Rotating speed detection mechanism of stirrer

Abstract

The utility model relates to the field of material stirrers, and discloses a rotating speed detection mechanism of a stirrer, which comprises a shell, the front surface of the shell is rotatably connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a shaft sleeve, the outer wall of the rotating shaft is provided with a sealing rotating assembly, and the sealing rotating assembly comprises a rotating ring. A rotating ring is arranged on the front surface of the shell, a connecting groove is formed in the inner wall of the rotating ring, a connecting ring is rotationally connected to the rear end of the rotating ring, a fixing assembly is arranged on the front surface of the shell and comprises a mounting ring, the mounting ring is fixedly connected to the front surface of the shell, and a detector is fixedly connected to the left end of the connecting ring. According to the utility model, through the arrangement of the sealing rotating assembly, the connecting ring and the detector, the detection part of the detector can be sealed, the influence on the use effect of the detector due to adhesion and blockage of stirred materials is avoided, and meanwhile, the sealing rotating assembly can be suitable for rotating shafts with different sizes, so that the practicability of the device is further improved.

Description

Technical Field

[0001] The utility model relates to the field of material mixers, in particular to a rotation speed detection mechanism of a mixer. Background Art

[0002] A mixer is a machine used to mix materials by stirring them into a mixture or a suitable consistency. There are many types of mixers, and the speed of some mixers can be adjusted, which is suitable for mixing some special materials.

[0003] When detecting the rotation speed of an existing mixer, a rotation speed detector is often required to detect the rotation speed of the mixer.

[0004] When the existing mixer speed detection mechanism is in use, it is usually installed on the outer shell through which the stirring rod and the motor output shaft outer shell are passed. During use, due to the different materials stirred by the mixer, some materials may be sticky. On the one hand, the material will stick to the detection mechanism, affecting the stirring effect of the mixer, and the detection mechanism needs to be cleaned. On the other hand, when the detector of the detection mechanism is detecting, the material will stick to the detection port of the detector, affecting the detection result of the detector. Therefore, a method is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above deficiencies, the present invention provides a method for improving the problem in the prior art that "the detector may be clogged by materials during detection, which makes cleaning difficult and affects the detection results."

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a speed detection mechanism of a mixer, comprising a shell, a front surface of the shell is rotatably connected to a rotating shaft, an outer wall of the rotating shaft is fixedly connected to a shaft sleeve, an outer wall of the rotating shaft is provided with a sealing rotating assembly, the sealing rotating assembly includes a rotating ring, an inner wall of the rotating ring is provided with a connecting groove, the rear end of the rotating ring is rotatably connected to a connecting ring, the front surface of the shell is provided with a fixing assembly, the fixing assembly includes a mounting ring, the mounting ring is fixedly connected to the front surface of the shell, and the left end of the connecting ring is fixedly connected to a detector.

[0007] As a further description of the above technical solution:

[0008] The outer wall of the sleeve is provided with a protrusion, and the protrusion of the sleeve slides on the inner wall of the connecting groove. The sealing rotating assembly also includes a sealing plate, and the sealing plate is fixedly connected to the front surface of the rotating ring. The rear surface of the sealing plate is provided with a sliding rail, and the inner wall of the sliding rail is slidably connected with a slider. The front surface of the slider is provided with a limiting ring, and the limiting ring is rotatably connected to the inner wall of the rotating ring.

[0009] As a further description of the above technical solution:

[0010] A sliding groove is provided on the front surface of the limiting ring, a rubber pad is fixedly connected to the right end of the slider, and a cylindrical protrusion is provided on the rear surface of the slider, and the cylindrical protrusion of the slider slides on the inner wall of the sliding groove.

[0011] As a further description of the above technical solution:

[0012] A through groove is provided on the outer wall of the rotating ring, a round rod is slidably connected to the inner wall of the through groove, and a fixed ring is sleeved on the outer wall of the rotating ring.

