CN213599619U

CN213599619U - Oil discharging and injecting device for main unit of central air conditioner

Info

Publication number: CN213599619U
Application number: CN202021852613.5U
Authority: CN
Inventors: 易军
Original assignee: Changsha Hongyuan Refrigeration Equipment Co ltd
Current assignee: Changsha Hongyuan Refrigeration Equipment Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-07-02
Anticipated expiration: 2030-08-27

Abstract

The utility model provides a central air conditioning host computer row oiling device, the on-line screen storage device comprises a base, the base bottom all bolted all around has the universal wheel, the top of base has bolted connection fixed case, the positive left side of fixed case has bolted connection the controller, the left side of fixed incasement chamber has bolted connection first oil storage tank, the right side of fixed roof portion has bolted connection vacuum compressor, vacuum compressor's oil inlet is through defeated oil pipe and first oil storage tank's top intercommunication. The utility model discloses a lead to groove, the traveller, servo motor, the lead screw, the thread bush, the connecting seat, the sliding sleeve, the cooperation of connecting plate and fixing base, according to user's actual demand, the accessible support column drives the supporting legs and carries out oscilaltion and adjust to reach and remove and fixed purpose to base and fixed case, improved the mobility of base and fixed case greatly, satisfy the user and carry out the work demand of quick filling refrigeration oil to central air conditioning host computer, improve the filling efficiency of central air conditioning host computer refrigeration oil.

Description

Oil discharging and injecting device for main unit of central air conditioner

Technical Field

The utility model relates to a central air conditioning host computer field especially relates to a central air conditioning host computer row oiling device.

Background

The central air conditioning system is composed of one or more cold and heat source systems and a plurality of air conditioning systems, the system is different from the traditional refrigerant type air conditioner, air (such as a single machine, VRV) is processed in a centralized way to achieve the comfort requirement, and the principle of liquid gasification refrigeration is adopted to provide the required cold energy for the air conditioning systems so as to offset the heat load of the indoor environment; the heating system provides the air conditioning system with the required heat to offset the indoor environment cooling and heating load.

Along with present central air conditioning technology's development day by day, at the family, market and office space all have the design, after central air conditioning host computer uses for a long time, its inside refrigeration oil needs to be changed to need use row oiling device, current row oiling device is in the use, mostly be fixed, can't be according to user's actual demand, remove and fix it, reduce row oiling device's mobility, it removes row oiling device to need the user to pass through traction equipment, improve row oiling device's use cost.

Therefore, it is necessary to provide a device for draining and filling oil for a main unit of a central air conditioner to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a central air conditioning host computer row oiling device has solved current row oiling device in the use, and is fixed mostly, can't remove and fixed problem to it according to user's actual demand.

For solving the technical problem, the utility model provides a pair of oiling device is arranged to central air conditioning host computer, the on-line screen storage device comprises a base, the base bottom all bolted all around has the universal wheel, the top of base has bolted connection fixed case, the positive left side of fixed case has bolted connection the controller, the left side of fixed incasement chamber has bolted connection first oil storage tank, the right side at fixed roof portion has bolted connection vacuum compressor, vacuum compressor's oil inlet is through the top intercommunication of defeated oil pipe with first oil storage tank, vacuum compressor's oil-out has connector through adding oil pipe intercommunication, the inner chamber of base is provided with elevating system.

Preferably, the lifting mechanism comprises a through groove, a sliding column, a servo motor, a screw rod, a threaded sleeve, a connecting seat, a sliding sleeve, a connecting plate, a fixed seat, a supporting column and supporting legs, through grooves are vertically arranged on both sides of the inner cavity of the base from front to back, sliding columns are vertically bolted on the peripheries of both sides of the inner cavity of the base, a servo motor is bolted at the center of the bottom of the inner cavity of the base, an output shaft of the servo motor is in bolted connection with a screw rod, the surface of the screw rod is connected with a threaded sleeve in a threaded manner, connecting seats are transversely bolted on the two sides of the threaded sleeve, a sliding sleeve which is in sliding fit with the sliding column is transversely bolted on the outer side of the connecting seat, a connecting plate is bolted on one side of the sliding sleeve, which is far away from the sliding column, one side of the sliding sleeve, which is far away from the connecting plate, is bolted with a fixed seat, one side of the fixed seat, which is far away from the sliding sleeve, runs through the through groove and is vertically bolted with a support column, and the bottom of the support column is bolted with a support leg.

