CN217977279U

CN217977279U - Front shell assembly of transmission

Info

Publication number: CN217977279U
Application number: CN202221531884.XU
Authority: CN
Inventors: 舒荣辉
Original assignee: Xiangshan Shengda Mold Casting Co ltd
Current assignee: Xiangshan Shengda Mold Casting Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-12-06
Anticipated expiration: 2032-06-17

Abstract

The application discloses a front shell assembly of a transmission, which belongs to the technical field of sealed shells and is used for solving the problems that the sealing structure of the front shell of the existing transmission is imperfect and a sealing ring can increase the gap between a front shell and a rear shell; the back of the front shell body is fixedly connected with a supporting frame through the rear plate group. This practicality is through seting up the step mouth at preceding shell body port, and the step mouth is close to the inboard of casing for hold sealed the pad, sealed the inboard that fills up and be close to the casing, easily produce the aversion, can restrict sealed position of filling up through the restriction piece that sets up, when casing installation around guaranteeing, sealed pad is in correct position, plays better sealed effect.

Description

Front shell assembly of transmission

Technical Field

The application relates to the technical field of seal housing, in particular to a transmission front housing assembly.

Background

The automobile speed variator is the core element in the automobile, and mainly utilizes the shifting fork to drive the gear to slide axially, and switches the transmission between different gear sets, and realizes the purpose of adjusting the output rotating speed.

The prior transmission front shell assembly has the following defects: for example, the casing seal structure is imperfect, the sealing ring can increase the gap between the front casing and the rear casing, and the front casing of the large-opening transmission makes the position of the sealing ring difficult to fix, and the sealing ring is easy to shift in the installation process.

Disclosure of Invention

The utility model provides a solve current derailleur procapsid seal structure imperfection, the sealing washer can increase the clearance between preceding shell and the backshell, and the big opening derailleur procapsid makes the sealing washer position hardly fixed moreover, makes the problem that the sealing washer shifted in the installation easily.

In order to achieve the above purposes, the technical scheme adopted by the application is as follows: a front shell assembly of a transmission comprises a front shell body, wherein the top of the front shell body is a machining plane, a step opening is formed in the machining plane and close to the inner side of the front shell body, a limiting piece is fixedly connected to the inner side wall of the front shell body and located on the inner side of the step opening, and a sealing gasket is arranged on the inner side of the step opening;

the back of preceding shell body passes through back plate group fixedly connected with support frame, the bottom of support frame just is located the below fixedly connected with mounting panel of preceding shell body, be provided with support piece between mounting panel and the preceding shell body.

Preferably, a plurality of bolt connecting pieces are arranged on the side face of the front shell body, and annular parts are arranged at the positions, located at the end parts of the bolt connecting pieces, of the sealing gaskets.

As another preferred mode, the back surface of the front shell body is provided with a step, and a plurality of groups of reinforcing pieces are arranged on the inner side of the step.

Further preferably, the upper surface of mounting panel is provided with the step board, the mounting hole has been seted up to the upper surface of step board.

Further preferably, the wall thickness of the front shell body is 12-25mm.

Preferably, the rear plate group and the front shell body are integrally cast, and the support frame is fixedly connected with the rear plate group through bolts.

Compared with the prior art, the beneficial effect of this application lies in:

(1) The port of the front shell body is provided with the step opening, the step opening is close to the inner side of the shell and used for accommodating the sealing gasket, the sealing gasket is close to the inner side of the shell and is easy to displace, the position of the sealing gasket can be limited through the limiting part, and the sealing gasket is in a correct position when the front shell body and the rear shell body are installed, so that a good sealing effect is achieved;

(2) Through setting up the support frame structure, its one end passes through back plate group fixed connection at the back of casing, and the bottom is provided with the mounting panel that is used for the installation fixed to set up the support piece that is used for main support between mounting panel and preceding shell body, and stable in structure, this casing of installation that can be stable.

Drawings

FIG. 1 is a perspective view of the front transmission housing assembly;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is another perspective view of the front transmission housing assembly;

FIG. 4 is a front elevational view of the transmission front housing assembly;

fig. 5 is a right side view of the front housing assembly of the transmission.

