CN220416455U - Heat supply pipeline bracket - Google Patents

Heat supply pipeline bracket Download PDF

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Publication number
CN220416455U
CN220416455U CN202322052459.3U CN202322052459U CN220416455U CN 220416455 U CN220416455 U CN 220416455U CN 202322052459 U CN202322052459 U CN 202322052459U CN 220416455 U CN220416455 U CN 220416455U
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CN
China
Prior art keywords
locking rod
locking
rod
heat supply
support
Prior art date
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Active
Application number
CN202322052459.3U
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Chinese (zh)
Inventor
李庭平
姜弘
贺腾飞
包鹤立
涂佳黄
韩兆龙
朱宏博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Urban Construction Design Research Institute Group Co Ltd
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Shanghai Urban Construction Design Research Institute Group Co Ltd
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Priority to CN202322052459.3U priority Critical patent/CN220416455U/en
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Abstract

The utility model belongs to the technical field of heat supply pipelines, and particularly relates to a heat supply pipeline bracket, which comprises a locking piece, wherein the locking piece comprises a first locking rod and a second locking rod, the first locking rod and the second locking rod are oppositely arranged, the first locking rod and the second locking rod respectively comprise a guide part and a enclasping part which are connected, the lower end of the enclasping part is rotationally connected with a support piece, the upper end of the enclasping part is connected with the guide part, the guide part is inclined downwards relative to the enclasping part, a reset torsion spring is arranged at the rotational connection position of the lower end of the enclasping part and the support piece, and the reset torsion spring has a movement trend of enabling the first locking rod and the second locking rod to move oppositely, so that on one hand, the included angle formed by the two guide parts is larger than the included angle formed by the two enclasping parts, and the heat supply pipeline is beneficial to be guided between the first locking rod and the second locking rod; on the other hand, when the heat supply pipeline moves downwards to a preset position, the first locking rod and the second locking rod tightly hold the heat supply pipeline under the action of the reset torsion spring, so that the heat supply pipeline is locked.

Description

Heat supply pipeline bracket
Technical Field
The utility model belongs to the technical field of heat supply pipelines, and particularly relates to a heat supply pipeline bracket.
Background
The utility model patent application with application number of 202111215351.0 discloses a heat supply pipeline bracket, which comprises: a base, a support column and an automatic locker; the support column is fixedly connected with the base and is used for supporting a heat supply pipeline; the automatic locker is arranged at the top of the supporting column, and the heating pipeline is in pressure connection with the automatic locker; the automatic locking device is used for locking the heat supply pipeline. For the technical field in the field, on the basis of the prior art, the heat supply pipeline bracket with a new structure is provided, and the heat supply pipeline bracket has a relatively realistic meaning.
Disclosure of Invention
The utility model aims to provide a heat supply pipeline bracket with a novel structure.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
the utility model provides a heat supply pipeline support, includes support piece and locking piece, the locking piece is located on the support piece, its characterized in that: the locking piece comprises a first locking rod and a second locking rod, the first locking rod and the second locking rod are oppositely arranged, the first locking rod and the second locking rod respectively comprise a guide part and a holding part which are connected, one end, close to the holding part, of the guide part is provided with a protruding clamping part, the lower end of the holding part is rotationally connected with the supporting piece, the upper end of the holding part is connected with the guide part, the guide part is inclined downwards relative to the holding part, and a reset torsion spring is arranged at the rotary joint of the lower end of the holding part and the supporting piece and has a movement trend of enabling the first locking rod and the second locking rod to move oppositely.
As an improvement of the heat supply pipeline support in one aspect, the guide part is an arc-shaped rod with a downward opening, the enclasping part is an arc-shaped rod with an upward opening, and the joint of the guide part and the enclasping part is in smooth transition.
As an improvement of the above-mentioned heat supply pipe bracket in one aspect, the upper surface of the guide portion is provided with a sliding member.
As an improvement of the above-mentioned heat supply pipe bracket in one aspect, the guide portion and the clasping portion are integrally formed.
As an improvement of the above heat supply pipe support in one aspect, the heat supply pipe support comprises a first limiting component and a second limiting component, wherein the first limiting component is arranged on the support piece and used for limiting the limit position of the downward swing of the first locking rod, and the second limiting component is used for limiting the limit position of the downward swing of the second locking rod.
