Automobile gearbox shaft cover convenient to install

Abstract

The utility model relates to the technical field of gearbox shaft covers, and discloses an automobile gearbox shaft cover convenient to install, which comprises a box body, an installation end, a shaft cover, an installation slot and an internal rotation clamping groove, one side of the shaft cover is provided with an internal rotation clamping piece through an installation sliding piece, one side of the internal rotation clamping piece is provided with a clamping pad, and the inner side of the internal rotation clamping groove is provided with a pressure pad. When the shaft cover is installed on the end portion of a box body, the sealing gasket on the end face of the shaft cover is firstly attached to the end face of the box body in a butt joint mode, the installation sliding piece and the internal rotation clamping piece on one side of the shaft cover are inserted into the installation inserting groove, then the shaft cover is integrally rotated, the internal rotation clamping piece is located in the internal rotation clamping groove to rotate in a matched mode, and the surface of the pressing pad is an inclined face. When the internal rotation clamping piece rotates clockwise, the clamping pad on the internal rotation clamping piece and the pressing pad are extruded tighter and tighter, and when the clamping pad moves to the horizontal surface of the pressing pad, the clamping pad and the pressing pad are limited and disassembled in a similar way, so that the box body and the shaft cover can be quickly and conveniently disassembled and used, and the effect of reducing thread damage is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of gearbox shaft covers, in particular to a gearbox shaft cover for an automobile which is easy to install. Background Art

[0002] The gearbox is one of the auto parts, which is a device for changing the speed ratio and the direction of movement, and the input shaft cover of the auto gearbox is an important part of the gearbox. After long-term use, the speed gears in the existing auto gearbox are prone to wear during the long-term running-in process, and the upper and lower end covers need to be opened for maintenance and repair. After the existing cover shells are connected, they are threadedly fixed by multiple sets of fastening bolts. When the cover shells are disassembled and assembled, the fixing bolts need to be disassembled and assembled one by one. The disassembly and assembly process is relatively cumbersome and easy to damage the threads. For this reason, we propose an easy-to-install auto gearbox shaft cover. Utility Model Content

[0003] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a gearbox shaft cover for automobiles which is easy to install.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a gearbox shaft cover for an automobile that is easy to install, comprising a housing, a mounting end and a shaft cover, the end face of the mounting end being provided with a mounting slot, the interior of the mounting end being provided with an inward-rotating groove connected to the mounting slot, an inward-rotating clamping piece being installed on one side of the shaft cover through an installation slide, a clamping pad being provided on one side of the inward-rotating clamping piece, a pressure pad being provided on the inner side of the inward-rotating groove, a sealing pad being provided on the end face of the shaft cover, and the clamping pad, the pressure pad and the sealing pad themselves all have deformation characteristics.

[0005] Preferably, after the shaft cover is engaged with the inside of the installation slot through the inward-rotating clamp on the installation slide, when the shaft cover is rotated, the inward-rotating clamp on the installation slide is located inside the inward-rotating clamp slot and rotates clockwise.

[0006] Preferably, the pressure pad is a trapezoidal structure, and the surface of the pressure pad inside the inner rotation slot is inclined in a clockwise direction and becomes higher and higher and then becomes a flat surface;

[0007] Furthermore, the clamping pad on the inward-rotating clamping piece is in an increasingly tight clamping state with the pressure pad on the inclined surface, and the clamping pad on the inward-rotating clamping piece is in a limited and fixed state when it moves to the horizontal surface of the pressure pad.

[0008] Preferably, a connecting end is integrally formed on one side of the shaft cover, an outer periphery of the connecting end is provided with an external thread, an inner side of the box body is provided with an internal thread, a thread pad is provided on the surface of the external thread, and the thread pad itself has a deformation property;

[0009] Furthermore, the periphery of the connection end is in threaded connection and engagement with the internal thread inside the box body through a thread pad on the external thread surface.

[0010] Preferably, a driving shaft is arranged inside the housing, and a shaft seal is arranged inside the shaft cover through the inner side of a movable bearing, wherein the shaft seal is an annular seal and the inner side of the shaft seal is an inclined wall surface;

[0011] Furthermore, the shaft sealing gasket itself has a deformation property, and the outer periphery of the drive shaft and the inner side of the shaft sealing gasket are in a pressed and fixed state.

