CN218326126U - Oil seal protection device - Google Patents
Oil seal protection device Download PDFInfo
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- CN218326126U CN218326126U CN202220739182.4U CN202220739182U CN218326126U CN 218326126 U CN218326126 U CN 218326126U CN 202220739182 U CN202220739182 U CN 202220739182U CN 218326126 U CN218326126 U CN 218326126U
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- oil seal
- annular baffle
- handle
- seal protection
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Abstract
The utility model belongs to the technical field of transmission sealing, in particular to an oil seal protection device; the first annular baffle is fixed below the front end of the handle, and the first annular cylinder is fixed at the bottom of the first annular baffle; the front end of the first annular cylinder is provided with a first opening, and the front end of the first annular baffle is provided with a second opening; a second annular cylinder is fixed at the bottom of the second annular baffle and is connected in the first annular cylinder in an interference fit manner; impurities such as dust and the like can be prevented from entering the transmission in the transmission transportation process, so that the transmission is prevented from being polluted; avoid at the installation drive shaft in-process, the derailleur oil blanket is by the spline fish tail of drive shaft universal joint stalk portion, and produces the oil leak problem, thoroughly avoids the derailleur oil leak problem that leads to because the assembling process, reduces whole car fault rate, promotes whole car quality.
Description
Technical Field
The utility model belongs to the technical field of the derailleur is sealed, concretely relates to oil blanket protection device.
Background
The oil seal protection tool in the prior art comprises an elastic opening ring plate, an opening shaft sleeve and a handle; two sides of the opening ring plate are provided with symmetrical V-shaped notches, the edge of the excircle is provided with a shoulder, and the outer edge of the lower end opening part of the opening shaft sleeve is provided with a flange. The length of the handle is 1.5 to 2 times of the outer diameter of the opening ring plate. The disadvantages are that: the shoulder direction of the opening ring plate faces the shaft sleeve, so that the opening ring plate is easily interfered with the end face of an oil seal or a transmission shell; the outer edge of the lower port part of the shaft sleeve is provided with a flange which is not beneficial to the installation of an oil seal protection tool; the handle and the ring plate are on the same plane, when an operator installs the oil seal protection tool, the hand is easy to contact with the transmission shell, the operation space is insufficient, and the hand is easy to collide and further injured; the critical dimension of the sleeve width is not described.
Transmission differential's oil blanket assembly protection frock among the prior art includes: a handle and a protective sleeve. The sleeve edge is provided with a V-shaped opening. The disadvantages are that: the sleeve edge is not provided with a shoulder, so that the sleeve is easy to deform; the sleeve edge is not provided with a chamfer angle, so that the installation of a driving shaft is not facilitated; the handle and the sleeve edge are on the same plane, when an operator installs the oil seal protection tool, the hand is easy to contact with the transmission shell, the operation space is insufficient, and the hand is easy to collide and further injured; the non-fit relationship (interference or clearance and the like) between the outer surface of the cylinder wall and the differential oil seal is not described, the depth design of the cylinder wall is unreasonable and is slightly longer (3-5 mm) than the depth of the differential oil seal, and the anti-falling property is seriously influenced by the fit relationship between the outer surface of the cylinder wall and the differential oil seal and the depth of the cylinder wall.
Transmission shaft assembly fixture among the prior art includes: handle, barrel pipe and pipe are followed. The barrel pipe and the barrel edge are provided with gaps. The disadvantages are that: the pipe edge is not provided with a shoulder, so that the pipe is easy to deform; the edges of the pipes are not provided with chamfers, so that the driving shaft is not convenient to mount; the handle and the pipe edge are on the same plane, when an operator installs the oil seal protection tool, the hand is easy to contact with the transmission shell, the operation space is insufficient, and the hand is easy to collide and hurt; the non-fit relation between the barrel pipe and the differential oil seal and the depth of the barrel pipe are not described, and the anti-falling performance is seriously influenced by the fit relation and the depth of the barrel pipe.
