阅读说明：本技术 一种pcf检具的可拆卸锁紧结构 (PCF examines dismantlement locking structure of utensil ) 是由 王兵兵 于 2019-09-21 设计创作，主要内容包括：本发明公开了一种PCF检具的可拆卸锁紧结构,包括安装座本体,所述安装座本体包括连接部、上底座、下底座和下压块；调节杆,所述调节杆位于上底座和下底座之间；伸缩杆,所述伸缩杆包括上段和下段,所述上段穿过上底座,所述下段安装在固定部的螺纹通孔中；上压块,所述上压块包括压紧部和安装部,所述安装部与伸缩杆的上段固定连接。本发明通过设置调节杆,可以调节锁紧和定位的尺寸,以适应不同尺寸规格,可以重复使用,且操作简便；通过设置切削面和限位销,以限制伸缩杆在夹紧的过程中转动,使夹紧和定位的效果更好；在调节杆上设有环形槽,在拆卸被夹紧零部件时,可以使上压块转动,便于被夹紧零部件的拆卸。(The invention discloses a detachable locking structure of a PCF (fiber testing fixture), which comprises a mounting seat body, wherein the mounting seat body comprises a connecting part, an upper base, a lower base and a lower pressing block; the adjusting rod is positioned between the upper base and the lower base; the telescopic rod comprises an upper section and a lower section, the upper section penetrates through the upper base, and the lower section is installed in the threaded through hole of the fixing part; go up the briquetting, it includes the portion of compressing tightly and installation department to go up the briquetting, the installation department is with the upper segment fixed connection of telescopic link. The adjustable locking and positioning device can adjust the locking and positioning sizes by arranging the adjusting rod so as to adapt to different sizes and specifications, can be repeatedly used and is simple and convenient to operate; the cutting surface and the limiting pin are arranged to limit the telescopic rod to rotate in the clamping process, so that the clamping and positioning effects are better; the adjusting rod is provided with the annular groove, so that the upper pressing block can rotate when the clamped part is disassembled, and the clamped part can be conveniently disassembled.)

1. The utility model provides a locking structure dismantled of utensil is examined to PCF which characterized in that includes:

the mounting seat comprises a mounting seat body (1), wherein the mounting seat body (1) comprises a connecting part (11), the upper end of the connecting part (11) is fixedly connected with an upper base (12), the lower end of the connecting part (11) is fixedly provided with a lower base (13), the upper base (12), the connecting part (11) and the lower base (13) form a C shape, and the tail end of the lower base (13) is fixedly provided with a lower pressing block (14);

the adjusting rod (3) comprises a fixing part (31) and a handle (32), the handle (32) is arranged outside the fixing part (31), the fixing part (31) is provided with a threaded through hole, and the adjusting rod (3) is positioned between the upper base (12) and the lower base (13);

the telescopic rod (4) comprises an upper section (41) and a lower section (42), the upper section (41) penetrates through the upper base (12), external threads are arranged on the outer surface of the cylindrical surface of the lower section (42), and the lower section (42) is installed in a threaded through hole of the fixing part (31);

go up briquetting (2), go up briquetting (2) including compressing tightly portion (21) and installation department (22), installation department (22) pass through set screw (5) fixed connection with upper segment (41) of telescopic link (4).

2. The detachable locking structure of a PCF test fixture of claim 1, wherein: the telescopic rod is characterized in that a through hole is formed in the upper base (12), a limiting pin (6) is installed in the through hole, the limiting pin (6) is in interference fit with the through hole, a cutting surface (43) is arranged on the upper section (41) of the telescopic rod (4), and the limiting pin (6) is tangent to the cutting surface (43).

3. The detachable locking structure of a PCF test fixture of claim 2, wherein: an annular groove (44) is formed in the position, close to the lower section (42), of the upper section (41) of the telescopic rod (4), and the depth of the annular groove (44) is larger than or equal to the cutting depth of the cutting surface (43).

4. The detachable locking structure of a PCF test fixture of claim 1, wherein: the outer side surface of the lower pressing block (14) is provided with a slot (141), and the front surface of the lower pressing block (14) is provided with a plurality of fixing holes (142).

5. The detachable locking structure of a PCF test fixture of claim 1, wherein: the mounting seat body (1) and the adjusting rod (3) are made of high-quality carbon structural steel, the telescopic rod (4) is made of stainless steel, and the upper pressing block (2) is made of aluminum alloy.

Technical Field

The invention relates to the technical field of automobile checking tools, in particular to a detachable locking structure of a PCF checking tool.

Background

PCF (Part matching Fixture) is an abbreviation of english Part coding fix, is a check tool that relies on the positioner to realize the overlap joint between the parts, verifies and measures the Part overlap joint precision and cooperation status, and can realize the precision of the verification Fixture and welding process, it mainly passes through the clamping process of the simulation real Fixture, verifies the new product design, assembly process, positioning reference, welding process in order to reach the technological process of optimizing the car body size. The detachable locking structure of the conventional PCF checking fixture can only adapt to locking and positioning of a certain specific size and cannot be reused.

