Belt pulley adjusting structure

Abstract

The utility model discloses a belt pulley adjusting structure, which relates to the technical field of belt pulleys, and comprises a motor, the output end of the motor is provided with a first belt pulley, one side of the first belt pulley is provided with a second belt pulley, and the first belt pulley is connected with the second belt pulley through a belt; motor bases are installed on the two sides of the lower portion of the motor correspondingly, adjusting bases are installed below the motor bases, adjusting assemblies used for adjusting the placement position of the motor according to the tightness degree of a belt are installed on the side walls of the adjusting bases, and two displacement grooves are formed in the upper surface of each motor base in a bilateral symmetry mode. And a first guide rod is installed in the displacement groove, the outer wall of the first guide rod is sleeved with a displacement block, and the motor base is installed on the outer wall of the displacement block through a bolt. The problems that an existing belt pulley structure is complex and inconvenient to install and difficult to use by operators are solved.

Description

Technical Field

[0001] The utility model relates to the field of pumps, in particular to a pulley adjustment structure. Background Art

[0002] When the motor pump group is in use, transmission is usually achieved by combining a pulley with a belt. As the use time increases, the belt will become loose and need to be adjusted; for example, the announcement number: CN219198027U, named "A tensioning pulley structure", includes a fixed plate; a mounting plate, the mounting plate is fixedly connected to the side end of the fixed plate; a pulley transmission part, the pulley transmission part includes a first pulley arranged on one side of the mounting plate, a tensioning block is slidably connected in the tensioning groove, a second pulley is provided on one side of the tensioning block, and the circumferential surfaces of the first pulley and the second pulley are transmission-connected with a transmission belt; a tensioning mechanism, the tensioning mechanism is arranged between the mounting plate and the tensioning block to adjust the tightness of the first pulley, the second pulley and the transmission belt to facilitate the disassembly and replacement of the transmission belt; the tensioning mechanism can be used to adjust the position of the tensioning block to drive the pulley to adjust its position, thereby loosening the transmission belt.

[0003] The above-mentioned existing pulley structure is relatively complicated and inconvenient to install, and is difficult for operators to use; therefore, it does not meet existing needs, and a pulley adjustment structure is proposed. Summary of the Invention

[0004] The purpose of the utility model is to provide a pulley adjustment structure to solve the problem in the above background technology that the existing pulley structure is relatively complicated and inconvenient to install and difficult for operators to use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pulley adjustment structure, comprising: a motor, a first pulley is installed at the output end of the motor, a second pulley is installed on one side of the first pulley, and the first pulley and the second pulley are connected by a belt; motor seats are respectively installed on both sides below the motor, an adjustment seat is installed below the motor seat, and an adjustment component for adjusting the motor placement position according to the belt tightness is installed on the side wall of the adjustment seat.

[0006] Preferably, two displacement grooves are symmetrically opened on the upper surface of the motor seat, a first guide rod is installed inside the displacement groove, a displacement block is sleeved on the outer wall of the first guide rod, and the motor seat is installed on the outer wall of the displacement block by bolts.

[0007] Preferably, the adjustment component is a screw, and a plurality of screws are provided, a rotating handle is installed at one end of the screw, and a pad is installed at the other end of the screw.

[0008] Preferably, the adjustment component is a limit rod, and a plurality of limit rods are provided, one end of the limit rod is installed with an assembly block, one side of the assembly block is installed with a slide, and a connecting frame is installed between adjacent assembly blocks.

[0009] Preferably, a second guide rod is installed in the slot of the slide, and a sliding block is sleeved on the outer wall of the second guide rod.

[0010] Preferably, a cylinder is installed at the rear end of the connecting frame, and the telescopic end of the cylinder is assembled and installed with the connecting frame by bolts.

[0011] Preferably, an assembly rack is installed between adjacent slides, and the cylinder is mounted on an outer wall of the assembly rack by bolts.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] (1) In the present invention, the motor seat is displaced in the displacement slot by the displacement block, and the motor has the function of adjusting in the left and right directions through the displacement. After the belt is loose, the position of the motor can be adjusted by displacement adjustment to improve the problem of belt loosening. By setting the first guide rod, the displacement block will not fall out of the displacement slot when moving, thereby improving safety.

