CN217272661U

CN217272661U - Vacuum hose assembly

Info

Publication number: CN217272661U
Application number: CN202221005374.9U
Authority: CN
Inventors: 何威; 夏勇
Original assignee: Chengdu Sino Cryogenic Equipment Co ltd
Current assignee: Chengdu Sino Cryogenic Equipment Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-23
Anticipated expiration: 2032-04-28

Abstract

The utility model provides a vacuum hose assembly. The vacuum hose subassembly includes hose one and hose two, hose one with the one end that hose two are close to each other is fixed mounting respectively has flange one and flange two, flange one contacts with flange two, hose two is kept away from the one end fixed mounting of hose one has flange three, the annular has all been seted up on flange one and the flange three, two constant head tanks have all been seted up on the inner wall of annular, flange two with one side fixed mounting that flange one contacted has the ring cover, the ring cover is located the correspondence in the annular, just fixed mounting has the sealing washer on the inner wall of ring cover, the inner wall of sealing washer with the inside wall of annular contacts. The utility model provides a vacuum hose subassembly has can make things convenient for dismouting ripple metal collapsible tube for the advantage of the smooth operation of vacuum apparatus.

Description

Vacuum hose assembly

Technical Field

The utility model relates to a vacuum hose technical field especially relates to a vacuum hose subassembly.

Background

In the vacuum technology, in order to ensure the gas connectivity between the devices and adapt to the spatial staggering between the devices, a bendable corrugated metal hose is generally used to connect two adjacent devices, so that the gas can smoothly circulate, the gas can be in a certain bent state, and the devices with staggered spatial distances are connected.

However, traditional ripple metal collapsible tube discovers when using, because the length of single hose is limited, in order to be smooth communicate between two equipment, need the more short hose of installation of one, thereby can form a longer hose, so as to connect between two equipment, but traditional connected mode is many to be carried out by the fastening mode of flange and bolt, and set up more than four at least screw holes on the flange mostly, this just leads to whole installation comparatively loaded down with trivial details, and subsequent dismantlement is also so, and then delays normal equipment operation process.

Therefore, there is a need to provide a new vacuum hose assembly that solves the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a can make things convenient for dismouting corrugated metal hose for the vacuum hose subassembly of the smooth operation of vacuum apparatus.

In order to solve the technical problem, the utility model provides a vacuum hose assembly includes: the first hose and the second hose, one end of the first hose and one end of the second hose, which are close to each other, are respectively and fixedly provided with a first flange and a second flange, the first flange is in contact with the second flange, the second hose is far away from one end of the first hose, is fixedly provided with a third flange, the first flange and the third flange are respectively provided with an annular groove, the two inner walls of the annular grooves are respectively provided with two positioning grooves, the second flange is fixedly provided with an annular sleeve with one side in contact with the first flange, the annular sleeves are positioned in the corresponding annular grooves, the inner walls of the annular sleeves are respectively fixedly provided with a sealing ring, the inner walls of the sealing rings are in contact with the inner side walls of the annular grooves, the annular sleeves are provided with two first inner cavities, two inner cavities are respectively internally provided with positioning heads, one sides of the two positioning heads, which are far away from each other, are respectively extended into the corresponding positioning grooves, and the positioning heads are matched with the positioning grooves, and two the location head respectively with two one side inner wall swing joint that inner chamber one was kept away from each other, two inner chambers two have been seted up on the flange two, two recesses have been seted up on the outer wall of flange two equal fixed mounting has two pole settings, two in the inner chamber two the equal fixed mounting in bottom of location head has the drawing to connect the strip, two one side of drawing to connect the strip all extends to corresponding in the inner chamber two, just draw to connect the strip with inner chamber one with the equal swing joint in one side that inner chamber two are close to each other, corresponding two the pole setting all runs through corresponding draw to connect the strip and with corresponding draw to connect strip sliding connection.

Preferably, four of the upright posts are all sleeved with reset springs, one ends of the reset springs are fixedly connected with the inner wall of one side of the second inner cavity, and the other ends of the reset springs are fixedly connected with the pulling and connecting strip.

Preferably, guide rods are arranged in the two grooves, one ends of the two guide rods, which are close to each other, extend into the corresponding second inner cavities and are fixedly connected with the corresponding pull-connecting strips, and the two guide rods are respectively in sliding connection with the inner walls of the two grooves, which are close to each other.

Preferably, two equal fixed mounting has three bulge loop, corresponding three on the one side inner wall of annular all with the sealing washer is inconsistent.

