CN213954964U - Lubricating pump - Google Patents

Abstract

The utility model relates to a lubricating pump, including the pump body, the oil storage chamber, pumping unit, the oil storage chamber is seted up in the pump body, pumping unit sets up on the pump body, last oil feed mouth, oil suction hole and the lubricating oil export of being provided with of pumping unit, the oil feed mouth is used for being connected with drive oil pipeline, oil suction hole is connected with the oil storage chamber, the lubricating oil export is used for going out oil pipeline with lubricating oil and is connected, be provided with vertical guide arm in the oil storage chamber, it presses the oil board to slide along vertical direction on the vertical guide arm, press the oil board to separate into upper and lower two pump inner spaces with the oil storage chamber, one of them pump inner space is used for storing lubricating oil, oil suction hole is linked together with the pump inner space of storing lubricating oil, thereby it has certain lubricating oil surplus to be provided with the locating part that conflict restriction pressed the oil board to slide the stroke in the pump inner space. This application limits the stroke of pressing the oil board through the locating part for lubricating oil in the oil storage intracavity can not the pump sending complete, reduces because of the not enough condition that leads to pumping unit oil absorption and pump oil to be unfavorable for lubricating oil.

Description

Lubricating pump

Technical Field

The application relates to the technical field of lubricating equipment, in particular to a lubricating pump.

Background

A lubrication pump is a lubrication device for supplying lubricant to a lubrication site. Mechanical equipment needs regular lubrication, the main mode of the prior lubrication is that manual lubrication is carried out after a certain maintenance period is reached according to the working condition of the equipment, for example, butter is injected in a popular way, and the maintenance work can be simpler and more convenient through a lubrication pump.

The lubricating pump structure includes the pump body and pumping unit, has seted up the oil storage chamber in the pump body, and pumping unit installs on the pump body for under the power that the drive oil provided, pump out the lubricating oil in the oil storage chamber.

In view of the above related technologies, the inventor believes that in the process of pumping lubricating oil, the pumping unit is required to be in good contact with the lubricating oil, and a certain amount of lubricating oil is required in the oil storage cavity of the pump body, so as to ensure smooth performance of oil absorption and oil pumping processes of the pumping unit.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility of too low oil in the oil storage cavity, the application provides a lubricating pump.

The application provides a lubricating pump adopts following technical scheme:

lubricating pump, including the pump body, oil storage chamber, pumping unit, the oil storage chamber is seted up in the pump body, pumping unit sets up on the pump body, is provided with on the pumping unit and supplies oil mouth, oil absorption hole and lubricating oil export, supply oil mouth to be used for being connected with drive oil pipeline, oil absorption hole is connected with the oil storage chamber, the lubricating oil export is used for going out oil pipe with lubricating oil and says and be connected, be provided with vertical guide arm in the oil storage chamber, slide along vertical direction on the vertical guide arm and be connected with and press the oil board, press the oil board to separate into upper and lower two pump inner spaces with the oil storage chamber, one of them pump inner space is used for storing lubricating oil, oil absorption hole is linked together with the pump inner space of storing lubricating oil, be provided with the locating part that conflict restriction pressed oil board displacement in the pump inner space.

Through adopting above-mentioned technical scheme, lubricating oil stores in one of them pump inner space, and during the use, lubricating oil in this pump inner space reduces gradually, presses the oil board to slide and takes place the conflict with the locating part gradually, and during the conflict, pumping unit is difficult to continue to pump lubricating oil to it is spacing to the stroke of sliding of pressing the oil board, makes the lubricating oil of oil storage intracavity can not pump up, reduces because of the not smooth condition of pumping unit oil absorption and pump oil that leads to of lubricating oil inadequacy.

Optionally, the locating part includes spacing post and fixing bolt, the mounting hole has been seted up towards the one end of pressing the oil board to spacing post, and the other end sets up threaded hole, and the mounting hole is linked together with the screw hole and forms the first step that supplies fixing bolt's head joint, and fixing bolt threaded connection is in the screw hole, and fixing bolt wears out spacing post one end to pressing the oil board back to threaded connection is on roof or interior diapire in the pump body.

