CN207093336U - A kind of piston compressor protecgulum - Google Patents
A kind of piston compressor protecgulum Download PDFInfo
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- CN207093336U CN207093336U CN201720890652.6U CN201720890652U CN207093336U CN 207093336 U CN207093336 U CN 207093336U CN 201720890652 U CN201720890652 U CN 201720890652U CN 207093336 U CN207093336 U CN 207093336U
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Abstract
The utility model discloses a kind of piston compressor protecgulum, including circular lid, lid offers axis hole along its axial direction, and lid inner face is circumferentially provided with the annular groove for installing bearing around axis hole, and multiple removal holes for being used to dismantle bearing are circumferentially provided with along axis hole on the bottom wall of annular groove.By being provided with the removal hole of screw thread on the bottom wall of annular groove, the installation bolt in each removal hole, by rotating multiple bolts, so as to which bearing is ejected into annular groove, convenient disassembly, shaft strength stabilization, it is small to the impulsive force of bearing, the possibility of bearing damage when reducing dismounting；By setting boss and reinforcement, the structural strength of lid is enhanced, when dismantling bearing, improves the ability that lid bears load, the possibility of lid deformation when reducing dismounting；By setting leg, blower fan drainage hood is fixedly connected by leg with protecgulum, and the cylinder that cooling wind is sent to compressor by blower fan drainage hood is radiated, and enhances the structural stability of blower fan drainage hood.
Description
Technical field
It the utility model is related to compressor accessory technical field, more particularly to a kind of piston compressor protecgulum.
Background technology
Piston type air compressor is that electric energy or mechanical kinetic energy are converted into the gas energy of pressure and the device that can be stored, extensively
It is general to be applied in all trades and professions.
Existing air compressor mainly includes base, motor, casing, cylinder, and the cylinder due to compressor is being done back and forth
Amount of heat can be produced during formula piston movement.In order to be radiated to the cylinder of compressor, one end of casing be provided with protecgulum with
And the cooling blower on protecgulum, the shaft end of motor are connected through protecgulum and with the flabellum of blower fan.
The shaft end of this air compressor is rotatablely connected with protecgulum by bearing, and bearing is interference fit with protecgulum.When need
When being repaired to air compressor, it is necessary to be prized inside protecgulum from bearing inner race by bearing after protecgulum is pulled down, dismantle
Inconvenience, and shaft strength is uneven when prizing bearing, easily makes bearing deformation, and extruding lid easily makes lid during bearing deformation
Deformation, causes air compressor inconvenient maintenance.
The content of the invention
The purpose of this utility model is to provide a kind of piston compressor protecgulum, and it has the advantages of easy to maintenance.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of piston compressor protecgulum, including circular lid, the lid offer axis hole, the lid along its axial direction
Inner face is circumferentially provided with the annular groove for installing bearing around the axis hole, along the circumference of the axis hole on the bottom wall of the annular groove
It is provided with multiple removal holes for being used to dismantle bearing.
By using above-mentioned technical proposal, general installation sealed bearings on compressor front cover, the inner ring of sealed bearings and outer
Pressing plate is installed between circle.When needing to repair compressor, protecgulum is pulled down, protecgulum is fixed on stationary fixture,
Insertion diameter is less than the bearing pin of removal hole in removal hole, and one end of bearing pin insertion removal hole contacts with the pressing plate of bearing.Utilize thousand
The pressure mechanisms such as jin top make bearing pin be axially moved along removal hole, apply thrust to the pressing plate of bearing, bearing is released out of annular groove,
So as to pull down bearing, convenient disassembly；Because bearing is by pressing plate stress, uniform force and stress point is multiple, when reducing dismounting
The possibility of bearing damage.
The utility model is further arranged to：The removal hole inwall is provided with screw thread.
By using above-mentioned technical proposal, when needing to repair compressor, due to passing through the forcing presses such as jack
When structure ejects bearing, the thrust size that bearing is subject to can change, and cause shaft strength unstable, can produce impact to bearing
Power, it is easily damaged bearing.The installation bolt in each removal hole, by rotating multiple bolts, bolt is towards the lateral movement of bearing one
So as to which bearing is ejected into annular groove.Bearing is ejected using bolt, bolt is stable to the thrust of bearing, small to the impulsive force of bearing, enters
The possibility of bearing damage when one step reduces dismounting.
The utility model is further arranged to：Circumferential spaced set of the removal hole along the axis hole is two.
By using above-mentioned technical proposal, removal hole spaced set is two, and when ejecting bearing, shaft strength is equal
It is even, the possibility of bearing deformation when reducing dismounting.
