CN220754582U - Oiling equipment - Google Patents

Abstract

The embodiment of the utility model relates to the technical field of oiling, and particularly discloses an oiling device, which comprises a vacuum pump, a pressure buffer tank and a liquid injection mechanism, wherein one end of the pressure buffer tank is connected with the vacuum pump, the other end of the pressure buffer tank is used for being connected with equipment to be injected, so that the vacuum pump can perform pressure buffer when pumping air in the equipment to be injected, and the liquid injection mechanism is used for being connected with the equipment to be injected to inject liquid into the equipment to be injected. According to the embodiment of the utility model, the air in the equipment to be injected can be pumped through the vacuum pump to form negative pressure, and the liquid is injected through the liquid injection mechanism, so that single filling can be realized without waiting for air in the equipment to be injected to be discharged, the time is saved, and the efficiency is improved.

Description

Oiling equipment

Technical Field

The embodiment of the utility model relates to the technical field of oiling, in particular to oiling equipment.

Background

The submersible motor is a motor for a submersible pump system, is applied to petroleum exploitation, and has special sealing and insulating designs. The submersible motor is injected with motor insulating oil through oil injection equipment, so that the functions of insulating property, cooling effect, lubrication and corrosion resistance are realized, the safe and reliable operation of the submersible motor is ensured, and the service life of the submersible motor is prolonged.

At present, the traditional oiling equipment of oily motor injection motor insulating oil of diving, at the in-process that the fluid was injected, the inside air of oily motor of diving can't in time be discharged, leads to the inside cavity that produces a plurality of by the oil separation of oily motor of diving, and the cavity is inside to be full of air, and the air is difficult to discharge for the inside fluid filling rate of oily motor of diving is not high. The oil filling rate is not high, and the motor is easy to overheat, poor lubrication or mechanical damage and the like. In order to improve the oil filling rate, the submersible motor is usually kept still for a period of time, air in the submersible motor is slowly discharged, and then the oil is refilled, so that the aim of improving the oil filling rate is fulfilled. Therefore, the conventional oil injection apparatus has low oil injection efficiency.

Disclosure of Invention

The technical problem to be solved mainly by the embodiment of the utility model is to provide the oiling equipment, which can improve the oiling efficiency.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides an oiling equipment, includes vacuum pump, pressure buffer tank and annotates liquid mechanism, and the vacuum pump is connected to the one end of pressure buffer tank, and the other end of pressure buffer tank is used for connecting to wait to annotate equipment to carry out pressure buffering when making the vacuum pump extract to annotate equipment internal air, annotate liquid mechanism and be used for being connected with waiting to annotate equipment, with to wait to annotate equipment injection liquid.

Optionally, the oiling device further comprises a connecting pipe assembly and a sealing connecting piece, wherein two ends of the connecting pipe assembly are respectively communicated with the pressure buffer tank and the sealing connecting piece, and the sealing connecting piece is used for being connected with the device to be injected.

Optionally, the connecting pipe assembly comprises a hard pipe section and a soft pipe section, wherein two ends of the hard pipe section are respectively communicated with the pressure buffer tank and the soft pipe section, and the soft pipe section is communicated with the sealing connecting piece.

Optionally, the oiling device further comprises a one-way valve, wherein the one-way valve is communicated with the connecting pipe assembly, and the flow direction of the one-way valve is a sealing connecting piece and flows to the connecting pipe assembly.

Optionally, the check valve is disposed between the connecting pipe assembly and the sealing connection member, the oiling device further comprises a first quick-change male head and a first quick-change female head, the first quick-change male head is connected with one of the check valve and the connecting pipe assembly, the first quick-change female head is connected with the other one of the check valve and the connecting pipe assembly, and the first quick-change female head and the first quick-change male head are detachably connected.

Optionally, the oiling device further comprises a first shunt, one end of the first shunt is communicated with the pressure buffer tank, a plurality of first shunt ports are formed in the other end of the first shunt, the number of the connecting pipe assemblies is the same as that of the first shunt ports, and each connecting pipe assembly is connected with a corresponding one of the first shunt ports.