As an improvement of the above-mentioned heat supply pipe support in one aspect, the upper surfaces of the first and second stopper members are respectively in shape-fit abutment with the lower surfaces of the first and second locking bars.
As an improvement of the above-mentioned heating pipeline support in an aspect, the heating pipeline support further comprises a first limiting rope and a second limiting rope, wherein the first limiting rope is used for limiting the limit position of the upward swing of the first locking rod, one end of the first limiting rope is connected with the supporting piece, the other end of the first limiting rope is connected with the first locking rod, the second limiting rope is used for limiting the limit position of the upward swing of the second locking rod, one end of the second limiting rope is connected with the supporting piece, and the other end of the second limiting rope is connected with the second locking rod.
As an improvement of the above-mentioned heat supply pipe support in an aspect, the support member includes supporting base and bracing piece, the lower extreme of bracing piece with supporting base fixed connection, hug tightly the lower extreme of portion with the upper end of bracing piece rotates to be connected, supporting base's radial dimension is greater than the radial dimension of bracing piece.
As an improvement of the above heat supply pipe bracket in one aspect, the support base is a stainless steel plate.
As an improvement of the above heat supply pipe support in one aspect, the upper surfaces of the first locking rod and the second locking rod are provided with rock wool layers.
Compared with the prior art, the utility model has the advantages that: the utility model relates to a heat supply pipeline bracket, which comprises a locking piece, wherein the locking piece comprises a first locking rod and a second locking rod, the first locking rod and the second locking rod are oppositely arranged, the first locking rod and the second locking rod respectively comprise a guide part and a holding part which are connected, one end of the guide part, which is close to the holding part, is provided with a convex clamping part, the lower end of the holding part is rotationally connected with a supporting piece, the upper end of the holding part is connected with the guide part, the guide part is inclined downwards relative to the holding part, a reset torsion spring is arranged at the rotational connection part of the lower end of the holding part and the supporting piece, and the reset torsion spring has a movement trend of enabling the first locking rod and the second locking rod to move oppositely; on the other hand, the reset torsion spring has the motion trend of making first locking lever with the second locking lever opposite movement, and when the heat supply pipeline moved down to the preset position, protruding screens portion formed to be similar to spacing step structure, down detained on the heat supply pipeline from top to bottom prevent the heat supply pipeline deviate from in the area of enclosing between first locking lever and the second locking lever, first locking lever with the second locking lever is held tightly under the effect of reset torsion spring the heat supply pipeline realizes the locking of heat supply pipeline. Compared with the prior art, the utility model has simpler structure and convenient operation.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a structure of a heat supply pipe bracket in a first state according to an embodiment of the present utility model.
Fig. 2 is a schematic view of a structure of a heat supply pipe bracket in a second state according to an embodiment of the present utility model.
Fig. 3 is a schematic view of a structure of a heat supply pipe bracket according to another embodiment of the present utility model in a first state.
Fig. 4 is a schematic view of a structure of a heat supply pipe bracket according to another embodiment of the present utility model in a second state.
Legend description:
100. a heat supply pipe; 10. a support; 20. a locking member; 21. a first locking lever; 22. a second locking lever; 1. a clasping portion; 2. a guide section; 3. a protruding clamping part; 4. a reset torsion spring; 5. a sliding member; 6. a first limiting member; 7. a second limiting member; 8. a first limit rope; 9. the second limiting rope; 11. a support base; 12. and (5) supporting the rod.
Detailed Description
The present utility model will be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments are shown, for the purpose of illustrating the utility model, but the scope of the utility model is not limited to the specific embodiments shown.
It will be understood that when an element is referred to as being "fixed, affixed, connected, or in communication with" another element, it can be directly fixed, affixed, connected, or in communication with the other element or intervening elements may be present. In addition, directional terms mentioned in the following embodiments, for example: upper, lower, left, right, front or rear, etc., are merely references to the directions of the attached drawings. Thus, the directional terminology is used for purposes of illustration and is not intended to be limiting of the utility model.
Unless defined otherwise, all technical and scientific terms used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the scope of the present utility model.
