CN219101517U - Plunger assembly and plunger pump with same - Google Patents
Plunger assembly and plunger pump with same Download PDFInfo
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- CN219101517U CN219101517U CN202222771281.3U CN202222771281U CN219101517U CN 219101517 U CN219101517 U CN 219101517U CN 202222771281 U CN202222771281 U CN 202222771281U CN 219101517 U CN219101517 U CN 219101517U
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- plunger
- wall
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- cylinder body
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Abstract
The utility model belongs to the technical field of plunger pumps, in particular to a plunger assembly and a plunger pump with the same, aiming at the problems that when an existing main shaft rotates, a connecting rod plunger pair is driven to rotate together with a cylinder body, and meanwhile, the connecting rod plunger pair can rotate in the cylinder body and reciprocate in the cylinder body to cause serious abrasion of a sealing body; according to the utility model, the connecting rod plunger pair is driven to rotate by the rotating block, the connecting rod plunger pair can drive the cylinder body to rotate through the connecting block, meanwhile, the connecting block rotates on the plunger head, the plunger head reciprocates in the through hole on the cylinder body, so that the plunger head reciprocates without rotating, and the service life of the sealing gasket on the plunger head is prolonged.
Description
Technical Field
The utility model relates to the technical field of plunger pumps, in particular to a plunger assembly and a plunger pump with the same.
Background
Plunger pumps are an important device of hydraulic systems. The plunger reciprocates in the cylinder body to change the volume of the sealed working cavity, so as to realize oil absorption and pressure oil.
As shown in fig. 4, the inclined shaft plunger pump consists of a main shaft, a bearing group, a connecting rod plunger pair, a cylinder body, a shell, a valve plate and a rear cover, when the main shaft rotates, the connecting rod plunger pair and the cylinder body are driven to rotate together, and the plunger simultaneously reciprocates in a hole, so that the volume of a sealing cavity at the bottom of the plunger hole is continuously increased and reduced in a periodical change, and oil absorption and pressure oil absorption are realized through the valve plate.
Through searching, the embodiment of the utility model with the publication number of CN212250433U discloses a leak-free plunger pump sealing assembly, the corrosion resistance and the wear resistance of the sealing assembly are improved by adopting a combined filler mode compared with the prior art by adopting graphite or polytetrafluoroethylene filler, the sealing assembly adopts a whole circle of filler, no notch is formed, and the leakage of conveying liquid at a notch position is avoided by adopting the notch-free filler. The surface of the plunger adopts a specially treated hardening layer, so that the abrasion is reduced, and the corrosion of the conveying medium to the plunger is reduced.
The seal assembly also has the following disadvantages: when the main shaft rotates, the connecting rod plunger pair is driven to rotate together with the cylinder body, and meanwhile, the connecting rod plunger pair can rotate in the cylinder body and reciprocate in the cylinder body, so that the sealing body is seriously worn.
Disclosure of Invention
The utility model provides a plunger assembly and a plunger pump with the same, which solve the defects that when a main shaft rotates, a connecting rod plunger pair is driven to rotate together with a cylinder body, and meanwhile, the connecting rod plunger pair can rotate in the cylinder body and reciprocate in the cylinder body, so that a sealing body is seriously worn.
The utility model provides the following technical scheme:
a plunger assembly, comprising:
the device comprises a shell, wherein one end of the shell is connected with a main shaft in a penetrating and rotating manner, the inner wall of the shell is connected with a rotating disc in a rotating manner, and the main shaft is fixedly connected with one side opposite to the rotating disc;
the utility model discloses a novel oil distribution device, including casing, connecting rod plunger pair, universal ball, connecting rod plunger pair's one end fixedly connected with connecting block, one side rotation of connecting block is connected with the plunger head, one side fixedly connected with of rolling disc advances oil pipe and goes out oil pipe, one side fixedly connected with oil distribution ring of back lid, one side rotation of oil distribution ring is connected with the axis of rotation, the outer wall rotation cover of axis of rotation is equipped with the cylinder body, a plurality of through-holes have been seted up to one side of cylinder body, the inner wall of through-hole is equipped with the connecting rod plunger pair, one side fixedly connected with connecting block of connecting rod plunger pair, one side rotation of connecting block is connected with the plunger head, one side fixedly connected with of rolling disc a plurality of turning blocks that correspond with axis of rotation and connecting rod plunger pair, the inner wall embedding of turning block has the universal ball, one side of universal ball respectively with connecting rod plunger pair and axis of rotation fixed connection.
In one possible design, the outer wall of the cylinder body is sleeved with a heat-dissipating copper sleeve, and the heat-dissipating copper sleeve is rotationally connected with the inner wall of the shell.
In one possible design, the outer wall of the connecting rod plunger pair is sleeved with a baffle ring, and the baffle ring is fixedly connected with the cylinder body.
In one possible embodiment, the inner wall of the stop ring is provided with a sealing ring.
In one possible embodiment, the outer wall of the plunger head is provided with a plurality of sealing rings.
In one possible design, the outer wall of the heat dissipation copper sleeve is provided with a plurality of heat dissipation holes.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.
In the utility model, the device is connected with the motor, the motor drives the rotating disc to rotate, the rotating disc can drive the connecting rod plunger pair to rotate through the rotating block, and the connecting rod plunger pair can drive the cylinder body to rotate through the connecting block;
according to the utility model, the connecting block rotates on the plunger head, the plunger head reciprocates in the through hole on the cylinder body, and oil absorption and pressure oil can be realized through the oil distribution ring;
according to the utility model, when the cylinder body rotates, the heat dissipation copper sleeve can be driven to rotate, and the cylinder body can be supported through the heat dissipation copper sleeve, so that the cylinder body works more stably;
according to the utility model, the connecting rod plunger pair is driven to rotate through the rotating block, the connecting rod plunger pair can drive the cylinder body to rotate through the connecting block, meanwhile, the connecting block rotates on the plunger head, the plunger head reciprocates in the through hole on the cylinder body, the plunger head can reciprocate without rotating, the service life of the sealing gasket on the plunger head is prolonged, and the cylinder body is supported through the heat dissipation copper sleeve, so that the work of the cylinder body is more stable.
Drawings
Fig. 1 is a schematic three-dimensional structure of a plunger assembly and a plunger pump having the same according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of a plunger assembly and a plunger pump having the same according to an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of a plunger assembly and a plunger pump having the same according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of a prior art structure.
Reference numerals:
1. a housing; 2. a rear cover; 3. an oil inlet pipe; 4. an oil outlet pipe; 5. a main shaft; 6. oil ring; 7. a heat dissipation copper sleeve; 8. a cylinder; 9. a connecting rod plunger pair; 10. a rotating block; 11. a rotating disc; 12. a universal ball; 13. a rotating shaft; 14. a connecting block; 15. a plunger head; 16. a baffle ring; 17. and a through hole.
Detailed Description
Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present utility model are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present utility model, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present utility model.
In embodiments of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
In the embodiment of the present utility model, "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.
Example 1
Referring to fig. 1-3, a plunger assembly, comprising:
the device comprises a shell 1, wherein one end of the shell 1 is penetrated and rotationally connected with a main shaft 5, the inner wall of the shell 1 is rotationally connected with a rotating disc 11, and the main shaft 5 is fixedly connected with one side opposite to the rotating disc 11;
one end fixedly connected with back lid 2 of casing 1, one side of back lid 2 runs through fixedly connected with oil feed pipe 3 and play oil pipe 4, one side fixedly connected with distribution ring 6 of back lid 2, one side rotation of distribution ring 6 is connected with axis of rotation 13, the outer wall rotation cover of axis of rotation 13 is equipped with cylinder body 8, a plurality of through-holes 17 have been seted up to one side of cylinder body 8, the inner wall of through-hole 17 is equipped with connecting rod plunger pair 9, the one end fixedly connected with connecting block 14 of connecting rod plunger pair 9, one side rotation of connecting block 14 is connected with plunger head 15, one side fixedly connected with of rolling disc 11 a plurality of rotatory pieces 10 corresponding with axis of rotation 13 and connecting rod plunger pair 9, universal ball 12's one side and connecting rod plunger pair 9 and axis of rotation 13 fixed connection respectively, rolling disc 11 rotates and can drive connecting rod plunger pair 9 through rotatory piece 10, connecting rod plunger pair 9 rotates and can drive cylinder body 8 through connecting block 14, simultaneously connecting block 14 rotates on plunger head 15, reciprocating motion in the through-hole 17 on cylinder body 8, through distributing ring 6 can realize oil absorption and pressing oil 15, can reduce its life, wear and tear.
Example 2
Referring to fig. 1-3, a plunger assembly, comprising:
the device comprises a shell 1, wherein one end of the shell 1 is penetrated and rotationally connected with a main shaft 5, the inner wall of the shell 1 is rotationally connected with a rotating disc 11, and the main shaft 5 is fixedly connected with one side opposite to the rotating disc 11;
one end fixedly connected with back lid 2 of casing 1, one side of back lid 2 runs through fixedly connected with oil feed pipe 3 and play oil pipe 4, one side fixedly connected with distribution ring 6 of back lid 2, one side rotation of distribution ring 6 is connected with axis of rotation 13, the outer wall rotation cover of axis of rotation 13 is equipped with cylinder body 8, a plurality of through-holes 17 have been seted up to one side of cylinder body 8, the inner wall of through-hole 17 is equipped with connecting rod plunger pair 9, the one end fixedly connected with connecting block 14 of connecting rod plunger pair 9, one side rotation of connecting block 14 is connected with plunger head 15, one side fixedly connected with of rolling disc 11 a plurality of rotatory pieces 10 corresponding with axis of rotation 13 and connecting rod plunger pair 9, universal ball 12's one side and connecting rod plunger pair 9 and axis of rotation 13 fixed connection respectively, rolling disc 11 rotates and can drive connecting rod plunger pair 9 through rotatory piece 10, connecting rod plunger pair 9 rotates and can drive cylinder body 8 through connecting block 14, simultaneously connecting block 14 rotates on plunger head 15, reciprocating motion in the through-hole 17 on cylinder body 8, through distributing ring 6 can realize oil absorption and pressing oil 15, can reduce its life, wear and tear.
Referring to fig. 2 and 3, the outer wall cover of the cylinder 8 is provided with a heat dissipation copper sleeve 7, and the heat dissipation copper sleeve 7 is rotationally connected with the inner wall of the shell 1, and the cylinder 8 can be supported by the heat dissipation copper sleeve 7 in the above technical scheme, so that friction between the cylinder 8 and the shell 1 is reduced, and the use is more stable.
Referring to fig. 3, a baffle ring 16 is sleeved on the outer wall of the connecting rod plunger pair 9, and the baffle ring 16 is fixedly connected with the cylinder 8, so that the connecting rod plunger pair 9 can be guided and the connecting rod plunger pair 9 can be limited through the baffle ring 16 in the technical scheme.
Referring to fig. 3, a sealing ring is provided on the inner wall of the baffle ring 16, and in the above technical solution, the sealing ring is provided on the inner wall of the baffle ring 16 to seal the through hole 17, so that oil cannot leak into the inside.
Referring to fig. 3, a plurality of sealing rings are sleeved on the outer wall of the plunger head 15, and in the above technical scheme, the plurality of sealing rings are sleeved on the outer wall of the plunger head 15 to seal the plunger head 15, so that oil absorption and pressure oil are facilitated.
Referring to fig. 2 and 3, a plurality of heat dissipation holes are formed in the outer wall of the heat dissipation copper sleeve 7, and in the above technical scheme, a plurality of heat dissipation holes are formed in the outer wall of the heat dissipation copper sleeve 7, and lubricating oil can be smeared in the heat dissipation holes, so that the cylinder 8 rotates more smoothly.
