Installation device of central air conditioner indoor unit and installation technology of installation device

Abstract

The installation device comprises a hanging rod and an installation frame, the central air conditioner indoor unit is installed on the inner side of the installation frame in an inserted mode, connecting cylinders are installed at the four corners of the installation frame and can be connected to the outer side of the hanging rod in a sleeving mode, and the hanging rod comprises a rod body, a receding hole, a sliding sleeve and a screw rod; the rod body is installed on an external suspended ceiling, a receding hole is formed in the lower wall of the rod body, a sliding sleeve is installed in the receding hole in a sliding mode, and the screw rod can be installed in the connecting cylinder in an inserted mode. And then the central air conditioner indoor unit is lifted upwards, so that the hanging rod can be accurately and quickly inserted into the sleeve in the connecting cylinder under the guidance of the sliding sleeve and the screw rod, the position does not need to be adjusted for multiple times, and the installation time of the central air conditioner indoor unit is greatly shortened.

Description

Technical Field

[0001] This patent relates to the field of central air-conditioning technology, specifically an installation device and installation process for a central air-conditioning indoor unit. Background Art

[0002] At present, central air conditioning refers to a large air conditioning system, which is composed of a main unit and a terminal. The main unit is divided into a water-cooled unit and an air-cooled unit, and the terminal equipment mainly consists of an air conditioning unit and a fan coil. The indoor unit of the central air conditioner is an important component of the air conditioning unit. When installing the indoor unit, four hanging rods need to be installed on the ceiling of the house. There are installation holes on the four corners of the indoor unit. The operator needs to align the four installation holes of the indoor unit with the hanging rods, and then pass the indoor unit through the hanging rods and fix the indoor unit on the hanging rods by bolting;

[0003] However, since the indoor unit of the central air conditioner is installed by hoisting, it is not convenient to align it with the hanging rod because it is lifted manually during the hoisting process. It is necessary to adjust its position many times, which is cumbersome. Summary of the invention

[0004] The purpose of this patent is to provide an installation device and installation process for a central air conditioner indoor unit to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the present patent provides the following technical solutions: a central air conditioner indoor unit installation device, comprising a suspension rod and a mounting frame, wherein the suspension rods are provided with four in total, and the four suspension rods are installed on the external ceiling, and the central air conditioner indoor unit is inserted and installed on the inner side of the mounting frame, and the four corners of the mounting frame are provided with connecting tubes, and the connecting tubes can be sleeved on the outer side of the suspension rod;

[0006] The suspension rod comprises a rod body, a clearance hole, a sliding sleeve and a screw rod. The rod body is installed on the external ceiling. The lower wall of the rod body is provided with a clearance hole. A sliding sleeve is slidably installed in the clearance hole. The screw rod can be inserted and installed in the connecting tube. The inner side wall of the sliding sleeve is provided with an internal thread. The screw rod can be screwed into and installed in the sliding sleeve.

[0007] A sleeve is rotatably mounted on the inner side wall of the connecting tube, the inner side wall of the sleeve is provided with an internal thread, the outer side wall of the rod body is provided with an external thread, and the sleeve can be rotatably mounted on the outer side of the rod body.

[0008] Preferably, there are four sleeves in total, and the four sleeves are respectively arranged in the four connecting tubes. The inner cavity of the mounting frame is provided with a clearance groove, and the clearance groove is communicated with the inner cavity of the connecting tube. A transmission belt is arranged in the clearance groove. There are four transmission belts in total, and the four transmission belts are all sleeved on the outside of the sleeves.

[0009] Preferably, a convex ring is installed on the outer side wall of the sleeve, and an annular groove is opened on the inner side wall of the connecting tube, and the convex ring can be inserted and installed in the annular groove.

[0010] Preferably, one end of a support plate is installed on both left and right sides of the lower wall of the mounting frame, and the other end of the support plate is provided with a threaded hole, in which a bolt is screwed and installed, and the bolt can fit with the lower wall of the central air-conditioning indoor unit.

[0011] Preferably, a positioning groove is provided on the outer side wall of the sleeve, the cross section of the positioning groove is annular, and the transmission belt is arranged in the positioning groove.

[0012] Preferably, a rubber ring is sleeved on the outer side of the bolt, and the rubber ring can fit with the lower wall of the central air-conditioning indoor unit.