By adopting the technical scheme, the limiting column is in threaded connection with the fixing bolt, the fixing bolt is in threaded connection with the pump body, and the limiting column is enabled to axially move on the fixing bolt along the fixing bolt by rotating the limiting column, so that the stroke limiting degree of the pressure oil plate is adjusted.

Optionally, be provided with oil level indicating device in the pump body, oil level indicating device includes sleeve, pilot lever, supporting spring and sealing member, the pilot lever slides and sets up in the sleeve, be provided with the bulge loop on the pilot lever, the supporting spring cover is located on the pilot lever and one end is inconsistent with the bulge loop, and the supporting spring other end is inconsistent with the sleeve, the both ends of pilot lever are conflict end and instruction end respectively, and the conflict end stretches out the sleeve and is used for pressing the oil board inconsistent with the lubricating pump, and the instruction end is located the sleeve, and stretches out the sleeve when pressing the oil board conflict pilot lever, the sealing member sets up and is used for preventing that lubricating oil from spilling between pilot lever and the sleeve.

By adopting the technical scheme, the oil quantity in the pump body is monitored by using the oil level indicating device, and when more or less lubricating oil exists in the oil storage cavity, the condition of the internal oil level of a worker is prompted; specifically, during the pump oil, press the oil board to remove to contradict with the conflict end of indicator lever when the oil mass is less, promote the indicator lever and move outward to the pump body, supporting spring contracts, and the indicator end exposes outside the pump body gradually, and the workman observes when the indicator end, explains that the oil mass is less in the pump body, and according to the length that the indicator end exposes, can roughly judge the deficient degree of lubricating oil.

Optionally, the oil level indicating devices are arranged in two and inverted to each other, the two oil level indicating devices are respectively arranged on the bottom wall and the top wall of the pump body, the abutting ends of the oil level indicating devices are located inside the pump body, and the indicating ends extend out of the pump body in the direction away from the oil pressing plate.

Through adopting above-mentioned technical scheme, a oil level indicating device instructs the lack of lubricating oil, and the surplus degree of another reaction lubricating oil is convenient more reasonable when the lubricating pump uses, and the workman of being convenient for more masters the approximate oil mass of lubricating oil in the pump body.

Optionally, the inner wall of the sleeve is provided with a support ring, and the support spring abuts against the support ring and thus abuts against the sleeve.

Through adopting above-mentioned technical scheme, supporting spring one end is contradicted with the bulge loop, and the other end is contradicted with the support ring, and mounting structure is simple, stable.

Optionally, a threaded plug is connected to the indicating rod through a thread, and the threaded plug is located on one side, back to the abutting end, of the support ring.

Through adopting above-mentioned technical scheme, the screw plug is used for limiting the distance that the indication rod moved up, especially when supporting spring resets, the distance that moves up of restriction indication rod.

Optionally, the outer wall of the sleeve is provided with an installation part, and the outer wall of the installation part is provided with an installation screw and a nut part which is convenient for screwing the installation part.

By adopting the technical scheme, the mounting screw rod enables the sleeve and the pump body to be conveniently mounted, and the nut part facilitates workers to rotate the mounting screw rod.

Optionally, sleeve one end is provided with a spacing section of thick bamboo, and outside the instruction end was located to the spacing section of thick bamboo cover, the observation groove that pierces through a spacing section of thick bamboo lateral wall was seted up to the lateral wall of a spacing section of thick bamboo, and the tip that a spacing section of thick bamboo kept away from the end of touching is provided with spacing lid.

Through adopting above-mentioned technical scheme, when instructing the end and removing observation trench position, the workman can observe the instruction end to learn the condition of the internal lubricating oil mass of pump, spacing lid carries on spacingly to the removal of indication lever.

Optionally, one end of the limiting cylinder is provided with a mounting stud, and the limiting cylinder is connected to the sleeve through the mounting stud in a threaded manner.

