CN201215081Y - Combination spreading machine plunger pump - Google Patents
Combination spreading machine plunger pump Download PDFInfo
- Publication number
- CN201215081Y CN201215081Y CNU2008200244970U CN200820024497U CN201215081Y CN 201215081 Y CN201215081 Y CN 201215081Y CN U2008200244970 U CNU2008200244970 U CN U2008200244970U CN 200820024497 U CN200820024497 U CN 200820024497U CN 201215081 Y CN201215081 Y CN 201215081Y
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- plunger
- pump
- valve
- pump body
- valve rod
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- Expired - Fee Related
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model provides a combined type coating machine plunger pump, the pump body of which is composed of an upper pump body, a middle pump body and a lower pump body which are connected together through thread. Packer rings are arranged at the upper end of the upper pump body and the connected part of the upper pump body and the middle pump body; a plunger rod is composed of an upper valve rod, a plunger and a lower valve rod; the upper valve rod and the lower valve rod are respectively arranged at the upper end and the lower end of the plunger; the diameter of the plunger is larger that that of the upper valve rod and the lower valve rod; the inner cavity of the pump body at the upper part of the plunger is a tertiary rubber pressing cavity; the cavity of the pump body at the lower end of the plunger is a secondary rubber pressing cavity; a secondary one-way disc valve is arranged at the connected part of the middle pump body and the lower pump body; the lower valve rod penetrates the packer ring in the center of the one-way disc valve; a primary one-way disc valve is arranged at the lower end of the lower valve rod; the pump body cavity arranged between the primary one-way disc valve and the secondary one-way disc valve is a primary rubber pressing cavity. Compared with the prior art, the combined type coating machine plunger pump has the advantages of reasonable design, simple structure, easy processing, convenient installation and operation and easy maintenance, and has good popularization value.
Description
Technical field
The utility model relates to a kind of glue squeezing device, specifically a kind of long-lived combined type spreader plunger pump that can squeeze high viscosity glue.
Background technique
At present, known plastic squeeze pump structure is the piston type structure, mainly contain the pump housing, piston rod, unidirectional dish valve and non-return valve are formed, the working principle of pump is: piston rod drive plunger overlap in the pump housing in to-and-fro motion, the inner bore surface roughness of the interior cover of the processing pump housing is 0.2, because precision is very high, difficulty of processing is also very high, thereby increased processing cost, in addition because the pump housing is that two-part are formed by overcoat and interior cover, its coaxality can't guarantee that piston rod drives the seal ring to-and-fro motion in the pump housing on the plunger, and its working life and plastic emitting continuity are difficult to guarantee.
Summary of the invention
In order to overcome the deficiency of existing piston type plastic squeeze pump, the utility model provides a kind of plunger pump, and this plunger pump is not only simple in structure, and the machining difficulty reduces, coaxality is guaranteed, and working life and plastic emitting continuity are guaranteed.
Combined type spreader plunger pump of the present utility model, its structure is by the pump housing, plunger rod and one-way valve are formed, one-way valve is arranged on the plunger rod, plunger rod is arranged in the pump housing, the pump housing is by upper pump casing, middle pump body and lower pump body are by the composition that is threaded, the upper end of upper pump casing, the joint of upper pump casing and middle pump body is provided with packer ring, plunger rod is by upper valve rod, plunger and lower valve rod are formed, upper valve rod and lower valve rod are separately positioned on the two ends up and down of plunger, the diameter of plunger is greater than upper valve rod and lower valve rod, the inner chamber of the plunger upper part pump housing is three grades of moulding chambeies, the pump housing cavity of plunger lower end is secondary moulding chamber, the center of plunger is a hollow structure, the lower end of hollow structure is provided with non-return valve, three grades of moulding chambeies are communicated with secondary moulding chamber by non-return valve, the joint of middle pump body and lower pump body is provided with the unidirectional dish valve of secondary, lower valve rod is through in the middle rubber seal ring of unidirectional dish valve, the lower end of lower valve rod is provided with the unidirectional dish valve of one-level, and the pump housing cavity between unidirectional dish valve of one-level and the unidirectional dish valve of secondary is one-level moulding chamber.
