Oil cylinder seat for plunger pump

Abstract

The utility model relates to the technical field of oil cylinder seats, in particular to an oil cylinder seat for a plunger pump, which comprises a piston rod arranged in a plunger pump body, a cylinder barrel arranged on the outer side of the piston rod, a cylinder seat arranged on the outer side of the cylinder barrel, two groups of cylinder covers which are integrally connected, and inner butt joint cylinders arranged on the inner sides of the cylinder covers. A side groove is formed in one side of each inner butt joint cylinder, two sets of clamping grooves are formed in one side of each inner butt joint cylinder, an outer auxiliary cylinder and an outer butt joint cylinder are arranged on the outer side of the cylinder cover, a piston rod is arranged in the inner butt joint cylinders, the outer butt joint cylinders and the outer auxiliary cylinders can be fixedly connected with a plunger pump body and a cylinder barrel structure, and a clamping groove structure is arranged on one side of the cylinder cover. The outer butt joint cylinder and the outer auxiliary cylinder can be clamped and meshed with the inner side of the plunger pump body, so that the outer butt joint cylinder and the outer auxiliary cylinder can be connected and clamped with an external structure through the cylindrical structure and the clamping groove structure arranged on the outer side of the outer butt joint cylinder, and a user can cover and wrap the piston rod structure through a pin shaft penetrating through the outer butt joint cylinder and the outer auxiliary cylinder.

Description

Technical Field

[0001] The utility model relates to the technical field of oil cylinder seats, in particular to an oil cylinder seat for a plunger pump. Background Art

[0002] The plunger pump is an important device in the hydraulic system. It relies on the reciprocating motion of the plunger in the cylinder to change the volume of the sealed working chamber to achieve oil suction and oil pressure. The plunger pump is widely used in high pressure, large flow and flow adjustment occasions. Most of the current plunger pumps are swash plate type plunger pumps, which convert the rotational motion of the swash plate into the axial reciprocating motion of the plunger through the inclination angle of the swash plate to achieve the oil suction and oil discharge function of the plunger pump; the plunger pump is an important device in the hydraulic system. It relies on the reciprocating motion of the plunger in the cylinder to change the volume of the sealed working chamber to achieve oil suction and oil pressure. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency and convenient flow adjustment.

[0003] The design of the piston pump's cylinder seat also takes into account sealing and guiding issues to ensure the smooth movement of the piston and the reliability of the system. In the basic structure of the hydraulic cylinder, the cylinder seat, as a part of the hydraulic cylinder, together with the cylinder barrel and cylinder head, piston and piston rod, sealing device, etc., completes the function of the hydraulic system.

[0004] To sum up, the cylinder seat of the plunger pump is an indispensable part of the hydraulic system. It needs to work closely with other components to achieve power transmission and conversion of the hydraulic system, thereby completing various work tasks. Utility Model Content

[0005] Technical issues solved

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a cylinder seat for a plunger pump, which clamps the inner docking sleeve structure and the piston rod structure in the cylinder seat through the provided cylinder seat and cylinder barrel structure, and the two are docked and fixed through the inner docking sleeve structure and the cylinder barrel structure, and the outer docking sleeve and the outer auxiliary sleeve structure can be connected and fixed with the plunger pump body and the cylinder barrel structure, and a slot structure is provided on one side of the cylinder cover, which can be clamped and engaged with the inner side of the plunger pump body, so that it can be connected and clamped with the external structure through the cylindrical structure and the slot structure provided on the outside, and the user can pass the outer docking sleeve and the outer auxiliary sleeve structure through the pin shaft to achieve covering and wrapping of the piston rod structure; it can effectively solve the need to strengthen the close fit of other components in the prior art, realize power transmission and conversion of the hydraulic system, and thus complete various work tasks.

[0007] Technical Solution

[0008] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0009] The utility model provides an oil cylinder seat for a plunger pump. A piston rod is arranged inside the plunger pump body. A cylinder barrel is arranged outside the piston rod. A cylinder seat is arranged outside the cylinder barrel. The cylinder seat includes two integrally connected cylinder heads. Inner docking cylinders are arranged inside the two cylinder heads. Side grooves are arranged on one side of each inner docking cylinder. Two card slots are arranged on one side of each inner docking cylinder. An outer auxiliary cylinder and an outer docking cylinder are arranged outside the cylinder head. The piston rod is arranged inside the inner docking cylinder. By providing the cylinder seat and cylinder barrel structures, the inner docking cylinder structure inside the cylinder seat is clamped with the piston rod structure. The two are connected and fixed through the inner docking cylinder structure and the cylinder barrel structure. The outer docking cylinder and the outer auxiliary cylinder structures can be connected and fixed with the plunger pump body and the cylinder barrel structure.

[0010] Further, the card slot is of a fan-shaped structure and is concentric with the inner docking cylinder on one side.

[0011] Further, three outer docking cylinders are arranged outside each group of cylinder heads. The three outer docking cylinder structures can be connected and limited with the cylinder barrel structure, and the three structures can play a role in stable connection.

[0012] Further, the back of the inner docking cylinder is recessed outward. The inner docking cylinder structure can be fixedly clamped and connected with the cylinder barrel structure through multiple groups of it, and the piston pump body can be clamped through the fan-shaped structure formed by the two card slots on the outside. And the card slot structure arranged on one side of the cylinder head can be clamped and engaged with the inside of the piston pump body. Therefore, through the cylindrical structure and the card slot structure arranged on its outside, it can be connected and clamped with the external structure. The user can penetrate the outer docking cylinder and the outer auxiliary cylinder structures with a pin shaft to cover and wrap the piston rod structure.

[0013] Further, a sealing ring is fixed outside the cylinder head. The sealing ring is of a sealing plastic ring structure. The sealing ring structure can connect and seal the cylinder seat structure and the cylinder barrel structure to reduce the leakage of internal hydraulic oil.

[0014] Further, the two card slots protrude outward, and the size of the outer docking cylinder is larger than that of the outer auxiliary cylinder. The card slot structure can be used to clamp one side of the piston pump body structure and achieve the effect of fixed connection between the two, realizing the transmission of hydraulic power.

[0015] Beneficial effects

[0016] The technical solution provided by the utility model has the following beneficial effects compared with the known public technology:

[0017] Through the provided cylinder base and cylinder barrel structures, the inner docking cylinder structure within the cylinder base is engaged with the piston rod structure, and the two are connected and fixed through the docking connection between the inner docking cylinder structure and the cylinder barrel structure. The outer docking cylinder and the outer auxiliary cylinder structure can be connected and fixed to the plunger pump body and the cylinder barrel structure. Moreover, a card slot structure is provided on one side of the cylinder head, which can be engaged with the inner side of the plunger pump body. Therefore, through the cylindrical structure and the card slot structure provided on its outer side, it can be connected and engaged with external structures. The user can pass a pin through the outer docking cylinder and the outer auxiliary cylinder structure to achieve the covering and wrapping of the piston rod structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 is the structural schematic diagram of the present invention;

[0020] Figure 2 is one of the structural exploded views of the present invention;

[0021] Figure 3 is the second structural exploded view of the present invention;

[0022] Figure 4 is the structural exploded view of the cylinder base in the present invention;

[0023] Figure 5 is one of the structural schematic diagrams of the cylinder base in the present invention;

[0024] Figure 6 is the second structural schematic diagram of the cylinder base in the present invention.

[0025] The reference numerals in the drawings respectively represent: 1, plunger pump body; 11, piston rod; 2, cylinder barrel; 3, cylinder base; 31, cylinder head; 32, sealing ring; 33, inner docking cylinder; 34, card slot; 35, outer docking cylinder; 36, side slot; 37, outer auxiliary cylinder. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0027] The present utility model will be further described below in conjunction with embodiments.

[0028] Embodiment: An oil cylinder seat for a plunger pump. Refer to the attached Figure 1 - attached Figure 6 , including a piston rod 11 disposed inside a plunger pump body 1, a cylinder barrel 2 disposed outside the piston rod 11, a cylinder seat 3 disposed outside the cylinder barrel 2. The cylinder seat 3 includes two groups of integrally connected cylinder heads 31. Inner docking cylinders 33 are disposed inside the cylinder heads 31. Side grooves 36 are disposed on one side of each inner docking cylinder 33. Two groups of card slots 34 are disposed on one side of the inner docking cylinder 33. Outer auxiliary cylinders 37 and outer docking cylinders 35 are disposed outside the cylinder heads 31. The piston rod 11 is disposed inside the inner docking cylinder 33. The inner docking cylinder structure inside the cylinder seat is clamped with the piston rod structure, and the two are connected and fixed through the inner docking cylinder structure and the cylinder barrel structure.

