CN219024668U

CN219024668U - PTFE oil seal assembly lip greasing device behind engine crankshaft

Info

Publication number: CN219024668U
Application number: CN202320012908.9U
Authority: CN
Inventors: 秦峰; 乔峰; 黄先泽
Original assignee: Xiangyang Huisenrun Electromechanical Co ltd
Current assignee: Xiangyang Huisenrun Electromechanical Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-05-16
Anticipated expiration: 2033-01-04

Abstract

The utility model relates to the technical field of sealing production equipment, and discloses a lip greasing device of a PTFE oil seal assembly behind an engine crankshaft, which comprises a greasing gun body, wherein the left side of the greasing gun body is in a ladder shape, a tubular grease through pipe is fixedly arranged in the greasing gun body, a first grease spraying pipe group and a second grease spraying pipe group which extend to the outer side of the left end of the greasing gun body are communicated with the outer side of the left end of the greasing gun body, the first grease spraying pipe group and the second grease spraying pipe group are distributed on the outer side of the left end of the grease through pipe in a staggered manner, the other end of the first grease spraying pipe group extends to the left side of the greasing gun body, the second grease spraying pipe group extends to the outer side of the greasing gun body and is positioned on the left side of the first grease spraying pipe group, and a movable groove which is in a dry shape and extends to the right side of the greasing gun body is formed in the greasing gun body. The lip greasing device for the PTFE oil seal assembly behind the engine crankshaft has the advantages that the sections or the inner sides of the oil seals of different types can be greased, and the practicability of the greasing device is improved.

Description

PTFE oil seal assembly lip greasing device behind engine crankshaft

Technical Field

The utility model relates to the technical field of seal production equipment, in particular to a lip greasing device for a PTFE oil seal assembly behind an engine crankshaft.

Background

PTFE oil seals, also known as polytetrafluoroethylene oil seals, are currently commercially available and are made of stainless steel shells and PTFE sheets, or are made of rubber frameworks formed by compression molding and PTFE in a bonding mode, or are made of pure PTFE. The conventional PTFE oil seal takes PTFE as a main sealing lip, and a rubber body formed by compression molding of an internal framework is taken as an auxiliary lip. Before the PTFE oil seal is put into use after an engine crankshaft, the PTFE oil seal lip needs to be coated with grease for prolonging the service life and improving the sealing performance.

The conventional lip greasing device is usually used for spraying grease on an oil seal by adopting a greasing gun, but the conventional greasing gun can only be used for greasing a single type of oil seal, so that the greasing faces of the oil seals with different types are different, some oil seals are used for greasing on the end faces, some oil seals are used for greasing on the inner sides, the conventional greasing gun cannot meet the requirements of the oil seals with different types for greasing, and the defects exist, so that the PTFE oil seal assembly lip greasing device after an engine crankshaft is provided for solving the problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a lip greasing device of a PTFE oil seal assembly behind an engine crankshaft, which has the advantages of being capable of greasing the sections or the inner sides of oil seals of different types, improving the practicability of the greasing device and the like, and solves the problems that a traditional greasing gun can only grease a single type of oil seal, the greased surfaces are different for the oil seals of different types, some oil seals are greased on the end surfaces, some oil seals are greased on the inner sides, and the traditional greasing gun cannot meet the requirements of greasing of the oil seals of different types.