Excellent effect of the present utility model is: 1, remove the most unmanageable in cover, two groups of seal rings are arranged in the pump housing, allow piston rod to-and-fro motion in seal ring, the interior machining difficulty of justifying of the pump housing reduces significantly like this, coaxality is guaranteed.2, piston rod is processed into step bars, its coaxality and surface Machining precision improve easily like this, and processing cost reduces significantly; 3, pressing spring is set on seal ring can guarantees that seal ring is in tightening state forever, sealing effect is guaranteed.
Description of drawings
Fig. 1 is the organigram of three-stage combined spreader plunger pump;
Fig. 2 is the box-like spreader plunger pump of a secondary groups organigram;
Fig. 3 is a single-stage combined type spreader plunger pump organigram.
Description of reference numerals: upper pump casing 1, middle pump body 2, lower pump body 3, packer ring 4, upper valve rod 5, plunger 6, lower valve rod 7, three grades of moulding chambeies 8, secondary moulding chamber 9, one-level moulding chamber 10, hollow structure 11, non-return valve 12, the unidirectional dish valve 13 of secondary, the unidirectional dish valve 14 of one-level, spring 15, one-level moulding chamber 16, glue-feeder 17, gum exudation mouth 18, non-return one-way valve 19.
Embodiment,
Below in conjunction with drawings and Examples the utility model is further specified.
Combined type spreader plunger pump of the present utility model, its structure is by the pump housing, plunger rod and one-way valve are formed, one-way valve is arranged on the plunger rod, plunger rod is arranged in the pump housing, the pump housing is by upper pump casing 1, middle pump body 2 and lower pump body 3 are by the composition that is threaded, the upper end of upper pump casing 1, upper pump casing 1 is provided with packer ring 4 with the joint of middle pump body 2, plunger rod is by upper valve rod 5, plunger 6 and lower valve rod 7 are formed, upper valve rod 5 and lower valve rod 7 are separately positioned on the two ends up and down of plunger 6, the diameter of plunger 6 is greater than upper valve rod 5 and lower valve rod 7, the inner chamber of the plunger 6 top pump housings is three grades of moulding chambeies 8, the pump housing cavity of plunger 5 lower ends is secondary moulding chambeies 9, the center of plunger 5 is a hollow structure 11, the lower end of hollow structure 11 is provided with non-return valve 12, three grades of moulding chambeies 8 are communicated with secondary moulding chamber 9 by non-return valve 12, middle pump body 2 is provided with the unidirectional dish valve 13 of secondary with the joint of lower pump body 3, lower valve rod 7 is through in the rubber seal ring of the unidirectional dish valve of secondary 13 centres, the lower end of lower valve rod 7 is provided with the unidirectional dish valve 14 of one-level, and the pump housing cavity between unidirectional dish valve 14 of one-level and the unidirectional dish valve 13 of secondary is one-level moulding chamber 16.
The bottom that glue-feeder 17 is arranged on lower pump body 3 is communicated with one-level moulding chamber 16 by the unidirectional dish valve 14 of one-level, and the side that gum exudation mouth 18 is arranged on upper pump casing 1 is communicated with three grades of moulding chambeies 8.
Glue-feeder 17 places at following valve body 3 are provided with non-return one-way valve 19.
Embodiment
Combined type spreader plunger pump of the present utility model can be assembled into single-stage injecting glue pump (as shown in Figure 3), secondary injecting glue pump (as shown in Figure 2) and three grades of injecting glue pumps (shown in Figure 1) easily according to the needs of injecting glue pressure,
Working principle is, the upper valve rod of plunger rod drives plunger, lower valve rod and the unidirectional dish valve of one-level and pumps, when plunger rod is descending, the unidirectional dish valve between non-return valve in the plunger, upper pump casing and the middle pump body and the unidirectional dish valve of lower valve rod lower end are opened, glue enters one-level moulding chamber, secondary moulding chamber successively, when upper valve rod is up, and closed check valves at different levels, glue injects step by step, discharges from gum exudation mouth at last.