[0013] A process for installing a central air conditioner indoor unit installation device comprises the following steps:

[0014] Step 1, determine the installation position of the suspension rod on its external ceiling and drill holes using a drilling machine;

[0015] Step 2, insert the suspension rod into the hole and fix it with fasteners;

[0016] Step 3, placing the central air conditioner indoor unit on the external scaffolding, and sleeve and fix the mounting frame on the outer side of the central air conditioner indoor unit;

[0017] Step 4: Insert the screw into the sleeves in the connecting tubes at the four corners of the mounting frame;

[0018] Step 5, slide the sliding sleeve inside the suspension rod downward to contact the screw rod, and screw the screw rod into the sliding sleeve by rotating the screw rod. At this time, the position of the indoor unit of the central air conditioner is fixed by the cooperation between the screw rod and the sliding sleeve;

[0019] Step 6: The staff lifts the central air conditioner indoor unit upwards so that its suspension rod is inserted into the sleeve in the connecting tube;

[0020] Step 7, rotate one of the sleeves, and the other three sleeves will rotate synchronously due to the action of the transmission belt, so that the sleeves are installed on the outside of the boom through thread rotation;

[0021] Step 8: After the upper wall of the central air-conditioning indoor unit is fitted with the external ceiling, the sleeve is no longer rotated to complete the installation of the central air-conditioning indoor unit.

[0022] Compared with the prior art, the beneficial effects of this patent are:

[0023] The device arranges a sliding sleeve that can slide in its suspension rod. Through the cooperation of the sliding sleeve and the screw rod, the central air-conditioning indoor unit can be preliminarily positioned to determine its position. Then the central air-conditioning indoor unit is lifted upward so that the suspension rod can be accurately and quickly inserted into the sleeve in the connecting tube under the guidance of the sliding sleeve and the screw rod. There is no need to adjust the position multiple times, which greatly shortens the installation time of the central air-conditioning indoor unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the structure of this patent.

[0025] Figure 2 This is a schematic diagram of the cross-sectional structure of the connecting tube of this patent.

[0026] Figure 3 This is a schematic diagram of the cross-sectional structure of the hanger rod of this patent.

[0027] Figure 4 This is a schematic diagram of the transmission belt structure of this patent.

[0028] In the figure: 1 suspension rod, 2 mounting frame, 3 central air conditioner indoor unit, 4 connecting tube, 5 sleeve, 6 clearance groove, 7 transmission belt, 8 convex ring, 9 annular groove, 10 support plate, 11 rod body, 12 clearance hole, 13 sliding sleeve, 14 screw rod, 15 threaded hole, 16 bolt, 17 positioning groove, 18 rubber ring. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of this patent to clearly and completely describe the technical solutions in the embodiments of this patent. Obviously, the described embodiments are only part of the embodiments of this patent, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0030] See also Figure 1-3 This patent provides a technical solution: a central air conditioner indoor unit installation device, including a suspension rod 1 and a mounting frame 2, a total of four suspension rods 1 are provided, and the four suspension rods 1 are all installed on the external ceiling, and a central air conditioner indoor unit 3 is inserted and installed on the inner side of the mounting frame 2, and a connecting tube 4 is installed at the four corners of the mounting frame 2, and the connecting tube 4 can be sleeved on the outer side of the suspension rod 1;

[0031] The position of the suspension rod 1 needs to be determined according to the size of the central air-conditioning indoor unit 3. After the four suspension rods 1 are fixed on the external ceiling, the screw rod 14 can be inserted into the connecting tube 4. Through the cooperation of the screw rod 14 and the sliding sleeve 13, the position of the central air-conditioning indoor unit 3 is preliminarily positioned, thereby greatly shortening the installation time of the central air-conditioning indoor unit 3.

[0032] The suspension rod 1 comprises a rod body 11, a clearance hole 12, a sliding sleeve 13 and a screw rod 14. The rod body 11 is installed on the external ceiling. The lower wall of the rod body 11 is provided with a clearance hole 12. The sliding sleeve 13 is slidably installed in the clearance hole 12. The screw rod 14 can be inserted and installed in the connecting tube 4. The inner side wall of the sliding sleeve 13 is provided with an internal thread. The screw rod 14 can be screwed into and installed in the sliding sleeve 13.

