CN218875242U

CN218875242U - Positioning tool for installing gasket

Info

Publication number: CN218875242U
Application number: CN202222914158.2U
Authority: CN
Inventors: 吴四军; 檀涛
Original assignee: Changzhou Imas Power Technology Co ltd
Current assignee: Changzhou Imas Power Technology Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-04-18
Anticipated expiration: 2032-11-02

Abstract

The application discloses a location frock for gasket installation for with a gasket location mounting in a casing, the gasket is implemented for the metal material, the gasket has a through-hole, the casing has a mounting hole, the size adaptation of gasket in the mounting hole, the casing the partial inner wall of mounting hole to the axis of mounting hole extends and forms a limit step, the casing still has a cooperation structure that is formed at the surface, a location frock for gasket installation includes an at least magnetism piece, magnetism piece has a magnetism and inhales the wall, magnetism inhales the wall and is set up can be attached casing surface time at least part with in the mounting hole the gasket overlaps, magnetism piece can utilize magnetism to inhale in order with the gasket is attached in limit step. Compare current gasket mounting means, the simple operation need not to experience grease coating operation and centering operation, and the positioning effect is better.

Description

Positioning tool for installing gasket

Technical Field

The utility model relates to a gasket installation auxiliary fixtures technical field especially relates to a location frock for gasket installation.

Background

Gaskets are typically made of sheet material and are mechanical seals between two objects for increasing contact area, reducing pressure, preventing loosening, etc. The gasket has a wide application range, wherein the gasket comprises a transmission, a bearing is usually sleeved outside a gear shaft of the transmission, and the gasket is usually required to be arranged between the bearing and the inner wall of a shell in order to prevent the bearing from colliding with the inner wall of the shell of the transmission due to axial movement, so that the NVH performance of the transmission is improved.

At present, when the gasket is installed, a layer of grease needs to be coated on the gasket, and the gasket is adhered in an installation hole of an upper shell by the grease so as to facilitate subsequent assembly. The installation mode not only needs higher processing cost, but also is difficult to control because the amount of the manual coating grease is not easy to control, and the situation that the gasket falls off when the gearbox is closed due to insufficient grease amount possibly exists, so that the reliability of the gearbox is influenced. Meanwhile, the possibility of coating leakage exists in manual coating of grease, so that the qualification rate of the transmission is greatly reduced.

In addition, the gasket can also be directly placed on the bearing end face in the lower shell, and the gasket is placed in the mounting hole of the upper shell by utilizing centering equipment when the box is closed. The mounting mode has high centering requirement, high production line cost and low practicability.

SUMMERY OF THE UTILITY MODEL

An advantage of the utility model is that a location frock for gasket installation is provided, the utility model discloses utilize magnetism to inhale and install gasket coaxial positioning in the mounting hole of casing to later stage assembly. Compare current gasket mounting means, the simple operation need not to experience grease coating operation and centering operation, and the positioning effect is better.

The utility model discloses an advantage lies in providing the location frock that is used for the gasket installation, the utility model discloses can apply magnetic attraction to the gasket entirely, ensure that the gasket is firm to be kept in the mounting hole, effectively avoid the condition that the gasket dropped to appear.

The utility model discloses an advantage lies in providing the location frock that is used for the gasket installation, the utility model discloses can be accurate the surface of casing and the gasket in the mounting hole correspond, increase convenience and the validity of using.

In order to achieve the utility model discloses above at least one advantage, the utility model provides a location frock for gasket installation for with a gasket location installation in a casing, the gasket is implemented to the metal material, the gasket has a through-hole, the casing has a mounting hole, the size adaptation of gasket in the mounting hole, the casing the partial inner wall of mounting hole to the axis of mounting hole extends and forms a spacing step, the casing still has a cooperation structure that is formed at the surface, a location frock for gasket installation includes an at least magnetism stationary part, magnetism stationary part has a magnetism and inhales the wall, magnetism is inhaled the wall and is set up and can be attached casing surface time at least part with in the mounting hole the gasket overlaps, magnetism stationary part can utilize magnetism inhale in order will with the mounting hole is coaxial the gasket is attached in spacing step.

According to an embodiment of the invention, the magnetic fixing member is implemented as a magnet.