Through adopting above-mentioned technical scheme for spacing section of thick bamboo can be dismantled with the sleeve and be connected, and the dismouting process is convenient.

Optionally, the seal comprises a sealing washer located on a side of the mounting stud facing the abutment end.

Through adopting above-mentioned technical scheme, form sealedly between installation double-screw bolt and conflict end, avoid the lubricating oil of oil storage intracavity to spill through oil level indicating device department, produce extravagantly, seal ring simple structure, it is with low costs, it is sealed effectual.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the limiting piece is used for limiting the moving stroke of the oil pressing plate, and when the limiting piece is abutted against the oil pressing plate, the pumping unit is difficult to pump lubricating oil continuously, so that the sliding stroke of the oil pressing plate is limited, the lubricating oil in the oil storage cavity cannot be pumped completely, and the situations of oil absorption and unsmooth oil pumping of the pumping unit due to insufficient lubricating oil are reduced;

2. the limiting column is in threaded connection with the fixing bolt, the fixing bolt is in threaded connection with the pump body, and the limiting column is enabled to move on the fixing bolt along the axial direction of the fixing bolt by rotating the limiting column, so that the stroke limiting degree of the pressure oil plate is adjusted;

3. monitoring the oil quantity in the pump body by using an oil level indicating device, and prompting the condition of the internal oil level of a worker when more or less lubricating oil exists in an oil storage cavity; specifically, during the pump oil, press the oil board to remove to contradict with the conflict end of indicator lever when the oil mass is less, promote the indicator lever and move outward to the pump body, supporting spring contracts, and the indicator end exposes outside the pump body gradually, and the workman observes when the indicator end, explains that the oil mass is less in the pump body, and according to the length that the indicator end exposes, can roughly judge the deficient degree of lubricating oil.

Drawings

FIG. 1 is a schematic diagram of a lubrication pump according to an embodiment of the present application;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is an enlarged view at C of FIG. 2;

FIG. 4 is a schematic structural view of an oil level indicating device in a lubrication pump according to an embodiment of the present application;

FIG. 5 is a cross-sectional view B-B of FIG. 1;

FIG. 6 is an enlarged view at D of FIG. 5;

FIG. 7 is an enlarged view at E in FIG. 5;

FIG. 8 is a cross-sectional view of the piston sleeve and check valve of an embodiment of the lubrication pump of the present application;

fig. 9 is a structural sectional view of a check valve of a lubrication pump of an embodiment of the present application.

Description of reference numerals: 1. a pump body; 11. an oil storage chamber; 111. pressing a oil plate; 112. a vertical guide rod; 12. a communication port; 13. a protective shell; 131. a butterfly bolt; 2. a pumping conduit; 21. a first pumping conduit; 22. a second pumping conduit; 3. an oil absorption assembly; 31. a return spring; 32. a one-way valve; 321. the spring is tightly propped; 322. a valve seat; 3221. a valve stem bore; 323. a one-way plug; 3231. a drive conical surface; 324. adjusting a screw plug; 3241. trepanning; 3242. an oil outlet hole; 325. a valve stem; 326. a seal ring; 33. an oil suction piston; 331. a rod portion; 332. abutting against the contact; 34. sealing sleeves; 4. an oil delivery assembly; 41. an oil cylinder; 411. a drive chute; 412. an oil inlet; 42. a drive piston; 5. a pump unit mounting block; 511. an oil cylinder mounting hole; 51. a pump unit valve block; 53. a valve cover of the oil cylinder; 531. an oil supply port; 54. a drive oil passage; 541. a first drive oil passage; 542. a second drive oil passage; 6. a piston sleeve; 61. an oil inlet sleeve and an oil outlet sleeve; 62. an oil suction sleeve; 621. an oil suction hole; 63. installing a sleeve; 631. a second thread; 64. a second step; 65. a contact conical surface; 66. a lubricant outlet; 7. an oil level indicating device; 71. a sleeve; 72. an indication lever; 73. a support spring; 74. a seal member; 721. a contact end; 722. an indicating end; 723. a convex ring; 711. a support ring; 712. an installation part; 7121. installing a screw rod; 7122. a nut portion; 713. a limiting cylinder; 714. mounting a stud; 7131. an observation tank; 7132. a limiting cover; 724. a threaded plug; 8. a limiting member; 81. a limiting column; 82. fixing the bolt; 811. mounting holes; 812. a threaded hole; 813. a first step.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

