CN214092768U - Safety coupling - Google Patents

Abstract

The utility model discloses a safety coupling, including lower ring cover and the cover of fitting with a contraceptive ring, the top intermediate position fixedly connected with second shaft coupling of lower ring cover, and the first shaft coupling of top intermediate position fixedly connected with of the cover of fitting with a contraceptive ring, the outer wall top both sides of first shaft coupling and the equal fixedly connected with second U template in outer wall bottom both sides of second shaft coupling, and be provided with the connecting rod between the both sides inner wall of second U template, the equal fixedly connected with connecting seat in one side of connecting rod, and be provided with fixture between the relative one side of two connecting seats. The utility model discloses preliminarily fix upper ring cover and lower ring cover, peg graft the pin in the inside in spacing hole, fully keep the fixed performance between shaft coupling upper ring cover and the lower ring cover, adjust the position of second threaded rod in the second threaded hole, be convenient for take out with the driven shaft to the initiative and fix the processing, avoid appearing the problem that adapting unit drops, improve the security performance.

Description

Safety coupling

Technical Field

The utility model relates to a shaft coupling technical field especially relates to a safety coupling.

Background

The shaft coupling is also called a shaft coupling, is a mechanical part used for firmly connecting a driving shaft and a driven shaft in different mechanisms to rotate together and transmitting motion and torque, is sometimes used for connecting a shaft and other parts, is usually formed by two halves which are respectively connected by keys or tight fit and fastened at two shaft ends and then connected in a certain mode. The coupling can compensate the offset between two shafts due to inaccurate manufacture and installation, deformation or thermal expansion in operation, and the like, and can alleviate impact and absorb vibration.

At present, when the existing coupler is connected with a driving shaft and a driven shaft, the fixing performance of the coupler to the driving shaft and the driven shaft cannot be effectively maintained, the problem that a connecting part falls off can occur, and the safety performance is low, so that a safety coupler needs to be designed to solve the problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a safety coupling.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a safety coupling, includes lower ring cover and the cover of fitting with a contraceptive ring, the top intermediate position fixedly connected with second shaft coupling of lower ring cover, and the first shaft coupling of top intermediate position fixedly connected with of the cover of fitting with a contraceptive ring, the equal fixedly connected with second U template in outer wall top both sides of first shaft coupling and the outer wall bottom both sides of second shaft coupling, and be provided with the connecting rod between the both sides inner wall of second U template, the equal fixedly connected with connecting seat in one side of connecting rod, and be provided with fixture between the relative one side of two connecting seats.

Preferably, fixture includes the centre gripping hoop, and the quantity of centre gripping hoop is two, and the centre gripping hoop all sets up to the semi-ring cylindricality, and the equal fixedly connected with fixing base in one side outer wall both ends of centre gripping hoop, the intermediate position of fixing base all opens the second screw hole, and the inner wall of second screw hole is provided with the second threaded rod.

Preferably, both sides of the inner wall of the first coupling and both sides of the inner wall of the second coupling are provided with limiting grooves.

Preferably, the bottom of the lower ring sleeve and the top of the upper ring sleeve are both provided with first threaded holes distributed at equal intervals, and the inner wall of each first threaded hole is provided with a first threaded rod.

Preferably, the first U-shaped plates are fixedly connected to two sides of the top of the outer wall of the second coupling joint, limiting frames are arranged between the inner walls of the two sides of each first U-shaped plate, the end faces of the limiting frames are L-shaped, and the tops of the limiting frames are clamped to the top of the upper ring sleeve.

Preferably, both sides of the top of the upper ring sleeve and both sides of the top of the limiting frame are provided with limiting holes, and pins are inserted into the limiting holes.

Preferably, the inner walls of the clamping hoops are fixedly connected with anti-slip strips distributed at equal intervals.

The utility model has the advantages that:

1. through the lower ring cover that sets up, go up the ring cover, first shaft coupling, the second shaft coupling, the spacing groove, first screw hole, first threaded rod, first U template, spacing hole and pin, adjust the position of first screw hole, make first screw hole on the ring cover down corresponding with the first screw hole of last ring cover, adjust the position of first threaded rod in first threaded hole, go on tentatively fixing upper ring cover and lower ring cover, adjust turning to of spacing again, make spacing joint at the top of upper ring cover, and peg graft the inside in spacing hole with the pin, fully keep the fixed performance between shaft coupling upper ring cover and the lower ring cover.

2. Through the first shaft coupling that sets up, the second shaft coupling, the second U template, the connecting rod, fixture, the centre gripping hoop, a fixed base, second screw hole and second threaded rod, peg graft in first shaft coupling and when the driven shaft is pegged graft in the second shaft coupling when the driving shaft, adjust turning to of connecting rod, with the centre gripping hoop joint in the initiative take out with the outer wall both sides of driven shaft, adjust the position of second threaded rod in the second threaded hole, be convenient for take out with the driven shaft to the initiative and carry out fixed processing, avoid appearing the problem that adapting unit drops, the security performance is improved.

3. Through the centre gripping hoop and the antislip strip that set up, the vertical setting of antislip strip can improve antiskid and centre gripping performance when utilizing centre gripping hoop to take out initiatively and carry out the centre gripping with the driven shaft, fully improves fixed effect.

Drawings

Fig. 1 is a schematic view of the overall structure of a safety coupling proposed in embodiment 1;

fig. 2 is a schematic structural view of a spacing frame and a pin of the safety coupling in embodiment 1;

fig. 3 is a schematic structural view of a cleat of a safety coupling according to embodiment 2.

