CN211740164U

CN211740164U - Oxygen sensor nut detects frock

Info

Publication number: CN211740164U
Application number: CN202020564172.2U
Authority: CN
Inventors: 孙海峰
Original assignee: Wuxi Shengfei Machinery Manufacturing Co ltd
Current assignee: Wuxi Shengfei Machinery Manufacturing Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-10-23
Anticipated expiration: 2030-04-16

Abstract

The utility model belongs to the technical field of the check out test set, especially, detect frock for oxygen sensor nut, including the handle, the one end fixedly connected with mobile jib of handle, a side fixed surface of mobile jib is connected with the extrametrical piece, the through-hole has been seted up on the surface of mobile jib, run through in the through-hole of mobile jib and be connected with fixed inserted block, the through-hole has been seted up on the surface of fixed inserted block, run through in the through-hole of fixed inserted block and be connected with the fixed screw, the surface of mobile jib is equipped with the main frame, the middle part of main frame is rotated and is connected with the pivot, the fixed surface of main frame is connected with the fixed block. The utility model discloses a set up the peripheral survey piece, then fix the fixed screw in inserting fixed inserted block, the operator has driven the rotation of mobile jib through pinching the handle, places the nut between the peripheral survey piece, detects the nut through the laminating of two sets of peripheral survey pieces to the effect that detects the shape size has been reached.

Description

Oxygen sensor nut detects frock

Technical Field

The utility model relates to a check out test set technical field specifically is oxygen sensor nut detects frock.

Background

On engines that use three-way catalytic converters to reduce exhaust pollution, oxygen sensors are indispensable elements. As the purification capacity of the three-way catalyst for CO, HC and NOx is rapidly reduced once the air-fuel ratio of the mixture deviates from the theoretical air-fuel ratio, an oxygen sensor is arranged in an exhaust pipe and used for detecting the concentration of oxygen in the exhaust gas, a feedback signal is sent to an ECU (electronic control unit), the ECU controls the increase and decrease of the fuel injection quantity of an oil injector, so that the air-fuel ratio of the mixture is controlled to be close to the theoretical value, a nut is a nut and is a part which is screwed together with a bolt or a screw rod to play a fastening role, and one element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, nonferrous metals (such as copper) and the like according to different materials.

There are the following problems:

1. according to the existing oxygen sensor nut detection tool, the nut needs to detect the shape and the size of the surface when in detection, and the nut with an irregular shape is easy to damage in the using process.

2. The existing oxygen sensor nut detection tool has the defects that a plurality of nuts are irregular in threads after being punched, and are poor in safety and stability when being installed on a machine.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an oxygen sensor nut detects frock has solved the problem that can't detect the shape.

In order to achieve the above object, the utility model provides a following technical scheme: oxygen sensor nut detects frock, including the handle, the one end fixedly connected with mobile jib of handle, one side fixed surface of mobile jib is connected with the extrametrical piece, the through-hole has been seted up on the surface of mobile jib, run through in the through-hole of mobile jib is connected with fixed inserted block, the through-hole has been seted up on the surface of fixed inserted block, run through in the through-hole of fixed inserted block and be connected with the fixed screw, the surface of mobile jib is equipped with the main frame, the middle part of main frame is rotated and is connected with the pivot, the fixed surface of main frame is connected with the fixed block, the top surface of fixed block is rotated and is connected with the bull stick, the surface of bull stick is seted up flutedly, fixedly connected with spring on the recess inner wall of bull stick, the top fixedly connected with elasticity lifter of spring.

As a preferred technical scheme of the utility model, the extrametrical piece is welded connection with fixed inserted block and connects, and the shape of fixed inserted block is the cylinder rectangular form.

As an optimized technical scheme of the utility model, the pivot is to rotate connected mode with the mobile jib and is connected, and the material of pivot is made for stainless steel material.

As an optimized technical proposal of the utility model, the cross section of the main frame is in a shape like a Chinese character 'kou', and the surface of the main frame is a smooth plane.

As an optimized technical solution of the present invention, the number of the grips and the main rod is two, and the two sets of grips and the main rod are installed in axial symmetry with the vertical center line of the main frame.

As an optimized technical scheme of the utility model, the shape of cross section of interior measuring staff is "L" type, and the one end surface of interior measuring staff is equipped with the screw thread.

As a preferred technical scheme of the utility model, the recess looks adaptation on elasticity lifter and bull stick surface, and elasticity lifter and bull stick are clearance fit relation.

Compared with the prior art, the utility model provides an oxygen sensor nut detects frock possesses following beneficial effect:

1. this oxygen sensor nut detects frock, through setting up the peripheral survey piece, when needs detect different kinds of nut shape and size, can be through inserting the through-hole of mobile jib with peripheral survey piece and fixed inserted block in, then fix in inserting fixed inserted block with the fixed screw, the operator has driven the rotation of mobile jib through pinching the handle, place the nut between the peripheral survey piece, detect the nut through two sets of peripheral survey piece laminating, thereby reached the effect that detects the shape size.

2. This oxygen sensor nut detects frock, through setting up interior measuring staff, when needs detect the inner wall screw thread of nut, can be through rotating interior measuring staff to nut top, then down press interior measuring staff, the measuring staff descends in the effect of elasticity lifter down, and interior measuring staff inserts and detects in the inner wall of advancing the nut to the effect of detecting the screw thread has been reached.

