CN217029707U

CN217029707U - Spline shaft with prevent smooth silk function

Info

Publication number: CN217029707U
Application number: CN202221020413.2U
Authority: CN
Inventors: 刘振东
Original assignee: Weifang Yizhou Machinery Co ltd
Current assignee: Weifang Yizhou Machinery Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-07-22
Anticipated expiration: 2032-04-29

Abstract

The utility model relates to a spline shaft, in particular to a spline shaft with a function of preventing wire sliding. The utility model provides a spline shaft which is convenient to assemble, avoids the phenomenon of wire slipping and has high safety and a function of preventing the wire slipping. The utility model provides a integral key shaft with prevent smooth silk function, is including integral key shaft, external bolt and first lantern ring etc. and the cover has first lantern ring in the middle of the integral key shaft outside, and the integral key shaft is interior the left and right sides all through being connected with external bolt of screw thread rotary type. According to the utility model, the two sleeves are pulled by workers to move to a proper position, the limiting ring is fixed at the working position in the automobile by using the screw, and the external bolt is fixed on the spline shaft by the screw, so that the phenomenon that the external bolt is separated from the spline shaft in the rotating process and slides under the action of the screw can be avoided.

Description

Spline shaft with function of preventing sliding

Technical Field

The utility model relates to a spline shaft, in particular to a spline shaft with a function of preventing wire sliding.

Background

The spline shaft is a part of mechanical transmission, and transmits mechanical torque as well as the functions of a flat key, a semicircular key and a wedge key.

The utility model discloses a combination mechanical model spline axle sleeve that publication number is CN212966782U at present, belong to the mechanical model field, the hole including spline axle sleeve is the connecting hole, the connecting hole is round hole or square hole, spline axle sleeve's kind includes square hole spline axle sleeve and round hole spline axle sleeve, square hole spline axle sleeve includes square hole short key spline axle sleeve and square hole long key spline axle sleeve, it has four square keys to press the angle distribution of 90 degrees on the spline axle sleeve excircle, the square key includes short key and long key, what that the key length is less than half length of spline axle sleeve is short key spline axle sleeve, it is long key spline axle sleeve that the key length is greater than half above spline axle sleeve length. According to the utility model, the size and shape of the spline shaft sleeve and the length of the spline are improved, the spline shaft sleeve has the functions of fixed fit and rotating fit, the building requirements of different transmission structures can be met, the creative combined mechanical model is more convenient and flexible to insert and connect, and is easier to innovate and create, and the building requirements of different transmission structures can be met. Although above-mentioned patent can satisfy the demand of buildding of different transmission structure, makes the grafting of intention combination mechanical model more convenient, nimble, changes in innovation, creation, can satisfy the demand of buildding of different transmission structure, but above-mentioned patent is comparatively inconvenient at the in-process of staff's assembly, and the phenomenon that becomes flexible or smooth can appear at integral key shaft pivoted in-process, has safety and hides.

Therefore, the spline shaft with the function of preventing the sliding wire is required to be designed with reference to the problems in the prior art, and has the advantages of convenience in assembly, avoidance of the sliding wire phenomenon and high safety.

Disclosure of Invention

In order to overcome the defects that the assembly process of workers is inconvenient, the loosening or thread slipping phenomenon possibly occurs in the rotation process of the spline shaft and the safety is hidden in the above patent, the utility model has the technical problems that: the spline shaft with the function of preventing the sliding wire is convenient to assemble, capable of avoiding the sliding wire phenomenon and high in safety.

The technical implementation scheme of the utility model is as follows: a spline shaft with a function of preventing thread slipping is characterized by comprising a spline shaft, an external bolt, a first sleeve ring, sleeves, limiting rings, fixing frames, ejector blocks, a return spring, bearings and screws, wherein the first sleeve ring is sleeved in the middle of the outer side of the spline shaft, the left side and the right side in the spline shaft are connected with the external bolt in a thread rotating mode, the bearings are arranged on the left side and the right side of the spline shaft in a rotating mode, the sleeves are sleeved on the outer sides of the bearings, the limiting rings are arranged on the outer sides of the inner parts of the sleeves in a rotating mode, twelve limiting holes are uniformly formed in the two sleeves at intervals, three fixing frames are uniformly arranged on the outer sides of the bearings at intervals, the return springs are arranged in the six fixing frames, the inner ends of the return springs are fixedly connected with the outer sides of the bearings, the ejector blocks are arranged on the outer sides of the six fixing frames in a sliding mode, the inner side faces of the ejector blocks are fixedly connected with the outer ends of the return springs, the left side of the outer sides of the spline shaft is connected with the two screws in a rotating mode through threads, two screw rods on the left side are symmetrically arranged, the outer right side of the spline shaft is also connected with two screw rods in a thread rotating mode, and the two screw rods on the right side are symmetrically arranged.

Further, eight openings are uniformly arranged on the outer sides of the two limiting rings at intervals.

The spline shaft comprises a first sleeve ring, the first sleeve ring is symmetrically sleeved on the outer side of the spline shaft in a left-right mode, two placing holes are symmetrically formed in the outer sides of the first sleeve rings on the left side and the right side, and the placing holes correspond to the screw rods.

Further explanation, still including detection mechanism, detection mechanism is equipped with the dead lever including dead lever, response lamp, magnetism tablet and magnet on the bearing outside upper portion, and the response lamp is all installed to the outer top inboard of two dead levers, and the top inboard all installs magnetism tablet in two dead levers, and the outer top bilateral symmetry of integral key shaft is equipped with magnet, and magnet corresponds with magnetism tablet.

Further, the outer side of the top block is sleeved with a rubber sleeve.

Further, the two bearings are internally coated with lubricating oil.

The beneficial effect after adopting above-mentioned technical scheme is:

1. two sleeves are pulled by workers to move to a proper position, the limiting ring is fixed at a working position in an automobile by using screws, and the external bolt is fixed on the spline shaft by the screw rod, so that the external bolt can be prevented from being separated from the spline shaft in the rotating process and the phenomenon of thread slipping can be avoided under the action of the screw rod.

2. Can drive magnet through the integral key shaft and rotate, can take place electromagnetic induction with magnetism tablet when magnet rotates, the response lamp is bright often thereupon, so, under the effect of response lamp for people can in time overhaul when the integral key shaft rotation trouble appears, have improved the security.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a first partial sectional structural schematic diagram of the present invention.

Fig. 3 is a partial perspective view of the present invention.

Fig. 4 is a second partial sectional structural schematic diagram of the present invention.

Fig. 5 is a partial cross-sectional schematic view of the detection mechanism of the present invention.

The parts are numbered as follows: 1. integral key shaft, 101, external bolt, 2, the first lantern ring, 3, the cover bucket, 4, spacing ring, 401, opening, 5, spacing hole, 6, fixed frame, 7, kicking block, 8, the return spring, 10, the bearing, 11, the screw rod, 111, place the hole, 112, the second lantern ring, 12, detection mechanism, 120, dead lever, 121, response lamp, 122, magnetism tablet, 123, magnet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

A spline shaft with a function of preventing sliding threads is disclosed, and referring to figures 1 to 5, the spline shaft comprises a spline shaft 1, an external bolt 101, a first sleeve ring 2, a sleeve barrel 3, limiting rings 4, a fixing frame 6, a top block 7, a return spring 8, a bearing 10 and a screw 11, the first sleeve ring 2 is sleeved in the middle of the outer side of the spline shaft 1, the external bolt 101 is rotatably connected to the inner left side and the inner right side of the spline shaft 1 through threads, the bearing 10 is connected to the left side and the right side of the spline shaft 1 through a bearing seat, lubricating oil is coated inside the two bearings 10 and can better rotate and match with the spline shaft 1, the sleeve barrel 3 is sleeved on the outer side of each bearing 10, the limiting rings 4 are connected to the outer side of the sleeve barrel 3 through the bearing seat, eight openings 401 are uniformly arranged on the outer sides of the two limiting rings 4 at intervals, so that the limiting rings 4 can be better installed with external equipment, twelve limiting holes 5 are uniformly arranged on the two sleeve barrels 3 at intervals, every four spacing holes 5 are a set of, bearing 10 outside all even interval welding has three fixed frame 6, six fixed frame 6 are inside to have all placed back