In the figure: the anti-skid device comprises a lower ring sleeve 1, an upper ring sleeve 2, a first coupling 3, a limiting groove 4, a first threaded rod 5, a first threaded hole 6, a limiting frame 7, a first U-shaped plate 8, a second U-shaped plate 9, a connecting rod 10, a clamping hoop 11, a fixing seat 12, a second coupling 13, a pin 14 and an anti-skid strip 15.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a safety coupling comprises a lower ring sleeve 1 and an upper ring sleeve 2, a second shaft coupling 13 is welded at the middle position of the top of the lower ring sleeve 1, a first shaft coupling 3 is welded at the middle position of the top of the upper ring sleeve 2, second U-shaped plates 9 are welded on two sides of the top of the outer wall of the first shaft coupling 3 and two sides of the bottom of the outer wall of the second shaft coupling 13, connecting rods 10 are rotatably connected between inner walls of two sides of each second U-shaped plate 9 through pin shafts, connecting seats are welded on one side of each connecting rod 10, and clamping mechanisms are arranged between opposite sides of the two connecting seats.

Wherein, fixture includes that centre gripping hoop 11, and the quantity of centre gripping hoop 11 is two, and centre gripping hoop 11 all sets up to the semi-ring cylindricality, and fixing base 12 has all been welded at one side outer wall both ends of centre gripping hoop 11, and the second screw hole has all been opened to the intermediate position of fixing base 12, and the inner wall threaded connection of second screw hole has the second threaded rod.

Wherein, both sides of the inner wall of the first coupling 3 and both sides of the inner wall of the second coupling 13 are provided with limiting grooves 4.

Wherein, the bottom of lower ring cover 1 and the top of going up ring cover 2 all open the first screw hole 6 that the equidistance distributes, and the inner wall threaded connection of first screw hole 6 has first threaded rod 5.

Wherein, first U template 8 has all been welded to the outer wall top both sides of second coupling 13, and is connected with spacing 7 through round pin hub rotation between the both sides inner wall of first U template 8, and the L type is personally submitted to the tip of spacing 7, and the top joint of spacing 7 is at the top of upper ring cover 2.

Wherein, both sides of the top of the upper ring sleeve 2 and both sides of the top of the limiting frame 7 are provided with limiting holes, and pins 14 are inserted in the limiting holes.

The working principle is as follows: when the device is used, a user adjusts the position of the first threaded hole 6, so that the first threaded hole 6 on the lower ring sleeve 1 corresponds to the first threaded hole 6 of the upper ring sleeve 2, adjusts the position of the first threaded rod 5 in the first threaded hole 6, preliminarily fixes the upper ring sleeve 2 and the lower ring sleeve 1, adjusts the steering direction of the limiting frame 7, so that the limiting frame 7 is clamped at the top of the upper ring sleeve 2, inserts the pin 14 into the limiting hole, fully maintains the fixing performance between the upper ring sleeve 2 and the lower ring sleeve 1 of the coupler, adjusts the steering direction of the connecting rod 10 when the driving shaft is inserted into the first coupler 3 and the driven shaft is inserted into the second coupler 13, clamps the clamping hoops 11 on two sides of the outer wall of the driving shaft and the driven shaft, adjusts the position of the second threaded rod in the second threaded hole, is convenient for fixing the driving shaft and the driven shaft, and avoids the problem that connecting parts fall off, the safety performance is improved.

Example 2

Referring to fig. 3, in this embodiment, compared with embodiment 1, the inner walls of the clamping hoops 11 are welded with the anti-slip strips 15 distributed at equal intervals.

The working principle is as follows: during the use, the user can improve antislip strip 15 and improve antiskid and clamping performance when utilizing centre gripping hoop 11 to take out initiatively and carry out the centre gripping with the driven shaft, fully improves fixed effect.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a safety coupling, includes lower ring cover (1) and goes up ring cover (2), its characterized in that, the top intermediate position fixedly connected with second shaft coupling (13) of lower ring cover (1), and the first shaft coupling (3) of top intermediate position fixedly connected with of last ring cover (2), the equal fixedly connected with second U template (9) in outer wall top both sides of first shaft coupling (3) and the outer wall bottom both sides of second shaft coupling (13), and be provided with connecting rod (10) between the both sides inner wall of second U template (9), the equal fixedly connected with connecting seat in one side of connecting rod (10), and be provided with fixture between the relative one side of two connecting seats.

2. The safety coupling according to claim 1, characterized in that the clamping mechanism comprises two clamping hoops (11), the clamping hoops (11) are arranged in a semi-cylindrical shape, the two ends of the outer wall of one side of each clamping hoop (11) are fixedly connected with fixing seats (12), the middle positions of the fixing seats (12) are provided with second threaded holes, and the inner walls of the second threaded holes are provided with second threaded rods.

3. A safety coupling according to claim 2, characterized in that both sides of the inner wall of the first coupling (3) and both sides of the inner wall of the second coupling (13) are provided with a limiting groove (4).

4. A safety coupling according to claim 3, characterized in that the bottom of the lower collar (1) and the top of the upper collar (2) are provided with first threaded holes (6) distributed equidistantly and the inner wall of the first threaded holes (6) is provided with first threaded rods (5).

5. A safety coupling according to any one of claims 1 to 4, characterized in that both sides of the top of the outer wall of the second coupling (13) are fixedly connected with a first U-shaped plate (8), a limiting frame (7) is arranged between the inner walls of both sides of the first U-shaped plate (8), the end surface of the limiting frame (7) is L-shaped, and the top of the limiting frame (7) is clamped on the top of the upper ring sleeve (2).

6. A safety coupling according to claim 5, characterized in that both sides of the top of the upper collar (2) and both sides of the top of the limiting frame (7) are provided with limiting holes, and pins (14) are inserted into the limiting holes.

7. A safety coupling according to claim 2, characterized in that the inner walls of the clamping hoops (11) are fixedly connected with equally spaced cleats (15).

Images