CN113073845A - Bushing type structure of building heating and ventilation pipeline - Google Patents
Bushing type structure of building heating and ventilation pipeline Download PDFInfo
- Publication number
- CN113073845A CN113073845A CN202110298852.3A CN202110298852A CN113073845A CN 113073845 A CN113073845 A CN 113073845A CN 202110298852 A CN202110298852 A CN 202110298852A CN 113073845 A CN113073845 A CN 113073845A
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- Prior art keywords
- pipe
- closing plate
- tube
- embedded
- stay tube
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
- E04G15/06—Forms or shutterings for making openings, cavities, slits, or channels for cavities or channels in walls of floors, e.g. for making chimneys
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
- E04G15/06—Forms or shutterings for making openings, cavities, slits, or channels for cavities or channels in walls of floors, e.g. for making chimneys
- E04G15/063—Re-usable forms
Abstract
The invention discloses a sleeve type structure of a building heating and ventilation pipeline, relates to the technical field of reserved sleeves, solves the problems that the parts of the existing heating and ventilation pipeline sleeve are easy to waste, the installation operation is complex and the time is wasted, and comprises an inner supporting pipe; the inner supporting tube is fixedly embedded and installed on the inner side of the embedded supporting tube; one side of each clamping block is rotatably connected with a connecting plate through a rotating shaft, and the other side of each connecting plate is rotatably connected with one side of each sliding block through the rotating shaft; one side of each sliding block is fixedly connected with a screw; the outer sides of the screw rods are respectively and fixedly provided with a spring; and a first upper closing plate and a lower closing plate are fixedly arranged on the right side of the inner supporting tube. This device is when pressing from both sides warm logical pipeline and tightly, also can be with closing plate on one number, closing plate on two numbers and closing plate fastening down in the pipeline both sides, consequently can close the sleeve pipe both ends when pressing from both sides warm logical pipeline and tightly, and one step can be accomplished during the equipment, saves the equipment time.
Description
Technical Field
The invention relates to the technical field of reserved sleeves, in particular to a sleeve type structure of a building heating and ventilation pipeline.
Background
In the construction process of building heating and ventilation engineering and building water supply and drainage engineering, the reserved holes and the embedded iron pieces are always a necessary and important process, and whether the method for embedding the iron pieces in the reserved holes is successful or not directly influences the normal operation of subsequent processes, such as the pipeline installation in the later construction period and the reservation and embedding of the pipeline and the appearance quality of the concrete slab wall surface.
For example, application number is 202020096572.5's patent discloses a warm logical reservation sleeve pipe device, including the sleeve pipe body, the inside roof that is equipped with of sleeve pipe body, the roof bottom is equipped with the bottom plate, be equipped with reverse screw rod between roof and the bottom plate, the first slider of reverse screw rod top fixedly connected with, reverse screw rod bottom fixed connection second slider, second slider bottom fixedly connected with fixture block. The support plate is arranged to support the inner wall of the sleeve body, when the reserved sleeve with a thin wall is pre-embedded, enough support strength can be provided for the sleeve body, the sleeve body can be stably pre-embedded in the reserved hole, the support plate is adjusted to contract away from the inner wall of the sleeve body, the sleeve body can be taken out of the reserved hole and recycled, and the material cost of the sleeve body is reduced.
Based on the above, most of the existing heating and ventilation pipeline sleeves are of an integral structure, once the heating and ventilation pipeline sleeves are embedded and fixed in a wall surface, the heating and ventilation pipeline sleeves are difficult to disassemble, and structures for clamping and fixing the pipeline are additionally arranged in the sleeves, so that the waste of parts can be caused, when the heating and ventilation pipeline sleeves are fixed on the inner sides of the sleeves, the pipeline sleeves need to be clamped and fixed firstly, then the two ends of the sleeves are sealed, two steps of assembly are needed, and the operation is complex and the time is wasted; therefore, the existing requirements are not met, and a sleeve type structure of the building heating and ventilation pipeline is provided for the requirement.
