CN213888616U

CN213888616U - Silicon nitride ceramic protection nozzle

Info

Publication number: CN213888616U
Application number: CN202022929866.4U
Authority: CN
Inventors: 刘名剑; 王征
Original assignee: Wuxi Tecceram Fine Ceramic Co ltd
Current assignee: Wuxi Tecceram Fine Ceramic Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-08-06
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a silicon nitride pottery protection nozzle belongs to silicon nitride pottery technical field, and it includes the nozzle body, the draw-in groove has all been seted up to the left and right sides face of nozzle body, the joint has latch mechanism in the draw-in groove, the latch mechanism joint is in the side of protective sheath, protective sheath and nozzle body overlap joint. This silicon nitride ceramic protection nozzle, through setting up the spring, the kelly, fly leaf and draw-in groove, stimulate two arm-tie simultaneously, then remove the protective sheath, when the kelly moves to the position corresponding with the draw-in groove, the arm-tie is loosened slowly, make the kelly block into in the draw-in groove under the effect of spring force, make the protective sheath install the surface at the nozzle body, for current protection nozzle, this protection nozzle does not need the rotating screw many times repeatedly alright install protective sheath and nozzle body together, and the operation is thus simple, make the nozzle body can be quick link together with the protective sheath, make this nozzle body can be convenient by the use.

Description

Silicon nitride ceramic protection nozzle

Technical Field

The utility model belongs to the technical field of the silicon nitride pottery, specifically be a silicon nitride pottery protection nozzle.

Background

Silicon nitride ceramic is an inorganic material ceramic which does not shrink when being sintered, the strength of silicon nitride is very high, particularly hot-pressed silicon nitride is one of the hardest substances in the world, and the silicon nitride ceramic has the properties of high strength, low density, high temperature resistance and the like, so most of the existing nozzles for welding automobile frames use silicon nitride ceramic protective nozzles.

In order to increase the scope of the coverage of argon gas among the welding process, avoid near the welding point local oxidation phenomenon to appear, therefore the surface of nozzle body is provided with the protective sheath, but present nozzle body is connected rather than through a plurality of screws and protective sheath, when needs install the protective sheath at the surface of nozzle body, the staff need many times rotating screw, it is comparatively troublesome to operate, the staff of being inconvenient for uses it, and current nozzle is connected unstablely with the protective sheath, consequently, need a silicon nitride ceramic protection nozzle to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above-mentioned defect of prior art, the utility model provides a silicon nitride pottery protection nozzle has solved current nozzle body and has mostly been connected with it through a plurality of screws and protective sheath, when needs install the protective sheath at the surface of nozzle body, the staff needs many times rotating screw, and the operation is comparatively troublesome, and the staff of being not convenient for uses it, and current nozzle is connected unstable problem with the protective sheath.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a silicon nitride pottery protection nozzle, includes the nozzle body, the draw-in groove has all been seted up to the left and right sides face of nozzle body, the joint has latch mechanism in the draw-in groove, the latch mechanism joint is in the side of protective sheath, protective sheath and nozzle body overlap joint, latch mechanism includes the sliding sleeve, the sliding sleeve joint is at the right flank of protective sheath, sliding connection has the slide bar in the sliding sleeve.

The both ends of slide bar respectively with the left surface of arm-tie and the right flank fixed connection of fly leaf, the surface of slide bar has cup jointed the spring, the both ends of spring respectively with the right flank of fly leaf and the right flank fixed connection of protective sheath inner wall, the left surface fixedly connected with kelly of fly leaf, the kelly joint is in the draw-in groove.

The lower surface of the nozzle body is provided with a plurality of limiting grooves, limiting blocks are clamped in the limiting grooves, the lower surfaces of the limiting blocks are fixedly connected with the upper surface of the fixing plate, the upper surface of the fixing plate is provided with a plurality of air outlets, and the air outlets are communicated with the air cavity.

As a further aspect of the present invention: the upper surface and the lower surface of fly leaf all fixedly connected with slider, slider sliding connection is in the spout, the opposite face at protective sheath inner wall is seted up to the spout.

As a further aspect of the present invention: the upper surface of the nozzle body is fixedly connected with a threaded cylinder, and the air cavity is located between the protective sleeve and the nozzle body.

As a further aspect of the present invention: the outer fixed surface of protective sheath is connected with the slipmat, the last fixed surface of protective sheath is connected with sealed the pad, sealed pad cup joints the surface at a screw thread section of thick bamboo.

As a further aspect of the present invention: the lower surface of the fixed plate is provided with a through hole, the upper surface of the fixed plate is fixedly connected with the lower surface of the protective sleeve, and the upper surface of the fixed plate is in lap joint with the lower surface of the nozzle body.

As a further aspect of the present invention: the left side of protective sheath has the intake pipe joint, the intake pipe is located between sliding sleeve and the slipmat.

