CN216767738U

CN216767738U - Improved cylinder body for hydraulic plunger pump

Info

Publication number: CN216767738U
Application number: CN202123418702.6U
Authority: CN
Inventors: 王福红; 孙晓浩; 刘琴; 张武; 江锐
Original assignee: Jiangsu Kenaili Machinery Manufacturing Co ltd
Current assignee: Jiangsu Kenaili Machinery Manufacturing Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-17
Anticipated expiration: 2031-12-31

Abstract

The utility model provides an improved cylinder body for a hydraulic plunger pump, and belongs to the field of plunger pumps. In the cylinder body for the improved hydraulic plunger pump, an oil inlet groove and an oil guide groove are formed in the inner surface of the rear shell, and the oil discharge hole is communicated with the oil guide groove; the outer surface of the rear shell is provided with a transfer oil cavity, the top of the transfer oil cavity is communicated with the oil inlet groove, the side wall of the transfer oil cavity is provided with a guide hole, the guide hole is communicated with the top of the oil suction hole, the top of the transfer oil cavity is clamped with a filter, the filter is arranged between the oil inlet groove and the guide hole, and an opening of the transfer oil cavity is provided with a plug; the oil that filters gets into the pump body through the oil feed tank, because the oil drain hole with lead the oil groove intercommunication, the pump body has been seted up the oil groove of leading through back casing internal surface again after filtering and has been imported the oil drain downthehole, realizes the filtration to fluid, oil absorption in-process filtration impurity, reduces the inside impurity-bearing wear of pump body, extension equipment life.

Description

Improved cylinder body for hydraulic plunger pump

Technical Field

The utility model relates to the field of plunger pumps, in particular to an improved cylinder body for a hydraulic plunger pump.

Background

At present, a high-pressure plunger pump realizes oil absorption and oil pressing by means of the change of a closed volume formed by reciprocating motion of a plunger in a cylinder body, and compared with other pumps, the high-pressure plunger pump has the characteristics of high working efficiency, high pressure, long service life, convenience and quickness in flow regulation and small unit power weight, so that the high-pressure plunger pump is widely applied to the field of mechanical equipment;

because the pump body does not have a filtering structure in the process of pumping liquid, the oil liquid containing impurities enters the pump body, the inside of the pump body is abraded, and the service life of equipment is shortened.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects, the utility model provides an improved cylinder body for a hydraulic plunger pump, which aims to solve the problems of impurity filtration and equipment internal abrasion reduction in the oil absorption process.

The utility model is realized by the following steps:

the utility model provides an improved cylinder body for a hydraulic plunger pump, which comprises

The cylinder body comprises a front shell and a rear shell, and the rear shell is fixedly installed at one end of the front shell;

the outer surface of the rear shell is provided with an oil suction hole and an oil discharge hole, the inner surface of the rear shell is provided with an oil inlet groove and an oil guide groove, and the oil discharge hole is communicated with the oil guide groove;

the oil suction device is characterized in that a transfer oil cavity is formed in the outer surface of the rear shell, the top of the transfer oil cavity is communicated with the oil inlet groove, a guide hole is formed in the side wall of the transfer oil cavity, the guide hole is communicated with the top of the oil suction hole, a filter is clamped at the top of the transfer oil cavity and arranged between the oil inlet groove and the guide hole, and a plug is arranged at the opening of the transfer oil cavity.

In one embodiment of the utility model, the filter comprises a housing and an engine oil filter element, the housing is clamped at the top of the transfer oil cavity, and the engine oil filter element is installed in the housing.

In an embodiment of the utility model, a clamping groove is formed in the inner wall of the transfer oil cavity, a clamp spring is arranged in the clamping groove, and the clamp spring abuts against and fixes the shell.

In an embodiment of the utility model, the transfer oil cavity is a cylindrical hole cavity, the inner wall of the transfer oil cavity is provided with internal threads, the plug is connected to the port of the transfer oil cavity in a threaded manner, and the outer surface of the plug is provided with a straight groove.

In one embodiment of the utility model, a valve plate is installed in the transfer oil cavity, the valve plate is installed between the guide hole and the plug, and the edge of the valve plate is in sealing contact with the inner wall of the transfer oil cavity.

In an embodiment of the utility model, a sealing ring is clamped in a groove formed in the edge of the valve plate, a rotating member is mounted outside the rear shell, and the rotating member is connected with the valve plate.

In an embodiment of the present invention, the rotating member includes a rotating shaft and a motor, a rotating hole is formed in a surface of the rear housing, the rotating shaft rotatably penetrates through the rotating hole, one end of the rotating shaft is fixedly connected to the valve plate, and the other end of the rotating shaft is in transmission connection with a driving shaft of the motor.

