CN204755291U - Prevent plunger pump of mill partially - Google Patents
Prevent plunger pump of mill partially Download PDFInfo
- Publication number
- CN204755291U CN204755291U CN201520557141.3U CN201520557141U CN204755291U CN 204755291 U CN204755291 U CN 204755291U CN 201520557141 U CN201520557141 U CN 201520557141U CN 204755291 U CN204755291 U CN 204755291U
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- China
- Prior art keywords
- spring
- support
- plate
- plunger pump
- described spring
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Abstract
The utility model discloses a prevent plunger pump of mill partially, including valve body and the fixed pump block that sets up in the valve body, be equipped with the sealed plug of transprotable in the pump block, still include the spring, the spring sets up between the bottom surface of the lower extreme of sealed plug and pump block hole, wherein, still includes the spring -supported seat, the spring -supported seat is fixed to be set up on the bottom surface of pump block hole, spring -supported board and spring bracket are drawn together to the spring -supported stationary ladle, the left end at the spring -supported board is connected to spring bracket's upper end, spring bracket's lower extreme is connected on the bottom surface of pump block hole, the lower extreme of spring is kept out on the spring -supported board. The utility model discloses use the structure of spring -supported frame, reduced the wearing and tearing of plunger to great reduction because the phenomenon that the plunger pump became invalid more can not appear in friction noise that plunger wear caused yet.
Description
Technical field
The utility model relates to pump technical field, is specifically related to a kind of plunger pump preventing eccentric wear.
Background technique
Plunger pump is the important device of of hydraulic system.It relies on plunger or piston to-and-fro motion in cylinder body, makes the volume of seal operation cavity volume change to realize oil suction, force feed.Plunger pump has that rated pressure is high, compact structure, efficiency are high and the advantage such as Flow-rate adjustment is convenient, is widely used in the occasion that high pressure, large discharge and flow need to regulate.Plunger pump by spring promote plunger move reciprocatingly in plunger case assembly plunger cylinder in the change of sealed volume and pressure difference that the pressure that produces causes and make flowing medium be fixed the work of direction flowing.Tradition plunger pump is provided with check valve spring in valve body, check valve spring withstands valve pocket, driven by motor bearing realizes plunger and moves downward, then plunger is moved upward then carry out the motion gone round and begun again by the elastic force of spring, the connection of aforesaid way makes the easy sideslip of spring to the power fulcrum of spring is too single due to plunger, meeting one direction worn piston after long spring inclined work, and plunger can be made to occur the phenomenon that monolateral eccentric wear is serious, noise is caused to strengthen, the circuit die of both direction uneven causing inhales, force feed is unstable, and repair difficulty, plunges pump body slowly will be caused to lose efficacy, therefore need to solve the easy sideslip wearing and tearing of plunger in one-way valve, the problem causing noise to strengthen is current difficulty, plunger eccentric wear and the plunger pump Problem of Failure caused, need to solve as early as possible.
Therefore the plunger pump that a kind of structure is simple, prevent eccentric wear is badly in need of.
Model utility content
The utility model, for the problems referred to above, provides the plunger pump that a kind of structure is simple, can prevent eccentric wear.
The technical scheme in the invention for solving the above technical problem is:
A kind of plunger pump preventing eccentric wear, comprise valve body and be fixedly installed on the pump block in valve body, transportable sealing stick harness is provided with in described pump block, also comprise spring, between the lower end that described spring is arranged on sealing stick harness and the bottom surface of pump block endoporus, wherein, also comprise spring supporting seat, described spring supporting seat is fixedly installed on the bottom surface of pump block endoporus, described spring supporting seat comprises spring-support plate and spring bracket, the upper end of described spring bracket is connected to the left end of spring-support plate, the lower end of described spring bracket is connected on the bottom surface of pump block endoporus, the lower end of described spring is kept out on spring-support plate.
Further, described spring supporting seat also comprises spring lower support frame and spring bracket lower fixed seat, the upper end of described spring lower support frame is connected to the right-hand member of spring-support plate, the middle part at spring bracket is kept out in the lower end of described spring lower support frame, the middle part at spring bracket is kept out in the upper end of described spring bracket lower fixed seat, and the lower end of described spring bracket lower fixed seat is connected on the bottom surface of pump block endoporus.
Further, described spring bracket has the support be connected in turn and connects arc plate, support connection balance plate, support connection swash plate one, support connection swash plate two and bottom plate, and the upper end that described support connects arc plate has support junction surface.
Further, described support connects the included angle A between swash plate one and support connection swash plate two is 22 ° ~ 35 °.
Further, described support connects the included angle A between swash plate one and support connection swash plate two is 25 ° ~ 30 °.
Further, described support connects the included angle A between swash plate one and support connection swash plate two is 27 °.
