Automobile caliper air bleed screw

Through the design separation of the upper and lower deflection screw body structure, the problem of being easily worn when the air -to -air -deficiency screws in the existing technology are exhausted, and the effect of reducing wear is achieved.

CN222415725UActive Publication Date: 2025-01-28FUZHOU AUGIS AUTOMOTIVE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421523143.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-01
Publication Date
2025-01-28
Estimated Expiration
2034-07-01

AI Technical Summary

Technical Problem

The existing car caliper vent screws need to rotate the overall structure every time they empti the internal air, resulting in the aluminum body of the car caliper being easily worn.

Method used

Design a car calipers with the upper -deflection screw body and the lower air -deficiency screw body, and the air -deformed screw body cooperates with the inner threads of the car calipers through the first external thread. At the top of the lowering screw body, you only need to rotate the air -to -screw bodies when the air is emptied.

Benefits of technology

Avoid the frequent contact with the body of the air -deformed screw and the car caliper body, reduce wear, and extend the service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an automobile caliper air bleed screw which comprises an upper air bleed screw body and a lower air bleed screw body, the lower air bleed screw body comprises a second outer hexagonal structure, a first external thread and a first internal thread, and the lower air bleed screw body is matched with the internal thread of the automobile caliper through the first external thread. A first conical part is arranged at the bottom of the lower deflation screw body, an oil drainage hole is formed in the bottom of the lower deflation screw body, and a second external thread is arranged on the upper deflation screw body. The bottom of the upper deflation screw body is arranged on the lower deflation screw body through matching of the second external threads and the first internal threads. Compared with the prior art, the air discharging screw has the advantages that the air discharging screw body does not need to be rotated, frequent contact between the air discharging screw body and the automobile caliper body can be effectively avoided, and the air discharging screw body is prevented from abrading the automobile caliper body.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile calipers, in particular to an automobile caliper bleed screw. Background Art

[0002] The automobile caliper bleed screw in the prior art, such as Figure 1 As shown, the bleed screw is provided with a first external thread, which is assembled with the internal thread of the automobile caliper. After the assembly is completed, the bottom of the bleed screw is provided with a tapered portion, which is matched with the hole of the automobile caliper. After the matching is completed. When the automobile caliper is installed, the air inside the automobile caliper needs to be discharged, the brake oil is poured into the automobile caliper, and the foot is stepped on the brake; loosen the bleed screw, and the brake oil is discharged through the oil drain hole and the oil drain channel of the bleed screw.

[0003] The bleed screw of the prior art needs to contact the body of the automobile caliper every time the air inside the automobile caliper is emptied. The bleed screw is made of steel, and the body of the automobile caliper is made of aluminum. Frequent contact will easily cause the aluminum body of the automobile caliper to be worn.

[0004] The prior art has the following problems:

[0005] In the prior art, each time the air inside the automobile caliper is emptied, the entire structure of the bleed screw needs to be rotated, which easily wears the body of the automobile caliper. Utility Model Content

[0006] In view of the above problems, the present application provides a car caliper bleed screw, which is used to solve the technical problem in the prior art that each time the air inside the car caliper is emptied, the overall structure of the bleed screw needs to be rotated, which easily wears the body of the car caliper.

[0007] To achieve the above objectives, in a first aspect, the present application provides an automobile caliper bleed screw, comprising:

[0008] an upper bleed screw body, the upper bleed screw body comprising a first outer hexagonal structure; and

[0009] A lower air bleed screw body, the lower air bleed screw body includes a second external hexagonal structure, a first external thread and a first internal thread, the lower air bleed screw body cooperates with the internal thread of the automobile caliper through the first external thread, the bottom of the lower air bleed screw body is provided with a first conical portion, the bottom of the lower air bleed screw body is provided with an oil drain hole, the interior of the lower air bleed screw body is provided with a first oil drain channel, the oil drain hole is connected with the first oil drain channel, the upper air bleed screw body is provided with a second external thread, the bottom of the upper air bleed screw body is provided on the lower air bleed screw body through the cooperation of the second external thread and the first internal thread, and a sealing assembly is provided between the upper air bleed screw body and the lower air bleed screw body.

