Tooth coupling

Abstract

The utility model provides a gear coupling which comprises a first connecting sleeve, one end of the first connecting sleeve is fixedly provided with a second connecting sleeve through a limiting mechanism, the limiting mechanism comprises a movable plate and a limiting plate, and the inner wall of the first connecting sleeve and the inner wall of the second connecting sleeve are fixedly provided with inner tooth gear rings. According to the gear coupling, the first connecting sleeve and the second connecting sleeve can be conveniently and rapidly mounted and dismounted through the movable plate, the limiting plate and other limiting mechanisms, the gear coupling can be conveniently replaced, sound insulation and noise reduction can be conducted through the rubber disc, the rubber ring and the vacuum cavity, influences on the surrounding environment are avoided, and the gear coupling is high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of gear couplings, in particular to a gear coupling. Background Art

[0002] The gear coupling is composed of an inner gear ring, an outer gear ring, a sleeve and other parts with the same number of teeth. Due to its small radial size and large load-bearing capacity, it is often used in shaft transmission under low-speed and heavy-load industrial and mining conditions, such as metallurgy, mining, lifting and transportation industries.

[0003] A Chinese utility model patent with publication number CN204533252U proposes a gear coupling, which adopts a split structure and is divided into four parts: a connecting sleeve, an inner gear sleeve, an outer gear sleeve and a positioning sleeve; the connecting sleeve has a flange at the rear end, and the flange is connected to an "L"-shaped inner gear sleeve by fixing bolts; in this scheme, the connecting sleeve and the inner gear sleeve are fixed by multiple fixing bolts, and the inner gear sleeve and the intermediate pressure cover and the outer pressure cover are fixed by multiple pressure cover bolts, which makes installation and replacement inconvenient, and it does not have the ability to soundproof and reduce noise, and has low practicality.

[0004] To this end, the utility model provides a gear coupling. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a gear coupling to solve the problems raised in the above-mentioned background technology. The utility model facilitates the quick installation and disassembly between the first connecting sleeve and the second connecting sleeve through limiting mechanisms such as movable plates and limiting plates, and facilitates the replacement of the gear coupling. Sound insulation and noise reduction can be performed through rubber discs, rubber rings and vacuum chambers to avoid affecting the surrounding environment. The gear coupling has high practicability.

[0006] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a gear coupling, including a first connecting sleeve, one end of the first connecting sleeve is fixedly installed with a second connecting sleeve through a limiting mechanism, the limiting mechanism includes a movable plate and a limiting plate, the inner walls of the first connecting sleeve and the second connecting sleeve are fixedly installed with an internal toothed ring, the insides of the first connecting sleeve and the second connecting sleeve are both installed with shaft sleeves, one end of the shaft sleeve is fixedly installed with an external toothed ring, the internal toothed ring and the external toothed ring on the same side are meshed with each other, a rubber disc is fixedly installed between the first connecting sleeve and the second connecting sleeve, a rubber ring is fixedly installed inside the other ends of the first connecting sleeve and the second connecting sleeve, and a vacuum chamber is opened inside the inner walls of the first connecting sleeve and the second connecting sleeve.

[0007] Furthermore, installation grooves are symmetrically provided on both sides of one end of the first connecting sleeve, and one end of the movable plate is movably installed inside the installation groove via a torsion spring rotating shaft.

[0008] Furthermore, a slide groove is provided inside the movable plate, grooves are symmetrically provided inside the inner walls on both sides of the slide groove, and one end of the limit plate is slidably installed inside the slide groove through the groove.

[0009] Furthermore, protruding rods are symmetrically fixedly arranged on both sides of one end of the limiting plate, the protruding rods are limitedly slidably installed inside the groove, and the limiting plate is limitedly slidably installed inside the first connecting sleeve.

[0010] Furthermore, one end of the second connecting sleeve is provided with plug rods equidistantly and circularly, and a slot is provided inside one end of the first connecting sleeve at a position corresponding to the plug rod, and the plug rod is inserted and installed inside the slot.

[0011] Furthermore, bosses are fixedly provided at the middle positions of both sides of the rubber disc, and the bosses are respectively installed inside the first connecting sleeve and the second connecting sleeve.

[0012] Furthermore, a through hole is fixedly provided inside the rubber disc at a position corresponding to the insertion rod, the insertion rod is installed inside the through hole, and the rubber ring is sleeved on the shaft sleeve.

[0013] Furthermore, a key groove is provided on the inner wall of the shaft sleeve, and a sealing rubber ring is fixedly installed inside the inner wall of the other end of the first connecting sleeve and the second connecting sleeve, and the sealing rubber ring is sleeved on the outer wall of the shaft sleeve.

