Suspended ceiling lead screw for installing central air conditioner

Abstract

The utility model provides a suspended ceiling lead screw for installing a central air conditioner, which belongs to the technical field of central air conditioner installation and comprises an inverted concave frame, a lead screw, a sliding block, an inverted concave block, a connecting rod, a concave block and an installation beam, the lead screw is rotatably arranged on the side face of the inverted concave frame through a bearing, and a separation disc is fixedly arranged in the center of the lead screw. A forward thread is fixedly arranged on the left side of the outer surface of the lead screw, a reverse thread is in threaded connection with the right side of the outer surface of the lead screw, sliding blocks are in threaded connection with the forward thread and the reverse thread correspondingly, inverted concave blocks are fixedly arranged on the surfaces of the bottoms of the sliding blocks, and connecting rods are rotationally arranged in the inverted concave blocks through pin shafts. Concave blocks are rotationally arranged at the bottoms of the connecting rods through pin shafts, and mounting beams are fixedly arranged at the bottoms of the two concave blocks; the installation position is low, the installation risk is reduced, the installation height of the central air conditioner can be adjusted without moving the central air conditioner, and installation convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of central air-conditioning installation, in particular to a ceiling screw for central air-conditioning installation. Background Art

[0002] Central air conditioning refers to an air conditioner that generates heat or cold from an outdoor unit, which then provides hot or cold air to multiple rooms at the same time. The installation process of central air conditioning includes preparation work, hoisting indoor units, refrigerant piping processing, laying refrigerant piping / drain pipes, installing outdoor units, and filling refrigerant.

[0003] When installing the indoor unit of the central air conditioner, a ceiling screw is usually required for installation. The ceiling screw in the prior art is usually composed of two screws. During installation, the two screws are fixed to the ceiling of the house, and then the central air conditioner is lifted, the screw is inserted into the mounting ear of the central air conditioner, and the bolts are tightened to complete the installation. However, when installing the central air conditioner, it is necessary to ensure that the bottom of the central air conditioner and the ceiling are on the same horizontal plane. This installation method is inconvenient to adjust the installation height of the central air conditioner. It is necessary to manually support the central air conditioner, loosen the nut on the screw, and then move the central air conditioner up and down to adjust the installation height. This is not only laborious, but also labor-intensive, affecting work efficiency. In addition, the air conditioner is installed at a high position and the installation risk is high. Therefore, a ceiling screw for central air conditioning installation is designed to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the problems existing in the above-mentioned background technology and proposes a ceiling screw for installing a central air conditioner.

[0005] The technical problem to be solved by the utility model is to provide a ceiling screw for installing a central air conditioner, which has a low installation position, reduces installation risks, and can adjust the installation height of the central air conditioner without moving the central air conditioner, thereby increasing the convenience of installation and having high practicality.

[0006] The technical problem to be solved by the utility model is to provide a ceiling screw for installing a central air conditioner, comprising an inverted concave frame, a screw, a slider, an inverted concave block, a connecting rod, a concave block and a mounting beam, wherein a screw is rotatably arranged on the side of the inverted concave frame through a bearing, a partition plate is fixedly arranged in the center of the screw, a forward thread is fixedly arranged on the left side of the outer surface of the screw, a reverse thread is threadedly connected to the right side of the outer surface of the screw, a slider is threadedly connected to the forward thread and the reverse thread, an inverted concave block is fixedly arranged on the bottom surface of the slider, a connecting rod is rotatably arranged in the inverted concave block through a pin shaft, a concave block is rotatably arranged on the bottom cylinder pin shaft of the connecting rod, and mounting beams are fixedly arranged on the bottoms of the two concave blocks.

[0007] Preferably, the top of the slider is in close contact with the top of the inner surface of the inverted concave frame, and the slider is at the same distance from the partition plate.

[0008] Preferably, the distance between the two concave blocks is no greater than 1 / 3 of the length of the inverted concave frame.

[0009] Preferably, a ratchet is fixedly provided on the left side of the outer surface of the screw rod, and a pawl is installed on the outer side surface of the inverted concave frame.

