CN213455836U

CN213455836U - Vibration transmitter

Info

Publication number: CN213455836U
Application number: CN202022200998.3U
Authority: CN
Inventors: 董毅
Original assignee: Shenyang Vibrotech Instruments Co ltd
Current assignee: Shenyang Vibrotech Instruments Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-06-15
Anticipated expiration: 2030-09-29

Abstract

The utility model provides a vibration transmitter, include: cable and vibration changer body, the vibration changer body includes: a first housing, a second housing and a circuit board; the first shell is provided with an opening at one end, the second shell is provided with openings at two ends, the open end of the first shell is connected with the open end of the second shell, the circuit board is arranged in the first shell, and the cable penetrates from the other open end of the second shell and is connected with the circuit board. The utility model discloses be in the same place vibration changer and cable integration, there is not the wiring link for every vibration changer all carries the cable of different length, and with the confession user directly uses, has removed the loaded down with trivial details procedure of connecting cable on every vibration changer from the work progress, has saved the engineering time.

Description

Vibration transmitter

Technical Field

The utility model relates to a changer field especially relates to a vibration changer.

Background

The vibration transmitter is divided into a split type and an integrated type and is mainly used for detecting absolute vibration of rotary machinery, such as casing vibration, bearing bush vibration, mechanical vibration and the like.

Among the prior art, when overhauing the installation, the great occupation space of casing volume, user when using, horizontal wiring mouth is sheltered from by other devices, and wiring mouth space narrowly leads to the installation difficulty, and explosion-proof grade is not enough simultaneously, and the unable normal work of transmitter body in often abominable operational environment, and then influences the performance and the life of equipment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a vibration transmitter to overcome above-mentioned technical problem.

The utility model provides a vibration transmitter, include: cable and vibration changer body, the vibration changer body includes: a first housing, a second housing and a circuit board;

the first shell is provided with an opening at one end, the second shell is provided with openings at two ends, the open end of the first shell is connected with the open end of the second shell, the circuit board is arranged in the first shell, and the cable penetrates from the other open end of the second shell and is connected with the circuit board.

Further, the first shell is a cylinder, an external thread is arranged at the opening end of the first shell, and the first shell is in threaded connection with the second shell.

Further, the second housing includes: the device comprises a first cylinder and a second cylinder, wherein the first cylinder and the second cylinder are cylinders and are integrally formed; the first cylinder and the second cylinder are communicated with each other.

Further, the first cylinder and the second cylinder are concentric with a central axis.

Further, the second cylinder is in threaded pair connection with the second shell, and the sum of the thickness m of the side wall of the first shell provided with the external thread and the thickness n of the side wall of the second shell provided with the external thread is equal to the thickness h of the side wall of the first shell not provided with the thread.

Further, the outer wall of the first cylinder body is provided with a second groove on the whole circumference.

Further, still include: sealing the plug and the reducer union;

the sealing plug is arranged in the first barrel and sleeved on the cable;

the reducing joint is connected with the first cylinder thread pair.

Further, a first groove is formed at the joint of the side wall and the bottom of the first shell; the first shell is filled with epoxy resin.

Further, the width a of the thread on the first cylinder and the width b of the thread on the second cylinder are not less than 18 mm;

the number of thread occlusion buckles of the second cylinder and the first shell is not less than 8;

the number of thread occlusion buckles of the reducing joint and the first cylinder is not less than 8.

The utility model discloses be in the same place vibration changer and cable integration, there is not the wiring link for every vibration changer all carries the cable of different length, and with the confession user directly uses, has removed the loaded down with trivial details procedure of connecting cable on every vibration changer from the work progress, has saved the engineering time.

Drawings

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

FIG. 1 is a side cross-sectional view of an embodiment of the present invention;

FIG. 2 is a side cross-sectional view of a first housing in accordance with an embodiment of the present invention;

FIG. 3 is a side cross-sectional view of a second housing in accordance with an embodiment of the present invention;

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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. 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.

The utility model provides a vibration transmitter makes the cable and vibration transmitter integrated together, has saved the procedure of carrying out the field installation respectively to cable and vibration transmitter, as shown in FIG. 1, include: cable 1 and vibration transmitter, vibration transmitter includes: a first case 2, a second case 3, and a circuit board 5;

the utility model discloses a cable, including first casing 2, second casing 3, circuit board 5, cable 1, first casing 2 one end opening, second casing 3 both ends opening, the open end of first casing 2 with an open end of second casing 3 is connected, circuit board 5 set up in first casing 2, cable 1 follows another open end of second casing 3 penetrate and with circuit board 5 is connected.

Further, first casing 2 is the cylinder, the open end of first casing 2 is provided with the external screw thread,

first casing

2 and 3 screw thread pair of second casing are connected.

Further, as shown in fig. 3, the second housing 3 includes: the device comprises a first barrel body 3.1 and a second barrel body 3.2, wherein the first barrel body 3.1 and the second barrel body 3.2 are cylinders, and the first barrel body 3.1 and the second barrel body 3.2 are integrally formed; the first cylinder 3.1 and the second cylinder 3.2 are communicated internally.

Specifically, the first shell 2 and the second shell 3 are both cylinders made of stainless steel, the top end of the first shell 2 is open, and the outer wall of the top end of the first shell is provided with external threads; two ends of the second shell 3 are opened, an internal thread is arranged at one open end of the second shell 3, and the first shell 2 is in threaded connection with the second shell 3; the circuit board 5 is fixedly arranged in the first shell 2, and the cable 1 penetrates from the first cylinder 3.1 of the second shell 3 and is connected with the circuit board 5 in the first shell 2.

