CN214186953U

CN214186953U - Oil leakage prevention device of electroplax

Info

Publication number: CN214186953U
Application number: CN202120091814.6U
Authority: CN
Inventors: 刘秋华; 丁峰
Original assignee: Nantong Dongke Tools Co ltd
Current assignee: Nantong Dongke Tools Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-09-14
Anticipated expiration: 2031-01-14

Abstract

The utility model provides an oil leakage preventing device of electroplax, including the end cover, whole ring gear, the rotor shaft, a bearing, the butadiene-acrylonitrile rubber strip, fastening screw, the fluororubber oil blanket, axle is with sealing ring and the sealed lid of stainless steel, the bearing has been clamped to rotor shaft annular side, the inside intermediate position of whole ring gear is provided with the fluororubber oil blanket, the sealed lid of stainless steel is installed to whole ring gear right-hand member face intermediate position, the sealed inslot annular side cover of stainless steel is equipped with axle is with sealing ring, the inside upper and lower bilateral symmetry meshing of end cover has fastening screw, the end cover left end face clamps the butadiene-acrylonitrile rubber strip, this design has solved the problem that original electric spanner in the rotor shaft does not have corresponding seal structure, the easy problem that spills over of lubricating oil, the utility model discloses rational in infrastructure, it is sealed effectual, avoid lubricating oil to spill over from the rotor shaft gap, simple structure, the practicality is strong.

Description

Oil leakage prevention device of electroplax

Technical Field

The utility model relates to an oil leakage prevention device of electroplax belongs to electric spanner technical field.

Background

The electric wrench is an electric tool for screwing and unscrewing the bolt and the nut, and is a tool for screwing the high-strength bolt. The high-strength bolt screwing device is used for initial screwing, final screwing and initial screwing of a torsional shear type high-strength bolt in the construction of mounting a large hexagon head high-strength bolt on a steel structure bridge, a factory building, a chemical industry and power generation equipment, and has strict requirements on the torque or the axial force of a bolt fastener. However, the existing electric wrench has no corresponding sealing structure in the rotor shaft, so that in the using process, motor lubricating oil overflows through a gap of the rotor shaft, once the lubricating oil flows into a circuit board or an electronic component, the lubricating oil is burnt out, and unnecessary loss is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing an anticreep oil device of electroplax to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, sealed effectual avoids lubricating oil to spill over from the rotor shaft gap, and the structure letter is answered, and the practicality is strong.

In order to achieve the above purpose, the present invention is realized by the following technical solution: an oil leakage prevention device of a electroplate comprises a drill bit, an end cover, an electric wrench main body, an integral gear ring, a rotor shaft, a bearing, a nitrile rubber strip, a fastening screw, a fluororubber oil seal, a shaft sealing retainer ring and a stainless steel sealing cover, an end cover is arranged on the upper side of the right end face of the electric wrench main body, a drill bit is arranged on the right side of the end cover, the right side in the electric wrench main body is provided with an integral gear ring, the middle position in the electric wrench main body is provided with a rotor shaft, the annular side surface of the rotor shaft is clamped with a bearing, the middle position in the integral gear ring is provided with a fluororubber oil seal, a stainless steel sealing cover is arranged in the middle of the right end face of the integral gear ring, a shaft sealing retainer ring is sleeved on the inner annular side face of the stainless steel sealing cover, and the upper side and the lower side in the end cover are symmetrically meshed with fastening screws, and a nitrile rubber strip is clamped on the left end face of the end cover.

Furthermore, stainless steel bolts are symmetrically meshed on the upper side and the lower side inside the stainless steel sealing cover, four groups of stainless steel bolts are meshed in an isometric mode, a through hole is formed in the middle of the inside of the stainless steel sealing cover, and the through hole is matched with a shaft sealing retainer ring.

Further, an embedded groove is formed in the middle of the left end face of the integral gear ring and is matched with the bearing, and a clamping groove is formed in the right side of the inside of the integral gear ring and is matched with the fluororubber oil seal.

Further, the inner annular side face of the fluororubber oil seal and the inner annular side face of the shaft seal retainer ring are matched with the annular side face of the rotor shaft.

