CN212106240U - Plunger mechanism of hydraulic plunger pump - Google Patents
Plunger mechanism of hydraulic plunger pump Download PDFInfo
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- CN212106240U CN212106240U CN201922039022.XU CN201922039022U CN212106240U CN 212106240 U CN212106240 U CN 212106240U CN 201922039022 U CN201922039022 U CN 201922039022U CN 212106240 U CN212106240 U CN 212106240U
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Abstract
The utility model discloses a plunger mechanism of a hydraulic plunger pump, which comprises a hydraulic telescopic rod and a plunger disc, wherein the right end of the hydraulic telescopic rod passes through a fixing box and is fixedly connected with a plunger rod through a coupler, the right end of the plunger rod passes through a device shell and is arranged in the device shell, a limiting block is fixedly arranged on the plunger rod, a mounting pipe is fixedly connected on the limiting block, a return spring is sleeved in the mounting pipe, a limiting track is fixedly arranged on the inner wall of the device shell, a lining is fixedly connected on the right side in the device shell, a limiting rod is fixedly connected on the upper right side of the device shell, and an inlet pipe is fixedly connected on the lower; the baffle is fixedly arranged in the device shell; the right side of the device shell is provided with a working cavity. The plunger mechanism of the hydraulic plunger pump has the advantages that the plunger disc is in contact connection with the lining through the sealing plug on the plunger disc when moving back and forth, and material leakage is avoided.
Description
Technical Field
The utility model relates to a plunger pump equipment science and technology technical field specifically is a plunger mechanism of hydraulic plunger pump.
Background
The plunger pump is an important device of a hydraulic system; the plunger reciprocates in the cylinder body, so that the volume of the sealed working cavity is changed to realize material suction and material pressing; the plunger pump has the advantages of high rated pressure, compact structure, high efficiency and convenient flow regulation; the plunger pump in the prior art is not enough in sealing performance, and the normal use of the plunger pump is influenced by the condition of material leakage frequently generated in the working process.
In order to overcome the disadvantages of the current market, there is an urgent need for an improved plunger pump device.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem lie in overcoming prior art's plunger pump leakproofness inadequately, the condition of leaking the material often takes place in work, influences the defect of plunger pump normal use, provides a plunger mechanism of hydraulic plunger pump. The lining, the sealing plug, the plunger disc and the plunger rod have the characteristic that the sealing plug on the plunger disc is in contact connection with the lining when the plunger disc moves in a reciprocating mode, so that the material leakage condition is avoided.
In order to achieve the above object, the utility model provides a following technical scheme: a plunger mechanism of a hydraulic plunger pump comprises a hydraulic telescopic rod and a plunger disc, wherein the right end of the hydraulic telescopic rod penetrates through a fixing box and is fixedly connected with a plunger rod through a coupler, the right end of the plunger rod penetrates through a device shell and is arranged in the device shell, a limiting block is fixedly arranged on the plunger rod, an installation pipe is fixedly connected to the limiting block, a return spring is sleeved in the installation pipe, a limiting track is fixedly arranged on the inner wall of the device shell, a lining is fixedly connected to the right side of the inside of the device shell, a limiting rod is fixedly connected to the upper right side of the device shell, and an inlet pipe is fixedly connected to; the baffle is fixedly arranged in the device shell; the right side of the device shell is provided with a working cavity;
the outer side of the plunger disc is fixedly connected with a sealing plug, the left side of the plunger disc is fixedly connected with the plunger rod, the inner part of the outlet pipe is fixedly connected with a limiting rod, the upper sealing block is arranged in the outlet pipe, and meanwhile, the lower end of the outlet pipe is fixedly connected with a sealing stop block; the lower sealing block is arranged in the inlet pipe.
Preferably, the circumferential positions of the limiting blocks along the plunger rod are arranged into two groups, the two groups of limiting blocks are arranged for 180 degrees, the limiting blocks are matched with the size of the limiting track, and the limiting blocks are connected inside the limiting track in a sliding mode.
