Split type caliper oil drainage screw and oil pipe sealing device
By setting specific steps and oil-through hole structures on the split calipers, ensuring the concentricity of the oil drain screws and the oil pipes, the problem of poor sealing is solved, and a better sealing effect is achieved, preventing oil leakage and improving service life.
Patent Information
- Application Number
- CN202421326477.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-06-12
AI Technical Summary
The existing split caliper oil drain screws and oil pipes have poor sealing properties, which are prone to oil leakage.
A split caliper oil drain screw and oil pipe sealing device is designed. By setting specific steps and oil hole structures on the caliper body and connecting them with the oil pipe, the concentricity between the oil drain screw and the caliper body, the oil pipe and The concentricity between the caliper bodies is used to improve the sealing ability by linear contact to avoid insufficient sealing ability caused by uneven surface contact.
It effectively avoids insufficient sealing due to uneven surface contact, improves sealing, prevents oil leakage, and enhances the service life of the device.
Smart Images
Figure CN222296807U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of split-type automobile calipers, in particular to a split-type caliper oil drain screw and oil pipe sealing device. Background Art
[0002] As a component of the oil brake disc brake assembly, the oil brake caliper body, together with the piston and friction plate, presses the brake disc to generate braking torque. A split caliper is a complete automobile caliper made by fixing two halves of the caliper with bolts. However, the existing split calipers have poor sealing between the drain screw and the oil pipe, which is prone to oil leakage. Utility Model Content
[0003] In view of the above problems, the present application provides a split caliper oil drain screw and oil pipe sealing device, which is used to solve the technical problem that the existing split caliper has poor sealing between the oil drain screw and the oil pipe, which is prone to oil leakage.
[0004] To achieve the above objectives, in a first aspect, the present application provides a split caliper oil drain screw and oil pipe sealing device, comprising:
[0005] Two caliper bodies, wherein the caliper bodies are provided with a first step, a first oil hole, a first piston cavity, a second oil hole, a second piston cavity, a third oil hole, a third piston cavity, a fourth oil hole and a second step, wherein the first step, the first oil hole, the first piston cavity, the second oil hole, the second piston cavity, the third oil hole, the third piston cavity, the fourth oil hole and the second step are sequentially arranged from left to right and are interconnected, wherein the first step is concentrically arranged with the first oil hole, and the fourth oil hole is concentrically arranged with the second step;
[0006] two oil drain screws, the oil drain screws being connected to the caliper body via threads; and
[0007] An oil pipe, both ends of which are respectively connected to the second steps of the two caliper bodies through threads.
[0008] As an embodiment of the utility model, the oil pipe includes an oil pipe body, both ends of the oil pipe body are provided with fixing parts, the fixing parts are provided with a first external thread, the second step is provided with a first internal thread, and the first external thread matches the first internal thread.
[0009] As an implementation mode of the utility model, the fixing part is sleeved on the oil pipe body, the fixing part is slidably arranged on the oil pipe body, and a first outer hexagonal structure is arranged on the fixing part.
[0010] As an embodiment of the utility model, the oil pipe body includes a first section, a second section and a third section, the first section, the second section and the third section are connected in sequence, two fixed parts are slidably arranged on the first section and the third section respectively, a protective part is arranged on the second section, and the protective part is sleeved on the second section.
[0011] As an implementation manner of the present utility model, the cross-sectional shape of the protective member is circular, and the diameter of the protective member is greater than the diameter of the second section.
[0012] As an implementation manner of the utility model, a third step is further provided on the caliper body, and the third step is provided on the left side of the first step, and the third step is connected to the first step.
[0013] As an implementation manner of the present utility model, the inner diameter of the third step is larger than the inner diameter of the first step.
[0014] As an implementation manner of the utility model, the oil drain screw is provided with a second external thread, the third step is provided with a second internal thread, and the second external thread matches with the second internal thread.
[0015] As an implementation mode of the utility model, a second external hexagonal structure is provided on the oil drain screw.
