A brake master cylinder cup assembling tool

Abstract

The utility model relates to a kind of brake master cylinder leather bowl assembly tools, it is used to send into the leather bowl slot of brake cylinder body to be assembled, the assembly tool includes feeding shaft, it is equipped with sleeve joint section and the first limiting section of connecting the sleeve joint section, the diameter of the sleeve joint section is less than the diameter of the first limiting section, the diameter of the first limiting section is less than the inner diameter of the leather bowl to be assembled, the circumferential surface of the sleeve joint section is equipped with a groove, and two ends of the groove are penetrated the two end faces of the sleeve joint section, the first limiting section is equipped with the first sliding hole along its axial extension and penetrating the groove;Sliding shaft is slidably connected with the first sliding hole and penetrates the groove;The utility model is bent in the groove of sleeve joint section by sliding shaft to leather bowl, can send leather bowl into leather bowl slot at a time, avoid repeatedly extruding to leather bowl, guarantee the structural integrity and effectiveness of leather bowl.

Description

TECHNICAL FIELD

[0001] The utility model relates to brake cylinder body assembly technical field especially is a kind of brake master cylinder leather bowl assembly tool. BACKGROUND

[0002] Brake master cylinder is the pressure conversion component in automobile hydraulic brake system, usually by brake cylinder cover, piston, piston rod, leather bowl and return spring etc., and leather bowl is a kind of annular sealing element with excellent sealing performance, can prevent brake cylinder body liquid or gas leakage, so as to guarantee the overall performance and safety of automobile. At present, since leather bowl and the leather bowl groove of brake cylinder body are interference fit, mainly rely on artificial in brake cylinder body assembly process, and the leather bowl is extruded into the leather bowl groove in brake cylinder body using pressure rod to realize assembly, however, extrusion type feeding mode can cause leather bowl to be repeatedly extruded in installation process, lead to potential structural failure risk of leather bowl. SUMMARY

[0003] Therefore, the utility model solves the technical problems in the prior art that leather bowl is repeatedly extruded when being pressed into the leather bowl groove of brake cylinder body using pressure rod, leads to potential structural failure risk of leather bowl, and further provides a kind of brake master cylinder leather bowl assembly tool, which can send leather bowl into leather bowl groove at one time, avoid repeatedly extruding leather bowl, and ensure the structural integrity and effectiveness of leather bowl.

[0004] To solve the above technical problems, the utility model provides a kind of brake master cylinder leather bowl assembly tool, it is used to send into the leather bowl groove of brake cylinder body to be assembled, the assembly tool includes,

[0005] Feeding shaft is equipped with sleeve segment and the first limiting section connected with the sleeve segment, the diameter of the sleeve segment is less than the diameter of the first limiting section, the diameter of the first limiting section is less than the inner diameter of the leather bowl to be assembled, the circumferential surface of the sleeve segment is equipped with a groove, and the two ends of the groove penetrate the two end faces of the sleeve segment, and the first limiting section is equipped with the first sliding hole extending along its axial direction and penetrating the groove;

[0006] Sliding shaft is slidably connected with the first sliding hole and penetrates the groove.

[0007] In an embodiment of the utility model, the feeding shaft is also equipped with the extension section connected with the sleeve segment, the extension section is equipped with the second sliding hole extending along its axial direction, the second sliding hole penetrates the groove and is coaxial with the first sliding hole, and the sliding shaft is slidably connected with the second sliding hole.

[0008] In an embodiment of the utility model, the diameter of the extension section is greater than the diameter of the sleeve segment.

[0009] In an embodiment of the utility model, the inner wall of the second sliding hole is equipped with a first adjusting groove, the first adjusting groove extends along the length direction of the second sliding hole, and the first adjusting groove penetrates the groove.

[0010] In an embodiment of the utility model, the inner wall of the second sliding hole is equipped with a second adjusting groove, the second adjusting groove extends along the length direction of the second sliding hole, the second adjusting groove penetrates the groove, and the second adjusting groove is arranged opposite the first adjusting groove.

[0011] In an embodiment of the utility model, the length of the first adjusting groove along the radial direction of the second sliding hole is less than the length of the second adjusting groove along the radial direction of the second sliding hole.

[0012] In an embodiment of the utility model, the feeding shaft comprises a head part and a body part that can be detachably connected, wherein the body part comprises the extension section, and the head part comprises the sleeve joint section and the first limiting section.