Optionally, the oil filling device further comprises a liquid level sensor connected to the connecting pipe assembly, and the liquid level sensor is used for detecting the liquid level in the connecting pipe assembly.

Optionally, the liquid injection mechanism comprises a liquid injection pump body and a pipeline, one end of the pipeline is connected with the liquid injection pump body, and the other end of the pipeline is used for being connected with equipment to be injected.

Optionally, the liquid injection mechanism further comprises a liquid storage tank, wherein the liquid storage tank is communicated with the liquid injection pump body and is used for supplying liquid for the liquid injection pump body.

Optionally, the liquid injection device further comprises a base, the vacuum pump, the pressure buffer tank and the liquid injection pump body are respectively arranged on the base, the liquid storage tank is movably connected to the base, and the liquid storage tank can move into the base or out of the base relative to the base.

The embodiment of the utility model has the beneficial effects that: different from the situation of the prior art, the embodiment of the utility model comprises a vacuum pump, a pressure buffer tank and a liquid injection mechanism, wherein one end of the pressure buffer tank is connected with the vacuum pump, the other end of the pressure buffer tank is used for being connected with equipment to be injected, so that the vacuum pump is used for performing pressure buffer when pumping air in the equipment to be injected, and the liquid injection mechanism is used for being connected with the equipment to be injected to inject liquid into the equipment to be injected. Air in a liquid storage cavity of equipment to be injected is pumped through a vacuum pump, negative pressure is formed, liquid is injected through the liquid injection mechanism, and the air in the equipment to be injected is not required to be discharged, so that single filling can be realized, time is saved, and efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

Fig. 1 is a schematic diagram of the overall structure of an oiling device according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of an overall structure of an oiling device according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a partial enlarged view at B in FIG. 2;

FIG. 5 is an enlarged view of a portion of FIG. 2 at C;

fig. 6 is a partial enlarged view at D in fig. 2.

In the figure: the vacuum pump comprises a vacuum pump body 1, a pressure buffer tank 2, a liquid injection mechanism 3, a liquid injection pump body 31, a pipeline 32, a second quick-change male head 33, a second quick-change female head 34, a second flow divider 35, a second flow divider 351, a connecting pipe assembly 4, a hard pipe section 41, a first elbow hard pipe 411, a straight hard pipe 412, a second elbow hard pipe 413, a soft pipe section 42, a sealing connecting piece 5, a pipe joint 51, a sealing ring 52, a one-way valve 6, a first quick-change male head 7, a first quick-change female head 8, a first flow divider 9, a first flow division port 91, a liquid level sensor 10, a liquid storage tank 11, a base 12, a first placing groove 121, a second placing groove 122 and a pressure gauge 13.

Detailed Description

In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "upper," "lower," "inner," "outer," "vertical," "horizontal," and the like as used in this specification, refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 6, an oiling device comprises a vacuum pump 1, a pressure buffer tank 2 and a liquid injection mechanism 3, wherein one end of the pressure buffer tank 2 is connected with the vacuum pump 1, the other end of the pressure buffer tank 2 is used for being connected with a device to be injected, so that the vacuum pump 1 can perform pressure buffering when pumping air in the device to be injected, and the liquid injection mechanism 3 is used for being connected with the device to be injected so as to inject liquid into the device to be injected.

In some embodiments, the pressure buffer tank 2 is a cylindrical tank body, and compared with tank bodies of other shapes, for example, a square tank body, the cylindrical tank body has the characteristic of uniform pressure distribution under the action of gas pressure, so that the pressure can be better dispersed and balanced, the concentration area of the pressure is reduced, the purpose of buffering the pressure is achieved, and the stability in the vacuum pumping process is improved.

In some embodiments, a pressure gauge 13 is also included, the pressure gauge 13 being mounted to the pressure buffer tube. In the process of vacuum pumping of the vacuum pump 1, negative pressure is formed inside the equipment to be injected, so that the user can conveniently and intuitively and quickly know the magnitude of the negative pressure through the reading of the pressure gauge 13.

