CN219549419U

CN219549419U - Plum blossom coupling

Info

Publication number: CN219549419U
Application number: CN202320675753.7U
Authority: CN
Inventors: 张佳俊
Original assignee: Wuxi Zhongxinrui Technology Co ltd
Current assignee: Wuxi Zhongxinrui Technology Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-08-18
Anticipated expiration: 2033-03-30

Abstract

The utility model relates to the technical field of coupling equipment, and provides a plum blossom coupling which comprises two coupling end parts and plum blossom pads, wherein the plum blossom pads are arranged between the two coupling end parts, and even number of tooth grooves are formed in the circumferential direction of the two coupling end parts. The utility model overcomes the defects of the prior art, has reasonable design and compact structure, and the tooth claws at the ends of the two couplings can slide in the tooth grooves, so that the connection distance between the ends of the two couplings can be changed, the connection between two shafts with different distances is convenient, the compensation capability of the couplings to the two shafts is improved, and the practicability is increased. When the coupler rotates, the tooth claw can be subjected to larger extrusion force, the decompression grooves are formed in the two sides of the tooth claw at intervals, so that the tooth claw is in a spring-like state, the extrusion deformation capacity of the tooth claw is effectively improved, the rubber strip is inserted into the decompression grooves, a buffering force can be provided, the damping and buffering capacity of the coupler is further improved, and the service life of the coupler is effectively prolonged.

Description

Plum blossom coupling

Technical Field

The utility model relates to the technical field of coupling equipment, in particular to a plum blossom coupling.

Background

The coupling means a device for connecting two shafts or the shafts and a rotary member to rotate together in the process of transmitting motion and power, and is not disconnected under normal conditions, and the coupling can be used for compensating offset (including axial offset, radial offset, angular offset or comprehensive offset) between the two shafts due to inaccurate manufacturing and installation, deformation or thermal expansion during working and the like, and relieving impact and absorbing vibration.

The plum blossom shaft coupling is also called a claw coupling, is commonly used for connecting a servo motor, a stepping motor and a ball screw, has limited compensation capability on two shafts by the existing plum blossom shaft coupling component, and can not play a role of connecting the shafts when the distance between the two shafts is too large, and at the moment, a connecting piece of the two shafts can be required to be moved, so that the operation is complex.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the plum blossom coupler, which overcomes the defects of the prior art, has reasonable design and compact structure, and solves the problem that the compensating capacity of the existing plum blossom coupler part on two shafts is limited.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the plum blossom coupler comprises two coupler ends and plum blossom pads, wherein the plum blossom pads are arranged between the two coupler ends, an even number of tooth grooves are circumferentially formed in the two coupler ends, and tooth claws are slidingly connected in the circumferentially formed tooth grooves at intervals;

the plum blossom pad circumference is equipped with the claw pad, adjacent cross section between the claw pad and the cross section looks adaptation of tooth claw.

Further, first extending grooves are formed in the opposite sides of the inner walls of the tooth grooves, and rubber pads are attached to the inner walls of the opposite sides.

Furthermore, decompression grooves are alternately formed in two sides of the tooth claw, and extension parts corresponding to the first extension grooves are arranged on two sides of the tooth claw.

Further, the height of the inner wall of the decompression groove is larger than the thickness of the rubber strip.

Further, second extending grooves are formed in two sides of the jaw pads, rubber strips are uniformly arranged on two sides of the jaw pads in a staggered mode, and the second extending grooves between the adjacent jaw pads are matched with extending parts on two sides of the tooth jaws.

Further, screw thread fixing holes are circumferentially formed in the outer walls of the end parts of the two couplings.

(III) beneficial effects

The embodiment of the utility model provides a plum blossom coupling. The beneficial effects are as follows:

1. the tooth claws at the ends of the two couplings can slide in the tooth grooves, so that the connection distance between the ends of the two couplings can be changed, connection between two shafts at different distances is facilitated, the compensation capability of the couplings to the two shafts is improved, and the practicability is improved.

2. When the coupler rotates, the tooth claw can be subjected to larger extrusion force, the decompression grooves are formed in the two sides of the tooth claw at intervals, so that the tooth claw is in a spring-like state, the extrusion deformation capacity of the tooth claw is effectively improved, the rubber strip is inserted into the decompression grooves, a buffering force can be provided, the damping and buffering capacity of the coupler is further improved, and the service life of the coupler is effectively prolonged.

Drawings

FIG. 1 is an exploded perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic perspective view of the end structure of the coupling of the present utility model;

fig. 3 is a schematic perspective view of a plum blossom pad according to the present utility model;

fig. 4 is a schematic perspective view of the structure of the tooth claw of the utility model.

