CN208057734U - A kind of positive coupling - Google Patents
A kind of positive coupling Download PDFInfo
- Publication number
- CN208057734U CN208057734U CN201820414638.3U CN201820414638U CN208057734U CN 208057734 U CN208057734 U CN 208057734U CN 201820414638 U CN201820414638 U CN 201820414638U CN 208057734 U CN208057734 U CN 208057734U
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- CN
- China
- Prior art keywords
- revolving meber
- nylon rod
- location hole
- half revolving
- positioning reed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a kind of positive coupling, this shaft coupling includes half revolving meber one and half revolving meber two, the middle part of half revolving meber one and half revolving meber two, which is respectively provided with, wears axis hole one and wears axis hole two, it is circumferentially uniformly provided with location hole one on half revolving meber one, it is provided on half revolving meber two and one one-to-one location hole two of location hole, it is inserted with a nylon rod in location hole one and corresponding location hole two, is interference fitted between nylon rod and location hole one and location hole two；There is gap between half revolving meber one and half revolving meber two；Screw is inserted in nylon rod.The utility model has many advantages, such as simple in structure, durable, good buffer effect.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of positive coupling.
Background technology
Positive coupling is a kind of shaft coupling of torsional rigid, even if bear load when without any gyration aperture, even if
It is positive coupling or rigid of transmission torque when having deviation to generate load.Positive coupling does not have resiliency and compensation two
The ability of axis relative displacement, it is desirable that the stringent centering of two axis, use is complicated, and dismounting, maintenance difficult also have and use it before
He is with money shaft coupling, but effect improved unobvious.
The shaft coupling formed is combined with vibration damping sheet by two and half revolving mebers, since the torque of transmission is because strong by elastic element
The problems such as larger vibration damping sheet that be easy to cause of limitation (too hard) and intermediate gap of degree deforms, displacement dismounting, maintenance difficult.
Utility model content
The purpose of this utility model is the existing above problem in view of the prior art, provides a kind of positive coupling, this
Utility model simplifies the structure of positive coupling the technical problem to be solved is that how to improve effectiveness in vibration suppression.
The purpose of this utility model can be realized by following technical proposal：A kind of positive coupling, which is characterized in that this
Shaft coupling includes half revolving meber one and half revolving meber two, and the middle part of half revolving meber, one and half revolving meber two, which is respectively provided with, wears axis
Hole one and axis hole two is worn, location hole one is circumferentially uniformly provided on half revolving meber one, is provided on half revolving meber two
With one one-to-one location hole two of location hole, a nylon is inserted in the location hole one and corresponding location hole two
Stick is interference fitted between the nylon rod and location hole one and location hole two；Between half revolving meber, one and half revolving meber two
With gap；It is inserted with screw in the nylon rod.
It inserts a shaft into and wears axis hole one and wear in axis hole two, half revolving meber one is made to be connected with half revolving meber two, it at the same time, will
Each nylon rod is inserted into corresponding location hole one and location hole two.
Nylon rod has the characteristics that good toughness, tear resistance are strong, oil resistant, antidetonation, bending strength are good, water imbibition is small, stability,
It being punched among nylon rod by secondary improve, the problems such as latching of two axis is made it be not easy to disengage by screw rear enclosure nut is worn in centre,
In the past a vibration damping sheet was needed to change using rigid vibration damping sheet shaft coupling within average every 2 months.After carefully analyzing discussion, using Buddhist nun
The nylon rod of imperial material is fixed in coupling hole position, solves the deficiency of vibration damping sheet well.The bad reduction such as simultaneous faults rate,
By this improvement shaft coupling, failure it is bad it is accumulative decline 100%.And nylon rod material, transformation use cost is low, using effect
Obviously.
Screw is inserted into nylon rod in a helical pattern after installing, and nylon rod is made to expand, and improves half revolving meber, one He
Bonding strength between half revolving meber two, while toughness and elasticity between the two are not lost yet.
In a kind of above-mentioned positive coupling, it is provided in the gap between half revolving meber, one and half revolving meber two
Positioning reed one and positioning reed two, the positioning reed one and positioning reed two are cyclic structure, the positioning reed one
On the inside of each nylon rod, the positioning reed two is located on the outside of each nylon rod.
Positioning reed one and positioning reed two are stuck to nylon rod progress, avoid nylon rod deformation, at the same time, Ke Yiti
For gap certain between half revolving meber one and half revolving meber two, the connection length of heat dissipation and axis is improved.
In a kind of above-mentioned positive coupling, the outside of the positioning reed one is with one-to-one with each nylon rod
Recess one, each nylon rod are caught in corresponding recess one.
In a kind of above-mentioned positive coupling, the outside of the positioning reed two is with one-to-one with each nylon rod
Recess two, each nylon rod are caught in corresponding recess two.
Using recess one and recess two, precise positioning is carried out to the position of each nylon rod, avoids its bending.
In a kind of above-mentioned positive coupling, the positioning reed one and positioning reed two are stacked.
In a kind of above-mentioned positive coupling, the positioning reed one and positioning reed two are made of steel material.
Description of the drawings
Fig. 1 is the structural schematic diagram of this positive coupling.
Fig. 2 is the structural schematic diagram of half revolving meber one in this positive coupling.
Fig. 3 is the structural schematic diagram of half revolving meber two in this positive coupling.