[0013] In an embodiment of the utility model, the head part and the body part are connected by a screw, wherein the head part is equipped with a connecting hole extending along the axial direction thereof, and the end face of the body part is equipped with a screw hole.

[0014] In an embodiment of the utility model, the body part further comprises a second limiting section connecting the extension section, the diameter of the second limiting section is greater than the diameter of the extension section, the second limiting section is located at one end of the extension section relative to the sleeve joint section, when the to-be-assembled leather bowl is aligned with the leather bowl groove, the second limiting section abuts against the brake cylinder body, and the first adjusting groove, the second adjusting groove and the second sliding hole all penetrate the second limiting section.

[0015] In an embodiment of the utility model, the cross section of the groove is in the shape of a circular arc.

[0016] The above technical solution of the utility model has the following beneficial effects compared with the prior art:

[0017] The brake master cylinder leather bowl assembly tool of the utility model, after the to-be-assembled leather bowl is sleeved outside the sleeve joint section, the sliding shaft is passed through the first sliding hole, the side wall of the sliding shaft is used to press the leather bowl tightly in the groove along the direction of the groove, the leather bowl is tightly attached to the sleeve joint section in a tightened curved state, the leather bowl is conveniently fed into the leather bowl groove of the brake cylinder body, the leather bowl does not need to be repeatedly extruded, after the sliding shaft is pulled out, the leather bowl is elastically bounced into the leather bowl groove by itself, the assembly of the leather bowl and the leather bowl groove is realized, and therefore the leather bowl is prevented from being repeatedly extruded, and the structural integrity and effectiveness of the leather bowl are protected. BRIEF DESCRIPTION OF DRAWINGS

[0018] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0019] Figure 1 This is a side view of the assembly tool for the brake master cylinder cup of this utility model.

[0020] Figure 2 for Figure 1 The diagram shows the structure of the head of the brake master cylinder cup assembly tool.

[0021] Figure 3 for Figure 2 A structural schematic diagram of the rear view of the head shown;

[0022] Figure 4 for Figure 2 The diagram shows a front view of the head structure.

[0023] Figure 5 for Figure 1 A schematic diagram of the body of the brake master cylinder cup assembly tool shown.

[0024] Figure 6 for Figure 5 A structural schematic diagram of the front view of the torso shown;

[0025] Figure 7 for Figure 5 A structural schematic diagram of the rear view of the torso shown.

[0026] Explanation of reference numerals in the accompanying drawings: 1. Assembly tool; 2. Extension section; 21. Screw hole; 22. Second sliding hole; 23. Second adjusting groove; 24. First adjusting groove; 3. Sleeve section; 31. Groove; 32. Connecting hole; 4. First limiting section; 41. First sliding hole; 5. Second limiting section; 6. Sliding shaft. Detailed Implementation

[0027] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments are not intended to limit the present invention.

[0028] Reference Figure 1 and Figure 2 As shown, in one embodiment of this utility model, a brake master cylinder cup assembly tool 1 is disclosed, which is used to feed the component to be assembled into the cup groove of the brake cylinder body. The assembly tool 1 includes...

[0029] The feeding shaft is provided with a sleeve joint section 3 and a first limiting section 4 connected with the sleeve joint section 3. Before assembly, the leather cup is sleeved on the sleeve joint section 3, the diameter of the sleeve joint section 3 is smaller than the diameter of the first limiting section 4, so that the first limiting section 4 can abut against one side of the leather cup to be assembled to axially limit the leather cup to be assembled, so as to send the leather cup to be assembled into the leather cup groove. The diameter of the first limiting section 4 is smaller than the inner diameter of the leather cup to be assembled, so that the first limiting section 4 can be separated from the leather cup, and the leather cup is left in the leather cup groove. The peripheral side of the sleeve joint section 3 is provided with a groove 31 for receiving the curved part of the leather cup to be assembled. The purpose of the bending treatment of the leather cup is to reduce the volume of the leather cup, so that the leather cup can be smoothly put into the leather cup groove at one time, and repeated extrusion of the leather cup is avoided. The two ends of the groove 31 penetrate the two end faces of the sleeve joint section 3. The first limiting section 4 is provided with a first sliding hole 41 extending along the axial direction and penetrating the groove 31.