Further, described spring lower support frame has supporting portion, lower support frame connecting plate and lower connection cambered surface on the lower support frame that is connected in turn, and on described lower support frame, supporting portion has on one with the joint of lower support frame connecting plate and is connected cambered surface.
Further, the minimum profile curvature radius of described upper connection cambered surface is 2mm.
The utility model has the advantages that:
1. in the utility model, after spring stress presses down, pump block endoporus bottom surface stressed no longer single, but the mode adopting spring-support plate to support is carried out stressed;
2. in the utility model, stressed by spring-support plate dispensing support, spring-support plate also can not cause because of discontinuity tilting, and due to the balance that spring-support plate supports, ensure that spring can not sideslip, can not cause the wearing and tearing of plunger;
3., in the utility model, owing to employing the structure of three component combinations of spring bracket lower fixed seat, spring bracket, spring lower support frame, ensure that its compressive strength;
4., in the utility model, owing to have employed the supporting structure of bottom plate, spring bracket lower fixed seat two post, ensure that its stability.
5. in the utility model, owing to employing the structure of spring bracing, decrease the wearing and tearing of plunger, thus greatly reduce the friction noise because plunger wear causes, also more there will not be the phenomenon that plunger pump lost efficacy.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
Forming the part of this specification, showing preferred embodiment of the present utility model for understanding accompanying drawing of the present utility model further, and be used for principle of the present utility model is described together with specification.In the accompanying drawings:
Fig. 1 is the schematic diagram of spring supporting seat of the present utility model;
Fig. 2 is the partial sectional view of Fig. 1;
Fig. 3 is the another partial sectional view of Fig. 1;
Fig. 4 is another partial sectional view of Fig. 1; And
Fig. 5 is sectional view of the present utility model.
Wherein, be labeled as in figure:
1 is pump fore shell, 2 is the second spring, 3 is seal ring, 4 is bulb one, 5 is pump block, 6 is spring, 7 is the first spring, 8 is valve pocket, 9 is bulb two, 10 is sealing stick harness, 11 is first liquid runner, 12 is second liquid runner, 13 is the 3rd flow channel for liquids, 14 is spring supporting seat, 141 is spring-support plate, 142 is spring bracket lower fixed seat, 143 is spring bracket, 1431 is support junction surface, 1432 is support connection arc plate, 1433 is support connection balance plate, 1434 is support connection swash plate one, 1435 is support connection swash plate two, 1436 is bottom plate, 144 is spring lower support frame, 1441 is supporting portion on lower support frame, 1442 is lower support frame connecting plate, connect cambered surface 1443 times, cambered surface is connected on 1444, 15 is through hole, 16 is valve body.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Referring to figs. 1 to Fig. 5, a kind of plunger pump preventing eccentric wear as shown in Figure 5, the pump block 5 comprising valve body 16 and be fixedly installed in valve body 16, transportable sealing stick harness 10 is provided with in described pump block 5, also comprise spring 6, between the lower end that described spring 6 is arranged on sealing stick harness 10 and the bottom surface of pump block 5 endoporus, wherein, as shown in Figure 1, also comprise spring supporting seat 14, described spring supporting seat 14 is fixedly installed on the bottom surface of pump block 5 endoporus, described spring supporting seat 14 comprises spring-support plate 141, spring bracket 143, spring lower support frame 144 and spring bracket lower fixed seat 142, the upper end of described spring bracket 143 is connected to the left end of spring-support plate 141, the lower end of described spring bracket 143 is connected on the bottom surface of pump block 5 endoporus, the lower end of described spring 6 is kept out on spring-support plate 141, the upper end of described spring lower support frame 144 is connected to the right-hand member of spring-support plate 141, the lower end of described spring lower support frame 144 is kept out at the middle part of spring bracket 143, the upper end of described spring bracket lower fixed seat 142 is kept out at the middle part of spring bracket 143, the lower end of described spring bracket lower fixed seat 142 is connected on the bottom surface of pump block 5 endoporus.
As shown in Figure 2, described spring bracket 143 has the support be connected in turn and connects arc plate 1432, support connection balance plate 1433, support connection swash plate 1, support connection swash plate 2 1435 and bottom plate 1436, and the upper end that described support connects arc plate 1432 has support junction surface 1431.
As shown in Figure 4, described support connects the included angle A between swash plate 1 and support connection swash plate 2 1435 is 22 ° ~ 35 °.
Preferably, described support connects the included angle A between swash plate 1 and support connection swash plate 2 1435 is 25 ° ~ 30 °.
Best, described support connects the included angle A between swash plate 1 and support connection swash plate 2 1435 is 27 °.
