Compact gear shifting booster shell structure

Abstract

The utility model relates to the technical field of booster shells, in particular to a compact type gear shifting booster shell structure which comprises a shell and further comprises a positioning portion, an air cylinder body, a first movable valve hole and a second movable valve hole, the positioning portion is located above the shell, a first valve element hole and a second valve element hole are formed in the shell, and the first movable valve hole and the second movable valve hole are communicated through the air cylinder body. The first valve element hole and the second valve element hole are communicated with a first movable valve hole and a second movable valve hole respectively, the first valve element hole and the second valve element hole are used for installation of the valve element assembly, the first movable valve hole and the second movable valve hole are used for installation of the movable valve, and the air cylinder body is arranged on the lower left portion or the lower right portion of the shell. The combination of the first valve element hole and the first movable valve hole and the combination of the second valve element hole and the second movable valve hole are symmetrically arranged on the left side and the right side of the opening device installation through hole, valve elements can be triggered in the front-back direction of gear shifting, and the opening device can be compact in size. And the positioning groove or the positioning hole is integrated on the shell, so that the gear sense is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of booster housings, in particular to a compact gear shift booster housing structure. Background Art

[0002] The shift booster is an important component in the manual transmission system of an automobile. Its main function is to reduce the operating force of the driver when shifting gears, making the shifting process smoother and easier. The existing shift booster housing structure usually includes multiple components, such as a housing, a cylinder, a valve core, a positioning device, etc. These components work together to achieve the shift assist function. The existing shift booster housing is often designed to be more complicated and contains multiple unnecessary components, which not only increases the manufacturing cost, but also makes the overall size of the housing larger, which is not conducive to the lightweight design of the vehicle. At the same time, due to the complex structure, the existing shift booster housing occupies a large volume within the limited space of the transmission, resulting in low space utilization and limiting the design and layout of other components of the transmission. For this reason, the utility model proposes a compact shift booster housing structure to solve the above problems. Utility Model Content

[0003] The purpose of the present utility model is to provide a compact gear shift booster housing structure to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a compact shift booster housing structure, including a housing, and also including a positioning portion, a cylinder body, a first movable valve hole and a second movable valve hole. The positioning portion is located above the housing, and a valve core hole 1 and a valve core hole 2 are provided on the housing. The valve core hole 1 and the valve core hole 2 are respectively connected to the first movable valve hole and the second movable valve hole. The valve core hole 1 and the valve core hole 2 are used for the installation of the valve core assembly, and the first movable valve hole and the second movable valve hole are used for the installation of the movable valve. The cylinder body is arranged at the lower left or lower right of the housing for installing the piston.

[0005] Preferably, the positioning portion is configured as a positioning groove, and the positioning groove is used to position a steel ball or a positioning pin.

[0006] Preferably, the positioning portion is configured as a positioning hole, and the positioning hole is used to insert a positioning pin or a spring-steel ball combination.

[0007] Preferably, a mounting through hole is provided in the middle of the shell, and the mounting through hole is used to install an opening device of the booster, and an exhaust hole is provided below the shell.

[0008] Preferably, the shell is provided with a first mounting hole, a second mounting hole, a third mounting hole and a fourth mounting hole.

[0009] Preferably, the valve core hole 1 is connected to the first movable valve hole and has the same center axis position, and the aperture of the valve core hole 1 is larger than the aperture of the first movable valve hole. The valve core hole 2 is connected to the second movable valve hole and has the same center axis position, and the aperture of the valve core hole 2 is larger than the aperture of the second movable valve hole.

[0010] Preferably, the mounting through hole is located in the middle of the first movable valve hole and the second movable valve hole, and the axial direction of the mounting through hole is perpendicular to the axial direction of the first movable valve hole and the second movable valve hole.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] Through the combination of valve core hole 1 plus the first movable valve hole and the combination of valve core hole 2 plus the second movable valve hole, which are symmetrically arranged on the left and right sides of the opening device installation hole, the valve core can be touched in the forward and backward directions of shifting, and the opening device can be made compact; the positioning groove or positioning hole is integrated on the shell, which helps to enhance the gear feel. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of Example 1 of the present utility model.

[0014] Figure 2 This is a schematic structural diagram of the second viewing angle of embodiment 1 of the present invention.

[0015] Figure 3 This is a schematic diagram of the overall structure of Example 2 of the present utility model.

[0016] Figure 4 This is a structural schematic diagram of the second viewing angle of embodiment 2 of the present utility model.

[0017] Figure 5 This is a schematic structural diagram of the third viewing angle of the first embodiment of the present invention.

[0018] Figure 6 This is a schematic structural diagram of the third viewing angle of embodiment 2 of the present utility model.

[0019] In the figure: 1. Positioning groove; 2. Mounting through hole; 3. Valve core hole 1; 4. Valve core hole 2; 5. Cylinder body; 6. Exhaust hole; 7. First mounting hole; 8. Second mounting hole; 9. Third mounting hole; 10. Fourth mounting hole; 11. Positioning hole; 12. First movable valve hole; 13. Second movable valve hole. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0021] Embodiment one:

[0022] Please refer to Figure 1 , Figure 2 and Figure 5 , the compact gear shifter booster shell structure comprises a shell, further comprising a positioning part, a cylinder body 5, a first movable valve hole 12 and a second movable valve hole 13, the positioning part is located above the shell, the shell is provided with a valve core hole one 3 and a valve core hole two 4, the valve core hole one 3 and the valve core hole two 4 are respectively provided with the first movable valve hole 12 and the second movable valve hole 13, the valve core hole one 3 and the valve core hole two 4 are used for the installation of the valve core assembly, the first movable valve hole 12 and the second movable valve hole 13 are used for the installation of the movable valve, the cylinder body 5 is arranged below the left or right of the shell, and is used for installing a piston.

