CN217735717U - Upper valve cover of oil pump plunger - Google Patents

Abstract

The utility model discloses an upper valve cover of an oil pump plunger, which comprises a cover body, a water outlet is provided at the top of the upper side of the cover body, a first connecting plate is installed on the outer side of the upper end of the cover body, and a bottom of the lower side of the cover body is provided with a water outlet. In the water inlet, a second connecting plate is installed on the outer side of the lower end of the cover body, and movable plugs are arranged around the upper part of the cover body. On the surrounding upper surface of the movable plate, the movable plate is located inside the middle of the cover body, the middle of the movable plate is reserved with a through hole, the inner surface of the movable plate is provided with flow ports, and the inner end of the middle and lower part of the cover body is installed with a mounting rod. The top of the inner end of the installation rod is provided with a stopper, and the stopper is located on the lower side of the through hole. The upper valve cover of the oil pump plunger can be used when the flow rate of the fluid is large.

Description

An upper valve cover of an oil pump plunger

technical field

The utility model relates to the technical field of an oil pump plunger valve cover, in particular to an upper valve cover of an oil pump plunger.

Background technique

The plunger is mainly used to transport fluid in the oil pump. It is assembled in a long cylinder and can move back and forth (push-pull). There are two inlet and outlet pipes with valves respectively connected to the cylinder. The fluid in the cylinder When it is pressed, it will be sent out from the outlet pipe, and the plunger will continue to reciprocate in the cylinder, and the fluid will be continuously delivered to the target mechanism, which is the function of the plunger. However, the common valve covers on the market are used for small flow fluids, so they cannot adapt to different environments, resulting in clogging when the fluid is large. In view of the above problems, an innovative design is carried out on the basis of the original oil pump plunger valve cover.

Contents of the invention

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the utility model provides an upper valve cover of the oil pump plunger, which solves the problem that the common valve cover on the market is used for fluids with small flows, so it cannot adapt to different environments, resulting in larger fluids. , the problem of clogging will occur.

(2) Technical solutions

In order to achieve the above purpose, the utility model provides the following technical solutions: an upper valve cover of the oil pump plunger, including a cover body, a water outlet is opened on the upper top end of the cover body, and a second valve is installed outside the upper end of the cover body A connecting plate, the bottom of the lower side of the cover body is provided with a water inlet, the second connecting plate is installed outside the lower end of the cover body, movable plugs are arranged around the upper part of the cover body, and the inner side of the movable plug The surface and the compression spring are connected to each other, and the inner side of the lower end of the compression spring is provided with a connecting head, and the connecting head is installed on the upper surface around the movable plate, and the movable plate is located inside the middle part of the cover body, and the middle part of the movable plate is pre-set. There are through holes, flow ports are arranged around the inner surface of the movable plate, a mounting rod is installed at the inner end of the middle and lower part of the cover body, and a stopper is provided at the top of the inner end of the installation rod, and the stopper is located at the underside of the through hole.

Preferably, the inner ends of the middle parts of the first connecting plate and the second connecting plate are integrally provided with a gasket, and the gasket is a member made of rubber.

Preferably, the movable plug is in a sealed connection with the cover body, and the inner end surface of the movable plug has a corrugated structure.

Preferably, the inside of the lower end of the compression spring and the connecting head are attached to each other, the connecting head and the movable plate are of an integrated structure, and the connecting head is of a spherical structure.

Preferably, the movable plate and the inner wall of the cover are attached to each other.

Preferably, the flow ports are equiangularly distributed on the inner surface of the movable plate.

Preferably, the stopper is a spherical structure, and the upper end surface of the stopper and the through hole are attached and connected to each other.

(3) Beneficial effects

The utility model provides an upper valve cover of an oil pump plunger. Has the following beneficial effects:

(1) The upper valve cover of the plunger of the oil pump, through the use of the movable plate, can make the fluid flow upward inside the device, and then pass through the flow port on the surface of the movable plate to enter the interior of the water outlet, and then the fluid is discharged This device, when the flow rate of the fluid is large, will generate an upward pressure on the movable plate, causing the movable plate to rise upwards, and then because the stopper and the through hole are separated, the fluid inside the device can enter through the through hole. to the inside of the water outlet so as to be discharged to the outside of the device. This structure can also protect the device when the fluid flow rate is relatively large.