(II) technical scheme

The technical scheme for solving the technical problems is as follows: the utility model provides a PTFE oil blanket assembly lip fat liquoring device behind engine crankshaft, includes the fat liquoring rifle body, the left side of fat liquoring rifle body is the echelonment, the inside fixed mounting of fat liquoring rifle body has the logical fat pipe that is tubular, the left end outside intercommunication of logical fat pipe has first grease spraying pipe group and second grease spraying pipe group that extends to fat liquoring rifle body left end outside, first grease spraying pipe group is the staggered distribution in the left end outside of logical fat pipe with the second grease spraying pipe group, the other end of first grease spraying pipe group extends to the left side of fat liquoring rifle body, the second grease spraying pipe group extends to the outside of fat liquoring rifle body and is located the left side of first grease spraying pipe group, the inside of fat liquoring rifle body is seted up and is being the movable groove that is the font and extend to its right side, the movable groove is located logical fat pipe inboard, the inboard rotation of movable groove is installed and is extended to first grease spraying pipe group and second grease spraying pipe group inside first rolling disc and second rolling disc respectively, second rolling disc and second rolling disc are located the first rolling disc and first connecting rod and the inside of first rolling disc and the fixed mounting of connecting rod and the right side of connecting rod, the fixed mounting of first rolling disc and the bottom of connecting rod and the right connecting rod are extended to the inside of fat liquoring rifle body.

The beneficial effects of the utility model are as follows:

this PTFE oil blanket assembly lip fat liquoring device behind engine crankshaft through being provided with the first fat liquoring nest of tubes and the second fat liquoring nest of tubes of different directions in the left end of the fat liquoring rifle body, has possessed the section or the inboard that can carry out the fat liquoring to the oil blanket of different models, improves the advantage of the practicality of fat liquoring device.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the number of the grease spraying pipes of the first grease spraying pipe group and the second grease spraying pipe group is a plurality of grease spraying pipes, and the plurality of grease spraying pipes are distributed at the left end of the grease coating gun body in an annular equidistant mode.

The beneficial effect of adopting above-mentioned further scheme is, through setting up a plurality of annular equidistance and distributing spouting the fat pipe, can make the fat coating more even under the effect of first spouting fat pipe group and second spouting fat pipe group.

Further, the number and the positions of the grease passing holes in the first rotating disc and the second rotating disc are respectively in one-to-one correspondence with the first grease spraying pipe group and the second grease spraying pipe group, and the size of the first rotating disc is smaller than that of the second rotating disc.

The adoption of the further scheme has the beneficial effects that when the first rotating disc and the second rotating disc rotate, the grease spraying pipes of the first grease spraying pipe group and the second grease spraying pipe group can be simultaneously opened and closed.

Further, the outer sides of the first rotating disc and the second rotating disc are provided with limiting protrusions, and limiting grooves corresponding to limiting blocks on the outer sides of the first rotating disc and the second rotating disc are respectively formed in the inner sides of the movable grooves.

The beneficial effect of adopting above-mentioned further scheme is, carries out spacingly to first rolling disc and second rolling disc rotation scope for the fat hole on first rolling disc and the second rolling disc is better carries out normal running fit with first spouting fat nest and second spouting fat nest, thereby realizes opening and closing of first spouting fat nest and second spouting fat nest.

Further, the one ends that first connecting rod and second connecting rod are located the fat liquoring rifle body right side all fixedly connected with knob, just the knob size on first connecting rod right side is greater than the knob size on second connecting rod right side.

The beneficial effect of adopting above-mentioned further scheme is, the knob is convenient for the better rotation of head rod and second connecting rod.

Further, the inner side of the left end of the grease coating gun body of the first grease spraying pipe group is provided with a nozzle assembly, the single nozzle assembly comprises a shrinkage groove, a nozzle and a spring, the shrinkage groove is formed in the inner side of the grease spraying pipe of the first grease spraying pipe group, the nozzle is movably mounted in the inner side of the shrinkage groove, and the spring is fixedly mounted between the right side of the nozzle and the right wall of the inner side of the shrinkage groove.

Adopt the beneficial effect of above-mentioned further scheme for through the collapsible nozzle in the nozzle assembly for when the fat liquoring is carried out the oil blanket section, the nozzle of being convenient for is better contact with the oil blanket gap, and when the inboard fat liquoring to the oil blanket, the nozzle can shrink to the shrink inslot, thereby can not influence the inboard fat liquoring of oil blanket.

Furthermore, the nozzle is located at one end of the left side of the greasing gun body and is in a round table shape, and the size of the right end of the nozzle is matched with the size of the inner side of the shrinkage groove.