Oil blanket protection device among the prior art includes: annular shielding plate and annular sleeve, annular shielding plate and annular sleeve are equipped with breach and mounting groove and screens groove that link up. The disadvantages are that: the annular sleeve is not provided with a chamfer, so that the installation of the driving shaft is not facilitated; the non-matching relation between the annular sleeve and the differential oil seal and the depth of the annular sleeve are not described, and the matching relation and the depth of the annular sleeve seriously influence the anti-falling performance; the annular baffle plate has no V-shaped structure, so that deformation is not facilitated when the oil seal protection tool is disassembled; no handle, inconvenient installation and disassembly.
Disclosure of Invention
In order to overcome the problems, the utility model provides an oil seal protection device, which can prevent impurities such as dust and the like from entering the transmission during the transmission transportation process, and avoid the transmission pollution; avoid at the installation drive shaft in-process, the derailleur oil blanket is by the spline fish tail of drive shaft universal joint stalk portion, and produces the oil leak problem, thoroughly avoids the derailleur oil leak problem that leads to because the assembling process, reduces whole car fault rate, promotes whole car quality.
An oil seal protection device comprises an oil seal protection tool 1 and a blocking cover 2, wherein the oil seal protection tool 1 comprises a first annular cylinder 11, a first annular baffle 12 and a handle 13, the first annular baffle 12 is fixed below the front end of the handle 13, and the first annular cylinder 11 is fixed at the bottom of the first annular baffle 12; the front end of the first annular cylinder 11 is provided with a first opening 114, the front end of the first annular baffle 12 is provided with a second opening 121, and the first opening 114 is communicated with the second opening 121; the plug cover 2 comprises a second annular baffle plate 21 and a second annular cylinder 22, wherein the second annular cylinder 22 is fixed at the bottom of the second annular baffle plate 21, the second annular cylinder 22 passes through the first annular baffle plate 12 and then is connected in the first annular cylinder 11 in an interference fit manner, and the second annular baffle plate 21 is matched on the first annular baffle plate 12; and semicircular notches 124 which are symmetrically arranged left and right are arranged on the first annular baffle plate 12.
The bottom of the first annular cylinder 11 is provided with a first chamfer 111.
The inner wall of the first annular cylinder 11 is provided with a plurality of rings 112 for being connected with the second annular cylinder 22 of the plug 2 in an interference fit manner.
A second chamfer 122 is arranged above the inner ring of the first annular baffle 12, and shoulders 123 which are uniformly arranged are arranged above the outer ring.
The number of the shoulders 123 is four, the shoulders 123 are respectively arranged at the upper end and the lower end of the first annular baffle 12 at the left side of the second opening 121, and the shoulders 123 are respectively arranged at the upper end and the lower end of the first annular baffle 12 at the right side of the second opening 121.
A semicircular notch 124 is formed in the first annular baffle 12 between the upper shoulder 123 and the lower shoulder 123 at the left end of the second opening 121, and another semicircular notch 124 is formed in the first annular baffle 12 between the upper shoulder 123 and the lower shoulder 123 at the right end of the second opening 121.
The upward extension line of the central axis of the handle 13 can pass through the center point of the first annular cylinder 11, and the two semicircular notches 124 are symmetrically arranged relative to the upward extension line of the central axis of the handle 13.
The rear end of the handle 13 is provided with a non-slip strip 132, and the handle 13 at the rear end of the non-slip strip 132 is provided with a round hole 131.
The handle 13 is fixed at the rear end of the first annular baffle 12 through an L-shaped plate 115, wherein the L-shaped plate comprises a first connecting plate 1151 and a second connecting plate 1152 which are fixed together, one end of the second connecting plate 1152 is fixed on the first annular baffle 12, the other end is fixed at one end of the first connecting plate 1151, and the other end of the first connecting plate 1151 is fixed at the front end of the handle 13;
the second connection plate 1152 is disposed parallel to the handle 13, the first connection plate 1151 is perpendicular to the second connection plate 1152, and the length of the first connection plate 1151 is 10-30mm.
A reinforcing rib 113 is arranged at the joint of the first annular cylinder 11 and the first annular baffle 12.
The utility model has the advantages that:
(1) Oil blanket protection frock 1 both can with 2 supporting uses of blanking cover, also can the exclusive use:
when the transmission supplies materials, an oil seal protection tool 1 and a plug cover 2 can be pre-installed, and the plug cover 2 can be taken down before a driving shaft is installed; or only have blanking cap 2 when the derailleur supplies material, provide repeatedly usable's oil blanket protection frock 1 on the production line, take off blanking cap 2 before the installation drive shaft, install oil blanket protection frock 1 and can install the drive shaft.