The embodiment of the application discloses a lubricating pump. With reference to fig. 1, it comprises a pump body 1 and a pumping unit. The pumping unit is mounted on the top surface of the pump body 1 by a pump unit mounting block 5. The protective shell 13 is installed on the top surface of the pump body 1, and the protective shell 13 covers the pump unit installation block 5 and is fixedly connected with the pump unit installation block 5 through the butterfly bolt 131.

As shown in fig. 1 and 2, an oil storage cavity 11 is formed in the pump body 1, an oil pressing plate 111 and a vertical guide rod 112 are arranged in the oil storage cavity 11, the vertical guide rod 112 is connected with the inner top wall and the inner bottom surface of the pump body 1, the oil pressing plate 111 is horizontally arranged and sleeved on the vertical guide rod 112 and is connected with the vertical guide rod 112 in a sliding manner, the edge of the oil pressing plate 111 is tightly attached to the pump body 1, so that the oil storage cavity 11 is divided into an upper layer and a lower layer, and during use, lubricating oil is stored in the oil storage cavity 11 above the oil pressing plate 111.

As shown in fig. 2 and 3, the pump body 1 is provided with two oil level indicating devices 7, the two oil level indicating devices 7 are respectively installed on an inner top wall and an inner bottom wall in the oil storage chamber 11, and the oil level indicating devices 7 on the inner top wall and the inner bottom wall have the same structure and size and are arranged in an inverted manner.

As shown in fig. 3 and 4, the oil level indicating device 7 includes a sleeve 71, an indicating rod 72, a supporting spring 73 and a sealing member 74, two ends of the indicating rod 72 are an abutting end 721 and an indicating end 722 respectively, the indicating rod 72 is slidably disposed in the sleeve 71, a protruding ring 723 is integrally protruded on the surface of the indicating rod 72, a supporting ring 711 is coaxially and integrally protruded on the inner wall of the sleeve 71, the supporting spring 73 is sleeved on the indicating rod 72 and one end of the supporting spring is abutted against the protruding ring 723, the other end of the supporting spring 73 is abutted against the supporting ring 711 so as to be abutted against the sleeve 71, and the abutting end 721 extends out of the sleeve 71 and is used for abutting against the oil pressing plate 111 of the.

The outer wall of the sleeve 71 is provided with a mounting part 712, and a mounting screw 7121 and a nut part 7122 which facilitates screwing the mounting part 712 are integrally arranged on the outer wall of the mounting part 712. The mounting screw 7121 is integrally connected to the nut portion 7122, and a screw thread engaged with the mounting screw 7121 is provided at a connection portion between the pump body 1 and the mounting portion 712, so that the sleeve 71 is mounted on the pump body 1, and the nut portion 7122 is located outside the pump body 1.

One end of the sleeve 71 is provided with a limiting cylinder 713, the limiting cylinder 713 is sleeved outside the indicating end 722, and one end of the limiting cylinder 713, which is close to the sleeve 71, is integrally provided with a mounting stud 714 and is in threaded connection with the sleeve 71 through the mounting stud 714.

The outer side wall of the limiting cylinder 713 is provided with an observation groove 7131 penetrating through the side wall of the limiting cylinder 713, the end part of the limiting cylinder 713 far away from the contact end 721 is provided with a limiting cover 7132, the indicating end 722 is positioned in the sleeve 71 and extends out of the sleeve 71 and moves to the range of the observation groove 7131 when the pressure oil plate 111 abuts against the indicating rod 72, so that the indicating cover can be observed.

Seal 74 includes a sealing washer located on the side of mounting stud 714 facing abutment end 721 to prevent leakage of oil.