Further, referring to fig. 1, the oiling device further includes a connecting pipe assembly 4 and a sealing connecting piece 5, two ends of the connecting pipe assembly 4 are respectively communicated with the pressure buffer tank 2 and the sealing connecting piece 5, and the sealing connecting piece 5 is used for being connected with the device to be injected.

Further, referring to fig. 2 and 3, the connection pipe assembly 4 includes a hard pipe section 41 and a soft pipe section 42, wherein two ends of the hard pipe section 41 are respectively communicated with the pressure buffer tank 2 and the soft pipe section 42, and the soft pipe section 42 is communicated with the sealing connection piece 5.

In some embodiments, referring to fig. 2 and 3, the pressure buffer tank is a cylindrical tank body, and the pressure buffer tank 2 has a fixed height, so the height of the connecting pipe assembly 4 needs to be transited, so that the height of the connecting pipe assembly 4 is prevented from being too high, i.e. the connecting pipe assembly 4 is placed in a suspended state, so that collision and damage caused by the suspended placement of the connecting pipe assembly 4 are reduced. Specifically, the hard pipe section 41 includes a first elbow hard pipe 411, a straight hard pipe 412 and a second elbow hard pipe 413, the hose section 42 includes a first hose, the first elbow hard pipe 411 is communicated with the pressure buffer tank 2, one end of the straight hard pipe 412 is communicated with the first elbow hard pipe 411, the other end of the straight hard pipe 412 is communicated with the second elbow hard pipe 413, the first elbow hard pipe 411 is located above the second elbow hard pipe 413, one end of the first hose is communicated with the second elbow hard pipe 413, and the other end of the first hose is communicated with the sealing connection piece 5. Through the setting of first elbow hard tube 411, straight hard tube 412, second elbow hard tube 413 for the partial structure hardness of connecting pipe assembly 4 is high, and be difficult for deformation and bending, and then ensures connecting pipe assembly 4 in the in-process of ventilation gas or liquid, is difficult for blockking up, improves connecting pipe assembly 4's reliability. And the position of the first hose is adjusted in the vacuum pumping process by a user conveniently, so that the vacuum pumping device is more flexible and convenient.

Further, referring to fig. 2 and 3, the oiling device further includes a first diverter 9, one end of the first diverter 9 is communicated with the pressure buffer tank 2, a plurality of first diversion openings 91 are provided at the other end of the first diverter 9, the number of the connecting pipe assemblies 4 is the same as the number of the first diversion openings 91, and the first elbow hard pipe 411 of each connecting pipe assembly 4 is connected with a corresponding one of the first diversion openings 91. Through the above arrangement, when the vacuum pump 1 needs to simultaneously extract a plurality of gases in the equipment to be injected, the number of the corresponding first split ports 91 is increased correspondingly by the user, and the connecting pipe assemblies 4 are communicated in a one-to-one correspondence manner. Through the mode, the vacuum pump 1 can simultaneously extract a plurality of gases in the equipment to be injected, and the vacuum pumping efficiency of the vacuum pump 1 is effectively improved.

Further, referring to fig. 2 and 3, the oil filling apparatus further includes a liquid level sensor 10, the liquid level sensor 10 is connected to the connecting pipe assembly 4, and the liquid level sensor 10 is used for detecting the liquid level in the connecting pipe assembly 4.

In some embodiments, the hard tube section 41 of the connecting tube assembly 4 is a transparent glass tube, the liquid level sensor 10 is an optical liquid level sensor 10, and when the liquid level sensor 10 is connected to the hard tube section 41, the liquid level in the connecting tube assembly 4 can be detected quickly through the transparency of the hard tube section 41 of the transparent glass tube and the penetrability of the optical liquid level sensor 10, so that a user can conveniently and quickly know the liquid level in the connecting tube assembly 4.

