment box body 1, which is close to the telescopic rod 22, and the quantitative box 20 are made of transparent materials, quantitative scales are arranged on the outer wall of the telescopic rod 22, and the transparent materials are convenient for observing the liquid quantity in the quantitative box 20 and simultaneously are convenient for determining the adjusting height of the bottom of the telescopic rod 22.

As an alternative technical scheme of the utility model, the top surface of the equipment box body 1 is fixedly connected with the top cover 24 through screws, the top parts of the liquid storage box 2 and the quantitative box 20 are respectively provided with the vent holes 4, the center of the top surface of the liquid storage box 2 is fixedly connected with the liquid adding pipe 3, the liquid adding pipe 3 penetrates out of the top surface of the top cover 24, the part of the liquid adding pipe 3 penetrating out of the top surface of the top cover 24 is in threaded connection with the sealing cover, the threaded sleeve 13 penetrates out of the top surface of the top cover 24, and the knob 14 is positioned on the top surface of the top cover 24, so that liquid can be added into the liquid storage box 2 outside the equipment box body 1, and meanwhile, the threaded sleeve 13 can be conveniently adjusted and rotated outside.

A quantitative liquid feeder for maintaining a central air conditioner has the following working principle:

1) Firstly, the threaded sleeve 13 is rotated, the distance between the bottom of the telescopic rod 22 and the liquid level is adjusted, so that the height of the contact type liquid level sensor is adjusted, and the liquid adding amount is set;

2) Then, the electromagnetic valve 21 is manually opened, so that the liquid tank 2 injects liquid into the quantitative tank 20, and after the liquid level reaches a set height, the contact type liquid level sensor measures the liquid capacity and automatically closes the electromagnetic valve 21;

3) Then pulling the fixed block 8 to the air conditioner liquid adding port to enable the liquid adding nozzle 9 to be inserted into the air conditioner liquid adding port, then starting the liquid adding pump 5, closing the liquid inside the quantitative box 20 after the liquid is added, then loosening the fixed block 8, and driving the rolling disc 6 to automatically roll the telescopic rolling tube 7 under the rolling of the reset coil spring 19 to automatically store.

In summary, this ration liquid feeder is used in central air conditioning maintenance, through having set up reel 6, and flexible winding pipe 7 sets up in the inside of reel 6, and be connected through rotation joint 16 and feed pipe 18 rotation in reel 6 axle center department, thereby make flexible winding pipe 7 can wind the outside of reel 6, can directly stimulate flexible winding pipe 7 and stretch out during the use, can be according to length adjustment pull-out length, simultaneously when unclamping, drive reel 6 automatic winding flexible winding pipe 7 under the rolling of reset coil spring 19, realize automatic accomodating, reach the purpose of being convenient for accomodate, and be difficult for the loosening, and facilitate the use, the rethread has set up solenoid valve 21 can effectively control the volume of liquid tank 2 row into ration case 20 inside liquid, after the liquid capacity reaches the settlement position through contact liquid level sensor measurement, automatic shutdown solenoid valve 21 realizes the automated control of adding the liquid volume, rethread liquid pump 5 take out the injection can, rethread screw thread sleeve 13 can adjust telescopic link 22 bottom and the interval of liquid level, thereby adjust contact liquid level sensor's height, the purpose of setting for adding the liquid level.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A quantitative liquid filler for maintaining a central air conditioner is characterized in that: the device comprises a device box body (1), one side fixedly connected with ration case (20) of device box body (1) inner wall, one corner fixedly connected with liquid feeding pump (5) of device box body (1) inner wall, the input fixedly connected with liquid suction pipe (17) of liquid feeding pump (5), one end that liquid suction pipe (17) kept away from liquid feeding pump (5) and the bottom fixed connection and the intercommunication of ration case (20) inner wall, the output fixedly connected with liquid feeding pipe (18) of liquid feeding pump (5), one side fixedly connected with reel frame (23) that is close to liquid feeding pump (5) of device box body (1) inner wall, the center department rotation of reel frame (23) inner wall top is connected with reel (6), the center department fixedly connected with flexible rolling pipe (7) of reel (6) inner wall, the center department fixedly connected with rotation joint (16) of one side of flexible rolling pipe (6), one end and one side of rotation joint (16) of flexible rolling pipe (7) are fixedly connected, one end that liquid feeding pipe (18) kept away from liquid feeding pump (5) is connected with one side of rotation joint (16) and the flexible rolling pipe (6) is through the rotation joint (16), one side of the flexible rolling pipe (6) is passed through the rotation joint (6), the utility model discloses a flexible winding tube (7) runs through the outside of one side rolling of rolling dish (6) at rolling dish (6), one side that rolling dish (6) was kept away from to flexible winding tube (7) runs through equipment box (1) outer wall and with equipment box (1) sliding connection, one end fixedly connected with fixed block (8) that rolling dish (6) was kept away from to flexible winding tube (7), the center department fixedly connected with liquid feeding mouth (9) of a fixed block (8) side, the lateral surface of rolling dish (23) is run through to one end of rolling dish (6) center pin, one side that rolling dish (6) center pin runs through rolling dish frame (23) has cup jointed reset coil spring (19), one side of reset coil spring (19) and one side fixed connection of rolling dish frame (23), the opposite side of reset coil spring (19) and the center pin outer wall fixed connection of rolling dish (6).