As shown in Figure 3, described spring lower support frame 144 has supporting portion 1441, lower support frame connecting plate 1442 and lower connection cambered surface 1443 on the lower support frame that is connected in turn, and on described lower support frame, supporting portion 1441 and the joint of lower support frame connecting plate 1442 have on one and be connected cambered surface 1444.
Preferably, the minimum profile curvature radius of described upper connection cambered surface 1444 is 2mm.
As shown in Figure 5, valve pocket 8 apical grafting spring 6, the bulb 29 that the first spring 7 apical grafting sealing stick harness 10 bore seal in valve pocket 8 is connected, second spring 2 is placed in pump fore shell 1 die cavity and pushes up pump block 5 lower end with the bulb 1 be tightly connected, pump fore shell 1 is installed in main valve body 16 oral area compression port place, pump fore shell 1 upper end is connected with the shoulder of pump block 5 lower end, and pump fore shell 1 upper end and pump block 5 lower end are formed and fits tightly, pump fore shell 1 is connected by seal ring 3 with valve body 16 with pump block 5.
During plunger pump work, sealing stick harness 10 moves down, gasoline in compression pump block 5 die cavity inputs master cylinder by through hole 15, start after spring 6 to bottom to reset, when spring 6 resets, promote sealing stick harness 10 to move up, meanwhile, liquid from the first liquid runner 11 in plunger pump, second liquid runner 12, the 3rd flow channel for liquids 13 to flow in pump block 5 die cavity so that the motion that goes round and begins again.
These are only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. one kind prevents the plunger pump of eccentric wear, comprise valve body (16) and be fixedly installed on the pump block (5) in valve body (16), transportable sealing stick harness (10) is provided with in described pump block (5), also comprise spring (6), between the lower end that described spring (6) is arranged on sealing stick harness (10) and the bottom surface of pump block (5) endoporus, it is characterized in that, also comprise spring supporting seat (14), described spring supporting seat (14) is fixedly installed on the bottom surface of pump block (5) endoporus, described spring supporting seat (14) comprises spring-support plate (141) and spring bracket (143), the upper end of described spring bracket (143) is connected to the left end of spring-support plate (141), the lower end of described spring bracket (143) is connected on the bottom surface of pump block (5) endoporus, the lower end of described spring (6) is kept out on spring-support plate (141).
2. the plunger pump preventing eccentric wear according to claim 1, it is characterized in that, described spring supporting seat (14) also comprises spring lower support frame (144) and spring bracket lower fixed seat (142), the upper end of described spring lower support frame (144) is connected to the right-hand member of spring-support plate (141), the middle part in spring bracket (143) is kept out in the lower end of described spring lower support frame (144), the middle part in spring bracket (143) is kept out in the upper end of described spring bracket lower fixed seat (142), the lower end of described spring bracket lower fixed seat (142) is connected on the bottom surface of pump block (5) endoporus.
3. the plunger pump preventing eccentric wear according to claim 2, it is characterized in that, described spring bracket (143) has the support be connected in turn and connects arc plate (1432), support connection balance plate (1433), support connection swash plate one (1434), support connection swash plate two (1435) and bottom plate (1436), and the upper end that described support connects arc plate (1432) has support junction surface (1431).
4. the plunger pump preventing eccentric wear according to claim 3, is characterized in that, the included angle A that described support connects between swash plate one (1434) and support connection swash plate two (1435) is 22 ° ~ 35 °.
5. the plunger pump preventing eccentric wear according to claim 4, is characterized in that, the included angle A that described support connects between swash plate one (1434) and support connection swash plate two (1435) is 25 ° ~ 30 °.
6. the plunger pump preventing eccentric wear according to claim 5, is characterized in that, the included angle A that described support connects between swash plate one (1434) and support connection swash plate two (1435) is 27 °.
7. the plunger pump preventing eccentric wear according to claim 2, it is characterized in that, described spring lower support frame (144) has supporting portion (1441), lower support frame connecting plate (1442) and lower connection cambered surface (1443) on the lower support frame that is connected in turn, and on described lower support frame, supporting portion (1441) and the joint of lower support frame connecting plate (1442) have on one and be connected cambered surface (1444).
8. the plunger pump preventing eccentric wear according to claim 7, is characterized in that, the minimum profile curvature radius of described upper connection cambered surface (1444) is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520557141.3U CN204755291U (en) | 2015-07-29 | 2015-07-29 | Prevent plunger pump of mill partially |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520557141.3U CN204755291U (en) | 2015-07-29 | 2015-07-29 | Prevent plunger pump of mill partially |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204755291U true CN204755291U (en) | 2015-11-11 |
Family
ID=54470003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520557141.3U Expired - Fee Related CN204755291U (en) | 2015-07-29 | 2015-07-29 | Prevent plunger pump of mill partially |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204755291U (en) |
-
2015
- 2015-07-29 CN CN201520557141.3U patent/CN204755291U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20160729 |