[0023] The positioning part is a positioning groove 1, the positioning groove 1 is used for positioning a steel ball or a positioning pin, when the gear position is in the neutral position, the steel ball or the positioning pin is stably stayed in the positioning groove 1.

[0024] The shell is provided with a mounting through hole 2 in the middle, the mounting through hole 2 is used for installing the opening device of the booster, the shell is provided with an exhaust hole 6 below, which is convenient for gas or water to be discharged, the shell is provided with a first mounting hole 7, a second mounting hole 8, a third mounting hole 9 and a fourth mounting hole 10, which are used for conveniently connecting the booster to the gearbox.

[0025] The valve core hole one 3 and the first movable valve hole 12 are in communication and have the same center axis position, and the hole diameter of the valve core hole one 3 is greater than that of the first movable valve hole 12, the valve core hole two 4 and the second movable valve hole 13 are in communication and have the same center axis position, and the hole diameter of the valve core hole two 4 is greater than that of the second movable valve hole 13, the mounting through hole 2 is located at the intermediate position of the first movable valve hole 12 and the second movable valve hole 13, and the axial direction of the mounting through hole 2 is perpendicular to the axial direction of the first movable valve hole 12 and the second movable valve hole 13.

[0026] Embodiment two:

[0027] Please refer to Figure 3 , Figure 4 and Figure 6The compact shift booster housing structure includes a housing, a positioning portion, a cylinder body 5, a first movable valve hole 12 and a second movable valve hole 13. The positioning portion is located above the housing. A valve core hole 1 3 and a valve core hole 2 4 are provided on the housing. The valve core hole 1 3 and the valve core hole 2 4 are respectively connected to the first movable valve hole 12 and the second movable valve hole 13. The valve core hole 1 3 and the valve core hole 2 4 are used for installing the valve core assembly. The first movable valve hole 12 and the second movable valve hole 13 are used for installing the movable valve. The cylinder body 5 is provided at the lower left or lower right of the housing for installing the piston.

[0028] The positioning portion is a positioning hole 11, which is used to insert a positioning pin or a spring steel ball combination.

[0029] A mounting through hole 2 is provided in the middle of the shell, which is used to install the opening device of the booster. An exhaust hole 6 is provided at the bottom of the shell to facilitate the discharge of gas or water. A first mounting hole 7, a second mounting hole 8, a third mounting hole 9 and a fourth mounting hole 10 are provided on the shell to facilitate the connection of the booster to the gearbox.

[0030] The valve core hole 13 is connected to the first movable valve hole 12 and has the same central axis position, and the aperture of the valve core hole 13 is larger than the aperture of the first movable valve hole 12. The valve core hole 24 is connected to the second movable valve hole 13 and has the same central axis position, and the aperture of the valve core hole 24 is larger than the aperture of the second movable valve hole 13. The mounting through hole 2 is located in the middle position between the first movable valve hole 12 and the second movable valve hole 13, and the axial direction of the mounting through hole 2 is perpendicular to the axial direction of the first movable valve hole 12 and the second movable valve hole 13.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A compact gear shift booster housing structure, including a housing, characterized in that: The invention also includes a positioning portion, a cylinder body (5), a first movable valve hole (12) and a second movable valve hole (13), wherein the positioning portion is located above the shell, and the shell is provided with a valve core hole (3) and a valve core hole (4), wherein the valve core hole (3) and the valve core hole (4) are respectively connected to the first movable valve hole (12) and the second movable valve hole (13), wherein the valve core hole (3) and the valve core hole (4) are used for installing the valve core assembly, and the first movable valve hole (12) and the second movable valve hole (13) are used for installing the movable valve, and the cylinder body (5) is provided at the lower left or lower right of the shell for installing the piston.

2. The compact gear shift booster housing structure according to claim 1, characterized in that: The positioning portion is configured as a positioning groove (1), and the positioning groove (1) is used for positioning a steel ball or a positioning pin.

3. The compact gear shift booster housing structure according to claim 1, characterized in that: The positioning portion is configured as a positioning hole (11), and the positioning hole (11) is used for inserting a positioning pin or a spring steel ball combination.

4. The compact gear shift booster housing structure according to claim 1, characterized in that: A mounting through hole (2) is provided in the middle of the shell, and the mounting through hole (2) is used to install an opening device of the booster. An exhaust hole (6) is provided below the shell, and a first mounting hole (7), a second mounting hole (8), a third mounting hole (9), and a fourth mounting hole (10) are provided on the shell.

5. The compact gear shift booster housing structure according to claim 4, characterized in that: The valve core hole 1 (3) and the first movable valve hole (12) are connected and have the same central axis position, and the aperture of the valve core hole 1 (3) is larger than the aperture of the first movable valve hole (12); the valve core hole 2 (4) and the second movable valve hole (13) are connected and have the same central axis position, and the aperture of the valve core hole 2 (4) is larger than the aperture of the second movable valve hole (13).

6. The compact gear shift booster housing structure according to claim 5, characterized in that: The mounting through hole (2) is located in the middle of the first movable valve hole (12) and the second movable valve hole (13), and the axial direction of the mounting through hole (2) is perpendicular to the axial directions of the first movable valve hole (12) and the second movable valve hole (13).

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