Quick dismounting and mounting structure of hand-drive block

Abstract

The utility model discloses a quick disassembly and assembly structure of a chain hoist, and relates to the technical field of hoisting machinery. A protective cover is arranged on one side of the shell, a protruding column is fixedly connected to the face, facing the protective cover, of the shell, a clamping groove is formed in the side wall of the protruding column, an installation hole is formed in the face, facing the shell, of the protective cover, the protruding column corresponds to and is matched with the installation hole, a cavity opening is formed in the protective cover, and a gear ring is arranged in the cavity opening. A rotating shaft is rotatably connected to the face, back to the shell, of the protective cover in a penetrating mode, a first gear and a second gear are fixedly connected to the side wall of the rotating shaft, a toothed plate is meshed with the side wall of the second gear, a connecting plate is fixedly connected to the end face of the toothed plate, a clamping rod is arranged on one side of the connecting plate, and the clamping rod corresponds to and is matched with the clamping groove; the bolt can be quickly disassembled and assembled, the operation is convenient, the bolts do not need to be disassembled and assembled one by one, and the working efficiency can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting machinery technical field, concretely is a quick dismounting structure of hand chain hoist. BACKGROUND

[0002] The hand chain hoist is also called god chain hoist, chain chain hoist, chain, jin not fall, hand chain hoist, is a kind of simple use, portable hand-operated hoisting machinery, also called ring chain hoist or chain, the connection between the shell and cover of hand chain hoist during installation usually relies on fastener such as bolt to ensure the stability and safety of connection, and there is some deficiency in installation and fixation by bolt, when dismounting, bolt is operated one by one, it is more tedious, and once the head of a bolt is damaged due to rust, it will increase dismounting difficulty, affect operation efficiency, to solve the above problems, the inventor proposes a quick dismounting structure of hand chain hoist to solve the above problems. SUMMARY

[0003] To solve the problem that the shell and cover are more troublesome to dismount during installation of the current hand chain hoist;The utility model aims at providing a quick dismounting structure of hand chain hoist.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a quick dismounting structure of hand chain hoist, including shell, the one side of shell is provided with protective cover, the one side of shell is fixedly connected with convex column towards protective cover, the side wall of convex column is provided with clamping groove, the one side of protective cover is provided with mounting hole towards shell, the convex column is corresponding and matched with mounting hole, the inside of protective cover is provided with cavity mouth, the cavity mouth is provided with tooth ring, the one side of protective cover is inserted and rotationally connected with rotating shaft towards shell, the side wall of rotating shaft is fixedly connected with first gear and second gear, the first gear is corresponding and engaged with tooth ring, the side wall of second gear is engaged with tooth plate, the end surface of tooth plate is fixedly connected with connecting plate, the one side of connecting plate is provided with clamping rod, the clamping rod is corresponding and matched with clamping groove.

[0005] Preferably, the inner side wall of the gear ring is rotationally connected with a ring body, the side wall of the ring body is fixedly connected with the inner wall of the cavity opening, one side of the protective cover away from the shell is provided with a notch, the shaft end of the rotating shaft is fixedly connected with a hexagonal knob, the hexagonal knob is located in the notch, and the size of the hexagonal knob is smaller than the diameter size of the notch, the ring body is used for supporting the rotation of the gear ring, the hexagonal knob can be screwed by a wrench, so that the rotating shaft can be rotated, and then the first gear and the second gear can be rotated, the gear ring can be stably rotated through the meshing of the first gear and the gear ring and the cooperation of the ring body, and then the gear ring drives the remaining three first gears to rotate, so that the remaining three second gears are rotated.

[0006] Preferably, the first gear and the second gear are located in the cavity opening, the bottom surface of the toothed plate is fixedly connected with a sliding rail, the lower side of the toothed plate is provided with a guide plate, the top surface of the guide plate is provided with a guide groove, the sliding rail is corresponding to the guide groove and is in sliding connection, the bottom surface of the guide plate is fixedly connected with a fixed plate, and one side of the fixed plate away from the guide plate is fixedly connected with the side wall of the ring body; when the second gear rotates, the toothed plate drives the fixed plate to move through the meshing of the second gear and the toothed plate and the cooperation of the sliding rail and the guide groove, so that the clamping rod moves into the mounting hole until the clamping rod is inserted into the clamping groove, the protruding column is limited and fixed, and then the installation of the protective cover and the shell is completed.

[0007] Preferably, the end surface of the clamping rod is fixedly connected with a supporting plate, one side of the supporting plate away from the clamping rod is fixedly connected with the end surface of the connecting plate, the number of the clamping rods is four, the four clamping rods are arrayed around the axis of the protective cover, and the rod ends of the clamping rods extend into the mounting hole; the clamping rod is installed and fixed through the supporting plate; when the shell and the protective cover are assembled, the protective cover is correspondingly arranged on the shell, the protruding column is correspondingly inserted into the mounting hole, the protruding column is limited and fixed through the cooperation of the clamping rod and the clamping groove on the protruding column, and then the installation of the protective cover and the shell is completed.