Preferably, the outside of the plunger rod is sleeved with a return spring, the plunger rod and the plunger disc form a T shape, and the plunger disc is of a transverse reciprocating motion structure.
Preferably, equal fixedly connected with installation pipe on baffle and the stopper, and return spring's both ends cup joint respectively and cup joint at two sets of installation intraducts.
Preferably, the lower sealing block and the upper sealing block are consistent in structure, and the lower sealing block and the upper sealing block are inserted into the cavity through the insertion block at the lower part of the lower sealing block.
Preferably, the two ends of the lower sealing block and the two ends of the upper sealing block are both inserted into the limiting rod, and the lower sealing block and the upper sealing block are of a vertical moving structure.
Preferably, the diameters of the inlet pipe and the outlet pipe are the same, the sealing stop blocks are fixedly mounted inside the inlet pipe and the outlet pipe, and cavities are formed inside the sealing stop blocks.
Preferably, the sections of the plunger disc, the lining, the sealing plug and the device shell are of concentric circle structures, and the plunger disc is in contact connection with the lining through the sealing plug; the plunger rod moves rightwards, the buffering operation is carried out through the return spring, the plunger rod moves leftwards, the return spring resets, the return speed of the plunger rod is increased, the working efficiency of the plunger rod is improved, and the plunger disc is in contact connection with the lining through the sealing plug on the plunger disc when moving in a reciprocating mode, so that the material leakage is avoided.
Compared with the prior art, the beneficial effects of the utility model are that:
1. when the plunger rod moves transversely in a reciprocating mode, the plunger rod is connected inside the limiting track in a sliding mode through the two groups of limiting blocks on the plunger rod, limiting and guiding operations are performed on the plunger rod, and meanwhile the stability of the plunger rod during operation is guaranteed;
2. the plunger rod moves rightwards, buffering operation is carried out through a return spring, the plunger rod moves leftwards, the return spring is reset, and the return speed of the plunger rod is increased;
3. when the plunger disc moves back and forth, the sealing plug on the plunger disc is in contact connection with the lining, so that the material leakage is avoided.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a schematic view of the structure and operation of the present invention;
FIG. 3 is a schematic sectional view of the structure A-A of the present invention;
FIG. 4 is a schematic cross-sectional view of the structure B-B of the present invention;
fig. 5 is a schematic view of the inlet tube structure of the present invention.
Reference numbers in the figures: 1. a hydraulic telescopic rod; 2. a fixed box; 3. a device housing; 4. a limiting block; 5. installing a pipe; 6. a return spring; 7. a limiting track; 8. a plunger rod; 9. a baffle plate; 10. a liner; 11. a sealing plug; 12. an outlet pipe; 13. a limiting rod; 14. an upper sealing block; 15. sealing the stop block; 16. a working chamber; 17. a lower seal block; 18. an inlet pipe; 19. a plunger disc; 20. a cavity; 21. and (5) inserting the blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a plunger mechanism of a hydraulic plunger pump comprises a hydraulic telescopic rod 1 and a plunger disc 19, wherein the right end of the hydraulic telescopic rod 1 penetrates through a fixed box 2 to be fixedly connected with a plunger rod 8 through a coupler, the right end of the plunger rod 8 penetrates through a device shell 3 to be arranged in the device shell, a limiting block 4 is fixedly arranged on the plunger rod 8, an installation pipe 5 is fixedly connected onto the limiting block 4, a return spring 6 is sleeved in the installation pipe 5, the limiting blocks 4 are arranged into two groups along the circumferential direction of the plunger rod 8, the two groups of limiting blocks are arranged at 4180 degrees, the limiting blocks 4 are matched with the limiting rails 7 in size, and the limiting blocks 4 are connected in the limiting rails 7 in a; a limiting track 7 is fixedly arranged on the inner wall of the device shell 3, the right side inside the device shell 3 is fixedly connected with an inner lining 10, the upper right side of the device shell 3 is fixedly connected with a limiting rod 13, and the lower right side of the device shell 3 is fixedly connected with an inlet pipe 18; the baffle 9 and the limiting block 4 are both fixedly connected with mounting pipes 5, and two ends of the return spring 6 are sleeved and respectively sleeved inside the two groups of mounting pipes 5; the baffle 9 is fixedly arranged inside