CN210071786U

CN210071786U - Durable type oxygen check gauge

Info

Publication number: CN210071786U
Application number: CN201920764185.1U
Authority: CN
Inventors: 宋顺生
Original assignee: Dalian Qishun Bearing Technology Co Ltd
Current assignee: Dalian Qishun Bearing Technology Co Ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-02-14
Anticipated expiration: 2029-05-27

Abstract

The utility model discloses a durable oxygen determination calibrator, which comprises a front shell, an isolation mechanism and a connecting mechanism, wherein a display screen is arranged on the top surface of the front shell, a key is arranged on the middle surface of the front shell, a connecting hole is arranged on the bottom surface of the front shell, a rear shell is arranged on one side of the front shell, and a PCB is arranged between the front shell and the rear shell; the isolating mechanism comprises an I-shaped buffer part in the PCB, a first buffer ring is arranged at the top of the I-shaped buffer part, and a second buffer ring is arranged at the bottom end of the I-shaped buffer part; through making the PCB board isolated by the bolster, make the PCB board not direct contact shell body, when the shell body received the striking, the impact force can cushion through the bolster to reach the purpose of protection PCB board and component.

Description

Durable type oxygen check gauge

Technical Field

The utility model belongs to the technical field of decide oxygen check gauge, concretely relates to durable type decides oxygen check gauge.

Background

The oxygen determination calibrator is suitable for fast and accurately determining the total oxygen content and the oxygen content of oxide inclusion in steel, copper, zirconium, titanium, various alloys, ceramics and other inorganic matters, and is widely applied to the instrument production industry.

The PCB inside the existing handheld oxygen determination calibrator is directly contacted with the outer shell, and when the outer shell is impacted, impact force is directly transmitted to the PCB, so that elements on the PCB are insensitive; and when the calibrator is held by hands for testing, the calibrator is easy to slip off carelessly from the hands to cause damage, so that a durable oxygen determination calibrator is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a durable oxygen determination calibration instrument, which aims to solve the problems that the prior handheld oxygen determination calibration instrument provided by the background art has direct contact between the PCB and the outer shell, and when the outer shell is impacted, the impact force is directly transmitted to the PCB, so that the elements on the PCB are insensitive; and when the check meter is held by hand for testing, the check meter is easy to slip off carelessly from the hand to cause damage.

In order to achieve the above object, the utility model provides a following technical scheme: a durable oxygen determination calibrator comprises a front shell, an isolation mechanism and a connecting mechanism, wherein a display screen is arranged on the top surface of the front shell, a key is arranged on the middle surface of the front shell, a connecting hole is formed in the bottom surface of the front shell, a rear shell is arranged on one side of the front shell, and a PCB is arranged between the front shell and the rear shell;

the isolating mechanism comprises an I-shaped buffer part in the PCB, a first buffer ring is arranged at the top of the I-shaped buffer part, a second buffer ring is arranged at the bottom end of the I-shaped buffer part, bolts are arranged in the first buffer ring, the I-shaped buffer part and the second buffer ring, and a screw groove is formed in the rear shell corresponding to the position of the bolt;

the connecting mechanism comprises a guide rail on the outer side surface of the rear shell, an external connecting seat is arranged on the outer side of the guide rail, and a ring is arranged inside the external connecting seat.

Furthermore, the ring is a circular rubber component, and the ring and the external seat are bonded and fixed through strong glue.

Furthermore, the guide rail and the rear shell are of an integrated structure, and the external base and the guide rail are fixed through sliding clamping.

Furthermore, the PCB and the rear shell are fixed by penetrating the first buffer ring, the I-shaped buffer piece and the second buffer ring through bolts and then screwing the PCB into the screw groove.

Furthermore, the thickness of the second buffer ring is slightly thicker than that of the first buffer ring, and the inner diameters of the first buffer ring, the I-shaped buffer piece and the second buffer ring are the same.

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

1. the utility model discloses in, through making the PCB board isolated by the bolster, make the PCB board not direct contact shell body, when the shell body received the striking, the impact force can cushion through the bolster to reach the purpose of protection PCB board and component.

2. The utility model discloses in, through the connecting seat that sets up, can make hand and check gauge combine closely, reduce the risk that the check gauge slided from the hand to reach the purpose of protection check gauge.

Drawings

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

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

FIG. 3 is an enlarged schematic view of the area A of the present invention;

FIG. 4 is a schematic view of the connecting seat structure of the present invention;

in the figure: 1. a display screen; 2. a front housing; 3. connecting holes; 4. pressing a key; 5. a PCB board; 6. a rear housing; 7. an external connection seat; 8. a guide rail; 9. a first buffer ring; 10. a bolt; 11. a screw groove; 12. a second buffer ring; 13. an I-shaped buffer part; 14. a finger ring.