Preferably, the second oil storage tank has been bolted on the right side of fixed incasement chamber, first oil storage tank and second oil storage tank bottom intercommunication in opposite directions have communicating pipe, the inner chamber intercommunication of communicating pipe has the check valve, the bottom of first oil storage tank and second oil storage tank all fills up and is equipped with insulating pad, the bottom of insulating pad and the bottom bolt of fixed incasement chamber, the bottom in the first oil storage tank and the second oil storage tank outside all communicates there is the oil extraction pipe, the inner chamber intercommunication of oil extraction pipe has first control valve.

Preferably, the inner chambers of the oil conveying pipe and the oil filling pipe are communicated with a second control valve, buffer springs are vertically bolted on two sides of the bottom of the inner chamber of the base, the tops of the buffer springs are bolted on the bottom of the connecting plate, cushion pads are bolted on two sides of the top of the inner chamber of the base, and the cushion pads are located right above the connecting plate.

Preferably, the bottoms of the two sides of the base are respectively bolted with a sliding cylinder in sliding fit with the supporting column, the top of the supporting column is sleeved with a limiting spring, and the outer side of the limiting spring is respectively bolted with the sliding cylinder and the inner side of the fixed seat.

Preferably, the bottom on the right side of the front face of the fixed box is embedded with a heat dissipation grid, the periphery of an inner cavity of the heat dissipation grid is bolted with flow guide strips, and the top on the right side of the fixed box is bolted with a clamping sleeve matched with the joint of the connecting joint in a clamping manner.

Compared with the prior art, the utility model provides a pair of central air conditioning host computer row oiling device has following beneficial effect:

the utility model provides a central air-conditioning main unit oil discharging and filling device,

1. the utility model discloses a lead to groove, the traveller, servo motor, the lead screw, the thread bush, the connecting seat, the sliding sleeve, the cooperation of connecting plate and fixing base, according to user's actual demand, the accessible support column drives the supporting legs and carries out oscilaltion and adjust to reach and remove and fixed purpose to base and fixed case, improved the mobility of base and fixed case greatly, satisfy the user and carry out the work demand of quick filling refrigeration oil to central air conditioning host computer, improve the filling efficiency of central air conditioning host computer refrigeration oil.

2. The utility model increases the oil storage capacity of the first oil storage tank through the second oil storage tank, the communicating pipe and the one-way valve, avoids the oil shortage phenomenon in the process of filling the refrigeration oil, can perform the anti-static treatment on the bottoms of the first oil storage tank and the second oil storage tank through the insulating pad, is convenient for a user to respectively discharge the refrigeration oil in the first oil storage tank and the second oil storage tank through the oil discharge pipe and the first control valve, can buffer and limit the lifting distance of the connecting plate through the buffer spring and the buffer pad, avoids the collision between the sliding sleeve and the inner wall of the base, can perform the elastic limit on the lifting distance of the supporting column through the limit spring, simultaneously also enhances the lifting uniform velocity of the supporting column, can discharge the heat in the fixed box through the radiating grid, avoids the heat from influencing the refrigeration oil in the first oil storage tank and the second oil storage tank, through the cutting sleeve, the connecting joint can be clamped and hung, and a user can conveniently take and place the connecting joint.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of an oil discharging and injecting device for a central air conditioner main unit according to the present invention;

FIG. 2 is a sectional view of the structure of the fixing box shown in FIG. 1;

fig. 3 is a structural sectional view of the base shown in fig. 1.