[0030] After the leather cup to be assembled is sleeved on the sleeve joint section 3, the sliding shaft 6 is inserted into the first sliding hole 41 through the groove 31. The sliding shaft 6 is limited by the first sliding hole 41, so that the side wall of the sliding shaft 6 can stably press a part of the leather cup to be assembled in the groove 31. The inner wall of the leather cup to be assembled is completely matched with the periphery of the sleeve joint section 3. Finally, the leather cup to be assembled is in a sickle-shaped structure, and the bending treatment of the leather cup to be assembled is realized. When the leather cup to be assembled is opposite to the leather cup groove, the sliding shaft 6 is pulled out, so that the leather cup to be assembled is elastically popped into the leather cup groove by itself, and the assembly is realized.

[0031] Referring to Figure 1 Further, in order to make the sleeve joint section 3, the first limiting section 4 and the leather cup to be assembled extend into the brake cylinder body, the feeding shaft is further provided with an extension section 2 connected with the sleeve joint section 3. The length of the extension section 2 is greater than the sum of the lengths of the sleeve joint section 3 and the first limiting section 4. The worker sends the leather cup to be assembled into the brake cylinder body through the extension section 2. In order to guide the sliding shaft 6 to accurately penetrate the groove 31 and the first sliding hole 41, the extension section 2 is provided with a second sliding hole 22 extending along the axial direction. The second sliding hole 22 penetrates the groove 31 and is coaxial with the first sliding hole 41. The sliding shaft 6 is in sliding connection with the second sliding hole 22.

[0032] Referring to Figure 1 The diameter of the extension section 2 is greater than the diameter of the sleeve joint section 3. The end of the extension section 2 can abut against the other side of the leather cup to be assembled to limit the leather cup to be assembled, so as to prevent the leather cup to be assembled from sliding along the sleeve joint section 3 when the leather cup is sent, and cause the leather cup and the leather cup groove to be misaligned and unable to be assembled.

[0033] Referring to Figure 6 and Figure 7As shown, in order to adjust the position of the sliding shaft 6 within a certain range, so as to better pull out or insert the sliding shaft 6, and better compress the to-be-assembled leather cup, the inner wall of the second sliding hole 22 is provided with a first adjusting groove 24 extending along the length direction of the second sliding hole 22, the sliding shaft 6 can slide into the first adjusting groove 24 from the second sliding hole 22, and the first adjusting groove 24 penetrates the groove 31.

[0034] Referring to Figure 6 and Figure 7 As shown, in order to adjust the position of the sliding shaft 6 in multiple directions, the inner wall of the second sliding hole 22 is further provided with a second adjusting groove 23 extending along the length direction of the second sliding hole 22, the sliding shaft 6 can also slide into the second adjusting groove 23 from the second sliding hole 22, the second adjusting groove 23 penetrates the groove 31, and the second adjusting groove 23 is arranged opposite to the first adjusting groove 24, and the sliding shaft 6 can directly slide into the first adjusting groove 24 from the second adjusting groove 23.

[0035] Referring to Figure 6 As shown, the length of the first adjusting groove 24 along the radial direction of the second sliding hole 22 is less than the length of the second adjusting groove 23 along the radial direction of the second sliding hole 22.

[0036] Referring to Figure 2 and Figure 5 As shown, in order to facilitate replacement of assembly tools 1 of different lengths to adapt to different models of brake cylinder bodies, the feeding shaft comprises a detachably connected head and body, wherein the body comprises the extension section 2, and the head comprises the sleeve joint section 3 and the first limiting section 4, and the length adjustment of the assembly tool 1 is realized by connecting the body of different lengths to the head.

[0037] Referring to Figure 2 and Figure 6 As shown, the head and the body are connected by screws, specifically, the head is provided with a connecting hole 32 extending along the axial direction thereof, the end surface of the body is provided with screw holes 21, and two screws are threadedly connected to the two screw holes 21 of the body through the connecting hole 32 of the head.

[0038] Referring to Figure 1 and Figure 7As shown, the body further comprises a second limiting section 5 connected to the elongated section 2, the diameter of the second limiting section 5 is larger than that of the elongated section 2, the second limiting section 5 is located at one end of the elongated section 2 relative to the sleeve joint section 3, a worker can hold the second limiting section 5 to stretch the head into the brake cylinder body, and when the to-be-assembled leather cup is aligned with the leather cup groove, the second limiting section 5 just abuts against the brake cylinder body so that the body and the head stop moving, ensuring that the leather cup is accurately popped into the leather cup groove, and the first adjusting groove 24, the second adjusting groove 23 and the second sliding hole 22 all penetrate through the second limiting section 5.