Preferably, a first movable opening is formed in one side, fixed by the ring sleeve and the second flange, of the ring sleeve, the first movable opening is communicated with the first inner cavity, the pull connecting strip penetrates through the movable openings and is movably connected with the inner wall of the first movable opening together, a second movable opening is formed in one side, contacted with the first flange, of the second flange, the second movable opening is connected with the second inner cavity through the second movable opening, and the pull connecting strip penetrates through the second movable opening and is movably connected with the inner wall of the second movable opening.

Preferably, two movable openings III are formed in the outer wall of the ring sleeve, the movable openings III are communicated with the corresponding inner cavity I, and the positioning heads penetrate through the corresponding movable openings III and are movably connected with the corresponding inner walls of the movable openings III.

Preferably, the pressing plate is fixedly mounted at one end, far away from each other, of each guide rod.

Compared with the prior art, the utility model provides a vacuum hose subassembly has following beneficial effect:

the utility model provides a vacuum hose assembly, grafting between location head and the constant head tank through setting up, alright with hose two and hose one, and carry out quick installation between two adjacent hoses, and, during follow-up dismantlement, only need press two guide arms, take the constant head tank out with the location head, then directly extract can, whole dismouting process is simple swift, when improving the simple operation degree, can not hinder vacuum apparatus's normal operating again, furthermore, the less sealing washer of inner circle diameter can be hugged closely with the inner wall side of expansion to annular, and utilize the conflict between three bulge loop and the sealing washer, make the sealing washer can produce certain deformation, thereby the sealing performance that the sealing washer formed has been improved to a certain extent, excellent in use effect.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a vacuum hose assembly according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of the portion B shown in FIG. 2;

fig. 4 is a right side structure schematic diagram of the first middle flange of the present invention.

Reference numbers in the figures: 1. a first hose; 2. a second hose; 3. a first flange; 4. a second flange; 5. a third flange; 6. a ring groove; 7. positioning a groove; 8. sleeving a ring; 9. a first inner cavity; 10. positioning the head; 11. a second inner cavity; 12. a groove; 13. erecting a rod; 14. pulling the connecting strip; 15. a reset spring; 16. a guide bar; 17. a convex ring; 18. and (5) sealing rings.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a vacuum hose assembly according to the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; FIG. 3 is an enlarged view of the portion B shown in FIG. 2; fig. 4 is a right side structure schematic diagram of the first middle flange of the present invention. The vacuum hose assembly includes: the hose I1 and the hose II 2, one end of the hose I1 close to one end of the hose II 2 is fixedly provided with a flange I3 and a flange II 4 respectively, the flange I3 is contacted with the flange II 4, one end of the hose II 2 far away from the hose I1 is fixedly provided with a flange III 5, the inner structures of the flange I3 and the flange III 5 are the same, so that the flange III 5 can be smoothly connected and installed with the flange II 4, the flange I3 and the flange III 5 are both provided with annular grooves 6, the inner walls of the two annular grooves 6 are both provided with two positioning grooves 7, the positioning grooves 7 are arranged on the outer side walls of the annular grooves 6, one side of the flange II 4 contacted with the flange I3 is fixedly provided with a ring sleeve 8, the ring sleeve 8 is positioned in the corresponding annular groove 6, a sealing ring 18 is fixedly arranged on the inner wall of the ring sleeve 8, the minimum diameter of the inside of the sealing ring 18 is slightly smaller than the minimum diameter of the inner side wall of the annular groove 6, and therefore, when the sealing ring 18 is installed, so that the sealing ring 18 can be inserted into the annular groove 6 only by expanding the sealing ring 18 to a certain degree, and the inner wall of the sealing ring 18 is tightly attached to the inner side wall of the annular groove 6, thereby enhancing the sealing performance, the inner wall of the sealing ring 18 is contacted with the inner side wall of the annular groove 6, the annular sleeve 8 is provided with two inner cavities one 9, the two inner cavities one 9 are respectively provided with a positioning head 10, one sides of the two positioning heads 10 which are far away from each other are respectively extended into the corresponding positioning groove 7, the positioning heads 10 are matched with the positioning grooves 7, the sizes between the positioning heads 10 and the positioning grooves 7 are just matched, so that the positioning heads 10 cannot be loosened, thereby improving the mounting stability of the hose II 2, the two positioning heads 10 are respectively movably connected with the inner wall of one side of the two inner cavities one 9 which are far away from each other, the flange II 4 is provided with two inner cavities two 11, the outer wall of the flange II 4 is provided with two grooves 12, equal fixed mounting has two pole settings 13 in two inner chambers two 11, the equal fixed mounting in bottom of two location heads 10 draws and connects strip 14, two draw and connect one side of strip 14 all to extend to two 11 in the inner chambers that correspond, and draw and connect strip 14 and inner chamber one 9 and the equal swing joint in one side that two 11 are close to each other of inner chamber, corresponding two pole settings 13 all run through corresponding draw and connect strip 14 and with the drawing that corresponds and connect strip 14 sliding connection, form sliding connection through two pole settings 13 butt joint strips 14, it is more reliable and more stable to make the linear upper and lower slip of drawing and connecting strip 14, can pull out smoothly or bring into constant head tank 7 with location head 10.

