CN213393439U

CN213393439U - Gearbox casing inner shell with ceramic coating

Info

Publication number: CN213393439U
Application number: CN202020964968.7U
Authority: CN
Inventors: 柴玉涛
Original assignee: Zhejiang Hydrogen Valley Intelligent Equipment Technology Co ltd
Current assignee: Zhejiang Hydrogen Valley Intelligent Equipment Technology Co ltd
Priority date: 2020-05-30
Filing date: 2020-05-30
Publication date: 2021-06-08
Anticipated expiration: 2030-05-30

Abstract

The utility model provides a gearbox box inner shell with ceramic coating belongs to derailleur accessory technical field. It includes the shell body, the shell body in detachable be equipped with the wear-resisting inner shell subassembly of anticorrosion, shell body and inner shell subassembly pass through hidden fastener fixed, shell body and inner shell subassembly between have the clearance, shell body bottom be equipped with the support piece that is used for supporting the inner shell subassembly, shell body and inner shell subassembly between circumference be equipped with a plurality of locating parts. Set up the inner shell subassembly in the shell body and can separate gearbox oil and shell body, and the inner shell subassembly has the wear-resisting effect of anticorrosion, can the gearbox oil that significantly reduces to the corruption of inner shell subassembly and shell body to and the wearing and tearing that the piece that the wearing and tearing of spare part produced in the gearbox caused inner shell subassembly and gearbox inner wall, thereby reduce the influence of corrosive substance to drive mechanism, increase the life-span of gearbox.

Description

Gearbox casing inner shell with ceramic coating

Technical Field

The utility model belongs to the technical field of the derailleur accessory, a gearbox box inner shell with ceramic coating is related to.

Background

The manual gearbox mainly comprises gears and shafts, and the speed change and torque change are generated by combining different gears; the automatic gearbox AT consists of a hydraulic torque converter, a planetary gear, a hydraulic pitch-changing system and a hydraulic control system. The speed change and torque change are achieved in a mode of combining hydraulic transmission and gears;

the gearbox body is a shell structure used for installing a transmission mechanism of the transmission and accessories of the transmission mechanism; the gearbox oil inner wall that contacts for a long time in the gearbox box can be corroded, and the piece that the wearing and tearing of spare part produced in the gearbox can cause wearing and tearing to the gearbox inner wall to make the reduction of gearbox life-span.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide a gearbox casing inner shell with ceramic coating.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a gearbox casing inner shell with ceramic coating, includes the shell body, the shell body in detachable be equipped with the wear-resisting inner shell subassembly of anticorrosion, shell body and inner shell subassembly fixed through hidden fastener, shell body and inner shell subassembly between have the clearance, shell body bottom be equipped with the support piece that is used for supporting the inner shell subassembly, shell body and inner shell subassembly between circumference be equipped with a plurality of locating parts.

In the gearbox casing inner shell with the ceramic coating, the inner shell assembly comprises an inner shell, and the ceramic coating is arranged on the inner side and the outer side of the inner shell.

In foretell gearbox casing inner shell that has ceramic coating, hidden fastener include along circumference set up on the inner casing or set up at the inner casing bottom a plurality of bolt grooves, the bolt inslot be equipped with the bolt that runs through the inner casing and with the shell body spiro union, bolt afterbody height be less than the degree of depth in bolt groove and the diameter of bolt afterbody be less than the internal diameter in bolt groove.

In the gearbox casing inner shell with the ceramic coating, a spring washer is arranged between the bottom of the bolt groove and the tail of the bolt.

In the gearbox body inner shell with the ceramic coating, the spring washer is further sleeved with a sealing ring, and the sealing ring is fixed to the bottom of the bolt groove.

In foretell gearbox inner shell that has ceramic coating, the locating part include the spacing spout that sets up along outer shells inner wall circumference, the vertical setting of spacing spout and top be equipped with the opening, interior casing lateral wall on be equipped with a plurality of and spacing spout one-to-one spacing slider, spacing slider insert in the spacing spout and be connected with spacing spout sliding fit.

In foretell gearbox inner shell that has ceramic coating, the locating part include the spacing spout that sets up along interior casing outer wall circumference, the vertical setting of spacing spout and bottom be equipped with the opening, the shell body inside wall on be equipped with a plurality of and spacing spout one-to-one spacing slider, spacing slider insert in the spacing spout and be connected with spacing spout sliding fit.

