CN210370984U

CN210370984U - High-pressure oil pump shell

Info

Publication number: CN210370984U
Application number: CN201921400850.5U
Authority: CN
Inventors: 曹维焕
Original assignee: Tianjin Beichen Central Instrument Casting Co Ltd
Current assignee: Tianjin Beichen Central Instrument Casting Co Ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-04-21
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a high-pressure oil pump shell, including the oil pump case body, two spring grooves have been seted up to the symmetry on the lower extreme lateral wall of oil pump case body, two slide openings, every have been seted up to the symmetry on the lower extreme lateral wall of oil pump case body the slide opening all communicates with the spring inslot, sliding connection has the clamp plate in the spring groove, fixed mounting has the depression bar on a lateral wall of clamp plate, the one end that the depression bar deviates from the clamp plate runs through slide opening and sliding connection in the slide opening, a lateral symmetry fixed mounting that the clamp plate deviates from the slide opening has two springs. The utility model discloses, press the depression bar with the hand for depression bar extrusion clamp plate, and then make clamp plate compression spring, make two relative motions of fixture block down, and then make lower fixture block break away from the lower terminal surface of last fixture block, and then the last fixture block on the clamping bar of being convenient for takes off from lower fixture block, breaks away from down the fixture block, and then the oil pump apron of being convenient for takes off from the lower terminal surface of oil pump case body, and then is convenient for maintain oil pump inside spare part.

Description

High-pressure oil pump shell

Technical Field

The utility model relates to an oil pump technical field especially relates to a high-pressure oil pump shell.

Background

The fuel injection pump is mainly used on an automobile diesel engine, and a fuel injection pump assembly is generally an integral body formed by mounting components such as a fuel injection pump, a speed regulator and the like together. The fuel injection pump is the most important part of the diesel engine and is regarded as a heart part of the diesel engine, once a problem occurs, the whole diesel engine can work abnormally, but the existing oil pump shell is not easy to mount and dismount, so that a maintainer has certain difficulty in dismounting and mounting the oil pump.

In order to solve the above problem, patent No. CN207093259U discloses a simple assembled oil pump housing, which comprises an oil outlet valve, an oil hole and a plunger rod, wherein the oil outlet valve is hermetically connected inside an oil outlet valve seat, the oil outlet valve seat is hermetically connected at the upper end of the pump body, the oil hole is arranged on the inner wall of the pump body, and the plunger is arranged inside the pump body. This simply assemble oil pump shell is provided with the locating hole at the lower extreme of the pump body, play with the oil pump apron on the locating pin positioning assembly's effect, be favorable to improving this simply assemble oil pump shell's assembly precision, the original equipment of person's of facilitating the use's dismantlement is provided with the packing ring between oil pump apron and the pump body, reduces the wearing and tearing of oil pump apron and pump body lower extreme face, is favorable to prolonging this simply assembled oil pump shell's life.

However, in the process of maintaining the oil pump, the device needs to disassemble and install the bolts on the cover plate for many times, and the bolts are small in size and smooth in surface, so that the bolts can easily slip off from the hands of maintenance personnel, people need to take up the bolts again for installation, a large amount of maintenance time is wasted, and the maintenance cost is increased.

To this end, we propose a high pressure oil pump housing to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the device and carrying out the in-process of maintaining to the oil pump, need the dismantlement many times and install the bolt on the apron, because the bolt individuality is smaller, the surface is more smooth, very easily from maintenance personal's hand landing, need people to take up the bolt installation once more, this will waste a large amount of maintenance time, this shortcoming that will increase the cost of maintenance, and the high-pressure oil pump shell that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-pressure oil pump shell comprises an oil pump shell body, wherein two spring grooves are symmetrically formed in the side wall of the lower end of the oil pump shell body, two sliding holes are symmetrically formed in the side wall of the lower end of the oil pump shell body, each sliding hole is communicated with the inside of each spring groove, a pressing plate is connected in the spring grooves in a sliding mode, a pressing rod is fixedly installed on one side wall of the pressing plate, one end, away from the pressing plate, of the pressing rod penetrates through the sliding holes and is connected in the sliding holes in a sliding mode, two springs are symmetrically and fixedly installed on one side, away from the sliding holes, of the pressing plate, the other end of each spring is fixedly connected to the side wall of each spring groove, a lower clamping block is fixedly installed below one side, away from the springs, of the pressing plate, an oil pump cover plate is arranged on the lower side wall of the oil pump shell body, the lower side wall of the upper clamping block is abutted against the upper side wall of the lower clamping block.

