CN210242911U

CN210242911U - Explosion-proof type pressure liquid level changer

Info

Publication number: CN210242911U
Application number: CN201921532177.0U
Authority: CN
Inventors: Peiguang Ouyang; 欧阳培光
Original assignee: Hangzhou Haishenghai Intelligence Network Technology Co ltd
Current assignee: Hangzhou Haishenghai Intelligence Network Technology Co ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-04-03
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses an explosion-proof pressure liquid level transmitter, which comprises a transmitter shell, an explosion-proof rib and a cover arranged on the explosion-proof rib; a containing cavity is formed in the outer shell of the transmitter, an explosion-proof rib is arranged in the containing cavity, and an explosion-proof cavity is isolated in the containing cavity by the explosion-proof rib; a first connecting rib is arranged at the connecting part of the explosion-proof rib and the transmitter shell, and the width of the first connecting rib is equal to 2 times of the width of the middle part of the explosion-proof rib; the anti-explosion rib further comprises a reinforcing rib, a threaded hole is formed in the reinforcing rib, and the width of the reinforcing rib is equal to the sum of the width of the threaded hole and the width of the middle part of the anti-explosion rib; explosion-proof rib with clearance packing between the changer shell body has the gluey sealing block, solves the poor problem of current changer explosion-proof effect.

Description

Explosion-proof type pressure liquid level changer

[ technical field ] A method for producing a semiconductor device

The utility model relates to a changer technical field especially relates to an explosion-proof type pressure liquid level transmitter.

[ background of the invention ]

With the progress of modern industry, more and more electrical equipment is used in production, under the environment with inflammable and explosive gases, when the explosion limit is reached, the electric sparks generated under any condition are easy to explode, so that serious production safety accidents are caused.

Patent document No. CN106786258B discloses an explosion-proof junction box, which includes: the box body is provided with a plurality of wire inlet pipes, each wire inlet pipe comprises an inner nut and an outer screw rod, the inner nuts are fixedly connected to the box body, one end of each inner nut extends out of the box body, the inner side surface of each inner nut is sequentially provided with a first inner circular surface, a step surface and an inner thread section from inside to outside along the axial direction, the direction from the inner side to the outer side of the box body is indicated from inside to outside, the inner diameter of each step surface is larger than that of the first inner circular surface, the inner thread section is provided with inner threads, and the inner thread sections are in a horn mouth shape gradually enlarged from inside to outside; the utility model discloses the interior nut and the outer screw of screwing each other compress tightly the cable wherein through the elasticity compression tube in the compression outer screw, then further fix locking with interior nut and outer screw with lock nut, prevent that in use vibrations or elasticity compression tube outside elasticity from throw off.

Above-mentioned scheme has realized the multiple seal to the import of box body, prevents that the electric spark in the box body from igniting the flammable explosive gas in the box body outside, but above-mentioned scheme does not consider if there is explosive article in the box body inside, for example the power in the box body takes place unexpected explosion, is used for sealed elastic material to lead to sealed effect to weaken after taking place ageing in addition.

[ Utility model ] content

An object of the utility model is to provide an explosion-proof type pressure liquid level transmitter to solve the explosion-proof poor problem of effect of current changer.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides an explosion-proof pressure liquid level transmitter, which comprises a transmitter shell, an explosion-proof rib and a cover arranged on the explosion-proof rib; a containing cavity is formed in the outer shell of the transmitter, an explosion-proof rib is arranged in the containing cavity, and an explosion-proof cavity is isolated in the containing cavity by the explosion-proof rib; a first connecting rib is arranged at the connecting part of the explosion-proof rib and the transmitter shell, and the width of the first connecting rib is equal to 2 times of the width of the middle part of the explosion-proof rib; the anti-explosion rib further comprises a reinforcing rib, a threaded hole is formed in the reinforcing rib, and the width of the reinforcing rib is equal to the sum of the width of the threaded hole and the width of the middle part of the anti-explosion rib; and a gap between the explosion-proof rib and the transmitter shell is filled with a rubber sealing block.

Preferably, one side of the cover is provided with a lower matching groove and an upper supporting block positioned above the lower matching groove; the upper part of the middle position of the explosion-proof rib is integrally formed with a positioning bulge, and the lower matching groove is matched with the positioning bulge.

Preferably, the cover is provided with a first through hole and a second through hole, and the position of the second through hole corresponds to the threaded hole.

Preferably, the cover is further provided with a cylinder, and the top of the cylinder is provided with a mounting hole.

Preferably, transmitter shell body one side is the opening, and the opening part has explosion-proof cover through threaded connection, be equipped with the visual window on the explosion-proof cover, install explosion-proof glass on the visual window.

Preferably, the side integrated into one piece has the spool on the changer shell body, it has the line hole to open on the spool, the line hole run through extremely appearance chamber in the changer shell body, the one end that the line hole inwards faces explosion-proof rib, explosion-proof rib surrounding form the clearance between the line hole and, install sealing joint on the outside port of line hole.

Preferably, the downside of changer shell body is equipped with down the line hole, down the line hole run through to exit in the changer shell body is equipped with the semicircle rib, the semicircle rib with the half slot that is equipped with on the lid corresponds.