According to an embodiment of the present invention, the magnetic fixing member forms a through hole, and a size of the through hole is not larger than a size of the through hole.

According to the utility model relates to an embodiment, magnetism is decided piece and is provided with two and all present the arcuation, the through hole is formed in two between the magnetism is decided piece, two magnetism is decided piece symmetric distribution, the long dimension of footpath of magnetism is decided piece extrados must not be less than the external diameter size of gasket.

According to the utility model discloses an embodiment, magnetism is decided and is provided with one and present the annular, the through hole is located magnetism is decided central point of piece and is put, magnetism is decided the external diameter size of piece and must not be less than the external diameter size of gasket.

According to the utility model discloses an embodiment, magnetism is decided still has a location structure, location structure form in the wall is inhaled to the magnetism, location structure's shape and size adaptation in cooperation structure, magnetism is decided set up can pass through location structure with cooperation structure's mating reaction with the mounting hole coaxial set up in the surface of casing.

According to the utility model discloses an embodiment, the cooperation structure is implemented to be formed at the recess of casing surface, location structure is implemented to be formed at the magnetism inhales the arch of wall, bellied size adaptation in the recess, magnetism fixed piece is set up can through protruding joint in the form clearance fit of recess is in the casing.

According to the utility model discloses an embodiment, cooperation structure is implemented to be formed in a plurality of sand grips of casing surface, location structure is implemented to be formed in a plurality of notches of magnetism suction wall, the size adaptation of notch in the sand grip, magnetism is fixed the piece and is set up can be through a plurality of notch and a plurality of the form clearance fit that the sand grip corresponds is in the casing.

According to the utility model discloses an embodiment, a location frock for gasket installation includes a gripping member, the gripping member is installed in magnetism stationary part, the gripping member receives external force can drive magnetism stationary part removes in order to be close to or keep away from the casing.

According to the utility model discloses an embodiment, the both ends of gripping member all with magnetism decides that the piece deviates from a lateral wall of magnetism inhales the wall is connected, at least part the gripping member is crooked and the centre of a circle of its curved surface is located on the axis of magnetism decides.

Drawings

Fig. 1 shows a schematic structural view of a gasket and a housing.

Fig. 2 shows a scene diagram of the positioning tool for installing the gasket of the present invention.

Fig. 3 shows a perspective view of the positioning tool for installing the gasket of the present invention.

Fig. 4 shows a use scene cross-sectional view of a positioning tool for installing a gasket according to the present invention.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purpose of limitation.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

Referring to fig. 1 to 2, a positioning tool for gasket installation according to a preferred embodiment of the present invention will be described in detail below, the positioning tool for gasket installation is used to position and install a gasket 80 on a housing 90, and the gasket 80 is made of metal.

The spacer 80 has a through hole 801, the housing 90 has a mounting hole 901, and the size of the spacer 80 is adapted to the mounting hole 901. A part of the inner wall of the mounting hole 901 of the housing 90 extends toward the central axis of the mounting hole 901 to form a limiting step 91. The spacer 80 is disposed coaxially with the mounting hole 901 and attached to the position-limiting step 91. The housing 90 also has a mating structure 92 formed on an outer surface thereof.

Preferably, the fitting structure 92 is implemented as a plurality of ribs formed on the outer surface of the housing 90, and the plurality of ribs are distributed on the periphery of the mounting hole 901.

The fitting structure 92 is implemented as a recess formed on the outer surface of the housing 90, which is located at the periphery of the mounting hole 901, as a deformable body.

Referring to fig. 2 to 4, the positioning tool for installing the gasket includes at least one magnetic fixing member 10, the magnetic fixing member 10 has a magnetic attraction wall 11, and the magnetic attraction wall 11 is configured to at least partially overlap with the gasket 80 in the installation hole 901 when being attached to the outer surface of the housing 90, so that the magnetic attraction wall 11 utilizes magnetic attraction to attach the gasket 80 coaxial with the installation hole 901 to the limiting step 91, thereby ensuring that the gasket 80 is stably arranged for later assembly.

Preferably, the magnet 10 is implemented as a magnet.

The magnet part 10 is arranged so as to be deformable and can be magnetized by passing current, and the magnet part 10 is implemented as an electromagnet.

