Mounting assembly of overload protector for gear-reduction starter

Abstract

The utility model discloses a mounting assembly of an overload protector for a gear-reduction starter, and relates to the technical field of gear-reduction starters. The overload protector comprises a driving motor, a sliding groove is fixedly formed in one side of the driving motor, a mounting plate is slidably clamped in the sliding groove, a lock catch assembly is mounted in the mounting plate, an overload protector body is clamped on the mounting plate, limiting pins are rotationally mounted at the four corners of the mounting plate, and inserting holes are formed in the four corners of the overload protector body. The two adjacent limiting pins and the two adjacent insertion holes are opposite in shape, the four limiting pins can be inserted into the corresponding insertion holes, a driving assembly is installed in the installation plate, and after the overload protector is installed on the installation plate through the driving assembly, the overload protector is limited and fixed through the driving assembly; and a traditional mode that the overload protector is fixed through a fastening bolt is replaced, so that the problem that the overload protector falls off due to the fact that the fastening bolt is loosened is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of deceleration starters, in particular to a mounting assembly of an overload protector for a deceleration starter. Background Art

[0002] A starter with a gear reducer installed between the armature shaft and the drive gear of the starter is called a reduction starter. The gear reducers of the reduction starter are of three different types: external meshing type, internal meshing type, and planetary gear type. There are also conventional type, reduction type, planetary type, and planetary acceleration part motor conductor type.

[0003] In order to prevent the deceleration starter from being damaged due to large resistance, an overload protector is usually installed on the drive motor to protect the operation of the starter. Most of the existing overload protectors for deceleration starters are fastened and installed by fastening bolts. However, vibration will be generated during the operation of the starter, and the vibration will cause the fastening bolts to loosen, causing the overload protector to fall off, affecting the normal operation of the starter. In view of the above problems, the inventor proposes an installation component for an overload protector for a deceleration starter to solve the above problems. Utility Model Content

[0004] In order to solve the problem that most of the existing overload protectors for deceleration starters are installed by fastening bolts, but vibrations will be generated during the operation of the starter, and the vibrations will cause the fastening bolts to loosen, resulting in the overload protector falling off; the purpose of the utility model is to provide an installation component for an overload protector for a deceleration starter.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: an installation component of an overload protector for a deceleration starter, including a driving motor, a slide groove is fixedly installed on one side of the driving motor, a mounting plate is slidably provided in the slide groove, a locking assembly is installed in the mounting plate, an overload protector body is mounted on the mounting plate, limit pins are rotatably installed at the four corners of the mounting plate, sockets are opened at the four corners of the overload protector body, and the shapes of two adjacent limit pins and two adjacent sockets are opposite. The four limit pins can be inserted into the corresponding sockets, and a driving component is installed in the mounting plate.

[0006] Preferably, the lock assembly includes two first tooth plates distributed in a mirror image, and the first tooth plates are slidably clamped in the mounting plate, limiting holes are provided on both sides of the inside of the slide groove, and the first tooth plate can be slidably inserted into the corresponding limiting holes, a first gear is rotatably installed in the mounting plate, and the first gear is meshed with the first tooth plate, a second tooth plate is slidably inserted in the mounting plate, and the second tooth plate is meshed with the first gear, a first sliding rod is fixedly installed on the top of the second tooth plate, a button is fixedly installed on the top of the first sliding rod, a first spring is fixedly installed in the mounting plate, and the first spring is sleeved on the top of the first sliding rod and fixedly connected to the bottom of the button.

[0007] Preferably, the driving assembly includes a first double-headed worm gear, and the first double-headed worm gear is rotatably mounted on one side of the mounting plate, a second gear is fixedly mounted on the top end of the first double-headed worm gear, a third tooth plate is slidably mounted on the top end of the mounting plate, and the third tooth plate is meshed with the second gear, a second sliding rod is slidably inserted at the top end of the mounting plate, and one end of the second sliding rod is fixedly connected to one end of the third tooth plate, and a second spring is sleeved on the second sliding rod.

[0008] Preferably, a second worm gear is rotatably installed in the four corners of the mounting plate, and the second worm gear is fixedly connected to one end of the corresponding limit pin, two second double-headed worm gears with mirror distribution are rotatably installed in the mounting plate, and the second double-headed worm gears are meshed with the corresponding second worm gears, and a first worm gear is fixedly installed at one end of the two second double-headed worm gears, and the first worm gear is meshed with the corresponding first double-headed worm gear.

[0009] Compared with the prior art, the beneficial effects of the present invention are:

[0010] 1. In the utility model, after the overload protector is installed on the mounting plate, the drive assembly is used to limit and fix it, replacing the traditional method of fixing the overload protector with fastening bolts, thereby avoiding the problem of the overload protector falling due to loosening of the fastening bolts;

[0011] 2. In the utility model, by providing a locking assembly, after the mounting plate equipped with the overload protector is mounted on the drive motor, the locking assembly is used to limit and fix it, thereby achieving the purpose of easy disassembly and installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the drive motor of the utility model;

[0015] Figure 3 This is a schematic diagram of the front structure of the mounting plate of the utility model;

[0016] Figure 4 This is a schematic diagram of the back structure of the mounting plate of the utility model;

[0017] Figure 5 This is a schematic diagram of the cross-sectional structure of the back side of the mounting plate of the utility model;

[0018] Figure 6 This is a schematic diagram of the front cross-sectional structure of the mounting plate of the utility model;

[0019] Figure 7 For this utility model Figure 6 A schematic diagram of the structure enlargement in the middle;

[0020] Figure 8 This is a schematic diagram of the main structure of the overload protector of the utility model.