The utility model is further arranged to：The annular groove has multiple reinforcements, Duo Gesuo along its outer wall spaced set
Reinforcement is stated along the lid radial distribution.
By using above-mentioned technical proposal, reinforcement enhances the structural strength of lid, when dismantling bearing, improves lid
The ability of load is born, the possibility of lid deformation when reducing dismounting, and then avoid bearing from being extruded in dismounting with lid
Cause deformation.
The utility model is further arranged to：It is multiple heavy that the lid outer face has along the lid circumference spaced set
Hole, multiple counterbore intersections form boss, and the boss is oppositely arranged with the reinforcement.
By using above-mentioned technical proposal, multiple counterbores are opened up on lid outer face, mitigate the weight of lid, dismounting is more
Add conveniently；Boss is oppositely arranged with reinforcement, after counterbore is opened up, will not also reduce the structural strength of lid.
The utility model is further arranged to：The lid the week side of boss is provided with mounting ring, the mounting ring protrusion with it is described
The inner face of lid, the mounting ring have multiple bolts hole along its circumferential spaced set.
By using above-mentioned technical proposal, the mounting ring of lid and the casing of compressor are bolted, and are installed, are dismantled
It is convenient.
The utility model is further arranged to：The installation surrounding place side is symmetrically arranged with multiple for installing blower fan drainage hood
Leg, multiple legs are radially set along the mounting ring, and mounting hole is offered on multiple legs.
By using above-mentioned technical proposal, leg is used to install blower fan drainage hood, and the cooling wind of blower fan is sent into compressor
Cylinder radiated, blower fan drainage hood is fixedly connected by leg with protecgulum, enhances the structural stability of blower fan drainage hood.
The utility model is further arranged to：The seal groove for installing sealing ring is provided with the lid inner face,
The seal groove is between the mounting ring and the reinforcement.
By using above-mentioned technical proposal, the casing of lid and compressor is formed by sealing ring to be sealed, and reduces compressor
The possibility of gas leakage.
The utility model is further arranged to：Formed between the annular groove bottom wall and the end face in the paraxial hole of the Bearing support
For accommodating the lubricant reservoir of lubricating oil.
By using above-mentioned technical proposal, during work, in removal hole installation prevent the sealed screw of oil leak, it is close
Envelope screw and sealing ring, which coordinate, prevents oil leak, and the lubricating oil in lubricant reservoir is lubricated to bearing, improves bearing
Service life, reduce maintenance frequency.
Compared with prior art, the beneficial effects of the utility model are as follows：
（1）By being provided with the removal hole of screw thread on the bottom wall of annular groove, when needing to repair compressor,
Installation bolt in each removal hole, by rotating multiple bolts, so as to which bearing is ejected into annular groove, bearing is ejected using bolt, made
Shaft strength is stable, small to the impulsive force of bearing, the possibility of bearing damage when reducing dismounting；
（2）By setting boss and reinforcement, the structural strength of lid is enhanced, when dismantling bearing, lid is improved and holds
Ability loaded, the possibility of lid deformation when reducing dismounting；
（3）By being provided for installing the leg of blower fan drainage hood, blower fan drainage hood is fixedly connected by leg with protecgulum,
The cylinder that cooling wind is sent to compressor by blower fan drainage hood is radiated, and enhances the structural stability of blower fan drainage hood.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model（One）；
Fig. 2 is structural representation of the present utility model（Two）；
Fig. 3 is inner face front view of the present utility model；
Fig. 4 is outer face front view of the present utility model；
Fig. 5 is the sectional view of the line A-A along Fig. 4.
Reference：1st, lid；2nd, axis hole；3rd, annular groove；4th, removal hole；5th, screw thread；6th, counterbore；7th, boss；8th, reinforcement；
9th, mounting ring；10th, bolt hole；11st, seal groove；12nd, leg；13rd, mounting hole；14th, sealing ring；15th, lubricant reservoir.
Embodiment
With reference to embodiment and accompanying drawing, the utility model is described in further detail, but implementation of the present utility model
Mode is not limited only to this.
As shown in figures 1 and 3, a kind of piston compressor protecgulum, including circular lid 1, lid 1 offer along its axial direction
For installing the axis hole 2 of machine shaft.The inner face of lid 1 is circumferentially provided with the annular groove 3 for installing bearing, annular groove 3 around axis hole 2
Bottom wall on multiple be used to dismantle the removal holes 4 of bearing along being circumferentially provided with for axis hole 2.