[0013] As a further description of the above technical solution:

[0014] The fixing assembly also includes a mounting collar, the outer wall of the mounting collar is slidably connected to a fixing collar, the outer wall of the fixing collar is provided with fixing grooves in multiple groups, and the outer wall of the mounting collar is provided with a clamping groove.

[0015] As a further description of the above technical solution:

[0016] The fixing collar and the mounting ring are elastically connected via a spring, one end of the spring is fixedly connected to the rear surface of the fixing collar, and the other end of the spring is fixedly connected to the front surface of the mounting ring, and the shape of the slot is L-shaped.

[0017] As a further description of the above technical solution:

[0018] The round rod is fixedly connected to the outer wall of the limiting ring, and the round rod passes through and is slidably connected to the inner wall of the fixing ring. The top end of the fixing ring is threadedly connected with a bolt.

[0019] As a further description of the above technical solution:

[0020] The outer wall of the connecting ring is fixedly connected with a plurality of mounting columns, and the outer wall of the shaft sleeve is fixedly connected with a cam, and the cam and the detector are arranged in the same plane.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the present invention, by providing a sealed rotating assembly, a connecting ring and a detector, the detection portion of the detector can be sealed to prevent the stirred material from sticking and affecting the use effect of the detector. At the same time, the sealed rotating assembly can be adapted to different shaft sizes, further improving the practicality of the device.

[0023] 2. In the present invention, by providing a fixed assembly, a single person can quickly disassemble the detection component, which is convenient for cleaning the component without affecting the use effect of the mixer, thereby further improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the three-dimensional structure of the overall device in the utility model;

[0025] Figure 2 This is a schematic diagram of the three-dimensional structure of the fixed component, the sealed rotating component and the rotating shaft in the present invention;

[0026] Figure 3 This is a schematic diagram of the three-dimensional structure of the sealing rotating assembly in the present invention;

[0027] Figure 4 This is a schematic diagram of the three-dimensional structure of the fixed component and the connecting ring in the present invention.

[0028] Legend:

[0029] 1. Housing; 2. Rotating shaft; 3. Fixing assembly; 31. Fixing collar; 32. Mounting collar; 33. Spring; 34. Mounting ring; 35. Slot; 36. Fixing groove; 4. Sealing rotating assembly; 41. Sealing plate; 42. Slide rail; 43. Slider; 44. Rubber pad; 45. Limiting ring; 46. Slide groove; 47. Rotating ring; 48. Connecting groove; 49. Round rod; 410. Through groove; 5. Fixing ring; 6. Bolt; 7. Connecting ring; 8. Detector; 9. Cam; 10. Bushing; 11. Mounting column. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] Reference Figure 1-3The utility model provides an embodiment of a speed detection mechanism for a mixer, comprising a housing 1, wherein the housing 1 refers to the outer shell of the mixer or motor, the front surface of the housing 1 is rotatably connected to a rotating shaft 2, the rotating shaft 2 refers to a stirring rod or a motor output shaft, the outer wall of the rotating shaft 2 is fixedly connected to a shaft sleeve 10 for fixed connection, the outer wall of the rotating shaft 2 is provided with a sealing rotating component 4, the sealing rotating component 4 is used to provide a sealed space for the detector 8 to reduce detection interference, the sealing rotating component 4 includes a rotating ring 47 for connecting and fixing other components, the inner wall of the rotating ring 47 is provided with a connecting groove 48, the connecting groove 48 is used to connect with the shaft sleeve 10, the rear end of the rotating ring 47 is rotatably connected to a connecting ring 7, the connecting ring 7 is used to detect For the installation and fixation of the detector 8, a fixing component 3 is provided on the front surface of the shell 1, and the fixing component 3 is used to fix the installation connecting ring 7. The fixing component 3 includes a mounting ring 34 for fixing other components. The mounting ring 34 is fixedly connected to the front surface of the shell 1. The left end of the connecting ring 7 is fixedly connected to the detector 8. The detector 8 is an existing structure and can be implemented by technicians in this field. Since it is a prior art, it will not be described in detail in this case. The outer wall of the sleeve 10 is fixedly connected to the cam 9, which is used for sensing the detector 8. The cam 9 and the detector 8 are arranged in the same plane. The outer wall of the connecting ring 7 is fixedly connected to the mounting column 11 and the number is multiple groups. The mounting column 11 is used for the installation of the connecting ring 7.