[0016] Different from the prior art, the technical solution of the present application is arranged in sequence from left to right through a first step, a first oil hole, a first piston chamber, a second oil hole, a second piston chamber, a third oil hole, a third piston chamber, a fourth oil hole, and a second step, and they are interconnected. The first step is concentrically arranged with the first oil hole, and the fourth oil hole is concentrically arranged with the second step; the two ends of the oil pipe are respectively connected to the second steps of the two caliper bodies by threads; in this way, the concentric arrangement of the first step and the first oil hole ensures the concentricity between the oil drain screw and the caliper body, and the concentric arrangement of the fourth oil hole and the second step ensures the concentricity between the oil pipe and the caliper body, so that the contact surface between the bottom of the mounting hole corresponding to the oil drain screw and the oil pipe is in line contact, thereby ensuring the sealing and avoiding oil leakage caused by insufficient sealing due to the uneven surface during processing.
[0017] The above-mentioned records related to the content of the utility model are only an overview of the technical solution of the present application. In order to enable ordinary technicians in the field to more clearly understand the technical solution of the present application, and then implement it according to the text of the specification and the contents recorded in the drawings, and to make the above-mentioned purpose and other purposes, features and advantages of the present application easier to understand, the following is an explanation in combination with the specific implementation method and drawings of the present application. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The drawings are only used to illustrate the principles, implementation methods, applications, characteristics and effects of the specific embodiments of the present application and other related contents, and shall not be considered as limitations of the present application.
[0019] In the drawings of the specification:
[0020] Figure 1 This is a structural schematic diagram of a split caliper oil drain screw and oil pipe sealing device according to an embodiment of the present application;
[0021] Figure 2 This is a cross-sectional schematic diagram of a split caliper oil drain screw and oil pipe sealing device according to an embodiment of the present application;
[0022] Figure 3 A perspective view of a split caliper oil drain screw and oil pipe sealing device according to an embodiment of the present application;
[0023] Figure 4 A perspective partial enlarged view of a split caliper oil drain screw and an oil pipe sealing device according to an embodiment of the present application;
[0024] Figure 5 This is a schematic diagram of the structure of an oil pipe according to an embodiment of the present application;
[0025] Figure 6 A schematic diagram of a special tool structure for a split-type caliper oil drain screw and an oil pipe mounting hole according to an embodiment of the present application;
[0026] The reference numerals in the above drawings are described as follows:
[0027] 1. Caliper body, 11. First step, 12. First oil hole, 13. First piston chamber, 14. Second oil hole, 15. Second piston chamber, 16. Third oil hole, 17. Third piston chamber, 18. Fourth oil hole, 20. Third step,
[0028] 2. Drain screw,
[0029] 3. Oil pipe, 31. Oil pipe body, 32. Fixing part, 33. First outer hexagonal structure, 34. First section, 35. Second section, 36. Third section, 37. Protective part. DETAILED DESCRIPTION
[0030] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.
[0031] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.
[0032] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.
[0033] In the description of this application, the term "and / or" is an expression used to describe the logical relationship between objects, indicating that three relationships may exist, for example, X and / or Y, which means: X exists, Y exists, and X and Y exist at the same time. In addition, the character " / " in this article generally indicates that the objects before and after are in a logical relationship of "or".
[0034] In the present application, terms such as “first” and “second” are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship of quantity, priority or sequence between these entities or operations.
[0035] Without further limitations, in this application, the words "include", "comprises", "has" or other similar expressions used in the sentences are intended to cover non-exclusive inclusion. These expressions do not exclude the presence of additional elements in the process, method or product including the elements, so that the process, method or product including a series of elements may include not only those limited elements, but also other elements not explicitly listed, or also include elements inherent to such process, method or product.
[0036] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than", "less than", "exceed" and the like are understood to exclude the number itself; expressions such as "above", "below", "within" and the like are understood to include the number itself. In addition, in the description of the embodiments of this application, "multiple" means more than two (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups", "multiple times", etc., unless otherwise clearly and specifically limited.
[0037] In the description of the embodiments of the present application, space-related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or position relationship based on the orientation or position relationship shown in the specific embodiments or drawings, and are only for the convenience of describing the specific embodiments of the present application or facilitating the reader's understanding, and do not indicate or imply that the referred device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.
