Quick-release eccentric block structure

Abstract

The utility model relates to the technical field of eccentric blocks, in particular to a quick release type eccentric block structure which comprises two eccentric assemblies, each eccentric assembly comprises a fixing ring piece, the outer side wall of each fixing ring piece is fixedly connected with a balance weight piece, a fixing assembly is arranged between the inner sides of the two fixing ring pieces, each fixing assembly comprises a sleeve, and the sleeve is fixedly connected with the balance weight piece. A plurality of sliding grooves are annularly formed in the two ends of the outer side wall of the sleeve at equal angles. According to the device, through the arrangement of the tightening module, the sleeve is connected to the transmission shaft in a sleeving mode, the inner thread sleeve and the handle are rotated, the shaft rod is made to be close to the interior of the inner thread sleeve, then the second annular plate and the first annular plate are pre-tightened, then the handle is deflected, the first annular plate and the second annular plate extrude the extrusion block, and the wedge-shaped part is made to be extruded between the extrusion part and the transmission shaft; during disassembly, the handle is deflected towards the direction of the center shaft of the shaft rod, and disassembly and assembly are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of eccentric blocks, in particular to a quick-detachable eccentric block structure. Background Art

[0002] The eccentric vibrator is a common motor vibrator. Its working principle is based on the generation of centrifugal force. The eccentric vibrator consists of a motor and an eccentric block. When the motor starts, it drives the eccentric block to rotate. Since the eccentric block is a certain distance away from the axis, centrifugal force is generated during the rotation. This centrifugal force will be transmitted to the equipment or structure, causing vibration. The frequency and amplitude of the vibration depend on the speed of the motor and the mass and centrifugal distance of the eccentric block. The existing eccentric block installation structure generally uses bolts to fix the eccentric block on the transmission shaft. When disassembling and assembling, the bolts need to be tightened and loosened, and tools such as wrenches are required, which is inconvenient. Utility Model Content

[0003] The purpose of the utility model is to provide a quick-detachable eccentric block structure to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A quick-release eccentric block structure comprises two eccentric components, the eccentric component comprises a fixed ring, the outer wall of the fixed ring is fixedly connected with a counterweight, a fixed component is arranged between the inner sides of the two fixed rings, the fixed component comprises a sleeve, both ends of the outer wall of the sleeve are provided with a plurality of slide grooves at equal angles in an annular manner, the inner wall of the slide groove is slidably connected with an extrusion block, one end of the inner wall of the fixed ring is provided with an extrusion portion, one end of the extrusion block is provided with a wedge portion, one end of the outer wall of the sleeve is slidably connected with an annular plate 1, the other end of the outer wall of the sleeve is slidably connected with an annular plate 2, and a tightening module is equidistantly arranged in an annular manner between the annular plates 1 and 2.

[0006] Furthermore, the tightening module includes a shaft rod, one end of which is rotatably connected to a handle, the other end of the shaft rod has an outer wall with a thread, the other end of the shaft rod is provided with an internal threaded sleeve, one end of the internal threaded sleeve is rotatably connected to the outer wall of the second annular plate, one end of the shaft rod has an outer wall with a ring member slidably sleeved thereon, and the shaft rod is slidably plugged into the first annular plate and the second annular plate.

[0007] Furthermore, the arc-shaped outer side wall at one end of the handle is eccentrically arranged, and the outer side wall at one end of the collar is fixedly connected with a rubber pad.

[0008] Furthermore, the outer side wall of the other end of the handle is fixedly connected with an insertion tube.

[0009] Furthermore, the inner wall of the wedge-shaped portion and the outer wall of the wedge-shaped portion are both fixedly connected with a rubber layer.

[0010] Furthermore, a plurality of limiting columns are fixedly connected to the outer wall of one of the two counterweights at equal intervals in an annular manner, and a groove is fixedly connected to one side of the outer wall of the other counterweight at equal intervals in an annular manner, and the groove fits with the limiting column.

