CN220060230U

CN220060230U - Difficult cracked transmission shaft

Info

Publication number: CN220060230U
Application number: CN202321631818.4U
Authority: CN
Inventors: 梁太胜; 金余; 贾永源
Original assignee: Zhejiang Yilin Machinery Co ltd
Current assignee: Zhejiang Yilin Machinery Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2023-11-21
Anticipated expiration: 2033-06-26

Abstract

The utility model discloses a transmission shaft which is not easy to break, and aims to provide a transmission shaft which is high in assembly connection strength and efficiency and high in structural strength and is not easy to break. The device comprises a transmission main shaft and a connecting shaft, wherein a slot is formed in the end face of the transmission main shaft, the end head of the connecting shaft is spliced with the slot, a reinforcing fixed ring is sleeved on the transmission main shaft, a reinforcing movable ring is sleeved on the connecting shaft, a locking piece is arranged on the transmission main shaft, a fixing groove matched with the locking piece is formed in the connecting shaft, a mounting ring is connected onto the reinforcing movable ring, a mounting groove is formed in the transmission main shaft, the mounting ring is in threaded connection with the mounting groove, and the locking piece is in sliding connection with the transmission main shaft through the mounting ring. The beneficial effects of the utility model are as follows: the structure connection stability and smoothness are improved, and the structure connection strength is high and is not easy to loose; the assembly operation is simplified, the efficiency is high, and the disassembly is convenient; the structural strength is high and the double reinforcement prevents the transmission shaft from breaking.

Description

Difficult cracked transmission shaft

Technical Field

The utility model relates to the technical field of transmission shafts, in particular to a transmission shaft which is not easy to break.

Background

After the chain transmission shaft of the cast-weld assembly line breaks, the outsourcing period is more than 3 days, and the normal production of the whole cast-weld line is affected. The existing transmission shaft comprises a transmission main shaft and a connecting shaft for connection; the connecting shafts are matched and installed in mounting grooves formed in two ends of the transmission main shaft. Under this kind of circumstances, the connecting axle is easy to fracture, and the connecting axle after fracture is located the part in the mounting groove, is difficult to extract, and the maintenance is comparatively complicated.

Chinese patent grant bulletin number: CN 213270765U, the date 2021, 05 and 25, the utility model discloses an anti-breaking assembled transmission shaft, comprising a transmission main shaft and connecting shafts coaxially arranged at two ends of the transmission main shaft; mounting grooves matched with the connecting shafts are formed in the coaxial mode at two ends of the transmission main shaft; the connecting shaft is arranged in the mounting groove in a matching way; the transmission main shaft is connected with the connecting shaft through a stepped limiting pipe. The technical scheme has the defects that 1. The connection of the limiting shaft wide tube is easy to loosen, so that the connection strength of the transmission main shaft and the connecting shaft is low; 2. the mounting groove and the first limiting hole are communication holes, so that the separated part of the transmission main shaft is easy to deform, and the structure strength is reduced, so that the transmission main shaft is easy to break; 3. the assembly efficiency is low, which is unfavorable for assembly and maintenance.

In summary, the transmission shaft has low assembly connection strength and efficiency, low structural strength and easy breakage.

Disclosure of Invention

The utility model provides a transmission shaft with high assembly connection strength and efficiency and high structural strength, which is difficult to break, in order to overcome the defects of low assembly connection strength and efficiency and low structural strength and easy breakage of the transmission shaft in the prior art.

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

the utility model provides a difficult cracked transmission shaft, includes transmission main shaft and connecting axle, is equipped with the slot on the terminal surface of transmission main shaft, and the end and the slot grafting of connecting axle have cup jointed on the transmission main shaft and have strengthened the ring, have cup jointed on the connecting axle and strengthen the rotating ring, are equipped with the locking piece on the transmission main shaft, are equipped with the fixed slot with locking piece assorted on the connecting axle, strengthen to be connected with the collar on the rotating ring, are equipped with the mounting groove on the transmission main shaft, collar and mounting groove threaded connection, and the locking piece passes through collar and transmission main shaft sliding connection.