The oil seal has the beneficial effects that the round table-shaped nozzle enables oil spraying to be more concentrated, and the nozzle is convenient to insert into a gap of the oil seal.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A;

FIG. 3 is a left side view of the structure of the present utility model;

fig. 4 is a right side cross-sectional view of the first rotor in the construction of the present utility model.

In the figure: 1. a greasing gun body; 2. a grease tube; 3. a first grease-spraying pipe group; 4. a second grease-spraying pipe group; 5. a movable groove; 6. a first rotating disc; 7. a second rotating disc; 8. a grease hole; 9. a first connecting rod; 10. a second connecting rod; 11. a handle; 12. a grease delivery pipe; 13. a knob; 14. a nozzle assembly; 141. a shrink tank; 142. a nozzle; 143. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the embodiment, as shown in figures 1-4, the lip greasing device of the PTFE oil seal assembly behind the engine crankshaft comprises a greasing gun body 1, wherein the left side of the greasing gun body 1 is in a ladder shape, a tubular grease passing pipe 2 is fixedly arranged in the greasing gun body 1, a first grease spraying pipe group 3 and a second grease spraying pipe group 4 which extend to the outer side of the left end of the greasing gun body 1 are communicated with the outer side of the left end of the greasing gun body 2, the first grease spraying pipe group 3 and the second grease spraying pipe group 4 are distributed on the outer side of the left end of the grease passing pipe 2 in an alternating manner, the other end of the first grease spraying pipe group 3 extends to the left side of the greasing gun body 1, the second grease spraying pipe group 4 extends to the outer side of the greasing gun body 1 and is positioned on the left side of the first grease spraying pipe group 3, a movable groove 5 which is in a dry shape and extends to the right side of the greasing gun body 1 is formed in the greasing gun body 1, the movable groove 5 is positioned at the inner side of the grease-filling pipe 2, a first rotating disc 6 and a second rotating disc 7 which respectively extend to the inner parts of the first grease-filling pipe group 3 and the second grease-filling pipe group 4 are rotatably arranged at the inner side of the movable groove 5, the second rotating disc 7 is positioned at the left side of the first rotating disc 6, grease-filling holes 8 corresponding to the first grease-filling pipe group 3 and the second grease-filling pipe group 4 are respectively formed in the inner parts of the first rotating disc 6 and the second rotating disc 7, a first connecting rod 9 which extends to the right side of the grease-filling gun body 1 is fixedly arranged at the right side of the first rotating disc 6, a second connecting rod 10 which is fixedly arranged at the right side of the second rotating disc 7 is rotatably arranged at the inner side of the first connecting rod 9, a handle 11 is fixedly arranged at the bottom of the grease-filling gun body 1, and a grease conveying pipe 12 which extends to the bottom of the right end of the grease-filling pipe 2 and is communicated with the bottom of the handle 11 is fixedly arranged at the bottom of the handle 11.

The number of the grease spraying pipes of the first grease spraying pipe group 3 and the second grease spraying pipe group 4 is a plurality of grease spraying pipes, and the plurality of grease spraying pipes are distributed at the left end of the grease coating gun body 1 in an annular equidistant manner.

By arranging a plurality of annular grease spraying pipes which are distributed at equal intervals, grease coating can be more uniform under the action of the first grease spraying pipe group 3 and the second grease spraying pipe group 4.

Wherein, the number and the position of the grease passing holes 8 in the first rotating disk 6 and the second rotating disk 7 are respectively corresponding to the first grease spraying pipe group 3 and the second grease spraying pipe group 4 one by one, and the size of the first rotating disk 6 is smaller than that of the second rotating disk 7.

So that the first rotating disc 6 and the second rotating disc 7 can simultaneously open and close the grease spraying pipes of the first grease spraying pipe group 3 and the second grease spraying pipe group 4 when rotating.

Wherein, the outside of first rolling disc 6 and second rolling disc 7 is provided with spacing arch, and the spacing groove that corresponds with first rolling disc 6 and second rolling disc 7 outside stopper is seted up respectively to the activity inslot 5 inboard.