A threaded plug 724 is screwed onto the indicator rod 72, the threaded plug 724 being located on the side of the support ring 711 facing away from the contact end 721.

As shown in fig. 2 and 3, the pump body 1 is provided with the limiting members 8, the limiting members 8 are provided with four in total, two are located on the inner bottom wall of the oil storage chamber 11, two are located on the inner top wall of the oil storage chamber 11, the limiting members 8 on the inner top wall and the limiting members 8 on the inner bottom wall are the same in structural size.

As shown in fig. 3, the limiting member 8 includes a limiting column 81 and a fixing bolt 82, one end of the limiting column 81 facing the oil pressing plate 111 is provided with a fixing hole, the other end is provided with a threaded hole 812, the fixing hole is communicated with the threaded hole 812 and forms a first step 813 for clamping the head of the fixing bolt 82, the fixing bolt 82 is in threaded connection with the threaded hole 812, and the fixing bolt 82 penetrates through one end of the limiting column 81 opposite to the oil pressing plate 111 and is in threaded connection with the inner top wall or the inner bottom wall of the pump body 1.

As shown in fig. 1 and 2, two communication ports 12 are formed in the top surface of the pump body 1, two pump unit mounting blocks 5 are provided, and each pump unit mounting block includes a pump unit valve block 51 and a cylinder valve cover 53, and ten pumping units are mounted on each pump unit mounting block 5, and five pumping units are one layer and two layers in total. In each pump unit mounting block 5, there is one cylinder valve cover 53, and the number of pump unit valve blocks 51 is the same as the number of pumping units.

The oil cylinder valve covers 53 are fixed on the top surface of the pump body 1 through bolts, and the two oil cylinder valve covers 53 are distributed along the length direction of the pump body 1 and are symmetrically arranged.

Two first driving oil channels 541 which are horizontally arranged and extend along the width direction of the pump body 1 are arranged in the oil cylinder valve cover 53, the two first driving oil channels 541 are distributed up and down and respectively correspond to one layer of pumping unit, and the two first driving oil channels 541 are mutually communicated.

The pump unit valve block 51 has a rectangular parallelepiped structure, and the pump unit valve block 51 is positioned above the communication port 12 and blocks the communication port 12. The pump unit valve block 51 is fixed on the opposite sides of the two cylinder valve covers 53 through bolts, and the pump unit valve block 51 is connected with the top surface of the pump body 1 through bolts.

The surface of the pump unit valve block 51 opposite to the connected cylinder valve cover 53 is provided with an oil supply port 531, the pump unit valve block 51 is internally provided with a second driving oil channel 542 extending along the length direction of the pump body 1, the second driving oil channel 542 is communicated with the oil supply port 531 and the first driving oil channel 541, and the first driving oil channel 541 and the second driving oil channel 542 form a driving oil channel 54.

As shown in fig. 2, the pumping unit includes a pumping pipeline 2, and an oil suction assembly 3 and an oil delivery assembly 4 disposed in the pumping pipeline 2.

As shown in fig. 5 and 6, the oil feeding assembly 4 includes an oil cylinder 41 and a driving piston 42.

As shown in fig. 7, the oil suction assembly 3 includes a return spring 31, a check valve 32, and an oil suction piston 33. The suction piston 33 includes a rod 331 and an interference head 332.

As shown in fig. 7, the pumping duct 2 opens in the pump unit valve block 51, and includes a first pumping duct 21 and a second pumping duct 22 which are coaxially disposed and communicate with each other.

As shown in fig. 6, a cylinder mounting hole 511 is opened on the surface of the pump unit valve block 51 facing the cylinder valve cover 53, the cylinder 41 is mounted in the cylinder mounting hole 511, a driving sliding slot 411 coaxial with the cylinder mounting hole 511 is opened in the cylinder 41, the driving sliding slot 411 penetrates through the joint of the cylinder valve cover 53 and the pump unit valve block 51 in the direction of the cylinder valve cover 53 to form an oil inlet 412, and the oil inlet 412 is communicated with the driving oil channel 54. The other end of the driving chute 411 extends in a direction back to the cylinder valve cover 53 and is communicated with the first pumping pipeline 21, and the driving piston 42 is connected in the driving chute 411 and the first pumping pipeline 21 in a sliding manner.