Preferably, an opening of the transmitter shell is provided with an external thread and a groove, and the groove is sleeved with a sealing ring.

Preferably, one side of the transmitter shell is provided with a nameplate hole for mounting a nameplate.

The utility model has the advantages that:

1. through be equipped with in explosion-proof type pressure liquid level transmitter and hold the chamber and keep apart out explosion-proof chamber through explosion-proof rib, the transmitter shell body forms duplicate protection with explosion-proof rib, has greatly strengthened the explosion-proof effect of changer.

2. The first connecting rib is arranged at the connecting position of the explosion-proof rib and the transmitter shell, and the reinforcing rib is arranged on the explosion-proof rib, so that the strength of the explosion-proof rib is effectively improved.

3. The gap between the explosion-proof rib and the transmitter shell is filled with the rubber sealing block, so that the tightness of the transmitter is improved, and the buffer effect can be achieved during explosion.

[ description of the drawings ]

Fig. 1 is a schematic combination diagram of an explosion-proof pressure liquid level transmitter according to a first embodiment of the present invention;

fig. 2 is a schematic diagram of a combination of a transmitter housing and a cover according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a transmitter housing according to a first embodiment of the present invention;

fig. 4 is a schematic structural view of a cover according to a first embodiment of the present invention;

fig. 5 is a schematic structural view of a cover according to a first embodiment of the present invention;

fig. 6 is a front view of a transmitter housing according to a first embodiment of the present invention;

fig. 7 is a top view of a transmitter housing according to an embodiment of the present invention;

fig. 8 is a left side view of a transmitter housing according to a first embodiment of the present invention;

fig. 9 is a bottom view of the transmitter housing according to the first embodiment of the present invention.

Description of the reference numerals

1. A transmitter housing; 2. an explosion-proof cover; 3. a cover; 4. an explosion-proof rib; 5. a first connecting rib; 6. reinforcing ribs; 7. positioning the projection; 8. a threaded hole; 9. a conduit; 10. a wire hole; 11. a lower mating groove; 12. an upper support block; 13. a first through hole; 14. a cylinder; 15. a second through hole; 16. a semicircular groove; 17. a semicircular rib; 18. a second connecting rib; 19. an external thread; 20. a nameplate hole; 21. a visual window; 22. a lower line hole; 23. and (4) a groove.

[ detailed description ] embodiments

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

Example one

Fig. 1 is the embodiment of the present invention provides a combination schematic diagram of an explosion-proof pressure liquid level transmitter, the present invention discloses an explosion-proof pressure liquid level transmitter of preferred embodiment, including transmitter shell 1 and cover 3 installed on explosion-proof rib 4.

Referring to fig. 3 again, fig. 3 is a schematic diagram of a transmitter housing structure according to an embodiment of the present invention. The transmitter shell body 1 is internally provided with a containing cavity, an explosion-proof rib 4 is arranged in the containing cavity, the explosion-proof rib 4 separates an explosion-proof cavity in the containing cavity, and explosive articles are placed in the explosion-proof cavity.

It can be understood that, the side integrated into one piece of transmitter shell 1 has spool 9, the side of transmitter shell 1 in this embodiment is equipped with spool 9, open wire hole 10 that runs through transmitter shell 1 on spool 9, wire hole 10 one end inwards faces explosion-proof rib 4, explosion-proof rib 4 is surrounding wire hole 10, the clearance packing between explosion-proof rib 4 and transmitter shell 1 has the rubber seal piece, install sealing joint on the outside port of wire hole 10, wire hole 10 is used for the income of connecing of cable, wire hole 10 department and rather than the sealing joint on the outside port are the comparatively fragile part in the transmitter under the condition of blasting, through setting up explosion-proof rib 4 and having increased the one deck protection, can effectively absorb a part of explosion energy during the explosion, and the rubber seal piece of packing in the clearance can effectively play the cushioning effect.

Referring to fig. 6 again, fig. 6 is a front view of a transmitter housing according to an embodiment of the present invention. A first connecting rib 5 is arranged at the connecting part of the explosion-proof rib 4 and the transmitter shell 1, and the width of the first connecting rib 5 is equal to 2 times of the width of the middle part of the explosion-proof rib 4; the explosion-proof rib 4 further comprises a reinforcing rib 6, a threaded hole 8 is formed in the reinforcing rib 6, and the width of the reinforcing rib 6 is equal to the sum of the width of the threaded hole 8 and the width of the middle part of the explosion-proof rib 4; the anti-explosion rib 4 is strengthened by a specific numerical value at the position which is easy to bear the force, so that the material consumption is most saved under the condition of strengthening the strength, and the available space in the anti-explosion pressure liquid level transmitter box is maximized.

With reference to fig. 4 and 5, fig. 4 is a schematic diagram of a lid structure provided in the first embodiment of the present invention, and fig. 5 is a schematic diagram of a lid structure provided in the first embodiment of the present invention. One side of the cover 3 is provided with a lower matching groove 11 and an upper supporting block 12 positioned above the lower matching groove 11, the cover 3 is also provided with a cylinder 14, the top of the cylinder 14 is provided with a mounting hole, and the cover can be used for mounting a circuit board and a switching circuit.

