CN220929640U - Oil pressure self-locking oil pump - Google Patents

Abstract

The utility model relates to the technical field of oil pumps, and discloses an oil pressure self-locking oil pump, which comprises an oil pump box 10, wherein an oil pump is arranged in the oil pump box 10, and a plurality of groups of upper and lower transfer pipelines 11 are fixedly arranged on the front side wall surface of the oil pump box 10 through brackets. Through the first rotary valve, the hydraulic oil can be manually locked, the first rotary valve can play two roles, firstly, hydraulic oil can enter the oil pipe when the first rotary valve is opened, and in addition, most importantly, in the utility model, after the hydraulic oil conveyed by the oil pipe is in a stable state, the first rotary valve is manually rotated to separate the hydraulic oil, and the hydraulic oil positioned in the oil pipe and the front end of the control box is in a stable working state, so that the hydraulic oil can be stored and stabilized to a certain extent, the problem of backflow of the hydraulic oil in the oil pipe caused by the stress of the hydraulic rod is solved, and the integral use efficiency of the utility model is ensured.

Description

Oil pressure self-locking oil pump

Technical Field

The utility model belongs to the technical field of oil pumps, and particularly relates to an oil pressure self-locking oil pump.

Background

The general oil pump just can go on in the oil pipe through the oil pump joint in just positive or negative (two directions), hydraulic oil, the output of oil pipe connects hydraulic stem device, and hydraulic oil then enters into the hydraulic stem like this for the hydraulic stem just can concertina movement, under the effect of hydraulic oil, can make the hydraulic stem be in stable extension operating condition, but in actual work, when hydraulic stem or pneumatic cylinder receive the reaction force or other force actions of external force at the during operation, very probably make the hydraulic oil pressure in oil pipe or the hydraulic stem increase fast this moment, and the light person causes the backward flow of hydraulic oil, leads to the backward flow damage of oil pump, and heavy then probably causes bursting of oil pipe.

The present utility model has been made in view of this.

Disclosure of utility model

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:

The utility model provides an oil pressure can auto-lock oil pump, includes the oil pump case, is provided with the oil pump in the oil pump case, has the transfer pipeline of upper and lower multiunit through support fixed mounting on the preceding lateral wall face of oil pump case, and the oil pump passes through pipeline and transfer pipeline connection, all disposes a plurality of control boxes on the preceding lateral wall face of every group transfer pipeline, and the front end fixedly connected with oil pump joint of control box, oil pump joint are connected with oil pipe, be provided with the first rotary valve that is used for manual locking oil pressure on the control box, still be provided with the mechanical pressure gauge that is used for reminding the locking back oil pressure size on the control box, still be provided with on the mechanical pressure gauge and be used for producing unusual and initiatively carrying out the pressure release subassembly of oil release after locking oil pressure.

As a preferred embodiment of the utility model, the first rotary valve is movably arranged on the control box, a first vertical connecting end is integrally formed on the bottom wall surface of the front side of the control box, the first connecting end is communicated with the inside of the cavity of the front side of the control box up and down, and internal threads are formed in the inner bottom of the cavity of the first connecting end.

As a preferred embodiment of the utility model, the top of the mechanical pressure gauge is integrally formed with a second connecting end, the top end of the second connecting end is fixedly welded with a threaded connecting end, and the outer wall of the threaded connecting end is provided with external threads corresponding to the internal threads.

As a preferred embodiment of the utility model, the pressure relief assembly comprises a pressure relief through pipe fixedly welded on one side wall surface of the second connecting end, wherein the pressure relief through pipe is U-shaped, one side of the pressure relief through pipe is an upper end, the upper end is fixedly welded on the wall surface of one side of the second connecting end, which is close to the uppermost side, the other side of the pressure relief through pipe is a lower end, the lower end is fixedly welded on the same wall surface of the second connecting end, which is the lowermost side, a pressure relief calandria is fixedly connected on one side wall surface of the pressure relief through pipe, which is far away from the second connecting end, and a connecting flange is arranged on the pressure relief calandria.