As shown in fig. 6 and 7, one end of the second pumping duct 22 is connected to one end of the first pumping duct 21 away from the driving chute 411, and the other end penetrates the pump unit valve block 51 along the length direction of the pump body 1.

As shown in fig. 7 and 8, a piston sleeve 6 is installed in one end of the second pumping pipe 22 far from the first pumping pipe 21, the piston sleeve 6 includes an oil inlet and outlet sleeve 61, an oil suction sleeve 62 and an installation sleeve 63 which are coaxially connected in sequence along a direction from the first pumping pipe 21 to the second pumping pipe 22, a first thread is provided on an inner wall of the second pumping pipe 22 penetrating through the pump unit valve block 51, a second thread 631 matching with the first thread is provided on an outer wall of the installation sleeve 63, the installation sleeve 63 is installed by matching of the first thread and the second thread 631, an outer diameter of the oil inlet and outlet sleeve 61 is smaller than an outer diameter of the oil suction sleeve 62, so as to form a second step 64, an inner diameter of the oil inlet and outlet sleeve 61 is the same as that of the oil suction sleeve 62, an outer diameter of the oil suction sleeve 62 is smaller than that of the installation sleeve 63, an inner diameter of the installation sleeve 63 is larger than that of the oil suction sleeve 62, an interference conical surface 65 is provided at a connection position of the inner wall of the installation sleeve 63 and the inner wall of the oil suction sleeve 62, the end of the mounting sleeve 63 remote from the oil suction sleeve 62 is provided with a lubricating oil outlet 66.

The oil inlet and outlet sleeve 61 and the oil suction sleeve 62 are located above the communication port 12, an oil suction hole 621 penetrating through the side wall of the oil suction sleeve 62 is formed in the inner wall of the oil suction sleeve 62, a pumping cavity is formed in the bottom surface of the pump unit valve block 51, and the pumping cavity is communicated with the communication port 12, so that the oil suction hole 621 is communicated with the oil storage cavity 11 in the pump body 1.

The end of the rod 331 of the oil suction piston 33 away from the abutting head 332 slides in the oil inlet and outlet sleeve 61 and the oil suction sleeve 62. The other end of the rod portion 331 penetrates the first pumping duct 21, and the interference head 332 is integrally and coaxially disposed on a portion of the rod portion 331 penetrating the first pumping duct 21. The abutting head 332 is pushed by the driving piston 42, so that the rod 331 is driven to move toward the oil suction hole 621, a sealing sleeve 34 for sealing the first pumping passage 21 and the rod 331 is installed on a portion of the rod 331 located between the first pumping passage 21 and the driving piston 42, and the sealing sleeve 34 is a rubber sleeve.

As shown in fig. 8 and 9, the check valve 32 includes a holding spring 321, a valve seat 322, a check plug 323 and an adjusting screw plug 324, the adjusting screw plug 324 is screwed into the installation sleeve 63, a sleeve hole 3241 coaxial with the installation sleeve 63 is formed at the top end of the adjusting screw plug 324, an oil outlet hole 3242 coaxial with the sleeve hole 3241 for allowing the lubricating oil to flow out when the check valve 32 is conducted is formed at the bottom end of the adjusting screw plug 324, one end of the holding spring 321 abuts against the bottom surface of the sleeve hole 3241, the valve seat 322 is sleeved at the other end of the holding spring 321, a valve rod hole 3221 penetrating through the two ends of the valve seat 322 and coaxial with the installation sleeve 63 is formed on the valve seat 322, a vertical valve rod 325 slides in the valve rod hole 3221, the check plug 323 is integrally arranged at the top end of the valve rod 325 and extends upwards into the oil outlet sleeve 61, the outer wall of the check plug 323 has a driving conical surface 3231 matched with the conical surface 65, the inclination degree of the driving conical surface 3231 is greater than that abuts against the conical surface 3265, the valve stem 325 is sleeved with a sealing ring 326, and the sealing ring 326 is located between the one-way plug 323 and the top surface of the valve seat 322 and is used for separating the oil inlet/outlet sleeve 61 and the installation sleeve 63 when the abutting spring 321 abuts against the driving conical surface 3231 on the abutting conical surface 65.