As shown in fig. 1, 2, 3 and 4, the heating pipeline support provided by the embodiment of the utility model includes a support member 10 and a locking member 20, the locking member 20 is disposed on the support member 10, the locking member 20 includes a first locking rod 21 and a second locking rod 22, the first locking rod 21 and the second locking rod 22 are disposed opposite to each other, the first locking rod 21 and the second locking rod 22 include a guide portion 2 and a clasping portion 1 connected to each other, a protruding clamping portion 3 is formed at one end of the guide portion 2 near the clasping portion 1, the lower end of the clasping portion 1 is rotatably connected to the support member 10, the upper end of the clasping portion 1 is connected to the guide portion 2, the guide portion 2 is inclined downward relative to the clasping portion 1, a reset torsion spring 4 is disposed at a rotational connection position between the lower end of the clasping portion 1 and the support member 10, and the reset torsion spring 4 has a tendency to move the first locking rod 21 and the second locking rod 22 toward each other.
In the initial state of use of the heat supply pipe support in the above embodiment, under the action of the reset torsion spring 4, the first locking lever 21 and the second locking lever 22 move towards each other, when the heat supply pipe 100 is pressed against the first locking lever 21 and the second locking lever 22 from the upper side, under the action of the dead weight, the heat supply pipe 100 overcomes the elasticity of the reset torsion spring 4 to press the first locking lever 21 and the second locking lever 22 downwards, the first locking lever 21 and the second locking lever 22 rotate back to each other, and when the heat supply pipe 100 moves downwards to a predetermined position, the first locking lever 21 and the second locking lever 22 clamp the heat supply pipe 100 under the action of the reset torsion spring 4, wherein the protruding clamping portion 3 forms a similar limiting step structure and is buckled on the heat supply pipe 100 from the upper side to the lower side, thereby preventing the heat supply pipe 100 from falling out of the sealing area between the first locking lever 21 and the second locking lever 22. And in this process, since the first locking bar 21 and the second locking bar 22 include the guide portion 2 and the clasping portion 1, the guide portion 2 is inclined downward with respect to the clasping portion 1, so that an included angle formed by the two guide portions 2 is larger than an included angle formed by the two clasping portions 1, thereby facilitating the guiding of the heat supply pipe 100 between the first locking bar 21 and the second locking bar 22. It should be noted that the movement trend of the first locking lever 21 and the second locking lever 22 moving in opposite directions through the reset torsion spring 4 belongs to the prior art, for example, the first locking lever 21 and the second locking lever 22 may be rotationally connected with the support member 10 through a rotation shaft, the reset torsion spring 4 is sleeved on the rotation shaft, one end of the reset torsion spring 4 is connected with the first locking lever 21, and the other end of the reset torsion spring 4 is connected with the second locking lever 22.
From the above, the heat supply pipeline bracket of the utility model comprises a locking piece 20, wherein the locking piece 20 comprises a first locking rod 21 and a second locking rod 22, the first locking rod 21 and the second locking rod 22 are oppositely arranged, the first locking rod 21 and the second locking rod 22 respectively comprise a guide part 2 and a holding part 1 which are connected, a convex clamping part 3 is formed at one end of the guide part 2 close to the holding part 1, the lower end of the holding part 1 is rotationally connected with the supporting piece 10, the upper end of the holding part 1 is connected with the guide part 2, the guide part 2 is inclined downwards relative to the holding part 1, a reset torsion spring 4 is arranged at the rotary connection part of the lower end of the holding part 1 and the supporting piece 10, and the reset torsion spring 4 has a movement trend of enabling the first locking rod 21 and the second locking rod 22 to move oppositely, on the one hand, and the lower end of the guide part 2 and the holding part 22 comprise the guide part 2 and the holding part 1, and the lower end of the holding part 1 are rotationally connected with the guide part 2, and the lower end of the holding part 2 is inclined relative to the guide part 1, so that an included angle between the two guide parts 1 and the two guide parts 2 are formed, and the heat supply pipeline bracket is beneficial to forming an included angle 100; on the other hand, the reset torsion spring 4 has a movement trend of enabling the first locking rod 21 and the second locking rod 22 to move in opposite directions, when the heat supply pipeline 100 moves downwards to a preset position, the protruding clamping portion 3 forms a limit step-like structure and is buckled on the heat supply pipeline 100 from top to bottom to prevent the heat supply pipeline 100 from being separated from a surrounding area between the first locking rod 21 and the second locking rod 22, and the first locking rod 21 and the second locking rod 22 clamp the heat supply pipeline 100 under the action of the reset torsion spring 4 to lock the heat supply pipeline 100. Compared with the prior art, the utility model has simpler structure and convenient operation.