[0032] Reference Figure 3The outer wall of the sleeve 10 is provided with a protrusion, and the protrusion of the sleeve 10 slides on the inner wall of the connecting groove 48. The sealing rotating assembly 4 also includes a sealing plate 41, which is used to install a slider 43. The sealing plate 41 is fixedly connected to the front surface of the rotating ring 47. The rear surface of the sealing plate 41 is provided with a slide rail 42. The slide rail 42 is used for the sliding of the slider 43. Each slider 43 slides horizontally within one edge of the slide rail 42. The inner wall of the slide rail 42 is slidably connected with a slider 43. The slider 43 is used to contact and seal with the rotating shaft 2. The front surface of the slider 43 is provided with a limiting ring 45 for moving the slider 43. The limiting ring 45 is rotatably connected to the inner wall of the rotating ring 47. The front surface of the limiting ring 45 is provided with a slide groove 46. The slide groove 46 is used to limit the movement of the slider 43. The right end of the block 43 is fixedly connected with a rubber pad 44. The rubber pad 44 is made of rubber and has a soft texture and can be used to seal the gap between the slider 43 and the rotating shaft 2. The rear surface of the slider 43 is provided with a cylindrical protrusion for connecting the limit ring 45. The cylindrical protrusion of the slider 43 slides on the inner wall of the slide groove 46. The outer wall of the rotating ring 47 is provided with a through groove 410 for limiting the rotation of the limit ring 45. The inner wall of the through groove 410 is slidably connected with a round rod 49 that serves as a connection. The round rod 49 is fixedly connected to the outer wall of the limit ring 45. The outer wall of the rotating ring 47 is sleeved with a fixing ring 5. The inner wall of the fixing ring 5 is made of rubber to increase friction. The round rod 49 passes through and is slidably connected to the inner wall of the fixing ring 5. The top of the fixing ring 5 is threadedly connected with a bolt 6 for clamping the fixing ring 5.

[0033] Reference Figure 1 、 Figure 4 The fixing assembly 3 also includes a mounting collar 32, which is used to install the connecting ring 7. The outer wall of the mounting collar 32 is slidably connected to the fixing collar 31, and the fixing collar 31 is used to fix the connecting ring 7. The outer wall of the mounting collar 32 is provided with a card slot 35 for fixing the mounting column 11. The card slot 35 is L-shaped and is used to clamp the mounting column 11. The outer wall of the fixing collar 31 is provided with a fixing groove 36 and the number is multiple groups. The fixing groove 36 is used to fix the clamped mounting column 11. The fixing collar 31 and the mounting ring 34 are elastically connected by a spring 33. One end of the spring 33 is fixedly connected to the rear surface of the fixing collar 31, and the other end of the spring 33 is fixedly connected to the front surface of the mounting ring 34.