[0008] Compared with the prior art, the protective cover and the shell can be quickly disassembled and assembled, the operation is convenient, the bolts do not need to be disassembled one by one, the working efficiency is effectively improved, the hexagonal knob can be screwed by a wrench when the shell and the protective cover are assembled, the first gear and the second gear are rotated, the toothed plate drives the fixed plate to move through the meshing of the second gear and the toothed plate, the clamping rod is inserted into the clamping groove, the protruding column is limited and fixed, the installation of the protective cover and the shell is completed, and the protective cover and the shell can be disassembled by reversing the operation when disassembled. BRIEF DESCRIPTION OF DRAWINGS

[0009] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0010] Figure 1 It is a whole structure schematic view of the present application.

[0011] Figure 2 It is another whole structure schematic view of the present application.

[0012] Figure 3 It is a protective cover and shell cooperation schematic view of the present application.

[0013] Figure 4 It is an enlarged view of A of the present application.

[0014] Figure 5 It is a protective cover internal structure schematic view of the present application.

[0015] Figure 6 It is an enlarged view of B of the present application.

[0016] In the figure: 1, shell; 2, convex column; 3, clamping groove; 4, protective cover; 5, cavity opening; 6, mounting hole; 7, recess; 8, rotating shaft; 9, hexagonal knob; 10, first gear; 11, second gear; 12, gear ring; 13, ring body; 14, toothed plate; 15, slide rail; 16, guide plate; 17, fixed plate; 18, connecting plate; 19, support plate; 20, clamping rod. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0018] Embodiment: as Figures 1-6The utility model provides a quick dismounting structure of manual gourd, including casing 1, the one side of casing 1 is provided with protective cover 4, the one side of casing 1 towards protective cover 4 is fixedly connected with the convex column 2, the lateral wall of convex column 2 is provided with the clamping groove 3, the one side of protective cover 4 towards casing 1 is provided with mounting hole 6, the convex column 2 corresponds with mounting hole 6 and is matched, the inside of protective cover 4 is provided with the cavity mouth 5, is provided with the tooth ring 12 in the cavity mouth 5, the one side of protective cover 4 away from casing 1 is inserted and rotationally connected with rotating shaft 8, the lateral wall of rotating shaft 8 is fixedly connected with first gear 10 and second gear 11, first gear 10 corresponds with tooth ring 12 and is engaged, the lateral wall of second gear 11 is engaged with the toothed plate 14, the end surface of toothed plate 14 is fixedly connected with connecting plate 18, one side of connecting plate 18 is provided with clamping rod 20, clamping rod 20 corresponds with clamping groove 3 and is matched.

[0019] The inner side wall of tooth ring 12 is rotationally connected with ring body 13, and the lateral wall of ring body 13 is fixedly connected with the inner wall of cavity mouth 5, the one side of protective cover 4 away from casing 1 is provided with recess 7, the shaft end of rotating shaft 8 is fixedly connected with hexagonal knob 9, hexagonal knob 9 is located in recess 7, and the size of hexagonal knob 9 is less than the diameter size of recess 7.

[0020] Through the above technical scheme, ring body 13 is used to support the rotation of tooth ring 12, the hexagonal knob 9 can be twisted by an external wrench, so that the rotating shaft 8 can be rotated, and then the first gear 10 and the second gear 11 can be rotated, the first gear 10 and the tooth ring 12 are engaged with each other, and the ring body 13 is matched, so that the tooth ring 12 can be stably rotated, and then the tooth ring 12 can drive the remaining three first gears 10 to rotate, so that the remaining three second gears 11 can be rotated.

[0021] The first gear 10 and the second gear 11 are located in the cavity mouth 5, the bottom surface of the toothed plate 14 is fixedly connected with the slide rail 15, the lower portion of the toothed plate 14 is provided with the guide plate 16, the top surface of the guide plate 16 is provided with the guide groove, the slide rail 15 corresponds with the guide groove and is slidingly connected, the bottom surface of the guide plate 16 is fixedly connected with the fixed plate 17, and the side wall of the ring body 13 is fixedly connected to the one side of the fixed plate 17 away from the guide plate 16.

[0022] Through the above technical scheme, when the second gear 11 rotates, the second gear 11 and the toothed plate 14 are engaged with each other, and the slide rail 15 and the guide groove are matched, so that the toothed plate 14 can drive the fixed plate 17 to move, and then the clamping rod 20 can move into the mounting hole 6 until the clamping rod 20 is inserted into the clamping groove 3 to limit and fix the convex column 2, and then the protective cover 4 and the casing 1 can be installed.