[0039] Referring to Figure 2 As shown, the cross section of the groove 31 is in the shape of a circular arc, which is to ensure that the to-be-assembled leather cup is fully fitted with the groove wall of the groove 31, preventing the to-be-assembled leather cup from being excessively bent due to uneven force and causing structural damage.

[0040] The working principle of the brake master cylinder leather cup assembly tool 1 is as follows:

[0041] A worker selects a body with a length matched with the head, then puts the leather cup on the sleeve joint section 3, presses the leather cup along the bottom of the groove 31 by fingers, so that the inner wall of the leather cup is completely fitted with the periphery of the sleeve joint section 3, at this time, the leather cup is in a tightened state, then the worker successively inserts the sliding shaft 6 through the second sliding hole 22, the groove 31 and the first sliding hole 41, uses the side wall of the sliding shaft 6 to replace the fingers to press the leather cup, then holds the second limiting section 5 to stretch the leather cup into the brake cylinder body, when the second limiting section abuts against the brake cylinder body, the to-be-assembled leather cup is just aligned with the leather cup groove, at this time, the worker pulls out the sliding shaft 6 from the head and the body, the leather cup is popped into the leather cup groove by its own elasticity, realizing the interference assembly of the leather cup and the leather cup groove, then the worker holds the second limiting section 5 to take out the head and the body from the brake cylinder body, ending the assembly.

[0042] Obviously, the above embodiments are only examples for clearly illustrating, and are not intended to limit the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments are not required to be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A brake master cylinder cup assembly tool for feeding a cup to be assembled into a cup groove of a brake cylinder body, characterized by, The assembling tool comprises, a feeding shaft, which is provided with a sleeving section and a first limiting section connected with the sleeving section, the diameter of the sleeving section is smaller than that of the first limiting section, the diameter of the first limiting section is smaller than the inner diameter of the skin bowl to be assembled, the peripheral side surface of the sleeving section is provided with a groove, and the two ends of the groove penetrate the two end surfaces of the sleeving section, and the first limiting section is provided with a first sliding hole extending along the axial direction thereof and penetrating the groove; a sliding shaft, which is in sliding connection with the first sliding hole and penetrates the groove.

2. A brake master cylinder cup assembly tool according to claim 1, wherein, The feeding shaft is further provided with an extension section connected with the sleeving section, the extension section is provided with a second sliding hole extending along the axial direction thereof, the second sliding hole penetrates the groove and is coaxial with the first sliding hole, and the sliding shaft is in sliding connection with the second sliding hole.

3. A brake master cylinder cup assembly tool according to claim 2, wherein, The diameter of the extension section is larger than that of the sleeving section.

4. The brake master cylinder cup assembly tool of claim 2, wherein, The inner wall of the second sliding hole is provided with a first adjusting groove, the first adjusting groove extends along the length direction of the second sliding hole, and the first adjusting groove penetrates the groove.

5. A brake master cylinder cup assembly tool according to claim 4, wherein, The inner wall of the second sliding hole is further provided with a second adjusting groove, the second adjusting groove extends along the length direction of the second sliding hole, the second adjusting groove penetrates the groove, and the second adjusting groove is arranged opposite to the first adjusting groove.

6. A brake master cylinder cup assembly tool according to claim 5, wherein, The length of the first adjusting groove along the radial direction of the second sliding hole is smaller than that of the second adjusting groove along the radial direction of the second sliding hole.

7. A brake master cylinder cup assembly tool as defined in claim 5 wherein, The feeding shaft comprises a head and a body which are detachably connected, wherein the body comprises the extension section, and the head comprises the sleeving section and the first limiting section.

8. A brake master cylinder cup assembly tool according to claim 7, wherein, The head and the body are connected by screws, wherein the head is provided with a connecting hole extending along the axial direction thereof, and the end surface of the body is provided with a screw hole.

9. A brake master cylinder cup assembly tool as defined in claim 7 wherein, The body further comprises a second limiting section connected with the extension section, the diameter of the second limiting section is larger than that of the extension section, the second limiting section is located at one end of the extension section relative to the sleeving section, when the skin bowl to be assembled is aligned with the skin bowl groove, the second limiting section abuts against the brake cylinder body, and the first adjusting groove, the second adjusting groove and the second sliding hole all penetrate the second limiting section.

10. The brake master cylinder cup assembly tool of claim 1, wherein, The cross section of the groove is in the shape of a circular arc.

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