[0010] As an embodiment of the utility model, the sealing assembly includes a spring and a sealing bead, the lower half of the upper bleed screw body is provided with a second oil drain channel, the spring is arranged in the second oil drain channel, the sealing bead is arranged below the spring, and the sealing bead is arranged at the top oil outlet of the first oil drain channel, and the upper bleed screw body is rotated to make the sealing bead block or release the top oil outlet of the first oil drain channel.

[0011] As an implementation mode of the utility model, a first accommodating hole is provided at the top of the lower air bleed screw body, and the first accommodating hole is used to accommodate the bottom of the upper air bleed screw body and the sealing assembly.

[0012] As an implementation manner of the utility model, a second tapered portion is provided on the top of the inner wall of the first accommodating hole.

[0013] As an implementation mode of the utility model, the upper air bleed screw body is sealedly connected to the first receiving hole of the lower air bleed screw body through a sealing ring, and the sealing ring is arranged above the second external thread.

[0014] As an implementation mode of the utility model, a squeezing component is provided at the bottom of the upper bleed screw body, an opening is provided on the squeezing component, the sealing bead is arranged in the squeezing component, and the squeezing component is used to squeeze the sealing bead inward.

[0015] As an implementation mode of the utility model, the upper air bleed screw body is provided with a third oil drain channel, the third oil drain channel is arranged above the second oil drain channel, and the third oil drain channel is communicated with the second oil drain channel.

[0016] As an implementation mode of the utility model, the lower air release screw body is provided with two second external hexagonal structures, and the two second external hexagonal structures are arranged in a vertical direction.

[0017] Different from the prior art, the technical solution of the present application is through setting the bleed screw into an upper bleed screw body and a lower bleed screw body, the lower bleed screw body cooperates with the internal thread of the automobile caliper through a first external thread, the bottom of the upper bleed screw body is set on the top of the lower bleed screw body through a thread, and supports the first oil drain channel of the lower bleed screw body. When the air inside the automobile caliper needs to be drained, it is only necessary to loosen the upper bleed screw body and discharge the air inside the automobile caliper from the first oil drain channel of the lower bleed screw body; in this way, there is no need to rotate the lower bleed screw body, which can effectively avoid frequent contact between the lower bleed screw body and the body of the automobile caliper, and avoid the lower bleed screw body from wearing the body of the automobile caliper.

[0018] 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

[0019] 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.

[0020] In the drawings of the specification:

[0021] Figure 1 This is a schematic diagram of the structure of the automobile caliper bleed screw in the prior art of this application;

[0022] Figure 2 This is a schematic structural diagram of a bleed screw for an automobile caliper according to an embodiment of the present application;

[0023] Figure 3 This is a structural schematic diagram of an upper air bleed screw body according to an embodiment of the present application;

[0024] Figure 4 This is a schematic structural diagram of a lower air release screw body according to an embodiment of the present application.

[0025] The reference numerals in the above drawings are described as follows:

[0026] 1. Upper bleed screw body, 11. First external hexagonal structure, 12. Second external thread, 13. Second oil discharge channel, 14. Sealing ring, 15. Extrusion component, 151. Opening, 16. Third oil discharge channel,

[0027] 2. lower air release screw body, 21. second external hexagonal structure, 22. first external thread, 23. first internal thread, 24. first tapered portion, 25. oil drain hole, 26. first oil drain channel, 27. first accommodating hole, 271. second tapered portion;

[0028] 3. Sealing assembly, 31. Spring, 32. Sealing bead. DETAILED DESCRIPTION

[0029] 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.

[0030] 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.

[0031] 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.

[0032] 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".

[0033] 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.

[0034] 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.

[0035] 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.

[0036] 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.

[0037] 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.

[0038] According to some embodiments of the present application, please refer to Figures 2 to 4The present embodiment relates to an automobile caliper air bleed screw, comprising an upper air bleed screw body 1 and a lower air bleed screw body 2, the upper air bleed screw body 1 comprising a first external hexagonal structure 11; the lower air bleed screw body 2 comprising a second external hexagonal structure 21, a first external thread 22 and a first internal thread 23, the lower air bleed screw body 2 cooperates with the internal thread of the automobile caliper through the first external thread 22, a first conical portion 24 is provided at the bottom of the lower air bleed screw body 2, an oil drain hole 25 is provided at the bottom of the lower air bleed screw body 2, a first oil drain channel 26 is provided inside the lower air bleed screw body 2, the oil drain hole 25 is communicated with the first oil drain channel 26, the upper air bleed screw body 1 is provided with a second external thread 12, the bottom of the upper air bleed screw body 1 is provided on the lower air bleed screw body 2 through the cooperation of the second external thread 12 and the first internal thread 23, and a sealing component 3 is provided between the upper air bleed screw body 1 and the lower air bleed screw body 2.

