CN208982230U - A kind of heat preservation plunger type metering pump - Google Patents
A kind of heat preservation plunger type metering pump Download PDFInfo
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- CN208982230U CN208982230U CN201821843346.8U CN201821843346U CN208982230U CN 208982230 U CN208982230 U CN 208982230U CN 201821843346 U CN201821843346 U CN 201821843346U CN 208982230 U CN208982230 U CN 208982230U
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Abstract
The utility model discloses a kind of heat preservation plunger type metering pumps, including plunger, valve group group trap and pump head, pump head is tubular structure, cavity is set in pump head, the welding of pump head left end is provided with filler chamber, it is connected to inside filler chamber and pump head, plunger activity is equipped in filler chamber, valve group group trap is equipped in pump head, pump head right wall lower part is provided with and communicated with feed inlet, pump head upper wall is provided with and communicated with discharge port, insulating interlayer is equipped in pump head, insulating interlayer lower part is provided with and communicated with thermal insulation medium import, insulating interlayer right upper portion is provided with and communicated with thermal insulation medium outlet；Valve group combination set upper side two sides, which are symmetrically embedded in, is provided with dismounting threaded hole, dismounts flexible connection on threaded hole and is provided with dismounting pull ring.The Standard of the utility model is simple, easy to disassemble to safeguard and damage components, while keeping the temperature stable and uniform in use, easy to use.
Description
Technical field
The utility model relates to plunger type metering pump, specifically a kind of heat preservation plunger type metering pump.
Background technique
The operation of plunger type metering pump is to move to complete by piston reciprocation.In this way, plunger is under the cooperation of check valve
Imbibition drain work can be completed, the stroke frequency working range of this pump is wide.Based on this principle, plunger type metering pump can be with
The medium that transport viscosity is big, temperature is high.
In the prior art, the terminal valve of plunger type metering pump is together with inlet and outlet flanged joint, when there is check valve
When needing to clean or replace, the pipeline valve pump inlet and outlet is needed all to remove, disassembly is inconvenient, heavy workload, maintenance
Difficulty, and in use, general heat preserving method heating effect is bad, and heating is uneven, thus in use there are
Limitation.
Utility model content
The purpose of this utility model is to provide a kind of heat preservation plunger type metering pumps, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions:
A kind of heat preservation plunger type metering pump, including plunger, valve group group trap and pump head, the pump head are tubular structure, institute
It states and sets cavity in pump head, the pump head left end welding is provided with filler chamber, is connected to inside the filler chamber and the pump head, described
Plunger activity is equipped in filler chamber, and valve group group trap is equipped in the pump head, and pump head right wall lower part connects
Logical to be provided with feed inlet, the pump head upper wall is provided with and communicated with discharge port, is equipped with insulating interlayer, the thermal insulation separation in the pump head
Layer lower part is provided with and communicated with thermal insulation medium import, and the insulating interlayer right upper portion is provided with and communicated with thermal insulation medium outlet；It is described
Valve group combination set upper side two sides, which are symmetrically embedded in, is provided with dismounting threaded hole, is flexibly connected on the dismounting threaded hole and is provided with dismounting
Pull ring.
As a further solution of the present invention: the plunger left end is connected with metering pump driving end, the filler chamber
End is provided with clamp nut by being threadedly engaged flexible connection, and the clamp nut is located at the plunger periphery, the filler
Room inner wall at end is equipped with groove, and the socket of groove left end is provided with gland, airtight and watertight padding, institute have been filled in the groove
Airtight and watertight padding both ends are stated equipped with packing ring, the packing ring is sheathed on the plunger periphery, the gland, the packing ring
It is slidably matched with the plunger with the airtight and watertight padding, periphery is arranged with connector, the connector in the middle part of the filler chamber
Inside is compressed by being threadedly engaged fixed fastening nut cooperation with the filler chamber.