[0023] The end surface of the clamping rod 20 is fixedly connected with a supporting plate 19, the side of the supporting plate 19 away from the clamping rod 20 is fixedly connected with the end surface of the connecting plate 18, the number of the clamping rod 20 is four, and the four clamping rods 20 are arrayed around the axis of the protective cover 4, and the rod end of the clamping rod 20 extends into the mounting hole 6.

[0024] By adopting the above technical scheme, the clamping rod 20 is installed and fixed through the supporting plate 19, when the protective cover 4 and the shell 1 are assembled, the protective cover 4 is corresponded with the shell 1, and the convex column 2 is correspondingly inserted into the mounting hole 6, the convex column 2 is limited and fixed through the cooperation between the clamping rod 20 and the clamping groove 3 on the convex column 2, and then the installation of the protective cover 4 and the shell 1 can be completed.

[0025] Working principle: when the protective cover 4 and the shell 1 need to be assembled, the protective cover 4 is corresponded with the shell 1, and the convex column 2 is correspondingly inserted into the mounting hole 6, then the hexagonal knob 9 can be screwed by an external wrench, so that the rotating shaft 8 can be rotated, and then the first gear 10 and the second gear 11 can be rotated, the first gear 10 and the gear ring 12 are meshed with each other, and the gear ring 12 is stably rotated under the cooperation of the ring body 13, so that the gear ring 12 drives the remaining three first gears 10 to rotate, so that the remaining three second gears 11 are rotated.

[0026] When the second gear 11 is rotated, the second gear 11 and the toothed plate 14 are meshed with each other, and the toothed plate 14 drives the fixed plate 17 to move under the cooperation of the sliding rail 15 and the guide groove, so that the four clamping rods 20 are all moved into the mounting hole 6, until the clamping rod 20 is inserted into the clamping groove 3, so that the limiting and fixing of the convex column 2 can be completed, and then the installation of the protective cover 4 and the shell 1 can be completed, and when disassembly is needed, only reverse operation is needed.

[0027] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model belong to the scope of the claims of the utility model and its equivalent technologies, the utility model also intends to include these modifications and variations.

Claims

1. A quick dismounting structure of a hand chain hoist comprising a housing (1), characterized in that: The shell (1) is provided with a protective cover (4) on one side, the shell (1) is fixedly connected with a convex column (2) on the side facing the protective cover (4), the side wall of the convex column (2) is provided with a clamping groove (3), the protective cover (4) is provided with a mounting hole (6) on the side facing the shell (1), the convex column (2) corresponds and cooperates with the mounting hole (6), the inside of the protective cover (4) is provided with a cavity (5), the cavity (5) is provided with a tooth ring (12), the side away from the shell (1) of the protective cover (4) is rotatably connected with a rotating shaft (8), the side wall of the rotating shaft (8) is fixedly connected with a first gear (10) and a second gear (11), the first gear (10) corresponds and engages with the tooth ring (12), the side wall of the second gear (11) is engaged with a toothed plate (14), the end surface of the toothed plate (14) is fixedly connected with a connecting plate (18), one side of the connecting plate (18) is provided with a clamping rod (20), the clamping rod (20) corresponds and cooperates with the clamping groove (3).

2. A quick release structure of a manual hoist according to claim 1, wherein The inside wall of the tooth ring (12) is rotatably connected with a ring body (13), and the side wall of the ring body (13) is fixedly connected with the inner wall of the cavity (5).

3. A quick release structure of a manual hoist according to claim 1, wherein The side away from the shell (1) of the protective cover (4) is provided with a notch (7), the shaft end of the rotating shaft (8) is fixedly connected with a hexagonal knob (9), the hexagonal knob (9) is located in the notch (7), and the size of the hexagonal knob (9) is smaller than the diameter size of the notch (7).

4. A quick release structure of a manual elevator as claimed in claim 1, wherein, The first gear (10) and the second gear (11) are located in the cavity (5).

5. A quick release structure of a manual hoist according to claim 2, wherein The bottom surface of the toothed plate (14) is fixedly connected with a sliding rail (15), the lower side of the toothed plate (14) is provided with a guide plate (16), the top surface of the guide plate (16) is provided with a guide groove, and the sliding rail (15) corresponds and slidably connects with the guide groove.

6. A quick release structure of a manual hoist according to claim 5, wherein The bottom surface of the guide plate (16) is fixedly connected with a fixed plate (17), and the side wall of the ring body (13) is fixedly connected with the side away from the guide plate (16) of the fixed plate (17).

7. A quick release structure of a manual hoist according to claim 1, wherein The end surface of the clamping rod (20) is fixedly connected with a support plate (19), and the end surface of the support plate (19) away from the clamping rod (20) is fixedly connected with the end surface of the connecting plate (18).

8. A quick release structure of a manual hoist according to claim 1, wherein The number of the clamping rod (20) is four, and the four clamping rods (20) are arrayed around the axis of the protective cover (4), and the rod end of the clamping rod (20) extends into the mounting hole (6).

Images