In some embodiments, the device further comprises an alarm (not shown), wherein the alarm is connected to the connecting pipe assembly 4, the alarm is electrically connected with the liquid level sensor 10, and when the liquid level sensor 10 detects that the liquid level in the connecting pipe assembly 4 exceeds a preset alarm liquid level, the alarm sounds, so as to achieve the purpose of reminding a user.

In some embodiments, referring to fig. 2 and 4, the sealing connection piece 5 includes a pipe joint 51 and a sealing ring 52, one end of the pipe joint 51 is provided with external threads, the equipment to be injected is correspondingly provided with an interface with internal threads, the sealing ring 52 is sleeved at one end of the pipe joint 51, and the sealing ring 52 has elasticity. When one end of the pipe joint 51 is in threaded connection with the interface of the equipment to be injected, the sealing ring 52 seals a gap between the interface of the equipment to be injected and the pipe joint 51, namely, when one end of the pipe joint 51 is in threaded connection with the interface of the equipment to be injected, the sealing ring 52 is sleeved outside the pipe joint 51, and the sealing ring 52 elastically presses the interface surface of the equipment to be injected to form an elastic seal. The other end of the pipe joint 51 communicates with the check valve 6.

Further, referring to fig. 2 and 4, the oiling device further includes a check valve 6, wherein the check valve 6 is communicated with the connecting pipe assembly 4, and the flow direction of the check valve 6 is that the sealing connection piece 5 flows to the connecting pipe assembly 4. Through the unidirectional circulation effect of the unidirectional valve 6, the gas pumped to the pressure buffer tank 2 can be prevented from flowing back to the inside of the equipment to be injected in the process of pumping vacuum. In the present embodiment, the check valve 6 is disposed between the connection pipe assembly 4 and the sealing connection 5 to facilitate the installation and removal of the check valve 6. In some other embodiments, the check valve 6 may be disposed at an end of the connection pipe assembly 4 facing away from the sealing connection member 5, or the check valve 6 may be disposed at a middle portion of the connection pipe assembly 4, which is not limited herein.

Further, referring to fig. 2 and 4, the oiling device further includes a first quick-change male head 7 and a first quick-change female head 8, the first quick-change male head 7 is connected with one of the check valve 6 and the connecting pipe assembly 4, the first quick-change female head 8 is connected with the other of the check valve 6 and the connecting pipe assembly 4, and the first quick-change female head 8 and the first quick-change male head 7 are detachably connected.

In some embodiments, the first quick-change male head 7 is communicated with the check valve 6, the first quick-change female head 8 is communicated with the connecting pipe assembly 4, or the first quick-change male head 7 is communicated with the connecting pipe assembly 4, the first quick-change female head 8 is communicated with the check valve 6, that is, the connection sequence of the first quick-change male head 7 and the first quick-change female head 8 can be selected by a user according to actual requirements, and the application is not limited. Through the setting of the public head 7 of first quick change and the female head 8 of first quick change, can break off the check valve 6 fast and be connected with connecting pipe assembly 4, and then break off the oiling equipment fast and wait to annotate the intercommunication between the equipment.

Further, referring to fig. 2 and 5, the liquid injection mechanism 3 includes a liquid injection pump 31 and a pipe 32, one end of the pipe 32 is connected to the liquid injection pump 31, and the other end of the pipe 32 is used for being connected to a device to be injected.

In some embodiments, the liquid injection pump 31 is a gear pump, and the liquid injection pump 31 is provided with a liquid inlet and a liquid outlet, wherein the liquid inlet is used for communicating with the liquid storage tank 11, and the liquid storage outlet is communicated with the pipeline 32. By the driving action of the liquid injection pump body 31, liquid injection can be performed on the device to be injected quickly. Note that, the liquid injection pump 31 may be a pump body of another type than a gear pump, and the present application is not limited thereto.

In some embodiments, the tubing 32 includes a second hose, which is configured to facilitate the user in adjusting the position during the injection process, and is more flexible and convenient.