When the end of the rod 331 away from the abutting head 332 is located at the side of the oil suction hole 621 facing the oil outlet sleeve and moves towards the abutting head 332, the lubricating oil in the oil storage chamber 11 is sucked into the oil suction sleeve 62; when the end of the rod 331 away from the abutting contact 332 is located on the side of the oil suction hole 621 facing away from the oil suction sleeve 62 and moves toward the direction of the mounting sleeve 63, the oil in the oil suction sleeve 62 is pumped out.

The implementation principle of the lubricating pump in the embodiment of the application is as follows:

when the oil-sucking device is used, a driving oil pipeline providing driving force is connected to the oil supply port 531, the driving oil enters the oil cylinder 41 along the second driving oil channel 542, the second driving oil channel 542 and the oil inlet 412, the driving piston 42 is pushed to move towards the one-way valve 32 along the driving chute 411, when the driving oil moves, the driving oil abuts against the abutting head 332 of the oil-sucking piston 33 and pushes the rod part 331 of the oil-sucking piston 33 to move towards the one-way valve 32, in the process, the return spring 31 contracts, when the rod part 331 moves through the oil-sucking hole 621, the oil pressure between the rod part 331 and the one-way valve 32 is increased due to compression, acting force is generated on the one-way plug 323, the abutting spring 321 contracts, a gap is generated between the one-way plug 323 and the inner wall of the mounting sleeve 63, the one-way valve 32 is communicated, and the lubricating oil passes through the one-way valve 32 and is pumped out through the lubricating oil outlet 66.

After the lubricating oil is pumped out, the supply of the driving oil is stopped, the return spring 31 is gradually reset, the oil suction piston 33 is dragged to move reversely, and the oil cylinder 41 is reset. When the lever portion 331 moves to a side of the oil suction hole 621 facing away from the check valve 32, a negative pressure is generated and the oil suction hole 621 sucks the lubricating oil. When the driving oil is supplied in sequence again, the last action and movement are repeated, and the reciprocating circulation is realized, so that the continuous oil supply is realized.

Lubricating oil is stored in the oil storage cavity 11 above the oil pressing plate 111, the oil pressing plate 111 rises along with the pumping of the lubricating oil, when the oil pressing plate 111 abuts against the abutting end 721 of the indicating rod 72 above, the supporting spring 73 contracts, the indicating rod 72 moves upwards, the indicating section of the indicating rod 72 moves to the position of the observation groove 7131, and a worker can know that the lubricating oil in the oil storage cavity 11 is insufficient through the penetrating and extending indicating end 722 and timely supplements the lubricating oil.

On the other hand, when the oil pressing plate 111 is at a lower position, the oil pressing plate 111 abuts against the abutting end 721 of the indicating rod 72 mounted on the bottom surface of the pump body 1, the supporting spring 73 is in a contracted state, and the bottom end of the indicating end 722 is located at the position of the observing groove 7131, so that a worker can know that the lubricating oil in the oil storage chamber 11 is in a full state by observing the indicating end 722.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A lubrication pump, characterized by: including the pump body (1), oil storage chamber (11), pumping unit, oil storage chamber (11) is seted up in the pump body (1), pumping unit sets up on the pump body (1), is provided with on the pumping unit and supplies oil mouth (531), oil absorption hole (621) and lubricating oil export (66), oil supply hole (531) are used for being connected with drive oil pipeline, oil absorption hole (621) are connected with oil storage chamber (11), lubricating oil export (66) are used for being connected with lubricating oil outlet pipeline, be provided with vertical guide arm (112) in oil storage chamber (11), it is connected with pressure oil board (111) to slide along vertical direction on vertical guide arm (112), presses oil board (111) to separate oil storage chamber (11) into upper and lower two pump inner spaces, and one of them pump inner space is used for storing lubricating oil, oil absorption hole (621) are linked together with the pump inner space of storing lubricating oil, a limiting piece (8) which is abutted to limit the sliding stroke of the oil pressing plate (111) is arranged in the pump inner space, so that a certain lubricating oil allowance is formed in the pump inner space.