(III) advantageous effects

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

1. this silicon nitride ceramic protection nozzle, through setting up the sliding sleeve, the slide bar, a spring, the kelly, fly leaf and draw-in groove, when needs install the protective sheath on the nozzle body, stimulate two arm-tie simultaneously, make cup joint the spring shrink on the slide bar surface, then remove the protective sheath, when the protective sheath drives the kelly and moves to the position corresponding with the draw-in groove, the slow arm-tie that loosens, make the kelly block into in the draw-in groove under the effect of spring force, make the protective sheath install the surface at the nozzle body, for current protection nozzle, this protection nozzle does not need the rotating screw many times alright install protective sheath and nozzle body together, and easy operation, make the nozzle body can be quick link together with the protective sheath, make this nozzle body can be convenient by the use.

2. This silicon nitride pottery protects nozzle, through setting up the stopper, the kelly, the draw-in groove, spacing groove and fixed plate, because of the stopper joint is at the spacing inslot, make stopper and spacing groove mutually support the accessible fixed plate and carry on spacingly to the bottom of protective sheath, because of the kelly joint is in the draw-in groove, make kelly and draw-in groove mutually support can carry on spacingly to the top of protective sheath, make the stopper, the spacing groove, kelly and draw-in groove mutually support and can carry on spacingly to the protective sheath, make the protective sheath can not remove on nozzle body axial direction when using, make the protective sheath can not rotate on nozzle body radial direction, make the surface at the nozzle of connection that the protective sheath can stabilize.

3. This silicon nitride ceramic protection nozzle, through sealed the pad, when nozzle body and external pipeline carry out threaded connection, the meeting of external pipeline and sealed pad contact to sealed pad extrudeing, make sealed pad can seal up the top of protective sheath and the clearance between the nozzle body, make the gas that has the gas cavity can not follow the top discharge of nozzle body.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view at a position a of the present invention;

FIG. 3 is a front view of the clamping mechanism of the present invention;

fig. 4 is a schematic structural view of the fixing plate of the present invention viewed from the bottom;

fig. 5 is a schematic sectional view of the nozzle body of the present invention;

in the figure: the nozzle comprises a nozzle body 1, a clamping groove 2, a clamping mechanism 3, a sliding sleeve 31, a sliding rod 32, a pulling plate 33, a movable plate 34, a clamping rod 35, a protective sleeve 4, a spring 5, a sliding block 6, a sliding groove 7, an air cavity 8, a sealing gasket 9, a threaded cylinder 10, a non-slip mat 11, a fixed plate 12, an air outlet hole 13, a limiting block 14, a limiting groove 15, a through hole 16 and an air inlet pipe 17.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-5, the utility model provides a technical solution: the utility model provides a silicon nitride pottery protection nozzle, including nozzle body 1, draw-in groove 2 has all been seted up to the left and right sides face of nozzle body 1, the joint has latch mechanism 3 in the draw-in

groove

2, 3 joints of latch mechanism are in the side of protective sheath 4,

protective sheath

4 and 1 overlap joint of nozzle body, latch mechanism 3 includes sliding sleeve 31, through setting up sliding sleeve 31, make sliding sleeve 31 can carry on spacingly to slide bar 32, make slide bar 32 can not take place to rock when the motion, make slide bar 32 can drive the steady motion of fly leaf 34, the right flank of sliding sleeve 31 joint at protective sheath 4, sliding connection has slide bar 32 in sliding sleeve 31.

The two ends of the sliding rod 32 are respectively fixedly connected with the left side surface of the pulling plate 33 and the right side surface of the movable plate 34, the outer surface of the sliding rod 32 is sleeved with the spring 5, the two ends of the spring 5 are respectively fixedly connected with the right side surface of the movable plate 34 and the right side surface of the inner wall of the protective sleeve 4, the left side surface of the movable plate 34 is fixedly connected with the clamping rod 35, and the clamping rod 35 is clamped in the clamping groove 2.

A plurality of limiting grooves 15 are formed in the lower surface of the nozzle body 1, limiting blocks 14 are clamped in the limiting grooves 15, the lower surfaces of the limiting blocks 14 are fixedly connected with the upper surface of the fixing plate 12, a plurality of air outlets 13 are formed in the upper surface of the fixing plate 12, and the air outlets 13 are communicated with the air cavity 8.

Specifically, as shown in fig. 1, the last fixed surface of nozzle body 1 is connected with a screw thread section of thick bamboo 10, air cavity 8 is located between protective sheath 4 and the nozzle body 1, the outer fixed surface of protective sheath 4 is connected with slipmat 11, through setting up kelly 35, because of the joint of kelly 35 is in draw-in groove 2, make kelly 35 and draw-in groove 2 mutually support and can fix protective sheath 4, the sealed pad 9 of last fixed surface of protective sheath 4 is connected with, sealed pad 9 cup joints the surface at screw thread section of thick bamboo 10, through-hole 16 has been seted up to the lower surface of fixed plate 12, the upper surface of fixed plate 12 and the lower fixed surface of protective sheath 4 are connected, the upper surface of fixed plate 12 and the lower fixed surface overlap joint of nozzle body 1, the left surface joint of protective sheath 4 has intake pipe 17, intake pipe 17 is located between sliding sleeve 31 and slipmat 11.