Disclosure of Invention
The invention aims to provide a sleeve type structure of a building heating and ventilation pipeline, and aims to solve the problems that the existing heating and ventilation pipeline sleeves in the background technology are mostly of an integral structure, the existing heating and ventilation pipeline sleeves are difficult to disassemble once being embedded and fixed in a wall surface, and the insides of the sleeves are provided with structures for clamping and fixing the pipeline, so that the waste of parts is caused, and when the heating and ventilation pipeline is fixed on the inner side of the sleeve, the pipeline is required to be clamped and fixed firstly, then the two ends of the sleeve are sealed, two steps of assembly are required, the operation is complicated, and the time is wasted.
In order to achieve the purpose, the invention provides the following technical scheme: a sleeve type structure of a building heating and ventilation pipeline comprises an inner supporting pipe; the inner supporting tube is fixedly embedded and installed on the inner side of the embedded supporting tube; the inner side of the inner supporting tube is fixedly and symmetrically connected with four supporting slide rails in an annular arrangement manner; two sliding blocks are symmetrically and slidably mounted on the outer sides of the four supporting sliding rails; two ends of the four supporting slide rails are fixedly connected with a guide seat; two guide rods are embedded into the inner sides of the guide seats in a sliding manner; the other ends of every two guide rods are fixedly connected with a clamping block; one side of each clamping block is rotatably connected with a connecting plate through a rotating shaft, and the other side of each connecting plate is rotatably connected with one side of each sliding block through the rotating shaft; one side of each sliding block is fixedly connected with a screw, and the other end of each screw penetrates through a round hole in the middle of the guide seat and extends outwards; the outer sides of the screw rods are respectively and fixedly provided with a spring; the right side of the inner supporting tube is fixedly provided with a first upper closing plate and a lower closing plate; and a first upper closing plate and a second upper closing plate are fixedly arranged on the left side of the inner supporting tube.
Preferably, the fixed equidistance in the bottom outside of interior stay tube is connected with five protruding pieces altogether, and the fixed equidistance in inboard of pre-buried stay tube is provided with five arc walls that the width is the same with the protruding piece width, and pre-buried stay tube bottom inboard still is provided with the bar groove that runs through to the right side one, and this way bar groove communicates with the bottom homogeneous phase of five arc walls.
Preferably, the protruding piece of interior stay tube bottom can be through promoting during the inboard bar groove in embedding pre-buried stay tube bottom, and with the protruding piece of its bottom rotatory in the inboard arc wall of pre-buried stay tube when interior stay tube anticlockwise rotation, the circular port of its one side can coincide with the circular port at pre-buried stay tube one side top when interior stay tube rotates moreover.
Preferably, the inner sides of the guide seats are provided with two cylindrical holes, and the guide rods are respectively embedded into the two cylindrical holes and can slide in the two cylindrical holes, so that the clamping block can be close to or far away from the circle center of the inner supporting tube.
Preferably, the slider is provided with two strip-shaped bulges with equal fixed symmetry in the inboard of supporting the slide rail contact position, and the support slide rail outside also all is provided with a set of guide slot that corresponds symmetrically, and the slider can be in the left and right slip on supporting the slide rail.
Preferably, the screw rod all can be in the round hole in the middle of the guide holder horizontal slip, and the spring all is located between slider and the guide holder, and when outwards pulling the screw rod, the spring can promote the slider to inwards support the pipe middle direction and slide.
Preferably, No. one go up the shut and No. two go up the shut and the shut down the round plate homoenergetic concatenation is assembled into disc structure with down, and No. one go up shut one side fixedly connected with a round bar, during the installation this round bar can imbed in the round hole of support tube one side and the round hole at pre-buried stay tube one side top just.
Preferably, all be provided with the round hole that three diameter equals with the maximum diameter of screw rod on the last enclosed plate of No. one, No. two last enclosed plates and the lower enclosed plate, the screw rod can pass these round holes and outwards stretch out during the equipment, and when the screw rod outside was screwed up through the nut, the screw rod can be forced and is outwards pulled out to make the slider outwards slide, this in-process slider can promote through the connecting plate and press from both sides the centre of a circle position that the tight piece is close to interior stay tube, thereby will warm the pipeline and press from both sides tightly, also can fasten the last enclosed plate of No. one, No. two last enclosed plates and lower enclosed plate in the pipeline both sides simultaneously.