[0021] In the figure: 1. drive motor; 11. slide groove; 111. limit hole; 2. mounting plate; 21. limit pin; 3. overload protector body; 31. socket; 4. lock assembly; 41. button; 42. first tooth plate; 43. first gear; 44. second tooth plate; 45. first slide bar; 46. first spring; 5. drive assembly; 51. first double-start worm; 52. first worm wheel; 53. second double-start worm; 54. second worm wheel; 55. second gear; 56. third tooth plate; 57. second slide bar; 58. second spring. DETAILED DESCRIPTION

[0022] 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.

[0023] Example: Figure 1-8 As shown, the utility model provides an installation assembly of an overload protector for a deceleration starter, comprising a driving motor 1, a slide groove 11 is fixedly installed on one side of the driving motor 1, a mounting plate 2 is slidably mounted in the slide groove 11, a locking assembly 4 is installed in the mounting plate 2, an overload protector body 3 is mounted on the mounting plate 2, limiting pins 21 are rotatably installed at the four corners of the mounting plate 2, and plug holes 31 are opened at the four corners of the overload protector body 3, and the shapes of two adjacent limiting pins 21 and two adjacent plug holes 31 are The shape is opposite, and the four limit pins 21 can be inserted into the corresponding sockets 31. The driving component 5 is installed in the mounting plate 2. First, the driving component 5 is used to drive the limit pin 21 on the mounting plate 2 to rotate ninety degrees, so that the limit pin 21 is consistent in shape with the socket 31 on the overload protector body 3, and then the overload protector body 3 is installed on the mounting plate 2, and the limit pin 21 is used to limit and fix it, and then the mounting plate 2 is slidably inserted into the slide groove 11 on the drive motor 1, and the lock component 4 is used to limit and fix it.

[0024] The locking assembly 4 includes two first tooth plates 42 that are distributed in a mirror image, and the first tooth plates 42 are slidably clamped in the mounting plate 2. Limiting holes 111 are provided on both sides of the inner side of the slide groove 11, and the first tooth plates 42 can be slidably inserted into the corresponding limiting holes 111.

[0025] By adopting the above technical solution, the first tooth plate 42 is slidably inserted into the limiting hole 111 on the slide groove 11 .

[0026] A first gear 43 is rotatably mounted in the mounting plate 2 , and the first gear 43 is meshed with the first toothed plate 42 . A second toothed plate 44 is slidably inserted in the mounting plate 2 , and the second toothed plate 44 is meshed with the first gear 43 .

[0027] By adopting the above technical solution, the first gear 43 drives the first toothed plate 42 to slide.

[0028] A first slide bar 45 is fixedly mounted on the top of the second toothed plate 44 , a button 41 is fixedly mounted on the top of the first slide bar 45 , a first spring 46 is fixedly mounted in the mounting plate 2 , and the first spring 46 is sleeved on the top of the first slide bar 45 and fixedly connected to the bottom of the button 41 .

[0029] By adopting the above technical solution, pressing the button 41 drives the second tooth plate 44 to descend through the first slide rod 45 and squeezes the first spring 46. The second tooth plate 44 drives the first gear 43 to rotate. The button 41 is released and the first tooth plate 42 is reset by utilizing the rebound force of the first spring 46.

[0030] The driving assembly 5 includes a first double-headed worm 51 , and the first double-headed worm 51 is rotatably mounted on one side of the mounting plate 2 , and a second gear 55 is fixedly mounted on the top end of the first double-headed worm 51 .

[0031] By adopting the above technical solution, the second gear 55 drives the first double-headed worm 51 to rotate.

[0032] A third tooth plate 56 is slidably installed on the top of the mounting plate 2, and the third tooth plate 56 is meshed with the second gear 55. A second slide rod 57 is slidably inserted on the top of the mounting plate 2, and one end of the second slide rod 57 is fixedly connected to one end of the third tooth plate 56. A second spring 58 is sleeved on the second slide rod 57.

[0033] By adopting the above technical solution, the third tooth plate 56 is pushed to slide, and the second spring 58 is tightened, so that the third tooth plate 56 drives the second gear 55 to rotate.

[0034] A second worm gear 54 is rotatably installed in each of the four corners of the mounting plate 2, and the second worm gear 54 is fixedly connected to one end of the corresponding limit pin 21. Two second double-headed worms 53 with mirror-image distribution are rotatably installed in the mounting plate 2, and the second double-headed worms 53 are meshed with the corresponding second worm gear 54.

[0035] By adopting the above technical solution, the second double-start worm 53 drives the second worm wheel 54 to rotate, and the second worm wheel 54 drives the limiting pin 21 to rotate ninety degrees.