Furthermore, four groups of tightening screws are meshed in an equal-specification mode, and the nitrile rubber strips are of a circular structure.

The utility model has the advantages that: the utility model discloses an oil leakage prevention device of electroplax, because of the utility model discloses having added whole ring gear, rotor shaft, bearing, nitrile rubber strip, fastening screw, fluororubber oil blanket, axle and having sealed lid with sealing ring and stainless steel, this design makes rotor shaft leakproofness better, has solved original electric spanner in the rotor shaft do not have corresponding seal structure, the problem that lubricating oil spills over easily has improved the utility model discloses a sealed effect.

Because the upper side and the lower side inside the stainless steel sealing cover are symmetrically engaged with the stainless steel bolts, four groups of stainless steel bolts are engaged with each other in an equal-specification way, the middle position inside the stainless steel sealing cover is provided with a through hole, the through holes are matched with the shaft sealing retainer ring, four groups of stainless steel bolts are convenient for effectively fixing the stainless steel sealing cover, the through hole facilitates the shaft to be embedded in the stainless steel sealing cover by the sealing retainer ring, and as the middle position of the left end surface of the integral gear ring is provided with the embedded groove, the embedded groove is matched with the bearing, the right side in the integral gear ring is provided with a clamping groove which is matched with the fluororubber oil seal, the embedded groove is convenient for clamping and fixing the bearing in the integral gear ring, and clamp the groove and make things convenient for the fluororubber oil blanket to fix inside whole ring gear, the utility model discloses rational in infrastructure, sealed effectual avoids lubricating oil to spill over from the rotor shaft gap, and the structure letter is answered, and the practicality is strong.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of an oil leakage preventing device of an electric plate according to the present invention;

fig. 2 is a top sectional view of an oil leakage preventing device of an electric plate according to the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

in the figure: the drilling tool comprises a drill bit 1, an end cover 2, an electric wrench 3, an integral gear ring 4, a rotor shaft 5, a bearing 6, a nitrile rubber strip 7, a fastening screw 8, a fluororubber oil seal 9, a shaft sealing retainer ring 10, a stainless steel sealing cover 11 and a stainless steel bolt 111.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: an oil leakage prevention device of an electric plate comprises a drill bit 1, an end cover 2, an electric wrench main body 3, an integral gear ring 4, a rotor shaft 5, a bearing 6, a nitrile rubber strip 7, a fastening screw 8, a fluororubber oil seal 9, a shaft seal retainer ring 10 and a stainless steel seal cover 11, wherein the end cover 2 is installed on the upper side of the right end face of the electric wrench main body 3, the drill bit 1 is installed on the right side of the end cover 2, the integral gear ring 4 is arranged on the right side inside the electric wrench main body 3, the rotor shaft 5 is arranged in the middle position inside the electric wrench main body 3, the bearing 6 is clamped on the annular side face of the rotor shaft 5, the fluororubber oil seal 9 is arranged in the middle position inside the integral gear ring 4, the stainless steel seal cover 11 is installed on the middle position of the right end face of the integral gear ring 4, the shaft seal retainer ring 10 is sleeved on the inner annular side face of the stainless steel seal cover 11, the fastening screw 8 is symmetrically meshed on the upper side and the lower side inside the end cover 2, the nitrile rubber strip 7 is clamped on the left end face of the end cover 2, this design has been solved among the original electric spanner rotor shaft and has not had corresponding seal structure, the problem that lubricating oil spills over easily.

Stainless steel bolts 111 are symmetrically meshed on the upper side and the lower side inside the stainless steel sealing cover 11, four groups of stainless steel bolts 111 are meshed in an equal-specification mode, a through hole is formed in the middle of the inside of the stainless steel sealing cover 11 and is matched with the shaft sealing retainer ring 10, the stainless steel sealing cover 11 is conveniently and effectively fixed by the four groups of stainless steel bolts 111, and the shaft sealing retainer ring 10 is conveniently embedded into the stainless steel sealing cover 11 through the through hole.

