CN217401473U

CN217401473U - High-connection-strength safety coupling

Info

Publication number: CN217401473U
Application number: CN202221673482.3U
Authority: CN
Inventors: 傅海锋; 王俊男
Original assignee: HANGZHOU DINGJIANG MACHINERY CO Ltd
Current assignee: HANGZHOU DINGJIANG MACHINERY CO Ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-09-09
Anticipated expiration: 2032-07-01

Abstract

The utility model discloses a high joint strength's safe type shaft coupling, including first half-coupling, the second half-coupling, first connecting axle sleeve, the even axle sleeve of second, first half-coupling is equipped with two first spacing grooves, first draw-in groove, the second half-coupling is equipped with two first spacing plush copper, be equipped with the second draw-in groove on the first spacing plush copper, spring and fixture block are equipped with in the second draw-in groove, first half-coupling is equipped with two second spacing grooves, be equipped with the through-hole between second spacing groove and the first draw-in groove, be equipped with the third spacing groove on the second half-coupling, be fixed with the spacing guide arm on the second half-coupling, the cover has arc fixture block, thrust spring on the spacing guide arm. Has the advantages that: the first half coupling and the second half coupling can be locked, exposed screws are not needed, stability and firmness are achieved, and the connecting strength is high; can cover the through-hole, avoid debris to get into the through-hole and press back the fixture block, further improve the stability of connecting.

Description

High-connection-strength safety coupling

Technical Field

The utility model belongs to the technical field of the shaft coupling, concretely relates to high joint strength's safe type shaft coupling.

Background

The coupler is a mechanical part used for coupling two shafts (a driving shaft and a driven shaft) in different mechanisms to enable the two shafts to rotate together so as to transmit torque, and plays a role in connection.

The existing coupler generally fixes two half couplers through bolts, is easy to loosen and fall off when in use, and has low connection strength and poor firmness.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high joint strength's safe type shaft 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 high-connection-strength safety coupling comprises a first half coupling and a second half coupling, wherein a first connecting sleeve is arranged on the first half coupling, a second connecting sleeve is arranged on the second half coupling, two first limiting grooves are symmetrically arranged on one side, away from the first connecting sleeve, of the first half coupling, a first clamping groove facing the center of the first half coupling is arranged in each first limiting groove, two first limiting raised heads are symmetrically arranged on one side, away from the second connecting sleeve, of the second half coupling, the first limiting raised heads correspond to the first limiting grooves in a one-to-one mode and are matched in size, second clamping grooves corresponding to the first clamping grooves are arranged on the first limiting raised heads, springs and clamping blocks are arranged in the second clamping grooves, the clamping blocks are clamped between the first clamping grooves and the second clamping grooves under the thrust of the springs, two second limiting grooves are symmetrically arranged on the outer edge of the first half coupling, the second limiting groove is provided with a through hole between the first clamping groove, the second half-coupling is provided with a third limiting groove corresponding to the second limiting groove, the second half-coupling is fixedly provided with a limiting guide rod positioned in the third limiting groove, the limiting guide rod is sleeved with an arc-shaped clamping block capable of sliding in the third limiting groove, and the limiting guide rod is sleeved with a thrust spring.

Preferably, the diameters of the first half coupling and the second half coupling are the same, and the outer edge of the arc-shaped clamping block is matched with the outer edges of the first half coupling and the second half coupling.

Preferably, a square limiting groove is formed in the center of the first half coupler, and a square limiting protruding head matched with the square limiting groove is arranged on the second half coupler.

Preferably, the first half coupler and the first connecting shaft sleeve are integrally formed, and the second half coupler, the second connecting shaft sleeve, the first limiting raised head and the square limiting raised head are integrally formed.

Preferably, the limiting guide rod is welded on the second half coupling and is made of high-wear-resistance and high-hardness alloy materials.

Preferably, when the arc-shaped fixture block is completely sleeved on the limiting guide rod, the through hole is exposed out of the arc-shaped fixture block.

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

1. the first half coupling and the second half coupling can be locked, exposed screws are not needed, stability and firmness are achieved, and the connecting strength is high.

2. The through hole can be covered, impurities are prevented from entering the through hole and being pressed back to the clamping block, and the connection stability is further improved.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is a schematic sectional structural view of a first half coupling of the present invention;

fig. 3 is a schematic sectional structural view of a second coupling part of the present invention;

fig. 4 is a schematic diagram of a right-view structure of the first half-coupling of the present invention;

fig. 5 is a left side view structural diagram of the second half-coupling of the present invention.