Compared with the prior art, the invention has the beneficial effects that:
first, the fixed equidistance in the bottom outside of interior stay tube is connected with five protruding pieces altogether, the fixed equidistance in inboard of pre-buried stay tube is provided with five width and the same arc wall of protruding piece width, and pre-buried stay tube bottom inboard still is provided with the bar groove that runs through to the right side one, fix warm logical pipeline through interior stay tube during the use, when warm logical pipeline need dismantle and need not to continue to use, can be earlier with interior stay tube clockwise rotation then outwards pull out, can reuse like this, and the main clamping component of this device all is located interior stay tube inboard, pre-buried stay tube is the drum that has the keel, consequently, the waste of material can significantly reduce.
Second, go up the closing plate No. one, all be provided with the round hole that three diameter equals with the maximum diameter of screw rod on closing plate and the lower closing plate No. two, the screw rod can pass these round holes and outwards stretch out during the equipment, and when the screw rod outside was screwed up through the nut, the screw rod can be forced and is outwards pulled out, thereby make the slider outwards slide, this in-process slider can promote the centre of a circle position that presss from both sides tight piece and be close to interior stay tube through the connecting plate, thereby will warm logical pipeline clamp tightly, also can be with closing plate No. one simultaneously, closing plate and lower closing plate fastening are in the pipeline both sides on No. two, consequently can seal the sleeve pipe both ends when will warm logical pipeline presss from both sides tightly, one step can accomplish during the equipment, save the equipment time.
Drawings
FIG. 1 is a schematic view of the fully assembled right side shaft configuration of the present invention;
FIG. 2 is a schematic view of the right side of the closure panel of the present invention after removal;
FIG. 3 is a schematic side view of the left shaft of the closure of the present invention after removal;
FIG. 4 is a schematic diagram of a right-axis structure of the embedded support tube and the inner support tube after being disassembled;
FIG. 5 is a schematic diagram of a left-axis structure of the split pre-buried support tube and inner support tube of the present invention;
FIG. 6 is a schematic diagram of a right-axis structure of the present invention with a sectioned inner support tube and a raised clamping block;
FIG. 7 is a schematic diagram of a right-axis structure of the invention with a sectioned inner support tube and a contracted clamping block;
in the figure: 1. pre-burying a support pipe; 2. an inner support tube; 3. a first upper closing plate; 4. a second upper closing plate; 5. a lower closure plate; 6. a screw; 7. supporting the slide rail; 8. a slider; 9. a guide seat; 10. a connecting plate; 11. a clamping block; 12. A guide bar; 13. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 7, an embodiment of the present invention includes: a bushing type structure of the building heating and ventilating pipeline, including the inner support tube 2; the inner supporting tube 2 is fixedly embedded and installed on the inner side of the embedded supporting tube 1; the inner side of the inner supporting tube 2 is fixedly and symmetrically connected with four supporting slide rails 7 in a ring shape; the outer sides of the four supporting slide rails 7 are symmetrically and slidably provided with two slide blocks 8; two ends of the four supporting slide rails 7 are fixedly connected with a guide seat 9; two guide rods 12 are embedded into the inner side of the guide seat 9 in a sliding manner; the other ends of every two guide rods 12 are fixedly connected with a clamping block 11; one side of each clamping block 11 is rotatably connected with a connecting plate 10 through a rotating shaft, and the other side of each connecting plate 10 is rotatably connected with one side of each sliding block 8 through the rotating shaft; the inner sides of the contact positions of the sliding blocks 8 and the supporting slide rails 7 are respectively and symmetrically provided with two strip-shaped bulges, the outer sides of the supporting slide rails 7 are respectively and symmetrically provided with a group of corresponding guide grooves, the sliding blocks 8 can slide left and right on the supporting slide rails 7, and the sliding blocks 8 can push the connecting plate 10 to rotate when sliding left and right, so that the clamping blocks 11 are displaced to clamp the heating and ventilation pipeline; one side of the sliding block 8 is fixedly connected with a screw 6, and the other end of the screw 6 penetrates through a round hole in the middle of the guide seat 9 and extends outwards; the screw rods 6 can slide left and right in the round holes in the middle of the guide seat 9, the springs 13 are located between the sliding blocks 8 and the guide seat 9, and when the screw rods 6 are not pulled outwards, the springs 13 can push the sliding blocks 8 to slide towards the middle direction of the inner supporting tube 2; the outer sides of the screw rods 6 are respectively fixedly provided with a spring 13; the right side of the inner supporting tube 2 is fixedly provided with a first upper closing plate 3 and a lower closing plate 5; the first upper closing plate 3 and the second upper closing plate 5, the second upper closing plate 4 and the second lower closing plate 5 can be spliced and assembled into a circular plate-shaped structure, one side of the first upper closing plate 3 is fixedly connected with a circular rod, and the circular rod is just embedded into a circular hole on one side of the inner supporting tube 2 and a circular hole on the top of one side of the embedded supporting tube 1 during installation, so that the inner supporting tube 2 and the embedded supporting tube 1 can be fastened together; the left side of the inner supporting tube 2 is fixedly provided with a first upper closing plate 3 and a second upper closing plate 4.