In one embodiment of the present invention, the motor is fixed on the outer surface of the rear housing, a worm is fixedly installed on a driving shaft of the motor, a worm wheel is installed at one end of the rotating shaft, and the worm is engaged with the worm wheel.

The utility model has the beneficial effects that: when the improved cylinder body for the hydraulic plunger pump is used, external oil is sucked through the oil suction hole when the plunger pump works, so that the oil enters the transfer oil cavity through the guide hole, the filter is clamped at the top of the transfer oil cavity and arranged between the oil inlet groove and the guide hole to filter the oil sucked into the pump body, the top of the transfer oil cavity is communicated with the oil inlet groove, the filtered oil enters the pump body through the oil inlet groove, and the oil discharge hole is communicated with the oil guide groove, so that the filtered oil is input into the oil discharge hole through the oil guide groove formed in the inner surface of the rear shell by the pump body, the oil is filtered, impurities are filtered in the oil suction process, the abrasion of the impurities in the pump body is reduced, and the service life of equipment is prolonged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a partially cut-away structure provided by an embodiment of the present invention;

FIG. 2 is a perspective view provided by an embodiment of the present invention;

FIG. 3 is an exploded view provided by an embodiment of the present invention;

FIG. 4 is a schematic view of a cut-away structure of a rear housing according to an embodiment of the present invention;

fig. 5 is a schematic diagram of an internal structure of the rear housing according to the embodiment of the present invention.

In the figure: 100. a cylinder body; 110. a front housing; 130. a rear housing; 131. an oil suction hole; 132. an oil drain hole; 133. an oil inlet groove; 134. an oil guide groove; 135. a transfer oil cavity; 136. a guide hole; 137. a card slot; 138. a clamp spring; 139. a plug; 150. a filter; 151. a housing; 153. an engine oil filter element; 170. a valve plate; 171. a seal ring; 190. a rotating member; 191. a rotating shaft; 193. a motor; 195. a worm gear; 197. a worm.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The utility model is based on the technical scheme. Embodiments, all other embodiments that can be made by one skilled in the art without inventive step are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: improved cylinder body for hydraulic plunger pump, which comprises

A cylinder block 100, the cylinder block 100 including a front housing 110 and a rear housing 130, the rear housing 130 being fixedly mounted at one end of the front housing 110;

an oil suction hole 131 and an oil discharge hole 132 are formed in the outer surface of the rear housing 130, an oil inlet groove 133 and an oil guide groove 134 are formed in the inner surface of the rear housing 130, and the oil discharge hole 132 is communicated with the oil guide groove 134;

the outer surface of the rear shell 130 is provided with a transfer oil cavity 135, the top of the transfer oil cavity 135 is communicated with the oil inlet groove 133, the side wall of the transfer oil cavity 135 is provided with a guide hole 136, the guide hole 136 is communicated with the top of the oil suction hole 131, the top of the transfer oil cavity 135 is clamped with a filter 150, the filter 150 is arranged between the oil inlet groove 133 and the guide hole 136, and an opening of the transfer oil cavity 135 is provided with a plug 139.

In an embodiment of the present invention, the filter 150 includes a housing 151 and an oil filter 153, the housing 151 is clamped on the top of the intermediate oil chamber 135, and the oil filter 153 is installed in the housing 151.

In an embodiment of the present invention, a snap groove 137 is formed in an inner wall of the transfer oil chamber 135, a snap spring 138 is disposed in the snap groove 137, and the snap spring 138 abuts against and fixes the housing 151.

In an embodiment of the present invention, the transfer oil chamber 135 is a cylindrical bore, an inner wall of the transfer oil chamber is provided with an internal thread, the plug 139 is connected to the port of the transfer oil chamber 135 in a threaded manner, and an outer surface of the plug 139 is provided with a linear groove.

In one embodiment of the present invention, a valve plate 170 is installed in the transfer oil chamber 135, the valve plate 170 is installed between the guide hole 136 and the plug 139, and the edge of the valve plate 170 is in sealing contact with the inner wall of the transfer oil chamber 135.

In an embodiment of the present invention, a sealing ring 171 is clamped in a groove formed in an edge of the valve plate 170, a rotating member 190 is mounted outside the rear housing 130, and the rotating member 190 is connected to the valve plate 170.

In an embodiment of the present invention, the rotating element 190 includes a rotating shaft 191 and a motor 193, a rotating hole is formed in the surface of the rear housing 130, the rotating shaft 191 rotatably penetrates through the rotating hole, one end of the rotating shaft 191 is fixedly connected to the valve plate 170, and the other end of the rotating shaft 191 is in transmission connection with a driving shaft of the motor 193;

impurity after filtering falls into the valve plate 170 surface in the transfer oil pocket 135 for through regularly rotating valve plate 170, impurity falls into between valve plate 170 and end cap 139, can clear up impurity through opening end cap 139, and can not influence the continuation use of the pump body, be convenient for maintain, improve work efficiency.