In some embodiments, referring to fig. 2 and 5, the injection mechanism 3 further includes a second flow divider 35, one end of the second flow divider 35 is connected to the injection pump body 31, the other end of the second flow divider 35 is provided with a plurality of second flow dividing ports 351, the number of the pipes 32 is the same as that of the second flow dividing ports 351, and one pipe 32 is correspondingly connected to one second flow dividing port 351. When the liquid injection pump body 31 needs to simultaneously inject liquid to a plurality of devices to be injected, the number of the corresponding second flow dividing ports 351 is increased by the user, and the number of the pipelines 32, the second quick-change male heads 33 and the second quick-change female heads 34 are correspondingly increased and communicated one by one. Through the mode, the liquid injection pump body 31 can simultaneously inject liquid for a plurality of to-be-injected devices, and the liquid injection efficiency of the liquid injection pump body 31 is effectively improved.

In some embodiments, referring to fig. 2 and 6, the liquid injection mechanism 3 further includes a second quick-change male head 33 and a second quick-change female head 34 that are detachably connected, one of the second quick-change male head 33 or the second quick-change female head 34 is communicated with the other end of the pipe 32, and the other one is used for being communicated with the device to be injected.

Further, referring to fig. 1 and 2, the liquid injection mechanism 3 further includes a liquid storage tank 11, the liquid storage tank 11 is communicated with the liquid injection pump 31, and the liquid storage tank 11 is used for supplying liquid to the liquid injection pump 31.

Further, referring to fig. 1 and 2, the liquid injection apparatus further includes a base 12, the vacuum pump 1, the pressure buffer tank 2 and the liquid injection pump 31 are respectively disposed on the base 12, the liquid storage tank 11 is movably connected to the base 12, and the liquid storage tank 11 can move into the base 12 or out of the base 12 relative to the base 12.

In some embodiments, the base 12 is provided with an opening (not shown) and a cavity (not shown), the liquid storage tank 11 is disposed in the cavity, and two sides of the liquid storage tank 11 are slidably connected with two side inner walls of the cavity to form a pull type liquid storage tank 11, so that a user can conveniently supplement liquid to the liquid storage tank 11 through a pull type connection mode.

In some embodiments, referring to fig. 1 and 2, the device further includes a handle, one end of the handle is fixedly connected with the base 12, the other end of the handle extends to a side of the base 12, and a plurality of universal wheels are fixed at the bottom of the base 12. Through the setting of handle and a plurality of universal wheels, the convenient user removes oiling equipment, and then the convenient user is according to the position of waiting to annotate equipment in the use, adjusts the position of oiling equipment at any time to improve user's convenient operation nature.

In some embodiments, referring to fig. 1 and 2, the hose section 42 of the connection tube assembly 4 is a first hose, and for convenience of use, the length of the first hose is generally longer, so, for convenience of storage of the first hose, the top of the base 12 is provided with a first placement groove 121, the first placement groove 121 is rectangular, the first placement groove 121 is provided with a first notch and a first storage cavity, the first notch is communicated with the first storage cavity, the first notch is used for allowing the first hose to extend into the first storage cavity, and the first storage cavity is used for storing the first hose. Through the setting of first standing groove 121, be favorable to the accomodating of first hose, avoid the messy distribution of first hose, and then avoid the user to stumble by the risk of the first hose of messy distribution. In addition, through the storage of the first placing groove 121, the first hose can be prevented from being pressed or damaged by other objects, and the service life of the first hose can be prolonged.

In some embodiments, referring to fig. 1 and 2, the pipe 32 is a second hose, and for convenience of use, the length of the second hose is generally longer, so, for convenience of storage of the second hose, the top of the base 12 is further provided with a second placement groove 122, the second placement groove 122 is rectangular, the second placement groove 122 is provided with a second notch and a second accommodating cavity, the second notch is communicated with the second accommodating cavity, the second notch is used for the second hose to extend into the second accommodating cavity, and the second accommodating cavity is used for accommodating the second hose. Through the setting of second standing groove 122, be favorable to the accomodating of second hose, avoid the messy distribution of second hose, and then avoid the user to stumble by the risk of the second hose of messy distribution. In addition, through the storage of the second placing groove 122, the second hose can be prevented from being pressed or damaged by other objects, and the service life of the second hose can be prolonged.