[0033] The sliding sleeve 13 can slide out from the clearance hole 12, so that it is convenient to connect with the screw rod 14. When the screw rod 14 is screwed into the sliding sleeve 13, the central air conditioner indoor unit 3 can be lifted upward, so that the rod body 11 can be smoothly inserted into the connecting tube 4 and connected with the internal sleeve 5 by rotation, so that the central air conditioner indoor unit 3 is fixed on the suspension rod 1;

[0034] The inner wall of the connecting tube 4 is rotatably mounted with a sleeve 5 , the inner wall of the sleeve 5 is provided with an internal thread, the outer wall of the rod body 11 is provided with an external thread, and the sleeve 5 can be rotatably mounted on the outer side of the rod body 11 .

[0035] Specifically, there are four sleeves 5, which are respectively arranged in four connecting tubes 4. The inner cavity of the mounting frame 2 is provided with a clearance groove 6, which is communicated with the inner cavity of the connecting tube 4. A transmission belt 7 is arranged in the clearance groove 6. There are four transmission belts 7, which are all sleeved on the outer side of the sleeve 5.

[0036] Four transmission belts 7, each of which is sleeved on the outside of two sleeves 5, and two transmission belts 7 are arranged on the outside of the four sleeves 5, so that when one of the sleeves 5 is rotated, the other three sleeves 5 can rotate synchronously together, so that the central air-conditioning indoor unit 3 can be steadily raised without deflection;

[0037] The matching form of the transmission belt 7 and the sleeve 5 can be found in the attached Figure 4 .

[0038] Specifically, a convex ring 8 is installed on the outer wall of the sleeve 5, and an annular groove 9 is opened on the inner wall of the connecting tube 4, and the convex ring 8 can be inserted and installed in the annular groove 9;

[0039] The sleeve 5 is installed in the connecting tube 4 through the cooperation between the convex ring 8 and the annular groove 9, so that the sleeve 5 can rotate in the connecting tube 4.

[0040] Specifically, one end of a support plate 10 is installed on both sides of the lower wall of the mounting frame 2, and a threaded hole 15 is opened at the other end of the support plate 10. A bolt 16 is screwed into the threaded hole 15, and the bolt 16 can be fitted with the lower wall of the central air conditioner indoor unit 3;

[0041] By setting the bolts 16 , the central air-conditioning indoor unit 3 can be fixed on the mounting frame 2 to ensure the stability of the central air-conditioning indoor unit 3 .

[0042] Specifically, the outer wall of the sleeve 5 is provided with a positioning groove 17, the cross section of the positioning groove 17 is annular, and the transmission belt 7 is arranged in the positioning groove 17;

[0043] The arrangement of the positioning groove 17 can prevent the transmission belt 7 from being skewed and affecting the transmission effect on the sleeve 5 .

[0044] Specifically, a rubber ring 18 is sleeved on the outer side of the bolt 16, and the rubber ring 18 can fit with the lower wall of the central air conditioner indoor unit 3;

[0045] The provision of the rubber ring 18 can prevent the bolt 16 from causing scratches or damage to the central air-conditioning indoor unit 3 .

[0046] A process for installing a central air conditioner indoor unit installation device comprises the following steps:

[0047] Step 1, determining the installation position of the suspension rod 1 on the external ceiling and drilling a hole using a drilling machine;

[0048] Step 2, inserting and installing the suspension rod 1 into the hole and fixing it with a fastener, which may be a bolt;

[0049] Step 3, placing the central air conditioner indoor unit 3 on the external scaffolding, and sleeve its mounting frame 2 on the outside of the central air conditioner indoor unit 3 and fix it;

[0050] Step 4, insert the screw 14 into the sleeve 5 installed in the connecting tube 4 at the four corners of the mounting frame 2;

[0051] Step 5, slide the sliding sleeve 13 inside the suspension rod 1 downward to contact the screw rod 14, and rotate the screw rod 14 to screw the screw rod 14 into the sliding sleeve 13. At this time, the position of the central air conditioner indoor unit 3 is fixed by the cooperation between the screw rod 14 and the sliding sleeve 13;

[0052] Step 6: The staff lifts the central air conditioner indoor unit 3 upwards so that the suspension rod 1 is inserted into the sleeve 5 in the connecting tube 4;

[0053] Step 7, rotate one of the sleeves 5, and the other three sleeves 5 will rotate synchronously due to the action of the transmission belt 7, so that the sleeves 5 are installed on the outside of the suspension rod 1 through threaded rotation;

[0054] Step 8: After the upper wall of the central air-conditioning indoor unit 3 is fitted with the external ceiling, the sleeve 5 is no longer rotated, and the installation of the central air-conditioning indoor unit 3 is completed.