It is slidably matched as a further solution of the present invention: setting cavity in the valve group group trap and the pump head,
It is connected on the left of the valve group group trap with filler chamber's right end, the valve group group trap periphery upper, middle and lower portion is arranged respectively
There are tetrafluoro rubber o-ring, the 5th fluororubber O shape circle and hexafluoro rubber o-ring, lower part assembly is provided in valve group group trap
Second valve seat, second valve seat lower end periphery are arranged with third fluororubber O shape circle, the third fluororubber O shape circle and described
Valve group group trap inner wall activity fitting setting, the fitting of second valve seat upper end are provided with the second valve ball, the valve group group trap
Middle part installation settings has the second valve limitation set, and the second valve limitation set is fixed in the middle part of the valve group group trap, described
The middle part perforation setting of second valve limitation set, the second valve limitation set periphery are arranged with the second fluororubber O shape circle, second fluorine
Rubber o-ring and valve group group trap inner wall activity fitting setting, the valve group group trap inner wall are located at second valve limit
The top assembly of system set is provided with the first valve seat, and the fitting of first valve seat upper end is provided with the first valve ball, the valve group group trap
Internal upper part assembly is provided with the first valve limitation set, and first valve limitation set periphery is arranged with the first fluororubber O shape circle, and described the
One fluororubber O shape circle and valve group group trap inner wall activity fitting setting, the valve group combination set upper side is by being threadedly engaged
Flexible connection is provided with valve group gland, and valve group gland lower end and first valve limitation set upper side compress fitting.
As a further solution of the present invention: the insulating interlayer is for the section in the pump head side wall
" u "-shaped cavity, the thermal insulation medium outlet are connected to through the pump head side wall with the insulating interlayer, the thermal insulation medium import
It is connected to through the pump head side wall with the insulating interlayer.
As a further solution of the present invention: the dismounting pull ring and the dismounting threaded hole are by being threadedly engaged work
Dynamic connection.
As a further solution of the present invention: the feed inlet is connected to second valve seat lower part, the discharging
Mouth is connected to first valve seat top.
Compared with prior art, the utility model has the beneficial effects that plunger is under the drive of metering pump driving end when using
It moves back and forth, when plunger moves downward, forms negative pressure above the second valve ball, the second valve ball moves upwards, at this time external big
Under gas pressure, the first valve ball blocks downwards the first valve seat, and medium is entered by feed inlet；When plunger moves right, second
Valve ball blocks downwards the second valve seat, and medium jacks up the first valve ball upwards, so that medium is discharged by discharge port；In the flowing of medium
In the process, thermal insulation medium being imported by thermal insulation medium import, thermal insulation medium, which is constantly injected and exported from thermal insulation medium, to be discharged, thus
Reach excellent keeping warm mode in continuous thermal insulation medium circulation；In assembly, after opening valve group gland, dismounting pull ring is led to
It crosses to be threadedly engaged and be connected on dismounting threaded hole, by dismounting pull ring and dismount the cooperation of threaded hole for valve group group trap from pump head
Middle taking-up, valve group combination cover upper each section connector can activity remove, such design is more convenient for safeguarding and be repaired, and
Dismounting pipeline valve is not needed, does not damage and destroy part, device performance is more stable, effectively improves service life.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for keeping the temperature plunger type metering pump.
Fig. 2 is a kind of schematic cross-sectional view for keeping the temperature pump head in plunger type metering pump.
Fig. 3 is the structural schematic diagram of the amplification of B area in pump head shown in Fig. 2.
Fig. 4 is a kind of structural schematic diagram for keeping the temperature and dismounting pull ring in plunger type metering pump.
In figure: 1- plunger, 2- clamp nut, 3- gland, 4- packing ring, 5- airtight and watertight padding, 6- fastening nut, 7- valve
Group gland, the first fluororubber O-type ring of 8-, the first valve of 9- limitation set, the first valve ball of 10-, the first valve seat of 11-, the second fluorubber of 12-
O-ring, the second valve of 13- limitation set, the second valve ball of 14-, the second valve seat of 15-, 16- valve group group trap, 17- insulating interlayer, 18- the
Three fluororubber O-type rings, 19- connector, 20- pump head, 21- feed inlet, 22- discharge port, the outlet of 23- thermal insulation medium, 24- heat preservation are situated between
Matter import, 25- dismount threaded hole, and 26- dismounts pull ring, the 4th fluororubber O-type ring of 27-, the 5th fluororubber O-type ring of 28-, 29- the
Hexafluoro rubber o-ring.