[0014] The beneficial effects of the utility model: the utility model is a gear coupling, which is achieved by installing one end of the second connecting sleeve inside the first connecting sleeve, and limiting the first connecting sleeve and the second connecting sleeve through an insert rod and a slot. Under the action of the torsion spring rotating shaft, the first connecting sleeve and the second connecting sleeve are conveniently limited through limiting mechanisms such as movable plates and limiting plates, thereby facilitating rapid installation and disassembly of the gear coupling and facilitating replacement of the gear coupling; sound insulation and noise reduction can be performed through the rubber disc, rubber ring and vacuum chamber to avoid affecting the surrounding environment, and at the same time the sealing of the gear coupling can be increased, and the practicality of the gear coupling is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of a gear coupling of the utility model;

[0016] Figure 2 This is a cross-sectional structural diagram of a gear coupling of the utility model;

[0017] Figure 3 This is a structural diagram of a limit mechanism of a gear coupling of the utility model;

[0018] Figure 4This is a rubber disc structure diagram of a gear coupling part of the utility model;

[0019] Figure 5 This is a structural diagram of an external gear ring and a shaft sleeve of a gear coupling diagram of the utility model;

[0020] In the figure: 1. first connecting sleeve; 2. second connecting sleeve; 3. limiting mechanism; 4. shaft sleeve; 5. keyway; 6. rubber disc; 7. movable plate; 8. limiting plate; 9. inner tooth ring; 10. outer tooth ring; 11. rubber ring; 12. vacuum chamber; 13. sealing rubber ring; 14. protruding rod; 15. slide groove; 16. groove. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] See also Figures 1 to 5 The utility model provides a technical solution: a gear coupling, including a first connecting sleeve 1, one end of the first connecting sleeve 1 is fixedly installed with a second connecting sleeve 2 through a limiting mechanism 3, the limiting mechanism 3 includes a movable plate 7 and a limiting plate 8, an inner tooth ring 9 is fixedly installed on the inner wall of the first connecting sleeve 1 and the second connecting sleeve 2, a shaft sleeve 4 is installed inside the first connecting sleeve 1 and the second connecting sleeve 2, one end of the shaft sleeve 4 is fixedly installed with an outer tooth ring 10, the inner tooth ring 9 and the outer tooth ring 10 on the same side are meshed with each other, a rubber disc 6 is fixedly installed between the first connecting sleeve 1 and the second connecting sleeve 2, a rubber ring 11 is fixedly arranged inside the other end of the first connecting sleeve 1 and the second connecting sleeve 2, and a vacuum chamber 12 is opened inside the inner wall of the first connecting sleeve 1 and the second connecting sleeve 2, by adjusting the limiting mechanism 3, it is convenient to disassemble the first connecting sleeve 1 and the second connecting sleeve 2, and it is convenient to replace the gear coupling, which is simple to operate and easy to use.

[0023] The movable plate 7 is driven by the groove 16 and the convex rod 14 is fixed on the inner wall of the movable plate 7, ...

[0024] In this embodiment, one end of the second connecting sleeve 2 is circular and equidistantly fixed with plug rods, a slot is opened inside one end of the first connecting sleeve 1 at the position corresponding to the plug rod, the plug rod is installed in the slot, bosses are fixed at the middle positions on both sides of the rubber disc 6, the bosses are respectively installed in the first connecting sleeve 1 and the second connecting sleeve 2, a through hole is fixedly provided inside the rubber disc 6 at the position corresponding to the plug rod, the plug rod is installed in the through hole, the rubber ring 11 is sleeved on the shaft sleeve 4, a key slot 5 is opened on the inner wall of the shaft sleeve 4, and the first A sealing rubber ring 13 is fixedly installed inside the inner wall of the other end of a connecting sleeve 1 and a second connecting sleeve 2. The sealing rubber ring 13 is sleeved on the outer wall of the shaft sleeve 4. The first connecting sleeve 1 and the second connecting sleeve 2 can be sealed by the set rubber disc 6. The shaft sleeve 4 and the first connecting sleeve 1 and the second connecting sleeve 2 can be sealed by the sealing rubber ring 13 and the rubber ring 11, thereby improving the sealing performance of the gear coupling. At the same time, the rubber ring 11, the rubber disc 6 and the vacuum chamber 12 can be used to soundproof and reduce noise of the gear coupling to avoid affecting the surrounding environment.