The slot that is connected with the connecting axle has been seted up on the one end terminal surface that transmission main shaft and connecting axle are connected, the one end that connects the taking out inserts in the slot and forms basic connection, the last strengthening fixed ring that has cup jointed of transmission main shaft is used for being connected with epaxial strengthening movable ring of connecting, and then strengthen the intensity of transmission main shaft and connecting axle junction, wherein set up the jam on the transmission main shaft, but the fixed slot of inserting when the jam slides has been set up on the connecting axle, and then the jam is connected transmission main shaft has been connected simultaneously to the jam, prevent that the transmission main shaft takes place to loosen and rotate after connecting with the connecting axle, guarantee that the intensity that transmission main shaft and connecting axle are connected prevents to fracture, in addition the jam slides when being connected through the strengthening movable ring, and then simplified the fixed operation of installation when installing, in addition the collar is with mounting groove threaded connection after the jam locking, and then make strengthening movable ring and strengthening fixed ring can further fixed connection fast, reach assembly joint intensity and difficult pine and operating efficiency height, the cracked effect of transmission shaft is prevented to structural strength.

Preferably, the end face of the transmission main shaft is provided with a movable groove, the movable groove is communicated with the mounting groove, and the reinforcing movable ring is in scarf joint with the movable groove. The end face of the transmission main shaft is provided with a movable groove which is communicated with the mounting groove, and the movable groove is used for placing a reinforcing movable ring so that the hollowness of the reinforcing fixed ring is reduced, the thickness of the reinforcing fixed ring is increased, and the effect of further reinforcing the structural strength to prevent the transmission shaft from being broken is achieved.

Preferably, one end of the locking piece is opposite to the fixed groove, the end face of the other end of the locking piece is provided with a pushing inclined plane, the structural shape of the pushing inclined plane is inclined, and the mounting ring is opposite to the pushing inclined plane. The terminal surface of the one end of locking piece and fixed slot are relative and get into the fixed slot with the thrust of following the removal of solid fixed ring, and the other terminal surface of locking piece is the promotion inclined plane of slope, promotes the inclined plane and is relative with the un-connected end of collar, and then makes the locking piece get into the fixed slot through the thrust that supports on promoting the inclined plane in making to remove through the collar, and then realizes the auto-lock in order to accomplish the effect of strengthening while simplifying assembly operation.

Preferably, the reinforcing fixed ring is connected with a sliding block, the sliding block is arranged in the movable groove, the locking block is provided with a limiting sliding groove, and the sliding block is in sliding connection with the limiting sliding groove. The reinforcing fixed ring is connected with the sliding block, the sliding block is arranged in the movable groove and is connected with the limiting sliding groove on the locking block, so that the sliding block and the reinforcing fixed ring are connected into a whole, the locking block can move along the limiting sliding groove, and then the locking block stably and linearly moves into the fixed groove, and the effect of further improving the structural connection stability and smoothness is achieved.

Preferably, the limiting block is connected to the sliding block, a clamping groove matched with the limiting block is formed in the groove wall of the limiting sliding groove, and the limiting block is in sliding connection with the clamping groove. The slider is connected with the spacing spout and is limited the piece scarf joint simultaneously in the draw-in groove, thereby reaches the effect that prevents the slider and be convenient for connect the assembly relatively from top to bottom throughout with the fixed slot when preventing that the slider from being pushed out by the one end when strengthening the ring.

Preferably, a reset spring is arranged in the limiting chute, one end of the reset spring is attached to the wall of the limiting chute, and the other end of the reset spring is connected with the sliding block. The reset spring is connected in the limiting sliding groove, one side groove wall of the limiting sliding groove is initially arranged on one side of the sliding block, the other side of the sliding block is connected with one end of the reset spring, the other end of the reset spring is propped against the other side groove wall of the limiting sliding groove, the sliding block can automatically pop out after the reinforcing moving ring is withdrawn during disassembly and maintenance, the connecting shaft and the transmission main shaft are unlocked, and the effect of convenient disassembly is achieved.

Preferably, the connecting shaft is sleeved with a reinforcing ring, the reinforcing ring is provided with a connecting groove, and the connecting groove is in threaded connection with the reinforcing ring. The connecting shaft is fixedly sleeved with the reinforcing ring, the outer surface of the reinforcing ring is provided with external threads, the reinforcing ring is provided with a connecting groove matched with the reinforcing ring, the groove wall of the connecting groove is provided with internal threads matched with the external threads, and the reinforcing ring and the connecting shaft are reinforced by threads for the second time and are simultaneously and simply connected, so that the assembly is simple and the double reinforcement is realized.