Reference numbers in the figures: 1. a base; 2. a universal wheel; 3. a fixed box; 4. a controller; 5. a first oil storage tank; 6. a vacuum compressor; 7. an oil delivery pipe; 8. an oil filler tube; 9. connecting a joint; 10. a lifting mechanism; 101. A through groove; 102. a traveler; 103. a servo motor; 104. a screw rod; 105. a threaded sleeve; 106. a connecting seat; 107. a sliding sleeve; 108. a connecting plate; 109. a fixed seat; 1010. a support pillar; 1011. supporting legs; 11. a second oil storage tank; 12. a communicating pipe; 13. an insulating pad; 14. an oil discharge pipe; 15. a buffer spring; 16. A cushion pad; 17. a limiting spring; 18. a heat dissipation grid; 19. and (4) a ferrule.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a central air conditioner host oil draining and injecting device according to the present invention; FIG. 2 is a sectional view of the structure of the fixing box shown in FIG. 1; fig. 3 is a structural section view of the base shown in fig. 1 a central air conditioning host computer oil injection device, including base 1, all bolted connections all around of base 1 bottom have universal wheel 2, the top bolted connection of base 1 has fixed box 3, the positive left side bolted connection of fixed box 3 has controller 4, the left side bolted connection of fixed box 3 inner chamber has first oil storage tank 5, the right side bolted connection at fixed box 3 top has vacuum compressor 6, vacuum compressor 6's oil inlet is through defeated oil pipe 7 and first oil storage tank 5's top intercommunication, vacuum compressor 6's oil-out has connector 9 through filling oil pipe 8 intercommunication, the inner chamber of base 1 is provided with elevating system 10.

The lifting mechanism 10 comprises a through groove 101, a sliding column 102, a servo motor 103, a screw rod 104, a threaded sleeve 105, a connecting seat 106, a sliding sleeve 107, a connecting plate 108, a fixed seat 109, a supporting column 1010 and supporting legs 1011, wherein the through groove 101 is vertically arranged on both sides of an inner cavity of the base 1 from front to back, the sliding column 102 is vertically bolted on the periphery of both sides of the inner cavity of the base 1, the servo motor 103 is bolted on the center of the bottom of the inner cavity of the base 1, an output shaft of the servo motor 103 is bolted on the screw rod 104, the threaded sleeve 105 is in threaded connection with the surface of the screw rod 104, the connecting seat 106 is horizontally bolted on both sides of the threaded sleeve 105, the sliding sleeve 107 in sliding fit with the sliding column 102 is horizontally bolted on the outer side of the connecting seat 106, the connecting plate 108 is bolted on one side of the sliding sleeve 107 far away from the sliding column 102, one side that sliding sleeve 107 was kept away from to fixing base 109 runs through logical groove 101 and vertical bolt has connect support column 1010, support column 1011 has been bolted to the bottom of support column 1010, and according to user's actual demand, accessible support column 1010 drives support column 1011 and carries out oscilaltion and adjusts to reach and remove and fixed purpose to base 1 and fixed case 3, improved base 1 and fixed case 3's removal mobility greatly.

The right side of 3 inner chambers of fixed box has bolted connection second oil storage tank 11, first oil storage tank 5 and the 11 bottom intercommunication in opposite directions of second oil storage tank have communicating pipe 12, the inner chamber intercommunication of communicating pipe 12 has the check valve, increases the oil reserve of first oil storage tank 5, avoids the frigories phenomenon of lack of oil to appear among the refrigeration oil filling process, the bottom of first oil storage tank 5 and second oil storage tank 11 all fills up and is equipped with insulating pad 13, the bottom of insulating pad 13 and the bottom bolt of 3 inner chambers of fixed box can prevent static to the bottom of first oil storage tank 5 and second oil storage tank 11 and handle, the bottom in first oil storage tank 5 and the 11 outside of second oil storage tank all communicates has oil discharge pipe 14, oil discharge pipe 14's inner chamber intercommunication has first control valve, and convenient to use person discharges the frigories in first oil storage tank 5 and the 11 of second oil storage tank respectively.