(2) The installation is convenient:
a first chamfer 111 is arranged on one side of the first annular cylinder 11, which is far away from the first annular baffle 12, and the initial section of the first chamfer 111 is in clearance fit with an oil seal, so that the first annular cylinder 11 can be ensured to conveniently enter the oil seal of the transmission; meanwhile, the second chamfer 122 is arranged on one side of the first annular baffle 12 close to the handle 13, so that the driving shaft 3 can be ensured to conveniently enter the first annular cylinder 11.
(3) Firm self-holding and less deformation
The driving shaft installation station sets up 1 operator, if the oil blanket protection frock 1 is installed on the derailleur oil blanket after not firm by oneself, then need increase 1 operator, one of them operator is holding up oil blanket protection frock 1, and the drive shaft is installed to another operator both hands, therefore oil blanket protection frock 1 is firm very important by oneself. The utility model discloses a following several measures guarantee: (i) The first annular cylinder 11 is in small interference fit with a main lip and a dustproof lip of a transmission oil seal; (ii) A reinforcing rib 113 is arranged at the joint of the first annular cylinder 11 and the first annular baffle 12; (iii) A shoulder 123 is arranged on the outer edge of one side of the first annular baffle 12 close to the handle 13; the reinforcing rib 113 and the circular bead 123 can increase the rigidity, and meanwhile, the first annular cylinder 11 is in small interference fit with the main oil seal lip and the dustproof lip of the transmission, so that the oil seal protection tool 1 is guaranteed to be firm in self-holding, and meanwhile, the oil seal protection tool 1 is guaranteed not to be deformed easily in the process of installing the driving shaft 3.
(4) Reliable protection
First annular cylinder 11 and derailleur oil blanket main lip, dust lip are for little excessive cooperation, and after oil blanket protection frock 1 installed on the oil blanket, first opening 114 and second opening 121 were close closed, can 360 degrees guarantee that the spline of drive shaft, jump ring can't contact the oil blanket, mention in "(3) self-sustaining firm, the deformation is less simultaneously," warp less, therefore oil blanket protection frock 1 can provide reliable protection to the derailleur oil blanket.
(5) Operating space is sufficient
The handle 13 and the first annular baffle 12 are staggered by 10-30mm, so that sufficient hand space of an operator is ensured. The size can be adjusted according to the arrangement condition of peripheral parts and the hand operation space.
(6) Convenient to disassemble and prevent from being lost
The first annular baffle 12 is symmetrically provided with semicircular notches 124, the first opening 114 and the second opening 121 are easier to open, and meanwhile, the handle 13 is provided with the anti-slip strip 132, so that the oil seal protection tool 1 is convenient to disassemble; in addition, the handle 13 is provided with a round hole 131 which can be hung at a specific position to prevent loss.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the utility model discloses an oil blanket protection frock schematic structure view.
Fig. 3 is the utility model discloses an oil blanket protection frock side schematic diagram.
Fig. 4 is the utility model discloses an oil blanket protection frock bottom surface schematic diagram.
Fig. 5 is the schematic diagram of the top surface of the oil seal protection tool of the present invention.
Fig. 6 is a schematic view of the plug structure of the present invention.
Fig. 7 is a usage state diagram of the present invention.
Wherein: 1-oil seal protection tooling; 11-an annular cylinder; 111-chamfering; 112-circular ring; 113-reinforcing bar; 114-an opening; 115-L-shaped plate; 1151 — first connection plate; 1152. -a second connecting plate; 12-annular baffle plate; 121-opening; 122-chamfer; 123-shoulder; 124-semicircular gap; 13-a handle; 131-a circular hole; 132-cleats; 2-blocking cover; 21-annular baffle plate; 22-annular cylinder; 3-driving shaft; 31-external spline; 32-clamp spring; 4-a transmission; 41-oil seal.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.