In the gearbox body inner shell with the ceramic coating, the supporting piece comprises a plurality of longitudinal supporting blocks and a plurality of transverse supporting blocks which are arranged on the outer shell or the inner shell, the longitudinal supporting blocks and the transverse supporting blocks are uniformly arranged at intervals, and the sections of the longitudinal supporting blocks and the transverse supporting blocks are rectangular and arranged at the same height.

In the gearbox housing inner shell with the ceramic coating, the inner wall of the outer shell is also provided with the ceramic coating.

Compared with the prior art, the utility model has the advantages of:

1. set up the inner shell subassembly in the shell body and can separate gearbox oil and shell body, and the inner shell subassembly has the wear-resisting effect of anticorrosion, can the gearbox oil that significantly reduces to the corruption of inner shell subassembly and shell body to and the wearing and tearing that the piece that the wearing and tearing of spare part produced in the gearbox caused inner shell subassembly and gearbox inner wall, thereby reduce the influence of corrosive substance to drive mechanism, increase the life-span of gearbox.

2. The inner shell assembly can be disassembled and arranged to be convenient to clean, maintain and replace, the gap can reduce heat transfer, the hidden fastener can fix the inner shell assembly in the outer shell, and the transmission mechanism in the gearbox can not be influenced.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic diagram of the overall structure provided by the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is an enlarged schematic view at a in fig. 2.

In the figure, an outer shell 1, an inner shell component 2, a hidden fastener 3, a gap 4, a support 5, a limiting part 6, an inner shell 7, a ceramic coating 8, a bolt groove 9, a bolt 10, a spring washer 11, a sealing ring 12, a limiting sliding groove 13, a limiting slider 14, a longitudinal supporting block 15 and a transverse supporting block 16.

Detailed Description

Example one

As shown in fig. 1-3, a gearbox casing inner shell with ceramic coating, includes outer shell 1, outer shell 1 in detachable be equipped with anticorrosive wear-resisting inner shell subassembly 2, outer shell 1 and inner shell subassembly 2 fixed through hidden fastener 3, outer shell 1 and inner shell subassembly 2 between have a clearance 4, outer shell 1 bottom be equipped with the support piece 5 that is used for supporting inner shell subassembly 2, outer shell 1 and inner shell subassembly 2 between circumference be equipped with a plurality of locating parts 6.

In this embodiment, drive mechanism in the gearbox sets up in the inner shell subassembly, set up inner shell subassembly 2 in the shell body 1 and can separate gearbox oil and shell body 1, and inner shell subassembly 2 has the wear-resisting effect of anticorrosion, can the gearbox oil that significantly reduces to the corruption of inner shell subassembly 2 and shell body 1 to and the piece that the wearing and tearing of spare part produced in the gearbox is to the wearing and tearing that inner shell subassembly 2 and gearbox inner wall caused, thereby reduce the influence of corrosive substance to drive mechanism, increase the life-span of gearbox.

Secondly, inner shell subassembly 2 can be dismantled and set up and conveniently wash and maintain the change, and clearance 4 can reduce thermal transmission, and hidden fastener 3 can fix the inner shell subassembly in outer shell body 1, and can not influence the drive mechanism work in the gearbox.

Specifically, referring to fig. 1-3, the inner shell assembly 2 includes an inner shell 7, and the inner and outer sides of the inner shell 7 are provided with ceramic coatings 8. The ceramic coating 8 can enhance the surface performance of the inner shell 7, inhibit corrosion caused by long-time contact of the inner shell 7 with transmission oil, and inhibit abrasion of the inner shell caused by fragments generated by abrasion of parts in the transmission, thereby reducing the influence of corrosive on a transmission mechanism and prolonging the service life of the transmission.

Specifically, as shown in fig. 1-3, the hidden fastener 3 includes a plurality of bolt slots 9 circumferentially disposed on the inner casing 7 or at the bottom of the inner casing 7, wherein bolts 10 penetrating the inner casing 7 and screwed with the outer casing 1 are disposed in the bolt slots 9, the height of the tail portions of the bolts 10 is smaller than the depth of the bolt slots 9, and the diameter of the tail portions of the bolts 10 is smaller than the inner diameter of the bolt slots 9, so that the tail portions of the bolts 10 can be inserted into the bolt slots 9. The detachable connection through the bolt can facilitate the detachment of the inner shell 7.

Preferably, a spring washer 11 is arranged between the bottom of the bolt groove 9 and the tail part of the bolt 10. The spring washer 11 can prevent the bolt from loosening.

