CN209586668U - A kind of rear cover of the monoblock type crescent gear pump pump housing - Google Patents
A kind of rear cover of the monoblock type crescent gear pump pump housing Download PDFInfo
- Publication number
- CN209586668U CN209586668U CN201920073575.4U CN201920073575U CN209586668U CN 209586668 U CN209586668 U CN 209586668U CN 201920073575 U CN201920073575 U CN 201920073575U CN 209586668 U CN209586668 U CN 209586668U
- Authority
- CN
- China
- Prior art keywords
- gear pump
- side wall
- back shroud
- sealing ring
- screw hole
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Abstract
The utility model discloses a kind of rear covers of monoblock type crescent gear pump pump housing, including back shroud, sealing ring and positioning column, the one side wall of the back shroud offers active shaft mounting hole and driven shaft mounting hole respectively, sealing ring is provided on the outside of the active shaft mounting hole and driven shaft mounting hole, the one side wall of the sealing ring is fixedly connected with the one side wall of back shroud.Fixed there are four positioning columns by the one side wall in back shroud for the utility model, locating slot there are four being opened up in the one side wall of gear pump main body, so after mounting cover board when, positioning column is inserted into corresponding locating slot, the first screw hole of back shroud and the second screw hole of gear pump main body can be made to be mutually aligned, consequently facilitating improving the installation effectiveness of worker, sealing ring is fixed with by the one side wall in back shroud, the outer sheath of sealing ring is equipped with rubber sleeve, seal groove is offered in the one side wall of gear pump main body, so as to improve the leakproofness between back shroud and gear pump main body.
Description
Technical field
The utility model relates to gear pump equipment technical field, after specially a kind of monoblock type crescent gear pump pump housing
Lid.
Background technique
Gear pump uses more universal in daily life, and gear pump is to rely on to be formed by between pumping cylinder and meshing gear
Swept volume variation and movement form two by two gears, the pump housing and front and rear covers to convey liquid or be allowed to the drum pump being pressurized
A enclosure space, when gear rotation, the volume in the space for the side that is out of gear becomes larger from small, forms vacuum, draws liquid into, tooth
The volume in the space of engagement side is taken turns from becoming smaller greatly, and liquid is squeezed into pipeline, suction chamber and discharge chamber are to lean on two gears
Path of contact come what is separated, the pressure of the outlet of gear pump depends entirely on the size of resistance at pump discharge.
But the rear cover of gear pump body is not easy to install at present, worker needs the screw hole of rear cover and the screw of the pump housing
After the alignment of hole, screw can be just screwed in, in alignment, operation is more troublesome, so that the installation effectiveness of worker is influenced, and current
The leakproofness of gear pump body and rear cover is poor, cannot normally work so as to cause gear pump, therefore we have proposed one kind
The rear cover of the monoblock type crescent gear pump pump housing solves the above problems.
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 rear cover of monoblock type crescent gear pump pump housing,
It is poor to solve the problems, such as that the rear cover of existing gear pump body is not easy to leakproofness between installation and rear cover and the pump housing.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of monoblock type crescent gear pump pump housing
Rear cover, including back shroud, sealing ring and positioning column, the one side wall of the back shroud offer respectively active shaft mounting hole and from
Moving axis mounting hole is provided with sealing ring, the side of the sealing ring on the outside of the active shaft mounting hole and driven shaft mounting hole
Wall is fixedly connected with the one side wall of back shroud, and the side of the back shroud is provided with gear pump main body, the gear pump main body
One side wall offers seal groove, and the sealing ring is arranged in seal groove, is symmetrically arranged with positioning column on the outside of the sealing ring,
One end of the positioning column is fixedly connected with the one side wall of back shroud, and the one side wall of the gear pump main body symmetrically offers fixed
Position slot, the positioning column are separately positioned in corresponding locating slot, and the one side wall of the back shroud symmetrically offers the first spiral shell
Nail hole, the one side wall of the gear pump main body symmetrically offer the second screw hole, and first screw hole and the second screw hole are equal
It is fixedly connected by screw.
Advanced optimize the technical program, the quantity of the locating slot and positioning column is four, and the position of locating slot
Setting is corresponded to each other with the position of positioning column, the locating slot and positioning column cooperate.
The technical program is advanced optimized, the material of the back shroud is steel, and surface is coated with anti-decaying paint.
The technical program is advanced optimized, rubber sleeve is arranged in the lateral wall of the sealing ring.