[0036] A first worm wheel 52 is fixedly mounted on one end of each of the two second double-start worm gears 53 , and the first worm wheel 52 is meshed with the corresponding first double-start worm gear 51 .

[0037] By adopting the above technical solution, the first double-start worm 51 drives the first worm wheel 52 to rotate, and the first worm wheel 52 drives the second double-start worm 53 to rotate.

[0038] Working principle: When the utility model is in use (all structural states shown in the figure are default states), first push the third tooth plate 56 to slide, and tighten the second spring 58, the third tooth plate 56 drives the second gear 55 to rotate, the second gear 55 drives the first double-headed worm 51 to rotate, the first double-headed worm 51 drives the first worm wheel 52 to rotate, the first worm wheel 52 drives the second double-headed worm 53 to rotate, the second double-headed worm 53 drives the second worm wheel 54 to rotate, the second worm wheel 54 drives the limit pin 21 to rotate ninety degrees, so that the limit pin 21 is consistent in shape with the socket 31 on the overload protector body 3, then the overload protector body 3 is installed on the mounting plate 2, and the third tooth plate 56 is loosened, and the limit pin 21 is reset by the rebound force of the second spring 58, so as to limit and fix the overload protector body 3;

[0039] Then, the button 41 is pressed to drive the second tooth plate 44 to descend through the first slide rod 45 and squeeze the first spring 46. The second tooth plate 44 drives the first gear 43 to rotate. The first gear 43 drives the first tooth plate 42 to slide and retract into the mounting plate 2. Then, the mounting plate 2 is slidably inserted into the slide groove 11 on the drive motor 1, and the button 41 is released. The resilience of the first spring 46 is used to reset the first tooth plate 42 and insert it into the limiting hole 111 on the slide groove 11 to limit and fix it.

[0040] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A mounting assembly for an overload protector for a deceleration starter, comprising a drive motor (1), characterized in that: A slide groove (11) is fixedly installed on one side of the driving motor (1), a mounting plate (2) is slidably mounted in the slide groove (11), a locking assembly (4) is mounted in the mounting plate (2), an overload protector body (3) is mounted on the mounting plate (2), limiting pins (21) are rotatably mounted at the four corners of the mounting plate (2), plug holes (31) are opened at the four corners of the overload protector body (3), and the shapes of two adjacent limiting pins (21) and two adjacent plug holes (31) are opposite, and the four limiting pins (21) can be inserted into the corresponding plug holes (31), and a driving assembly (5) is mounted in the mounting plate (2).

2. The mounting assembly of an overload protector for a deceleration starter according to claim 1, characterized in that: The locking assembly (4) comprises two first tooth plates (42) which are arranged in a mirror-like manner, and the first tooth plates (42) are slidably clamped in the mounting plate (2), and limiting holes (111) are provided on both sides of the interior of the sliding groove (11), and the first tooth plates (42) can be slidably inserted into the corresponding limiting holes (111).

3. The mounting assembly of an overload protector for a deceleration starter according to claim 1, characterized in that: A first gear (43) is rotatably mounted in the mounting plate (2), and the first gear (43) is meshed with the first toothed plate (42); a second toothed plate (44) is slidably inserted in the mounting plate (2), and the second toothed plate (44) is meshed with the first gear (43).

4. The mounting assembly of an overload protector for a deceleration starter according to claim 3, characterized in that: A first slide bar (45) is fixedly mounted on the top end of the second tooth plate (44), a button (41) is fixedly mounted on the top end of the first slide bar (45), a first spring (46) is fixedly mounted inside the mounting plate (2), and the first spring (46) is sleeved on the top end of the first slide bar (45) and fixedly connected to the bottom end of the button (41).

5. The mounting assembly of an overload protector for a deceleration starter according to claim 1, characterized in that: The driving assembly (5) comprises a first double-headed worm (51), and the first double-headed worm (51) is rotatably mounted on one side of the mounting plate (2), and a second gear (55) is fixedly mounted on the top end of the first double-headed worm (51).

6. The mounting assembly of an overload protector for a deceleration starter according to claim 1, characterized in that: A third tooth plate (56) is slidably mounted on the top of the mounting plate (2), and the third tooth plate (56) is meshed with the second gear (55). A second slide bar (57) is slidably inserted on the top of the mounting plate (2), and one end of the second slide bar (57) is fixedly connected to one end of the third tooth plate (56), and a second spring (58) is sleeved on the second slide bar (57).

7. The mounting assembly of an overload protector for a deceleration starter according to claim 1, characterized in that: A second worm gear (54) is rotatably mounted in each of the four corners of the mounting plate (2), and the second worm gear (54) is fixedly connected to one end of a corresponding limit pin (21). Two second double-headed worms (53) distributed in a mirror image are rotatably mounted in the mounting plate (2), and the second double-headed worms (53) are meshed with the corresponding second worm gears (54).

8. The mounting assembly of an overload protector for a deceleration starter according to claim 7, characterized in that: A first worm wheel (52) is fixedly mounted on one end of each of the two second double-headed worm gears (53), and the first worm wheel (52) is meshed with the corresponding first double-headed worm gear (51).

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