Defeated oil pipe 7 and the inner chamber that adds oil pipe 8 all communicate there is the second control valve, the equal vertical bolt in both sides of 1 inner chamber bottom of base has buffer spring 15, buffer spring 15's top and the bottom bolt of connecting plate 108, the equal bolt in both sides at 1 inner chamber top of base has blotter 16, blotter 16 is located connecting plate 108 directly over, can cushion spacingly to the lift distance of connecting plate 108, avoids bumping between sliding sleeve 107 and the 1 inner wall of base.

The bottom of base 1 both sides all has bolted the smooth section of thick bamboo with support column 1010 sliding fit, the top cover of support column 1010 is equipped with spacing spring 17, spacing spring 17's the outside respectively with the inboard bolt of smooth section of thick bamboo and fixing base 109, can carry out elasticity spacing to support column 1010's lift distance, also strengthen support column 1010's lift uniform velocity simultaneously.

Fixed 3 positive right sides of case bottom inlays and is equipped with radiator grille 18, all bolted connections all around of 18 inner chambers of radiator grille have the water conservancy diversion strip, can discharge fixed 3 inside heats of case, avoid the heat to cause the influence to the inside refrigeration oil of first oil storage tank 5 and second oil storage tank 11, the top on fixed 3 right sides of case has been bolted and has been connect with 9 joint complex cutting ferrule 19 of attach fitting, can carry out the joint to attach fitting 9 and hang and establish, and the person of facilitating the use is taken promptly to attach fitting 9 and is put.

The utility model provides a pair of oiling device is arranged to central air conditioning host computer's theory of operation as follows:

when the user moves the base 1 and the fixed box 3, the servo motor 103 is controlled by the user through the controller 4 to rotate forward, the servo motor 103 drives the screw rod 104 to rotate forward, the screw rod 104 drives the threaded sleeve 105 to move downward, the threaded sleeve 105 drives the plurality of sliding sleeves 107 to slide downward on the surface of the sliding column 102 through the connecting seat 106 and the connecting plate 108, the sliding sleeves 107 drive the fixed seat 109 to move stably downward in the through groove 101, the fixed seat 109 drives the supporting leg 1011 to move downward through the supporting column 1010, the supporting leg 1011 drives the fixed box 3 to uniformly jack up through the base 1 along with the descending of the height of the supporting leg 1011, so that the universal wheel 2 is separated from the ground surface, thereby the base 1 and the fixed box 3 can be fixed, then the user controls the servo motor 103 through the controller 4 to drive the screw rod 104 to rotate backward, and similarly, the fixed seat 109 drives the supporting leg 1011 to move upward to the original position through the supporting column, according to the gravity factors of the base 1 and the fixed box 3, the base 1 and the fixed box 3 drive the universal wheel 2 to descend to be in contact with the ground surface, the universal wheel 2 is matched, a user pushes the fixed box 3 to move to the position of a central air-conditioning host, the user takes out the connecting joint 9 from the clamping sleeve 19 in advance and communicates and fixes the connecting joint with a filling port of the central air-conditioning host, then the controller 4 controls the vacuum compressor 6 to supply the refrigerant oil in the first oil storage tank 5 into the oil filling pipe 8 through the oil conveying pipe 7, and then the refrigerant oil is injected into the central air-conditioning host through the connecting joint 9.

the utility model discloses a lead to groove 101, traveller 102, servo motor 103, lead screw 104, thread bush 105 connecting seat 106 sliding sleeve 107, the cooperation of connecting plate 108 and fixing base 109, according to user's actual demand, accessible support column 1010 drives supporting legs 1011 and carries out the oscilaltion regulation, in order to reach and remove and fixed purpose base 1 and fixed case 3, the mobility of base 1 and fixed case 3 has been improved greatly, satisfy the user and carry out the work demand of quick filling refrigeration oil to central air conditioning host computer, improve the filling efficiency of central air conditioning host computer refrigeration oil.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a central air conditioning host computer row oiling device, includes base (1), its characterized in that: the universal wheel (2) are bolted to the periphery of the bottom of the base (1), the fixed box (3) is bolted to the top of the base (1), the controller (4) is bolted to the front left side of the fixed box (3), the first oil storage tank (5) is bolted to the left side of the inner cavity of the fixed box (3), the vacuum compressor (6) is bolted to the right side of the top of the fixed box (3), the oil inlet of the vacuum compressor (6) is communicated with the top of the first oil storage tank (5) through the oil conveying pipe (7), the oil outlet of the vacuum compressor (6) is communicated with the connecting joint (9) through the oil filling pipe (8), and the inner cavity of the base (1) is provided with the lifting mechanism (10).