Advanced optimize the technical program, the quantity of first screw hole and the second screw hole is four, and first
The position of screw hole corresponds to each other setting with the position of the second screw hole.
The technical program is advanced optimized, the shape of the seal groove is annular, and seal groove and sealing ring cooperate.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of rear cover of monoblock type crescent gear pump pump housing, has
Below the utility model has the advantages that
The rear cover of the monoblock type crescent gear pump pump housing is fixed by the one side wall in back shroud there are four positioning column,
Open up in the one side wall of gear pump main body there are four locating slot, thus after mounting cover board when, positioning column is inserted into corresponding
Locating slot in, the first screw hole of back shroud and the second screw hole of gear pump main body can be made to be mutually aligned, consequently facilitating
The installation effectiveness for improving worker is fixed with sealing ring by the one side wall in back shroud, and the outer sheath of sealing ring is equipped with rubber sleeve,
Seal groove is offered in the one side wall of gear pump main body, so as to improve the leakproofness between back shroud and gear pump main body.
Detailed description of the invention
Fig. 1 is the attachment structure schematic diagram of the utility model back shroud and gear pump main body；
Fig. 2 is the utility model rear cover plate structure schematic diagram.
In figure: 1, back shroud；2, active shaft mounting hole；3, driven shaft mounting hole；4, sealing ring；5, gear pump main body；6,
Seal groove；7, positioning column；8, locating slot；9, the first screw hole；10, the second screw hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: after a kind of monoblock type crescent gear pump pump housing
Lid, including back shroud 1, sealing ring 4 and positioning column 7, the one side wall of back shroud 1 offer active shaft mounting hole 2 and driven respectively
The outside of shaft mounting hole 3, active shaft mounting hole 2 and driven shaft mounting hole 3 is provided with sealing ring 4, and the one side wall of sealing ring 4 is with after
The one side wall of cover board 1 is fixedly connected, and the side of back shroud 1 is provided with gear pump main body 5, and the one side wall of gear pump main body 5 opens up
There is seal groove 6, sealing ring 4 is arranged in seal groove 6, and the outside of sealing ring 4 is symmetrically arranged with positioning column 7, one end of positioning column 7
It is fixedly connected with the one side wall of back shroud 1, the one side wall of gear pump main body 5 symmetrically offers locating slot 8, and positioning column 7 is distinguished
It is arranged in corresponding locating slot 8, the one side wall of back shroud 1 symmetrically offers the first screw hole 9, and the one of gear pump main body 5
Sidewall symmetry offers the second screw hole 10, and the first screw hole 9 is fixedly connected by screw with the second screw hole 10, by
The one side wall of back shroud 1 is fixed there are four positioning column 7, opens up that there are four locating slots 8 in the one side wall of gear pump main body 5, so
After mounting when cover board 1, positioning column 7 is inserted into corresponding locating slot 8, can make the first screw hole 9 of back shroud 1 with
Second screw hole 10 of gear pump main body 5 is mutually aligned, consequently facilitating the installation effectiveness of worker is improved, by back shroud 1
One side wall is fixed with sealing ring 4, and the outer sheath of sealing ring 4 is equipped with rubber sleeve, offers sealing in the one side wall of gear pump main body 5
Slot 6, so as to improve the leakproofness between back shroud 1 and gear pump main body 5.
Specifically, the quantity of locating slot 8 and positioning column 7 is four, and the position of the position of locating slot 8 and positioning column 7
Setting is corresponded to each other, the locating slot 8 cooperates with positioning column 7, is inserted into corresponding locating slot 8 convenient for positioning column 7.
Specifically, the material of back shroud 1 is steel, and surface is coated with anti-decaying paint, and structural strength is higher, and corrosion-resistant, thus
Convenient for being used for a long time.
Specifically, rubber sleeve is arranged in the lateral wall of sealing ring 4, convenient for enhancing leakproofness.
Specifically, the quantity of the first screw hole 9 and the second screw hole 10 is four, and the position of the first screw hole 9 with
The position of second screw hole 10 corresponds to each other setting, convenient for back shroud 1 and gear pump main body 5 are linked together by screw.
Specifically, the shape of seal groove 6 is annular, and seal groove 6 and sealing ring 4 cooperate, and are inserted into convenient for sealing ring 4
Into seal groove 6.