force spring

8, 8 inner and bearing 10 fixed connection of back force spring, six fixed frame 6 inside outsides all slidingtype are equipped with

kicking block

7, 7 outsides of kicking block all overlap there is the gum cover, can be convenient press down

kicking block

7, 7 medial surfaces of kicking block and 8 outer end fixed connection of back force spring, kicking block 7 all is located spacing downthehole sliding fit 5, the three kicking block 7 of homonymy all cooperates with 3 joints of cask, 1 outer left side of integral key shaft is through being connected with two screw rods 11 of screw thread rotary type, two screw rods 11 in left side are the symmetry setting, 1 outer right side of integral key shaft also is through being connected with two screw rods 11 of screw thread rotary type, two screw rods 11 in right side are the symmetry setting.

Referring to fig. 2 and 4, the spline shaft comprises a second collar 112, the second collar 112 is symmetrically sleeved outside the spline shaft 1, two placing holes 111 are symmetrically formed outside the second collar 112 on the left and right sides, and the placing holes 111 correspond to the screw rods 11.

When a worker uses the spline shaft 1 with the function of preventing the sliding of the threads, the worker pulls the sleeve barrel 3 to drive the limiting ring 4 to move, in the process, the sleeve barrel 3 moves to be in contact with the top block 7 and extrudes the three top blocks 7 inwards to enable the return spring 8 to be compressed, the rubber sleeve has certain elasticity, the top block 7 can be conveniently pressed, when the sleeve barrel 3 moves to a proper position, the worker stops pulling the sleeve barrel 3, then the top blocks 7 are aligned with the limiting hole 5, meanwhile, the return spring 8 resets, the return spring 8 drives the top block 7 to reset, under the action of the top block 7, the sleeve barrel 3 is fixed on the outer wall of the bearing 10, then the worker sleeves the two second sleeve rings 112 from the left side and the right side of the spline shaft 1 to the middle, when the second sleeve rings 112 move to a limit distance, the worker screws the external bolt 101 on the automobile into the spline shaft 1, when the external bolt 101 moves to a proper distance, a worker places the screw 11 in the placement hole 111, the screw 11 in the placement hole 111 contacts with the spline shaft 1, then the worker screws the screw 11 into the spline shaft 1 through the placement hole 111 by using a screwdriver, when the screw 11 moves to a certain distance, the screw 11 contacts with the external bolt 101 and fixes the external bolt 101, then the worker fixes the limit ring 4 at a working position in the automobile by using a screw through the opening 401 and connects the second collar 112 with a required connection position of the automobile, at this time, under the action of the limit ring 4 and the external bolt 101, the whole spline shaft 1 is fixed at the working position, the spline shaft 1 rotates along with the automobile, and during the rotation of the spline shaft 1, the spline shaft 1 drives the screw 11, the second collar 112 and the external bolt 101 to rotate, the external bolt 101 can drive the shaft of the automobile to rotate, when the automobile needs to shift gears or change speed, the second sleeve ring 112 can slide along with the automobile, and the second sleeve ring 112 continuously keeps rotating in the sliding process, so that the external bolt 101 can be prevented from being separated from the spline shaft 1 in the rotating process under the action of the screw 11, and the phenomenon of wire sliding can be avoided.

Example 2

On the basis of embodiment 1, referring to fig. 1 and 5, the detecting device further includes a detecting mechanism 12, the detecting mechanism 12 includes fixing rods 120, induction lamps 121, magnetic induction plates 122 and magnets 123, the fixing rods 120 are welded on the upper portion of the outer side of the bearing 10, the induction lamps 121 are installed on the inner sides of the outer tops of the two fixing rods 120, the magnetic induction plates 122 are installed on the inner sides of the inner tops of the two fixing rods 120, the magnets 123 are welded on the outer top of the spline shaft 1 in a bilateral symmetry manner, and the magnets 123 correspond to the magnetic induction plates 122.