As a preferred embodiment of the present utility model, a second rotary valve is further installed on the upper end wall surface of the pressure relief through pipe, and the second rotary valve is located on a side wall surface close to the second connection end.

As a preferable implementation mode of the utility model, a one-way valve is also arranged on the inner wall surface of the lower end cavity of the pressure relief through pipe.

Compared with the prior art, the utility model has the following beneficial effects:

1. Through the first rotary valve, the hydraulic oil can be manually locked, the first rotary valve can play two roles, firstly, hydraulic oil can enter the oil pipe when the first rotary valve is opened, and in addition, most importantly, in the invention, after the hydraulic oil conveyed by the oil pipe is in a stable state, the first rotary valve is manually rotated to separate the hydraulic oil, and the hydraulic oil positioned in the oil pipe and the front end of the control box is in a stable working state, so that the hydraulic oil can be stored and stabilized to a certain extent, the problem of backflow of the hydraulic oil in the oil pipe caused by the stress of the hydraulic rod is solved, and the integral use efficiency of the invention is ensured.

2. The mechanical pressure gauge and the pressure relief assembly are arranged, so that the practicability and feasibility of the hydraulic oil pump are further improved, when the first rotary valve is closed, the hydraulic rod is subjected to the action of external force, the oil pressure in the pipeline is increased, the mechanical pressure gauge can play a role in warning and indicating, because a worker stands beside the oil pump box and needs to pay attention to the working of the hydraulic rod at a distance all the time, when the pressure of the oil pressure of the pipeline is overlarge and reaches the upper limit of the oil pressure of the pipeline, the pressure relief device can perform pressure relief in the first time, the hydraulic oil is rapidly released, and the problem that the hydraulic rod and the oil pipe burst due to the action of the oil pressure is avoided.

3. When the pressure of hydraulic oil in the oil pipe and the hydraulic rod is too high, the piston in the second connecting end moves downwards, and the second rotary valve is arranged and is normally not blocked, so that the hydraulic oil pump is manually opened only when pressure relief is needed. When the hydraulic pressure that mechanical manometer shows is too big, when will report about to, the piston will be pressed when reaching the bottommost, the piston motion is to the below this moment, like this, hydraulic oil in the second link then flows through pressure release siphunculus and pressure release calandria, pressure release calandria accessible flange joint returns the oil tank, retrieve the hydraulic oil that the pressure release comes out, when the oil tank has been seted up and has been collected to the discovery, then can manually open the second rotary valve, the hydraulic oil in the second link also can be through the upper end of pressure release siphunculus pressure release, so for quick pressure release, guarantee the safety of oil pipe and hydraulic stem, avoid taking place accident and unnecessary loss.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

FIG. 1 is an overall perspective view of the present utility model;

FIG. 2 is a perspective view of the control box 12 of the present utility model;

FIG. 3 is a perspective view of a mechanical pressure gauge 33, a second connection end 31 and a threaded connection end 32 of the present utility model;

Fig. 4 is a perspective view of the control box 12 and mechanical pressure gauge 33 of the present utility model assembled;

FIG. 5 is a side cross-sectional view of the control box 12 of the present utility model;

FIG. 6 is a cross-sectional view at A-A of the present utility model;

fig. 7 is an enlarged view of fig. 6 at a in accordance with the present utility model.

In the figure: 10. an oil pump tank; 11. a transfer pipeline; 12. a control box; 20. a first rotary valve; 30. a first connection end; 31. a second connection end; 32. a threaded connection end; 33. a mechanical pressure gauge; 34. a pressure relief through pipe; 35. a second rotary valve; 36. a one-way valve; 37. and a pressure relief calandria.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.