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.
Embodiment 1
Referring to Fig. 1, in the utility model embodiment, a kind of heat preservation plunger type metering pump, including plunger 1 and pump head 20,
The pump head 20 is tubular structure, cavity is set in the pump head 20,20 left end of the pump head welding is provided with filler chamber, described to fill out
It is connected to inside material room and the pump head 20,1 activity of plunger is equipped in filler chamber, 1 left end of plunger and metering
Pump drive end is connected, and the filler chamber end is provided with clamp nut 2, the clamp nut 2 by being threadedly engaged flexible connection
Positioned at 1 periphery of plunger, filler chamber's inner wall at end is equipped with groove, and the socket of groove left end is provided with gland 3, described
Airtight and watertight padding 5 is filled in groove, 5 both ends of airtight and watertight padding are equipped with packing ring 4, and the packing ring 4 is sheathed on described
1 periphery of plunger, the gland 3, the packing ring 4 and the airtight and watertight padding 5 are slidably matched with the plunger 1, described
Periphery is arranged with connector 19 in the middle part of filler chamber, and 19 inside of connector is fixed tight by being threadedly engaged with the filler chamber
Gu the cooperation of nut 6 compresses.
It is equipped with valve group group trap 16 in the pump head 20, sets sky in the valve group group trap 16 and the pump head 20
Chamber is slidably matched, and 16 left side of valve group group trap is connected with filler chamber's right end, placed outside the valve group group trap 16,
In, lower part be arranged with tetrafluoro rubber o-ring 27, the 5th fluororubber O shape circle 28 and hexafluoro rubber o-ring 29, valve group respectively
Lower part assembly is provided with the second valve seat 15 in group trap 16, and the 15 lower end periphery of the second valve seat is arranged with third fluororubber O shape
Circle 18, the third fluororubber O shape circle 18 and the 16 inner wall activity of valve group group trap fitting are arranged, on second valve seat 15
End fitting is provided with the second valve ball 14, and the 16 middle part installation settings of valve group group trap has the limitation of the second valve to cover 13, described second
Valve limitation set 13 is fixed on 16 middle part of valve group group trap, and the 13 middle part perforation setting of the second valve limitation set is described
Second valve limitation set, 13 peripheries are arranged with the second fluororubber O shape circle 12, the second fluororubber O shape circle 12 and valve group combination
16 inner wall activities fitting setting is covered, 16 inner wall of valve group group trap is located at second valve limitation set, 13 top assembly and is provided with
First valve seat 11,11 upper end of the first valve seat fitting are provided with the first valve ball 10,16 internal upper part of the valve group group trap assembly
It is provided with the first valve limitation set 9,9 peripheries of the first valve limitation set are arranged with the first fluororubber O shape circle 8, the first fluorine rubber
Glue O-ring 8 and the 16 inner wall activity of valve group group trap fitting setting, 16 upper end of valve group group trap is by being threadedly engaged work
Dynamic to be connected with valve group gland 7,7 lower end of valve group gland and first valve limitation set, 9 upper ends compress fitting.
The 20 right wall lower part of pump head is provided with and communicated with feed inlet 21, and 20 upper wall of pump head is provided with and communicated with discharge port
22, the feed inlet 21 is connected to 15 lower part of the second valve seat, and the discharge port 22 is connected to 11 top of the first valve seat.
Embodiment 2
Please refer to Fig. 2~4, in the utility model embodiment, a kind of heat preservation plunger type metering pump, on the basis of embodiment 1
On, insulating interlayer 17 is equipped in the pump head 20, the insulating interlayer 17 is that the section in 20 side wall of pump head is " U "
Shape cavity, 17 right upper portion of insulating interlayer are provided with and communicated with thermal insulation medium outlet 23,17 lower part of the insulating interlayer connection
It is provided with thermal insulation medium import 24, the thermal insulation medium outlet 23 connects through 20 side wall of pump head and the insulating interlayer 17
Logical, the thermal insulation medium import 24 is connected to through 20 side wall of pump head with the insulating interlayer 17.