All the cover is equipped with reset spring 15 on four pole settings 13, reset spring 15's one end and one side inner wall fixed connection of two 11 of inner chamber, reset spring 15's the other end all with draw and connect 14 fixed connection, reset spring 15 is at initial state, when positioning head 10 inserts in constant head tank 7 promptly, it is just in a compression state, and this compression dynamics still is greater than positioning head 10's gravity, thereby make positioning head 10 can be tightly insert in constant head tank 7, in order to improve stability.

Guide rods 16 are arranged in the two grooves 12, one ends of the two guide rods 16, which are close to each other, extend into the corresponding inner cavities 11 and are fixedly connected with the corresponding pull-connecting strips 14, the two guide rods 16 are respectively in sliding connection with the inner walls of the two grooves 12, which are close to each other, the caliber of each groove 12 is large, and fingers of people can be inserted into the grooves.

Equal fixed mounting has three bulge loop 17 on one side inner wall of two annular 6, and corresponding three bulge loop 17 all offsets with sealing washer 18, and three bulge loop 17 diameter is not of uniform size, and belongs to the distribution form that the ring detained mutually, and the three is the concentric circles to can layer upon layer form the conflict to sealing washer 18, make sealing washer 18 form the deformation form of three conflicts, and then improve sealing performance of sealing washer 18 to a great extent.

The first movable opening is formed in one side, fixed by the second ring sleeve 8 and the second flange 4, of the first movable opening is communicated with the first inner cavity 9, the pull-joint strip 14 penetrates through the first movable opening and is movably connected with the inner wall of the first movable opening in a lump, the second movable opening is formed in one side, contacted with the first flange 3, of the second flange 4, the second movable opening is connected with the second inner cavity 11 and passes through the second movable opening, the pull-joint strip 14 penetrates through the second movable opening and is movably connected with the inner wall of the second movable opening, the first movable opening and the second movable opening correspond to each other, and therefore the pull-joint strip 14 can freely move up and down.

Two three movable openings are formed in the outer wall of the ring sleeve 8, the two three movable openings are communicated with the corresponding inner cavity I9, the two positioning heads 10 penetrate through the corresponding three movable openings and are movably connected with the inner walls of the corresponding three movable openings, the calibers of the three movable openings are large, the positioning heads 10 can penetrate smoothly, and then the positioning heads 7 can be smoothly inserted into the positioning grooves.

The pressing plates are fixedly mounted at the ends, far away from each other, of the two guide rods 16, the area of each pressing plate is large, and therefore the pressing plates can be pressed by fingers of people in the most comfortable pressing mode.

The utility model provides a vacuum hose assembly's theory of operation as follows:

in the device, the first hose 1 is a main connecting pipe, the second hose 2 is an auxiliary connecting pipe, the internal structures of the first flange 3 and the third flange 5 are the same, in addition, the number of the second hoses 2 can be prepared more, and the second flange 4 and the third flange 5 on each second hose 2 are of a uniform type, so that the specific number of the second hoses 2 can be selected according to actual conditions;

when a large number of hoses 2 are installed, one hose 2 is taken out, then two fingers are inserted into the corresponding grooves 12, the two guide rods 16 are pressed in the mutually approaching direction, so that the two positioning heads 10 are retracted into the corresponding inner cavities 9, at the moment, the four reset springs 15 are in a compressed state, then the flange two 4 is close to the flange one 3, the ring sleeve 8 and the sealing ring 18 are inserted into the annular groove 6 on the flange one 3 until the flange one 3 is contacted with the flange two 4, at the moment, the sealing ring 18 is tightly contacted with the three convex rings 17 and deforms, the inner ring wall of the sealing ring 18 is tightly attached to the inner side wall of the annular groove 6, good sealing is formed, and at the moment, the positioning heads 10 do not have positioning grooves 7 to correspond to each other;

then, slowly loosening the two guide rods 16, under the action of the reset spring 15, keeping the two pull-connecting strips 14 away from each other, so as to make the two positioning heads 10 away from each other and abut against the outer side wall of the annular groove 6, at the moment, the reset spring 15 is still in a compressed state, then slowly rotating the second hose 2, and then rotating the second flange 4 to drive the two positioning heads 10 to rotate, after the positioning heads 10 rotate to correspond to the positioning grooves 7, under the elastic force of the reset spring 15, the positioning heads 10 are automatically inserted into the corresponding positioning grooves 7, so that the installation of the second hose 2 is completed, then, according to the same mode, the second flange 4 of the other hose 2 is tightly attached to the third flange 5 of the last hose 2 to be installed, until all installation is completed, when disassembling at the later stage, only pressing the corresponding two guide rods 16 is needed, and the corresponding two positioning heads 10 are taken out of the corresponding positioning grooves 7, then extracting, and then carrying out the extraction one by one.

