Worm coupling

Abstract

The utility model discloses a worm coupling which comprises a right coupling cover, a left coupling cover is arranged on the left side of the right coupling cover, a plurality of positioning holes are formed in the left side face of the right coupling cover, and a plurality of positioning blocks are fixedly connected to the right side face of the right coupling cover. The inner ring of the right coupling cover and the inner ring of the left coupling cover are both fixedly connected with connecting sleeves, a driving shaft and a worm part are arranged in the two connecting sleeves correspondingly, a plurality of threaded holes are formed in the right side face of the right coupling cover, and a plurality of first threaded grooves are formed in the right side face of the left coupling cover. The inner walls of the two threaded holes are in threaded connection with first screws, the outer surfaces of the first screws are matched with the inner wall of the first threaded groove, and the right end of each positioning block extends into the corresponding positioning hole. According to the utility model, the effect of quick connection and disassembly is achieved, the efficiency of connection and installation between the worm and the coupler is improved, and stable transmission of power is ensured.

Description

Technical Field

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

[0002] A worm coupling is a device used to connect two shafts or a shaft and a rotating part, which can rotate together during the transmission of motion and power. It is usually used to connect worms and other shaft components and plays an important role in mechanical transmission systems.

[0003] At present, the connection between the worm and the motor drive shaft is mainly through a coupling, which can realize the power transmission between the motor-driven worm. However, the current connection between the worm and the coupling is cumbersome to operate, and the effect of quick connection and disassembly cannot be achieved, which reduces the connection and installation efficiency between the worm and the coupling. Therefore, we propose a worm coupling to solve the above problems. Utility Model Content

[0004] The purpose of the present utility model is to provide a worm coupling to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A worm coupling comprises a right coupling cover, a left coupling cover is provided on the left side of the right coupling cover, a plurality of positioning holes are opened on the left side surface of the right coupling cover, a plurality of positioning blocks are fixedly connected to the right side surface of the right coupling cover, the inner ring of the right coupling cover and the inner ring of the left coupling cover are fixedly connected with a connecting sleeve, a drive shaft and a worm member are respectively provided inside the two connecting sleeves, a plurality of threaded holes are opened on the right side surface of the right coupling cover, a plurality of first threaded grooves are opened on the right side surface of the left coupling cover, the inner walls of the two threaded holes are threadedly connected with a first screw, and the outer surface of the first screw is adapted to the inner wall of the first threaded groove.

[0007] In a further embodiment, the right end of each positioning block extends to the inside of each positioning hole, and the outer surface of each positioning block contacts the inner wall of each positioning hole.

[0008] In a further embodiment, the inner rings of the two connecting sleeves are provided with guide grooves, and the outer surfaces of the drive shaft and the worm member are fixedly connected with guide blocks.

[0009] In a further embodiment, the ends of the two guide blocks that are close to each other extend into the interior of the two guide grooves respectively, and the outer surfaces of the two guide blocks are in contact with the inner walls of the two guide grooves respectively.

[0010] In a further embodiment, the outer surface of the drive shaft and the outer surface of the worm member are both fixedly connected with connecting members, and the inner rings of the two connecting members are both threadedly connected with a second screw.

[0011] In a further embodiment, the outer surfaces of the two connecting sleeves are each provided with a second thread groove, and the outer surfaces of the two second screws are respectively matched with the inner walls of the two second thread grooves.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model can respectively drive the surfaces of the worm gear and the drive shaft to be sleeved by the arrangement of the right coupling cover and the left coupling cover, and at the same time, by utilizing the arrangement of the guide groove and the guide block, the guide block can be made to slide inside the guide groove, thereby playing a role of guiding and positioning the drive shaft, the worm gear and the right coupling cover and the left coupling cover when they are connected, so as to facilitate locking and fixing them. By cooperating with the first screw, the first threaded groove and the threaded hole, the right coupling cover and the left coupling cover can be quickly connected and installed, and the right coupling cover can be connected and fixed to the worm gear, so that the coupling can achieve the effect of quick connection and disassembly, thereby improving the connection and installation efficiency between the worm gear and the coupling. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural diagram of the front view of the worm coupling.

[0015] Figure 2 This is a cross-sectional view of the front view of the worm coupling.

[0016] Figure 3 It is a schematic diagram of the three-dimensional structure of the side view of the right coupling cover in the worm coupling.

[0017] Figure 4 Worm coupling Figure 2 Schematic diagram of the structure with a partial enlargement at point A in the middle.

[0018] In the figure: 1. Right coupling cover; 2. Left coupling cover; 3. Positioning hole; 4. Positioning block; 5. Connecting sleeve; 6. Worm member; 7. Drive shaft; 8. Guide groove; 9. Guide block; 10. Connecting member; 11. Second screw; 12. Second thread groove; 13. Threaded hole; 14. First thread groove; 15. First screw. DETAILED DESCRIPTION

[0019] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0020] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0021] 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.