Further, the first cylinder 3.1 and the second cylinder 3.2 are coaxial, and the outer diameter e of the first cylinder 3.1 is smaller than the outer diameter f of the second cylinder 3.2; the inner diameter c of the first cylinder 3.1 is smaller than the inner diameter d of the second cylinder 3.2.

Further, the second cylinder 3.2 is in thread pair connection with the second housing 3, and the sum of the thickness m of the side wall provided with the external thread of the first housing 2 and the thickness n of the side wall provided with the external thread of the second housing 3 is equal to the thickness h of the side wall of the first housing 2 without the thread.

Specifically, as shown in fig. 2 and 3, since the circuit board 5 and the like are provided in the second housing 3, the first housing 2 is used only for protecting the cable 1, and the ground second cylindrical body 3.2 of the first housing 2 is connected to the second housing 3, the outer diameter e of the first cylindrical body 3.1 that houses the cable 5 is smaller than the outer diameter f of the second cylindrical body 3.2, and the inner diameter c of the first cylindrical body 3.1 is smaller than the inner diameter d of the second cylindrical body 3.2, in order to save material cost.

Further, for the purpose of reducing the mass of the vibration transmitter, on the premise of ensuring the protection function of the vibration transmitter on the cable, the outer wall of the first cylinder 3.1 is provided with a second groove 2.13.3 on the whole circumference.

Further, still include: a sealing plug 7 and a reducer union 4; the sealing plug 7 is arranged in the first barrel 3.1, and the sealing plug 7 is sleeved on the cable 1; the reducing joint 4 is connected with the first cylinder 3.1 through a thread pair.

Particularly, sealed end cap 7 with first barrel 3.1 interference fit, sealed end cap 7 cover is located cable 1 is last, sealed end cap 7 can be with the stable fastening of cable 5 in first barrel 3.1, prevents when cable 5 rocks, plays the sealed effect to circuit board in the first casing 2, prevents that external rainwater from getting into in the first casing 2, causes the harm to circuit board 5.

Further, a first groove 2.1 is arranged at the joint of the side wall and the bottom of the first shell 2; the first housing 2 is filled with epoxy resin 6.

Specifically, as shown in fig. 1 and 2, in order to further protect and fix the circuit board 5, the first housing 2 is filled with the epoxy resin 6, the first groove 2.1 is formed at the joint of the side wall and the bottom of the first housing 2, the filled epoxy resin 6 is also filled in the first groove 2.1, and after the epoxy resin 6 is solidified, the whole epoxy resin filling body cannot be separated from the first housing 2 through a part of the epoxy resin clamped in the first groove 2.1.

Further, in order to improve the overall explosion-proof grade of the vibration transmitter, the first shell 2 and the second shell 3 can be tightly connected, and the width a of the thread on the first cylinder 3.1 and the width b of the thread on the second cylinder 3.2 are not less than 18 mm; the number of the thread snap fasteners of the second cylinder 3.2 and the first shell 2 is not less than 8; the thread snap-in number of the reducing joint 4 and the first cylinder 3.1 is not less than 8.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A vibration transmitter, comprising: cable (1) and vibration transmitter body, the vibration transmitter body includes: a first housing (2), a second housing (3) and a circuit board (5);

the cable is characterized in that one end of the first shell (2) is open, two ends of the second shell (3) are open, the open end of the first shell (2) is connected with the open end of the second shell (3), the circuit board (5) is arranged in the first shell (2), and the cable (1) penetrates into the other open end of the second shell (3) and is connected with the circuit board (5).

2. Vibration transmitter according to claim 1, characterized in that the first housing (2) is a cylinder, the open end of the first housing (2) is provided with an external thread, and the first housing (2) is in threaded connection with the second housing (3).

3. Vibration transmitter according to claim 2, characterized in that said second housing (3) comprises: the device comprises a first cylinder (3.1) and a second cylinder (3.2), wherein the first cylinder (3.1) and the second cylinder (3.2) are cylinders, and the first cylinder (3.1) and the second cylinder (3.2) are integrally formed; the first cylinder (3.1) and the second cylinder (3.2) are communicated with each other.

4. Vibration transmitter according to claim 3, characterized in that the first cylinder (3.1) and the second cylinder (3.2) are concentric.

5. Vibration transmitter according to claim 4, characterized in that the second cylinder (3.2) is in threaded pair connection with the second housing (3), the sum of the thickness m of the side wall of the first housing (2) provided with the external thread and the thickness n of the side wall of the second housing (3) provided with the external thread being equal to the thickness h of the side wall of the first housing (2) not provided with the threads.

6. Vibration transmitter according to claim 5, characterized in that the outer wall of the first cylinder (3.1) is provided with a second groove(s) all around3.3)。

7. The vibration transmitter of claim 6, further comprising: a sealing plug (7) and a reducer union (4);

the sealing plug (7) is arranged in the first barrel (3.1), and the sealing plug (7) is sleeved on the cable (1);

the reducing joint (4) is connected with the first cylinder (3.1) through a thread pair.

8. Vibration transmitter according to claim 7, characterized in that a first recess (2.1) is provided at the junction of the side wall and the bottom of the first housing (2); the first shell (2) is filled with epoxy resin (6).

9. Vibration transmitter according to claim 8, characterized in that the width a of the thread on the first cylinder (3.1) and the width b of the thread on the second cylinder (3.2) are not smaller than 18 mm;

the number of thread occlusion buckles of the second cylinder (3.2) and the first shell (2) is not less than 8;

the number of thread snap-in buckles of the reducing joint (4) and the first cylinder (3.1) is not less than 8.