[0025] When the gear coupling is used, the sleeve 4 is fixedly installed on the power equipment shaft and the output equipment shaft respectively through the keyway 5, the first connecting sleeve 1 and the second connecting sleeve 2 are moved on the two sleeves 4, the first connecting sleeve 1 and the second connecting sleeve 2 are brought close to each other, and a rubber disc 6 is installed between the first connecting sleeve 1 and the second connecting sleeve 2, the rubber disc 6 is installed on the plug rod at one end of the second connecting sleeve 2, and at the same time, the movable plate 7 is rotated outward inside the installation groove, and the movable plate 7 drives the limit plate 8 to slide outward through the action of the convex rod 14 and the groove 16, and the first connecting sleeve 1 and the second connecting sleeve 2 continue to be brought close to each other, and the plug rod is inserted into the inside of the slot, so that the first connecting sleeve 1 and the second connecting sleeve 2 are limited to each other, the first connecting sleeve 1 and the second connecting sleeve 2 are squeezed hard, the movable plate 7 is loosened, the movable plate 7 rotates in the opposite direction under the torsion of the torsion spring shaft, and the limiting plate 8 is squeezed to one side of the second connecting sleeve 2, the second connecting sleeve 2 is limited and fixed by the limiting plate 8, so as to facilitate the rapid installation of the gear coupling, and the movable plate 7 is rotated outward to facilitate the rapid disassembly of the gear coupling and the replacement of the gear coupling; the rubber disc 6, the rubber ring 11 and the vacuum chamber 12 can be used to soundproof and reduce noise of the gear coupling to avoid affecting the surrounding environment, and at the same time, the sealing of the gear coupling can be increased, and the practicality of the gear coupling is high.

[0026] 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 gear coupling, comprising a first connecting sleeve (1), characterized in that: One end of the first connecting sleeve (1) is fixedly mounted with the second connecting sleeve (2) via a limiting mechanism (3); the limiting mechanism (3) comprises a movable plate (7) and a limiting plate (8); an inner toothed ring (9) is fixedly mounted on the inner walls of the first connecting sleeve (1) and the second connecting sleeve (2); a shaft sleeve (4) is installed inside the first connecting sleeve (1) and the second connecting sleeve (2); an outer toothed ring (10) is fixedly mounted on one end of the shaft sleeve (4); the inner toothed ring (9) and the outer toothed ring (10) on the same side are meshed with each other; a rubber disc (6) is fixedly mounted between the first connecting sleeve (1) and the second connecting sleeve (2); a rubber ring (11) is fixedly mounted inside the other ends of the first connecting sleeve (1) and the second connecting sleeve (2); and a vacuum cavity (12) is provided inside the inner walls of the first connecting sleeve (1) and the second connecting sleeve (2).

2. A gear coupling according to claim 1, characterized in that: Installation grooves are symmetrically provided on both sides of one end of the first connecting sleeve (1), and one end of the movable plate (7) is movably mounted inside the installation groove via a torsion spring rotating shaft.

3. A gear coupling according to claim 2, characterized in that: A slide groove (15) is provided inside the movable plate (7), grooves (16) are symmetrically provided inside the inner walls on both sides of the slide groove (15), and one end of the limit plate (8) is slidably mounted inside the slide groove (15) through the groove (16).

4. A gear coupling according to claim 3, characterized in that: Lugs (14) are symmetrically fixedly arranged on both sides of one end of the limit plate (8); the lugs (14) are slidably mounted inside the groove (16); and the limit plate (8) is slidably mounted inside the first connecting sleeve (1).

5. The gear coupling according to claim 1, characterized in that: One end of the second connecting sleeve (2) is provided with plug rods fixedly arranged in a circular shape and at equal intervals, and a slot is provided inside one end of the first connecting sleeve (1) at a position corresponding to the plug rod, and the plug rod is inserted and installed inside the slot.

6. A gear coupling according to claim 5, characterized in that: Bosses are fixedly provided at the middle positions of both sides of the rubber disc (6), and the bosses are respectively installed inside the first connecting sleeve (1) and the second connecting sleeve (2).

7. A gear coupling according to claim 6, characterized in that: A through hole is fixedly provided inside the rubber disc (6) at a position corresponding to the insertion rod, the insertion rod is installed inside the through hole, and the rubber ring (11) is sleeved on the shaft sleeve (4).

8. A gear coupling according to claim 7, characterized in that: A keyway (5) is provided on the inner wall of the shaft sleeve (4), and a sealing rubber ring (13) is fixedly installed inside the inner wall of the other end of the first connecting sleeve (1) and the second connecting sleeve (2), and the sealing rubber ring (13) is sleeved on the outer wall of the shaft sleeve (4).

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