[0038] Unless otherwise expressly specified or limited, in the description of the embodiments of the present application, the terms such as "install", "connect", "connect", "fix", "set", etc. used should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integrated setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For technicians in the technical field to which the present application belongs, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0039] According to some embodiments of the present application, please refer to Figures 1 to 6 The present embodiment relates to a split caliper oil drain screw and oil pipe sealing device, including two caliper bodies 1, two oil drain screws 2 and an oil pipe 3, the caliper body 1 is provided with a first step 11, a first oil hole 12, a first piston cavity 13, a second oil hole 14, a second piston cavity 15, a third oil hole 16, a third piston cavity 17, a fourth oil hole 18 and a second step (at Figure 2 The first step 11, the first oil hole 12, the first piston chamber 13, the second oil hole 14, the second piston chamber 15, the third oil hole 16, the third piston chamber 17, the fourth oil hole 18 and the second step are arranged in sequence from left to right and are interconnected. The first step 11 is concentrically arranged with the first oil hole 12, and the fourth oil hole 18 is concentrically arranged with the second step; the drain screw 2 is connected to the caliper body 1 by threads; the two ends of the oil pipe 3 are respectively connected to the second steps of the two caliper bodies 1 by threads.
[0040] In this embodiment, the third step 20 is connected to the first step 11 , the oil drain screw 2 is fixed in the third step 20 , and one end of the oil pipe 3 is fixed in the second step.
[0041] According to some embodiments of the present application, the oil pipe 3 optionally includes an oil pipe body 31, and fixing parts 32 are provided at both ends of the oil pipe body 31, the fixing parts 32 are provided with a first external thread, and the second step is provided with a first internal thread, and the first external thread matches the first internal thread. In this way, the oil passages in the two caliper bodies 1 are connected by fixing the two ends of the oil pipe body 31 to the second step through the fixing parts 32, which is convenient for use.
[0042] According to some embodiments of the present application, optionally, the fixing portion 32 is sleeved on the oil pipe body 31, the fixing portion 32 is slidably arranged on the oil pipe body 31, and a first outer hexagonal structure 33 is arranged on the fixing portion 32. In this way, the fixing portion 32 can be detachably connected to the second step by rotating the first outer hexagonal structure 33, which is convenient for repair and maintenance.
[0043] According to some embodiments of the present application, optionally, the oil pipe body 31 includes a first section 34, a second section 35 and a third section 36, the first section 34, the second section 35 and the third section 36 are connected in sequence, the two fixing parts 32 are slidably arranged on the first section 34 and the third section 36 respectively, the second section 35 is provided with a protective member 37, and the protective member 37 is sleeved on the second section 35. Figure 2 , Figure 3 , Figure 5 As shown, the lengths and angles of the first section 34 , the second section 35 , and the third section 36 are determined according to the actual conditions of the two caliper bodies 1 .
[0044] According to some embodiments of the present application, the cross-sectional shape of the protective member 37 is optionally circular, and the diameter of the protective member 37 is greater than the diameter of the second section 35. In this way, the second section 35 can be strengthened by the protective member 37, thereby improving the service life of the oil pipe body 31.
[0045] According to some embodiments of the present application, optionally, a third step 20 is further provided on the caliper body 1 , and the third step 20 is provided on the left side of the first step 11 , and the third step 20 is connected to the first step 11 .
[0046] The third step 20, the first step 11, the first oil hole 12 and the second step are processed by special tools, such as Figure 6 As shown, a custom step drill is used for the alloy platform. The third step 20 and the second step are processed with an M10 drill bit, and the first step 11 is processed with a D4.2 drill bit protruding structure. When processing the steps, the concentricity of the drain screw, the oil pipe installation hole and the long oil hole is guaranteed. M10X1 is tapped in the D9 hole for installation, and the D9 drill angle is a standard angle of 118 degrees.
[0047] In this way, the sealing between the oil drain screw 2 and the caliper body 1, and between the caliper body 1 and the oil pipe 3 is ensured through the third step 20 and the second step to avoid oil leakage.
[0048] According to some embodiments of the present application, optionally, the inner diameter of the third step 20 is larger than the inner diameter of the first step 11. In this way, the oil drain screw 2 and the caliper body 1 are conveniently fixed to each other.