the utility model provides a vacuum hose assembly, grafting between location head 10 and the constant head tank 7 through setting up, alright with hose two 2 and hose 1, and carry out quick installation between two adjacent hoses two 2, and, during follow-up dismantlement, only need press two guide arms 16, take out constant head tank 7 with location head 10, then directly extract can, whole dismouting process is simple swift, when improving the simple operation degree, can not hinder vacuum apparatus's normal operating again, furthermore, the less sealing washer 18 of inner circle diameter can be hugged closely with the inner wall side that expands to annular 6, and utilize conflict between three bulge loop 17 and the sealing washer 18, make sealing washer 18 can produce certain deformation, thereby sealing performance that sealing washer 18 formed has been improved to a certain extent, excellent in use effect.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. A vacuum hose assembly comprises a first hose and a second hose, and is characterized in that one ends of the first hose and the second hose, which are close to each other, are respectively and fixedly provided with a first flange and a second flange, the first flange is in contact with the second flange, the second hose, which is far away from the first hose, is fixedly provided with a third flange, annular grooves are formed in the first flange and the third flange, two positioning grooves are formed in the inner walls of the two annular grooves, an annular sleeve is fixedly arranged on one side of the second flange, which is in contact with the first flange, and is positioned in the corresponding annular groove, a sealing ring is fixedly arranged on the inner wall of the annular sleeve, the inner wall of the sealing ring is in contact with the inner side wall of the annular groove, the annular sleeve is provided with two first inner cavities, positioning heads are arranged in the two first inner cavities, and one sides of the two positioning heads, which are far away from each other, extend into the corresponding positioning grooves, the location head with positioning groove looks adaptation, and two the location head respectively with two one side inner wall swing joint that inner chamber one was kept away from each other, two inner chamber two have been seted up on the flange two, two recesses have been seted up on the outer wall of flange two equal fixed mounting has two pole settings, two in the inner chamber two the equal fixed mounting in bottom of location head has the drawing to connect the strip, two one side of drawing to connect the strip all extends to corresponding in the inner chamber two, just draw to connect the strip with inner chamber one with the equal swing joint in one side that inner chamber two are close to each other, corresponding two the pole setting all runs through corresponding draw to connect the strip and with corresponding draw to connect strip sliding connection.

2. The vacuum hose assembly according to claim 1, wherein a return spring is sleeved on each of the four upright posts, one end of each return spring is fixedly connected with the inner wall of one side of the second inner cavity, and the other end of each return spring is fixedly connected with the pull connecting strip.

3. The vacuum hose assembly according to claim 1, wherein guide rods are disposed in the two grooves, one ends of the two guide rods adjacent to each other extend into the corresponding second inner cavity and are fixedly connected to the corresponding tie bar, and the two guide rods are slidably connected to the inner wall of one side of the two grooves adjacent to each other.

4. The vacuum hose assembly according to claim 1, wherein three protruding rings are fixedly mounted on an inner wall of each of two of the annular grooves, and the corresponding three protruding rings are abutted against the sealing ring.

5. The vacuum hose assembly according to claim 1, wherein a first movable opening is formed in one side of the ring sleeve where the second flange is fixed, the first movable opening is communicated with the first inner cavity, the pull-connecting strip penetrates through the first movable opening and is movably connected with an inner wall of the first movable opening, a second movable opening is formed in one side of the second flange, which is in contact with the first flange, the second movable opening is connected with the second inner cavity, and the pull-connecting strip penetrates through the second movable opening and is movably connected with an inner wall of the second movable opening.

6. The vacuum hose assembly according to claim 1, wherein two third moving openings are formed on an outer wall of the ring sleeve, the two third moving openings are both communicated with the corresponding first inner cavity, and the two positioning heads are both penetrated through the corresponding third moving openings and are movably connected with an inner wall of the corresponding third moving openings.

7. The vacuum hose assembly according to claim 3, wherein a pressure plate is fixedly mounted to each end of the two guide rods remote from each other.