CN219453186U - Vacuum pipeline suitable for vacuum furnace - Google Patents

Abstract

The utility model relates to the technical field of pipeline connection, in particular to a vacuum pipeline suitable for a vacuum furnace. According to the utility model, the spring is fixedly connected with the inner wall of the chute, so that the spring is stressed and compressed, then a user rotates the rotating ring to enable the two clamping blocks to be movably clamped in the clamping grooves respectively, the two clamping blocks are dislocated with the two stop blocks at the moment, the two stop blocks are reset by utilizing the elastic resetting action of the spring, the two stop blocks are inserted into the grooves at the moment, the two stop blocks are blocked by the stop blocks, and the clamping blocks are not separated from the clamping grooves, so that the connection and fixation of the rotating ring and the connecting ring are completed, the connection and fixation of the flange I and the flange II are reinforced, the situation that leakage is generated between the flange I and the flange II due to loosening of bolts is prevented, and the connection stability of the vacuum pipeline main body and the connecting pipe is ensured.

Description

Vacuum pipeline suitable for vacuum furnace

Technical Field

The utility model relates to the technical field of pipeline connection, in particular to a vacuum pipeline suitable for a vacuum furnace.

Background

The vacuum furnace is characterized in that a vacuum system (which is formed by carefully assembling elements such as a vacuum pump, a vacuum measuring device, a vacuum valve and the like) is utilized in a specific space of the furnace chamber to discharge partial substances in the furnace chamber, so that the pressure in the furnace chamber is smaller than a standard atmospheric pressure, and the vacuum state is realized in the space in the furnace chamber, namely the vacuum furnace, and a vacuum pipeline is needed when the vacuum furnace is vacuumized.

At present, the vacuum pipeline suitable for the vacuum furnace in the market still has some defects, for example, after a long-term use, the connection part of the vacuum pipeline and the pipeline on the vacuum furnace is easy to loosen, so that the connection part generates air leakage, and the normal use of the vacuum furnace is influenced.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a vacuum pipeline suitable for a vacuum furnace.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a vacuum pipe suitable for vacuum furnace, includes vacuum pipe main part and connecting pipe, fixed mounting has flange one in the vacuum pipe main part, fixed mounting has flange two on the connecting pipe, flange one and two internal thread connection have the bolt, fixed the cup joint the go-between on the flange two, the spout has all been seted up to the both sides of go-between side surface, two the draw-in groove has all been seted up to the lateral wall of spout, two equal slidable mounting has the dog in the spout, the swivel becket has been cup jointed in the activity on flange one, the equal fixed mounting of both sides tip of swivel becket has the fixture block, two the fixture block is movable grafting respectively in the spout to rotatory joint respectively in the draw-in groove, be provided with the sealing washer between swivel becket and the go-between.

As a preferable technical scheme of the utility model, a limiting ring is fixedly sleeved on the first flange, an annular groove is formed in the inner wall surface of the rotating ring, and the limiting ring is rotatably arranged in the annular groove.

As a preferable technical scheme of the utility model, the surfaces of the two stop blocks are provided with grooves, and the two stop blocks are respectively and movably sleeved at the end parts of the two clamping blocks.

As a preferable technical scheme of the utility model, the end parts of the two stop blocks are fixedly provided with round rods, and the two round rods respectively penetrate through the inner wall of the chute.

As a preferable technical scheme of the utility model, springs are interactively sleeved on the two round rods, and the two stop blocks are fixedly connected with the inner wall of the chute through the springs respectively.

As a preferable technical scheme of the utility model, limiting blocks are fixedly arranged at the end parts of the two round rods, and the two limiting blocks are arranged at the outer sides of the connecting rings.

Compared with the prior art, the utility model has the following beneficial effects:

1. through the inner wall fixed connection of spring and spout for the spring atress is compressed, then the user rotates the swivel becket through rotating, make two fixture blocks rotate, make two fixture blocks activity joint respectively in the draw-in groove, two fixture blocks can misplace with two dog this moment, utilize the elasticity reset action of spring, make two dog reset, two fixture blocks will insert in the recess this moment, two fixture blocks will receive the blockking of dog, make the fixture block can not break away from the draw-in groove, thereby accomplish the fixed with being connected of swivel becket and go-between, thereby the fixed with being connected of flange two has been consolidated, prevent that the bolt is lax to lead to producing the condition of leaking between flange one and the flange two, the comparatively stable that vacuum pipe main part and connecting pipe are connected has been guaranteed.