Description of drawings

Fig. 1 is a schematic diagram of the main view structure of the utility model;

Fig. 2 is the structure schematic diagram when the fluid flow rate of the utility model is large;

Fig. 3 is a schematic diagram of the utility model fluid flow hour structure;

Fig. 4 is a schematic diagram of the top view structure of the connection between the cover body and the block of the utility model;

Fig. 5 is a schematic diagram of the top view of the connection between the cover body and the movable plate of the utility model;

Fig. 6 is a top view structural diagram of the first connecting plate or the second connecting plate of the present invention.

In the figure: 1. cover body; 2. water outlet; 3. first connecting plate; 4. water inlet; 5. second connecting plate; 6. movable plug; 7. compression spring; 8. connecting head; 9. movable plate; 10, through hole; 11, flow port; 12, installation rod; 13, stopper; 14, sealing gasket.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figure 1-6, the utility model provides a technical solution: an upper valve cover of an oil pump plunger, including a cover body 1, a water outlet 2, a first connecting plate 3, a water inlet 4, and a second connecting plate 5. Movable plug 6, compression spring 7, connector 8, movable plate 9, through hole 10, flow port 11, mounting rod 12, stopper 13 and gasket 14, and the top of the upper side of the cover body 1 is provided with a water outlet 2 A first connecting plate 3 is installed on the outside of the upper end of the cover body 1, a water inlet 4 is opened on the bottom of the lower side of the cover body 1, a second connecting plate 5 is installed on the outside of the lower end of the cover body 1, the first connecting plate 3 and the second connecting plate The inner end of the middle part of the connecting plate 5 is integrally provided with a sealing gasket 14, which is a member of rubber material. Through the use of the sealing gasket 14, the device can play a sealing role when it is connected with the plunger of the oil pump to prevent leakage. In some cases, movable plugs 6 are arranged around the upper part of the cover body 1, and the movable plugs 6 and the cover body 1 are sealed and connected, and the inner end surface of the movable plugs 6 is a corrugated structure. The surrounding surface of the movable plug 6 plays a sealing role, the inner surface of the movable plug 6 and the compression spring 7 are connected to each other, the inner side of the lower end of the compression spring 7 is provided with a connector 8, and the connector 8 is installed on the upper surface around the movable plate 9, and the movable plate 9 is located on the upper surface of the movable plate 9. The inside of the middle part of the cover body 1, the inside of the lower end of the compression spring 7 and the connection head 8 are connected to each other. The connection head 8 and the movable plate 9 are an integrated structure, and the connection head 8 is a spherical structure. The movable plate 9 can be extruded, and then the movable plate 9 and the stopper 13 are connected to each other, thereby sealing the through hole 10 in the middle part of the movable plate 9, and the movable plate 9 and the inner wall of the cover body 1 are attached to each other, which can The motion locus of movable plate 9 is fixed, prevents when in use, the situation of rocking of movable plate 9 takes place, the middle part of movable plate 9 is reserved with through hole 10, and the inboard surface of movable plate 9 is provided with flow port 11 around, and flow port 11 Equiangularly distributed on the inner surface of the movable plate 9, when the flow rate of the fluid is small, it can flow through the flow port 11 from the lower end of the movable plate 9 to the upper end of the movable plate 9, and the inner end of the middle and lower part of the cover body 1 is equipped with a Rod 12, the top of the inner end of the mounting rod 12 is provided with a stopper 13, the stopper 13 is located at the lower side of the through hole 10, the stopper 13 is a spherical structure, and the upper end surface of the stopper 13 is connected to the through hole 10. The structure can be connected to the through hole 10 through the upper end surface of the stopper 13, which can seal the through hole 10, and then the fluid inside the lower side of the device can only flow upward through the flow port 11.