Disclosure of Invention

The invention aims to provide a detachable locking structure of a PCF (Photonic Crystal fiber) checking fixture, which solves the problems in the prior art.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a detachable locking structure of a PCF checking fixture comprises:

the mounting seat comprises a mounting seat body, wherein the mounting seat body comprises a connecting part, the upper end of the connecting part is fixedly connected with an upper base, the lower end of the connecting part is fixedly provided with a lower base, the upper base, the connecting part and the lower base form a C shape, and the tail end of the lower base is fixedly provided with a lower pressing block;

the adjusting rod comprises a fixing part and a handle, the handle is arranged outside the fixing part, the fixing part is provided with a threaded through hole, and the adjusting rod is positioned between the upper base and the lower base;

the telescopic rod comprises an upper section and a lower section, the upper section penetrates through the upper base, the outer surface of the cylindrical surface of the lower section is provided with external threads, and the lower section is arranged in the threaded through hole of the fixing part;

go up the briquetting, it includes clamping part and installation department to go up the briquetting, the installation department passes through set screw fixed connection with the upper segment of telescopic link.

Furthermore, a through hole is formed in the upper base, a limiting pin is installed in the through hole, the limiting pin is in interference fit with the through hole, a cutting surface is arranged on the upper section of the telescopic rod, and the limiting pin is tangent to the cutting surface.

Furthermore, an annular groove is formed in the position, close to the lower section, of the upper section of the telescopic rod, and the depth of the annular groove is larger than or equal to the cutting depth of the cutting surface.

Furthermore, the outer side surface of the lower pressing block is provided with a slot, and the front surface of the lower pressing block is provided with a plurality of fixing holes.

Furthermore, the mounting seat body and the adjusting rod are made of high-quality carbon structural steel, the telescopic rod is made of stainless steel, and the upper pressing block is made of aluminum alloy.

The invention has the following beneficial effects: the size of locking and positioning can be adjusted by arranging the adjusting rod so as to adapt to different sizes, so that the detachable locking structure can be repeatedly used and is simple and convenient to operate; the cutting surface and the limiting pin are arranged to limit the telescopic rod to rotate in the clamping process, so that the clamping and positioning effects are better; the adjusting rod is provided with the annular groove, so that the upper pressing block can rotate when the clamped part is disassembled, and the clamped part can be conveniently disassembled.

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 the drawings without creative efforts.

FIG. 1 is a schematic view of the press structure of the present invention.

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is a schematic structural view of the telescopic rod.

FIG. 4 is a schematic structural diagram of the upper pressing block rotated by 180 degrees when the annular groove is adjusted to the position of the limit pin.

Fig. 5 is a cross-sectional view of fig. 4.

The reference numbers are as follows:

the mounting seat comprises a mounting seat body 1, a connecting part 11, an upper base 12, a lower base 13, a lower pressing block 14, a slot 141 and a fixing hole 142;

an upper pressing block 2, a pressing part 21 and an installation part 22;

an adjusting rod 3, a fixing part 31 and a handle 32;

the telescopic rod 4, the upper section 41, the lower section 42, the cutting surface 43 and the annular groove 44;

a fixing screw 5 and a limit pin 6.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 5, a detachable locking structure of a PCF test fixture comprises:

the mounting seat comprises a mounting seat body 1, wherein the mounting seat body 1 comprises a connecting part 11, the upper end of the connecting part 11 is fixedly connected with an upper base 12, the lower end of the connecting part 11 is fixedly provided with a lower base 13, the upper base 12, the connecting part 11 and the lower base 13 form a C shape, and the tail end of the lower base 13 is fixedly provided with a lower pressing block 14;

the adjusting rod 3 comprises a fixing part 31 and a handle 32, the handle 32 is arranged outside the fixing part 31, the fixing part 31 is provided with a threaded through hole, and the adjusting rod 3 is positioned between the upper base 12 and the lower base 13;

the telescopic rod 4 comprises an upper section 41 and a lower section 42, the upper section 41 penetrates through the upper base 12, the outer surface of the cylindrical surface of the lower section 42 is provided with external threads, and the lower section 42 is arranged in a threaded through hole of the fixing part 31;

go up briquetting 2, it includes clamping part 21 and installation department 22 to go up briquetting 2, installation department 22 passes through set screw 5 fixed connection with the upper segment 41 of telescopic link 4.

The upper base 12 is provided with a through hole, the through hole is internally provided with a limit pin 6, the limit pin 6 is in interference fit with the through hole, the upper section 41 of the telescopic rod 4 is provided with a cutting surface 43, and the limit pin 6 is tangent to the cutting surface 43. At this moment, the limiting pin can limit the telescopic rod to rotate, the telescopic rod can only move in the up-and-down direction, and the clamping and positioning effects are better.

An annular groove 44 is formed in the upper section 41 of the telescopic rod 4 close to the lower section 42, and the depth of the annular groove 44 is greater than or equal to the cutting depth of the cutting surface 43. When the handle is adjusted downwards to enable the annular groove to be adjusted to the position of the limiting pin, the depth of the annular groove 44 is larger than or equal to the cutting depth of the cutting surface 43, the limiting pin cannot limit the telescopic rod to rotate at the moment, the upper pressing block can be rotated to other positions or rotated by 180 degrees, so that a space is reserved for the disassembly of the pressed part, and the disassembly of the pressed part is facilitated.

The outer side surface of the lower pressing block 14 is provided with a slot 141, and the front surface of the lower pressing block 14 is provided with a plurality of fixing holes 142. The slot and the fixing hole can fix the tested part on the lower pressing block.

The mounting seat body 1 and the adjusting rod 3 are made of high-quality carbon structural steel, the telescopic rod 4 is made of stainless steel, and the upper pressing block 2 is made of aluminum alloy. Preferably, the mounting seat body 1 and the adjusting rod 3 are made of No. 45 steel, the telescopic rod 4 is made of 3Cr13, and the upper pressing block 2 is made of 6061.

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.