2. A lubrication pump as claimed in claim 1, wherein: locating part (8) are including spacing post (81) and fixing bolt (82), mounting hole (811) have been seted up towards the one end of pressing oil board (111) to spacing post (81), and threaded hole (812) have been seted up to the other end, and mounting hole (811) are linked together and form first step (813) that supply the head joint of fixing bolt (82) with threaded hole (812), and fixing bolt (82) threaded connection is in threaded hole (812), and fixing bolt (82) wear out spacing post (81) one end to pressing oil board (111) dorsad to threaded connection is on roof or interior diapire in the pump body (1).

3. A lubrication pump as claimed in claim 1, wherein: an oil level indicating device (7) is arranged in the pump body (1), the oil level indicating device (7) comprises a sleeve (71), an indicating rod (72), a supporting spring (73) and a sealing piece (74), the indicating rod (72) is arranged in the sleeve (71) in a sliding manner, a convex ring (723) is arranged on the indicating rod (72), a supporting spring (73) is sleeved on the indicating rod (72), one end of the supporting spring (73) is abutted against the convex ring (723), the other end of the supporting spring (73) is abutted against the sleeve (71), two ends of the indicating rod (72) are respectively an interference end (721) and an indicating end (722), the interference end (721) extends out of the sleeve (71) and is used for abutting against a pressure oil plate (111) of the lubricating pump, the indicating end (722) is positioned in the sleeve (71), and extends out of the sleeve (71) when the pressure oil plate (111) butts against the indication rod (72), the seal (74) is provided between the indicator rod (72) and the sleeve (71) to prevent leakage of the lubricating oil.

4. A lubrication pump as claimed in claim 3, wherein: the oil level indicating devices (7) are arranged in two and are mutually inverted, the two oil level indicating devices (7) are respectively arranged on the bottom wall and the top wall of the pump body (1), the interference ends (721) of the oil level indicating devices (7) are located in the pump body (1), and the indicating ends (722) extend out of the pump body (1) in the direction far away from the oil pressing plate (111).

5. A lubrication pump as claimed in claim 3, wherein: the inner wall of the sleeve (71) is provided with a supporting ring (711), and the supporting spring (73) is abutted to the supporting ring (711) so as to be abutted to the sleeve (71).

6. The lubrication pump of claim 5, wherein: the indicating rod (72) is in threaded connection with a threaded plug (724), and the threaded plug (724) is located on one side, back to the abutting end (721), of the supporting ring (711).

7. A lubrication pump as claimed in claim 3, wherein: the outer wall of the sleeve (71) is provided with an installation part (712), and the outer wall of the installation part (712) is provided with an installation screw (7121) and a nut part (7122) which is convenient for screwing the installation part (712).

8. A lubrication pump as claimed in claim 3, wherein: one end of the sleeve (71) is provided with a limiting cylinder (713), the limiting cylinder (713) is sleeved outside the indicating end (722), the outer side wall of the limiting cylinder (713) is provided with an observation groove (7131) penetrating through the side wall of the limiting cylinder (713), and the end part, far away from the contact end (721), of the limiting cylinder (713) is provided with a limiting cover (7132).

9. The lubrication pump of claim 8, wherein: one end of the limiting cylinder (713) is provided with a mounting stud (714), and the limiting cylinder is connected into the sleeve (71) through the mounting stud (714) in a threaded mode.

10. The lubrication pump of claim 9, wherein: the seal (74) includes a sealing washer located on a side of the mounting stud (714) facing the abutment end (721).

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