CN207750237U - A kind of locating piece for pump housing threaded rod shaft end - Google Patents
A kind of locating piece for pump housing threaded rod shaft end Download PDFInfo
- Publication number
- CN207750237U CN207750237U CN201820058180.2U CN201820058180U CN207750237U CN 207750237 U CN207750237 U CN 207750237U CN 201820058180 U CN201820058180 U CN 201820058180U CN 207750237 U CN207750237 U CN 207750237U
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- CN
- China
- Prior art keywords
- locating piece
- mounting hole
- piston bush
- pump housing
- threaded rod
- 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 locating piece for pump housing threaded rod shaft end, including inlet end locating piece and exhaust end locating piece, inlet end locating piece and exhaust end locating piece are separately positioned on the both ends of screw shaft, exhaust end locating piece includes positioning step, axle envelope mounting hole, piston bush mounting hole, bolt fixing groove and cooling-water duct, step is arranged on the hole wall of axle envelope mounting hole, axle envelope mounting hole and piston bush mounting hole are concentric, bolt fixing groove is covered for fixed block to be fixed on inlet end, air inlet end cap is connected to the both ends of pump chamber, cooling-water duct is arranged on the hole wall of the surrounding of piston bush mounting hole.The embodiment of the utility model makes the assembly of the pump housing more convenient, improves the assembly precision of pump, is operated convenient for later period maintenance, convenient for cooling pump body temperature, improves performance and the service life of pump.
Description
Technical field
The utility model is related to screw vacuum pump technical fields, and in particular to a kind of positioning for pump housing threaded rod shaft end
Block.
Background technology
Currently, screw vacuum pump is widely used in all trades and professions, the screw rod of vacuum pump plays the purpose of compressed air, screw rod
The fixed block for close-fitting end cap of two axial ends not only acts as screw rod the effect of position limiting sealed, moreover it is possible to play the work of modification pump chamber
With the positioning block structure in existing many screw vacuum pumps is simple, not can be well protected the pump housing, can not play close well
Envelope and guide functions, so that the working efficiency of the pump housing is low, power can not improve.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of locating piece for pump housing threaded rod shaft end, overcomes
The deficiencies in the prior art so that the assembly of the pump housing is more convenient, improves the assembly precision of pump, operates, is convenient for convenient for later period maintenance
Cooling pump body temperature, improves performance and the service life of pump.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs：
A kind of locating piece for pump housing threaded rod shaft end, including inlet end locating piece and exhaust end locating piece, the air inlet
End locating piece and exhaust end locating piece are separately positioned on the both ends of screw shaft, and the exhaust end locating piece includes positioning step, axis
Seal installation hole, piston bush mounting hole, bolt fixing groove and cooling-water duct, step are arranged on the hole wall of axle envelope mounting hole, institute
It states axle envelope mounting hole and piston bush mounting hole is concentric, the bolt fixing groove is covered for fixed block to be fixed on inlet end,
The air inlet end cap is connected to the both ends of pump chamber, and the cooling-water duct is arranged on the hole wall of the surrounding of piston bush mounting hole.
It is separately installed in the exhaust end locating piece and the axle envelope mounting hole and piston bush mounting hole of inlet end locating piece
Axle envelope and piston bush.
Be both provided between the piston bush and exhaust end locating piece and piston bush and inlet end locating piece sealing ring and
Oil-scraping ring.
The lower end of the exhaust end locating piece is provided with the coolant liquid water inlet of L-type.
The bolt fixing groove is T-bolt fixing groove, and caulking gum washer and spring washer are provided in bolt fixing groove.
(3) advantageous effect
The utility model embodiment provides a kind of locating piece for pump housing threaded rod shaft end.Has following advantageous effect：
Using the mounting means of locating piece, to be assembled using positioning pin compared with traditional, rigging error can be reduced so that assembly is simple,
Convenient for later repair, it is conveniently replaceable vulnerable part axle sleeve or piston bush and bearing, cooling water is connected to by cooling-water duct, it can
It is quickly reduced so that exhaust end is stablized, assembly precision higher is also possible that using locating piece is installed additional.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the assembling schematic diagram of the locating piece for pump housing threaded rod shaft end described in the utility model；
Fig. 2 is the structural schematic diagram of the locating piece described in the utility model for pump housing threaded rod shaft end.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts belong to
The range of the utility model protection.
Refering to fig. 1 to shown in Fig. 2, the utility model provides a kind of locating piece for pump housing threaded rod shaft end, including air inlet
Locating piece 1 and exhaust end locating piece 2, inlet end locating piece 1 and exhaust end locating piece 2 is held to be separately positioned on the both ends of screw shaft 3,
Exhaust end locating piece 2 includes positioning step 21, axle envelope mounting hole 22, piston bush mounting hole 23, bolt fixing groove 24 and cooling water
Channel 25, step 21 are arranged on the hole wall of axle envelope mounting hole 22, and axle envelope mounting hole 22 and piston bush mounting hole 23 are concentric, spiral shell
Bolt fixing groove 24 is covered for fixed block to be fixed on inlet end, and air inlet end cap is connected to the both ends of pump chamber, cooling-water duct 25
It is arranged on the hole wall of the surrounding of piston bush mounting hole 23.