Preferably, the spring washer 11 is further sleeved with a sealing ring 12, and the sealing ring is fixed at the bottom of the bolt groove 9. The seal ring 12 prevents transmission oil in the inner case 7 from penetrating into the outer case 1 to cause corrosion of the inner wall of the outer case 1.

Specifically, as shown in fig. 1 and fig. 2, the limiting member 6 includes a limiting sliding groove 13 circumferentially disposed along an inner wall of the outer casing 1, the limiting sliding groove 13 is vertically disposed, an opening is disposed at a top of the limiting sliding groove 13, a plurality of limiting sliding blocks 14 corresponding to the limiting sliding grooves 13 one to one are disposed on an outer side wall of the inner casing 7, and the limiting sliding blocks 14 are inserted into the limiting sliding grooves 13 and are connected with the limiting sliding grooves 13 in a sliding fit manner. The limiting sliding groove 13 and the limiting sliding block 14 are matched to limit the inner shell 7 during installation, so that the inner shell can be accurately installed to a set position.

Example two

The structure and the working principle of the second embodiment are basically the same as those of the first embodiment, and the difference is that:

in this embodiment, the limiting member 6 includes the limiting sliding groove 13 that sets up along inner casing 7 outer wall circumference, the vertical setting of limiting sliding groove 13 and bottom be equipped with the opening, outer casing 1 inside wall on be equipped with a plurality of and limiting sliding groove 13 one-to-one's limiting slide 14, limiting slide 14 insert in limiting sliding groove 13 and be connected with limiting sliding groove 13 sliding fit. The limiting sliding groove 13 and the limiting sliding block 14 are matched to limit the inner shell 7 during installation, so that the inner shell can be accurately installed to a set position.

Preferably, as shown in fig. 1 and 2, the supporting member 5 includes a plurality of longitudinal supporting blocks 15 and a plurality of transverse supporting blocks 16 disposed on the outer shell 1 or the inner shell 7, the longitudinal supporting blocks 15 and the transverse supporting blocks 16 are uniformly spaced, and the sections of the longitudinal supporting blocks 15 and the transverse supporting blocks 16 are both rectangular and are arranged at the same height. The longitudinal supporting blocks 15 and the transverse supporting blocks 16 can assist the limiting chutes 13 and the limiting sliders 14 to support, so that the gap 4 is formed between the bottom of the outer shell 1 and the bottom of the inner shell 7, and the longitudinal supporting blocks 15 and the transverse supporting blocks 16 can also enhance the strength of the bottom of the outer shell 1 or the inner shell 7.

Preferably, as shown in fig. 2, the inner wall of the outer casing 1 is further provided with a ceramic coating 8 to prevent transmission oil in the inner casing 7 from penetrating into the outer casing 1 to corrode the inner wall of the outer casing 1.

The utility model discloses a theory of operation is: the transmission mechanism in the gearbox is arranged in the inner shell assembly, the inner shell assembly 2 arranged in the outer shell 1 can separate the gearbox oil from the outer shell 1, and the inner shell assembly 2 has the functions of corrosion resistance and wear resistance, so that the corrosion of the gearbox oil to the inner shell assembly 2 and the outer shell 1 can be greatly reduced, and the abrasion of debris generated by the abrasion of parts in the gearbox to the inner shell assembly 2 and the inner wall of the gearbox is reduced, thereby reducing the influence of corrosive on the transmission mechanism and prolonging the service life of the gearbox; the inner shell assembly 2 can be detachably arranged, cleaning, maintenance and replacement can be conveniently carried out, the gap 4 can reduce heat transfer, the hidden fastener 3 can fix the inner shell assembly in the outer shell 1, the work of a transmission mechanism in the gearbox cannot be influenced, the ceramic coating 8 can enhance the surface performance of the inner shell 7, corrosion caused by long-time contact of the inner shell 7 with gearbox oil and abrasion of the inner shell caused by debris generated by abrasion of parts in the gearbox are inhibited, so that the influence of corrosive on the transmission mechanism is reduced, and the service life of the gearbox is prolonged; the height of the tail of the bolt 10 is smaller than the depth of the bolt groove 9, and the diameter of the tail of the bolt 10 is smaller than the inner diameter of the bolt groove 9, so that the tail of the bolt 10 can be embedded into the bolt groove 9. Can dismantle the connection through the bolt and can make things convenient for interior casing 7 to dismantle, spring washer 11 can prevent that the bolt is not hard up, thereby sealing washer 12 can prevent that the gearbox oil in the interior casing 7 from permeating to leading to outer casing 1 inner wall to be corroded in the outer casing 1, spacing spout 13 and spacing slider 14 cooperation can carry on spacingly when installing interior casing 7, make the interior casing physical stamina accurately install to established position, vertical supporting shoe 15 and horizontal supporting shoe 16 can assist spacing spout 13 and spacing slider 14 to support, make outer casing 1 bottom and interior casing 7 bottom have clearance 4, the intensity of outer casing 1 or interior casing 7 bottom can also be strengthened to vertical supporting shoe 15 and horizontal supporting shoe 16.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of outer housing 1, inner housing assembly 2, concealed fasteners 3, gap 4, support 5, stop 6, inner housing 7, ceramic coating 8, bolt slot 9, bolt 10, spring washer 11, seal ring 12, stop runner 13, stop slider 14, longitudinal support block 15, transverse support block 16, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. The utility model provides a gearbox casing inner shell with ceramic coating, includes outer shell (1), its characterized in that, outer shell (1) in detachable be equipped with anticorrosive wear-resisting inner shell subassembly (2), outer shell (1) and inner shell subassembly (2) fixed through hidden fastener (3), outer shell (1) and inner shell subassembly (2) between have clearance (4), outer shell (1) bottom be equipped with support piece (5) that are used for supporting inner shell subassembly (2), outer shell (1) and inner shell subassembly (2) between circumference be equipped with a plurality of locating parts (6).