[0049] According to some embodiments of the present application, the drain screw 2 is optionally provided with a second external thread, and the third step 20 is provided with a second internal thread, and the second external thread matches the second internal thread, so as to facilitate the detachable connection between the drain screw 2 and the caliper body 1.
[0050] According to some embodiments of the present application, optionally, a second outer hexagonal structure is provided on the oil drain screw 2. In this way, the oil drain screw 2 can be disassembled to facilitate the repair and maintenance of the oil circuit.
[0051] Different from the prior art, the technical solution of the present application is arranged in sequence from left to right through a first step 11, a first oil hole 12, a first piston chamber 13, a second oil hole 14, a second piston chamber 15, a third oil hole 16, a third piston chamber 17, a fourth oil hole 18, and a second step, and are interconnected. The first step 11 is concentrically arranged with the first oil hole 12, and the fourth oil hole 18 is concentrically arranged with the second step; the two ends of the oil pipe 3 are respectively connected to the second steps of the two caliper bodies 1 by threads; in this way, the concentric arrangement of the first step 11 and the first oil hole 12 ensures the concentricity between the oil drain screw 2 and the caliper body 1, and the concentric arrangement of the fourth oil hole 18 and the second step ensures the concentricity between the oil pipe 3 and the caliper body 1, so that the contact surface at the bottom of the mounting hole corresponding to the oil drain screw 2 and the oil pipe 3 is in line contact, thereby ensuring the sealing and avoiding the surface contact caused by insufficient sealing due to the surface being not flat during processing to cause oil leakage.
[0052] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present application and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.
[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.
Claims
1. A split caliper oil drain screw and oil pipe sealing device, characterized in that: include: Two caliper bodies, wherein the caliper bodies are provided with a first step, a first oil hole, a first piston cavity, a second oil hole, a second piston cavity, a third oil hole, a third piston cavity, a fourth oil hole and a second step, wherein the first step, the first oil hole, the first piston cavity, the second oil hole, the second piston cavity, the third oil hole, the third piston cavity, the fourth oil hole and the second step are sequentially arranged from left to right and are interconnected, wherein the first step is concentrically arranged with the first oil hole, and the fourth oil hole is concentrically arranged with the second step; two oil drain screws, the oil drain screws being connected to the caliper body via threads; and An oil pipe, both ends of which are respectively connected to the second steps of the two caliper bodies through threads.
2. The split caliper oil drain screw and oil pipe sealing device according to claim 1, characterized in that: The oil pipe comprises an oil pipe body, both ends of the oil pipe body are provided with fixing parts, the fixing parts are provided with a first external thread, the second step is provided with a first internal thread, and the first external thread matches with the first internal thread.
3. The split caliper oil drain screw and oil pipe sealing device according to claim 2, characterized in that: The fixing part is sleeved on the oil pipe body, the fixing part is slidably arranged on the oil pipe body, and a first outer hexagonal structure is arranged on the fixing part.
4. The split caliper oil drain screw and oil pipe sealing device according to claim 3, characterized in that: The oil pipe body includes a first section, a second section and a third section, the first section, the second section and the third section are connected in sequence, two fixed parts are slidably arranged on the first section and the third section respectively, a protective member is arranged on the second section, and the protective member is sleeved on the second section.
5. The split caliper oil drain screw and oil pipe sealing device according to claim 4, characterized in that: The cross-sectional shape of the protective member is circular, and the diameter of the protective member is greater than the diameter of the second section.
6. The split caliper oil drain screw and oil pipe sealing device according to claim 1, characterized in that: The caliper body is also provided with a third step, the third step is provided on the left side of the first step, and the third step is connected to the first step.
7. The split caliper oil drain screw and oil pipe sealing device according to claim 6, characterized in that: An inner diameter of the third step is larger than an inner diameter of the first step.
8. The split caliper oil drain screw and oil pipe sealing device according to claim 7, characterized in that: The oil drain screw is provided with a second external thread, the third step is provided with a second internal thread, and the second external thread matches with the second internal thread.
9. The split caliper oil drain screw and oil pipe sealing device according to claim 8, characterized in that: The oil drain screw is provided with a second outer hexagonal structure.