In the figure: 1. a first half coupling; 2. a second coupling half; 3. a first connecting shaft sleeve; 4. a second coupling sleeve; 5. a first limit groove; 6. a first card slot; 7. a first limit raised head; 8. a second card slot; 9. a spring; 10. a clamping block; 11. a second limit groove; 12. a through hole; 13. a third limiting groove; 14. a limiting guide rod; 15. an arc-shaped fixture block; 16. a thrust spring; 17. a square limiting groove; 18. and a square limit raised head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Example 1: referring to fig. 1-5, the present invention provides a technical solution: a high-connection-strength safety coupling comprises a first half coupling 1 and a second half coupling 2, wherein a first connecting shaft sleeve 3 is arranged on the first half coupling 1, a second connecting shaft sleeve 4 is arranged on the second half coupling 2, two first limiting grooves 5 are symmetrically arranged on one side, away from the first connecting shaft sleeve 3, of the first half coupling 1, a first clamping groove 6 facing the center of the first half coupling 1 is arranged in each first limiting groove 5, two first limiting raised heads 7 are symmetrically arranged on one side, away from the second connecting shaft sleeve 4, of the second half coupling 2, the first limiting raised heads 7 and the first limiting grooves 5 are in one-to-one correspondence and size matching, a second clamping groove 8 corresponding to the first clamping groove 6 is arranged on each first limiting raised head 7, a spring 9 and a clamping block 10 are arranged in each second clamping groove 8, the clamping block 10 is clamped between the first clamping groove 6 and the second clamping groove 8 under the thrust of the spring 9, two second limiting grooves 11 are symmetrically arranged on the outer edge of the first half coupling 1, a through hole 12 is arranged between each second limiting groove 11 and the corresponding first clamping groove 6, a third limiting groove 13 corresponding to each second limiting groove 11 is arranged on the second half coupling 2, a limiting guide rod 14 positioned in each third limiting groove 13 is fixed on the second half coupling 2, an arc-shaped clamping block 15 capable of sliding in each third limiting groove 13 is sleeved on each limiting guide rod 14, and a thrust spring 16 is sleeved on each limiting guide rod 14; the driving shaft is connected through the first connecting shaft sleeve 3, the driven shaft is connected through the second connecting shaft sleeve 4, the two clamping blocks 10 are synchronously pressed into the second clamping groove 8, the first limiting raised head 7 is inserted corresponding to the first limiting groove 5, then the clamping blocks 10 are clamped between the first clamping groove 6 and the second clamping groove 8 under the thrust action of the spring 9, so that the first half coupler 1 and the second half coupler 2 are locked, when the driving shaft drives the first connecting shaft sleeve 3 and the first half coupler 1 to rotate, the second half coupler 2 and the second connecting shaft sleeve 4 can be driven to rotate through the cooperation of the first limiting groove 5 and the first limiting raised head 7, and the driven shaft is driven to rotate.

Specifically, the diameters of the first half-coupling 1 and the second half-coupling 2 are the same, and the outer edges of the arc-shaped fixture blocks 15 are matched with the outer edges of the first half-coupling 1 and the second half-coupling 2; in the present embodiment, the overall appearance is thus more harmonious and aesthetically pleasing.

Specifically, a square limiting groove 17 is formed in the center of the first half coupling 1, and a square limiting raised head 18 matched with the square limiting groove 17 is arranged on the second half coupling 2; in this embodiment, the pressure borne by the first limiting groove 5 and the first limiting raised head 7 during the matching process can be effectively reduced.

Specifically, the first half coupling 1 and the first connecting sleeve 3 are integrally formed, and the second half coupling 2, the second connecting sleeve 4, the first limiting raised head 7 and the square limiting raised head 18 are integrally formed; in this embodiment, be convenient for whole preparation, improve machining efficiency, and connect more stably.

Specifically, the limiting guide rod 14 is welded on the second half coupling 2, and the limiting guide rod 14 is made of high-wear-resistance high-hardness alloy material; in the embodiment, the limiting guide rod 14 is durable, not easy to deform and more stable.