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. 1-4, the present invention provides a technical solution: a durable oxygen determination calibrator comprises a front shell 2, an isolation mechanism and a connection mechanism, wherein a display screen 1 is arranged on the top surface of the front shell 2, a key 4 is arranged on the middle surface of the front shell 2, a connection hole 3 is arranged on the bottom surface of the front shell 2, a rear shell 6 is arranged on one side of the front shell 2, and a PCB 5 is arranged between the front shell 2 and the rear shell 6;

the isolating mechanism comprises an I-shaped buffer part 13 in the PCB 5, a first buffer ring 9 is arranged at the top of the I-shaped buffer part 13, a second buffer ring 12 is arranged at the bottom end of the I-shaped buffer part 13, bolts 10 are arranged in the first buffer ring 9, the I-shaped buffer part 13 and the second buffer ring 12, and a screw groove 11 is formed in the rear shell 6 corresponding to the position of the bolt 10;

the connecting mechanism comprises a guide rail 8 on the outer side surface of the rear shell 6, an external connecting seat 7 is arranged on the outer side of the guide rail 8, and a finger ring 14 is arranged inside the external connecting seat 7.

In order to protect the fingers, in the present embodiment, the finger ring 14 is a circular rubber member, and the finger ring 14 and the external connection seat 7 are fixed by strong glue.

In order to facilitate the fixing of the external seat 7, in this embodiment, the guide rail 8 and the rear housing 6 are integrated, and the external seat 7 and the guide rail 8 are fixed by sliding and engaging.

In order to isolate the PCB board 5, in the present embodiment, the PCB board 5 and the rear housing 6 are further fixed by a bolt 10 penetrating through the first cushion ring 9, the "i" cushion 13 and the second cushion ring 12 and then being screwed into the screw groove 11.

In order to facilitate the insertion of the bolt 10 into the first cushion ring 9, the "i" shaped cushion 13 and the second cushion ring 12, in this embodiment, the thickness of the second cushion ring 12 is slightly thicker than that of the first cushion ring 9, and the inner diameters of the first cushion ring 9, the "i" shaped cushion 13 and the second cushion ring 12 are the same.

The utility model discloses a theory of operation and use flow: the other four fingers except the thumb are inserted into the ring 14, then the thumb is placed on the surface of the front shell 2, the hand is fixed with the calibrator, then one end of the probe is inserted into the hole 3 through the connecting wire for connection, then the probe is used for oxygen content detection, the final detection result can be displayed on the surface of the display screen 1, when the rear shell 6 is impacted by external force, only a small part of impact force is transmitted to the PCB 5 from the connection part of the rear shell 6 and the PCB 5 due to the isolation of the PCB 5 and the rear shell 6, and the small part of component force can be further buffered and weakened through the first buffer ring 9, the I-shaped buffer member 13 and the second buffer ring 12 at the connection part of the PCB 5 and the rear shell 6, so that the purpose of protecting the PCB 5 is achieved, and the sensitivity of elements on the surface of the PCB 5 is ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A durable type oxygen determination check gauge, includes procapsid (2), its characterized in that: the display device is characterized by further comprising an isolation mechanism and a connecting mechanism, wherein a display screen (1) is arranged on the top end surface of the front shell (2), a key (4) is arranged on the middle surface of the front shell (2), a connecting hole (3) is formed in the bottom end surface of the front shell (2), a rear shell (6) is arranged on one side of the front shell (2), and a PCB (printed circuit board) (5) is arranged between the front shell (2) and the rear shell (6);

the isolating mechanism comprises an I-shaped buffer piece (13) in the PCB (5), a first buffer ring (9) is arranged at the top of the I-shaped buffer piece (13), a second buffer ring (12) is arranged at the bottom end of the I-shaped buffer piece (13), bolts (10) are arranged in the first buffer ring (9), the I-shaped buffer piece (13) and the second buffer ring (12), and a screw groove (11) is formed in the rear shell (6) corresponding to the position of the bolt (10);

the connecting mechanism comprises a guide rail (8) on the outer side surface of the rear shell (6), an external connecting seat (7) is arranged on the outer side of the guide rail (8), and a finger ring (14) is arranged inside the external connecting seat (7).

2. A durable oxygen determination calibrator according to claim 1, wherein: the ring (14) is a circular rubber component, and the ring (14) and the external connection seat (7) are bonded and fixed through strong glue.

3. A durable oxygen determination calibrator according to claim 1, wherein: the guide rail (8) and the rear shell (6) are of an integrated structure, and the external base (7) and the guide rail (8) are fixed through sliding clamping.

4. A durable oxygen determination calibrator according to claim 1, wherein: the PCB (5) and the rear shell (6) penetrate through the first buffer ring (9), the I-shaped buffer piece (13) and the second buffer ring (12) through bolts (10) and then are screwed into the thread groove (11) for fixing.

5. A durable oxygen determination calibrator according to claim 1, wherein: the thickness of the second buffer ring (12) is slightly thicker than that of the first buffer ring (9), and the inner diameters of the first buffer ring (9), the I-shaped buffer piece (13) and the second buffer ring (12) are the same.