CN217713395U

CN217713395U - Pin elastic coupling

Info

Publication number: CN217713395U
Application number: CN202220350776.6U
Authority: CN
Inventors: 李戍生
Original assignee: LIYANG WEILIAN TRANSMISSION MACHINERY CO Ltd
Current assignee: LIYANG WEILIAN TRANSMISSION MACHINERY CO Ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-11-01
Anticipated expiration: 2032-02-21

Abstract

The utility model relates to the technical field of couplings, in particular to a pin elastic coupling, which comprises a first coupling disc, a first fixed disc, a second coupling disc, a second fixed disc and a retainer ring; the first coupling disc is provided with a central hole, the central hole is provided with a connecting key groove, the first fixing disc is fixed at the end part of the first coupling disc, the second fixing disc is fixed at the end part of the second coupling disc, and a plurality of elastic pins are arranged on the circumferential outer side wall of the second fixing disc close to the first fixing disc in an annular array manner; the first fixed disk is provided with a check ring, and the check ring is fixed on the first fixed disk through a positioning piece; the positioning piece comprises an integrated bolt head, a retaining part and a threaded part. The pin elastic coupling has wide application range, is particularly suitable for the use of medium and high speed and high power coupling structures, and has the advantages of simple installation and maintenance, simple structure, long service life and stable connection of all components, so that the coupling has stronger integral stability and is safe and reliable to use.

Description

Pin elastic coupling

Technical Field

The utility model relates to a shaft coupling technical field specifically is a pin elastic coupling.

Background

The elastic pin coupler is widely applied in the industrial field, the easily damaged elastic pin is made of a nylon rod, and the coupler fails when the nylon pin is completely sheared. The elastic pin coupling mainly comprises two halves, a plurality of nylon pins are embedded between the two halves, and the ends of the nylon pins are covered by annular check rings.

The most structure complicacies of current pin elastic coupling, and the operation is very loaded down with trivial details, and when in actual use, its annular retaining ring adopts the mode of fix with screw to fix mostly moreover, lacks special stopping locking structure that moves, leads to the retaining ring to appear very easily not hard up the condition when using, influences the life of shaft coupling.

Disclosure of Invention

An object of the utility model is to provide a pin elastic coupling to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pin elastic coupling comprises a first coupling disc, a first fixed disc, a second coupling disc, a second fixed disc and a retainer ring; the first coupling disc is provided with a central hole, the central hole is provided with a connecting key groove, the first fixing disc is fixed at the end part of the first coupling disc, the second fixing disc is fixed at the end part of the second coupling disc, a plurality of elastic pins are arranged on the second fixing disc close to the outer circumferential side wall of the first fixing disc in an annular array manner, and pin connecting holes for connecting the elastic pins are formed in the first fixing disc at positions corresponding to the elastic pins; the first fixing disc is provided with a check ring, the check ring covers the pin connecting hole, the check ring is fixed on the first fixing disc through a positioning piece, and the positioning piece and the pin connecting hole are arranged in a staggered mode; the setting element includes the bolt head, stopping portion, the screw thread portion of integral type, and the bolt head is fixed on the top of stopping portion, and screw thread portion sets up in the bottom of stopping portion, and the cover is equipped with the stopping cover on the stopping portion.

Preferably, threaded holes matched with the threaded part structures are formed in the retainer ring and the first fixed disk, and the threaded parts are installed in the threaded holes in a threaded mode.

Preferably, the stopping portion is clamped at the top end of a threaded hole of the retainer ring, and the stopping cover is fixed on the retainer ring through an auxiliary screw.

Preferably, the cross section of the retaining part is in a round table-shaped structure with a narrow top and a wide bottom, and the diameter of the lower surface of the retaining part is larger than the aperture of the threaded hole.

Preferably, the retaining cover is of a hollow structure, and the inner side wall of the retaining cover is structurally matched with the outer side wall of the retaining part.

Preferably, the bottom fixedly connected with supplementary solid fixed ring of stopping cover, a plurality of supplementary fixed orificess have been seted up to the annular array on the supplementary solid fixed ring, and the inside threaded connection of supplementary fixed orificess has supplementary screw.