[0034] Working principle: When in use, install the fixing component 3 on the housing 1 provided with the rotating shaft 2, first install the sleeve 10 on the outer wall of the rotating shaft 2, and the installation position of the sleeve 10 needs to be aligned with the detector 8. At this time, place the connecting ring 7 connected to the sealing rotating component 4 on the front surface of the fixing component 3, slide the fixing collar 31 backward to reveal the slot 35 opened by the installation collar 32, and clamp the cylindrical protrusion on the outer wall of the connecting ring 7 inside the slot 35. Loosen the fixing collar 31, and the fixing collar 31 is subjected to the elastic force of the spring 33, which squeezes the fixing collar 31 forward. The connecting ring 7 is fixed by the fixing collar 31 and the installation collar 32. At this time, the sleeve 10 The protrusion provided on the outer wall slides on the inner wall of the connecting groove 48 opened on the inner wall of the rotating ring 47. At this time, the fixed ring 5 is rotated, and the fixed ring 5 drives the round rod 49 to move. The round rod 49 drives the limiting ring 45 to rotate. The limiting ring 45 drives the slider 43 to move through the sliding groove 46. The slider 43 slides along the sliding rail 42 opened on the sealing plate 41. The slider 43 thereby squeezes the rotating shaft 2. Since the slider 43 is provided with a rubber pad 44, the slider 43 can seal the rotating shaft 2. At this time, the fixed ring 5 is clamped by the bolt 6 to put the sealed rotating assembly 4 in a sealed state. When the sealed rotating assembly 4 and the connecting ring 7 need to be disassembled, the above operations can be performed in reverse order.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A speed detection mechanism for a mixer, comprising a housing (1), characterized in that: The front surface of the housing (1) is rotatably connected to a rotating shaft (2), the outer wall of the rotating shaft (2) is fixedly connected to a shaft sleeve (10), the outer wall of the rotating shaft (2) is provided with a sealing rotating assembly (4), the sealing rotating assembly (4) includes a rotating ring (47), the inner wall of the rotating ring (47) is provided with a connecting groove (48), the rear end of the rotating ring (47) is rotatably connected to a connecting ring (7), the front surface of the housing (1) is provided with a fixing assembly (3), the fixing assembly (3) includes a mounting ring (34), the mounting ring (34) is fixedly connected to the front surface of the housing (1), and the left end of the connecting ring (7) is fixedly connected to a detector (8).

2. The speed detection mechanism of a mixer according to claim 1, characterized in that: The outer wall of the shaft sleeve (10) is provided with a protrusion, and the protrusion of the shaft sleeve (10) slides on the inner wall of the connecting groove (48). The sealing rotating assembly (4) also includes a sealing plate (41), and the sealing plate (41) is fixedly connected to the front surface of the rotating ring (47). The rear surface of the sealing plate (41) is provided with a slide rail (42), and the inner wall of the slide rail (42) is slidably connected to a slider (43). The front surface of the slider (43) is provided with a limiting ring (45), and the limiting ring (45) is rotatably connected to the inner wall of the rotating ring (47).

3. The speed detection mechanism of a mixer according to claim 2, characterized in that: A slide groove (46) is provided on the front surface of the limiting ring (45), a rubber pad (44) is fixedly connected to the right end of the slider (43), and a cylindrical protrusion is provided on the rear surface of the slider (43), and the cylindrical protrusion of the slider (43) slides on the inner wall of the slide groove (46).

4. The speed detection mechanism of a mixer according to claim 1, characterized in that: A through groove (410) is formed on the outer wall of the rotating ring (47), a round rod (49) is slidably connected to the inner wall of the through groove (410), and a fixed ring (5) is sleeved on the outer wall of the rotating ring (47).

5. The speed detection mechanism of a mixer according to claim 1, characterized in that: The fixing assembly (3) further comprises a mounting collar (32), the outer wall of the mounting collar (32) being slidably connected to a fixing collar (31), the outer wall of the fixing collar (31) being provided with fixing grooves (36) in a plurality of groups, and the outer wall of the mounting collar (32) being provided with a clamping groove (35).

6. The speed detection mechanism of a mixer according to claim 5, characterized in that: The fixing collar (31) and the mounting ring (34) are elastically connected via a spring (33), one end of the spring (33) is fixedly connected to the rear surface of the fixing collar (31), and the other end of the spring (33) is fixedly connected to the front surface of the mounting ring (34), and the shape of the slot (35) is L-shaped.

7. The speed detection mechanism of a mixer according to claim 4, characterized in that: The round rod (49) is fixedly connected to the outer wall of the limiting ring (45), and the round rod (49) passes through and is slidably connected to the inner wall of the fixing ring (5). The top end of the fixing ring (5) is threadedly connected with a bolt (6).

8. The speed detection mechanism of a mixer according to claim 1, characterized in that: The outer wall of the connecting ring (7) is fixedly connected with a plurality of mounting columns (11), and the outer wall of the shaft sleeve (10) is fixedly connected with a cam (9), and the cam (9) and the detector (8) are arranged in the same plane.

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