The 16 upper end two sides of valve group group trap, which are symmetrically embedded in, is provided with dismounting threaded hole 25, on the dismounting threaded hole 25
Flexible connection is provided with dismounting pull ring 26, the dismounting pull ring 26 and the dismounting threaded hole 25 by being threadedly engaged activity even
It connects.
The working principle of the utility model is: plunger 1 moves back and forth under retractable driving device drive when use, work as plunger
1 when moving downward, and forms negative pressure above the second valve ball 14, and the second valve ball 14 moves upwards, at this time under external pressure effect,
First valve ball 10 blocks downwards the first valve seat 11, and medium is entered by feed inlet 21；When plunger 1 moves right, the second valve ball
14 block the second valve seat 15 downwards, and medium jacks up the first valve ball 10 upwards, so that medium is discharged by discharge port 22；In medium
In flow process, thermal insulation medium is imported by thermal insulation medium import 24, thermal insulation medium constantly injects and exports 23 from thermal insulation medium
Discharge, to reach excellent keeping warm mode in continuous thermal insulation medium circulation；It, will after opening valve group gland 7 in assembly
Dismounting pull ring 26 is connected on dismounting threaded hole 25 by being threadedly engaged, and passes through dismounting pull ring 26 and the cooperation for dismounting threaded hole 25
Valve group group trap 16 is taken out from pump head 20, each section connector in valve group group trap 16 can activity remove, in this way
Design be more convenient for safeguard and repair, and do not need dismounting pipeline valve, do not damage and destroy part, device performance is more steady
It is fixed, effectively improve service life.
The standardized element that the utility model uses can commercially, shaped piece according to specification and attached drawing
Record can carry out customized, the specific connection type of each part is all made of in the prior art mature bolt, rivet, weldering
Equal conventional means are connect, mechanical, part and equipment are all made of in the prior art, conventional model, in addition circuit connection is using existing
Conventional connection type in technology, this will not be detailed here.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of heat preservation plunger type metering pump, including plunger (1), valve group group trap (16) and pump head (20), the pump head (20)
For tubular structure, the pump head (20) is interior to set cavity, is equipped with valve group group trap (16), the pump in the pump head (20)
Head (20) right wall lower part is provided with and communicated with feed inlet (21), and pump head (20) upper wall is provided with and communicated with discharge port (22), special
Sign is that pump head (20) the left end welding is provided with filler chamber, is connected to inside the filler chamber and the pump head (20), described
Plunger (1) activity is equipped in filler chamber, is equipped with insulating interlayer (17) in the pump head (20), the insulating interlayer (17)
Lower part is provided with and communicated with thermal insulation medium import (24), and insulating interlayer (17) right upper portion is provided with and communicated with thermal insulation medium outlet
(23)；Valve group group trap (16) the upper end two sides, which are symmetrically embedded in, is provided with dismounting threaded hole (25), the dismounting threaded hole
(25) it is flexibly connected on and is provided with dismounting pull ring (26).
2. a kind of heat preservation plunger type metering pump according to claim 1, which is characterized in that plunger (1) left end and meter
It measures pump drive end to be connected, the filler chamber end is provided with clamp nut (2) by being threadedly engaged flexible connection, the compression spiral shell
Female (2) are located at the plunger (1) periphery, and filler chamber's inner wall at end is equipped with groove, and the socket of groove left end is provided with filler pressure
It covers (3), has been filled with airtight and watertight padding (5) in the groove, airtight and watertight padding (5) both ends are equipped with packing ring (4), described to fill out
Material ring (4) is sheathed on the plunger (1) periphery, and the gland (3), the packing ring (4) and the airtight and watertight padding (5) are equal
It is slidably matched with the plunger (1), periphery is arranged with connector (19) in the middle part of the filler chamber, logical on the inside of the connector (19)
It crosses and is threadedly engaged fixed fastening nut (6) cooperation compression with the filler chamber.