[0014] (2) The screw is rotated by the handle to adjust the length between the screw and the motor seat. After the motor is displaced, the screws on both sides restrict the motor seat to improve the stability of the placement. The pad is set to contact the motor seat to avoid the end of the screw directly contacting the motor seat. This method is lower in cost and less difficult to adjust and assemble.

[0015] (3) The cylinder drives the connecting frame to move telescopically. The connecting frame is used to connect the two assembly blocks, which has the effect of driving the displacement of the two limit rods at the same time. When the cylinder retracts backward, the assembly block is pulled backward, driving the slider to move backward at the second guide rod, pulling the limit rod backward, and adjusting the position of the limit rod. As the cylinder on one side extends and the cylinder on the other side retracts, the motor located between them can be driven to adjust the displacement. This adjustment method can save manpower and improve the efficiency of adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the adjustment seat of the utility model;

[0018] Figure 3 This is a schematic diagram of the first embodiment of the present utility model;

[0019] Figure 4 This is a schematic diagram of a second embodiment of the present utility model;

[0020] Figure 5 This is a schematic diagram of the limit rod structure of the utility model;

[0021] In the figure: 1. Motor; 2. First pulley; 3. Second pulley; 4. Adjustment seat; 401. Displacement slot; 402. Displacement block; 403. First guide rod; 404. Motor seat; 5. Adjustment assembly; 6. Screw; 601. Turn handle; 602. Pad; 7. Limit rod; 701. Slide; 702. Second guide rod; 703. Slider; 704. Assembly block; 705. Connecting frame; 706. Assembly frame; 707. Cylinder. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Example

[0023] See also Figure 1-Figure 3 , the utility model provides an embodiment: a pulley adjustment structure, comprising: a motor 1, a first pulley 2 is installed at the output end of the motor 1, a second pulley 3 is installed on one side of the first pulley 2, and the first pulley 2 and the second pulley 3 are connected by a belt; motor seats 404 are installed on both sides below the motor 1, an adjusting seat 4 is installed below the motor seat 404, and an adjustment component 5 for adjusting the placement position of the motor 1 according to the tightness of the belt is installed on the side wall of the adjusting seat 4, two displacement grooves 401 are symmetrically provided on the upper surface of the motor seat 404, a first guide rod 403 is installed inside the displacement groove 401, a displacement block 402 is sleeved on the outer wall of the first guide rod 403, and the motor seat 404 is installed on the outer wall of the displacement block 402 by bolts, the adjustment component 5 is a screw rod 6, and a plurality of screw rods 6 are provided, a rotating handle 601 is installed at one end of the screw rod 6, and a pad 602 is installed at the other end of the screw rod 6;

[0024] The motor seat 404 is displaced in the displacement slot 401 through the displacement block 402. The displacement enables the motor 1 to have an adjustment function in the left and right directions. After the belt is loose, the position of the motor 1 can be adjusted by displacement adjustment to improve the problem of belt looseness. Through the setting of the first guide rod 403, the displacement block 402 will not separate from the displacement slot 401 during movement, thereby improving safety.

[0025] During adjustment, the screw 6 is driven to rotate by the handle 601 to adjust the length between the screw 6 and the motor base 404. After the motor 1 is displaced, the screws 6 on both sides restrict the motor base 404 to improve the stability of the placement. The pad 602 is set to contact the motor base 404 to avoid the end of the screw 6 directly contacting the motor base 404. This method has lower costs and is less difficult to adjust and assemble. Example