The beneficial effects of the utility model are as follows: the structure connection stability and smoothness are improved, and the structure connection strength is high and is not easy to loose; the assembly operation is simplified, the efficiency is high, and the disassembly is convenient; the structural strength is high and the double reinforcement prevents the transmission shaft from breaking.

Drawings

Fig. 1 is a perspective view of the present utility model (unassembled state);

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a cross-sectional view of the connection of the lock block with the slider and the limiter block;

fig. 5 is an assembled state diagram of the present utility model.

In the figure: 1. the device comprises a transmission main shaft, a connecting shaft, a slot, a reinforcing fixed ring, a reinforcing movable ring, a locking block, a fixing groove, a mounting ring, a mounting groove, a movable groove, a pushing inclined surface, a sliding block, a limiting sliding groove, a limiting block, a clamping groove, a restoring spring, a reinforcing ring, a connecting groove and an assembling groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. 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.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature's illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "under" other elements or features would then be oriented "over" the other elements or features. Thus, the exemplary term "lower" may encompass both an upper and lower orientation. The device may be otherwise positioned (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, processes and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

Example 1:

as shown in fig. 1, the transmission shaft not easy to break comprises a transmission main shaft 1 and a connecting shaft 2, wherein a slot 3 is arranged on the end face of the transmission main shaft 1, the end head of the connecting shaft 2 is spliced with the slot 3, a reinforcing fixed ring 4 is sleeved on the transmission main shaft 1, and a reinforcing movable ring 5 is sleeved on the connecting shaft 2.

As shown in fig. 2, a lock block 6 is arranged on the transmission main shaft 1, a fixing groove 7 matched with the lock block 6 is arranged on the connecting shaft 2, a mounting ring 8 is connected on the reinforcing moving ring 5, a mounting groove 9 is arranged on the transmission main shaft 1, the mounting ring 8 is in threaded connection with the mounting groove 9, and the lock block 6 is in sliding connection with the transmission main shaft 1 through the mounting ring 8. The end face of the transmission main shaft 1 is provided with a movable groove 10, the movable groove 10 is communicated with the mounting groove 9, and the reinforcing moving ring 5 is in scarf joint with the movable groove 10.

As shown in fig. 3 and 4, one end of the locking piece 6 is opposite to the fixing groove 7, the other end face of the locking piece 6 is provided with a pushing inclined surface 11, the pushing inclined surface 11 is inclined, and the mounting ring 8 is opposite to the pushing inclined surface 11. The reinforcing fixed ring 4 is connected with a sliding block 12, the sliding block 12 is arranged in the movable groove 10, the locking block 6 is provided with a limiting sliding groove 13, and the sliding block 12 is in sliding connection with the limiting sliding groove 13. The slide block 12 is connected with a limiting block 14, the groove wall of the limiting chute 13 is provided with a clamping groove 15 matched with the limiting block 14, and the limiting block 14 is in sliding connection with the clamping groove 15. A return spring 16 is arranged in the limiting chute 13, one end of the return spring 16 is attached to the wall of the limiting chute 13, and the other end of the return spring 16 is connected with the sliding block 12.

As shown in fig. 3, the connecting shaft 2 is sleeved with a reinforcing ring 17, the reinforcing ring 5 is provided with a connecting groove 18, and the connecting groove 18 is in threaded connection with the reinforcing ring 17.

As shown in fig. 1-5: the locking pieces 6 are provided with two opposite locking pieces 6, wherein in the locking piece 6 above the upper part in the drawing, the initial contact point of the mounting ring 8 and the pushing inclined plane 11 is slightly higher than the horizontal lowest point of the pushing inclined plane 11, so that the locking between the mounting ring 8 and the locking piece 6 is prevented from being blocked, the effect of improving the assembly smoothness is achieved, and the locking pieces 6 below are arranged in the same principle.

The connecting shaft 2 is provided with an assembling notch 19 which is convenient for connecting and separating the transmission main shaft 1 and the connecting shaft 2 during assembling and disassembling.

