CN211951162U

CN211951162U - High fatigue resistance simple split pump transmission shaft

Info

Publication number: CN211951162U
Application number: CN202020044329.9U
Authority: CN
Inventors: 叶于敏
Original assignee: Recas Nanjing Precision Machinery Co ltd
Current assignee: Recas Nanjing Precision Machinery Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-11-17
Anticipated expiration: 2030-01-09

Abstract

The utility model relates to a pump transmission shaft technical field just discloses a high fatigue resistance simplification well-opened pump transmission shaft, including primary shaft, secondary shaft, third axle, fourth axle and screw rod, the one end joint of primary shaft is in the one end of secondary shaft, the other end joint of secondary shaft is in the one end of third axle, the other end joint of third axle is in the one end of fourth axle, the other end fixed connection of fourth axle is in the one end of screw rod. The utility model discloses can convenient to detach, make things convenient for people to change the accessory, made things convenient for people to use, improved the joint strength between the axle simultaneously, satisfied people's demand.

Description

High fatigue resistance simple split pump transmission shaft

Technical Field

The utility model relates to a pump transmission shaft technical field especially relates to a high fatigue resistance simplification turn-on pump transmission shaft in.

Background

The drive shaft for the pump is usually installed in the pump to play a role of transmission, and is an indispensable part in the pump when the pump is turned on.

The oil pump transmission shaft provided by the patent of patent publication No. CN 203822835U comprises a long shaft body and a connecting shaft mechanism, wherein the end face of the long shaft body is provided with a mounting hole, the connecting shaft mechanism is inserted into the mounting hole of the long shaft body and is fixedly connected through a key, the mounting hole is provided with a limiting groove, the connecting shaft mechanism is provided with a limiting block, and the limiting block is in inserted fit with the limiting groove; the connecting shaft mechanism comprises a connecting shaft part and a spline shaft part, and the spline shaft part and the connecting shaft part are of an integral structure;

connect through hot plastic method between to two axles in this patent, the joint strength of whole axle is lower, and the pulling bearing capacity between two axles is not high, drops easily in the use, causes unnecessary trouble and loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the junction intensity in the transmission shaft is not high among the prior art, and the high fatigue resistance easy split pump transmission shaft that proposes.

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

the utility model provides a high fatigue resistance simplification turn-on pump transmission shaft, includes primary shaft, secondary shaft, third axle, fourth axle and screw rod, the one end joint of primary shaft is in the one end of secondary shaft, the other end joint of secondary shaft is in the one end of third axle, the other end joint of third axle is in the one end of fourth axle, the other end fixed connection of fourth axle is in the one end of screw rod.

Preferably, the first shaft side wall is fixedly connected with two symmetrically arranged fixing blocks, the two fixing blocks are provided with screw holes at positions opposite to the side wall of the second shaft, and the screw holes are internally connected with limit bolts through threads.

Preferably, the inner side wall of the second shaft is provided with two symmetrically arranged limiting sliding grooves, and the side wall of the third shaft is fixedly connected with two limiting sliding blocks matched with the limiting sliding grooves.

Preferably, two spacing holes running through the second shaft lateral wall are all set up to the lateral wall of spacing spout, two equal sliding connection in inside in spacing hole has the gag lever post, two the same limiting plate of one end fixedly connected with of secondary shaft is kept away from to the gag lever post, two fixedly connected with cup joint the spring on the gag lever post pole wall between the lateral wall of limiting plate and secondary shaft.

Preferably, a key groove is formed in the side wall of the fourth shaft.

Preferably, the first shaft, the second shaft, the third shaft, the fourth shaft and the screw are all coaxially arranged.

Compared with the prior art, the utility model provides a high fatigue resistance simplification turn-on pump transmission shaft possesses following beneficial effect:

1. this high fatigue resistance easy split pump transmission shaft through the fixed block and the spacing bolt that are equipped with, can fix primary shaft and secondary shaft through spacing bolt, has made things convenient for the dismantlement between primary shaft and the secondary shaft, is convenient for change the device, has made things convenient for people's use.

2. This high fatigue resistance simplification well pump transmission shaft, through the spacing spout that is equipped with, spacing slider, spacing hole, the gag lever post, limiting plate and spring, can slide in spacing spout through spacing slider and form simple and easy fixed, form fixed and spacing to spacing slider through the gag lever post simultaneously, and then spacing to the third axle, the joint strength between secondary shaft and the third axle has been improved, the people of being convenient for simultaneously dismantle, made things convenient for people to use, people's demand has been satisfied.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can convenient to detach, make things convenient for people to change the accessory, made things convenient for people to use, improved the joint strength between the axle simultaneously, satisfied people's demand.

Drawings

FIG. 1 is a schematic structural view of a high fatigue resistance easy split pump transmission shaft provided by the present invention;

fig. 2 is a schematic structural view of a high fatigue resistance easy split pump transmission shaft limit chute provided by the utility model;

FIG. 3 is a schematic structural view of a portion A of a transmission shaft of a simplified split pump with high fatigue resistance, which is provided by the present invention;

fig. 4 is the utility model provides a high fatigue resistance simplification turn on pump transmission shaft limit slide's schematic structure.