[0022] See also Figure 1-4In the present invention, a worm coupling comprises a right coupling cover 1, a left coupling cover 2 is provided on the left side of the right coupling cover 1, a plurality of positioning holes 3 are opened on the left side of the right coupling cover 1, a plurality of positioning blocks 4 are fixedly connected to the right side of the right coupling cover 1, the inner ring of the right coupling cover 1 and the inner ring of the left coupling cover 2 are fixedly connected with a connecting sleeve 5, a drive shaft 7 and a worm member 6 are respectively provided inside the two connecting sleeves 5, a plurality of threaded holes 13 are opened on the right side of the right coupling cover 1, and a plurality of threaded holes 13 are opened on the right side of the left coupling cover 2. A plurality of first thread grooves 14 are provided on the surface, and the inner walls of the two threaded holes 13 are threadedly connected with first screws 15, and the outer surface of the first screw 15 is adapted to the inner wall of the first thread groove 14. Through the cooperation of the positioning hole 3 and the positioning block 4, the right coupling cover 1 and the left coupling cover 2 can be positioned, which is convenient for their connection and installation. Through the cooperation of the first screw 15, the first thread groove 14 and the threaded hole 13, the right coupling cover 1 and the left coupling cover 2 can be quickly connected and installed, which can make the connection more firm.

[0023] In a further embodiment, the right end of each positioning block 4 extends to the interior of each positioning hole 3, and the outer surface of each positioning block 4 contacts the inner wall of each positioning hole 3. The inner rings of the two connecting sleeves 5 are provided with guide grooves 8. The outer surface of the drive shaft 7 and the outer surface of the worm gear 6 are fixedly connected with guide blocks 9. The ends of the two guide blocks 9 close to each other extend to the interior of the two guide grooves 8, and the outer surfaces of the two guide blocks 9 contact the inner walls of the two guide grooves 8. Through the setting of the guide grooves 8 and the guide blocks 9, the guide blocks 9 can slide inside the guide grooves 8, which plays a role in guiding and positioning the drive shaft 7, the worm gear 6 and the right coupling cover 1 and the left coupling cover 2, which will better connect and install.

[0024] The outer surface of the drive shaft 7 and the outer surface of the worm gear 6 are fixedly connected with a connecting piece 10, and the inner rings of the two connecting pieces 10 are threadedly connected with a second screw 11. The outer surfaces of the two connecting sleeves 5 are provided with a second thread groove 12, and the outer surfaces of the two second screws 11 are respectively adapted to the inner walls of the two second thread grooves 12. Through the setting of the connecting piece 10 and the second screw 11, and the cooperation with the second thread groove 12, the connection between the connecting sleeve 5 and the drive shaft 7 and the worm gear 6 can be deepened, which will make the power transmission between the drive shaft 7 and the worm gear 6 through the coupling more stable, thereby ensuring the smooth transmission of power.

[0025] The working principle of the present invention is: first, take the right coupling cover 1 and the left coupling cover 2, and respectively sleeve them on the surfaces of the worm member 6 and the drive shaft 7. During the sleeve installation of the right coupling cover 1 and the left coupling cover 2, it is necessary to align the guide groove 8 with the guide block 9, so that the guide block 9 can slide inside the guide groove 8, which will guide the drive shaft 7, the worm member 6 when connected to the right coupling cover 1 and the left coupling cover 2. Then take the first screw 15 and rotate it inside the threaded hole 13 until it rotates inside the first threaded groove 14, which will quickly connect and install the right coupling cover 1 and the left coupling cover 2, and complete the connection between the right coupling cover 1 and the worm member 6 at the same time.

[0026] It will be apparent 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 characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0027] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method 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 can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A worm coupling, characterized in that: The invention comprises a right coupling cover (1), wherein a left coupling cover (2) is provided on the left side of the right coupling cover (1), a plurality of positioning holes (3) are provided on the left side of the right coupling cover (1), a plurality of positioning blocks (4) are fixedly connected to the right side of the right coupling cover (1), the inner ring of the right coupling cover (1) and the inner ring of the left coupling cover (2) are fixedly connected to a connecting sleeve (5), a driving shaft (7) and a worm member (6) are respectively provided inside the two connecting sleeves (5), a plurality of threaded holes (13) are provided on the right side of the right coupling cover (1), a plurality of first threaded grooves (14) are provided on the right side of the left coupling cover (2), the inner walls of the two threaded holes (13) are threadedly connected to the first screws (15), and the outer surface of the first screws (15) is adapted to the inner wall of the first threaded groove (14).

2. A worm coupling according to claim 1, characterized in that: The right end of each positioning block (4) extends to the inside of each positioning hole (3), and the outer surface of each positioning block (4) contacts the inner wall of each positioning hole (3).

3. The worm coupling according to claim 1, characterized in that: The inner rings of the two connecting sleeves (5) are both provided with guide grooves (8), and the outer surfaces of the drive shaft (7) and the worm member (6) are both fixedly connected with guide blocks (9).

4. The worm coupling according to claim 3, characterized in that: The ends of the two guide blocks (9) that are close to each other extend into the interior of the two guide grooves (8), and the outer surfaces of the two guide blocks (9) are in contact with the inner walls of the two guide grooves (8).

5. The worm coupling according to claim 1, characterized in that: The outer surface of the drive shaft (7) and the outer surface of the worm member (6) are both fixedly connected with a connecting member (10), and the inner rings of the two connecting members (10) are both threadedly connected with a second screw (11).

6. The worm coupling according to claim 5, characterized in that: The outer surfaces of the two connecting sleeves (5) are each provided with a second thread groove (12), and the outer surfaces of the two second screws (11) are respectively adapted to the inner walls of the two second thread grooves (12).

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