[0011] Furthermore, a side wall of the fixing ring and a side wall of the counterweight are in the same plane.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. Through the setting of the tightening module, the sleeve is connected to the transmission shaft, and the deviation angle between the two eccentric components is adjusted by rotating as needed. The internal threaded sleeve and the handle are rotated to make the shaft rod screw close to the internal threaded sleeve, thereby pre-tightening the annular plate 2 and the annular plate 1, and then the handle is deflected. Through the setting of the deflected outer wall at one end of the handle, the sleeve ring is pushed to move in the direction of the annular plate 2, and the extrusion block is further squeezed by the annular plates 1 and 2, so that the extrusion blocks are further brought closer to each other. When the extrusion block continues to move toward the middle, the extrusion block moves relative to the fixed ring member, and the wedge-shaped portion is squeezed between the extrusion portion and the transmission shaft, so that the fixed ring member is fixed to the transmission shaft by friction, and the fixed ring member and the transmission shaft are squeezed and fixed by the extrusion block. When disassembling, the handle is deflected toward the center axis direction of the shaft rod, which is convenient for disassembly and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the overall front view structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of two counterweights in the utility model;

[0017] Figure 4 It is a schematic diagram of the structure of the fixed component in the utility model;

[0018] Figure 5 This is a schematic diagram of the casing structure in the utility model;

[0019] Figure 6 It is a schematic diagram of the handle structure of the utility model.

[0020] In the figure: 100, eccentric assembly; 110, fixed ring; 111, extrusion part; 120, counterweight; 130, limit column; 140, groove; 200, fixed assembly; 210, sleeve; 220, annular plate 1; 230, annular plate 2; 240, slide groove; 250, extrusion block; 251, wedge-shaped part; 252, rubber layer; 260, tightening module; 261, shaft; 262, collar; 263, handle; 264, internal threaded sleeve; 265, insert. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 6 In the embodiment of the utility model, a quick-detachable eccentric block structure includes two eccentric assemblies 100, the eccentric assembly 100 includes a fixed ring 110, the outer wall of the fixed ring 110 is fixedly connected with a counterweight 120, a fixed assembly 200 is arranged between the inner sides of the two fixed rings 110, the fixed assembly 200 includes a sleeve 210, and the outer wall of the sleeve 210 is provided with a plurality of slide grooves 240 at equal angles in an annular manner at both ends, and an extrusion block 250 is slidably connected to the inner wall of the slide groove 240, an extrusion portion 111 is arranged at one end of the inner wall of the fixed ring 110, and a wedge-shaped portion 251 is arranged at one end of the extrusion block 250, an annular plate 1 220 is slidably connected to one end of the outer wall of the sleeve 210, and an annular plate 2 230 is slidably connected to the other end of the outer wall of the sleeve 210, and a tightening module 260 is equidistantly arranged in an annular manner between the annular plate 1 220 and the annular plate 230.

[0023] Specifically, the sleeve 210 is sleeved on the transmission shaft, and the deviation angle between the two eccentric assemblies 100 is adjusted by rotating as needed, and the annular plate 1 220 and the annular plate 230 are driven to move closer to each other through multiple tightening modules 260. The annular plate 1 220 and the annular plate 230 move closer to each other, driving the multiple extrusion blocks 250 at both ends to move toward the middle. When the extrusion block 250 moves toward the middle of the sleeve 210, it pushes the two fixed ring members 110 to move closer to each other, so that the two fixed ring members 110 move closer to the middle and contact. When the extrusion block 250 continues to move toward the middle, the extrusion block 250 moves relative to the fixed ring member 110, and the wedge-shaped portion 251 squeezes in between the extrusion portion 111 and the transmission shaft, thereby fixing the fixed ring member 110 on the transmission shaft through friction. When disassembly is required, the tightening module 260 is loosened. Embodiment 1

[0024] like Figures 1 to 6 As shown, in the present embodiment, the tightening module 260 comprises a shaft 261, one end of which is rotatably connected to a handle 263, the other end of the shaft 261 is provided with a thread on the outer side wall, the other end of the shaft 261 is provided with an internal thread sleeve 264, one end of the internal thread sleeve 264 is rotatably connected to the outer side wall of the annular plate 230, one end of the shaft 261 is slidably sleeved with a collar 262 on the outer side wall, the shaft 261 is slidably plugged with the annular plates 1 220 and 230, the arc-shaped outer side wall at one end of the handle 263 is eccentrically arranged, the outer side wall at one end of the collar 262 is fixedly connected to a rubber pad, the outer side wall at the other end of the handle 263 is fixedly connected to a tube 265, and the inner wall of the wedge-shaped portion 251 and the outer side wall of the wedge-shaped portion 251 are both fixedly connected to a rubber layer 252.