Preferably, a sawtooth groove is formed in the circumferential outer side wall of the retaining portion.

Preferably, be provided with on the circumference inner wall of stopping cover and be used for with the spacing sawtooth of sawtooth groove cooperation use, spacing sawtooth joint is in the sawtooth groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a pair of pin elastic coupling, this pin elastic coupling application range is wide, and the use of high-speed high-power coupling structure in the specially adapted installs moreover, maintains portably, and shaft coupling simple structure, long service life, each subassembly is connected stably for shaft coupling overall stability is stronger, uses safe and reliable.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the detailed structure of the present invention;

fig. 3 is a schematic view of a specific structure of the positioning member of the present invention;

fig. 4 is a schematic view of a local specific structure of the positioning member of the present invention.

In the figure: 1. a first coupling disc; 2. a first fixed disk; 3. a second coupling disc; 4. a second fixed disk; 5. a retainer ring; 6. a central bore; 7. connecting the key groove; 8. an elastic pin; 9. a pin connection hole; 10. a bolt head; 11. a backstop portion; 12. a threaded portion; 13. a backstop cover; 14. a threaded hole; 15. an auxiliary screw; 16. an auxiliary fixing ring; 17. an auxiliary fixing hole; 18. a limiting saw tooth; 19. a sawtooth groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-4, the present invention provides a technical solution: a pin elastic coupling comprises a first coupling disc 1, a first fixed disc 2, a second coupling disc 3, a second fixed disc 4 and a retainer ring 5; the first coupling disc 1 is provided with a central hole 6, the central hole 6 is provided with a connecting key groove 7, the first fixing disc 2 is fixed at the end part of the first coupling disc 1, the second fixing disc 4 is fixed at the end part of the second coupling disc 3, the second fixing disc 4 is provided with a plurality of elastic pins 8 in an annular array manner on the outer circumferential side wall close to the first fixing disc 2, and pin connecting holes 9 for connecting the elastic pins 8 are formed in the positions, corresponding to the elastic pins 8, of the first fixing disc 2; a retainer ring 5 is arranged on the first fixing disk 2, the retainer ring 5 covers the pin connecting hole 9, the retainer ring 5 is fixed on the first fixing disk 2 through a positioning piece, and the positioning piece and the pin connecting hole 9 are arranged in a staggered manner; the locating piece includes the bolt head 10, stopping portion 11, the screw thread portion 12 of integral type, and bolt head 10 is fixed on the top of stopping portion 11, and screw thread portion 12 sets up in the bottom of stopping portion 11, and the cover is equipped with stopping cover 13 on the stopping portion 11.

Furthermore, threaded holes 14 matched with the threaded portions 12 in structure are formed in the retainer ring 5 and the first fixed disk 2, and the threaded portions 12 are installed in the threaded holes 14 in a threaded mode.

Furthermore, the stopping portion 11 is clamped at the top end of a threaded hole 14 of the retainer ring 5, and the stopping cover 13 is fixed on the retainer ring 5 through an auxiliary screw 15.

Furthermore, the section of the retaining part 11 is a truncated cone-shaped structure with a narrow top and a wide bottom, and the diameter of the lower surface of the retaining part 11 is larger than the aperture of the threaded hole 14.

Further, the retaining cover 13 is a hollow structure, and the inner side wall of the retaining cover 13 is structurally matched with the outer side wall of the retaining part 11.

Further, the bottom end of the retaining cover 13 is fixedly connected with an auxiliary fixing ring 16, a plurality of auxiliary fixing holes 17 are formed in the auxiliary fixing ring 16 in an annular array, and the auxiliary fixing holes 17 are connected with auxiliary screws 15 through internal threads.

Furthermore, a sawtooth groove 19 is formed on the circumferential outer side wall of the retaining portion 11.

Furthermore, be provided with on the circumference inner wall of backstop cover 13 and be used for with sawtooth groove 19 cooperation use spacing sawtooth 18, spacing sawtooth 18 joint is in sawtooth groove 19.