[0010] Preferably, the pawl is detachably engaged with the ratchet wheel.

[0011] Preferably, the mounting beam comprises an open groove, a connecting screw and a positioning nut. The upper surface of the mounting beam is provided with an open groove on both sides. A connecting screw is provided through the open groove. A plurality of positioning nuts are threadedly connected to the connecting screw.

[0012] Preferably, the diameter of the connecting screw is not greater than the width of the opening slot, and the diameter of the positioning nut is not less than the width of the opening slot.

[0013] Preferably, four positioning nuts are provided.

[0014] Compared with the prior art, the utility model has at least the following beneficial effects:

[0015] 1. When installing the central air conditioner of the utility model, the inverted concave frame is first installed on the ceiling of the house, and then the screw rod is rotated, and the screw rod drives the forward thread and the reverse thread to rotate, so that the two sliders move in opposite directions until the connecting rod is vertical. At this time, the installation beam is at a maximum distance from the ceiling of the house and at a minimum distance from the ground of the house, so that the air conditioner can be installed at a lower position in the house, thereby increasing the safety of the installation. Then the air conditioner is installed on the installation beam. When the installation height of the air conditioner needs to be adjusted, the screw rod is reversed, and the screw rod drives the two sliders to move in opposite directions through the forward thread and the reverse thread, and the slider drives the installation beam to move upward through the connecting rod, thereby achieving the effect of adjusting the installation height of the air conditioner. The central air conditioner can be adjusted in installation height without artificially supporting the central air conditioner, so that the central air conditioner is consistent with the ceiling height, thereby increasing the convenience of installation.

[0016] 2. The utility model is provided with a ratchet and a pawl. When the installation height of the central air conditioner is adjusted, the pawl is separated from the ratchet, and the screw rod can rotate normally at this time, so that the positions of the two sliders can be adjusted conveniently by rotating the screw rod, thereby achieving the effect of adjusting the height of the central air conditioner installed on the mounting beam. After the adjustment is completed, the pawl is engaged with the ratchet, and the pawl can limit the rotation of the ratchet, thereby achieving the effect of preventing the screw rod from rotating, preventing the screw rod from rotating along the bearing on the inverted concave frame due to the gravity of the air conditioner, and ensuring the stability of the central air conditioner after installation.

[0017] 3. The utility model is provided with an open groove, a connecting screw and a positioning nut. When the central air conditioner is installed on the mounting beam, the positions of the two connecting screws in the open groove are moved according to the width of the central air conditioner, so that the two connecting screws can be smoothly inserted into the mounting ears of the central air conditioner, and are tightened and clamped on the mounting beam by two positioning nuts, thereby achieving the effect of fixing the position of the connecting screws. The two positioning nuts at the bottom are tightened and clamped on the mounting ears of the central air conditioner to ensure the stability of the installation of the central air conditioner. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0019] Figure 1 The utility model is a three-dimensional schematic diagram of the overall structure Figure 1 .

[0020] Figure 2 The utility model is a three-dimensional schematic diagram of the overall structure Figure 2 .

[0021] Figure 3 For this utility model Figure 1 A is an enlarged schematic diagram of the structure.

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the installation beam of the utility model.

[0023] Figure 5 This is a schematic diagram of the cross-sectional structure of the installation beam of the utility model.

[0024] [reference numerals]

[0025] 1. Inverted concave frame; 2. Screw rod; 201. Separation plate; 202. Forward thread; 203. Reverse thread; 3. Slider; 4. Inverted concave block; 5. Connecting rod; 6. Concave block; 7. Mounting beam; 701. Opening groove; 702. Connecting screw; 703. Positioning nut; 8. Ratchet; 9. Pawl. DETAILED DESCRIPTION

[0026] Example:

[0027] like Figure 1-Figure 5As shown, an embodiment of the utility model provides a ceiling screw for installing a central air conditioner, comprising an inverted concave frame 1, a screw 2, a slider 3, an inverted concave block 4, a connecting rod 5, a concave block 6 and a mounting beam 7. The screw 2 is rotatably arranged on the side of the inverted concave frame 1 through a bearing, a partition plate 201 is fixedly arranged in the center of the screw 2, a forward thread 202 is fixedly arranged on the left side of the outer surface of the screw 2, a reverse thread 203 is threadedly connected to the right side of the outer surface of the screw 2, a slider 3 is threadedly connected to the forward thread 202 and the reverse thread 203, an inverted concave block 4 is fixedly arranged on the bottom surface of the slider 3, a connecting rod 5 is rotatably arranged in the inverted concave block 4 through a pin shaft, a concave block 6 is rotatably arranged on the bottom cylinder pin shaft of the connecting rod 5, and a mounting beam 7 is fixedly arranged at the bottom of the two concave blocks 6.

[0028] During actual use, when the central air conditioner is installed, the inverted concave frame 1 is first installed on the ceiling of the house, and then the screw rod 2 is rotated. The screw rod 2 drives the forward thread 202 and the reverse thread 203 to rotate, so that the two sliders 3 move in relative directions until the connecting rod 5 is vertical. At this time, the installation beam 7 is at a maximum distance from the ceiling of the house and at a minimum distance from the ground of the house, so that the air conditioner can be installed at a lower position in the house, thereby increasing the safety of the installation. The air conditioner is then installed on the installation beam 7. When the installation height of the air conditioner needs to be adjusted, the screw rod 2 is reversed. The screw rod 2 drives the two sliders 3 to move in opposite directions through the forward thread 202 and the reverse thread 203, and the slider 3 drives the installation beam 7 upward through the connecting rod 5, thereby achieving the effect of adjusting the installation height of the air conditioner. The central air conditioner can be adjusted in height without artificially supporting the central air conditioner, so that the central air conditioner is consistent with the ceiling height, thereby increasing the convenience of installation.

[0029] In this embodiment, the top of the slider 3 is tightly attached to the top of the inner surface of the inverted concave frame 1 to prevent the slider 3 from rotating, ensuring that the slider 3 slides stably left and right, and the distance between the slider 3 and the partition plate 201 is the same, ensuring the horizontal state of the mounting beam 7 connected by the connecting rod 5 at the bottom of the two sliders 3.

[0030] In this embodiment, the distance between the two concave blocks 6 is no more than 1 / 3 of the length of the inverted concave frame 1, which facilitates adjusting the positions of the two concave blocks 6 to adjust the angle of the connecting rod 5, thereby achieving the effect of adjusting the height of the mounting beam 7 and the central air conditioner installed on the mounting beam 7.

[0031] Reference Figure 3 As shown, in this embodiment, a ratchet 8 is fixedly provided on the left side of the outer surface of the screw rod 2, and a pawl 9 is installed on the outer side surface of the inverted concave frame 1.

[0032] In this embodiment, the pawl 9 is detachably engaged with the ratchet 8. When the pawl 9 is separated from the ratchet 8, it is convenient for the screw rod 2 to rotate. When the pawl 9 is engaged with the ratchet 8, the pawl 9 limits the rotation of the ratchet 8, which facilitates the positioning of the screw rod 2.

[0033] By providing a ratchet 8 and a pawl 9, when adjusting the installation height of the central air conditioner, the pawl 9 is separated from the ratchet 8, and the screw rod 2 can rotate normally, so that the positions of the two sliders 3 can be adjusted conveniently by rotating the screw rod 2, so as to achieve the effect of adjusting the height of the central air conditioner installed on the mounting beam 7. After the adjustment is completed, the pawl 9 is engaged with the ratchet 8, and the pawl 9 can limit the rotation of the ratchet 8, so as to achieve the effect of preventing the screw rod 2 from rotating, and preventing the screw rod 2 from rotating along the bearing on the inverted concave frame 1 due to the gravity of the air conditioner, thereby ensuring the stability of the central air conditioner after installation.

