CN215720073U

CN215720073U - Novel plane gasket

Info

Publication number: CN215720073U
Application number: CN202122289192.0U
Authority: CN
Inventors: 郭庆堃
Original assignee: Zhongshan Lida Electrical Appliances Co ltd
Current assignee: Zhongshan Lida Electrical Appliances Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-02-01
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses a novel planar washer which comprises a shaft core, wherein a hexagonal nut is movably sleeved on the outer side of the shaft core, a pre-locking workpiece is arranged on the outer side of the hexagonal nut, a planar washer body is movably sleeved at the bottom of the hexagonal nut, a bearing is sleeved on the outer side of a middle waist line of the shaft core, and a C-shaped check ring is arranged at the bottom of the shaft core. Through the setting of T type collet, can change the condition of plane packing ring body skew in locking, also avoid causing the condition of damage to the C type retaining ring of bottom simultaneously, be connected for the integration between T type collet and the plane packing ring body, the forged extrusion technology that T type collet adopted, shrink the extrusion to the inboard with both sides, see in the cross-section, the external shape of T type collet becomes the T type, only need adjust the inner circle and move back the diameter size of grooving, and mutually support with the diameter size of shoulder on the bearing, just can prevent the off normal of plane packing ring body in the process of locking hexagon nut.

Description

Novel plane gasket

Technical Field

The utility model relates to the technical field of fastener products, in particular to a novel planar gasket.

Background

The fastening piece is one of the auxiliary parts commonly used for mechanical parts, the fastening between the parts is realized through the product of the fastening piece, the plane washer is one of the parts commonly used for fastening piece products, the plane washer is widely applied to different fastening connection occasions, the plane washer is most matched with the nut and the bolt, the fastening connection between the nut and the bearing is enhanced through the plane washer, and meanwhile, the plane washer can prevent the nut from deforming and damaging the bearing and other parts in the locking process.

The existing plane washer adopts a common assembly mode, the plane washer is easy to deviate from a shaft shoulder in the process of locking the nut, and the other mode adopts a shaft sleeve for supporting, but the mode is easy to damage a C-shaped check ring at the bottom, so that the C-shaped check ring is deformed.

Therefore, it is necessary to invent a new type of flat gasket to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel planar washer, which aims to solve the problems that the conventional planar washer adopts a common assembly mode, so that the planar washer is easy to deviate from a shaft shoulder in the nut locking process, and the other mode adopts a shaft sleeve for supporting, but the mode is easy to damage a C-shaped check ring at the bottom, so that the C-shaped check ring is deformed.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a novel plane packing ring, includes the axle core, hexagon nut has been cup jointed in the outside activity of axle core, and hexagon nut's the outside installs the pre-lock work piece, plane packing ring body has been cup jointed in hexagon nut's bottom activity, the well waist line outside of axle core has been cup jointed the bearing, and the bottom of axle core is provided with C type retaining ring, the resettlement groove has all been seted up to the surface left and right sides of plane packing ring body.

Preferably, the vertical central axis of the hexagonal nut coincides with the vertical central axis of the shaft core, and the hexagonal nut, the shaft core and the planar washer body are all located on the same shaft axis.

Preferably, the bottom of the planar gasket body comprises a T-shaped bottom support, an inner ring, a back-cutting groove, a clamping groove and an anti-slip rubber ring, the inner ring is arranged on the central axis of the planar gasket body in a penetrating mode, the back-cutting groove is formed in the inner wall of the T-shaped bottom support, the clamping groove is formed in the top surface of the back-cutting groove, and the anti-slip rubber ring is filled in the clamping groove.

Preferably, the T-shaped bottom support and the plane washer body are of an integrated connecting structure, and the diameter of the inner ring is matched with that of the shaft core.

Preferably, the size of the undercut groove is mutually matched with the outer diameter of the shaft shoulder of the bearing, and the bottom surface of the T-shaped bottom support is mutually attached to the shaft shoulder of the bearing.

Preferably, the inside of the placing groove comprises a connecting groove, a spring washer, oblique groove lines and a metal elastic sheet, the metal elastic sheet is embedded in the connecting groove, the spring washer is welded on one side of the metal elastic sheet, and the oblique groove lines are uniformly formed in the surface of the spring washer.

Preferably, the spring washer is matched with the placement groove in structural size, and the spring washer is connected with the connecting groove through the metal elastic sheet.

Preferably, the oblique grooves are uniformly distributed on the surface of the spring washer, and the length of each group of oblique grooves is consistent with the width of the surface of the spring washer.

Preferably, the outer shape of the installation groove is arc-shaped, and the installation groove and the planar gasket body are mutually embedded.

In the technical scheme, the utility model provides the following technical effects and advantages: 1. the T-shaped bottom support is integrally connected with the planar gasket body, the T-shaped bottom support adopts a forging extrusion process, two sides of the T-shaped bottom support are shrunk and extruded inwards, the external shape of the T-shaped bottom support is T-shaped when viewed from the cross section, the deviation of the planar gasket body in the process of locking the hexagon nut can be prevented only by adjusting the diameter size of the inner ring and the undercut groove and matching with the diameter size of the shaft shoulder on the bearing, so that the pretightening force of the hexagon nut is still acted on the shaft shoulder and cannot be transmitted to the bearing through the inner ring to ensure that the bearing is not damaged by the pretightening force of the hexagon nut, and the T-shaped bottom support can install the integral planar gasket body on the shaft shoulder of the bearing, therefore, the pre-tightening force of the plane washer body and the hexagonal nut acts on the shaft shoulder instead of the bearing, and the C-shaped check ring is protected.

2. The hexagonal nut and the shaft core are matched with each other to form a threaded connection relation, the hexagonal nut is helped to be matched with the shaft core to lock through utilizing threaded connection between the hexagonal nut and the shaft core, and meanwhile, the hexagonal nut and the shaft core are located on the same axis and are vertically kept, so that the situation that deviation does not occur among the hexagonal nut and the shaft core can be clearly observed.

3. The spring washer is arranged inside the arrangement groove, so that the spring washer is indirectly combined with the plane washer body, a buffering space can be formed between the hexagon nut and the bearing by utilizing the spring washer, the external shape of the spring washer is arc-shaped, the structural style of the traditional spring washer is changed, the whole group of the spring washer is disassembled into a left part and a right part which are symmetrical, and further, the buffering space is simultaneously manufactured at the left side and the right side of the plane washer body, so that the pretightening force between the hexagon nut and the plane washer body can be more proper by virtue of the elastic force of the spring washer, the pretightening force of the hexagon nut and the plane washer body as well as the bearing can not cause damage, a friction force can be kept on the surface of the spring washer by the arrangement of oblique grooves, a resistance moment is generated, and the hexagon nut can be prevented from loosening, the mounting groove is bilateral symmetry setting about the horizontal center line of plane packing ring body, can combine spring washer and plane packing ring body together through the setting in arrangement groove, so, when installation and locking, can operate together, and is more simple and convenient quick.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic bottom view of the planar gasket body of the present invention.

Fig. 3 is a schematic top view of the planar gasket body of the present invention.

Fig. 4 is a schematic cross-sectional structure view of a planar gasket body of the present invention.

Fig. 5 is a schematic structural view of the spring washer of the present invention.

Description of reference numerals: the structure comprises a shaft core 1, a pre-locking workpiece 2, a hexagonal nut 3, a planar washer body 4, a 401T-shaped bottom support, an inner ring 402, a 403 retreating groove, a 404 clamping groove, an anti-skid rubber ring 405, a bearing 5, a 6C-shaped retainer ring, a 7 placing groove, a 701 connecting groove, a 702 spring washer, 703 inclined groove grains and 704 metal elastic sheets.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The utility model provides a novel plane washer as shown in figures 1-5, which comprises a shaft core 1, wherein a hexagonal nut 3 is movably sleeved on the outer side of the shaft core 1, a pre-locking workpiece 2 is installed on the outer side of the hexagonal nut 3, a plane washer body 4 is movably sleeved at the bottom of the hexagonal nut 3, a bearing 5 is sleeved on the outer side of a middle waist line of the shaft core 1, a C-shaped check ring 6 is arranged at the bottom of the shaft core 1, mounting grooves 7 are formed in the left side and the right side of the surface of the plane washer body 4, and the plane washer body 4 is arranged, so that the traditional assembly mode is changed, and meanwhile, the plane washer body 4 does not need to be directly mounted on a shaft shoulder, so that the C-shaped check ring 6 below the bearing 5 and the bearing 5 can be protected, and the plane washer body 4 can be prevented from deviating from the shaft shoulder in the locking process of the hexagonal nut 3.