2. The central air-conditioning main unit oil draining and injecting device according to claim 1, wherein the lifting mechanism (10) comprises a through groove (101), a sliding column (102), a servo motor (103), a screw rod (104), a threaded sleeve (105), a connecting seat (106), a sliding sleeve (107), a connecting plate (108), a fixed seat (109), a supporting column (1010) and a supporting leg (1011), the through groove (101) is vertically formed in each of two sides of an inner cavity of the base (1) from front to back, the sliding column (102) is vertically bolted on each of the peripheries of the two sides of the inner cavity of the base (1), the servo motor (103) is bolted on the center of the bottom of the inner cavity of the base (1), the screw rod (104) is bolted on an output shaft of the servo motor (103), the threaded sleeve (105) is in threaded connection with the surface of the screw rod (104), the connecting seat (106) is transversely bolted on each of, the lateral bolt in the outside of connecting seat (106) has connect sliding sleeve (107) with traveller (102) sliding fit, sliding sleeve (107) keep away from one side bolt of traveller (102) and have connect connecting plate (108), sliding sleeve (107) keep away from one side bolt of connecting plate (108) and have connect fixing base (109), one side that sliding sleeve (107) were kept away from in fixing base (109) runs through logical groove (101) and vertical bolt has connect support column (1010), the bottom bolt of support column (1010) has connect supporting legs (1011).

3. The oil discharging and injecting device of the main unit of the central air conditioner as claimed in claim 1, wherein the right side of the inner cavity of the fixed box (3) is bolted with a second oil storage tank (11), the opposing bottoms of the first oil storage tank (5) and the second oil storage tank (11) are communicated with a communicating pipe (12), the inner cavity of the communicating pipe (12) is communicated with a one-way valve, the bottoms of the first oil storage tank (5) and the second oil storage tank (11) are both padded with an insulating pad (13), the bottom of the insulating pad (13) is bolted with the bottom of the inner cavity of the fixed box (3), the bottoms of the outer sides of the first oil storage tank (5) and the second oil storage tank (11) are both communicated with an oil discharging pipe (14), and the inner cavity of the oil discharging pipe (14) is communicated with a first control valve.

4. The central air-conditioning main unit oil draining and injecting device according to claim 1, wherein the inner cavities of the oil delivery pipe (7) and the oil filling pipe (8) are communicated with a second control valve, the two sides of the bottom of the inner cavity of the base (1) are vertically bolted with buffer springs (15), the tops of the buffer springs (15) are bolted with the bottom of the connecting plate (108), the two sides of the top of the inner cavity of the base (1) are bolted with cushion pads (16), and the cushion pads (16) are located right above the connecting plate (108).

5. The oil discharging and injecting device of the main unit of the central air conditioner as claimed in claim 1, wherein the bottom parts of the two sides of the base (1) are respectively bolted with a sliding cylinder in sliding fit with the supporting column (1010), the top part of the supporting column (1010) is sleeved with a limiting spring (17), and the outer side of the limiting spring (17) is respectively bolted with the sliding cylinder and the inner side of the fixed seat (109).

6. The oil discharging and injecting device of the central air-conditioning main unit according to claim 1, wherein a heat dissipation grid (18) is embedded in the bottom of the right side of the front surface of the fixing box (3), flow guide strips are bolted to the periphery of an inner cavity of the heat dissipation grid (18), and a clamping sleeve (19) which is in clamping fit with the connecting joint (9) is bolted to the top of the right side of the fixing box (3).