In fig. 4: 1 is a main shaft; 2 is a bearing group; 3 is a connecting rod plunger pair; 4 is a cylinder body; 5 is a shell; 6 is a valve plate; 7 is a rear cover.
The working principle and the using flow of the technical scheme are as follows: when the device is used, the motor is connected, the motor drives the rotating disc 11 to rotate, the rotating disc 11 can rotate to drive the connecting rod plunger pair 9 to rotate through the rotating block 10, the connecting rod plunger pair 9 can rotate to drive the cylinder body 8 to rotate through the connecting block 14, meanwhile, the connecting block 14 rotates on the plunger head 15, the plunger head 15 reciprocates in the through hole 17 on the cylinder body 8, oil suction and pressure oil can be realized through the oil distribution ring 6, and when the cylinder body 8 rotates, the heat dissipation copper sleeve 7 can be driven to rotate, and the cylinder body 8 can be supported through the heat dissipation copper sleeve 7, so that the work of the device is more stable.
The present utility model is not limited to the above embodiments, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present utility model, and the changes or substitutions are intended to be covered by the scope of the present utility model; embodiments of the utility model and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (7)
1. A plunger assembly, comprising:
the device comprises a shell (1), wherein one end of the shell (1) is connected with a main shaft (5) in a penetrating and rotating manner, the inner wall of the shell (1) is connected with a rotating disc (11) in a rotating manner, and the main shaft (5) is fixedly connected with one side opposite to the rotating disc (11);
one end fixedly connected with back lid (2) of casing (1), one side of back lid (2) runs through fixedly connected with oil feed pipe (3) and goes out oil pipe (4), one side fixedly connected with of back lid (2) joins in marriage oily ring (6), one side rotation of joining in marriage oily ring (6) is connected with axis of rotation (13), the outer wall rotation cover of axis of rotation (13) is equipped with cylinder body (8), a plurality of through-holes (17) have been seted up to one side of cylinder body (8), the inner wall of through-hole (17) is equipped with connecting rod plunger pair (9), one end fixedly connected with connecting block (14) of connecting rod plunger pair (9), one side rotation of connecting block (14) is connected with plunger head (15), one side fixedly connected with of rolling disc (11) a plurality of rotatory pieces (10) corresponding with axis of rotation (13) and connecting rod plunger pair (9), the inner wall embedding of rotatory piece (10) has universal ball (12), one side of universal ball (12) respectively with connecting rod pair (9) and axis of rotation (13) fixed connection.
2. A plunger assembly according to claim 1, characterized in that the outer wall of the cylinder (8) is sleeved with a heat dissipating copper sleeve (7), the heat dissipating copper sleeve (7) being in rotational connection with the inner wall of the housing (1).
3. Plunger assembly according to claim 1, characterized in that the outer wall of the connecting rod plunger pair (9) is sleeved with a baffle ring (16), and the baffle ring (16) is fixedly connected with the cylinder body (8).
4. A plunger assembly according to claim 3, wherein the inner wall of the retainer ring (16) is provided with a sealing ring.
5. A plunger assembly according to any one of claims 1-4, wherein the outer wall of the plunger head (15) is provided with a plurality of sealing rings.
6. A plunger assembly according to claim 2, characterized in that the outer wall of the heat dissipating copper sleeve (7) is provided with a plurality of heat dissipating holes.
7. A plunger pump comprising a plunger assembly as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222771281.3U CN219101517U (en) | 2022-10-20 | 2022-10-20 | Plunger assembly and plunger pump with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222771281.3U CN219101517U (en) | 2022-10-20 | 2022-10-20 | Plunger assembly and plunger pump with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219101517U true CN219101517U (en) | 2023-05-30 |
Family
ID=86467857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222771281.3U Active CN219101517U (en) | 2022-10-20 | 2022-10-20 | Plunger assembly and plunger pump with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219101517U (en) |
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2022
- 2022-10-20 CN CN202222771281.3U patent/CN219101517U/en active Active
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