Example 1
As shown in fig. 1-6, an oil seal protection device comprises an oil seal protection tool 1 and a blanking cover 2, wherein the oil seal protection tool 1 comprises a first annular cylinder 11, a first annular baffle 12 and a handle 13, wherein the first annular baffle 12 is fixed below the front end of the handle 13, and the first annular cylinder 11 is fixed at the bottom of the first annular baffle 12; the front end of the first annular cylinder 11 is provided with a first opening 114, the front end of the first annular baffle 12 is provided with a second opening 121, and the first opening 114 is communicated with the second opening 121; the plug cover 2 comprises a second annular baffle plate 21 and a second annular cylinder 22, wherein the second annular cylinder 22 is fixed at the bottom of the second annular baffle plate 21, the second annular cylinder 22 passes through the first annular baffle plate 12 and then is connected in the first annular cylinder 11 in an interference fit manner, and the second annular baffle plate 21 is matched on the first annular baffle plate 12.
The bottom of the first annular cylinder 11, i.e. the side away from the first annular baffle 12, is provided with a first chamfer 111.
The inner wall of the first annular cylinder 11 is provided with a plurality of rings 112 for interference fit connection with the second annular cylinder 22 of the closure 2.
A second chamfer 122 is arranged above the inner ring of the first annular baffle 12, and shoulders 123 which are uniformly arranged are arranged above the outer ring.
The number of the shoulders 123 is four, the shoulders 123 are respectively arranged on the outer rings of the first annular baffles 12 at the two ends of the second opening 121, and the shoulders 123 are respectively arranged on the outer rings of the first annular baffles 12 at the left end and the right end of the handle 13.
The first annular baffle 12 is provided with semicircular notches 124 symmetrically arranged left and right, wherein the first annular baffle 12 between the two shoulders 123 at the left end of the second opening 121 is provided with one semicircular notch 124, and the first annular baffle 12 between the two shoulders 123 at the right end of the second opening 121 is provided with the other semicircular notch 124.
The upward extension line of the central axis of the handle 13 can pass through the center point of the first annular cylinder 11, and the two semicircular notches 124 are symmetrically arranged relative to the upward extension line of the central axis of the handle 13.
The rear end of the handle 13 is provided with a non-slip strip 132, and the handle 13 at the rear end of the non-slip strip 132 is provided with a round hole 131.
The handle 13 is fixed at the rear end of the first annular baffle plate 12 through an L-shaped plate 115, wherein the L-shaped plate comprises a first connecting plate 1151 and a second connecting plate 1152 which are fixed together and vertically arranged, one end of the second connecting plate 1152 is fixed on the first annular baffle plate 12, the other end of the second connecting plate 1152 is fixed at one end of the first connecting plate 1151, and the other end of the first connecting plate 1151 is fixed at the front end of the handle 13;
the second connection plate 1152 is disposed in parallel with the handle 13, and the first connection plate 1151 has a length of 10-30mm.
A reinforcing rib 113 is arranged at the joint of the first annular cylinder 11 and the first annular baffle 12.
Example 2
An oil seal protection device comprises an oil seal protection tool 1 and a plugging cover 2. The oil seal protection tool 1 comprises a first annular cylinder 11, a first annular baffle 12 and a handle 13. The closure 2 comprises a second annular baffle 21 and a second annular cylinder 22. The oil seal protection tool 1 and the plug cover 2 are made of soft plastics, oil-resistant rubber materials or other materials meeting requirements.
The first annular cylinder 11 is in small interference fit with the main lip and the dust lip of the oil seal of the transmission. The first annular cylinder 11 is far away from one side of the first annular baffle 12 and is provided with a first chamfer 111, and the initial section of the first chamfer 111 is in clearance fit with the oil seal to play a role in guiding the first annular cylinder 11 to enter the oil seal of the transmission. The inner cylindrical surface of the first annular cylinder 11 is provided with a plurality of rings 112 which are in small interference fit with the second annular cylinder 22 of the block cover 2, thereby playing a role in preventing the block cover from falling off. The first annular cylinder 11 and the first annular baffle 12 are respectively provided with a first opening 114 and a second opening 121 on the opposite side of the handle 13, and are vertically communicated, and the openings are fan-shaped, so that when the oil seal protection tool 1 is installed on a transmission oil seal, the first opening 114 and the second opening 121 can be closed closely.