Preferably, a plunger rod hole is formed in the center of the oil pump cover plate, a plunger rod is vertically and slidably connected in the plunger rod hole, a plunger is fixedly installed at the upper end of the plunger rod, and the plunger is slidably connected in the oil pump shell body.

Preferably, an oil outlet valve seat is fixedly installed on the upper end face of the oil pump shell body, and an oil outlet valve is fixedly installed in the oil outlet valve seat.

Preferably, two oil holes are symmetrically formed in the side wall of the oil pump shell body, and each oil hole is communicated with the oil pump shell body.

Preferably, one end of the pressure rod, which is far away from the pressure plate, is provided with a protective sleeve, and the protective sleeve is made of rubber.

Preferably, the surface of the oil pump shell body is coated with an anticorrosive coating, and the anticorrosive coating is chromium.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the oil pump cover plate needs to be disassembled, the pressing rod is pressed by hands, so that the pressing rod extrudes the pressing plate, the pressing plate compresses the spring, the two lower clamping blocks move relatively, the lower clamping blocks are separated from the lower end face of the upper clamping block, the upper clamping blocks on the clamping rod can be conveniently taken down from the lower clamping blocks, the lower clamping blocks are separated, the oil pump cover plate can be conveniently taken down from the lower end face of the oil pump shell body, and further, the internal parts of the oil pump can be conveniently maintained;

2. when oil pump apron needs to be installed, make two kellies of oil pump apron up end upwards extrude, and then promote fixture block extrusion lower fixture block, make lower fixture block pass through clamp plate compression spring, until the upper end face that last fixture block is located fixture block down, at this moment, spring force can the reaction clamp plate, make clamp plate promote down the fixture block support the lower terminal surface at last fixture block, make and carry out effectual joint between fixture block and the last fixture block down, and then be convenient for fix the kellies, and then be convenient for fix the lower terminal surface at the oil pump case body with the oil pump apron.

Drawings

Fig. 1 is a schematic front structural view of a high-pressure oil pump housing according to the present invention;

fig. 2 is a partially enlarged structural diagram of a in fig. 1.

In the figure: the oil pump comprises an oil pump cover plate 1, an oil pump shell body 2, an oil hole 3, an oil outlet valve seat 4, an oil outlet valve 5, a plunger 6, a plunger rod 7, a spring 8, a spring groove 9, a pressure plate 10, a slide hole 11, a pressure rod 12, a clamping rod 13, an upper clamping block 14 and a lower clamping block 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a high-pressure oil pump shell comprises an oil pump shell body 2, two spring grooves 9 are symmetrically arranged on the lower end side wall of the oil pump shell body 2, two slide holes 11 are symmetrically arranged on the lower end side wall of the oil pump shell body 2, each slide hole 11 is communicated with the interior of the spring groove 9, a press plate 10 is connected in the spring groove 9 in a sliding manner, a press rod 12 is fixedly arranged on one side wall of the press plate 10, one end of the press rod 12, which deviates from the press plate 10, penetrates through the slide hole 11 and is connected in the slide hole 11 in a sliding manner, two springs 8 are symmetrically and fixedly arranged on one side of the press plate 10, which deviates from the slide hole 11, the other end of each spring 8 is fixedly connected to the side wall of the spring groove 9, a lower fixture block 15 is fixedly arranged below one side of the press plate 10, which deviates from the springs 8, an, the upper portion of one side opposite to the two clamping rods 13 is fixedly provided with an upper clamping block 14, the lower side wall of the upper clamping block 14 is abutted to the upper side wall of a lower clamping block 15, the center of an oil pump cover plate 1 is provided with a plunger rod hole, the plunger rod hole is vertically and slidably connected with a plunger rod 7, the upper end of the plunger rod 7 is fixedly provided with a plunger 6, the plunger 6 is slidably connected into an oil pump shell body 2, the upper end face of the oil pump shell body 2 is fixedly provided with an oil outlet valve seat 4, an oil outlet valve 5 is fixedly arranged in the oil outlet valve seat 4, two oil holes 3 are symmetrically formed in the side wall of the oil pump shell body 2, each oil hole 3 is communicated with the oil pump shell body 2, one end of the pressure rod 12, which deviates from the pressure plate 10, is provided with a.