The rotation ranges of the first rotating disc 6 and the second rotating disc 7 are limited, so that the grease through holes 8 on the first rotating disc 6 and the second rotating disc 7 are better in running fit with the first grease spraying pipe group 3 and the second grease spraying pipe group 4, and the opening and closing of the first grease spraying pipe group 3 and the second grease spraying pipe group 4 are realized.

Wherein, the first connecting rod 9 and the second connecting rod 10 are located the one end on the right side of the grease gun body 1 and all fixedly connected with knob 13, and the knob 13 size on the right side of the first connecting rod 9 is greater than the knob 13 size on the right side of the second connecting rod 10.

The knob 13 facilitates a better rotation of the first connecting rod 9 and the second connecting rod 10.

The inner sides of the left ends of the first grease spraying tube group 3 and the grease coating gun body 1 are respectively provided with a nozzle assembly 14, each nozzle assembly 14 comprises a shrinkage groove 141, a nozzle 142 and a spring 143, the shrinkage grooves 141 are formed in the inner sides of the grease spraying tubes of the first grease spraying tube group 3, the nozzles 142 are movably mounted in the inner sides of the shrinkage grooves 141, and the springs 143 are fixedly mounted between the right sides of the nozzles 142 and the right walls of the inner sides of the shrinkage grooves 141.

By the retractable nozzle 142 in the nozzle assembly 14, the nozzle 142 is convenient to be in better contact with the gap of the oil seal when the section of the oil seal is greased, and the nozzle 142 can be retracted into the retraction groove 141 when the inner side of the oil seal is greased, so that the inner side of the oil seal is not affected.

The left end of the nozzle 142 is in a truncated cone shape, and the right end of the nozzle 142 is adapted to the inner side of the shrinkage groove 141.

The truncated cone-shaped nozzle 142 makes the grease spraying more concentrated, and facilitates the insertion of the nozzle 142 into the gap of the oil seal.

Working principle:

first,: the left end of the greasing gun body 1 is inserted into the inner side of an oil seal needing greasing, pressurized grease is conveyed through a grease conveying pipe 12 to supply grease in a grease passing pipe 2, the grease in the grease passing pipe 2 is sprayed out through a first grease spraying pipe group 3 and a second grease spraying pipe group 4 under pressure, and the oil seal at the left end of the greasing gun body 1 is greased;

secondly: when the grease coating surfaces of the oil seals to be coated are different, when the grease coating surfaces of the oil seals are end surfaces, the second connecting rod 10 is rotated, so that the second connecting rod 10 drives the second rotating disc 7 to rotate, the second rotating disc 7 drives the grease through holes 8 in the second rotating disc to be staggered with the grease spraying pipes of the second grease spraying pipe group 4, the second rotating disc 7 stops and closes the second grease spraying pipe group 4, grease is prevented from being sprayed out of the second grease spraying pipe group 4, only the first grease spraying pipe group 3 is conducted at the moment, the grease in the grease through pipe 2 is sprayed out through the first grease spraying pipe group 3, and the end surfaces of the oil seals are coated with grease;