The first annular baffle 12 is provided with a second chamfer 122 on one side close to the handle 13, which plays a role in guiding the installation of the driving shaft. The shoulder 123 is arranged on the outer edge of one side, close to the handle 13, of the first annular baffle plate 12, the rigidity of the first annular baffle plate 12 is increased, and when the driving shaft is prevented from being installed, the first annular baffle plate 12 deforms, and the oil seal protection tool 1 falls off or cannot effectively protect the oil seal of the transmission. The first annular baffle 12 is symmetrically provided with semicircular notches 124 at the center position which is perpendicular to the axis of the handle 13 and passes through the first annular cylinder 11, when the oil seal protection tool 1 is disassembled, the first opening 114 and the second opening 121 need to be opened, and the semicircular notches 124 enable the first annular cylinder 11 and the first annular baffle 12 to be opened more easily, so that time and labor are saved, and the oil seal protection tool 1 is convenient to disassemble.
The side of the handle 13 away from the first ring baffle 12 is provided with a round hole 131 and a skid-proof strip 132. The oil seal protection tool 1 is placed on a production line at will and is easy to lose or be taken away by a conveying table, and the round hole 131 is used for facilitating hanging at a specific position and facilitating field 5S management. The anti-slip strips 132 are used for increasing friction and ensuring that an operator can play a role in preventing slipping when the operator pulls out the oil seal protection tool 1, particularly when sweat on hands is more.
The handle 13 is not in the same plane as the first annular baffle 12, and is recommended to be higher than the first annular baffle 12 by 10-30mm in the direction away from the first annular cylinder 11, so that the main purpose is to leave enough operating space for the hand of an operator, the oil seal protection tool 1 can be conveniently and reliably pulled out towards the oil seal side of the transmission, and the size can be adjusted according to the arrangement condition of peripheral parts and the hand operating space.
The joint of the first annular cylinder 11 and the first annular baffle 12 is provided with a reinforcing rib 113, so that the rigidity is enhanced, the first annular cylinder 11 and the first annular baffle 12 are prevented from deforming in the process of installing the driving shaft, and the oil seal protection tool 1 falls off or cannot effectively protect the oil seal of the transmission.
As shown in fig. 7, the working process introduces:
the application of an oil seal protection device has two application scenarios.
1. Before the transmission is delivered from the production line, the plug cover 2 is mounted on the inner ring of the first annular cylinder 11 of the oil seal protection tool 1, and then the plug cover and the oil seal 41 of the transmission 4 are mounted together to be supplied together with the transmission 4. In the application scenario, in the process of transporting and carrying the transmission 4, the device prevents impurities such as dust and the like from entering the transmission, and plays a role in sealing; the oil seal 41 protects the transmission 4 during the assembly of the drive shaft 3 with the transmission 4.
2. In the process of combining the driving shaft 3 and the transmission 4 on an automobile production line, an oil seal is used for protecting the tool 1 (without using the blanking cover 2); this application scene only uses oil blanket protection frock 1, does not use blanking cover 2, attaches together the in-process with drive shaft 3 and derailleur 4, plays the effect of the oil blanket 41 of protection derailleur 4.
The following mainly describes how the oil seal protection tool 1 protects the oil seal.
The outer circumferential surface of the first annular cylinder 11 of the oil seal protection tool 1 is aligned with the center of the oil seal 41 of the transmission 4, and then is slowly pushed in, and is fitted in place when the end surface of the first annular baffle 12 comes into contact with the oil seal 41.
Drive shaft 3 is slowly sent into first annular cylinder 11 inner circular surface, when the external splines 31 and jump ring 32 of drive shaft 3 pass first annular cylinder 11 completely or drive shaft 3 freely inserts the deepest position of derailleur 4, stop propelling movement drive shaft 3, first annular cylinder 11 of this in-process is with external splines 31, jump ring 32 and the main lip of oil blanket 41, the dust lip is kept apart completely, ensure the main lip of oil blanket 41, the dust lip is not by external splines 31, sharp-pointed crest line on jump ring 32, fish tail etc. fish tail, thereby avoid because the oil blanket that the assembly link caused is invalid.