2. The rotary ring is rotatably arranged in the annular groove through the limiting ring, the limiting effect on the rotary ring is achieved, the rotary ring is prevented from being separated from the flange I, and the sealing ring is arranged between the rotary ring and the connecting ring, so that the tightness of the joint of the vacuum pipeline main body and the connecting pipe is improved, and the stable use of the vacuum furnace is ensured.

Drawings

FIG. 1 is a schematic view of a vacuum pipe suitable for a vacuum furnace according to the present utility model;

FIG. 2 is a schematic view of a rotary ring according to the present utility model;

FIG. 3 is a schematic view of the connecting ring of the present utility model in cross section;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

Wherein: 1. a vacuum pipe body; 11. a first flange; 12. a bolt; 13. a limiting ring; 2. a connecting pipe; 21. a second flange; 3. a connecting ring; 31. a chute; 32. a clamping groove; 33. a stop block; 34. a groove; 35. a round bar; 36. a spring; 37. a limiting block; 4. a seal ring; 5. a rotating ring; 51. a clamping block; 52. an annular groove.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a vacuum pipeline suitable for a vacuum furnace comprises a vacuum pipeline main body 1 and a connecting pipe 2, wherein a flange I11 is fixedly installed on the vacuum pipeline main body 1, a flange II 21 is fixedly installed on the connecting pipe 2, a limit ring 13 is fixedly sleeved on the inner wall surface of the rotating ring 5, a connecting ring 3 is fixedly sleeved on the flange II 21, sliding grooves 31 are formed on two sides of the side surface of the connecting ring 3, clamping grooves 32 are formed on the side wall surfaces of the two sliding grooves 31, a stop block 33 is slidably installed in the two sliding grooves 31, a rotating ring 5 is movably sleeved on the flange I11, clamping blocks 51 are fixedly installed at two side ends of the rotating ring 5, the two clamping blocks 51 are movably spliced in the sliding grooves 31 respectively and are rotatably clamped in the clamping grooves 32 respectively, a sealing ring 4 is arranged between the rotating ring 5 and the connecting ring 3, a limit ring 13 is fixedly sleeved on the flange I11, an annular groove 52 is formed on the inner wall surface of the rotating ring 5, grooves 52 are rotatably installed on the limit ring 13, grooves 34 are formed on the surfaces of the two stop blocks 33, grooves 33 are fixedly installed on the side surfaces of the rotating ring 31, clamping ring 1, a clamping groove 36 is fixedly installed on the side wall surface of the rotating ring 1, a clamping ring 1, a spring is required to be compressed by the two clamping blocks 1 and a compression spring 36 is required to be respectively arranged on the connecting ring 1, and a compression groove 1, a compression groove is required to be compressed by the two clamping blocks 1, a compression groove is provided on the inner wall of the connecting ring 1, a compression groove is respectively, a compression groove is provided on the main body, and a compression groove is provided with a compression groove, and a compression groove is provided by the compression groove, and a compression groove is respectively, and a compression groove is provided by the compression groove is respectively, and a compression groove is used, and has compression groove is respectively, and a compression groove is respectively, and has compression groove through the compression groove and a compression force, at this moment, two fixture blocks 51 can misplace with two dog 33, utilize the elasticity reset effect of spring 36, make two dog 33 reset, two fixture blocks 51 will insert in recess 34 this moment, two fixture blocks 51 will receive the blockking of dog 33, make fixture blocks 51 can not break away from draw-in groove 32, thereby accomplish the fixed connection of rotor ring 5 and go-between 3, thereby the fixed connection of flange one 11 and flange two 21 has been strengthened, prevent the loosening condition that leads to producing the leakage between flange one 11 and flange two 21 of bolt 12, the comparatively stable that vacuum pipeline main part 1 and connecting pipe 2 are connected has been guaranteed, install in ring channel 52 through spacing ring 13 rotation, have played the limiting effect to rotor ring 5, prevent rotor ring 5 break away from flange one 11 through being provided with sealing washer 4 between rotor ring 5 and the go-between 3, the leakproofness of vacuum pipeline main part 1 and connecting pipe 2 junction has been guaranteed the steady use of this vacuum furnace, two dog 33 are respectively movably cup jointed at the tip of two fixture blocks 51, the equal fixed mounting of tip of two dog 33 has round bar 35, the inner wall 35 of two round bar 35 have been connected at the equal fixed connection of two inner wall 35 of two round bar 35 and two inner wall 35 of two inner wall 35 through two inner wall 35 of fixed connection of spring 37, the two inner wall 37 of round bar 37 are fixed connection of two inner wall 37, respectively, the inner wall 37 of two inner wall of round bar 37 are connected with two inner wall 37 are fixed.