When in use, first install the device, connect the plunger with the second connecting plate 5 at the lower end of the cover body 1, insert the plunger into the inside of the second connecting plate 5, and seal the inside of the second connecting plate 5 The pads 14 are connected to each other, and the fixing screws are used to complete the fixing, and then the first connecting plate 3 on the upper end of the cover body 1 is connected to the pipeline, and the connected pipeline is fixed through the same structure;

The connected plunger will transport the fluid upwards, and then pass through the water inlet 4 into the inner lower side of the cover body 1, and then the fluid will continue to flow upwards, and will flow upwards through the flow port 11, thereby entering the inside of the cover body 1 The upper side is then discharged from the water outlet 2 to the inside of the pipeline, and when there is a lot of flowing fluid, it will first accumulate on the inner lower side of the cover body 1, and then press the movable plate 9 upward, and then shrink the compression spring 7, thereby Move the movable plate 9 upwards, and when the through hole 10 and the stopper 13 are separated, the fluid can flow upward through the through hole 10 and be discharged through the water outlet 2, as shown in Fig. 2, which is not described in detail in this specification. The described content belongs to the prior art known to those skilled in the art.

In summary, the upper valve cover of the oil pump plunger, through the use of the movable plate 9, can make the fluid flow upwards inside the device, and then pass through the flow port 11 on the surface of the movable plate 9 to enter the interior of the water outlet 2 Afterwards, the fluid is discharged from the device, and when the flow rate of the fluid is large, an upward pressure will be generated on the movable plate 9, causing the movable plate 9 to rise upwards, and then because the stopper 13 and the through hole 10 are separated, the inside of the device The fluid can enter the inside of the water outlet 2 through the through hole 10, and then be discharged to the outside of the device. Using this structure can also protect the device when the flow rate of the fluid is large.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. any such actual relationship or order exists between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. An upper valve cover of an oil pump plunger, including a cover body (1), characterized in that: a water outlet (2) is opened on the upper top end of the cover body (1), and the cover body (1) A first connecting plate (3) is installed on the outer side of the upper end, a water inlet (4) is opened at the bottom of the lower side of the cover body (1), and a second connecting plate (5) is installed on the outer side of the lower end of the cover body (1) , movable plugs (6) are arranged around the upper part of the cover body (1), the inner surface of the movable plugs (6) and the compression spring (7) are connected to each other, and the inner side of the lower end of the compression spring (7) is set There is a connecting head (8), and the connecting head (8) is installed on the upper surface around the movable plate (9), and the movable plate (9) is located inside the middle part of the cover body (1), and the movable plate (9) A through hole (10) is reserved in the middle of the movable plate (9), a flow port (11) is provided around the inner surface of the movable plate (9), and a mounting rod (12) is installed at the inner end of the middle and lower part of the cover body (1). A stopper (13) is provided on the top of the inner end of the installation rod (12), and the stopper (13) is located on the lower side of the through hole (10). 2. The upper valve cover of an oil pump plunger according to claim 1, characterized in that: the middle inner ends of the first connecting plate (3) and the second connecting plate (5) are integrally provided with a gasket (14), the sealing gasket (14) is a member made of rubber. 3. The upper valve cover of an oil pump plunger according to claim 1, characterized in that: the movable plug (6) is in sealing connection with the cover body (1), and the inner end of the movable plug (6) The surface is corrugated. 4. The upper valve cover of an oil pump plunger according to claim 1, characterized in that: the inside of the lower end of the compression spring (7) and the connecting head (8) are attached to each other, and the connecting head (8) ) and the movable plate (9) are an integrated structure, and the connecting head (8) is a spherical structure. 5. The upper valve cover of an oil pump plunger according to claim 4, characterized in that: the movable plate (9) and the inner wall of the cover body (1) are attached to each other. 6 . The upper valve cover of an oil pump plunger according to claim 1 , characterized in that: the flow ports ( 11 ) are equiangularly distributed on the inner surface of the movable plate ( 9 ). 7. The upper valve cover of an oil pump plunger according to claim 1, characterized in that: the stopper (13) is a spherical structure, and the upper end surface of the stopper (13) and the through hole (10) Fit and connect with each other.

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