When the device is disassembled, the handle 13 is held, the oil seal protection tool 1 is pulled outwards with slight force along the radial direction of the oil seal 41, the openings of the first annular cylinder 11 and the first annular baffle 12 are expanded, and the oil seal protection tool 1 is disassembled.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the protection scope of the present invention is not limited to the details of the above embodiments, and within the technical concept of the present invention, any person skilled in the art is within the technical scope of the present invention, and according to the technical solution of the present invention and the inventive concept thereof, equivalent replacement or change is made, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (10)
1. The oil seal protection device is characterized by comprising an oil seal protection tool (1) and a blocking cover (2), wherein the oil seal protection tool (1) comprises a first annular cylinder (11), a first annular baffle plate (12) and a handle (13), the first annular baffle plate (12) is fixed below the front end of the handle (13), and the first annular cylinder (11) is fixed at the bottom of the first annular baffle plate (12); a first opening (114) is formed in the front end of the first annular cylinder (11), a second opening (121) is formed in the front end of the first annular baffle (12), and the first opening (114) is communicated with the second opening (121); the blocking cover (2) comprises a second annular baffle plate (21) and a second annular cylinder (22), wherein the second annular cylinder (22) is fixed at the bottom of the second annular baffle plate (21), the second annular cylinder (22) penetrates through the first annular baffle plate (12) and then is connected in the first annular cylinder (11) in an interference fit mode, and the second annular baffle plate (21) is matched on the first annular baffle plate (12).
2. An oil seal protection device according to claim 1, characterized in that the bottom of said first annular cylinder (11) is provided with a first chamfer (111).
3. An oil seal protection device according to claim 2, characterized in that a plurality of rings (112) are provided on the inner wall of the first annular cylinder (11) for interference fit connection with the second annular cylinder (22) of the plug cover (2).
4. An oil seal protection device according to claim 3, characterized in that the first annular baffle (12) is provided with a second chamfer (122) above the inner ring and a uniformly arranged shoulder (123) above the outer ring.
5. An oil seal protection device according to claim 4, characterized in that the number of the shoulders (123) is four, the upper and lower ends of the first annular baffle (12) at the left side of the second opening (121) are respectively provided with a shoulder (123), and the upper and lower ends of the first annular baffle (12) at the right side of the second opening (121) are respectively provided with a shoulder (123).
6. An oil seal protection device according to claim 5, characterized in that a semicircular notch (124) is provided on the first annular baffle (12) between the upper and lower shoulders (123) at the left end of the second opening (121), and another semicircular notch (124) is provided on the first annular baffle (12) between the upper and lower shoulders (123) at the right end of the second opening (121).
7. An oil seal protection device according to claim 6, characterized in that the central axis of the handle (13) is extended upward through the center point of the first annular cylinder (11), and the two semicircular notches (124) are symmetrically arranged with respect to the central axis of the handle (13).
8. The oil seal protection device according to claim 7, wherein the handle (13) is provided with a non-slip strip (132) at the rear end thereof, and the handle (13) at the rear end of the non-slip strip (132) is provided with a circular hole (131).
9. An oil seal protection device according to claim 8, characterized in that the handle (13) is fixed at the rear end of the first annular baffle (12) by an L-shaped plate (115), wherein the L-shaped plate comprises a first connecting plate (1151) and a second connecting plate (1152) which are fixed together, wherein one end of the second connecting plate (1152) is fixed on the first annular baffle (12), the other end of the second connecting plate is fixed at one end of the first connecting plate (1151), and the other end of the first connecting plate (1151) is fixed at the front end of the handle (13);
the second connecting plate (1152) is arranged in parallel with the handle (13), the first connecting plate (1151) is perpendicular to the second connecting plate (1152), and the length of the first connecting plate (1151) is 10-30mm.
10. An oil seal protection device according to claim 9, characterized in that a reinforcing rib (113) is provided at the joint of the first annular cylinder (11) and the first annular baffle (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220739182.4U CN218326126U (en) | 2022-03-31 | 2022-03-31 | Oil seal protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220739182.4U CN218326126U (en) | 2022-03-31 | 2022-03-31 | Oil seal protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218326126U true CN218326126U (en) | 2023-01-17 |
Family
ID=84830368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220739182.4U Active CN218326126U (en) | 2022-03-31 | 2022-03-31 | Oil seal protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218326126U (en) |
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2022
- 2022-03-31 CN CN202220739182.4U patent/CN218326126U/en active Active
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