Furthermore, the outer side of the bottom of the inner supporting pipe 2 is fixedly connected with five convex blocks in total at equal intervals, the inner side of the pre-buried supporting pipe 1 is fixedly provided with five arc-shaped grooves with the same width as the convex blocks at equal intervals, the inner side of the bottom of the pre-buried supporting pipe 1 is also provided with a strip-shaped groove which penetrates towards the right side, the strip-shaped groove is communicated with the bottoms of the five arc-shaped grooves, when the heating and ventilation pipeline needs to be fixed, the inner supporting pipe 2 is horizontally pushed into the inner side of the pre-buried supporting pipe 1, the convex blocks at the outer side of the inner supporting pipe 2 can slide inwards in the strip-shaped groove at the inner side of the pre-buried supporting pipe 1, the inner supporting pipe 2 is rotated anticlockwise by 90 degrees, then the heating and ventilation pipeline is fixed through the inner supporting pipe 2, when the heating and ventilation pipeline needs to be disassembled without continuous use, the inner supporting pipe 2 can be rotated clockwise and then, the pre-buried supporting tube 1 is only a cylinder with a keel, so that the waste of materials can be greatly reduced.
Further, the protruding piece of interior stay tube 2 bottom can be through promoting during the inboard bar groove in embedded stay tube 1 bottom of embedding, and the protruding piece of its bottom can rotate in the inboard arc wall of embedded stay tube 1 when supporting tube 2 anticlockwise rotation in with, and the circular port of its one side can coincide with the circular port at embedded stay tube 1 one side top after interior stay tube 2 rotates, the round bar of its one side can be just inlayed in the round hole of interior stay tube 2 one side and the round hole at embedded stay tube 1 one side top when closing plate 3 is gone up in the installation No. one, consequently can be in the same place interior stay tube 2 and the fastening of embedded stay tube 1.
Further, the inner sides of the guide seats 9 are provided with two cylindrical holes, and the guide rods 12 are respectively embedded into the two cylindrical holes and can slide in the two cylindrical holes, so that the clamping blocks 11 can be close to or far away from the circle center position of the inner supporting tube 2, and loosening or clamping and fixing of the heating and ventilation pipeline can be realized.
Further, go up the closing plate 3 No. one, all be provided with the round hole that three diameter equals with the maximum diameter of screw rod 6 on closing plate 4 and the lower closing plate 5 on No. two, screw rod 6 can pass these round holes and outwards stretch out during the equipment, and when screw rod 6 outside was screwed up through the nut, screw rod 6 can be forced and is outwards pulled out, thereby make slider 8 outwards slide, this in-process slider 8 can promote through connecting plate 10 and press from both sides tight piece 11 and be close to the centre of a circle position of interior stay tube 2, thereby will warm logical pipeline clamp tightly, also can fasten closing plate 3 No. one, No. two last closing plate 4 and lower closing plate 5 in the pipeline both sides simultaneously, consequently can close the sleeve pipe both ends when will warm logical pipeline presss from both sides tightly, further can accomplish during the equipment, save the equipment time.