When needing to dismantle sealed bearings when maintenance, lid 1 is pulled down, lid 1 is fixed on stationary fixture, in removal hole
Insertion diameter is less than the bearing pin of removal hole 4 in 4, and one end of bearing pin insertion removal hole 4 contacts with the pressing plate of sealed bearings.Utilize thousand
The pressure mechanisms such as jin top make bearing pin be axially moved along removal hole 4, apply thrust to the pressing plate of bearing, bearing is pushed away out of annular groove 3
Go out, so as to pull down bearing, convenient disassembly；Because bearing is by pressing plate stress, uniform force and stress point is multiple reduces dismounting
When bearing damage possibility.
The possibility of bearing damage when as shown in Figure 4 and Figure 5, in order to reduce dismounting, removal hole 4 are circumferential etc. along axis hole 2
Spacing is arranged to two.During due to ejecting bearing by pressure mechanisms such as jack, the thrust size that bearing is subject to can become
Change, cause shaft strength unstable, impulsive force can be produced to bearing, be easily damaged bearing.Therefore, the inwall of removal hole 4 is provided with
Screw thread 5.When needing to repair compressor, the installation bolt in each removal hole 4, by rotating multiple bolts, bolt
Towards the lateral movement of bearing one so as to which bearing be ejected, bearing is ejected using bolt, makes shaft strength stable, to the impulsive force of bearing
It is small, the possibility of bearing damage when further reducing dismounting；4 symmetrical spaced set of removal hole, when ejecting bearing, bearing by
Power is uniform, the possibility of bearing deformation when reducing dismounting.
As shown in Figure 3 and Figure 4, in order to mitigate the weight of lid 1, the outer face of lid 1 has along 1 circumferential spaced set of lid
Multiple counterbores 6, counterbore 6 refer to the obstructed hole opened up inwardly in the end face of lid 1.Multiple intersections of counterbore 6 form boss 7.By
The structural strength of lid 1 may be influenceed in opening up counterbore 6, therefore, annular groove 3 there are multiple reinforcements along its outer wall spaced set
8, multiple reinforcements 8 are oppositely arranged along the radial distribution of lid 1, boss 7 with reinforcement 8.
After bending resistance is tested, the lid 1 for opening up counterbore 6 does not drop compared to the breaking load for the lid 1 for not opening up counterbore 6
It is low.Illustrate that boss 7 and reinforcement 8 enhance the structural strength of the lid 1 after opening up counterbore 6, when dismantling bearing, improve lid
1 bears the ability of load, the possibility that lid 1 deforms when reducing dismounting bearing, and then avoids bearing from being sent out in dismounting with lid 1
Raw extruding causes deformation.After counterbore 6 is opened up, the structural strength of lid 1 will not be also reduced.
In order to facilitate the installation of lid 1 and compressor case, the week side of boss of lid 1 is provided with mounting ring 9, the protrusion of mounting ring 9 with
The inner face of lid 1, mounting ring 9 have multiple bolts hole 10 along its circumferential spaced set.The mounting ring 9 and compressor of lid 1
Casing be bolted, installation, convenient disassembly.
The seal groove 11 for installing sealing ring is provided with the inner face of lid 1, seal groove 11 is located at mounting ring 9 with strengthening
Between muscle 8.The casing of lid 1 and compressor is formed by sealing ring to be sealed, and reduces the possibility of compressor gas leakage.
Due to needing to install cooling fan and drainage hood on the protecgulum of compressor, therefore, the week side of boss of mounting ring 9 is symmetrical arranged
There are multiple legs 12 for being used to install blower fan drainage hood, multiple legs 12 are radially set along mounting ring 9, on multiple legs 12
Offer mounting hole 13.Blower fan drainage hood is fixedly connected by leg 12 with protecgulum, enhances the Stability Analysis of Structures of blower fan drainage hood
Property.
As shown in figure 5, when mounted, bearing is loaded in annular groove 3, end face and the bottom wall of annular groove 3 in the paraxial hole 2 of Bearing support
Between form the lubricant reservoir 15 for accommodating lubricating oil, in the removal hole 4 installation prevent the sealed screw of oil leak, axle
The sealing ring 14 coordinated with machine shaft is installed, sealing ring 14 is used to prevent oil leak, in lubricant reservoir 15 in hole 2
Lubricating oil is lubricated to bearing, improves the service life of bearing, reduces maintenance frequency.