[0039] In this embodiment, the sealing assembly 3 can be an integrated structure with the upper bleed screw body 1. As long as the upper bleed screw body 1 can support the first oil drain channel 26 of the lower bleed screw body 2 through the sealing assembly 3, when it is necessary to bleed or drain the vehicle caliper, the upper bleed screw body 1 can be loosened so that the gas and brake oil of the vehicle caliper can pass through the first oil drain channel 26 of the lower bleed screw body 2, all of which are within the protection scope of this embodiment.

[0040] The oil drain hole 25 is arranged at the bottom of the lower air release screw body 2 in a vertical direction.

[0041] According to some embodiments of the present application, optionally, the sealing assembly 3 includes a spring 31 and a sealing bead 32, the lower half of the upper bleed screw body 1 is provided with a second oil drain channel 13, the spring 31 is arranged in the second oil drain channel 13, the sealing bead 32 is arranged below the spring 31, and the sealing bead 32 is arranged at the top oil outlet of the first oil drain channel 26, and the upper bleed screw body 1 is rotated to make the sealing bead 32 block or release the top oil outlet of the first oil drain channel 26. In this way, when tightening the upper air bleed screw body 1, the upper air bleed screw body 1 presses the spring 31 downward, so that the sealing bead 32 blocks the top oil outlet of the first oil drain channel 26 downward; when the upper air bleed screw body 1 is rotated, the upper air bleed screw body 1 moves upward to loosen the spring 31, so that the sealing bead 32 loosens the top oil outlet of the first oil drain channel 26, thereby achieving air and oil release of the vehicle caliper without rotating the lower air bleed screw body 2, thereby avoiding frequent hard contact between the lower air bleed screw body 2 and the body of the vehicle caliper, thereby wearing the body of the vehicle caliper.

[0042] According to some embodiments of the present application, optionally, a first accommodating hole 27 is provided at the top of the lower air-release screw body 2, and the first accommodating hole 27 is used to accommodate the bottom of the upper air-release screw body 1 and the sealing assembly 3. In this way, the first accommodating hole 27 is used to accommodate the bottom of the upper air-release screw body 1 and the sealing assembly 3, the first internal thread 23 is arranged in the first accommodating hole 27, and the second external thread 12 cooperates with the first internal thread 23 in the first accommodating hole 27, so that the upper air-release screw body 1 is fixed to the top of the lower air-release screw body 2, and at the same time, the sealing ring 14 is also arranged in the first accommodating hole 27, so as to seal between the upper air-release screw body 1 and the lower air-release screw body 2, so as to facilitate the assembly of the upper air-release screw body 1 and the sealing assembly 3.

[0043] The sealing ring 14 also belongs to the sealing component 3 .

[0044] According to some embodiments of the present application, optionally, a second conical portion 271 is provided on the top of the inner wall of the first receiving hole 27. In this way, the bottom of the upper bleed screw body 1 can be guided by the second conical portion 271, and the upper bleed screw body 1 can be vibrated in the horizontal direction.

[0045] According to some embodiments of the present application, optionally, the upper bleed screw body 1 is sealed and connected to the first receiving hole 27 of the lower bleed screw body 2 through a sealing ring 14, and the sealing ring 14 is arranged above the second external thread 12. In this way, the upper bleed screw body 1 is sealed with the lower bleed screw body 2 through the sealing ring 14 to prevent leakage of air and brake oil.

[0046] According to some embodiments of the present application, optionally, a pressing component 15 is provided at the bottom of the upper bleed screw body 1, an opening 151 is provided on the pressing component 15, and the sealing bead 32 is provided in the pressing component 15, and the pressing component 15 is used to press the sealing bead 32 inwardly. In this way, the sealing bead 32 can be pressed by pressing the pressing component 15 inwardly, and the pressing component 15 can prevent the sealing bead 32 from deviating, and the sealing bead 32 can be easily removed through the pressing component 15.