The user, connecting pipe 2 fixed mounting is on the vacuum furnace, when needs and vacuum pipeline main part 1 are connected, the user is with flange one 11 on the vacuum pipeline main part 1 and flange two 21 on the connecting pipe 2 butt joint, and through bolt 12 screw thread fixation, in the connection process, insert two fixture blocks 51 on the swivel becket 5 respectively in spout 31, two fixture blocks 51 can apply effort to dog 33 respectively, make two dog 33 remove, because dog 33 passes through spring 36 and the inner wall fixed connection of spout 31, make spring 36 atress compression, then the user passes through swivel becket 5, make two fixture blocks 51 rotate, make two fixture blocks 51 swing joint respectively in draw-in groove 32, two fixture blocks 51 can dislocation with two dog 33 at this moment, utilize the elasticity reset action of spring 36, make two dog 33 reset, two fixture blocks 51 will insert in recess 34 at this moment, two fixture blocks 51 will receive the stop 33's of dog 33, make fixture block 51 can not break away from draw-in groove 32, thereby accomplish swivel becket 5 and connecting ring 3's inner wall fixed connection, thereby the flange one has improved the swivel becket 5 and the flange 1 has been guaranteed to have been rotated through the swivel becket 5, thereby the flange 1 has been rotated with the flange 2 to have been rotated to the flange 1 through the fixed connection of flange 1, the flange 1 has been guaranteed to have been rotated, the flange 1 is connected with the flange 2, the flange has been connected through the flange has been fixed, and has been guaranteed, the flange 1 has been connected to the flange has been more stable, and has been connected to the flange 2, and has been connected through the flange 1.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims (6)

1. The utility model provides a vacuum pipe suitable for vacuum furnace, includes vacuum pipe main part (1) and connecting pipe (2), its characterized in that, fixed mounting has flange one (11) on vacuum pipe main part (1), fixed mounting has flange two (21) on connecting pipe (2), flange one (11) and flange two (21) internal thread connection have bolt (12), fixed joint go-between (3) have on flange two (21), spout (31) have all been seted up to the both sides of go-between (3) side surface, two draw-in groove (32) have all been seted up to the lateral wall face of spout (31), two equal slidable mounting has dog (33) in spout (31), movable sleeve has rotated ring (5) on flange one (11), the equal fixed mounting of both sides tip of rotation ring (5) fixture block (51), two fixture block (51) activity grafting respectively are in spout (31) to rotatory joint respectively in draw-in groove (32), be provided with sealing washer (4) between rotation ring (5) and the go-between (3).

2. The vacuum pipeline suitable for the vacuum furnace according to claim 1, wherein the first flange (11) is fixedly sleeved with a limiting ring (13), the inner wall surface of the rotating ring (5) is provided with an annular groove (52), and the limiting ring (13) is rotatably arranged in the annular groove (52).

3. Vacuum pipeline suitable for vacuum furnace according to claim 1, characterized in that the surface of two stop blocks (33) is provided with grooves (34), and the two stop blocks (33) are movably sleeved at the end parts of two clamping blocks (51) respectively.

4. Vacuum pipeline suitable for vacuum furnaces according to claim 1, characterised in that the ends of both said stops (33) are fixedly fitted with round bars (35), both said bars (35) being movable through the inner wall of the chute (31), respectively.

5. Vacuum pipeline suitable for vacuum furnace according to claim 4, characterized in that the two round rods (35) are interactively sleeved with springs (36), and the two stop blocks (33) are fixedly connected with the inner wall of the chute (31) through the springs (36) respectively.

6. Vacuum pipeline suitable for vacuum furnaces according to claim 5, characterised in that the ends of both the round bars (35) are fixedly fitted with stop blocks (37), both stop blocks (37) being arranged outside the connecting ring (3).