During installation, the positioning column 7 of back shroud 1 is inserted into the corresponding locating slot 8 of gear pump main body 5, thus
The first screw hole 9 of back shroud 1 and the second screw hole 10 of gear pump main body 5 can be made to be mutually aligned, work can be saved in this way
The time of people's device to hole, consequently facilitating improving the installation effectiveness of worker, and by being fixed with sealing ring 4, sealing ring on back shroud 1
4 outer sheath is equipped with rubber sleeve, seal groove 6 is offered in the one side wall of gear pump main body 5, so helping to improve back shroud 1
With the leakproofness between gear pump main body 5.
In conclusion the rear cover of the monoblock type crescent gear pump pump housing, by being fixed with four in the one side wall of back shroud 1
A positioning column 7 is opened up in the one side wall of gear pump main body 5 there are four locating slot 8, thus after mounting cover board 1 when, positioning column
7 are inserted into corresponding locating slot 8, can make the second screw hole of the first screw hole 9 and gear pump main body 5 of back shroud 1
10 are mutually aligned, consequently facilitating improving the installation effectiveness of worker, by being fixed with sealing ring 4 in the one side wall of back shroud 1, seal
The outer sheath of ring 4 is equipped with rubber sleeve, seal groove 6 is offered in the one side wall of gear pump main body 5, so as to improve back shroud 1
With the leakproofness between gear pump main body 5.
It should be noted that, in this document, 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 including 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.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of rear cover of the monoblock type crescent gear pump pump housing, including back shroud (1), sealing ring (4) and positioning column (7),
Be characterized in that: the one side wall of the back shroud (1) offers active shaft mounting hole (2) and driven shaft mounting hole (3) respectively, described
Be provided with sealing ring (4) on the outside of active shaft mounting hole (2) and driven shaft mounting hole (3), the one side wall of the sealing ring (4) with
The one side wall of back shroud (1) is fixedly connected, and the side of the back shroud (1) is provided with gear pump main body (5), the gear pump master
The one side wall of body (5) offers seal groove (6), and sealing ring (4) setting is in seal groove (6), outside the sealing ring (4)
Side is symmetrically arranged with positioning column (7), and one end of the positioning column (7) is fixedly connected with the one side wall of back shroud (1), the tooth
The one side wall of wheel pump main body (5) symmetrically offers locating slot (8), and the positioning column (7) is separately positioned on corresponding locating slot
(8) in, the one side wall of the back shroud (1) is symmetrically offered the first screw hole (9), the one side wall of the gear pump main body (5)
It symmetrically offers the second screw hole (10), first screw hole (9) is fixedly connected by screw with the second screw hole (10).
2. a kind of rear cover of monoblock type crescent gear pump pump housing according to claim 1, it is characterised in that: the positioning
The quantity of slot (8) and positioning column (7) is four, and the position of locating slot (8) corresponds to each other with the position of positioning column (7) and sets
It sets, the locating slot (8) and positioning column (7) cooperate.
3. a kind of rear cover of monoblock type crescent gear pump pump housing according to claim 1, it is characterised in that: the rear cover
The material of plate (1) is steel, and surface is coated with anti-decaying paint.
4. a kind of rear cover of monoblock type crescent gear pump pump housing according to claim 1, it is characterised in that: the sealing
Rubber sleeve is arranged in the lateral wall of ring (4).
5. a kind of rear cover of monoblock type crescent gear pump pump housing according to claim 1, it is characterised in that: described first
The quantity of screw hole (9) and the second screw hole (10) is four, and the position of the first screw hole (9) and the second screw hole (10)
Position correspond to each other setting.
6. a kind of rear cover of monoblock type crescent gear pump pump housing according to claim 1, it is characterised in that: the sealing
The shape of slot (6) is annular, and seal groove (6) and sealing ring (4) cooperate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920073575.4U CN209586668U (en) | 2019-01-16 | 2019-01-16 | A kind of rear cover of the monoblock type crescent gear pump pump housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920073575.4U CN209586668U (en) | 2019-01-16 | 2019-01-16 | A kind of rear cover of the monoblock type crescent gear pump pump housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209586668U true CN209586668U (en) | 2019-11-05 |
Family
ID=68352736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920073575.4U Expired - Fee Related CN209586668U (en) | 2019-01-16 | 2019-01-16 | A kind of rear cover of the monoblock type crescent gear pump pump housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209586668U (en) |
-
2019
- 2019-01-16 CN CN201920073575.4U patent/CN209586668U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |