CN220059881U - Plunger pump head convenient to dismantle - Google Patents

Abstract

The utility model provides a plunger pump head convenient to detach, which comprises a pump body, wherein a driving assembly is fixedly connected to the lower end face of the pump body, a first through hole is uniformly formed in the upper part of the left end face of the pump body, a lower connecting piece is integrally formed in the upper end face of the pump body, an upper connecting piece is arranged on the upper end face of the lower connecting piece, a sealing device is arranged between the upper connecting piece and the lower connecting piece, a locking bolt is uniformly arranged on the end face of the upper connecting piece in a penetrating manner, the tail end of the locking bolt penetrates through the lower part of the lower connecting piece and is sleeved with a nut, a pump head seat is integrally formed in the upper end face of the upper connecting piece, and a second through hole is uniformly formed in the upper end face of the pump head seat.

Description

Plunger pump head convenient to dismantle

Technical Field

The disclosure relates to the technical field of pump heads, in particular to a plunger pump head convenient to detach.

Background

The plunger pump is an important device of a hydraulic system, and the plunger pump is widely applied to occasions requiring high pressure, large flow and flow adjustment, such as hydraulic presses, engineering machinery and ships, and has the advantages of high rated pressure, compact structure, high efficiency, convenient flow adjustment and the like by means of reciprocating motion of a plunger in a cylinder body to change the volume of a sealed working cavity so as to realize oil absorption and pressure oil;

according to application number 202010376984.9, a plunger pump head and a plunger pump convenient to detach are disclosed, the plunger pump head convenient to detach comprises a pump head body, a liquid inlet pipeline and a liquid outlet pipeline, the liquid inlet pipeline is connected with the side surface of the bottom of the pump head body, and the liquid outlet pipeline is connected with the side surface of the top of the pump head body; the bottom and the top of the pump head body are respectively and independently provided with a sealing piece which is detachably connected; the liquid inlet pipeline and the liquid outlet pipeline are simultaneously communicated with the plunger groove. According to the utility model, by changing the positions of the liquid inlet pipeline and the liquid outlet pipeline of the pump head body, the arrangement of sealing elements at the bottom and the top of the pump head body is realized, and when impurities in the conveying liquid block the liquid inlet one-way valve and/or the liquid outlet one-way valve in the pump head body, the sealing elements are only required to be disassembled to realize the disassembly of the liquid inlet one-way valve and/or the liquid outlet one-way valve;

the existing plunger pump head can prevent the leakage of the pump head, can play a good environmental protection role, but has the defect of inconvenient maintenance, if the pump head is blocked, the operation of long-time disassembly and cleaning is needed, and the sealing piece is easy to wear and is inconvenient to replace, therefore, the plunger pump head convenient to disassemble is provided.

Disclosure of Invention

In view of the foregoing drawbacks or shortcomings in the prior art, it is desirable to provide a plunger pump head that is easy to disassemble.

In a first aspect, the present utility model provides a pump head of a plunger pump, which is convenient to detach, and includes:

the pump body, terminal surface fixedly connected with drive assembly under the pump body, first through-hole has evenly been seted up on pump body left end face upper portion, pump body up end integrated into one piece has down the connection piece, it is provided with the connection piece to go up the connection piece up end down, be provided with sealing device between connection piece and the connection piece down, it is provided with the locking bolt evenly to run through to go up the connection piece terminal surface, the nut has been cup jointed to the terminal extension of locking bolt to connection piece lower part down, last connection piece up end integrated into one piece has the pump headstock, the second through-hole has evenly been seted up to pump headstock up to pump headstock up end.

According to the technical scheme provided by the embodiment of the utility model, the sealing device comprises a rubber ring, an upper groove and a lower groove, wherein the outer ring of the upper end surface of the lower connecting sheet is provided with the lower groove, the lower end surface of the upper connecting sheet is provided with the upper groove, the upper groove corresponds to the lower groove, the rubber ring is arranged in the lower groove, the upper part of the rubber ring is arranged in the upper groove, and the rubber ring is matched with the upper groove and the lower groove.

According to the technical scheme provided by the embodiment of the utility model, the middle part of the lower end surface of the upper connecting sheet is fixedly connected with a threaded sleeve, and the middle part of the bottom end surface of the threaded sleeve is provided with a piston hole.

According to the technical scheme provided by the embodiment of the utility model, the upper end face of the driving assembly is sleeved with the limiting cylinder, the upper part of the inner cavity of the limiting cylinder is sleeved with the piston, and the piston corresponds to the piston hole.

According to the technical scheme provided by the embodiment of the utility model, the inner wall of the inner cavity of the pump body is provided with the internal thread, the internal thread is matched with the threaded sleeve, and the threaded sleeve is in threaded connection with the pump body.

To sum up, this technical scheme specifically discloses a plunger pump head convenient to dismantle, through last connection piece, lower connection piece and sealing device, through last recess and lower recess correspondence, be provided with the rubber circle in the lower recess is inside, goes up connection piece and lower connection piece laminating, guarantees that the rubber circle upper portion is installed in last recess inside, effectively improves the leakproofness of plunger pump.

Through last connection piece, lower connection piece, lock bolt, nut, internal thread and screw sleeve, screw sleeve outer wall laminating pump body inner chamber inner wall, rotatory pump headstock guarantees that screw sleeve is rotatory to get into the pump body inner chamber, when last connection piece and lower connection piece are mutually pasted, runs through in proper order through lock bolt terminal from the top down and goes up connection piece and lower connection piece outside, and the reuse nut cup joints in lock bolt outer wall, further guarantees that pump headstock and pump body are connected steadily, through threaded connection simultaneously, convenient dismantlement.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:

fig. 1 is a schematic view of a pump head of a plunger pump which is convenient to detach in the utility model.

Fig. 2 is a schematic view of the internal structure of the pump head according to the present utility model.

Fig. 3 is a schematic view of the internal structure of the pump body in the present utility model.

Fig. 4 is a schematic view of the sealing device in the present utility model.

In the figure: 1. a pump body; 2. a drive assembly; 3. a pump head seat; 4. a first through hole; 5. a second through hole; 6. a lower connecting piece; 7. an upper connecting sheet; 8. a locking bolt; 9. a nut; 10. a threaded sleeve; 11. a piston bore; 12. a piston; 13. a limiting cylinder; 14. a rubber ring; 15. an internal thread; 16. an upper groove; 17. and a lower groove.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

Referring to fig. 1 to 4, a plunger pump head convenient to detach includes a pump body 1, a driving assembly 2 is fixedly connected with a lower end surface of the pump body 1, and is used for driving a body cavity column to move along the body cavity, a first through hole 4 is uniformly formed in the upper portion of the left end surface of the pump body 1, a lower connecting piece 6 is integrally formed in the upper end surface of the pump body 1, an upper connecting piece 7 is arranged on the upper end surface of the lower connecting piece 6, a sealing device is arranged between the upper connecting piece 7 and the lower connecting piece 6, a locking bolt 8 is uniformly arranged on the end surface of the upper connecting piece 7 in a penetrating manner, the tail end of the locking bolt 8 extends to the lower portion of the lower connecting piece 6 in a penetrating manner and is sleeved with a nut 9, a pump head seat 3 is integrally formed in the upper end surface of the upper connecting piece 7, and a second through hole 5 is uniformly formed in the upper end surface of the pump head seat 3.

In order to ensure the tightness of the plunger pump, a sealing device is formed by the rubber ring 14, the upper groove 16 and the lower groove 17, the lower groove 17 is formed in the upper end face of the lower connecting sheet 6, the upper groove 16 is formed in the lower end face of the upper connecting sheet 7, the upper groove 16 corresponds to the lower groove 17, the rubber ring 14 is arranged in the lower groove 17, the upper part of the rubber ring 14 is arranged in the upper groove 16, and the rubber ring 14 is matched with the upper groove 16 and the lower groove 17.