The embodiment of the utility model comprises a vacuum pump 1, a pressure buffer tank 2 and a liquid injection mechanism 3, wherein one end of the pressure buffer tank 2 is connected with the vacuum pump 1, the other end of the pressure buffer tank 2 is used for being connected with equipment to be injected, so that the vacuum pump 1 performs pressure buffer when pumping air in the equipment to be injected, and the liquid injection mechanism 3 is used for being connected with the equipment to be injected to inject liquid into the equipment to be injected. Air in a liquid storage cavity of equipment to be injected is pumped through the vacuum pump 1, negative pressure is formed, liquid is injected through the liquid injection mechanism 3, air in the equipment to be injected is not required to be discharged, single filling can be achieved, time is saved, and efficiency is improved.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (10)

1. An oil injection apparatus, comprising:

a vacuum pump;

one end of the pressure buffer tank is connected with the vacuum pump, and the other end of the pressure buffer tank is used for being connected with equipment to be injected, so that the vacuum pump can buffer the pressure when pumping air in the equipment to be injected;

the liquid injection mechanism is used for being connected with equipment to be injected so as to inject liquid into the equipment to be injected.

2. The oil filling apparatus according to claim 1, wherein,

the oiling device further comprises a connecting pipe assembly and a sealing connecting piece, wherein two ends of the connecting pipe assembly are respectively communicated with the pressure buffer tank and the sealing connecting piece, and the sealing connecting piece is used for being connected with the device to be injected.

3. The oil filling apparatus according to claim 2, wherein,

the connecting pipe assembly comprises a hard pipe section and a soft pipe section, wherein two ends of the hard pipe section are respectively communicated with the pressure buffer tank and the soft pipe section, and the soft pipe section is communicated with the sealing connecting piece.

4. The oil filling apparatus according to claim 2, wherein,

the oiling device further comprises a one-way valve, the one-way valve is communicated with the connecting pipe assembly, and the flow direction of the one-way valve is that the sealing connecting piece flows to the connecting pipe assembly.

5. The oil filling apparatus according to claim 4, wherein,

the one-way valve is arranged between the connecting pipe assembly and the sealing connecting piece;

the oiling equipment further comprises a first quick-change male head and a first quick-change female head, wherein the first quick-change male head is connected with one of the check valve and the connecting pipe assembly, the first quick-change female head is connected with the other one of the check valve and the connecting pipe assembly, and the first quick-change female head and the first quick-change male head are detachably connected.

6. The oil filling apparatus according to claim 2, wherein,

the oiling device further comprises a first shunt, one end of the first shunt is communicated with the pressure buffer tank, and a plurality of first shunt ports are formed in the other end of the first shunt;

the number of the connecting pipe assemblies is the same as that of the first shunt ports, and each connecting pipe assembly is connected with a corresponding one of the first shunt ports.

7. An oil filling apparatus according to any one of claims 2-6, wherein,

the oiling device further comprises a liquid level sensor connected to the connecting pipe assembly, and the liquid level sensor is used for detecting the liquid level in the connecting pipe assembly.

8. The oil filling apparatus according to claim 1, wherein,

the liquid injection mechanism comprises a liquid injection pump body and a pipeline, one end of the pipeline is connected with the liquid injection pump body, and the other end of the pipeline is used for being connected with equipment to be injected.

9. The oil filling apparatus according to claim 8, wherein,

the liquid injection mechanism further comprises a liquid storage tank, wherein the liquid storage tank is communicated with the liquid injection pump body, and the liquid storage tank is used for supplying liquid to the liquid injection pump body.

10. The oil filling apparatus according to claim 9, wherein,

the liquid injection device further comprises a base, and the vacuum pump, the pressure buffer tank and the liquid injection pump body are respectively arranged on the base;

the liquid storage tank is movably connected to the base, and can move into the base or out of the base relative to the base.