The working principle is as follows: before use, the embedded support tube 1 is embedded in the wall surface in advance, when the heating and ventilation pipeline needs to be fixed, five convex blocks on the outer side of the inner support tube 2 are rotated to the same direction as the strip-shaped groove on the inner side of the embedded support tube 1, then the inner support tube 2 is horizontally pushed into the inner side of the embedded support tube 1, at the moment, the convex blocks on the outer side of the inner support tube 2 can slide inwards in the strip-shaped groove on the inner side of the embedded support tube 1, when the inner support tube 2 cannot be pushed continuously, the inner support tube 2 rotates 90 degrees anticlockwise until the circular hole on one side of the inner support tube 2 is superposed with the circular hole on the top of one side of the embedded support tube 1, then the heating and ventilation pipeline is fixed through the inner support tube 2, because the convex blocks on the outer side of the fixed inner support tube 2 can be tightly embedded with one end of the arc-shaped groove on, the inner supporting tube 2 can be rotated clockwise and then pulled out, so that the device can be recycled, the main clamping parts of the device are all positioned at the inner side of the inner supporting tube 2, the pre-buried supporting tube 1 is only a cylinder with a keel, the waste of materials can be greatly reduced, after the inner supporting tube 2 is rotated well, the heating and ventilation pipeline is embedded into the inner side of the inner supporting tube 2, then the first upper closing plate 3 and the second upper closing plate 4 are respectively clamped at the outer sides of the two ends of the heating and ventilation pipeline and pushed towards the inner supporting tube 2, the screw rods 6 at the two ends of the inner supporting tube 2 respectively penetrate through the round holes on the first upper closing plate 3 and the second upper closing plate 4 and extend out, at the moment, the round rod at one side of the first upper closing plate 3 is just embedded into the round hole at one side of the inner supporting tube 2 and the round hole at the top of one side of the pre-buried supporting tube 1, so that, then two lower closing plates 5 are respectively arranged at the bottoms of the first upper closing plate 3 and the second upper closing plate 4 according to the same operation method, at the moment, the arc-shaped inner walls among the first upper closing plate 3, the second upper closing plate 4 and the lower closing plates 5 are tightly attached to the outer wall of the heating and ventilation pipeline to achieve the sealing effect, then, one end of the outer side of the screw rod 6 is screwed by the nut, at this time, the screw rod 6 is forced to be pulled outwards, so that the sliding block 8 slides outwards, in the process, the sliding block 8 pushes the clamping block 11 to be close to the circle center position of the inner supporting pipe 2 through the connecting plate 10, thereby clamping the heating and ventilation pipeline, simultaneously fastening the first upper closing plate 3, the second upper closing plate 4 and the lower closing plate 5 at the two sides of the pipeline, therefore, the two ends of the sleeve can be closed while the heating and ventilation pipeline is clamped, the assembly can be completed in one step, and the assembly time is saved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a bushing type structure of building heating and ventilating pipeline which characterized in that: comprises an inner supporting tube (2); the inner supporting tube (2) is fixedly embedded and installed on the inner side of the embedded supporting tube (1); the inner side of the inner supporting tube (2) is fixedly and symmetrically connected with four supporting slide rails (7) in a ring shape; the outer sides of the four supporting slide rails (7) are symmetrically and slidably provided with two slide blocks (8); two ends of the four supporting slide rails (7) are fixedly connected with a guide seat (9); two guide rods (12) are embedded into the inner sides of the guide seats (9) in a sliding manner; the other ends of every two guide rods (12) are fixedly connected with a clamping block (11); one side of each clamping block (11) is rotatably connected with a connecting plate (10) through a rotating shaft, and the other side of each connecting plate (10) is rotatably connected with one side of each sliding block (8) through the rotating shaft; one side of each sliding block (8) is fixedly connected with a screw (6), and the other end of each screw (6) penetrates through a round hole in the middle of the guide seat (9) and extends outwards; the outer sides of the screw rods (6) are respectively and fixedly provided with a spring (13); the right side of the inner supporting tube (2) is fixedly provided with a first upper closing plate (3) and a lower closing plate (5); the left side of the inner supporting tube (2) is fixedly provided with a first upper closing plate (3) and a second upper closing plate (4).
2. The pipe-in-pipe structure of a building heating and ventilating pipe as claimed in claim 1, wherein: the fixed equidistance in the bottom outside of interior stay tube (2) is connected with five protruding pieces altogether, and the fixed equidistance in inboard of pre-buried stay tube (1) is provided with five widths and the same arc wall of protruding piece width, and pre-buried stay tube (1) bottom inboard still is provided with the bar groove that runs through to the right side one, and this way bar groove communicates with the bottom homogeneous phase of five arc walls.