The working principle is as follows: when installing and using retaining ring 5, operating personnel places retaining ring 5 in suitable position earlier, then pass through bolt head 10 with the instrument and install screw portion 12 screw thread in threaded hole 14 on retaining ring 5 and first fixed disk 2, make stopping portion 11 joint on the screw hole 14 on retaining ring 5 top, fix stopping cover 13 on retaining ring 5 through auxiliary screw 15 afterwards, with this realization to the fixed purpose of retaining ring 5, when this shaft coupling actually uses, stopping cover 13 passes through auxiliary screw 15 to be fixed on retaining ring 5, make stopping cover 13 self stability stronger, and because stopping cover 13 passes through spacing sawtooth 18 joint in the sawtooth groove 19 on stopping portion 11, make screw portion 12 difficult not hard up, upwards withdraw from, keep the stability of retaining ring 5 installation, and then the holistic life and the joint strength of extension shaft coupling.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pin spring coupling, characterized by: comprises a first coupling disc (1), a first fixed disc (2), a second coupling disc (3), a second fixed disc (4) and a retainer ring (5); the connecting structure is characterized in that a central hole (6) is formed in the first coupling disc (1), a connecting key groove (7) is formed in the central hole (6), the first fixing disc (2) is fixed to the end portion of the first coupling disc (1), the second fixing disc (4) is fixed to the end portion of the second coupling disc (3), a plurality of elastic pins (8) are arranged on the circumferential outer side wall, close to the first fixing disc (2), of the second fixing disc (4) in an annular array mode, and pin connecting holes (9) used for connecting the elastic pins (8) are formed in the positions, corresponding to the elastic pins (8), of the first fixing disc (2); the first fixing disc (2) is provided with a check ring (5), the check ring (5) covers the pin connecting hole (9), the check ring (5) is fixed on the first fixing disc (2) through a positioning piece, and the positioning piece and the pin connecting hole (9) are arranged in a staggered mode; the locating piece includes bolt head (10), stopping portion (11), screw thread portion (12) of integral type, and bolt head (10) are fixed on the top of stopping portion (11), and screw thread portion (12) set up in the bottom of stopping portion (11), and the cover is equipped with stopping cover (13) on stopping portion (11).

2. A pin elastic coupling according to claim 1, characterized in that: and the retainer ring (5) and the first fixed disk (2) are provided with threaded holes (14) matched with the threaded portions (12) in structure, and the threaded portions (12) are installed in the threaded holes (14) in a threaded mode.

3. A pin elastic coupling according to claim 1, characterized in that: stopping portion (11) joint is on the top of screw hole (14) of retaining ring (5), and stopping cover (13) are fixed on retaining ring (5) through auxiliary screw (15).

4. A pin elastic coupling according to claim 1, characterized in that: the cross section of the retaining part (11) is of a round table-shaped structure with a narrow top and a wide bottom, and the diameter of the lower surface of the retaining part (11) is larger than the aperture of the threaded hole (14).

5. A pin elastic coupling according to claim 1, characterized in that: the retaining cover (13) is of a hollow structure, and the inner side wall of the retaining cover (13) is matched with the outer side wall structure of the retaining part (11).

6. A pin elastic coupling according to claim 1, characterized in that: the bottom end fixedly connected with of stopping cover (13) supplementary solid fixed ring (16), a plurality of supplementary fixed orificess (17) have been seted up to annular array on supplementary solid fixed ring (16), and the inside threaded connection of supplementary fixed orifices (17) has supplementary screw (15).

7. A pin elastic coupling according to claim 1, characterized in that: the outer side wall of the circumference of the retaining part (11) is provided with a sawtooth groove (19).

8. A pin elastic coupling according to claim 1, characterized in that: the circumference inner wall of stopping cover (13) is provided with spacing sawtooth (18) that are used for using with sawtooth groove (19) cooperation, and spacing sawtooth (18) joint is in sawtooth groove (19).