Drawings

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

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

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a grip; 2. a main rod; 3. an external measuring block; 4. fixing the insert block; 5. fixing screws; 6. a main frame; 7. a rotating shaft; 8. an inner measuring rod; 9. a fixed block; 10. a rotating rod; 11. a spring; 12. an elastic lifting rod.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in this embodiment: oxygen sensor nut detects frock, including handle 1, handle 1's one end fixedly connected with mobile jib 2, one side fixed surface of mobile jib 2 is connected with the outer survey piece 3, the through-hole has been seted up on the surface of mobile jib 2, it has fixed inserted block 4 to run through in the through-hole of mobile jib 2, the through-hole has been seted up on the surface of fixed inserted block 4, it has fixed screw 5 to run through in the through-hole of fixed inserted block 4, the surface of mobile jib 2 is equipped with main frame 6, the middle part of main frame 6 is rotated and is connected with pivot 7, the fixed surface of main frame 6 is connected with fixed block 9, the top surface rotation of fixed block 9 is connected with bull stick 10, the surface of bull stick 10 has seted up flutedly, fixedly connected with spring 11 on the recess inner wall of bull stick 10, spring 11's top fixedly connected with elasticity lifter.

In this embodiment, the outer measuring block 3 and the fixed insert 4 are connected in a welding connection manner, the fixed insert 4 is cylindrical and long, the rotating shaft 7 and the main rod 2 are connected in a rotating connection manner, the rotating shaft 7 is made of stainless steel, the cross section of the main frame 6 is in a shape like a Chinese character 'kou', the surface of the main frame 6 is a smooth plane, the number of the handles 1 and the main rod 2 is two, the two groups of handles 1 and the main rod 2 are axially symmetrically mounted on the vertical center line of the main frame 6, the cross section of the inner measuring rod 8 is in a shape like 'L', a thread is arranged on one end surface of the inner measuring rod 8, the elastic lifting rod 12 is matched with a groove on the surface of the rotating rod 10, and the elastic lifting rod 12 is in a clearance fit relationship with the rotating rod 10.

The utility model discloses a theory of operation and use flow: the utility model discloses in, at first the operator when needs to different kinds of nut shape and size and dimension detection, can insert into the through-hole of mobile jib 2 through with surveying block 3 and fixed inserted block 4 outward, then insert into fixed inserted block 4 with fixed screw 5 and fix, the operator has driven the rotation of mobile jib 2 through pinching handle 1, place the nut between surveying block 3 outward, laminate through two sets of surveying block 3 outward and detect the nut, thereby the effect of detecting the shape size has been reached, when needs detect the inner wall screw thread of nut, can be through rotating interior measuring staff 8 to nut top, then press down interior measuring staff 8, interior measuring staff 8 descends under the effect of elasticity lifter 12, interior measuring staff 8 inserts and detects in the inner wall of nut, thereby the effect of detecting the screw thread has been reached.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Oxygen sensor nut detects frock, including handle (1), its characterized in that: the handle is characterized in that a main rod (2) is fixedly connected to one end of the handle (1), an outer measuring block (3) is fixedly connected to one side surface of the main rod (2), a through hole is formed in the surface of the main rod (2), a fixing insertion block (4) is connected in the through hole of the main rod (2) in a penetrating manner, a through hole is formed in the surface of the fixing insertion block (4), a fixing screw (5) is connected in the through hole of the fixing insertion block (4) in a penetrating manner, a main frame (6) is arranged on the surface of the main rod (2), a rotating shaft (7) is rotatably connected to the middle of the main frame (6), a fixing block (9) is fixedly connected to the surface of the main frame (6), a rotating rod (10) is rotatably connected to the top surface of the fixing block (9), a groove is formed in the surface of the rotating rod (10), a spring (11) is fixedly connected to the inner wall of the groove of, the top end of the elastic lifting rod (12) is fixedly connected with an inner measuring rod (8).

2. The oxygen sensor nut detection tool according to claim 1, characterized in that: the external measuring block (3) and the fixed inserting block (4) are connected in a welding connection mode, and the fixed inserting block (4) is in a cylindrical long strip shape.

3. The oxygen sensor nut detection tool according to claim 1, characterized in that: the rotating shaft (7) is connected with the main rod (2) in a rotating connection mode, and the rotating shaft (7) is made of stainless steel materials.

4. The oxygen sensor nut detection tool according to claim 1, characterized in that: the cross section of the main frame (6) is in a shape like a Chinese character 'kou', and the surface of the main frame (6) is a smooth plane.

5. The oxygen sensor nut detection tool according to claim 1, characterized in that: the number of the grips (1) and the main rod (2) is two, and the grips (1) and the main rod (2) are axially symmetrically arranged by using the vertical center line of the main frame (6).

6. The oxygen sensor nut detection tool according to claim 1, characterized in that: the cross section of the inner measuring rod (8) is L-shaped, and a thread is arranged on the surface of one end of the inner measuring rod (8).

7. The oxygen sensor nut detection tool according to claim 1, characterized in that: the elastic lifting rod (12) is matched with the groove on the surface of the rotating rod (10), and the elastic lifting rod (12) is in clearance fit with the rotating rod (10).