Specifically, as shown in fig. 2, the upper surface and the lower surface of the movable plate 34 are fixedly connected with the sliding block 6, the sliding block 6 is slidably connected in the sliding groove 7, through the arrangement of the sliding block 6 and the sliding groove 7, the sliding block 6 and the sliding groove 7 are slidably connected in the sliding groove 7, so that the movable plate 34 can be limited by the sliding block 6 and the sliding groove 7, the movable plate 34 cannot shake during movement, the movable plate 34 can drive the stable movement of the clamping rod 35, the clamping rod 35 can be accurately clamped into the clamping groove 2, and the sliding groove 7 is arranged on the opposite surface of the inner wall of the protective sleeve 4.

The utility model discloses a theory of operation does:

when the protective sheath 4 is required to be installed on the nozzle body 1, two pulling plates 33 are pulled simultaneously, so that the pulling plates 33 drive the sliding rods 32 to be away from each other, so that the sliding rods 32 drive the clamping rods 35 to be away from each other through the movable plates 34, so that the springs 5 sleeved on the surfaces of the sliding rods 32 contract, then the protective sheath 4 is moved, the protective sheath 4 drives the fixed plate 12 to move upwards, so that the fixed plate 12 drives the limiting blocks 14 to move into the limiting grooves 15, when the protective sheath 4 drives the clamping rods 35 to move to the positions corresponding to the clamping grooves 2, the pulling plates 33 are loosened slowly, so that the movable plates 34 drive the clamping rods 35 to be close to each other under the action of the elastic force of the springs 5, and the clamping rods 35 are clamped into the clamping grooves 2.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A silicon nitride ceramic protection nozzle, includes nozzle body (1), its characterized in that: the nozzle comprises a nozzle body (1), wherein clamping grooves (2) are formed in the left side surface and the right side surface of the nozzle body (1), a clamping mechanism (3) is clamped in the clamping grooves (2), the clamping mechanism (3) is clamped on the side surface of a protective sleeve (4), the protective sleeve (4) is in lap joint with the nozzle body (1), the clamping mechanism (3) comprises a sliding sleeve (31), the sliding sleeve (31) is clamped on the right side surface of the protective sleeve (4), and a sliding rod (32) is slidably connected in the sliding sleeve (31);

the two ends of the sliding rod (32) are fixedly connected with the left side surface of the pulling plate (33) and the right side surface of the movable plate (34) respectively, the outer surface of the sliding rod (32) is sleeved with a spring (5), the two ends of the spring (5) are fixedly connected with the right side surface of the movable plate (34) and the right side surface of the inner wall of the protective sleeve (4) respectively, the left side surface of the movable plate (34) is fixedly connected with a clamping rod (35), and the clamping rod (35) is clamped in the clamping groove (2);

the lower surface of the nozzle body (1) is provided with a plurality of limiting grooves (15), limiting blocks (14) are connected in the limiting grooves (15) in a clamping mode, the lower surfaces of the limiting blocks (14) are fixedly connected with the upper surface of a fixing plate (12), the upper surface of the fixing plate (12) is provided with a plurality of air outlets (13), and the air outlets (13) are communicated with an air cavity (8).

2. A silicon nitride ceramic protection nozzle as claimed in claim 1, wherein: the upper surface and the lower surface of fly leaf (34) all fixedly connected with slider (6), slider (6) sliding connection is in spout (7), the opposite face at protective sheath (4) inner wall is seted up in spout (7).

3. A silicon nitride ceramic protection nozzle as claimed in claim 1, wherein: the upper surface of the nozzle body (1) is fixedly connected with a threaded cylinder (10), and the air cavity (8) is located between the protective sleeve (4) and the nozzle body (1).

4. A silicon nitride ceramic protection nozzle as claimed in claim 1, wherein: the outer fixed surface of protective sheath (4) is connected with slipmat (11), the last fixed surface of protective sheath (4) is connected with sealed pad (9), sealed pad (9) cup joint the surface at threaded section of thick bamboo (10).

5. A silicon nitride ceramic protection nozzle as claimed in claim 1, wherein: through-hole (16) have been seted up to the lower surface of fixed plate (12), the upper surface of fixed plate (12) is connected with the lower fixed surface of protective sheath (4), the upper surface of fixed plate (12) and the lower surface overlap joint of nozzle body (1).

6. A silicon nitride ceramic protection nozzle as claimed in claim 1, wherein: the left side face of protective sheath (4) has connect intake pipe (17) in a clamping manner, intake pipe (17) are located between sliding sleeve (31) and non slipping mat (11).