The utility model provides an oil pressure can auto-lock oil pump, as shown in fig. 1, fig. 2 and fig. 3, including oil pump case 10, be provided with the oil pump in the oil pump case 10, upper and lower multiunit transfer pipeline 11 is installed through support fixed mounting on the preceding lateral wall face of oil pump case 10, the oil pump passes through the pipeline to be connected with transfer pipeline 11, all dispose a plurality of control boxes 12 on the preceding lateral wall face of every group transfer pipeline 11, the front end fixedly connected with oil pump joint of control box 12, oil pump joint is connected with oil pipe, oil pump case 10, transfer pipeline 11 and control box 12 are prior art, need not be repeated here, be provided with the first rotary valve 20 that is used for manual locking oil pressure on the control box 12, still be provided with the mechanical pressure table 33 that is used for reminding the oil pressure size after locking on the control box 12, still be provided with on the mechanical pressure table 33 and be used for producing unusual and take part in the pressure release subassembly of taking part in an initiative after locking oil pressure.

When the oil pump in the oil pump box 10 works to deliver oil outwards, namely, when the oil pump works positively, hydraulic oil enters the control box 12 through the transfer pipeline 11, the control box 12 then enters the oil pipe through the oil pump joint, the output end of the oil pipe is connected with the hydraulic rod device, so that the hydraulic oil enters the hydraulic rod, the hydraulic rod can stretch and move, the hydraulic rod can be in a stable extending working state under the action of the hydraulic oil, at the moment, in order to prevent the hydraulic rod from being subjected to the reaction force during the working, the problem of pressure backflow of the hydraulic oil is prevented, the first rotary valve 20 can play a role of manually locking the oil pressure, the first rotary valve 20 can play two roles, and the first rotary valve 20 can enable the hydraulic oil to enter the oil pipe when being opened.

The mechanical pressure gauge 33 and the pressure relief assembly are arranged to further improve the practicability and feasibility of the hydraulic oil pump, when the first rotary valve 20 is closed, the hydraulic rod is subjected to the action of external force to increase the oil pressure in the pipeline, the mechanical pressure gauge 33 can play a role in warning and indicating, because a worker stands beside the oil pump box 10 and needs to pay attention to the working of the hydraulic rod at a distance all the time, when the pressure of the oil pressure of the pipeline is overlarge and reaches the upper limit of the oil pressure of the pipeline, the pressure relief device can relieve the pressure in the first time, so that the hydraulic oil is rapidly discharged, and the problem that the hydraulic rod and the oil pipe burst due to the oil pressure action is avoided.

As shown in fig. 3, fig. 4 and fig. 6, the first rotary valve 20 is movably mounted on the control box 12, the first rotary valve 20 is in the prior art, and not described herein, a first connecting end 30 is integrally formed on a bottom wall surface of the front side of the control box 12, the first connecting end 30 is vertically communicated with the front side of the control box 12 in a cavity, and an internal thread is formed in the inner bottom of the cavity of the first connecting end 30. The top integrated into one piece of mechanical manometer 33 has second link 31, the fixed welding in top of second link 31 has threaded connection end 32, set up the external screw thread that corresponds with the internal screw thread on the outer wall of threaded connection end 32, mechanical manometer 33 is prior art, mechanical manometer 33 comprises the piston that is located the second link 31 intracavity, with piston swing joint's connecting rod, the bull stick that is connected with mechanical manometer 33 inner wall through the torsional spring, the pointer on the bull stick outer wall, with connecting rod other end swing joint and have the linkage piece etc. of tooth limit, mechanical manometer 33 is prior art, the details are not repeated here.

As shown in fig. 6 and 7, the pressure relief assembly includes a pressure relief through pipe 34 fixedly welded on a side wall surface of the second connection end 31, the pressure relief through pipe 34 is U-shaped, one side of the pressure relief through pipe 34 is an upper end, the upper end is fixedly welded on a wall surface of one side of the second connection end 31, which is close to the uppermost side, the other side of the pressure relief through pipe 34 is a lower end, the lower ends are fixedly welded on the same and lowermost wall surface of the second connection end 31, a pressure relief drain pipe 37 is fixedly connected on a side wall surface of the pressure relief through pipe 34, which is far away from the second connection end 31, and a connection flange is configured on the pressure relief drain pipe 37.