In the figure: 1. a coupling end; 11. tooth slots; 111. a first extension groove; 112. a rubber pad; 12. tooth claws; 121. a decompression tank; 122. an extension; 2. plum blossom pad; 21. a jaw pad; 211. a second extension groove; 212. rubber strips.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a plum blossom coupler comprises two coupler ends 1 and plum blossom pads 2, wherein the plum blossom pads 2 are arranged between the two coupler ends 1, an even number of tooth grooves 11 are circumferentially arranged on the two coupler ends 1, and tooth claws 12 are slidingly connected in the circumferentially arranged tooth grooves 11 at intervals;

the plum blossom pad 2 circumference is equipped with jaw pad 21, and the cross section between the adjacent jaw pad 21 and the cross section looks adaptation of tooth claw 12, and the tooth claw 12 of interval setting inserts respectively between the adjacent two jaw pads 21 of plum blossom pad 2 in the tooth groove 11 of two shaft coupling tip 1, then accomplishes fixedly in the tooth groove 11 of inserting the shaft coupling tip 1 of offside, and the tooth claw 12 of two shaft coupling tip 1 can slide in tooth groove 11 at this moment, when fixing the diaxon, and the compensation scope is wider, has effectively improved the practicality.

In this embodiment, first extending groove 111 has all been seted up to tooth's socket 11 inner wall opposite side, and the rubber pad 112 has all been laminated to opposite side inner wall, decompression groove 121 has been seted up to tooth's claw 12 both sides are crisscross, improve the deformability of tooth's claw 12, increase the transmission of moment, improve the cushioning effect, tooth's claw 12 both sides are equipped with the extension 122 that corresponds first extending groove 111, tooth's claw 12 extension 122 sets up in first extending groove 111, make the connection between tooth's claw 12 and the tooth's socket 11 more stable, inseparable, rubber pad 112 can cushion when tooth's claw 12 atress, improve shaft coupling life.

In this embodiment, the height of the inner wall of the decompression slot 121 is greater than the thickness of the rubber strip 212, the second extension slots 211 are formed on two sides of the jaw pad 21, and the rubber strips 212 are uniformly provided on two sides in a staggered manner, and the second extension slots 211 between the adjacent jaw pads 21 are matched with the extension portions 122 on two sides of the jaw 12, when the jaw 12 is inserted into the second extension slots 211, the rubber strips 212 on two sides are inserted into the decompression slot 121 in the jaw 12, and when the jaw 12 is deformed by torsion, the rubber strips 212 can provide a buffer supporting force to avoid excessive deformation of the jaw 12 and damage.

In this embodiment, the outer walls of the two coupling end portions 1 are circumferentially provided with screw fixing holes, so that the coupling end portions 1 and the shafts connected with the coupling end portions are conveniently fixed, and screw holes for fixing the tooth pawls 12 can be formed.

Working principle: install two shaft coupling tip 1 to the diaxon, then dock with plum blossom pad 2, the tooth claw 12 of shaft coupling tip 1 inserts in the tooth's socket 11 of another shaft coupling tip 1 between two claw pads 21 respectively this moment, and tooth claw 12 can slide in tooth's socket 11 inside for the distance between two shaft coupling tip 1 can change, makes things convenient for the connection between the diaxon of different distances, has improved the compensation ability of shaft coupling to the diaxon, has increased the practicality.

When the driving shaft drives the driven shaft to rotate through the coupler, the coupler end part 1 of the driving shaft end drives the plum blossom pad 2 and the coupler end part 1 of the other end to rotate through the tooth claws 12, at the moment, the tooth claws 12 on two sides can be subjected to larger extrusion force, the decompression grooves 121 are arranged on two sides of the tooth claws 12 at intervals, so that the tooth claws 12 form a spring-like state, the extrusion deformation capacity of the tooth claws is effectively improved, and the rubber strips 212 on two sides of the claw pad 21 can be inserted into the decompression grooves 121, so that a buffering force can be provided, the damping and buffering capacity of the coupler is increased, and the service life of the coupler is effectively prolonged.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a plum blossom shaft coupling, includes two shaft coupling tip (1) and plum blossom pad (2), plum blossom pad (2) are established between two shaft coupling tip (1), its characterized in that: an even number of tooth grooves (11) are formed in the circumferential direction of the two end parts (1) of the coupler, and tooth claws (12) are connected in the tooth grooves (11) formed in the circumferential direction in a sliding manner at intervals;

the plum blossom pad (2) is circumferentially provided with claw pads (21), and the cross section between every two adjacent claw pads (21) is matched with the cross section of a tooth claw (12).

2. A quincuncial coupling as claimed in claim 1, wherein: the first extending grooves (111) are formed in the opposite sides of the inner walls of the tooth grooves (11), and rubber pads (112) are attached to the inner walls of the opposite sides.

3. A quincuncial coupling as claimed in claim 1 or 2, wherein: decompression grooves (121) are formed in two sides of the tooth claw (12) in a staggered mode, and extension portions (122) corresponding to the first extension grooves (111) are formed in two sides of the tooth claw (12).

4. A quincuncial coupling as claimed in claim 3, wherein: the height of the inner wall of the decompression groove (121) is larger than the thickness of the rubber strip (212).

5. A quincuncial coupling as claimed in claim 1, wherein: second extending grooves (211) are formed in two sides of each jaw pad (21), rubber strips (212) are uniformly arranged on two sides of each jaw pad in a staggered mode, and the second extending grooves (211) between the adjacent jaw pads (21) are matched with extending parts (122) on two sides of each tooth jaw (12).

6. A quincuncial coupling as claimed in claim 1, wherein: screw thread fixing holes are circumferentially formed in the outer walls of the two coupler end parts (1).