the device shell 3; the right side of the device shell 3 is provided with a working cavity 16; the outer side of the plunger rod 8 is sleeved with a return spring 6, the plunger rod 8 and the plunger disc 19 form a T shape, and meanwhile, the plunger disc 19 is of a transverse reciprocating structure; the outer side of the plunger disc 19 is fixedly connected with a sealing plug 11, the left side of the plunger disc 19 is fixedly connected with the plunger rod 8, the inner part of the outlet pipe 12 is fixedly connected with a limiting rod 13, the upper sealing block 14 is arranged in the outlet pipe 12, and meanwhile, the lower end of the outlet pipe 12 is fixedly connected with a sealing stop block 15; the lower sealing block 17 is arranged in the inlet pipe 18; the structure of the lower sealing block 17 is consistent with that of the upper sealing block 14, and the lower sealing block 17 and the upper sealing block 14 are inserted into the cavity 20 through the insertion block 21 at the lower part of the lower sealing block; the two ends of the lower sealing block 17 and the upper sealing block 14 are inserted into the limiting rod 13, and the lower sealing block 17 and the upper sealing block 14 are in a vertical moving structure; the diameters of the inlet pipe 18 and the outlet pipe 12 are the same, the sealing stop blocks 15 are fixedly arranged inside the inlet pipe 18 and the outlet pipe 12, and cavities 20 are formed inside the sealing stop blocks 15; the sections of the plunger disc 19, the lining 10, the sealing plug 11 and the device shell 3 are concentric circular structures, and the plunger disc 19 is in contact connection with the lining 10 through the sealing plug 11;
as shown in fig. 1: when the plunger rod 8 performs transverse reciprocating motion, the plunger rod 8 is in sliding connection with the inside of the limiting track 7 through the two groups of limiting blocks 4 on the plunger rod, so that the stability of the plunger rod 8 during working is ensured while the plunger rod 8 performs limiting and guiding operations;
as shown in fig. 1-4: the plunger rod 8 moves rightwards, buffering operation is carried out through the return spring 6, the plunger rod 8 moves leftwards, the return spring 6 resets, the return speed of the plunger rod 8 is increased, the working efficiency of the plunger rod 8 is improved, and the plunger disc 19 is in contact connection with the lining 10 through the sealing plug 11 on the plunger disc when moving back and forth, so that the material leakage is avoided.
When the plunger mechanism of the hydraulic plunger pump is used, the plunger rod 8 moves leftwards under the action of the hydraulic telescopic rod 1, negative pressure is formed inside the working cavity 16, the lower sealing block 17 is pulled up from the sealing stop block 15, meanwhile, material liquid inside the inlet pipe 18 enters the working cavity 16, the plunger rod 8 moves rightwards under the action of the hydraulic telescopic rod 1, the lower sealing block 17 is pressed inside the inlet pipe 18, meanwhile, the upper sealing block 14 is separated from the sealing stop block 15, and the material liquid is discharged from the outlet pipe 12; this is the entire process of operation of the plunger mechanism of the hydraulic plunger pump.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a plunger mechanism of hydraulic plunger pump, includes hydraulic telescoping rod (1) and plunger dish (19), its characterized in that: the right end of the hydraulic telescopic rod (1) penetrates through the fixing box (2) and is fixedly connected with the plunger rod (8) through a coupler, the right end of the plunger rod (8) penetrates through the device shell (3) and is arranged in the device shell, the plunger rod (8) is fixedly provided with a limiting block (4), the limiting block (4) is fixedly connected with a mounting pipe (5), the mounting pipe (5) is sleeved with a return spring (6), the inner wall of the device shell (3) is fixedly provided with a limiting track (7), the right side of the inside of the device shell (3) is fixedly connected with a lining (10), the right upper side of the device shell (3) is fixedly connected with a limiting rod (13), and the right lower side of the device shell (3) is fixedly connected with; the baffle (9) is fixedly arranged in the device shell (3); a working cavity (16) is arranged on the right side of the device shell (3);
the outer side of the plunger disc (19) is fixedly connected with a sealing plug (11), the left side of the plunger disc (19) is fixedly connected with the plunger rod (8), the inner part of the outlet pipe (12) is fixedly connected with a limiting rod (13), the upper sealing block (14) is arranged in the outlet pipe (12), and meanwhile, the lower end of the outlet pipe (12) is fixedly connected with a sealing stop block (15); the lower sealing block (17) is arranged in the inlet pipe (18).