finally: similarly, when the grease coating surface of the oil seal is the inner side, the first grease spraying pipe group 3 is closed, the second grease spraying pipe group 4 is conducted under the action of the first rotating disc 6 and the grease through hole 8 by rotating the first connecting rod 9, so that grease is sprayed out through the second grease spraying pipe group 4, and the inner side of the oil seal is coated with grease.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PTFE oil blanket assembly lip fat liquoring device behind engine crankshaft, includes fat liquoring rifle body (1), its characterized in that: the left side of the fat liquoring rifle body (1) is the echelonment, the inside fixed mounting of fat liquoring rifle body (1) has a logical fat pipe (2) that is tubular, the left end outside intercommunication of leading to fat liquoring rifle body (2) has first fat liquoring nest of tubes (3) and second fat liquoring nest of tubes (4) that extend to fat liquoring rifle body (1) left end outside, first fat liquoring nest of tubes (3) and second fat liquoring nest of tubes (4) are the staggered distribution in the left end outside of leading to fat liquoring rifle body (2), the other end of first fat liquoring nest of tubes (3) extends to the left side of fat liquoring rifle body (1), second fat liquoring nest of tubes (4) extend to the outside of fat liquoring rifle body (1) and are located the left side of first fat liquoring nest of tubes (3), the inside of fat liquoring rifle body (1) has been seted up and is the dry font and extends to first fat liquoring nest of tubes (5) on its right side, movable groove (5) are located logical fat liquoring nest of tubes (2) inboard, inboard movable groove (5) rotates to install first fat liquoring nest of tubes (3) and second fat liquoring nest of tubes (4) and first rotating coil (7) and second rotating coil (6) rotating respectively and first rotating (7) and second rotating coil (6), the grease coating gun comprises a grease coating gun body (1), and is characterized in that a first connecting rod (9) extending to the right side of the grease coating gun body (1) is fixedly arranged on the right side of the first rotating disc (6), a second connecting rod (10) fixedly arranged on the right side of the second rotating disc (7) is rotatably arranged on the inner side of the first connecting rod (9), a handle (11) is fixedly arranged at the bottom of the grease coating gun body (1), and a grease conveying pipe (12) extending to the bottom of the right end of the grease passing pipe (2) and communicated with the bottom of the right end of the grease passing pipe is fixedly arranged at the bottom of the handle (11).

2. The engine crankshaft rear PTFE oil seal assembly lip greasing device of claim 1, wherein: the number of the grease spraying pipes of the first grease spraying pipe group (3) and the second grease spraying pipe group (4) is a plurality of grease spraying pipes, and the plurality of grease spraying pipes are distributed at the left end of the grease coating gun body (1) in an annular equidistant manner.

3. The engine crankshaft rear PTFE oil seal assembly lip greasing device of claim 1, wherein: the number and the positions of the grease through holes (8) in the first rotating disc (6) and the second rotating disc (7) are respectively in one-to-one correspondence with the first grease spraying pipe group (3) and the second grease spraying pipe group (4), and the size of the first rotating disc (6) is smaller than that of the second rotating disc (7).

4. The engine crankshaft rear PTFE oil seal assembly lip greasing device of claim 1, wherein: the outer sides of the first rotating disc (6) and the second rotating disc (7) are provided with limiting protrusions, and limiting grooves corresponding to limiting blocks on the outer sides of the first rotating disc (6) and the second rotating disc (7) are respectively formed in the inner sides of the movable grooves (5).

5. The engine crankshaft rear PTFE oil seal assembly lip greasing device of claim 1, wherein: the one ends of the first connecting rod (9) and the second connecting rod (10) which are positioned on the right side of the greasing gun body (1) are fixedly connected with knobs (13), and the sizes of the knobs (13) on the right side of the first connecting rod (9) are larger than those of the knobs (13) on the right side of the second connecting rod (10).

6. The engine crankshaft rear PTFE oil seal assembly lip greasing device of claim 2, wherein: the grease spraying gun is characterized in that the inner side of one end of the left side of the grease spraying gun body (1) of the first grease spraying pipe group (3) is provided with a nozzle assembly (14), the single nozzle assembly (14) comprises a shrinkage groove (141), a nozzle (142) and a spring (143), the shrinkage groove (141) is formed in the inner side of the grease spraying pipe of the first grease spraying pipe group (3), the nozzle (142) is movably mounted in the inner side of the shrinkage groove (141), and the spring (143) is fixedly mounted between the right side of the nozzle (142) and the right wall of the inner side of the shrinkage groove (141).

7. The engine crankshaft rear PTFE oil seal assembly lip greasing device of claim 6, wherein: the nozzle (142) is located at one end of the left side of the greasing gun body (1) and is in a round table shape, and the size of the right end of the nozzle (142) is matched with the size of the inner side of the shrinkage groove (141).