[0012] Beneficial Effects

[0013] The utility model provides a gearbox shaft cover for automobiles which is easy to install and has the following beneficial effects:

[0014] 1. A gearbox shaft cover for automobiles which is easy to install. In this article, when the shaft cover is installed on the end of a housing, the sealing gasket on the end face of the shaft cover can be firstly fitted and docked with the end face of the housing, and the installation slide and the inner rotation clamp on one side of the shaft cover can be inserted into the installation slot, and then the shaft cover can be rotated as a whole, so that the inner rotation clamp on the installation slide is located inside the inner rotation slot and rotates accordingly, and the surface of the pressure pad is an inclined surface. As the inner rotation clamp rotates clockwise, the clamping pad on the inner rotation clamp will be pressed more and more tightly against the pressure pad, and the tightness between the sealing gasket and the housing and the shaft cover will also become higher and higher. When the clamping pad moves to the horizontal surface of the pressure pad, the clamping pad will limit the pressure pad again. The same is true for disassembly and assembly. The shaft cover can be rotated in the opposite direction, thereby achieving the effect of facilitating the quick and convenient disassembly and assembly of the housing and the shaft cover and reducing thread damage.

[0015] 2. A gearbox shaft cover for automobiles which is easy to install. A connecting end is installed at one end of the shaft cover. When the shaft cover and the housing are connected and rotated, the connecting end can be first threadedly connected and matched with the internal thread inside the housing through the external thread, and the threaded gasket outside the external thread can be engaged and squeezed with the external thread and the internal thread to increase the sealing effect between the housing and the connecting end. A shaft sealing gasket is arranged on the inner side of the bearing ring inside the shaft cover. When the shaft cover is sleeved with the drive shaft, the outer periphery of the drive shaft can be extruded and fitted with the shaft sealing gasket, thereby improving the sealing effect inside the housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0017] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 A magnified view of middle;

[0020] Figure 3 It is a partial schematic diagram of the installation end of the utility model;

[0021] Figure 4 It is a partial schematic diagram of the pressure pad of the utility model;

[0022] Figure 5 For this utility model Figure 1 Enlarged view of middle B;

[0023] Figure 6 It is a partial schematic diagram of the shaft sealing gasket of the utility model.

[0024] Legend:

[0025] 1. Box body; 2. Mounting end; 3. Shaft cover; 4. Mounting slot; 5. Inward-turning slot; 6. Mounting slide; 7. Inward-turning clamp; 8. Clamping pad; 9. Pressure pad; 10. Sealing pad; 11. Connecting end; 12. External thread; 13. Internal thread; 14. Threaded pad; 15. Shaft sealing pad. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Embodiment: A gearbox shaft cover for an automobile that is easy to install, such as Figure 1-Figure 6 As shown, it includes a box body 1, a mounting end 2 and a shaft cover 3;

[0028] The difference is that the end face of the mounting end 2 is provided with a mounting slot 4, the interior of the mounting end 2 is provided with an inward rotating slot 5 connected with the mounting slot 4, an inward rotating clamp 7 is installed on one side of the shaft cover 3 through a mounting slide 6, a clamping pad 8 is provided on one side of the inward rotating clamp 7, a pressure pad 9 is provided on the inner side of the inward rotating slot 5, a sealing gasket 10 is provided on the end face of the shaft cover 3, the clamping pad 8 and the pressure pad 9 as well as the sealing gasket 10 themselves have deformation characteristics, a connecting end 11 is integrally formed on one side of the shaft cover 3, an external thread 12 is provided on the periphery of the connecting end 11, an internal thread 13 is provided on the inner side of the box body 1, a threaded gasket 14 is provided on the surface of the external thread 12, the threaded gasket 14 itself has deformation characteristics, and a shaft sealing gasket 15 is provided on the inner side of the shaft cover 3 through the inner side of the movable bearing.

[0029] Furthermore, the pressure pad 9 is a trapezoidal structure, and the surface of the pressure pad 9 on the inner side of the inner rotation slot 5 is inclined higher and higher in the clockwise direction and then becomes a flat surface.

[0030] Furthermore, after the shaft cover 3 is engaged with the inside of the installation slot 4 through the inwardly rotating clamping piece 7 on the installation slide 6, when the shaft cover 3 is rotated, the inwardly rotating clamping piece 7 on the installation slide 6 is located inside the inwardly rotating clamping slot 5 and rotates clockwise.

[0031] Furthermore, the clamping pad 8 on the inner-rotating clamping member 7 is in an increasingly tight clamping state with the pressure pad 9 on the inclined surface, and the clamping pad 8 on the inner-rotating clamping member 7 is in a limited and fixed state when it moves to the horizontal surface of the pressure pad 9.

[0032] Furthermore, the outer periphery of the connection end 11 is in threaded engagement with the inner thread 13 on the inner side of the box body 1 through the thread pad 14 on the surface of the outer thread 12 .

[0033] Furthermore, the shaft sealing gasket 15 is an annular gasket body and the inner side of the shaft sealing gasket 15 is an inclined wall surface. The shaft sealing gasket 15 itself has a deformation property. A driving shaft is arranged inside the housing 1, and the outer periphery of the driving shaft is pressed and fixed with the inner side of the shaft sealing gasket 15.

[0034] The working principle of this utility model:

[0035] When the shaft cover 3 is installed on the end of the box body 1, the sealing gasket 10 on the end face of the shaft cover 3 can be firstly fitted and docked with the end face of the box body 1, and the installation slide 6 and the inward rotation clamp 7 on one side of the shaft cover 3 can be inserted into the installation slot 4, and then the shaft cover 3 can be rotated as a whole, so that the inward rotation clamp 7 on the installation slide 6 is located inside the inward rotation clamping groove 5 and rotates accordingly, and the surface of the pressure pad 9 is an inclined surface. As the inward rotation clamp 7 rotates clockwise, the clamping pad 8 on the inward rotation clamp 7 will be pressed more and more tightly against the pressure pad 9, and the tightness between the sealing gasket 10 and the box body 1 and the shaft cover 3 will also be higher and higher. When the clamping pad 8 moves to the horizontal surface of the pressure pad 9, the clamping pad 8 will be limited by the pressure pad 9, and the seal 10 and the shaft cover 3 will be sealed. The same principle applies to the installation. The shaft cover 3 can be rotated in the opposite direction, so as to facilitate the quick and convenient disassembly and assembly of the housing 1 and the shaft cover 3 and reduce the damage to the threads. When the shaft cover 3 and the housing 1 are docked and rotated, the connecting end 11 can first be threadedly connected with the internal thread 13 on the inner side of the housing 1 through the external thread 12, and the threaded gasket 14 outside the external thread 12 can be engaged and squeezed with the external thread 12 and the internal thread 13 to increase the sealing effect between the housing 1 and the connecting end 11, and a shaft sealing gasket 15 is provided on the inner side of the bearing ring inside the shaft cover 3. When it is sleeved with the drive shaft, the outer periphery of the drive shaft can be extruded and fitted with the shaft sealing gasket 15, thereby improving the sealing effect inside the housing 1.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An automobile gearbox shaft cover that is easy to install, comprising a housing (1), a mounting end (2) and a shaft cover (3), characterized in that: The end surface of the mounting end (2) is provided with a mounting slot (4), the interior of the mounting end (2) is provided with an inwardly rotating slot (5) which is connected to the mounting slot (4), one side of the shaft cover (3) is provided with an inwardly rotating clamping piece (7) via a mounting slide (6), one side of the inwardly rotating clamping piece (7) is provided with a clamping pad (8), the inner side of the inwardly rotating slot (5) is provided with a pressure pad (9), the end surface of the shaft cover (3) is provided with a sealing pad (10), and the clamping pad (8), the pressure pad (9) and the sealing pad (10) themselves all have deformation characteristics.

2. The easy-to-install automobile gearbox shaft cover according to claim 1, characterized in that: After the shaft cover (3) is engaged with the inside of the installation slot (4) through the inwardly rotating clamping piece (7) on the installation slide (6), when the shaft cover (3) is rotated, the inwardly rotating clamping piece (7) on the installation slide (6) is located inside the inwardly rotating clamping slot (5) and rotates clockwise.

3. The easy-to-install automobile gearbox shaft cover according to claim 1 is characterized in that: The pressure pad (9) is of a trapezoidal structure, and the surface of the pressure pad (9) inside the inner rotation slot (5) is in a state of increasing inclination in the clockwise direction and then becomes a plane.

4. The easy-to-install automobile gearbox shaft cover according to claim 3 is characterized in that: The clamping pad (8) on the inwardly rotating clamping piece (7) is in an increasingly tightly clamped state with the pressure pad (9) on the inclined surface. When the clamping pad (8) on the inwardly rotating clamping piece (7) moves to the horizontal surface of the pressure pad (9), it is in a limited fixed state.

5. The easy-to-install automobile gearbox shaft cover according to claim 2, characterized in that: A connecting end (11) is integrally formed on one side of the shaft cover (3), an outer periphery of the connecting end (11) is provided with an external thread (12), an inner side of the box body (1) is provided with an internal thread (13), a thread pad (14) is provided on the surface of the external thread (12), and the thread pad (14) itself has a deformation property.

6. The easy-to-install automobile gearbox shaft cover according to claim 5, characterized in that: The periphery of the connection end (11) is in threaded engagement with the internal thread (13) on the inner side of the box body (1) via a thread pad (14) on the surface of the external thread (12).

7. The easy-to-install automobile gearbox shaft cover according to claim 5, characterized in that: A driving shaft is arranged inside the housing (1), and a shaft seal (15) is arranged inside the shaft cover (3) through the inner side of a movable bearing. The shaft seal (15) is an annular seal body and the inner side of the shaft seal (15) is an inclined wall surface.

8. The easy-to-install automobile gearbox shaft cover according to claim 7, characterized in that: The shaft sealing gasket (15) itself has a deformation property, and the outer periphery of the drive shaft and the inner side of the shaft sealing gasket (15) are in a pressed and fixed state.

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