In figure, 11, half revolving meber one；12, half revolving meber two；21, axis hole one is worn；22, axis hole two is worn；31, location hole one；
32, location hole two；4, nylon rod；51, positioning reed one；52, positioning reed two；61, recess one；62, recess two.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, this shaft coupling includes half revolving meber 1 and half revolving meber 2 12, half revolving meber 1 and half turns round
The middle part of part 2 12, which is respectively provided with, wears axis hole 1 and wears axis hole 2 22, and location hole is circumferentially uniformly provided on half revolving meber 1
One 31, it is provided on half revolving meber 2 12 and one 31 one-to-one location hole 2 32 of location hole, location hole 1 and right therewith
It is inserted with a nylon rod 4 in the location hole 2 32 answered, is interference fitted between nylon rod 4 and location hole 1 and location hole 2 32；
There is gap between half revolving meber 1 and half revolving meber 2 12；It is inserted with screw in nylon rod 4.
It inserts a shaft into and wears axis hole 1 and wear in axis hole 2 22, half revolving meber 1 is made to be connected with half revolving meber 2 12, with
Each nylon rod 4 is inserted into corresponding location hole 1 and location hole 2 32 by this simultaneously.
Nylon rod 4 has the spies such as good toughness, tear resistance strong, oil resistant, antidetonation, bending strength are good, water imbibition is small, stability
Point will be punched by secondary improve among nylon rod 4, and screw rear enclosure nut is worn in centre makes it be not easy to disengage etc. and ask the latching of two axis
Topic needed to change a vibration damping sheet in average every 2 months using rigid vibration damping sheet shaft coupling in the past.After carefully analyzing discussion, adopt
It is fixed in coupling hole position with the nylon rod 4 of nylon material, solves the deficiency of vibration damping sheet well.Simultaneous faults rate etc. is bad
Reduce, by this improvement shaft coupling, failure it is bad it is accumulative decline 100%.And 4 material of nylon rod, transformation use cost is low, makes
With with obvious effects.
Screw is inserted into after installing in nylon rod 4 in a helical pattern, and nylon rod 4 is made to expand, and improves half revolving meber one
11 and half bonding strength between revolving meber 2 12, while toughness and elasticity between the two is not lost yet.
As shown in Figure 1, Figure 2 and Figure 3, it is provided with back stop in the gap between half revolving meber 1 and half revolving meber 2 12
Piece 1 and positioning reed 2 52, positioning reed 1 and positioning reed 2 52 are cyclic structure, and positioning reed 1 is located at
4 inside of each nylon rod, positioning reed 2 52 are located at 4 outside of each nylon rod；2 52 pairs of nylon of positioning reed 1 and positioning reed
Stick 4 carries out stuck, avoids 4 deformation of nylon rod, at the same time, can provide one between half revolving meber 1 and half revolving meber 2 12
The connection length of heat dissipation and axis is improved in fixed gap.
The outside of positioning reed 1 has is caught in correspondence with 4 one-to-one recess 1 of each nylon rod, each nylon rod 4
Recess 1 in；The outside of positioning reed 2 52 has blocks with 4 one-to-one recess 2 62 of each nylon rod, each nylon rod 4
Enter in corresponding recess 2 62；Using recess 1 and recess 2 62, precise positioning is carried out to the position of each nylon rod 4, is avoided
It is bent；Positioning reed 1 and positioning reed 2 52 are stacked.
Positioning reed 1 and positioning reed 2 52 are made of steel material.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (6)
1. a kind of positive coupling, which is characterized in that this shaft coupling includes half revolving meber one (11) and half revolving meber two (12), institute
It states to be respectively provided in the middle part of half revolving meber one (11) and half revolving meber two (12) and wears axis hole one (21) and wear axis hole two (22), it is described
It is circumferentially uniformly provided with location hole one (31) on half revolving meber one (11), is provided on half revolving meber two (12) and location hole
The one-to-one location hole two (32) in one (31), the location hole one (31) and corresponding location hole two (32) is interior is inserted with
One nylon rod (4) is interference fitted between the nylon rod (4) and location hole one (31) and location hole two (32)；Described half turns round
There is gap between part one (11) and half revolving meber two (12)；It is inserted with screw in the nylon rod (4).
2. a kind of positive coupling according to claim 1, which is characterized in that half revolving meber one (11) and half revolving meber
It is provided with positioning reed one (51) and positioning reed two (52) in gap between two (12), the positioning reed one (51) and fixed
Position reed two (52) is cyclic structure, and the positioning reed one (51) is located on the inside of each nylon rod (4), the positioning reed two
(52) it is located on the outside of each nylon rod (4).
3. a kind of positive coupling according to claim 2, which is characterized in that the outside of the positioning reed one (51) has
With the one-to-one recess one (61) of each nylon rod (4), each nylon rod (4) is caught in corresponding recess one (61).
4. a kind of positive coupling according to claim 2, which is characterized in that the outside of the positioning reed two (52) has
With the one-to-one recess two (62) of each nylon rod (4), each nylon rod (4) is caught in corresponding recess two (62).
5. according to a kind of positive coupling of Claims 2 or 3 or 4, which is characterized in that the positioning reed one (51) and fixed
Position reed two (52) is stacked.
6. according to a kind of positive coupling of Claims 2 or 3 or 4, which is characterized in that the positioning reed one (51) and fixed
Position reed two (52) is made of steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820414638.3U CN208057734U (en) | 2018-03-23 | 2018-03-23 | A kind of positive coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820414638.3U CN208057734U (en) | 2018-03-23 | 2018-03-23 | A kind of positive coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208057734U true CN208057734U (en) | 2018-11-06 |
Family
ID=63990315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820414638.3U Active CN208057734U (en) | 2018-03-23 | 2018-03-23 | A kind of positive coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208057734U (en) |
-
2018
- 2018-03-23 CN CN201820414638.3U patent/CN208057734U/en active Active
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