In order to further facilitate disassembly, a threaded sleeve 10 is fixedly connected to the middle of the lower end face of the upper connecting sheet 7, and a piston hole 11 is formed in the middle of the bottom end face of the threaded sleeve 10, so that the piston hole 11 is matched with a piston 12.

The upper end face of the driving assembly 2 is sleeved with a limiting cylinder 13, the upper part of the inner cavity of the limiting cylinder 13 is sleeved with a piston 12, and the piston 12 corresponds to the piston hole 11.

In order to stably connect the pump head seat 3 with the pump body 1, an internal thread 15 is arranged on the inner wall of the inner cavity of the pump body 1, the internal thread 15 is matched with the threaded sleeve 10, and the threaded sleeve 10 is in threaded connection with the pump body 1, so that the stability of the pump head seat 3 is further improved.

Working principle: during the use, place pump headstock 3 in pump body 1 upper portion to guarantee that thread bush 10 cup joints in piston 12 outer wall, thread bush 10 outer wall laminating pump body 1 inner chamber inner wall simultaneously, rotatory pump headstock 3 guarantees that thread bush 10 is rotatory to get into pump body 1 inner chamber, when last connection piece 7 and lower connection piece 6 are mutually pasted, install rubber circle 14 in lower recess 17 inner chamber, continue rotatory pump headstock 3, guarantee that rubber circle 14 upper portion is installed in last recess 16 inside, go up connection piece 7 and lower connection piece 6 laminating, effectively improve the leakproofness of plunger pump, from the top down outside through locking bolt 8 terminal from top down, reuse nut cup joints in locking bolt 8 outer wall, further guarantee pump headstock 3 and pump body 1 stable connection, simultaneously through threaded connection, the convenience is dismantled.

The above description is only illustrative of the preferred embodiments of the present utility model and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in the present utility model is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present utility model (but not limited to) having similar functions are replaced with each other.

Claims (5)

1. Plunger pump head convenient to dismantle, its characterized in that includes:

pump body (1), terminal surface fixedly connected with drive assembly (2) under pump body (1), first through-hole (4) have evenly been seted up on pump body (1) left end face upper portion, pump body (1) up end integrated into one piece has lower connection piece (6), connection piece (7) are provided with down to connection piece (6) up end, be provided with sealing device between connection piece (7) and the connection piece (6) down, it is provided with locking bolt (8) to go up connection piece (7) terminal surface evenly to run through, locking bolt (8) end runs through and extends to connection piece (6) lower part and cup joints nut (9), go up connection piece (7) up end integrated into one piece and have pump headstock (3), second through-hole (5) have evenly been seted up to pump headstock (3) up end.

2. The plunger pump head convenient to detach according to claim 1, characterized in that the sealing device comprises a rubber ring (14), an upper groove (16) and a lower groove (17), the lower groove (17) is formed in the outer ring of the upper end face of the lower connecting sheet (6), the upper groove (16) is formed in the lower end face of the upper connecting sheet (7), the upper groove (16) corresponds to the lower groove (17), the rubber ring (14) is arranged in the lower groove (17), the upper portion of the rubber ring (14) is arranged in the upper groove (16), and the rubber ring (14) is matched with the upper groove (16) and the lower groove (17).

3. The plunger pump head convenient to detach according to claim 1 is characterized in that a threaded sleeve (10) is fixedly connected to the middle of the lower end face of the upper connecting sheet (7), and a piston hole (11) is formed in the middle of the bottom end face of the threaded sleeve (10).

4. A plunger pump head convenient to detach according to claim 3, characterized in that the upper end face of the driving component (2) is sleeved with a limiting cylinder (13), the upper part of the inner cavity of the limiting cylinder (13) is sleeved with a piston (12), and the piston (12) corresponds to the piston hole (11).

5. The plunger pump head convenient to detach according to claim 1, characterized in that an inner wall of an inner cavity of the pump body (1) is provided with an inner thread (15), the inner thread (15) is matched with the threaded sleeve (10), and the threaded sleeve (10) is in threaded connection with the pump body (1).