Preferably, exhaust end locating piece 2 and difference in the axle envelope mounting hole and piston bush mounting hole 23 of inlet end locating piece 1
Axle envelope 4 and piston bush 5 are installed, the service life of exhaust end locating piece 2 and inlet end locating piece 1, and energy can be increased in this way
Enough wearabilities increased between screw shaft；Piston bush 5 and exhaust end locating piece 2 and piston bush 5 and inlet end locating piece 1 it
Between be both provided with sealing ring and oil-scraping ring 26, the sealing performance of pump chamber can be made to increase in this way；The lower end of exhaust end locating piece 2
It is provided with the coolant liquid water inlet 27 of L-type, coolant liquid is facilitated to be entered in exhaust end locating piece 2 from lower end, reduces delivery temperature；
Bolt fixing groove 24 is T-bolt fixing groove, and caulking gum washer and spring washer is provided in bolt fixing groove 24, in this way can be with
The space for increasing pump chamber, facilitates the arrangement of pump chamber, and can increase the sealing performance at bolt fixing groove.
Using the mounting means of locating piece, is assembled using positioning pin compared with traditional, rigging error can be reduced so that dress
With simple, it is convenient for later repair, is conveniently replaceable vulnerable part axle sleeve or piston bush and bearing, is connected to by cooling-water duct cold
But water can make exhaust end is stablized quickly to reduce, and assembly precision higher is also possible that using locating piece is installed additional.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to aforementioned reality
Example is applied the utility model is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modification or replacement, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (5)
1. a kind of locating piece for pump housing threaded rod shaft end, including inlet end locating piece and exhaust end locating piece, the inlet end
Locating piece and exhaust end locating piece are separately positioned on the both ends of screw shaft, it is characterised in that：The exhaust end locating piece includes fixed
Position step, axle envelope mounting hole, piston bush mounting hole, bolt fixing groove and cooling-water duct, step are arranged in axle envelope mounting hole
On hole wall, the axle envelope mounting hole and piston bush mounting hole are concentric, the bolt fixing groove be used for by fixed block be fixed on into
On gas end cap, the air inlet end cap is connected to the both ends of pump chamber, and the surrounding in piston bush mounting hole is arranged in the cooling-water duct
Hole wall on.
2. being used for the locating piece of pump housing threaded rod shaft end as described in claim 1, it is characterised in that：The exhaust end locating piece with
It is separately installed with axle envelope and piston bush in the axle envelope mounting hole and piston bush mounting hole of inlet end locating piece.
3. being used for the locating piece of pump housing threaded rod shaft end as claimed in claim 2, it is characterised in that：The piston bush and exhaust end
It is both provided with sealing ring and oil-scraping ring between locating piece and piston bush and inlet end locating piece.
4. being used for the locating piece of pump housing threaded rod shaft end as described in claim 1, it is characterised in that：The exhaust end locating piece
Lower end is provided with the coolant liquid water inlet of L-type.
5. being used for the locating piece of pump housing threaded rod shaft end as described in claim 1, it is characterised in that：The bolt fixing groove is T
Type bolt fixing groove, and caulking gum washer and spring washer are provided in bolt fixing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820058180.2U CN207750237U (en) | 2018-01-15 | 2018-01-15 | A kind of locating piece for pump housing threaded rod shaft end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820058180.2U CN207750237U (en) | 2018-01-15 | 2018-01-15 | A kind of locating piece for pump housing threaded rod shaft end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207750237U true CN207750237U (en) | 2018-08-21 |
Family
ID=63151626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820058180.2U Active CN207750237U (en) | 2018-01-15 | 2018-01-15 | A kind of locating piece for pump housing threaded rod shaft end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207750237U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116498552A (en) * | 2023-06-21 | 2023-07-28 | 泉州市中力机电有限公司 | Screw air compressor and cooling structure thereof |
-
2018
- 2018-01-15 CN CN201820058180.2U patent/CN207750237U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116498552A (en) * | 2023-06-21 | 2023-07-28 | 泉州市中力机电有限公司 | Screw air compressor and cooling structure thereof |
| CN116498552B (en) * | 2023-06-21 | 2023-09-08 | 泉州市中力机电有限公司 | Screw air compressor and cooling structure thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230605 Address after: No. 66, Jingyi Road, Economic Development Zone, Quanjiao County, Chuzhou City, Anhui Province 239500 Patentee after: Anhui Gaopeng Mechanical Equipment Co.,Ltd. Address before: 239500 Quanjiao Economic Development Zone, Anhui, Chuzhou Patentee before: ANHUI GAOPENG VACUUM EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |