CN210046561U

CN210046561U - Automobile brake master cylinder detection device

Info

Publication number: CN210046561U
Application number: CN201920559197.0U
Authority: CN
Inventors: 夏青
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-02-11
Anticipated expiration: 2029-04-23

Abstract

The utility model discloses an automobile brake master cylinder detection device in the technical field of automobile brake master cylinders, which comprises a shell, wherein the inner side wall of the shell is fixedly connected with a mounting plate, the inner top wall of the shell is fixedly connected with a human-computer interface system, the upper end surface of the mounting plate is fixedly connected with a clamping device, the clamping device comprises two threaded rods, the two threaded rods are fixedly sleeved with a same positioning rod, the two threaded rods are slidably sleeved with a same sliding pressing block, the sliding pressing block is of a hollow shell structure, the sliding pressing block is provided with a triggering device, and the clamping force is well controlled by adding structures such as the sliding pressing block, a compression spring, a first electric conduction sheet and the like, so that the pressing device can not crush a workpiece due to too tight compression when pressing the workpiece, and the workpiece can not become loose in the detection process due to too loose, the use is more convenient, and the workpiece detection is more favorably carried out.

Description

Automobile brake master cylinder detection device

Technical Field

The utility model relates to an automobile brake master cylinder technical field specifically is an automobile brake master cylinder detection device.

Background

The main cylinder of automobile brake belongs to a unidirectional acting piston type hydraulic cylinder, and is used for converting mechanical energy input by a pedal mechanism into hydraulic energy. The brake master cylinder is divided into a single-cavity type and a double-cavity type and is respectively used for a single-circuit hydraulic brake system and a double-circuit hydraulic brake system.

In order to improve the running safety of automobiles, according to the requirements of traffic laws and regulations, the conventional service brake system of automobiles adopts a double-circuit brake system, namely a double-circuit hydraulic brake system consisting of tandem double-cavity master cylinders (single-cavity brake master cylinders are eliminated).

At present, almost all of the systems using the dual circuit hydraulic brake system are servo brake systems or dynamic brake systems. However, in some miniature or light automobiles, in order to make the structure simple, under the condition that the brake pedal force does not exceed the physical strength range of a driver, some automobile types also adopt a tandem double-cavity brake master cylinder group to form a double-loop manual hydraulic brake system.

Automobile brake master cylinder need detect when production, for this reason, application number 201020545833.3's publication has proposed the first piston assembly detection machine of automobile brake master cylinder, and this detection machine needs closing device to fix when examining the work piece, but traditional fixing device can not control the centre gripping dynamics well, can press from both sides bad work piece when the dynamics is great, can make the work piece not hard up again when the dynamics is less to influence the testing result, consequently, provide an automobile brake master cylinder detection device.

Disclosure of Invention

An object of the utility model is to provide an automobile brake master cylinder detection device to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automobile brake master cylinder detection device, includes the shell, the inside wall fixedly connected with mounting panel of shell, the interior roof fixedly connected with human-computer interface system of shell, the up end fixedly connected with clamping device of mounting panel.

Preferably, clamping device includes two threaded rods, two same locating lever, two of fixed cover has been cup jointed on the threaded rod same slip briquetting has been cup jointed in the slip on the threaded rod, the slip briquetting is hollow shell structure, install trigger device on the slip briquetting, it has the pressure equipment frock to contradict between trigger device and the locating lever, be connected with closing device on the threaded rod, closing device is connected with the slip briquetting.

Preferably, trigger device includes a top briquetting, the lower terminal surface of top briquetting is contradicted with the upper end of pressure equipment frock, the up end fixedly connected with clamp plate of top briquetting, the up end of clamp plate is connected with the interior roof of slip briquetting through a plurality of compression springs, the first electric conduction piece of the equal fixedly connected with of up end of the interior roof of slip briquetting and clamp plate.

Preferably, closing device includes the three-phase motor, the output of three-phase motor rotates diapire and the fixedly connected with gear that runs through the slip briquetting, the outer diapire of slip briquetting rotates and is connected with two thread bushings, thread bushing and threaded rod threaded connection, the fixed ring of having cup jointed in the outside of thread bushing, the ring gear meshes with the gear mutually, the bar spout has been seted up to the inside wall of slip briquetting, sliding connection has the slide bar in the bar spout, the slide bar is connected with the lateral wall of bar spout through the tractive spring, the interior roof fixedly connected with dead lever of slip briquetting, the equal fixedly connected with corresponding electro-magnet of lateral wall and the bar spout of dead lever, the equal fixedly connected with corresponding second electric conduction piece of lateral wall and the lateral wall of slide bar of dead lever, two first electric conduction piece, two electro-magnets, The switch and an external power supply form a first series circuit together through a lead, and the two second conducting strips, the three-phase motor switch and the external power supply form a second series circuit together through the lead.

Preferably, the number of the compression springs is not less than four.

Compared with the prior art, the beneficial effects of the utility model are that:

through adding sliding pressing block, compression spring and first electric conduction piece isotructure, controlled the centre gripping dynamics well, can make closing device neither can crush the work piece because too tight when compressing tightly the work piece, also can not make the work piece take place not hard up in the testing process because too pine, it is more convenient to use, more does benefit to going on of work piece detection.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic view of the structure of the clamping device of the present invention;

fig. 3 is a schematic structural view of the triggering device of the present invention;

fig. 4 is a schematic structural view of the pressing device of the present invention;

FIG. 5 is a partial sectional view of the present invention;

fig. 6 is an enlarged schematic view of the structure a of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-shell, 2-clamping device, 21-threaded rod, 22-positioning rod, 23-sliding pressing block, 24-trigger device, 241-top pressing block, 242-pressing plate, 243-first electric conducting sheet, 244-compression spring, 25-pressing device, 251-three-phase motor, 252-gear, 253-toothed ring, 254-thread bush, 255-pulling spring, 256-sliding rod, 257-fixing rod, 258-electromagnet, 259-second electric conducting sheet, 26-press-fitting tool, 3-man-machine interface system and 4-mounting plate.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a detection device for an automobile brake master cylinder comprises a shell 1, wherein the inner side wall of the shell 1 is fixedly connected with a mounting plate 4, the inner top wall of the shell 1 is fixedly connected with a human-computer interface system 3, the upper end surface of the mounting plate 4 is fixedly connected with a clamping device 2, the clamping device 2 comprises two threaded rods 21, the two threaded rods 21 are fixedly sleeved with a same positioning rod 22, the two threaded rods 21 are slidably sleeved with a same sliding pressing block 23, the sliding pressing block 23 is of a hollow shell structure, a trigger device 24 is arranged on the sliding pressing block 23, a pressing tool 26 is abutted between the trigger device 24 and the positioning rod 22, the threaded rods 21 are connected with a pressing device 25, the pressing device 25 is connected with the sliding, the structure well controls the clamping force, so that the pressing device 25 can not crush the workpiece because of being too tight when pressing the workpiece, and can not loosen the workpiece in the detection process because of being too loose.

The triggering device 24 comprises a top pressing block 241, the lower end face of the top pressing block 241 is abutted against the upper end of the press-fitting tool 26, the upper end face of the top pressing block 241 is fixedly connected with a pressing plate 242, the upper end face of the pressing plate 242 is connected with the inner top wall of the sliding pressing block 23 through a plurality of compression springs 244, the inner top wall of the sliding pressing block 23 is fixedly connected with a first electric conduction sheet 243 with the upper end face of the pressing plate 242, and the structure is convenient to use and more beneficial to workpiece detection.

The pressing device 25 comprises a three-phase motor 251, an output end of the three-phase motor 251 rotatably penetrates through the bottom wall of the sliding pressing block 23 and is fixedly connected with a gear 252, the outer bottom wall of the sliding pressing block 23 is rotatably connected with two threaded sleeves 254, the threaded sleeves 254 are in threaded connection with the threaded rod 21, a toothed ring 253 is fixedly sleeved on the outer side of the threaded sleeves 254, the toothed ring 253 is meshed with the gear 252, a strip-shaped sliding groove is formed in the inner side wall of the sliding pressing block 23, a sliding rod 256 is slidably connected in the strip-shaped sliding groove, the sliding rod 256 is connected with the side wall of the strip-shaped sliding groove through a traction spring 255, a fixed rod 257 is fixedly connected to the inner top wall of the sliding pressing block 23, corresponding electromagnets 258 are fixedly connected to the side wall of the fixed rod 257 and the side wall of the strip-shaped sliding groove, corresponding second electric conducting sheets 259 are fixedly connected to the side wall of the fixed, the two second conductive strips 259, the three-phase motor 251 switch and the external power supply form a second series circuit together through conducting wires.

Wherein the number of the compression springs 244 is not less than four.

One specific application of this embodiment is: the press fitting force of the workpiece is better controlled, the workpiece is not damaged by pressure, a certain press fitting extrusion pressure degree can be ensured, the specific working principle is that when a detection workpiece is installed in the press fitting tool 26, switches of a first series circuit and a second series circuit are closed, the second series circuit is in a power-on state at the moment, the three-phase motor 251 starts to operate, a gear ring 253 of the three-phase motor 251 is driven to rotate through a gear 252, the gear ring 253 drives a threaded sleeve 254 to rotate, the threaded sleeve 254 drives a sliding pressing block 23 to move downwards when rotating, so that a top pressing block 241 presses the press fitting tool 26, the pressing plate 242 moves upwards, a pressing spring 244 is compressed, two first electric conducting pieces 243 are contacted, the first series circuit is connected, two electromagnets 258 are attracted together after being powered on, the two second electric conducting pieces 259 are pulled apart, the second series circuit is disconnected, and the three-phase motor 251 stops operating, at this time, the detection workpiece and the press-fitting tool 26 are pressed tightly, and due to the existence of the compression spring 244, the detection workpiece is not crushed and can be kept stable under high pressure in the detection process, so that the detection is facilitated.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an automobile brake master cylinder detection device, includes shell (1), its characterized in that: inside wall fixedly connected with mounting panel (4) of shell (1), interior roof fixedly connected with human-computer interface system (3) of shell (1), up end fixedly connected with clamping device (2) of mounting panel (4), clamping device (2) include two threaded rods (21), two fixed cover is gone up in threaded rod (21) has connect same locating lever (22), two same slip briquetting (23) has been cup jointed in the slip on threaded rod (21), slip briquetting (23) are hollow shell structure, install trigger device (24) on slip briquetting (23), conflict pressure equipment frock (26) between trigger device (24) and locating lever (22), be connected with closing device (25) on threaded rod (21), closing device (25) are connected with slip briquetting (23).

2. The brake master cylinder detecting device for the vehicle according to claim 1, wherein: trigger device (24) are including top briquetting (241), the lower terminal surface of top briquetting (241) is contradicted with the upper end of pressure equipment frock (26), the up end fixedly connected with clamp plate (242) of top briquetting (241), the up end of clamp plate (242) is connected with the interior roof of slip briquetting (23) through a plurality of compression springs (244), the equal fixedly connected with first electric conduction piece (243) of up end of the interior roof of slip briquetting (23) and clamp plate (242).

3. The brake master cylinder detecting device for the vehicle according to claim 2, wherein: the pressing device (25) comprises a three-phase motor (251), the three-phase motor (251) is fixedly connected with the inner side wall of a sliding pressing block (23), the output end of the three-phase motor (251) rotates to penetrate through the bottom wall of the sliding pressing block (23) and is fixedly connected with a gear (252), the outer bottom wall of the sliding pressing block (23) is rotatably connected with two threaded sleeves (254), the threaded sleeves (254) are in threaded connection with a threaded rod (21), a toothed ring (253) is fixedly sleeved on the outer side of each threaded sleeve (254), the toothed ring (253) is meshed with the gear (252), a strip-shaped sliding groove is formed in the inner side wall of the sliding pressing block (23), a sliding rod (256) is connected in the strip-shaped sliding groove in a sliding mode, the sliding rod (256) is connected with the side wall of the strip-shaped sliding groove through a drawing spring (255), and a fixing rod (, the utility model discloses a two-phase motor, including dead lever (257) the equal fixedly connected with of lateral wall and bar spout corresponds electro-magnet (258), the equal fixedly connected with of lateral wall and the lateral wall of slide bar (256) of dead lever (257) corresponds second electric conduction piece (259), two first electric conduction piece (243), two electro-magnet (258), switch pass through the wire and constitute first series circuit jointly with external power supply, two second electric conduction piece (259), three phase motor (251) switch pass through the wire and constitute second series circuit jointly with external power supply.

4. The brake master cylinder detecting device for the vehicle according to claim 2, wherein: the number of the compression springs (244) is not less than four.

5. The brake master cylinder detecting device for the vehicle according to claim 1, wherein: the thread directions on the two threaded rods (21) are opposite.