[0025] During specific implementation, the internal threaded sleeve 264 and the handle 263 are rotated so that the shaft 261 is screwed toward the internal threaded sleeve 264, thereby pre-tightening the annular plate 230 and the annular plate 1 220, and then the handle 263 is deflected. Through the setting of one end of the handle 263 being biased toward the outer side wall, the ring member 262 is pushed to move toward the annular plate 230, and the extrusion block 250 is further squeezed by the annular plate 1 220 and the annular plate 230, so that the extrusion blocks 250 are further brought closer to each other, thereby squeezing and fixing the fixing ring member 110 and the transmission shaft through the extrusion block 250. When disassembling, the handle 263 can be deflected toward the central axis direction of the shaft 261. Through the setting of the insert 265, it is convenient to insert other tools to assist in deflecting the handle 263. Embodiment 2

[0026] On the basis of the first embodiment, in order to increase the firmness of the angle between the two counterweights 120 in the first embodiment, relative friction and rotation between the two counterweights 120 are avoided.

[0027] like Figures 1 to 6 As shown, in this embodiment, the outer wall of one of the two counterweights 120 is annularly equidistantly fixed with a plurality of limit columns 130, and the outer wall of one side of the other counterweight 120 is annularly equidistantly fixed with grooves 140, and the grooves 140 are matched with the limit columns 130, and one side wall of the fixing ring 110 is in the same plane as one side wall of the counterweight 120.

[0028] During specific implementation, after adjusting the angle between the two counterweights 120 through the setting of the limiting column 130 and the groove 140, the angle between the two counterweights 120 is fixed through the coupling of the groove 140 and the limiting column 130 to avoid relative sliding between the two counterweights 120, and when the two counterweights 120 are in contact with each other, one side wall of the two fixing rings 110 is also in a contact state.

[0029] 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 regarded as exemplary and non-restrictive from any point of view, 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 regarded as limiting the claim to which it relates.

[0030] 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 quick-release eccentric block structure, characterized in that: The invention comprises two eccentric components (100), wherein the eccentric components (100) comprise a fixed ring (110), the outer wall of the fixed ring (110) being fixedly connected to a counterweight (120), a fixed component (200) being arranged between the inner sides of the two fixed rings (110), the fixed component (200) comprising a sleeve (210), the outer wall of the sleeve (210) being provided with a plurality of slide grooves (240) at equal angles in an annular manner at both ends, the inner wall of the slide groove (240) being slidably connected to a counterweight (120) An extrusion block (250), wherein an extrusion portion (111) is provided at one end of the inner wall of the fixing ring (110), a wedge-shaped portion (251) is provided at one end of the extrusion block (250), an annular plate 1 (220) is slidably connected to one end of the outer wall of the sleeve (210), an annular plate 2 (230) is slidably connected to the other end of the outer wall of the sleeve (210), and a tightening module (260) is equidistantly provided in an annular manner between the annular plate 1 (220) and the annular plate 2 (230).

2. A quick-release eccentric block structure according to claim 1, characterized in that: The tightening module (260) comprises a shaft (261), one end of the shaft (261) is rotatably connected to a handle (263), the other end of the shaft (261) is provided with a thread on the outer wall, the other end of the shaft (261) is provided with an internal thread sleeve (264), one end of the internal thread sleeve (264) is rotatably connected to the outer wall of the second annular plate (230), one end of the shaft (261) is slidably sleeved with a collar (262), and the shaft (261) is slidably plugged with the first annular plate (220) and the second annular plate (230).

3. A quick-detachable eccentric block structure according to claim 2, characterized in that: The arc-shaped outer side wall at one end of the handle (263) is eccentrically arranged, and the outer side wall at one end of the collar member (262) is fixedly connected to a rubber pad.

4. A quick-release eccentric block structure according to claim 2, characterized in that: An insertion tube (265) is fixedly connected to the outer side wall of the other end of the handle (263).

5. The quick-detachable eccentric block structure according to claim 1, characterized in that: The inner wall of the wedge-shaped portion (251) and the outer wall of the wedge-shaped portion (251) are both fixedly connected with a rubber layer (252).

6. The quick-detachable eccentric block structure according to claim 1, characterized in that: The outer wall of one of the two counterweights (120) is annularly and equidistantly fixed with a plurality of limiting columns (130), and the outer wall of one side of the other counterweight (120) is annularly and equidistantly fixed with grooves (140), and the grooves (140) fit with the limiting columns (130).

7. The quick-detachable eccentric block structure according to claim 1, characterized in that: A side wall of the fixing ring (110) and a side wall of the counterweight (120) are located in the same plane.

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