Referring to fig. 2, 3 and 5, a positioning protrusion 7 is integrally formed on the upper portion of the middle position of the explosion-proof rib 4, and a lower engaging groove 11 is engaged with the positioning protrusion 7 for positioning the cover 3 and enhancing the constraint of the cover 3 in a certain direction.

Furthermore, a first through hole 13 and a second through hole 15 are formed in the cover 3, the position of the second through hole 15 corresponds to the position of the threaded hole 8, and the cover 3 is fixed on the explosion-proof rib 4 through screws.

Preferably, with reference to fig. 5 and 9, the lower side surface of the transmitter outer casing 1 is provided with a lower line hole 22, the outlet of the lower line hole 22 penetrating into the transmitter outer casing 1 is provided with a semicircular rib 17, and the semicircular rib 17 corresponds to the semicircular groove 16 formed in the cover 3, so as to facilitate the connection between the cover 3 and the explosion-proof rib 4.

Specifically, the cable in the explosion-proof cavity enters and exits through the first through hole 13 and is connected with other components in the transmitter outer shell 1.

Preferably, referring to fig. 7 and 8, one side of the transmitter outer shell 1 is an opening, the opening is connected with an explosion-proof cover 2 through threads, the explosion-proof cover 2 is provided with a visual window 21, explosion-proof glass is installed on the visual window 21, and the internal condition of the explosion-proof type pressure liquid level transmitter can be visually observed through the visual window 21.

Furthermore, an external thread 19 and a groove 23 are arranged on an opening of the transmitter shell 1, and a sealing ring is sleeved on the groove 23.

Furthermore, a nameplate hole 20 is formed in one side of the transmitter outer shell 1 for mounting a nameplate.

The foregoing is only a preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides an explosion-proof type pressure liquid level changer which characterized in that: the anti-explosion transmitter comprises a transmitter outer shell (1), an anti-explosion rib (4) and a cover (3) arranged on the anti-explosion rib (4);

an opening is formed in one side of the transmitter outer shell (1), a containing cavity is formed in the transmitter outer shell (1), an explosion-proof rib (4) is arranged in the containing cavity, and an explosion-proof cavity is isolated in the containing cavity by the explosion-proof rib (4);

a first connecting rib (5) is arranged at the connecting part of the explosion-proof rib (4) and the transmitter outer shell (1), and the width of the first connecting rib (5) is 2 times of the width of the middle part of the explosion-proof rib (4);

the anti-explosion rib (4) further comprises a reinforcing rib (6), a threaded hole (8) is formed in the reinforcing rib (6), and the width of the reinforcing rib (6) is equal to the sum of the width of the threaded hole (8) and the width of the middle part of the anti-explosion rib (4);

and a gap between the explosion-proof rib (4) and the transmitter outer shell (1) is filled with a rubber sealing block.

2. Explosion-proof pressure level transmitter according to claim 1, characterized in that: a lower matching groove (11) and an upper supporting block (12) positioned above the lower matching groove (11) are arranged on one side of the cover (3); the upper part of the middle position of the explosion-proof rib (4) is integrally formed with a positioning protrusion (7), and the lower matching groove (11) is matched with the positioning protrusion (7).

3. Explosion-proof pressure level transmitter according to claim 1, characterized in that: the cover (3) is provided with a first through hole (13) and a second through hole (15), and the position of the second through hole (15) corresponds to the threaded hole (8).

4. Explosion-proof pressure level transmitter according to claim 1, characterized in that: the cover (3) is also provided with a cylinder (14), and the top of the cylinder (14) is provided with a mounting hole.

5. Explosion-proof pressure level transmitter according to claim 1, characterized in that: the anti-explosion device is characterized in that one side of the transmitter outer shell (1) is provided with an opening, the opening is connected with an anti-explosion cover (2) through threads, a visual window (21) is arranged on the anti-explosion cover (2), and anti-explosion glass is arranged on the visual window (21).

6. Explosion-proof pressure level transmitter according to claim 1, characterized in that: the side integrated into one piece has spool (9) on the changer shell body (1), open wired hole (10) on spool (9), line hole (10) run through extremely appearance chamber in the changer shell body (1), line hole (10) one end facing inwards explosion-proof rib (4), explosion-proof rib (4) are surrounding form the clearance between line hole (10), install sealing joint on line hole (10) outside port.

7. Explosion-proof pressure level transmitter according to claim 1, characterized in that: the downside of changer shell body (1) is equipped with down line hole (22), down line hole (22) run through extremely exit in the changer shell body (1) is equipped with semicircle rib (17), semicircle rib (17) with half slot (16) that are equipped with on lid (3) are corresponding.

8. Explosion-proof pressure level transmitter according to claim 1, characterized in that: be equipped with external screw thread (19) and recess (23) on the opening of changer shell body (1), the cover has the sealing washer on recess (23).

9. Explosion-proof pressure level transmitter according to claim 1, characterized in that: data plate hole (20) have been seted up to one side of changer shell body (1) for the installation data plate.