3. The pipe-in-pipe structure of a building heating and ventilating pipe as claimed in claim 1, wherein: the protruding piece of interior stay tube (2) bottom can be through promoting during the inboard bar groove in embedded stay tube (1) bottom, and can rotate in the inboard arc wall of embedded stay tube (1) its bottom when with interior stay tube (2) anticlockwise rotation, and the circular port of its one side can coincide with the circular port at embedded stay tube (1) one side top after interior stay tube (2) rotation moreover.
4. The pipe-in-pipe structure of a building heating and ventilating pipe as claimed in claim 1, wherein: the inner sides of the guide seats (9) are provided with two cylindrical holes, and the guide rods (12) are respectively embedded into the two cylindrical holes and can slide in the two cylindrical holes, so that the clamping blocks (11) can be close to or far away from the circle center of the inner supporting tube (2).
5. The pipe-in-pipe structure of a building heating and ventilating pipe as claimed in claim 1, wherein: the slider (8) is provided with two strip archs with the inboard equal fixed symmetry that supports slide rail (7) contact position, supports the slide rail (7) outside also all the symmetry and is provided with a set of guide slot that corresponds, and slider (8) can be on supporting slide rail (7) the horizontal slip.
6. The pipe-in-pipe structure of a building heating and ventilating pipe as claimed in claim 1, wherein: the screw rods (6) can slide left and right in the round holes in the middle of the guide seat (9), the springs (13) are located between the sliding blocks (8) and the guide seat (9), and when the screw rods (6) are not pulled outwards, the springs (13) can push the sliding blocks (8) to slide towards the middle direction of the inner supporting tube (2).
7. The pipe-in-pipe structure of a building heating and ventilating pipe as claimed in claim 1, wherein: no. one go up closing plate (3) and closing plate (5) down and No. two go up closing plate (4) and closing plate (5) homoenergetic concatenation and assemble into disc structure, and go up closing plate (3) one side fixedly connected with a round bar No. one, during the installation this round bar can inlay in the round hole of interior stay tube (2) one side and the round hole of pre-buried stay tube (1) one side top just.
8. The pipe-in-pipe structure of a building heating and ventilating pipe as claimed in claim 1, wherein: last enclosed plate (3), No. two last enclosed plates (4) and lower enclosed plate (5) all are provided with the round hole that the maximum diameter of three diameter and screw rod (6) equals, screw rod (6) can pass these round holes and outwards stretch out during the equipment, and when screw rod (6) outside was screwed up through the nut, screw rod (6) can be forced and outwards pulled out, thereby make slider (8) outwards slide, this in-process slider (8) can promote through connecting plate (10) and press from both sides tight piece (11) and be close to the centre of a circle position of interior stay tube (2), thereby will warm logical pipeline clamp tightly, also can fasten a last enclosed plate (3), No. two last enclosed plates (4) and lower enclosed plate (5) in the pipeline both sides simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110298852.3A CN113073845B (en) | 2021-03-20 | 2021-03-20 | Bushing type structure of building heating and ventilation pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110298852.3A CN113073845B (en) | 2021-03-20 | 2021-03-20 | Bushing type structure of building heating and ventilation pipeline |
Publications (2)
| Publication Number | Publication Date |
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| CN113073845A true CN113073845A (en) | 2021-07-06 |
| CN113073845B CN113073845B (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110298852.3A Active CN113073845B (en) | 2021-03-20 | 2021-03-20 | Bushing type structure of building heating and ventilation pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116518157A (en) * | 2023-05-16 | 2023-08-01 | 兴化市华成镀锌管件有限公司 | Auxiliary device of building heating and ventilation pipeline |
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| CN212251465U (en) * | 2020-05-14 | 2020-12-29 | 张志涛 | Pipe clamp for fixing heating ventilation air conditioner pipeline |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116518157A (en) * | 2023-05-16 | 2023-08-01 | 兴化市华成镀锌管件有限公司 | Auxiliary device of building heating and ventilation pipeline |
| CN116518157B (en) * | 2023-05-16 | 2023-10-24 | 兴化市华成镀锌管件有限公司 | Auxiliary device of building heating and ventilation pipeline |
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