At 1 pivoted in-process of integral key shaft, integral key shaft 1 can drive magnet 123 and rotate, can take place electromagnetic induction with magnetism tablet 122 when magnet 123 rotates, response lamp 121 often lights thereupon, lead to when rotating unusually when integral key shaft 1 breaks down, integral key shaft 1 rotation card pauses, response lamp 121 flickers thereupon, people can judge the behavior of integral key shaft 1 according to response lamp 121, thus, under the effect of response lamp 121, make people when integral key shaft 1 breaks down, can in time overhaul, the security has been improved.

The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that various changes, modifications and substitutions may be made by those skilled in the art without departing from the spirit of the utility model, and all are intended to be included within the scope of the utility model. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A spline shaft with a function of preventing thread slipping is characterized by comprising a spline shaft (1), external bolts (101), first lantern rings (2), sleeve barrels (3), limiting rings (4), fixing frames (6), top blocks (7), return springs (8), bearings (10) and a screw (11), wherein the external bolts (101) are rotatably connected to the left side and the right side of the inside of the spline shaft (1) through threads, the first lantern rings (2) are sleeved in the middle of the outer side of the spline shaft (1), the bearings (10) are rotatably arranged on the left side and the right side of the spline shaft (1), the sleeve barrels (3) are sleeved on the outer sides of the bearings (10), the limiting rings (4) are rotatably arranged on the outer sides of the inner portions of the sleeve barrels (3), twelve limiting holes (5) are uniformly arranged on the two sleeve barrels (3) at intervals, the three fixing frames (6) are uniformly arranged on the outer sides of the bearings (10) at intervals, the return springs (8) are arranged inside the six fixing frames (6), return force spring (8) the inner and bearing (10) outside fixed connection, six fixed frame (6) inside outsides all slidingtype are equipped with kicking block (7), kicking block (7) medial surface and return force spring (8) outer end fixed connection, the outer left side of integral key shaft (1) is connected with two screw rods (11) through the screw thread rotary type, two screw rods (11) in left side set up for the symmetry, the outer right side of integral key shaft (1) also is connected with two screw rods (11) through the screw thread rotary type, two screw rods (11) in right side set up for the symmetry.

2. Spline shaft with thread slipping prevention function according to claim 1, characterized in that eight openings (401) are provided at even intervals outside both the stop rings (4).

3. The spline shaft with the function of preventing the thread slipping according to claim 2, characterized in that the spline shaft comprises a second sleeve ring (112), the second sleeve ring (112) is symmetrically sleeved outside the spline shaft (1) in a left-right mode, two placing holes (111) are symmetrically formed in the outer sides of the second sleeve rings (112) on the left side and the right side, and the placing holes (111) correspond to the screw rods (11).

4. The spline shaft with the function of preventing the sliding thread as claimed in claim 3, further comprising a detection mechanism (12), wherein the detection mechanism (12) comprises fixing rods (120), induction lamps (121), magnetic induction plates (122) and magnets (123), the fixing rods (120) are arranged on the upper portion of the outer side of the bearing (10), the induction lamps (121) are arranged on the inner sides of the outer tops of the two fixing rods (120), the magnetic induction plates (122) are arranged on the inner sides of the inner tops of the two fixing rods (120), the magnets (123) are symmetrically arranged on the left and right sides of the outer top of the spline shaft (1), and the magnets (123) correspond to the magnetic induction plates (122).

5. A spline shaft with a function of preventing slipping according to claim 4, characterized in that the rubber sleeve is sleeved outside the ejector block (7).

6. A spline shaft with a thread slipping prevention function according to claim 5, wherein both bearings (10) are internally coated with lubricating oil.