Parking screw sleeve of automobile comprehensive braking system

Abstract

The utility model relates to the technical field of thread sleeve structures, in particular to a parking thread sleeve of an automobile comprehensive braking system, which comprises a head portion and a connecting portion, the head portion is arranged at the front end of the connecting portion, the tail end of the connecting portion is fixedly connected with a bottom ring, the tail end of the bottom ring tilts outwards, and an anti-rotation rib is fixed on the outer side of the bottom ring. The front ends of the anti-rotation ribs are fixedly connected with the outer side wall of the connecting part, the diameter of the bottom ring and the diameter of the anti-rotation ribs are larger than the diameter of the connecting part so that the bottom ring and the anti-rotation ribs can bear axial pulling-out force to the maximum extent, and the anti-rotation ribs are evenly distributed on one side of the bottom ring along the outer circle of the connecting part so that the bottom ring can bear large installation torsion force. Therefore, the problems of insufficient fastening axial force, loaded deformation and static moment reduction during fastening installation of an existing designed component made of a plastic material are solved; the conical head is inserted into the piston and makes contact with the piston, the conical face of the conical head is a main contact face, and the conical head ensures that the parking thread sleeve has good centering performance when making contact with the piston.

Description

Technical Field

[0001] The utility model relates to the technical field of screw sleeve structures, and particularly relates to a parking screw sleeve for an automotive integrated braking system. Background Art

[0002] A wire thread insert is a new type of internal thread fastener, suitable for thread connection. It is screwed into and fastened in the thread hole of one of the connected parts to form a standard internal thread, and then a bolt (or screw) is screwed into it. It is also known as a thread insert, simply called an insert. It is a spring-shaped concentric body of internal and external threads precisely processed from high-strength, high-precision, and smooth-surface cold-rolled diamond-shaped stainless steel wire, mainly used to strengthen and protect the internal threads of low-strength materials. Its principle is to form an elastic connection between the screw and the internal thread of the base body, eliminate thread manufacturing errors, and improve the connection strength.

[0003] However, most of the existing structures adopt design components made of plastic materials, and problems such as insufficient fastening axial force and reduced static torque occur during fastening installation, posing quality and safety hazards; therefore, there is an urgent need in the market to develop a vehicle-embedded screw sleeve to help people solve the existing problems. Summary of the Utility Model

[0004] Aiming at the above-mentioned shortcomings of the existing technology, the utility model provides a parking screw sleeve for an automotive integrated braking system, which can effectively solve the problems of insufficient fastening axial force and reduced static torque during installation in the existing technology.

[0005] To achieve the above purposes, the utility model is realized through the following technical solutions:

[0006] The utility model provides a parking screw sleeve for an automotive integrated braking system, including a head and a connecting part. The head is arranged at the front end of the connecting part. The tail end of the connecting part is fixedly connected to a bottom ring. The end of the bottom ring tilts outward. An anti-rotation rib is fixed on the outside of the bottom ring, and the front end of the anti-rotation rib is fixedly connected to the outer side wall of the connecting part.

[0007] Further, a card slot is opened on the inner side wall of the head, and a chamber is arranged at the rear section of the card slot.

[0008] Further, multiple groups of anti-rotation ribs are equidistantly arranged outside the bottom ring.

[0009] Further, an internal thread structure is opened on the inner side wall of the connecting part.

[0010] Further, between the card slot, the chamber, and the hollow part of the connecting part, there is a stepped transition structure, and all are arc chamfer structures on the cross section.

[0011] Further, the head is in the shape of a horn with a small outside and a large inside, and the outer diameter of the anti-rotation rib is the same as the outer diameter of the head.

[0012] The technical solution provided by the present utility model has the following beneficial effects compared with the known public technologies:

[0013] By setting the bottom ring and the anti-rotation ribs of the present utility model to be larger than the diameter of the connecting part, it can withstand the axial pull-off force to the maximum extent. The anti-rotation ribs are evenly distributed along the outer circle of the connecting part on one side of the bottom ring, enabling it to bear a large installation torsional force, thereby solving the problems of insufficient fastening axial force, load-induced deformation, and reduction of static torque in the existing design components made of plastic materials during fastening installation; the conical head is inserted into the piston and contacts the piston. The conical surface of the conical head is the main contact surface, and the conical head ensures good centering when the parking sleeve contacts the piston. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model, and those of ordinary skill in the art can obtain other drawings based on these drawings without creative efforts.

[0015] Figure 1 It is a schematic structural view of the present utility model.

[0016] Figure 2 It is a side view of the structure of the present utility model.

[0017] Figure 3 It is a sectional view of the structure of the present utility model.

[0018] Figure 4 Figure 3 The main view of the structure.

[0019] The reference numerals in the drawings respectively represent: 1. Head; 11. Card slot; 12. Chamber; 2. Connecting part; 21. Internal thread structure; 3. Anti-rotation rib; 4. Bottom ring. Detailed Embodiments

[0020] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts based on the embodiments of the present utility model belong to the scope of protection of the present utility model.

[0021] The following further describes the present utility model in combination with the embodiments.

[0022] Embodiment: A parking screw sleeve of an automobile integrated braking system, referring to the attached Figure 1 -Attached Figure 4 , including a head 1 and a connecting part 2, the head 1 is arranged at the front end of the connecting part 2, the tail end of the connecting part 2 is fixedly connected to the bottom ring 4, the end of the bottom ring 4 is tilted outward, and an anti-rotation rib 3 is fixed to the outside of the bottom ring 4, and the front end of the anti-rotation rib 3 is fixedly connected to the outer wall of the connecting part 2.

[0023] The inner wall of the head 1 is provided with a slot 11, and the rear section of the slot 11 is provided with a chamber 12; the anti-rotation ribs 3 are provided with multiple groups of equidistant groups outside the bottom ring 4; the inner wall of the connecting portion 2 is provided with an internal thread structure 21; the slot 11, the chamber 12 and the hollow part of the connecting portion 2 are in a stepped transition structure, and the intersection surfaces are all in an arc chamfered structure; the head 1 is trumpet-shaped with a small outer side and a large inner side, and the outer diameter of the anti-rotation ribs 3 is the same as the outer diameter of the head 1; the bottom ring 4 and the anti-rotation ribs 3 are provided by It is larger than the diameter of the connecting portion 21 so that it can withstand the axial pull-out force to the maximum extent. The anti-rotation ribs 3 are evenly distributed along the outer circle of the connecting portion 21 on one side of the bottom ring 4 so that it can bear a larger installation torsional force, thereby solving the problems of insufficient tightening axial force, load deformation, and static torque reduction when tightening and installing existing design components made of plastic materials; the conical head 1 is inserted into the piston and contacts the piston, and the conical surface of the conical head 1 is the main contact surface. The conical head 1 ensures that the parking screw sleeve has good concentricity when contacting the piston.

[0024] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention 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 of the technical features therein by equivalents. These modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. Parking screw sleeve of an automotive integrated braking system, characterized in that, It includes a head (1) and a connecting part (2). The head (1) is arranged at the front end of the connecting part (2). The tail end of the connecting part (2) is fixedly connected to a bottom ring (4). The end of the bottom ring (4) tilts outward. An anti-rotation rib (3) is fixed to the outside of the bottom ring (4). The front end of the anti-rotation rib (3) is fixedly connected to the outer side wall of the connecting part (2).

2. The parking screw sleeve of an integrated vehicle braking system according to claim 1, characterized in that, A clamping groove (11) is formed on the inner side wall of the head (1), and a chamber (12) is arranged at the rear section of the clamping groove (11).

3. The parking screw sleeve of an integrated vehicle braking system according to claim 1, characterized in that, Multiple groups of the anti-rotation ribs (3) are equidistantly arranged outside the bottom ring (4).

4. The parking screw sleeve of an integrated vehicle braking system according to claim 1, characterized in that, An internal thread structure (21) is formed on the inner side wall of the connecting part (2).

5. The parking screw sleeve of an integrated vehicle braking system according to claim 2, characterized in that, Between the clamping groove (11), the chamber (12) and the hollow part of the connecting part (2), there is a stepped transition structure, and all of them are arc chamfer structures on the cross section.

6. The parking screw sleeve of an integrated vehicle braking system according to claim 1, wherein, The head (1) is in the shape of a horn with a smaller outer side and a larger inner side, and the outer diameter of the anti-rotation rib (3) is the same as the outer diameter of the head (1).

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