2. The plunger mechanism of a hydraulic plunger pump of claim 1, wherein: the limiting blocks (4) are arranged into two groups along the circumferential direction of the plunger rod (8), the two groups of limiting blocks (4) are arranged by 180 degrees, the limiting blocks (4) are matched with the limiting track (7) in size, and the limiting blocks (4) are connected inside the limiting track (7) in a sliding mode.
3. The plunger mechanism of a hydraulic plunger pump of claim 1, wherein: a return spring (6) is sleeved on the outer side of the plunger rod (8), the plunger rod (8) and the plunger disc (19) form a T shape, and meanwhile the plunger disc (19) is of a transverse reciprocating motion structure.
4. The plunger mechanism of a hydraulic plunger pump of claim 1, wherein: baffle (9) and stopper (4) are gone up equal fixedly connected with installation pipe (5), and the both ends of return spring (6) are cup jointed respectively and are cup jointed inside two sets of installation pipes (5).
5. The plunger mechanism of a hydraulic plunger pump of claim 1, wherein: the structure of the lower sealing block (17) is consistent with that of the upper sealing block (14), and the lower sealing block (17) and the upper sealing block (14) are inserted into the cavity (20) through the insertion block (21) at the lower part of the lower sealing block.
6. The plunger mechanism of a hydraulic plunger pump of claim 1, wherein: the two ends of the lower sealing block (17) and the two ends of the upper sealing block (14) are both inserted into the limiting rod (13), and the lower sealing block (17) and the upper sealing block (14) are of a vertical moving structure.
7. The plunger mechanism of a hydraulic plunger pump of claim 1, wherein: the diameter of the inlet pipe (18) and the diameter of the outlet pipe (12) are the same, the sealing stop blocks (15) are fixedly mounted inside the inlet pipe (18) and the outlet pipe (12), and meanwhile, cavities (20) are formed inside the sealing stop blocks (15).
8. The plunger mechanism of a hydraulic plunger pump of claim 1, wherein: the sections of the plunger disc (19), the lining (10), the sealing plug (11) and the device shell (3) are concentric circle structures, and the plunger disc (19) is in contact connection with the lining (10) through the sealing plug (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922039022.XU CN212106240U (en) | 2019-11-23 | 2019-11-23 | Plunger mechanism of hydraulic plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922039022.XU CN212106240U (en) | 2019-11-23 | 2019-11-23 | Plunger mechanism of hydraulic plunger pump |
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| Publication Number | Publication Date |
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| CN212106240U true CN212106240U (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922039022.XU Active CN212106240U (en) | 2019-11-23 | 2019-11-23 | Plunger mechanism of hydraulic plunger pump |
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| CN (1) | CN212106240U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876756A (en) * | 2022-06-02 | 2022-08-09 | 大庆市聚通祥机械设备有限公司 | Ultrahigh pressure hydraulic end assembly |
-
2019
- 2019-11-23 CN CN201922039022.XU patent/CN212106240U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876756A (en) * | 2022-06-02 | 2022-08-09 | 大庆市聚通祥机械设备有限公司 | Ultrahigh pressure hydraulic end assembly |
| CN114876756B (en) * | 2022-06-02 | 2023-01-06 | 大庆市聚通祥机械设备有限公司 | Ultrahigh pressure hydraulic end assembly |
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