The magnetic fixing piece 10 is provided with a through hole 101, and the size of the through hole 101 is not larger than that of the through hole 801, so that the magnetic fixing piece 10 can be ensured to be capable of installing the gasket 80 in the shell 90 in a positioning mode, meanwhile, the load of the magnetic fixing piece 10 is reduced, and the convenience in carrying the positioning tool for installing the gasket is improved.

Preferably, the magnetic fixed piece 10 is provided with one annular through hole 101, the through hole 101 is located in the central position of the magnetic fixed piece 10, and the outer diameter of the magnetic fixed piece 10 is not smaller than the outer diameter of the gasket 80, so that when the magnetic fixed piece 10 is attached to the housing 90 in a manner that the through hole 101 and the through hole 801 are coaxially arranged, the gasket 80 is completely overlapped with the magnetic fixed piece 10, and at this time, the gasket 80 is uniformly subjected to the magnetic attraction of the magnetic fixed piece 10 to be stably attached to the limiting step 91, thereby effectively avoiding the situation that the gasket 80 falls off.

As a deformable field, the magnetic fixed pieces 10 are provided with two arc-shaped through holes 101 formed between the two magnetic fixed pieces 10, the two magnetic fixed pieces 10 are symmetrically distributed, and the radial length of the outer arc surface of the magnetic fixed piece 10 is not less than the outer diameter of the gasket 80, so that the gasket 80 can be stably attached to the limiting step 91 by uniformly receiving the magnetic attraction force of the magnetic fixed piece 10.

In order to enable those skilled in the art to understand the present embodiment, in at least one of the following embodiments and the corresponding drawings, only one of the magnetic members 10 is provided and has a ring shape, the through hole 101 is located at a central position of the magnetic member 10, and an outer diameter of the magnetic member 10 should not be smaller than an outer diameter of the gasket 80.

Referring to fig. 2 to 3, the magnetic member 10 further has a positioning structure 12, the positioning structure 12 is formed on the magnetic attraction wall 11, and the positioning structure 12 is adapted to the fitting structure 92 in shape and size. The magnetic fixing piece 10 is arranged on the outer surface of the shell 90 coaxially with the mounting hole 901 through the cooperation of the positioning structure 12 and the matching structure 92, so that the accuracy of the placement position of the magnetic fixing piece 10 is increased, the operation difficulty is reduced, and the magnetic fixing piece 10 is ensured to be coaxial with the gasket 80 so as to apply magnetic attraction to the gasket 80 comprehensively.

Preferably, when the engagement structure 92 is implemented as a plurality of protruding strips formed on the outer surface of the housing 90, the positioning structure 12 is implemented as a plurality of recesses formed on the magnetic suction wall 11, the dimensions of the recesses being adapted to the protruding strips. Magnetic member 10 can be through a plurality of notch and a plurality of the form clearance fit that the sand grip corresponds casing 90, and this moment magnetic member 10 joint in casing 90 and with the gasket 80 is coaxial for magnetic member 10 places accurately.

As a variant, when the fitting structure 92 is implemented as a recess formed in the outer surface of the housing 90, the positioning structure 12 is implemented as a projection formed in the magnetically attractive wall 11, the dimensions of which are adapted to the recess. The magnetic fixing piece 10 can be in clearance fit with the shell 90 in a mode of being clamped in the groove through the protrusion, and the purpose that the magnetic fixing piece 10 is accurately placed on the outer surface of the shell 90 can also be achieved.

Referring to fig. 2 to 4, the positioning tool for installing the gasket includes a holding part 20, the holding part 20 is installed on the magnetic fixing part 10, and the holding part 20 can drive the magnetic fixing part 10 to move close to or away from the housing 90 under external force, so that the magnetic fixing part 10 performs the positioning and installing operation of the gasket 80.

Preferably, the holding member 20 is installed on a side of the magnetic fixing member 10 away from the magnetic attraction wall 11, so as to avoid interference between the holding member 20 and the housing 90 to affect movement of the magnetic fixing member 10.

Preferably, both ends of the holding part 20 are connected to a side wall of the magnetic fixing part 10 away from the magnetic attraction wall 11, at least a portion of the holding part 20 is bent, and a center of a curved surface of the holding part is located on an axis of the magnetic fixing part 10, so that when a force is applied to the holding part 20 along the direction of the axis of the magnetic fixing part 10 to drive the magnetic fixing part 10 to be in clearance fit with the housing 90, the magnetic fixing part 10 can be uniformly stressed, and the magnetic fixing part 10 is ensured to be coaxial with the mounting hole 901.