Specifically, when the arc-shaped fixture block 15 is completely sleeved on the limiting guide rod 14, the through hole 12 is exposed out of the arc-shaped fixture block 15; in this embodiment, therefore, during disassembly, the arc-shaped latch 15 can be pulled open to expose the through hole 12, so as to avoid the influence of the arc-shaped latch 15 on the insertion of the external part.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

The working principle is as follows: the driving shaft is connected through the first connecting shaft sleeve 3, the driven shaft is connected through the second connecting shaft sleeve 4, the two clamping blocks 10 are synchronously pressed into the second clamping groove 8, the first limiting raised head 7 is inserted corresponding to the first limiting groove 5, the clamping blocks 10 are clamped between the first clamping groove 6 and the second clamping groove 8 under the thrust action of the spring 9, so that the first half coupler 1 and the second half coupler 2 are locked, meanwhile, the square limiting raised head 18 is inserted into the square limiting groove 17, and when the driving shaft drives the first connecting shaft sleeve 3 and the first half coupler 1 to rotate, the driving shaft can drive the second half coupler 2 and the second connecting shaft sleeve 4 to rotate through the matching of the first limiting groove 5 and the first limiting raised head 7 and the matching of the square limiting groove 17 and the square limiting raised head 18, so as to drive the driven shaft to rotate to work; during disassembly, the two through holes 12 are synchronously inserted from the outside to press the clamping block 10 back to the second clamping groove 8, and the first half coupling 1 and the second half coupling 2 are separated; and when the first half-coupling 1 and the second half-coupling 2 are locked, the arc-shaped fixture block 15 can be pressed into the second limiting groove 11 by the thrust spring 16 to further limit the first half-coupling 1 and the second half-coupling 2 and cover the through hole 12, so that the situation that the connection is unstable due to the fact that impurities enter the through hole 12 and press the fixture block 10 back is avoided.

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. The high-connection-strength safety coupling is characterized by comprising a first half coupling (1) and a second half coupling (2), wherein a first connecting sleeve (3) is arranged on the first half coupling (1), a second connecting sleeve (4) is arranged on the second half coupling (2), two first limiting grooves (5) are symmetrically arranged on one side, away from the first connecting sleeve (3), of the first half coupling (1), first clamping grooves (6) facing the center of the first half coupling (1) are formed in the first limiting grooves (5), two first limiting raised heads (7) are symmetrically arranged on one side, away from the second connecting sleeve (4), of the second half coupling (2), the first limiting raised heads (7) correspond to the first limiting grooves (5) in a one-to-one mode and are matched in size, second clamping grooves (8) corresponding to the first clamping grooves (6) are arranged on the first limiting raised heads (7), spring (9) and fixture block (10) are equipped with in second draw-in groove (8), fixture block (10) warp spring (9) thrust is blocked down first draw-in groove (6) with between second draw-in groove (8), first half shaft coupling (1) outer fringe symmetry is equipped with two second spacing grooves (11), second spacing groove (11) with be equipped with through-hole (12) between first draw-in groove (6), be equipped with on second half shaft coupling (2) with third spacing groove (13) that second spacing groove (11) correspond, be fixed with on second half shaft coupling (2) and be located spacing guide arm (14) in third spacing groove (13), spacing guide arm (14) go up the cover have can be in gliding arc fixture block (15) in third spacing groove (13), thrust spring (16) are gone up to spacing guide arm (14).

2. The high-connection-strength safety coupling according to claim 1, wherein the diameters of the first half coupling (1) and the second half coupling (2) are the same, and the outer edges of the arc-shaped clamping blocks (15) are matched with the outer edges of the first half coupling (1) and the second half coupling (2).

3. The high-connection-strength safety coupling according to claim 1, characterized in that a square limiting groove (17) is formed in the center of the first coupling half (1), and a square limiting raised head (18) matched with the square limiting groove (17) is formed on the second coupling half (2).

4. The safety coupling with high connection strength according to claim 3, wherein the first half coupling (1) is integrally formed with the first connecting sleeve (3), and the second half coupling (2), the second connecting sleeve (4), the first limiting raised head (7) and the square limiting raised head (18) are integrally formed.

5. The safety coupling with high connection strength according to claim 1, characterized in that the limiting guide rod (14) is welded to the second coupling half (2), and the limiting guide rod (14) is made of high-wear-resistance high-hardness alloy material.

6. The high-connection-strength safety coupling according to claim 1, wherein when the arc-shaped clamping block (15) is completely sleeved on the limiting guide rod (14), the through hole (12) is exposed out of the arc-shaped clamping block (15).