Working principle and beneficial effect of the present utility model is as follows：
When needing to dismantle sealed bearings when maintenance, lid 1 is pulled down, lid 1 is fixed on stationary fixture, pulls down dismounting
Sealed screw in hole 4.The installation bolt in each removal hole 4, by rotating multiple bolts, bolt is towards the lateral movement of bearing one
So as to which bearing be ejected, bearing is ejected using bolt, makes shaft strength stable, it is small to the impulsive force of bearing, further reduce and tear open
The possibility of bearing damage when unloading；4 symmetrical spaced set of removal hole, when ejecting bearing, shaft strength is uniform, reduces dismounting
When bearing deformation possibility.The boss 7 and reinforcement 8 of the both ends of the surface of lid 1 are arranged at, enhances the lid 1 after opening up counterbore 6
Structural strength, when dismantling bearing, improve lid 1 and bear the ability of load, the possibility that lid 1 deforms when reducing dismounting bearing
Property, and then avoid bearing that extruding occurs with lid 1 in dismounting and cause deformation.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (9)
1. a kind of piston compressor protecgulum, including circular lid（1）, the lid（1）Axis hole is offered along its axial direction（2）,
The lid（1）Inner face is around the axis hole（2）It is circumferentially provided with the annular groove for installing bearing（3）, it is characterised in that：It is described
Annular groove（3）Bottom wall on along the axis hole（2）Be circumferentially provided with and multiple be used to dismantle the removal holes of bearing（4）.
2. piston compressor protecgulum according to claim 1, it is characterised in that：The removal hole（4）Inwall is provided with
Screw thread（5）.
3. piston compressor protecgulum according to claim 1, it is characterised in that：The removal hole（4）Along the axis hole
（2）Circumferential spaced set be two.
4. piston compressor protecgulum according to claim 1, it is characterised in that：The annular groove（3）Along between its outer wall etc.
Away from being provided with multiple reinforcements（8）, multiple reinforcements（8）Along the lid（1）Radial distribution.
5. piston compressor protecgulum according to claim 4, it is characterised in that：The lid（1）Outer face is along described
Lid（1）Circumferential spaced set has multiple counterbores（6）, multiple counterbores（6）Intersection forms boss（7）, the boss
（7）With the reinforcement（8）It is oppositely arranged.
6. piston compressor protecgulum according to claim 4, it is characterised in that：The lid（1）The week side of boss is provided with peace
Fill ring（9）, the mounting ring（9）Protrusion and the lid（1）Inner face, the mounting ring（9）Circumferentially equidistantly set along it
It is equipped with multiple bolts hole（10）.
7. piston compressor protecgulum according to claim 6, it is characterised in that：The mounting ring（9）The week side of boss is symmetrically set
It is equipped with multiple legs for being used to install blower fan drainage hood（12）, multiple legs（12）Along the mounting ring（9）Radially
Set, multiple legs（12）On offer mounting hole（13）.
8. piston compressor protecgulum according to claim 6, it is characterised in that：The lid（1）Set on inner face
There is the seal groove for installing sealing ring（11）, the seal groove（11）Positioned at the mounting ring（9）With the reinforcement（8）It
Between.
9. piston compressor protecgulum according to claim 6, it is characterised in that：The annular groove（3）Bottom wall and the axle
It is bearing on paraxial hole（2）End face between form the lubricant reservoir for accommodating lubricating oil（15）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720890652.6U CN207093336U (en) | 2017-07-21 | 2017-07-21 | A kind of piston compressor protecgulum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720890652.6U CN207093336U (en) | 2017-07-21 | 2017-07-21 | A kind of piston compressor protecgulum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207093336U true CN207093336U (en) | 2018-03-13 |
Family
ID=61545713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720890652.6U Active CN207093336U (en) | 2017-07-21 | 2017-07-21 | A kind of piston compressor protecgulum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207093336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441774A (en) * | 2018-11-27 | 2019-03-08 | 苏州中成新能源科技股份有限公司 | A kind of light-weighted automotive air conditioner compressor front cover |
-
2017
- 2017-07-21 CN CN201720890652.6U patent/CN207093336U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441774A (en) * | 2018-11-27 | 2019-03-08 | 苏州中成新能源科技股份有限公司 | A kind of light-weighted automotive air conditioner compressor front cover |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201100 No. 100, Lane 2868, Sanlu Road, Pujiang Town, Minhang District, Shanghai Patentee after: Shanghai Yusheng Compression Machinery Co.,Ltd. Address before: 201100 No. 100, Lane 2868, Sanlu Road, Pujiang Town, Minhang District, Shanghai Patentee before: SHANGHAI YUSHENG COMPRESSION MACHINERY CO.,LTD. |