When assembled: the end of the connecting shaft 2 is inserted into the slot 3 on the end of the transmission main shaft 1, the reinforcing fixed ring 4 is sleeved and inserted in the direction from the connecting shaft 2 to the transmission main shaft 1 until the locking piece 6 is attached to the end surface of the transmission main shaft 1 and is opposite to the fixed groove 7, the reinforcing movable ring 5 is sleeved and inserted into the movable groove 10 in the direction from the connecting shaft 2 to the transmission main shaft 1 until the mounting ring 8 abuts against the locking piece 6, the locking piece 6 can be continuously inserted in the rotation until the mounting ring 8 pushes the mounting ring 8 to be inserted into the fixed groove 7 below (the sliding block 12 and the limiting block 14 respectively move in the limiting sliding groove 13 and the clamping groove 15 against the tensile force of the reset spring 16) until the fixed groove 7 is clamped in, at the moment, the mounting ring 8 can be screwed and connected in the mounting groove 9 in the rotation until the reinforcing ring 17 starts to be synchronously connected with the connecting groove 18 in a threaded manner after the mounting ring rotates to the moving degree, and the connection of the connecting shaft 2 and the transmission main shaft 1 can be reinforced and prevented from being broken through the locking and double connection through the actions of insertion and rotation.

When the disassembly and maintenance are carried out: the fixed ring 4 is screwed out of the reinforced movable ring 5 reversely and easily through the assembly groove 19, so that the reinforced movable ring 17 is separated from the connecting groove 8, the mounting ring 8 is separated from the mounting groove 9, the reinforced movable ring 5 is separated from the movable groove 10, the locking piece 6 loses the restriction of the mounting ring 8 and is separated from the fixed groove 7 under the restoring force of the restoring spring 16, the connecting shaft 2 and the transmission main shaft 1 can be contacted and locked, the connecting shaft 2 is reversely pulled out of the slot 3 of the transmission main shaft 1, and maintenance can be started.

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 of the 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 difficult cracked transmission shaft, characterized by, including transmission main shaft (1) and connecting axle (2), be equipped with slot (3) on the terminal surface of transmission main shaft (1), the end and the slot (3) grafting of connecting axle (2), fixed ring (4) have been strengthened to the last cover of transmission main shaft (1), reinforcing movable ring (5) have been cup jointed on connecting axle (2), be equipped with locking piece (6) on transmission main shaft (1), be equipped with on connecting axle (2) with locking piece (6) assorted fixed slot (7), be connected with collar (8) on reinforcing movable ring (5), be equipped with mounting groove (9) on transmission main shaft (1), collar (8) and mounting groove (9) threaded connection, locking piece (6) are through collar (8) and transmission main shaft (1) sliding connection.

2. The transmission shaft which is not easy to break according to claim 1, wherein the end face of the transmission main shaft (1) is provided with a movable groove (10), the movable groove (10) is communicated with the mounting groove (9), and the reinforcing moving ring (5) is in scarf joint with the movable groove (10).

3. The transmission shaft which is not easy to break according to claim 2, wherein one end of the locking piece (6) is opposite to the fixing groove (7), the other end face of the locking piece (6) is provided with a pushing inclined surface (11), the pushing inclined surface (11) is in an inclined structure shape, and the mounting ring (8) is opposite to the pushing inclined surface (11).

4. A drive shaft not easy to break according to claim 3, characterized in that the reinforcing fixed ring (4) is connected with a slide block (12), the slide block (12) is arranged in the movable groove (10), the lock block (6) is provided with a limit sliding groove (13), and the slide block (12) is slidably connected with the limit sliding groove (13).

5. The transmission shaft which is not easy to break according to claim 4, wherein the sliding block (12) is connected with a limiting block (14), a clamping groove (15) matched with the limiting block (14) is arranged on the groove wall of the limiting sliding groove (13), and the limiting block (14) is in sliding connection with the clamping groove (15).

6. The transmission shaft not easy to break according to claim 5, wherein a return spring (16) is arranged in the limit chute (13), one end of the return spring (16) is attached to the wall of the limit chute (13), and the other end of the return spring (16) is connected with the sliding block (12).

7. The transmission shaft which is not easy to break according to claim 6, wherein the connecting shaft (2) is sleeved with a reinforcing ring (17), the reinforcing ring (5) is provided with a connecting groove (18), and the connecting groove (18) is in threaded connection with the reinforcing ring (17).