In the figure: the device comprises a first shaft 1, a second shaft 2, a third shaft 3, a fourth shaft 4, a screw rod 5, a fixing block 6, a limiting bolt 7, a limiting sliding groove 8, a limiting sliding block 9, a limiting hole 10, a limiting rod 11, a limiting plate 12, a spring 13 and a key groove 14.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a high fatigue resistance easy-to-use axially split pump transmission shaft comprises a first shaft 1, a second shaft 2, a third shaft 3, a fourth shaft 4 and a screw 5, wherein one end of the first shaft 1 is clamped at one end of the second shaft 2, the other end of the second shaft 2 is clamped at one end of the third shaft 3, the other end of the third shaft 3 is clamped at one end of the fourth shaft 4, and the other end of the fourth shaft 4 is fixedly connected at one end of the screw 5.

The fixing blocks 6 that two symmetries set up are connected with to the lateral wall fixedly of primary shaft 1, and there is spacing bolt 7 through threaded connection in screw and the screw has all been seted up to the relative department of the lateral wall of two fixing blocks 6 and secondary shaft 2, can come to form fixedly and dismantle between primary shaft 1 and the secondary shaft 2 through spacing bolt 7.

Two symmetrical limiting sliding grooves 8 are formed in the inner side wall of the second shaft 2, two limiting sliding blocks 9 matched with the limiting sliding grooves 8 are fixedly connected to the side wall of the third shaft 3, and the limiting sliding blocks 9 can be clamped through the limiting sliding grooves 8 to form limiting, so that rotation is facilitated.

Two spacing holes 10 that run through 2 lateral walls of secondary shaft are all seted up to the lateral wall of two spacing spouts 8, and the equal sliding connection in inside of two spacing holes 10 has gag lever post 11, and the same limiting plate 12 of one end fixedly connected with of secondary shaft 2 is kept away from to two gag lever posts 11, and two fixedly connected with spring 13 of cup jointing on 11 pole walls of gag lever post between the lateral wall of limiting plate 12 and secondary shaft 2 can be fixed and dismantlement through 11 convenient formation of gag lever posts.

The side wall of the fourth shaft 4 is provided with a key groove 14 for connecting a pump.

The first shaft 1, the second shaft 2, the third shaft 3, the fourth shaft 4 and the screw 5 are coaxially arranged, and the rotating coordination of the transmission shaft can be improved.

The utility model discloses in, during the use, place secondary shaft 2 between two fixed blocks 6 earlier, then through spacing bolt 7 fixed plate 6 and secondary shaft 2, form the fixed of primary shaft 1 and secondary shaft 2, then correspond two limit slide 9 and peg graft into in the limit chute 8, slide limit slide 9 to limit chute 8's bottom through sliding, then peg graft gag lever post 11 on limit slide 9 along spacing hole 10, form the fixed to limit slide 9, and then with third axle 3 fixed connection on secondary shaft 2, only need pull up gag lever post 11 when dismantling rotate limit slide 9 can, whole equipment structure is simple, can convenient to detach, make things convenient for people to change the accessory, made things convenient for people to use, the joint strength between the axle has been improved simultaneously, people's demand has been satisfied.

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

1. The utility model provides a high fatigue resistance easy split pump transmission shaft, includes primary shaft (1), secondary shaft (2), third axle (3), fourth axle (4) and screw rod (5), its characterized in that, the one end joint of primary shaft (1) is in the one end of secondary shaft (2), the other end joint of secondary shaft (2) is in the one end of third axle (3), the other end joint of third axle (3) is in the one end of fourth axle (4), the other end fixed connection of fourth axle (4) is in the one end of screw rod (5).

2. The transmission shaft of the high fatigue resistance easy split pump as recited in claim 1, wherein two symmetrically arranged fixed blocks (6) are fixedly connected to the side wall of the first shaft (1), screw holes are respectively formed at the opposite positions of the two fixed blocks (6) and the side wall of the second shaft (2), and limit bolts (7) are connected to the screw holes through threads.

3. The transmission shaft of the high fatigue resistance easy split pump is characterized in that the inner side wall of the second shaft (2) is provided with two symmetrically arranged limiting sliding grooves (8), and the side wall of the third shaft (3) is fixedly connected with two limiting sliding blocks (9) matched with the limiting sliding grooves (8).

4. The high fatigue resistance easy split pump transmission shaft as claimed in claim 3, wherein two limiting holes (10) penetrating through the side wall of the second shaft (2) are formed in the side walls of the two limiting chutes (8), two limiting rods (11) are slidably connected inside the two limiting holes (10), one end of each of the two limiting rods (11) far away from the second shaft (2) is fixedly connected with a same limiting plate (12), and two springs (13) sleeved on the rod wall of each limiting rod (11) are fixedly connected between the limiting plate (12) and the side wall of the second shaft (2).

5. The transmission shaft of the high fatigue resistance easy split pump of claim 1, wherein the side wall of the fourth shaft (4) is provided with a key groove (14).

6. The transmission shaft of the high fatigue resistance easy split pump of claim 1, wherein the first shaft (1), the second shaft (2), the third shaft (3), the fourth shaft (4) and the screw (5) are all coaxially arranged.