2. An inner shell of a transmission housing with a ceramic coating according to claim 1, characterised in that said inner shell assembly (2) comprises an inner shell (7), said inner shell (7) being provided with a ceramic coating (8) on both the inside and the outside.

3. The gearbox casing inner shell with the ceramic coating according to claim 2, characterized in that the concealed fastener (3) comprises a plurality of bolt grooves (9) which are circumferentially arranged on the inner shell (7) or at the bottom of the inner shell (7), bolts (10) which penetrate through the inner shell (7) and are in threaded connection with the outer shell (1) are arranged in the bolt grooves (9), the height of the tail parts of the bolts (10) is smaller than the depth of the bolt grooves (9), and the diameter of the tail parts of the bolts (10) is smaller than the inner diameter of the bolt grooves (9).

4. An inner shell of a gearbox casing with a ceramic coating according to claim 3, characterised in that a spring washer (11) is arranged between the bottom of the bolt slot (9) and the tail of the bolt (10).

5. An inner shell of a gearbox casing with a ceramic coating according to claim 4, characterised in that a sealing ring (12) is further sleeved on the spring washer (11) and fixed at the bottom of the bolt groove (9).

6. The gearbox casing inner shell with the ceramic coating according to any one of claims 2-5, wherein the limiting member (6) comprises a limiting sliding groove (13) circumferentially arranged along the inner wall of the outer shell (1), the limiting sliding groove (13) is vertically arranged, an opening is formed in the top of the limiting sliding groove, a plurality of limiting sliding blocks (14) corresponding to the limiting sliding grooves (13) in a one-to-one mode are arranged on the outer side wall of the inner shell (7), and the limiting sliding blocks (14) are inserted into the limiting sliding groove (13) and are connected with the limiting sliding grooves (13) in a sliding fit mode.

7. The gearbox casing inner shell with the ceramic coating according to any one of claims 2-5, characterized in that the limiting member (6) comprises a limiting sliding groove (13) circumferentially arranged along the outer wall of the inner shell (7), the limiting sliding groove (13) is vertically arranged, an opening is formed in the bottom of the limiting sliding groove, a plurality of limiting sliding blocks (14) corresponding to the limiting sliding grooves (13) in a one-to-one manner are arranged on the inner side wall of the outer shell (1), and the limiting sliding blocks (14) are inserted into the limiting sliding groove (13) and are connected with the limiting sliding grooves (13) in a sliding fit manner.

8. The gearbox casing inner shell with the ceramic coating according to any one of claims 2-5, characterized in that the support member (5) comprises a plurality of longitudinal support blocks (15) and a plurality of transverse support blocks (16) arranged on the outer shell (1) or the inner shell (7), the longitudinal support blocks (15) and the transverse support blocks (16) are uniformly arranged at intervals, and the sections of the longitudinal support blocks (15) and the transverse support blocks (16) are both rectangular and arranged at the same height.

9. An inner casing of a gearbox housing with a ceramic coating according to any of the claims 1-5, characterised in that the inner wall of the outer casing (1) is provided with a ceramic coating (8).