2. The quantitative liquid feeder for maintenance of a central air conditioner according to claim 1, wherein: the utility model discloses a flexible rolling pipe, including equipment box (1) outer wall, flexible winding pipe (7), fixed block (8) and lag (10) are worn out to the equipment box (1) outer wall position corresponding position fixedly connected with lag (10), notch (11) have been seted up to the size of fixed block (8) top with the size looks adaptation of lag (10) inner wall, the center department fixedly connected with pulling ear (12) of fixed block (8) top surface, the position of pulling ear (12) corresponds with the position of notch (11), the thickness of pulling ear (12) and the width looks adaptation of notch (11), the length of notch (11) and the length looks adaptation of lag (10).

3. The quantitative liquid feeder for maintenance of a central air conditioner according to claim 2, wherein: the device is characterized in that a liquid storage tank (2) is fixedly connected to the edge of one side of the top surface of the device box body (1), an electromagnetic valve (21) is fixedly connected to the center of the bottom surface of the liquid storage tank (2), the bottom of the electromagnetic valve (21) is fixedly connected with the top of the quantitative box (20), and the liquid storage tank (2) is communicated with the inside of the quantitative box (20) through the electromagnetic valve (21).

4. A dosing fluid dispenser for servicing a central air conditioner as defined in claim 3, wherein: the edge rotation of ration case (20) top surface one side is connected with screw sleeve (13), the top fixedly connected with knob (14) of screw sleeve (13), the position sliding connection that ration case (20) and screw sleeve (13) center department correspond has telescopic link (22), the top fixedly connected with screw thread piece (15) of telescopic link (22), screw thread piece (15) and screw sleeve (13) threaded connection, the bottom fixedly connected with contact level sensor of telescopic link (22).

5. The quantitative liquid feeder for maintaining a central air conditioner according to claim 4, wherein: the signal output end of the contact type liquid level sensor is electrically connected with the signal input end of the electromagnetic valve (21), the electromagnetic valve (21) is opened through switch control, and the electromagnetic valve (21) is closed through signal control of the contact type liquid level sensor.

6. The quantitative liquid feeder for maintaining a central air conditioner according to claim 5, wherein: the equipment box body (1) is close to one side face of telescopic link (22) and ration case (20) are transparent material, the outer wall of telescopic link (22) has seted up the ration scale.

7. The quantitative liquid feeder for maintaining a central air conditioner according to claim 6, wherein: the top surface of equipment box (1) is through screw fixedly connected with top cap (24), air vent (4) have all been seted up at the top of liquid reserve tank (2) and ration case (20), the center department fixed connection liquid feeding pipe (3) of liquid reserve tank (2) top surface, the top surface of top cap (24) is run through in liquid feeding pipe (3), part threaded connection that top cap (24) top surface was run through in liquid feeding pipe (3) has sealed lid, the top surface of top cap (24) is run through in threaded sleeve (13), knob (14) are located the top surface of top cap (24).