[0047] According to some embodiments of the present application, optionally, the upper bleed screw body 1 is provided with a third oil drain channel 16, the third oil drain channel 16 is provided above the second oil drain channel 13, and the third oil drain channel 16 is connected with the second oil drain channel 13. In this way, the air and brake oil are discharged through the first oil drain channel 26, the second oil drain channel 13, and the third oil drain channel 16 of the oil drain hole 25 in sequence through the third oil drain channel 16 and the second oil drain channel 13, and the second oil drain channel 13 and the first oil drain channel 26.

[0048] According to some embodiments of the present application, the lower air release screw body 2 is optionally provided with two second outer hexagonal structures 21, and the two second outer hexagonal structures 21 are arranged in a vertical direction. In this way, by providing two second outer hexagonal structures 21, it is convenient to rotate the lower air release screw body 2.

[0049] Different from the prior art, the technical solution of the present application is through configuring the bleed screw to be an upper bleed screw body 1 and a lower bleed screw body 2, the lower bleed screw body 2 cooperates with the internal thread of the automobile caliper through a first external thread 22, the bottom of the upper bleed screw body 1 is arranged on the top of the lower bleed screw body 2 through a thread, and supports the first oil drain channel 26 of the lower bleed screw body 2, when it is necessary to drain the air inside the automobile caliper, it is only necessary to loosen the upper bleed screw body 1 and discharge the air inside the automobile caliper from the first oil drain channel 26 of the lower bleed screw body 2; in this way, there is no need to rotate the lower bleed screw body 2, which can effectively avoid frequent contact between the lower bleed screw body 2 and the body of the automobile caliper, and avoid the lower bleed screw body 2 from wearing the body of the automobile caliper.

[0050] 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.

[0051] 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 bleed screw for an automobile caliper, characterized in that: include: an upper bleed screw body, the upper bleed screw body comprising a first outer hexagonal structure; and A lower air bleed screw body, the lower air bleed screw body includes a second external hexagonal structure, a first external thread and a first internal thread, the lower air bleed screw body cooperates with the internal thread of the automobile caliper through the first external thread, the bottom of the lower air bleed screw body is provided with a first conical portion, the bottom of the lower air bleed screw body is provided with an oil drain hole, the interior of the lower air bleed screw body is provided with a first oil drain channel, the oil drain hole is connected with the first oil drain channel, the upper air bleed screw body is provided with a second external thread, the bottom of the upper air bleed screw body is provided on the lower air bleed screw body through the cooperation of the second external thread and the first internal thread, and a sealing assembly is provided between the upper air bleed screw body and the lower air bleed screw body.

2. The automobile caliper bleed screw according to claim 1, characterized in that: The sealing assembly includes a spring and a sealing bead. A second oil drain channel is provided at the lower half of the upper bleed screw body. The spring is provided in the second oil drain channel. The sealing bead is provided below the spring. The sealing bead is provided at the top oil outlet of the first oil drain channel. The upper bleed screw body is rotated to allow the sealing bead to block or release the top oil outlet of the first oil drain channel.

3. The automobile caliper bleed screw according to claim 2, characterized in that: A first accommodating hole is provided at the top of the lower air bleed screw body, and the first accommodating hole is used to accommodate the bottom of the upper air bleed screw body and the sealing assembly.

4. The automobile caliper bleed screw according to claim 3, characterized in that: A second tapered portion is disposed on the top of the inner wall of the first accommodating hole.

5. The automobile caliper bleed screw according to claim 4, characterized in that: The upper air bleed screw body is sealed and connected to the first receiving hole of the lower air bleed screw body via a sealing ring, and the sealing ring is arranged above the second external thread.

6. The automobile caliper bleed screw according to claim 5, characterized in that: A pressing component is provided at the bottom of the upper air bleed screw body, an opening is provided on the pressing component, the sealing bead is arranged in the pressing component, and the pressing component is used to press the sealing bead inward.

7. The automobile caliper bleed screw according to claim 6, characterized in that: The upper air bleed screw body is provided with a third oil drain passage, the third oil drain passage is arranged above the second oil drain passage, and the third oil drain passage is communicated with the second oil drain passage.

8. The automobile caliper bleed screw according to any one of claims 1 to 7, characterized in that: The lower air release screw body is provided with two second external hexagonal structures, and the two second external hexagonal structures are arranged in a vertical direction.