In one embodiment of the present invention, the motor 193 is fixed on the outer surface of the rear housing 130, a worm 197 is fixedly mounted on a driving shaft of the motor 193, a worm wheel 195 is mounted on one end of the rotating shaft 191, and the worm 197 is engaged with the worm wheel 195.

This improved generation hydraulic pressure cylinder body for plunger pump's theory of operation: during the use, the plunger pump during operation absorbs outside fluid through oil absorption hole 131, make fluid pass through in the bullport 136 gets into transfer oil pocket 135, transfer oil pocket 135 top joint has filter 150, filter 150 sets up between oil feed tank 133 and bullport 136, filter the oil of inhaling in the pump body, transfer oil pocket 135 top and oil feed tank 133 intercommunication, the oil that filters gets into the pump body through oil feed tank 133, because oil drain hole 132 with lead oil groove 134 intercommunication, the pump body has seted up through rear shell 130 internal surface after will filtering again and has led oil groove 134 input oil drain hole 132 in, realize the filtration to fluid, oil absorption in-process filters impurity, reduce the inside wearing and tearing by the impurity of the pump body, extension equipment life.

It should be noted that the specific model specification of the motor 193 needs to be determined according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the motor 193 and its principles will be clear to the skilled person and will not be described in detail here.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An improved cylinder body for a hydraulic plunger pump is characterized by comprising

A cylinder block (100), the cylinder block (100) including a front housing (110) and a rear housing (130), the rear housing (130) being fixedly mounted at one end of the front housing (110);

an oil suction hole (131) and an oil discharge hole (132) are formed in the outer surface of the rear shell (130), an oil inlet groove (133) and an oil guide groove (134) are formed in the inner surface of the rear shell (130), and the oil discharge hole (132) is communicated with the oil guide groove (134);

rear housing body (130) surface has seted up transfer oil pocket (135), transfer oil pocket (135) top with advance oil tank (133) intercommunication, pilot hole (136) have been seted up to transfer oil pocket (135) lateral wall, pilot hole (136) with inhale oil hole (131) top intercommunication, transfer oil pocket (135) top joint has filter (150), filter (150) set up advance oil tank (133) with between pilot hole (136), transfer oil pocket (135) opening part is provided with end cap (139).

2. The cylinder block for the improved hydraulic plunger pump as claimed in claim 1, wherein the filter (150) comprises a housing (151) and an oil filter cartridge (153), the housing (151) is clamped on the top of the transfer oil chamber (135), and the oil filter cartridge (153) is installed in the housing (151).

3. The cylinder body for the improved hydraulic plunger pump as claimed in claim 2, wherein a snap groove (137) is formed in an inner wall of the transfer oil chamber (135), a snap spring (138) is arranged in the snap groove (137), and the snap spring (138) is abutted and fixed to the housing (151).

4. The cylinder body for the improved hydraulic plunger pump as claimed in claim 1, wherein said transfer oil chamber (135) is a cylindrical bore, and the inner wall is provided with internal threads, said plug (139) is connected to the port of said transfer oil chamber (135) by threads, and the outer surface of said plug (139) is provided with a linear groove.

5. The improved cylinder block for the hydraulic plunger pump as claimed in claim 1, wherein a valve plate (170) is installed in the intermediate oil chamber (135), the valve plate (170) is installed between the guide hole (136) and the plug (139), and the edge of the valve plate (170) is in sealing contact with the inner wall of the intermediate oil chamber (135).

6. An improved cylinder block for a hydraulic plunger pump according to claim 5, characterized in that a sealing ring (171) is clamped in a groove formed in the edge of the valve plate (170), a rotating member (190) is mounted outside the rear housing (130), and the rotating member (190) is connected with the valve plate (170).

7. The cylinder body for the improved hydraulic plunger pump is characterized in that the rotating piece (190) comprises a rotating shaft (191) and a motor (193), a rotating hole is formed in the surface of the rear shell (130), the rotating shaft (191) penetrates through the rotating hole in a rotating mode, one end of the rotating shaft (191) is fixedly connected with the valve plate (170), and the other end of the rotating shaft (191) is in transmission connection with a driving shaft of the motor (193).

8. The cylinder for the improved hydraulic ram pump as recited in claim 7, wherein said motor (193) is fixed on the outer surface of said rear housing (130), a worm gear (197) is fixedly installed on the driving shaft of said motor (193), a worm wheel (195) is installed on one end of said rotating shaft (191), and said worm gear (197) is engaged with said worm wheel (195).