As shown in fig. 6 and 7, a second rotary valve 35 is further installed on the upper end wall surface of the pressure release pipe 34, and the second rotary valve 35 is located on a side wall surface close to the second connection end 31. The inner wall surface of the lower cavity of the pressure release through pipe 34 is also provided with a one-way valve 36.

When the pressure of the hydraulic oil in the oil pipe and the hydraulic rod is too high, the piston in the second connecting end 31 moves downwards, and the second rotary valve 35 is arranged, so that the second rotary valve 35 is normally not blocked and is matched with manual opening only when pressure relief is needed. When the hydraulic pressure that mechanical manometer 33 shows is too big, when the report about to, the piston is about to be pressed when reaching the bottommost, the piston moves to the bottommost this moment, like this, hydraulic oil in the second link 31 then flows out through pressure release siphunculus 34 and pressure release calandria 37, pressure release calandria 37 accessible flange connection returns the oil tank, retrieve the hydraulic oil that the pressure release comes out, when the oil tank has been offered and has been collected hydraulic oil, then can manually open second rotary valve 35 this moment, the hydraulic oil in the second link 31 also can carry out the pressure release through the upper end of pressure release siphunculus 34 like this, in order to quick pressure release, guarantee the safety of oil pipe and hydraulic stem, avoid taking place accident and unnecessary loss.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. The utility model provides an oil pressure can auto-lock oil pump, includes oil pump case (10), is provided with the oil pump in oil pump case (10), has transfer pipeline (11) of upper and lower multiunit through support fixed mounting on the preceding lateral wall face of oil pump case (10), and the oil pump passes through the pipeline to be connected with transfer pipeline (11), all disposes a plurality of control boxes (12) on the preceding lateral wall face of every group transfer pipeline (11), and the front end fixedly connected with oil pump of control box (12) connects, and oil pump connects and is connected with oil pipe, a serial communication port, be provided with first rotary valve (20) that are used for manual locking oil pressure on control box (12), still be provided with on control box (12) and be used for reminding mechanical pressure gauge (33) of locking back oil pressure size, still be provided with on mechanical pressure gauge (33) and be used for producing unusual and initiatively carrying out the pressure release subassembly of oil after locking oil pressure.

2. The oil pressure self-locking oil pump according to claim 1, wherein the first rotary valve (20) is movably mounted on the control box (12), a first connecting end (30) is integrally formed on the bottom wall surface of the front side of the control box (12), the first connecting end (30) is vertically communicated with the front side cavity of the control box (12), and the inner bottom of the cavity of the first connecting end (30) is provided with an inner thread.

3. The oil pressure self-locking oil pump according to claim 2, wherein the top of the mechanical pressure gauge (33) is integrally formed with a second connecting end (31), the top end of the second connecting end (31) is fixedly welded with a threaded connecting end (32), and the outer wall of the threaded connecting end (32) is provided with external threads corresponding to the internal threads.

4. The oil pressure self-locking oil pump according to claim 1, wherein the pressure relief assembly comprises a pressure relief through pipe (34) fixedly welded on a side wall surface of the second connecting end (31), the pressure relief through pipe (34) is u-shaped, one side of the pressure relief through pipe (34) is an upper end, the upper end is fixedly welded on a side wall surface, close to the uppermost side, of the second connecting end (31), the other side of the pressure relief through pipe (34) is a lower end, the lower ends are fixedly welded on the same and lowermost wall surface of the second connecting end (31), a pressure relief drain pipe (37) is fixedly connected to a side wall surface, far away from the second connecting end (31), of the pressure relief through pipe (34), and a connecting flange is arranged on the pressure relief drain pipe (37).

5. The oil pressure self-locking oil pump according to claim 4, wherein a second rotary valve (35) is further installed on an upper end wall surface of the pressure relief pipe (34), and the second rotary valve (35) is located on a side wall surface close to the second connecting end (31).

6. The oil pressure self-locking oil pump according to claim 5, wherein the pressure release through pipe (34) is further provided with a check valve (36) on the inner wall surface of the lower end chamber.