The refluence of glue can be provided with the non-return one-way valve at glue-feeder and gum exudation mouth when preventing that plunger rod is descending.
Claims (4)
1, combined type spreader plunger pump, comprise the pump housing, plunger rod and one-way valve, one-way valve is arranged on the plunger rod, plunger rod is arranged in the pump housing, it is characterized in that the pump housing is by upper pump casing, middle pump body and lower pump body are by the composition that is threaded, the upper end of upper pump casing, the joint of upper pump casing and middle pump body is provided with packer ring, plunger rod is by upper valve rod, plunger and lower valve rod are formed, upper valve rod and lower valve rod are separately positioned on the two ends up and down of plunger, the diameter of plunger is greater than upper valve rod and lower valve rod, the inner chamber of the plunger upper part pump housing is three grades of moulding chambeies, the pump housing cavity of plunger lower end is secondary moulding chamber, the center of plunger is a hollow structure, the lower end of hollow structure is provided with non-return valve, three grades of moulding chambeies are communicated with secondary moulding chamber by non-return valve, the joint of middle pump body and lower pump body is provided with the unidirectional dish valve of secondary, lower valve rod is through in the middle rubber seal ring of unidirectional dish valve, the lower end of lower valve rod is provided with the unidirectional dish valve of one-level, and the pump housing cavity between unidirectional dish valve of one-level and the unidirectional dish valve of secondary is one-level moulding chamber.
2, combined type spreader plunger pump according to claim 1 is characterized in that the inwall of the joint of upper pump casing and middle pump body is provided with packer ring and holddown spring, and the center hole of packer ring and the cylindrical of plunger are slidingly connected.
3, combined type spreader plunger pump according to claim 1 is characterized in that the bottom that glue-feeder is arranged on lower pump body is communicated with one-level moulding chamber by the unidirectional dish valve of one-level, and the side that gum exudation mouth is arranged on upper pump casing is communicated with three grades of moulding chambeies.
4, combined type spreader plunger pump according to claim 3 is characterized in that being provided with the non-return one-way valve at the glue-feeder place of following valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200244970U CN201215081Y (en) | 2008-06-24 | 2008-06-24 | Combination spreading machine plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200244970U CN201215081Y (en) | 2008-06-24 | 2008-06-24 | Combination spreading machine plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201215081Y true CN201215081Y (en) | 2009-04-01 |
Family
ID=40520285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200244970U Expired - Fee Related CN201215081Y (en) | 2008-06-24 | 2008-06-24 | Combination spreading machine plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201215081Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034259A (en) * | 2015-08-21 | 2015-11-11 | 湖州新创丝织品有限公司 | High-viscosity liquid glue pumping device driven by motor |
| CN106930938A (en) * | 2015-12-30 | 2017-07-07 | 固瑞克明尼苏达有限公司 | For the reeded piston element of pump |
| CN110318966A (en) * | 2019-04-30 | 2019-10-11 | 山东星宇手套有限公司 | A kind of defeated glue pump |
-
2008
- 2008-06-24 CN CNU2008200244970U patent/CN201215081Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034259A (en) * | 2015-08-21 | 2015-11-11 | 湖州新创丝织品有限公司 | High-viscosity liquid glue pumping device driven by motor |
| CN105034259B (en) * | 2015-08-21 | 2017-11-07 | 重庆淬智机械有限公司 | A kind of motor-driven high viscosity liquid takes out adhesive dispenser |
| CN106930938A (en) * | 2015-12-30 | 2017-07-07 | 固瑞克明尼苏达有限公司 | For the reeded piston element of pump |
| CN106930938B (en) * | 2015-12-30 | 2019-03-22 | 固瑞克明尼苏达有限公司 | Reeded piston element for pump |
| US10428942B2 (en) | 2015-12-30 | 2019-10-01 | Graco Minnesota Inc. | Fluted piston components for pumps |
| CN110318966A (en) * | 2019-04-30 | 2019-10-11 | 山东星宇手套有限公司 | A kind of defeated glue pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090401 Termination date: 20110624 |