The working method of the positioning tool for installing the gasket is provided, and comprises the following steps: the magnetic attraction wall 11 of the magnetic member 10 is attached to the outer surface of the housing 90 and overlapped with the gasket 80 in the mounting hole 901, so as to fasten and attach the gasket 80 coaxial with the mounting hole 901 to the limit step 91.

Further, the working method of the positioning tool for installing the gasket comprises the following steps: the magnetic member 10 is in clearance fit with the housing 90 through the positioning structure 12 and the corresponding fitting structure 92, so that the magnetic member 10 is precisely placed, and the magnetic member 10 can apply magnetic attraction force to the whole surface of the gasket 80.

It will be understood by those skilled in the art that the embodiments of the present invention described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The advantages of the present invention are complete and effective. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.

Claims

1. A location frock for gasket installation for with a gasket location installation in a casing, the gasket is implemented for the metal material, the gasket has a through-hole, the casing has a mounting hole, the size adaptation of gasket in the mounting hole, the casing partial inner wall of mounting hole to the axis of mounting hole extends and forms a spacing step, the casing still has a cooperation structure that forms in the surface, a serial communication port, a location frock for gasket installation includes an at least magnetism stationary part, magnetism stationary part has a magnetism and inhales the wall, magnetism inhales the wall and is set up can be attached casing surface time at least part with in the mounting hole the gasket overlaps, magnetism stationary part can utilize magnetism inhale in order with the mounting hole is coaxial the gasket attached in spacing step.

2. The positioning tool for gasket mounting as set forth in claim 1, wherein said magnetic member is implemented as a magnet.

3. The positioning tool for installing the gasket as claimed in claim 1, wherein the magnetic fixed piece is formed with a through hole, and the size of the through hole is not larger than that of the through hole.

4. The positioning tool for installing the gasket according to claim 3, wherein the magnetic fixed pieces are provided with two arc-shaped magnetic fixed pieces, the through holes are formed between the two magnetic fixed pieces, the two magnetic fixed pieces are symmetrically distributed, and the radial length of the outer arc surfaces of the magnetic fixed pieces is not less than the outer diameter of the gasket.

5. The positioning tool for installing the gasket according to claim 3, wherein the magnetic fixed piece is provided with one through hole and is annular, the through hole is located in the center of the magnetic fixed piece, and the outer diameter of the magnetic fixed piece is not smaller than that of the gasket.

6. The positioning tool for gasket installation according to claim 5, wherein the magnetic fixing piece further comprises a positioning structure, the positioning structure is formed on the magnetic attraction wall, the shape and the size of the positioning structure are matched with those of the matching structure, and the magnetic fixing piece is arranged on the outer surface of the shell coaxially with the installation hole through the matching effect of the positioning structure and the matching structure.

7. The tool of claim 6, wherein the engaging structure is implemented as a groove formed on the outer surface of the housing, the positioning structure is implemented as a protrusion formed on the magnetic attraction wall, the protrusion is sized to fit into the groove, and the magnetic fixing member is configured to be clearance-fitted to the housing by being snapped into the groove by the protrusion.

8. The positioning tool for gasket installation according to claim 6, wherein the engaging structure is implemented as a plurality of protruding strips formed on the outer surface of the housing, the positioning structure is implemented as a plurality of notches formed on the magnetic attraction wall, the size of the notches is adapted to the protruding strips, and the magnetic fixing piece is configured to be capable of being in clearance fit with the housing through a form corresponding to the plurality of protruding strips through the plurality of notches.

9. The positioning tool for installing the gasket as claimed in claim 1, wherein the positioning tool for installing the gasket comprises a holding member, the holding member is installed on the magnetic fixing member, and the holding member can drive the magnetic fixing member to move towards or away from the housing under the action of an external force.

10. The positioning tool for gasket installation according to claim 9, wherein both ends of the holding part are connected with a side wall of the magnetic fixing part, which is away from the magnetic attraction wall, at least part of the holding part is bent, and a center of a curved surface of the holding part is located on an axis of the magnetic fixing part.