In the figure: 1. a front housing body; 2. a gasket; 3. a step opening; 4. an annular portion; 5. a limiting member; 6. a bolt connection; 7. a reinforcement; 8. a rear plate group; 9. a support frame; 10. mounting a plate; 11. mounting holes; 12. a support member.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The front shell assembly of the transmission as shown in fig. 1-5 comprises a front shell body 1, wherein the front shell body 1 is a cast part, the wall thickness of the front shell body 1 is 12-25mm, the top of the front shell body 1 is a machining plane, the machining precision is higher, machining processing is required for matching positions, a structure for mounting gears and rotating shafts is arranged at the inner bottom of the front shell body 1, the structures in the transmissions are different, and the technology mainly discloses port positions, so the structure is not repeated in the application, a step opening 3 is formed in the machining plane and close to the inner side of the front shell body 1, limiting parts 5 are fixedly connected to the inner side wall of the front shell body 1, the limiting parts 5 are provided with a plurality of limiting parts, the limiting parts are arranged at arc-shaped bending positions specifically according to the shapes of the ports of the front shell body 1, the limiting parts 5 are positioned at the inner sides of the step openings 3, sealing gaskets 2 are arranged at the inner sides of the step openings 3, the limiting parts 5 can limit the sealing gaskets 2 to slide towards the inner sides when the front shell body and the rear shell body are mounted, so that the positions of the sealing gaskets 2 can be limited;

preceding shell body 1's the back through 8 fixedly connected with support frames 9 of back plate group, the bottom of support frame 9 just is located the below fixedly connected with mounting panel 10 of shell body 1 before, and mounting panel 10 is used for this casing to fix on other devices, is provided with support piece 12 between mounting panel 10 and the preceding shell body 1, and support piece 12 plays main supporting role to preceding shell body 1.

The side of preceding shell body 1 is provided with a plurality of bolted connection 6, and the position that sealed pad 2 lies in bolted connection 6 tip is provided with annular portion 4, and annular portion 4 is coaxial with bolted connection 6, and when the bolt was installed, also further restricted the position of sealed pad 2.

The back of preceding shell body 1 has step department, and the inboard of step department is provided with a plurality of groups reinforcing member 7, and the holistic structural strength of shell body 1 before group reinforcing member 7 can increase.

The upper surface of mounting panel 10 is provided with the step board, and mounting hole 11 has been seted up to the upper surface of step board, is convenient for adopt screw or bolt to fix this casing.

The rear plate group 8 and the front shell body 1 are integrally cast, the supporting frame 9 and the rear plate group 8 are fixedly connected through bolts, the strength of the front shell body 1 at the position of the rear plate group 8 is higher, and the supporting frame 9 is most suitable for being connected.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. The utility model provides a derailleur procapsid assembly, includes preceding shell body, preceding shell body's top is machining plane, its characterized in that: a stepped opening is formed in the machining plane and close to the inner side of the front shell body, a limiting piece is fixedly connected to the inner side wall of the front shell body and located on the inner side of the stepped opening, and a sealing gasket is arranged on the inner side of the stepped opening;

the back of preceding shell body passes through rear panel group fixedly connected with support frame, the bottom of support frame just is located the below fixedly connected with mounting panel of preceding shell body, be provided with support piece between mounting panel and the preceding shell body.

2. A transmission front housing assembly as recited in claim 1, wherein: the side of preceding shell body is provided with a plurality of bolted connection spare, the sealed position that is located bolted connection spare tip of filling up is provided with annular portion.

3. A transmission front housing assembly as recited in claim 1, wherein: the back of the front shell body is provided with a step, and a plurality of groups of reinforcing parts are arranged on the inner side of the step.

4. A transmission front housing assembly as recited in claim 1, wherein: the upper surface of mounting panel is provided with the step board, the mounting hole has been seted up to the upper surface of step board.

5. A transmission front housing assembly as recited in claim 1, wherein: the wall thickness of the front shell body is 12-25mm.

6. A transmission front housing assembly as recited in claim 1, wherein: the rear plate group and the front shell body are integrally cast, and the support frame is fixedly connected with the rear plate group through bolts.