[0029] The card slot 34 is of a fan-shaped structure and is concentric with the inner docking cylinder 33 on one side.

[0030] Three outer docking cylinders 35 are disposed outside each cylinder head 31. A card slot structure is disposed on one side of the cylinder head, which can be clamped and engaged with the inside of the plunger pump body. Therefore, through the cylindrical structure and the card slot structure disposed outside, it can be connected and clamped with the external structure. The user can penetrate the outer docking cylinder and the outer auxiliary cylinder structure with a pin shaft to achieve the covering and wrapping of the piston rod structure. The three outer docking cylinder structures can be connected and limited with the cylinder barrel structure, and the three structures can achieve the effect of stable connection.

[0031] The back of the inner docking cylinder 33 is recessed outward. The inner docking cylinder 33 structure can be fixedly clamped and connected with the cylinder barrel structure through multiple groups thereof, and can be clamped with the outside of the plunger pump body 1 through the fan-shaped structure formed by two of the card slots.

[0032] A sealing ring 32 is fixed outside the cylinder head 31. The sealing ring 32 is of a sealed plastic ring structure. The sealing ring 32 structure can connect and seal the cylinder seat structure and the cylinder barrel structure to reduce the leakage of internal hydraulic oil.

[0033] Between the two groups of the card slots 34, it protrudes outward, and the size of the outer docking cylinder 35 is larger than that of the outer auxiliary cylinder 37; the structure of the card slot 34 can be used to clamp one side of the structure of the plunger pump body 1 and achieve the effect of fixed connection between the two, so as to realize the transmission of hydraulic power; through the structures of the cylinder block 3 and the cylinder barrel 2, the inner docking cylinder 33 structure in the cylinder block 3 is clamped with the piston rod 11 structure, and the two are fixedly connected and docked through the inner docking cylinder 33 structure and the cylinder barrel 2 structure. The outer docking cylinder 35 and the outer auxiliary cylinder 37 structures can be fixedly connected with the plunger pump body 1 and the cylinder barrel 2 structures. And the card slot 34 structure provided on one side of the cylinder head 31 can be clamped and engaged with the inner side of the plunger pump body 1. Therefore, through the cylindrical structure and the card slot 34 structure provided on its outer side, it can be connected and clamped with the external structure. The user can pass the pin shaft through the outer docking cylinder 35 and the outer auxiliary cylinder 37 structures to achieve the coverage and wrapping of the piston rod 11 structure.

[0034] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the various embodiments of the present invention.

Claims

1. An oil cylinder seat for a plunger pump, characterized in that, Inside the plunger pump body (1), there is a piston rod (11) arranged. Outside the piston rod (11), there is a cylinder barrel (2) arranged. Outside the cylinder barrel (2), there is a cylinder seat (3) arranged. The cylinder seat (3) includes two groups of integrally connected cylinder heads (31). Inside each of the cylinder heads (31), there is an inner docking cylinder (33) arranged. On one side of each of the inner docking cylinders (33), there is a side groove (36) arranged. On one side of the inner docking cylinder (33), there are two groups of card slots (34) arranged. Outside the cylinder head (31), there are an outer auxiliary cylinder (37) and an outer docking cylinder (35) arranged. The piston rod (11) is arranged inside the inner docking cylinder (33).

2. The oil cylinder seat for a plunger pump according to claim 1, characterized in that, The card slot (34) is of a fan-shaped structure and is concentrically arranged with the inner docking cylinder (33) on one side.

3. The oil cylinder seat for a plunger pump according to claim 1, characterized in that, On the outside of each group of cylinder heads (31), there are three groups of outer docking cylinders (35) arranged.

4. The oil cylinder seat for a plunger pump according to claim 1, characterized in that, The back of the inner docking cylinder (33) is recessed towards the outside.

5. The oil cylinder seat for a plunger pump according to claim 4, characterized in that, Outside the cylinder head (31), a sealing ring (32) is fixed. The sealing ring (32) is of a sealed plastic ring structure.

6. The oil cylinder seat for a plunger pump according to claim 1, characterized in that, Between the two groups of card slots (34), it protrudes towards the outside, and the size of the outer docking cylinder (35) is larger than that of the outer auxiliary cylinder (37).

Images