Further, in above-mentioned technical scheme, the vertical axis of hexagon nut 3 and the vertical axis of axle core 1 coincide each other, and hexagon nut 3, axle core 1 and plane gasket body 4 all are located same axis, mutually support between hexagon nut 3 and the axle core 1 and constitute the threaded connection relation, through utilizing the threaded connection between hexagon nut 3 and the axle core 1, help cooperating hexagon nut 3 to lock, the three all is located same axis simultaneously, keep perpendicularly from top to bottom, can very clearly observe the condition that has not taken place the skew between the three.

Further, in the above technical solution, the bottom of the planar gasket body 4 includes a T-shaped bottom bracket 401, an inner ring 402, a back-cutting groove 403, a clamping groove 404 and an anti-slip rubber ring 405, the inner ring 402 is penetratingly disposed on the central axis of the planar gasket body 4, the back-cutting groove 403 is disposed on the inner wall of the T-shaped bottom bracket 401, the clamping groove 404 is disposed on the top surface of the back-cutting groove 403, the anti-slip rubber ring 405 is filled in the clamping groove 404, the offset condition of the planar gasket body 4 during locking can be changed through the arrangement of the T-shaped bottom bracket 401, meanwhile, the condition of damage to the C-shaped check ring 6 at the bottom is avoided, and the T-shaped bottom bracket 401 and the planar gasket body 4 are integrally connected.

Furthermore, in the above technical solution, an integrated connection structure is formed between the T-shaped bottom bracket 401 and the planar washer body 4, and the diameter of the inner ring 402 is matched with the diameter of the shaft core 1, the T-shaped bottom bracket 401 adopts a forging extrusion process to shrink and extrude the two sides inwards, and when viewed from the cross section, the external shape of the T-shaped bottom bracket 401 forms a T shape, and the deviation of the planar washer body 4 in the process of locking the hexagon nut 3 can be prevented only by adjusting the diameter of the inner ring 402 and the undercut groove 403 and matching with the diameter of the shoulder on the bearing 5, so that the pretightening force of the hexagon nut 3 still acts on the shoulder, and is not transmitted to the bearing 5 through the inner ring 402, and the bearing 5 is not damaged by the pretightening force of the hexagon nut 3.

Further, in the above technical solution, the size of the undercut groove 403 and the outer diameter of the shoulder of the bearing 5 are matched with each other, the bottom surface of the T-shaped bottom bracket 401 and the shoulder of the bearing 5 are attached to each other, and the T-shaped bottom bracket 401 is configured to be able to mount the integral planar gasket body 4 on the shoulder of the bearing 5, so that the pretension force of the planar gasket body 4 and the hexagon nut 3 acts on the shoulder instead of the bearing 5 itself, thereby protecting the C-shaped retaining ring 6.

Further, in the above technical solution, the inside of the installation groove 7 includes a connection groove 701, a spring washer 702, oblique grooves 703 and a metal elastic sheet 704, the metal elastic sheet 704 is installed inside the connection groove 701 in an embedded manner, the spring washer 702 is welded on one side of the metal elastic sheet 704, the oblique grooves 703 are uniformly formed on the surface of the spring washer 702, the spring washer 702 is installed inside the installation groove 7 through the installation of the installation groove 7, so that the spring washer 702 is indirectly combined with the planar washer body 4, and a buffering space can be formed between the hexagon nut 3 and the bearing 5 by using the spring washer 702.

Further, in the above technical solution, the structural dimensions of the spring washer 702 and the installation groove 7 are matched, and the spring washer 702 is connected with the connection groove 701 through the metal elastic sheet 704, the external shape of the spring washer 702 is arc-shaped, the structural style of the traditional spring washer 702 is changed, the whole set of spring washer 702 is disassembled into two parts which are bilaterally symmetrical, and then a space which can be buffered is simultaneously manufactured at the left side and the right side of the plane washer body 4, so that the pre-tightening force between the hexagon nut 3 and the plane washer body 4 can be more appropriate by virtue of the elastic force of the spring washer 702, and the pre-tightening force of the hexagon nut 3 and the plane washer body 4 and the bearing 5 cannot be damaged.

Further, in the above technical solution, the inclined grooves 703 are uniformly distributed on the surface of the spring washer 702, and the length of each group of inclined grooves 703 is the same as the width of the surface of the spring washer 702, so that a friction force can be maintained on the surface of the spring washer 702 through the arrangement of the inclined grooves 703, a resisting moment is generated, and the hexagonal nut 3 can be prevented from loosening.

Further, in the above technical solution, the outer shape of the installation groove 7 is arc-shaped, and the installation groove 7 and the planar washer body 4 are mutually embedded, and the installation groove 7 is arranged in bilateral symmetry with respect to the horizontal center line of the planar washer body 4, so that the spring washer 702 and the planar washer body 4 can be combined together by the arrangement of the installation groove 7, and thus, the installation and locking can be operated together, which is more convenient and faster.

This practical theory of operation: referring to fig. 1-5 of the specification, first, the inner ring 402 of the planar washer body 4 is aligned with the shaft core 1, and the planar washer body 4 is fitted over the outer side of the shaft core 1 through the inner ring 402, and then the workpiece 2 and the hexagon nut 3 are sequentially mounted on the shaft core 1 in the mounting order.

Referring to the attached drawings 1-5 of the specification, the hexagonal nut 3 is locked by utilizing the threaded connection relationship between the hexagonal nut 3 and the shaft core 1, the planar washer body 4 is continuously pressed, the spring washer 702 is pressed to be arranged in the groove 7, a relative force is formed between the spring washer 702 and the hexagonal nut 3 due to the elasticity of the spring washer 702, so that the attaching degree between the hexagonal nut 3 and the planar washer body 4 is higher, and the integral planar washer body 4 can be arranged on the shaft shoulder of the bearing 5 due to the arrangement of the T-shaped bottom bracket 401, so that the pre-tightening force of the planar washer body 4 and the hexagonal nut 3 acts on the shaft shoulder.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. A novel planar gasket, comprising a shaft core (1), characterized in that: hexagonal nut (3) have been cup jointed in the outside activity of axle core (1), and the outside of hexagonal nut (3) installs and lock work piece (2) in advance, planar packing ring body (4) have been cup jointed in the bottom activity of hexagonal nut (3), bearing (5) have been cup jointed to the well waist line outside of axle core (1), and the bottom of axle core (1) is provided with C type retaining ring (6), resettlement groove (7) have all been seted up to the surface left and right sides of planar packing ring body (4).

2. The novel planar gasket as set forth in claim 1, wherein: the vertical central axis of the hexagonal nut (3) and the vertical central axis of the shaft core (1) coincide with each other, and the hexagonal nut (3), the shaft core (1) and the planar gasket body (4) are all located on the same axis.

3. The novel planar gasket as set forth in claim 1, wherein: the bottom of the planar gasket body (4) comprises a T-shaped bottom support (401), an inner ring (402), a back-cutting groove (403), a clamping groove (404) and an anti-skid rubber ring (405), the inner ring (402) penetrates through the central axis of the planar gasket body (4), the back-cutting groove (403) is formed in the inner wall of the T-shaped bottom support (401), the clamping groove (404) is formed in the top surface of the back-cutting groove (403), and the anti-skid rubber ring (405) is filled in the clamping groove (404).

4. The novel planar gasket as set forth in claim 3, wherein: the T-shaped bottom support (401) and the plane washer body (4) are of an integrated connecting structure, and the diameter size of the inner ring (402) is matched with that of the shaft core (1).

5. The novel planar gasket as set forth in claim 3, wherein: the size of the undercut groove (403) is matched with the diameter of the outer diameter of the shaft shoulder of the bearing (5), and the bottom surface of the T-shaped bottom support (401) is attached to the shaft shoulder of the bearing (5).

6. The novel planar gasket as set forth in claim 1, wherein: the inside of arrangement groove (7) is including connecting groove (701), spring washer (702), chute line (703) and metal shrapnel (704), and the inside gomphosis of connecting groove (701) installs metal shrapnel (704), one side welding of metal shrapnel (704) has spring washer (702), and the surface of spring washer (702) has evenly seted up oblique flute groove (703).

7. The novel planar gasket as set forth in claim 6, wherein: the spring washer (702) is matched with the arrangement groove (7) in structural size, and the spring washer (702) is connected with the connection groove (701) through the metal elastic sheet (704).

8. The novel planar gasket as set forth in claim 6, wherein: the oblique grooves (703) are uniformly distributed on the surface of the spring washer (702), and the length of each group of oblique grooves (703) is consistent with the width of the surface of the spring washer (702).

9. The novel planar gasket as set forth in claim 6, wherein: the outer shape of the placing groove (7) is arc-shaped, and the placing groove (7) and the plane gasket body (4) are mutually embedded.