[0026] See also Figure 4 、 Figure 5 , a pulley adjustment structure, comprising: a motor 1, a first pulley 2 is installed at the output end of the motor 1, a second pulley 3 is installed on one side of the first pulley 2, and the first pulley 2 and the second pulley 3 are connected by a belt; motor seats 404 are respectively installed on both sides below the motor 1, an adjustment seat 4 is installed below the motor seat 404, and an adjustment component 5 for adjusting the placement position of the motor 1 according to the tightness of the belt is installed on the side wall of the adjustment seat 4, two displacement grooves 401 are symmetrically provided on the upper surface of the motor seat 404, a first guide rod 403 is installed inside the displacement groove 401, a displacement block 402 is sleeved on the outer wall of the first guide rod 403, and the motor seat 404 is connected to the It is installed on the outer wall of the displacement block 402 by bolts. The adjustment component 5 is a limit rod 7, and a plurality of limit rods 7 are provided. An assembly block 704 is installed at one end of the limit rod 7, a slide 701 is installed on one side of the assembly block 704, a connecting frame 705 is installed between adjacent assembly blocks 704, a second guide rod 702 is installed in the slot of the slide 701, a slider 703 is sleeved on the outer wall of the second guide rod 702, a cylinder 707 is installed at the rear end of the connecting frame 705, and the telescopic end of the cylinder 707 is assembled with the connecting frame 705 by bolts, an assembly frame 706 is installed between adjacent slides 701, and the cylinder 707 is mounted on the outer wall of the assembly frame 706 by bolts;

[0027] During adjustment, the cylinder 707 drives the connecting frame 705 to move telescopically. The connecting frame 705 is used to connect the two assembly blocks 704, which has the effect of simultaneously driving the displacement of the two limit rods 7. When the cylinder 707 retracts backward, the assembly block 704 is pulled backward, driving the slider 703 to move backward at the second guide rod 702, pulling the limit rod 7 backward, and having the effect of adjusting the position of the limit rod 7. As the cylinder 707 on one side extends and the cylinder 707 on the other side retracts, the motor 1 located in between can be driven to perform displacement adjustment. This adjustment method can save manpower and improve the efficiency of adjustment.

[0028] It will be apparent 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 characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A pulley adjustment structure, comprising a motor (1), wherein a first pulley (2) is mounted on an output end of the motor (1), a second pulley (3) is mounted on one side of the first pulley (2), and the first pulley (2) and the second pulley (3) are connected via a belt; characterized in that: Motor seats (404) are respectively installed on both sides below the motor (1), an adjustment seat (4) is installed below the motor seat (404), and an adjustment component (5) for adjusting the placement position of the motor (1) according to the tightness of the belt is installed on the side wall of the adjustment seat (4).

2. A pulley adjustment structure according to claim 1, characterized in that: Two displacement grooves (401) are symmetrically formed on the upper surface of the motor base (404), a first guide rod (403) is installed inside the displacement groove (401), a displacement block (402) is sleeved on the outer wall of the first guide rod (403), and the motor base (404) is mounted on the outer wall of the displacement block (402) by means of bolts.

3. The pulley adjustment structure according to claim 1, characterized in that: The adjustment component (5) is a screw rod (6), and a plurality of screw rods (6) are provided. A rotating handle (601) is installed at one end of the screw rod (6), and a cushion block (602) is installed at the other end of the screw rod (6).

4. The pulley adjustment structure according to claim 1, characterized in that: The adjustment component (5) is a limiting rod (7), and a plurality of limiting rods (7) are provided. An assembly block (704) is installed at one end of the limiting rod (7), a slide (701) is installed on one side of the assembly block (704), and a connecting frame (705) is installed between adjacent assembly blocks (704).

5. The pulley adjustment structure according to claim 4, characterized in that: A second guide rod (702) is installed in the slot of the slide (701), and a sliding block (703) is sleeved on the outer wall of the second guide rod (702).

6. The pulley adjustment structure according to claim 5, characterized in that: A cylinder (707) is installed at the rear end of the connecting frame (705), and the telescopic end of the cylinder (707) is assembled and installed with the connecting frame (705) via bolts.

7. The pulley adjustment structure according to claim 6, characterized in that: An assembly frame (706) is installed between adjacent slides (701), and the cylinder (707) is installed on the outer wall of the assembly frame (706) by means of bolts.

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