In the utility model, when the user uses the device, when the oil pump cover plate 1 needs to be disassembled, the user presses the pressure lever 12 by hand, so that the pressure lever 12 extrudes the pressure plate 10, and further the pressure plate 10 compresses the spring 8, so that the two lower fixture blocks 15 move relatively, and further the lower fixture block 15 is separated from the lower end surface of the upper fixture block 14, further the upper fixture block 14 on the clamping rod 13 is conveniently taken down from the lower fixture block 15, and is separated from the lower fixture block 15, and further the oil pump cover plate 1 is conveniently taken down from the lower end surface of the oil pump shell body 2, and further the maintenance of the internal parts of the oil pump is convenient, when the oil pump cover plate 1 needs to be assembled, the two clamping rods 13 on the upper end surface of the oil pump cover plate 1 are upwards extruded, and further the upper fixture block 14 is pushed to extrude the lower fixture block 15, so that the lower fixture block 15 is compressed by the pressure plate 10 until the upper fixture block 14, make clamp plate 10 promote down fixture block 15 support the lower terminal surface at last fixture block 14 for carry out effectual joint down between fixture block 15 and the last fixture block 14, and then be convenient for fix kelly 13, and then be convenient for fix oil pump cover plate 1 at the lower terminal surface of oil pump case body 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A high-pressure oil pump shell comprises an oil pump shell body (2) and is characterized in that two spring grooves (9) are symmetrically formed in the side wall of the lower end of the oil pump shell body (2), two sliding holes (11) are symmetrically formed in the side wall of the lower end of the oil pump shell body (2), each sliding hole (11) is communicated with the corresponding spring groove (9), a pressing plate (10) is connected in the spring grooves (9) in a sliding mode, a pressing rod (12) is fixedly installed on one side wall of the pressing plate (10), one end, deviating from the pressing plate (10), of the pressing rod (12) penetrates through the corresponding sliding hole (11) and is connected in the corresponding sliding hole (11) in a sliding mode, two springs (8) are symmetrically and fixedly installed on one side, deviating from the sliding hole (11), of the pressing plate (10), the other end of each spring (8) is fixedly connected to the side wall of the corresponding spring groove (9), and a lower clamping block (15) is fixedly installed below one side, the lower side wall of oil pump case body (2) is provided with oil pump apron (1), two kelly (13), two are installed to the up end symmetry of oil pump apron (1) the top fixed mounting of the relative one side of kelly (13) has last fixture block (14), the lower side wall of going up fixture block (14) supports with the last side wall of fixture block (15) down.

2. The high-pressure oil pump shell as claimed in claim 1, wherein a plunger rod hole is formed in the center of the oil pump cover plate (1), a plunger rod (7) is vertically and slidably connected in the plunger rod hole, a plunger (6) is fixedly installed at the upper end of the plunger rod (7), and the plunger (6) is slidably connected in the oil pump shell body (2).

3. The high-pressure oil pump shell as claimed in claim 1, wherein an oil outlet valve seat (4) is fixedly mounted on the upper end face of the oil pump shell body (2), and an oil outlet valve (5) is fixedly mounted in the oil outlet valve seat (4).

4. The high-pressure oil pump shell as claimed in claim 1, wherein two oil holes (3) are symmetrically formed in the side wall of the oil pump shell body (2), and each oil hole (3) is communicated with the inside of the oil pump shell body (2).

5. A high-pressure oil pump housing as claimed in claim 1, characterized in that the end of the pressure rod (12) facing away from the pressure plate (10) is provided with a protective sleeve, which is made of rubber.

6. The high-pressure oil pump housing as claimed in claim 1, characterized in that the surface of the pump housing body (2) is coated with an anticorrosive layer, which is chromium.