[0034] In this embodiment, refer to Figure 4 and Figure 5 As shown, the mounting beam 7 includes an open groove 701, a connecting screw 702 and a positioning nut 703. The upper surface of the mounting beam 7 is provided with an open groove 701 on both sides. A connecting screw 702 is provided through the open groove 701. A plurality of positioning nuts 703 are threadedly connected to the connecting screw 702.

[0035] In this embodiment, the diameter of the connecting screw 702 is not greater than the width of the opening slot 701 , and the diameter of the positioning nut 703 is not less than the width of the opening slot 701 .

[0036] In this embodiment, four positioning nuts 703 are provided, so that two positioning nuts 703 can be clamped on the mounting beam 7 and two positioning nuts 703 can be clamped on the mounting ears of the air conditioner.

[0037] By providing an open groove 701, a connecting screw 702 and a positioning nut 703, when the central air conditioner is installed on the mounting beam 7, the positions of the two connecting screws 702 in the open groove 701 are moved according to the width of the central air conditioner, so that the two connecting screws 702 can be smoothly inserted into the mounting ears of the central air conditioner, and are tightened and clamped on the mounting beam 7 by the two positioning nuts 703, thereby achieving the effect of fixing the position of the connecting screw 702, and are tightened by the two positioning nuts 703 below and clamped on the mounting ears of the central air conditioner, thereby ensuring the stability of the installation of the central air conditioner.

[0038] The above are only preferred implementations of the utility model. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the concept of the utility model. These should also be regarded as the protection scope of the utility model. These will not affect the effect of the implementation of the utility model and the practicality of the patent.

Claims

1. A ceiling screw for installing a central air conditioner, characterized in that: The invention comprises an inverted concave frame (1), a screw rod (2), a slider (3), an inverted concave block (4), a connecting rod (5), a concave block (6) and a mounting beam (7); the screw rod (2) is rotatably arranged on the side of the inverted concave frame (1) via a bearing; a partition plate (201) is fixedly arranged in the center of the screw rod (2); a positive thread (202) is fixedly arranged on the left side of the outer surface of the screw rod (2); a reverse thread (203) is threadedly connected on the right side of the outer surface of the screw rod (2); a slider (3) is threadedly connected on both the positive thread (202) and the reverse thread (203); an inverted concave block (4) is fixedly arranged on the bottom surface of the slider (3); a connecting rod (5) is rotatably arranged in the inverted concave block (4) via a pin shaft; a concave block (6) is rotatably arranged on the bottom cylinder of the connecting rod (5); and mounting beams (7) are fixedly arranged at the bottom of two concave blocks (6).

2. The ceiling screw for central air conditioning installation according to claim 1, characterized in that: The top of the slider (3) is in close contact with the top of the inner surface of the inverted concave frame (1), and the slider (3) is at the same distance from the separation plate (201).

3. The ceiling screw for installing a central air conditioner according to claim 2, characterized in that: The distance between the two concave blocks (6) is no greater than 1 / 3 of the length of the inverted concave frame (1).

4. The ceiling screw for installing a central air conditioner according to claim 3, characterized in that: A ratchet (8) is fixedly arranged on the left side of the outer surface of the screw rod (2), and a ratchet pawl (9) is installed on the outer surface of the inverted concave frame (1).

5. The ceiling screw for installing a central air conditioner according to claim 4, characterized in that: The pawl (9) is detachably engaged with the ratchet wheel (8).

6. The ceiling screw for installing a central air conditioner according to claim 5, characterized in that: The mounting beam (7) comprises an open groove (701), a connecting screw (702) and a positioning nut (703); the upper surface of the mounting beam (7) is provided with an open groove (701) on both left and right sides; a connecting screw (702) is provided through the open groove (701); and a plurality of positioning nuts (703) are threadedly connected to the connecting screw (702).

7. The ceiling screw for installing a central air conditioner according to claim 6, characterized in that: The diameter of the connecting screw (702) is not greater than the width of the opening slot (701), and the diameter of the positioning nut (703) is not less than the width of the opening slot (701).

8. The ceiling screw for installing a central air conditioner according to claim 7, characterized in that: There are four positioning nuts (703).

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