3. a kind of heat preservation plunger type metering pump according to claim 1, which is characterized in that the valve group group trap (16) and
Cavity is set in the pump head (20) to be slidably matched, and is connected on the left of the valve group group trap (16) with filler chamber's right end, institute
It states valve group group trap (16) peripheral upper, middle and lower portion and is arranged with tetrafluoro rubber o-ring (27), the 5th fluororubber O shape circle respectively
(28) it is provided with the second valve seat (15) with hexafluoro rubber o-ring (29), the interior lower part assembly of valve group group trap (16), described second
Valve seat (15) lower end periphery is arranged with third fluororubber O shape circle (18), the third fluororubber O shape circle (18) and the valve group group
Trap (16) inner wall activity fitting setting, the second valve seat (15) upper end fitting are provided with the second valve ball (14), the valve group
Installation settings has the second valve limitation set (13) in the middle part of group trap (16), and the second valve limitation set (13) is fixed on the valve
In the middle part of group group trap (16), perforation setting in the middle part of the second valve limitation set (13), the second valve limitation set (13) periphery set
Equipped with the second fluororubber O shape circle (12), the second fluororubber O shape circle (12) and valve group group trap (16) inner wall activity patch
Setting is closed, valve group group trap (16) inner wall is located at assembly above second valve limitation set (13) and is provided with the first valve seat
(11), the first valve seat (11) upper end fitting is provided with the first valve ball (10), valve group group trap (16) the internal upper part assembly
It is provided with the first valve limitation set (9), first valve limitation set (9) periphery is arranged with the first fluororubber O shape circle (8), and described the
One fluororubber O shape circle (8) and valve group group trap (16) inner wall activity fitting setting.
4. a kind of heat preservation plunger type metering pump according to claim 3, which is characterized in that the feed inlet (21) and described
The connection of second valve seat (15) lower part, the discharge port (22) are connected to the first valve seat (11) top.
5. a kind of heat preservation plunger type metering pump according to claim 3, which is characterized in that on the valve group group trap (16)
End is provided with valve group gland (7) by being threadedly engaged flexible connection, valve group gland (7) lower end and first valve limitation set
(9) upper end compresses fitting.
6. a kind of heat preservation plunger type metering pump according to claim 1, which is characterized in that the insulating interlayer (17) is position
It is " u "-shaped cavity in the section in the pump head (20) side wall, the thermal insulation medium outlet (23) runs through the pump head (20) side
Wall is connected to the insulating interlayer (17), and the thermal insulation medium import (24) runs through the pump head (20) side wall and the thermal insulation separation
Layer (17) connection.
7. a kind of heat preservation plunger type metering pump according to claim 1, which is characterized in that the dismounting pull ring (26) and institute
Dismounting threaded hole (25) is stated by being threadedly engaged flexible connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821843346.8U CN208982230U (en) | 2018-11-09 | 2018-11-09 | A kind of heat preservation plunger type metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821843346.8U CN208982230U (en) | 2018-11-09 | 2018-11-09 | A kind of heat preservation plunger type metering pump |
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| Publication Number | Publication Date |
|---|---|
| CN208982230U true CN208982230U (en) | 2019-06-14 |
Family
ID=66790720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821843346.8U Active CN208982230U (en) | 2018-11-09 | 2018-11-09 | A kind of heat preservation plunger type metering pump |
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| Country | Link |
|---|---|
| CN (1) | CN208982230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185092A (en) * | 2018-11-09 | 2019-01-11 | 淮安市威力泵业科技有限公司 | A kind of heat preservation plunger type metering pump |
-
2018
- 2018-11-09 CN CN201821843346.8U patent/CN208982230U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185092A (en) * | 2018-11-09 | 2019-01-11 | 淮安市威力泵业科技有限公司 | A kind of heat preservation plunger type metering pump |
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