CN211939753U

CN211939753U - Plugging steel ball press-riveting assembly structure

Info

Publication number: CN211939753U
Application number: CN202020017616.0U
Authority: CN
Inventors: 黄美龙; 罗超; 伍德志; 李昊亮; 余俊华
Original assignee: Wenzhou Lichen Auto Parts Co ltd
Current assignee: Wenzhou Lichen Auto Parts Co ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-11-17
Anticipated expiration: 2030-01-06

Abstract

The utility model discloses an assembly structure is riveted to shutoff steel ball pressure relates to car ABS system technical field. This assembly structure is riveted to shutoff steel ball pressure, including valve body and position sleeve, run through along vertical direction in the position sleeve and be provided with the pressure head, the outside cover of pressure head is equipped with the nut, and the nut cover locates the top of position sleeve to nut and position sleeve threaded connection, the valve body sets up in the bottom of position sleeve, inlays along vertical central line in the valve body and is equipped with the steel ball. This assembly structure is riveted to shutoff steel ball pressure, the reset spring that is equipped with for the pressure head is pressed and is riveted the steel ball and finish the back return and not jamming, and pressure head indent forms the spheroid, with the steel ball profile modeling, prevents that the steel ball riveting from warping, and the excircle department of position sleeve has the fillet transition, prevents to be riveted the piece and to appear the riveting vestige, and the process is simple and practical, need not put the position sleeve earlier, puts the pressure head again, optimizes man-hour, and the pressure head can restore to the throne through reset spring, facilitates the use, and is low to frock and equipment position degree requirement.

Description

Plugging steel ball press-riveting assembly structure

Technical Field

The utility model relates to an automobile ABS system technical field specifically is a shutoff steel ball is pressed and is riveted assembly structure.

Background

And the brake anti-lock system is called ABS for short. The function is that when the automobile brakes, the braking force of the brake is automatically controlled, so that the wheels are not locked and are in a state of rolling and sliding (the sliding rate is about 20 percent) to ensure that the adhesive force between the wheels and the ground is at the maximum. At present, ABS systems are widely used in automobiles, and with the development of technology, ABS systems are more and more important. However, the existing old tool is used for assembling and pressure riveting of the steel balls of the hydraulic valve body of the hydraulic actuator in the automobile ABS system, the clamping stagnation phenomenon easily occurs after the steel balls are completely pressed and riveted by the pressure head, the steel balls can deform after being riveted, the time is consumed, the pressure head is taken out through knocking, the requirement on the position degree of the tool and equipment is high, and the requirement of a user on the assembly structure for pressing and riveting the plugging steel balls cannot be met.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides an assembly structure is riveted to shutoff steel ball pressure improves the product diversification, and the pressure head is pressed and is riveted steel ball and finish the back return and do not block and stagnate, and pressure head indent forms the spheroid, with the steel ball profile modeling, prevents that the steel ball riveting from warping, prevents to appear the riveting vestige by the riveting piece, and the process is simple and practical, and the pressure head can reset through reset spring, and is low to frock and equipment position degree requirement.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an assembly structure is riveted to shutoff steel ball pressure, includes valve body and position sleeve, it is provided with the pressure head to run through along vertical direction in the position sleeve, the outside cover of pressure head is equipped with the nut, and the nut cover locates the top of position sleeve to nut and position sleeve threaded connection, the valve body sets up in the bottom of position sleeve, it is equipped with the steel ball to inlay along vertical central line in the valve body.

Preferably, the contact surface of the bottom of the positioning sleeve and the valve body is in a round arc shape.

Preferably, the pressing head is in spherical pressing rivet contact with the steel ball, and the diameter of the sphere is larger than that of the steel ball by 0.1 mm.

Preferably, the pressure head is in the shape of a stepped shaft, and the pressed diameter of the top of the pressure head is more than the diameter of a steel ball at the bottom.

Preferably, the outer wall of the pressure head 4 is positioned in the positioning sleeve 3 and sleeved with a return spring 5.

Preferably, the vertical central line of the pressure head 4 and the vertical central line of the steel ball 2 are positioned on the same straight line.

The utility model provides an assembly structure is riveted to shutoff steel ball pressure. The method has the following beneficial effects:

(1) this shutoff steel ball is pressed and is riveted assembly structure, the reset spring that is equipped with for the pressure head is pressed and is riveted the back return and not block after the steel ball finishes.

(2) According to the plugging steel ball pressure riveting assembly structure, the head of the pressure head is concave inwards to form a ball body, and the ball body is shaped like the steel ball to prevent the steel ball from being riveted and deformed.

(3) This shutoff steel ball is pressed and is riveted assembly structure, the excircle department of position sleeve has the fillet transition, prevents to appear the riveting vestige by the riveting.

(4) This shutoff steel ball is pressed and is riveted assembly structure, the process is simple and practical, need not put the position sleeve earlier, puts the pressure head again, optimizes man-hour.

(5) This shutoff steel ball is pressed and is riveted assembly structure, the pressure head can reset through reset spring, facilitates the use.

(6) This shutoff steel ball is pressed and is riveted assembly structure, it is low to frock and equipment position degree requirement.

Drawings

FIG. 1 is a schematic view of the present invention before riveting;

FIG. 2 is a schematic view of the present invention during riveting;

FIG. 3 is a schematic view of the utility model after riveting;

fig. 4 is a schematic diagram of an old tool.

In the figure: 1. a valve body; 2. steel balls; 3. a positioning sleeve; 4. a pressure head; 5. a return spring; 6. and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an assembly structure is riveted to shutoff steel ball pressure, includes valve body 1 and position sleeve 3, runs through along vertical direction in the position sleeve 3 and is provided with pressure head 4, and the outside cover of pressure head 4 is equipped with nut 6, and 6 covers of nut locate the top of position sleeve 3 to nut 6 and 3 threaded connection of position sleeve, valve body 1 sets up in the bottom of position sleeve 3, inlays along vertical central line in the valve body 1 and is equipped with steel ball 2.

The designer personally submits the contact surface of the bottom of the locating sleeve 3 and the valve body 1 to form a fillet arc shape, the riveting trace of a riveted part is prevented, the pressing head 4 is spherical with the pressing riveting contact shape of the steel ball 2, the diameter of the sphere is larger than the diameter of the steel ball by 0.1mm, the pressing head 4 is in a step shaft shape, the pressed diameter of the top of the pressing head 4 is more than 2 times of the diameter of the steel ball 2 at the bottom, the head of the pressing head 4 is concave inwards to form a sphere, the sphere is shaped like the steel ball 2, the steel ball 2 is prevented from being riveted and deformed, the outer wall of the pressing head 4 is positioned in the locating sleeve 3, the return is not blocked after the pressing head 4 finishes riveting the steel ball 2, the vertical central line of the pressing head 4 and the vertical central line of the steel ball 2 are positioned on the same straight line, relative to old tooling, the requirements on the position of the tooling and the equipment are low, the.

During the use, put into the hole of valve body 1 with steel ball 2 by the manual work, through 3 section of thick bamboo top excircles of position sleeve and the 2 downthehole footpaths of steel ball cooperation, put into the hole with whole pressure riveting frock subassembly, play the location guide effect, will press the extrusion head of riveting frock pressure head 4 alignment servo press, the extrusion head of servo press pushes down, pressure head 4 breaks away from with valve body 1 under reset spring 5's the spring force effect after the pressure equipment, takes out the work piece, accomplishes the pressure equipment.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an assembly structure is riveted to shutoff steel ball pressure, includes valve body (1) and position sleeve (3), its characterized in that: the positioning sleeve is characterized in that a pressure head (4) penetrates through the positioning sleeve (3) along the vertical direction, a nut (6) is sleeved on the outer side of the pressure head (4), the nut (6) is sleeved on the top of the positioning sleeve (3), the nut (6) is in threaded connection with the positioning sleeve (3), the valve body (1) is arranged at the bottom of the positioning sleeve (3), and a steel ball (2) is embedded in the valve body (1) along the vertical central line.

2. The assembly structure is riveted to shutoff steel ball pressure of claim 1, characterized in that: the bottom of the locating sleeve (3) is in a round-angle arc shape with the contact surface of the valve body (1).

3. The assembly structure is riveted to shutoff steel ball pressure of claim 1, characterized in that: the pressing head (4) and the steel ball (2) are in pressing rivet contact, the shape of the pressing rivet contact is spherical, and the diameter of the spherical shape is larger than that of the steel ball by 0.1 mm.

4. The assembly structure is riveted to shutoff steel ball pressure of claim 1, characterized in that: the pressing head (4) is in a step shaft shape, and the pressed diameter of the top of the pressing head (4) is more than 2 times of the diameter of the steel ball (2) at the bottom.

5. The assembly structure is riveted to shutoff steel ball pressure of claim 1, characterized in that: the outer wall of the pressure head (4) is positioned in the positioning sleeve (3) and is sleeved with a return spring (5).

6. The assembly structure is riveted to shutoff steel ball pressure of claim 1, characterized in that: the vertical central line of the pressure head (4) and the vertical central line of the steel ball (2) are positioned on the same straight line.