[0055] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0056] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A central air conditioner indoor unit mounting device, comprising a suspension rod (1) and a mounting frame (2), characterized in that: There are four suspension rods (1) in total, and the four suspension rods (1) are all installed on the external ceiling. A central air-conditioning indoor unit (3) is inserted and installed on the inner side of the installation frame (2). Connecting tubes (4) are installed at the four corners of the installation frame (2), and the connecting tubes (4) can be sleeved on the outer side of the suspension rod (1); The suspension rod (1) comprises a rod body (11), a clearance hole (12), a sliding sleeve (13) and a screw rod (14); the rod body (11) is installed on an external ceiling; a clearance hole (12) is provided on the lower wall of the rod body (11); a sliding sleeve (13) is slidably installed in the clearance hole (12); the screw rod (14) can be inserted and installed in the connecting tube (4); the inner side wall of the sliding sleeve (13) is provided with an internal thread; the screw rod (14) can be screwed into and installed in the sliding sleeve (13); A sleeve (5) is rotatably mounted on the inner wall of the connecting tube (4), the inner wall of the sleeve (5) is provided with an internal thread, and an outer wall of the rod body (11) is provided with an external thread. The sleeve (5) can be rotatably mounted on the outer side of the rod body (11).

2. The installation device for the indoor unit of a central air conditioner according to claim 1, characterized in that: There are four sleeves (5) in total, and the four sleeves (5) are respectively arranged in the four connecting tubes (4). The inner cavity of the mounting frame (2) is provided with a clearance groove (6), and the clearance groove (6) is communicated with the inner cavity of the connecting tube (4). A transmission belt (7) is arranged in the clearance groove (6). There are four transmission belts (7) in total, and the four transmission belts (7) are all sleeved on the outer side of the sleeve (5).

3. The installation device for the indoor unit of a central air conditioner according to claim 2, characterized in that: The outer wall of the sleeve (5) is provided with a convex ring (8), and the inner wall of the connecting tube (4) is provided with an annular groove (9), and the convex ring (8) can be inserted and installed in the annular groove (9).

4. The installation device for the indoor unit of a central air conditioner according to claim 3, characterized in that: One end of a support plate (10) is installed on both left and right sides of the lower wall of the mounting frame (2); a threaded hole (15) is provided at the other end of the support plate (10); a bolt (16) is screwed into the threaded hole (15); and the bolt (16) can fit the lower wall of the central air conditioner indoor unit (3).

5. The installation device for the indoor unit of a central air conditioner according to claim 2, characterized in that: The outer wall of the sleeve (5) is provided with a positioning groove (17), the cross section of the positioning groove (17) is annular, and the transmission belt (7) is arranged in the positioning groove (17).

6. The installation device for the indoor unit of a central air conditioner according to claim 4, characterized in that: A rubber ring (18) is sleeved on the outer side of the bolt (16), and the rubber ring (18) can fit with the lower wall of the central air conditioner indoor unit (3).

7. The installation process of the installation device for the indoor unit of a central air conditioner according to claim 4, characterized in that: The method comprises the following steps: Step 1, determining the installation position of the suspension rod (1) on the external ceiling and drilling a hole using a drilling machine; Step 2, insert the suspension rod (1) into the hole and fix it with fasteners; Step 3, placing the central air conditioner indoor unit (3) on the external scaffolding, and sleeve the mounting frame (2) on the outer side of the central air conditioner indoor unit (3) and fix it; Step 4, insert the screw rod (14) into the sleeve (5) installed in the connecting tube (4) at the four corners of the mounting frame (2); Step 5, slide the sliding sleeve (13) inside the suspension rod (1) downward to contact the screw rod (14), and screw the screw rod (14) into the sliding sleeve (13) by rotating the screw rod (14). At this time, the position of the central air conditioner indoor unit (3) is fixed by the cooperation between the screw rod (14) and the sliding sleeve (13); Step 6: The staff lifts the central air conditioner indoor unit (3) upwards so that the suspension rod (1) is inserted into the sleeve (5) in the connecting tube (4); Step 7, rotate one of the sleeves (5), and the other three sleeves (5) will rotate synchronously due to the action of the transmission belt (7), so that the sleeve (5) is installed on the outside of the suspension rod (1) through threaded rotation; Step 8, after the upper wall of the central air conditioner indoor unit (3) is fitted with the external ceiling, the sleeve (5) is no longer rotated, and the installation of the central air conditioner indoor unit (3) is completed.

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