The embedded groove is formed in the middle of the left end face of the integral gear ring 4 and is matched with the bearing 6, the clamping groove is formed in the right side of the inner portion of the integral gear ring 4 and is matched with the fluororubber oil seal 9, the bearing 6 is conveniently clamped and fixed in the integral gear ring 4 through the embedded groove, and the fluororubber oil seal 9 is conveniently fixed in the integral gear ring 4 through the clamping groove.

The inner annular side face of the fluororubber oil seal 9 and the inner annular side face of the shaft sealing retainer ring 10 are matched with the annular side face of the rotor shaft 5, the design is convenient to effectively seal the annular side face of the rotor shaft 5, four groups of fastening screws 8 are meshed with each other according to the specification, the nitrile rubber strips 7 are of a circular structure, the four groups of fastening screws 8 are convenient to fix the end cover 2, and the nitrile rubber strips 7 enable the sealing performance between the end cover 2 and the electric wrench main body 3 to be better.

As an embodiment of the present invention: in the circular telegram use of electric spanner main part 3, rotor shaft 5 can incessantly rotate, and bearing 6 makes 5 rotational stability of rotor shaft better, and meanwhile, fluororubber oil blanket 9 can seal 5 annular sides of rotor shaft, and epaxial retaining ring 10 can carry out secondary seal to 5 annular sides of rotor shaft, thereby avoid lubricating oil to spill over through 5 annular sides looks right sides of rotor shaft, and stainless steel sealed lid 11 conveniently fixes a position retaining ring 10 for the countershaft, avoid the axial retaining ring 10 the displacement condition to appear in the use, and the nitrile rubber strip 7 makes the leakproofness better between end cover 2 and the electric spanner main part 3, avoid external water stain or dust to pass through inside the gap entering between end cover 2 and the electric spanner main part 3.

When needs countershaft sealing washer 10 or fluororubber oil blanket 9 are changed, the user only needs to unscrew four sets of fastening screw 8 respectively earlier with the help of external spanner, alright dismantle with end cover 2 this moment, then alright dismantle whole ring gear 4, alright take out fluororubber oil blanket 9 this moment and change, and loosen four sets of stainless steel bolt 111 respectively with the help of external spanner, alright dismantle stainless steel seal lid 11, then can dismantle the change with sealing washer 10 to the countershaft.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an oil leakage prevention device of electroplax, includes drill bit, end cover, electric wrench body, whole ring gear, rotor shaft, bearing, nitrile rubber strip, fastening screw, fluororubber oil blanket, epaxial sealing washer and the sealed lid of stainless steel, its characterized in that: the end cover is installed to electric spanner main part right-hand member face upside, the drill bit is installed on the end cover right side, the inside right side of electric spanner main part is provided with whole ring gear, the inside intermediate position of electric spanner main part is provided with the rotor shaft, rotor shaft annular side clamps the bearing, the inside intermediate position of whole ring gear is provided with the fluororubber oil blanket, the sealed lid of stainless steel is installed to whole ring gear right-hand member face intermediate position, the sealed inboard cover of annular side of sealed lid of stainless steel is equipped with epaxial sealing ring, the inside upper and lower bilateral symmetry meshing of end cover has fastening screw, the end cover left end face clamps the nitrile rubber strip.

2. An oil leakage preventing device of a shoe as claimed in claim 1, wherein: stainless steel bolts are symmetrically meshed with the upper side and the lower side inside the stainless steel sealing cover, four groups of stainless steel bolts are meshed with each other according to an equal specification, a through hole is formed in the middle of the inside of the stainless steel sealing cover, and the through hole is matched with a shaft sealing retainer ring.

3. An oil leakage preventing device of a shoe as claimed in claim 1, wherein: the integral gear ring is characterized in that an embedded groove is formed in the middle of the left end face of the integral gear ring and is matched with the bearing, and a clamping groove is formed in the right side of the inside of the integral gear ring and is matched with the fluororubber oil seal.

4. An oil leakage preventing device of a shoe as claimed in claim 1, wherein: and the inner annular side surface of the fluororubber oil seal and the inner annular side surface of the shaft sealing retainer ring are matched with the annular side surface of the rotor shaft.

5. An oil leakage preventing device of a shoe as claimed in claim 1, wherein: four groups of fastening screws are meshed in an equal-specification mode, and the nitrile rubber strips are of a circular structure.