In some embodiments of the present utility model, the support member 10 includes a support base 11 and a support rod 12, wherein the lower end of the support rod 12 is fixedly connected to the support base 11, and the lower end of the clasping portion 1 is rotatably connected to the upper end of the support rod 12. The support base 11 is optionally but not limited to a cuboid, cube or cylinder structure, and the support rod 12 is optionally but not limited to a cuboid, cube or cylinder structure. The supporting base 11 may be made of metal or non-metal material such as cement, and the supporting base 11 made of metal material is of great weight, which is beneficial to improving the stability of the supporting base 11, in a specific embodiment, the supporting base 11 is made of stainless steel plate, so as to ensure strength, and similarly, the supporting rod 12 may be made of metal or non-metal material such as cement, and the specific height of the supporting rod 12 may be set according to practical needs. Preferably, the radial dimension of the support base 11 is greater than the radial dimension of the support rod 12, so as to increase the support area and improve the stability of the support. In some embodiments of the present utility model, the support member 10 further includes a fixed support seat (not shown in the drawings), where the fixed support seat is disposed at the upper end of the support rod 12, and the fixed support seat and the locking member 20 are arranged in a staggered manner, or an avoidance groove is formed on the fixed support seat to avoid the locking member 20, and at the same time, the fixed support seat cannot affect the locking effect of the locking member 20 on the heating pipeline 100 in terms of position selection. The fixed support seat is used for supporting the heat supply pipeline 100, is preferably arranged in an arc shape, can effectively attach to the heat supply pipeline 100, and is used for limiting the position of the heat supply pipeline 100, so that the installation stability of the heat supply pipeline 100 is improved. Further, be provided with the rock wool layer on the inside wall of fixed bolster [ not shown in the figure ], set up the aim at on the rock wool layer and avoid fixed bolster and heat supply pipeline 100 direct contact, set up the rock wool layer, on the one hand can effectually keep apart the heat transfer between heat supply pipeline 100 and the fixed bolster, on the other hand, avoid the direct rigid contact heat supply pipeline 100 of fixed bolster's lateral wall, when the fixed bolster is pressed for a long time to heat supply pipeline 100, lead to the outside heat preservation damage of heat supply pipeline 100 easily, adopt above-mentioned setting, can effectually prolong the life of heat supply pipeline 100 outside heat preservation.
In order to improve the smoothness of the movement, in some embodiments of the present utility model, the guiding portion 2 is an arc rod with a downward opening, the clasping portion 1 is an arc rod with an upward opening, and the connection between the guiding portion 2 and the clasping portion 1 is in a smooth transition. Preferably, a sliding member 5 is provided on the upper surface of the guide portion 2, and the sliding member 5 may be a ball or a pulley. The sliding part 5 can replace the sliding friction of the guiding part 2 and the heat supply pipeline 100 with rolling friction, so that the resistance and abrasion in the downward moving process of the heat supply pipeline 100 can be reduced, and the service lives of the guiding part 2 and the heat supply pipeline 100 are prolonged. In order to improve the structural strength, the guide part 2 and the clasping part 1 are integrally formed.
In some embodiments of the present utility model, the materials of the first locking bar 21 and the second locking bar 22 are high-strength steel, and the first locking bar 21 and the second locking bar 22 made of high-strength steel have strong bearing and compression resistance, which is beneficial to improving the stability of locking the first locking bar 21 and the second locking bar 22 to the heating pipe 100, and the service lives of the first locking bar 21 and the second locking bar 22.
In order to improve the stability of the support, in some embodiments of the present utility model, the support comprises a first limiting member 6 and a second limiting member 7 provided on the support 10, wherein the first limiting member 6 is used for limiting the limit position of the downward swing of the first locking lever 21, the second limiting member 7 is used for limiting the limit position of the downward swing of the second locking lever 22, and when the support 10 comprises a support base 11 and a support rod 12, the second limiting member 7 and the second limiting member 7 are provided on the support rod 12. The fixing manner of the first limiting component 6 and the second limiting component 7 on the supporting piece 10 is preferably welding, and the welding connection manner is beneficial to improving the connection stability of the first limiting component 6 and the second limiting component 7. The setting of first spacing part 6 and second spacing part 7 can play spacing effect to the motion stroke of first locking lever 21 and second locking lever 22 on the one hand, and on the other hand can cooperate reset torsion spring 4, protruding screens portion 3 to make first locking lever 21 with second locking lever 22 better hold tightly heating pipeline 100. Preferably, the upper surfaces of the first and second limiting members 6 and 7 are respectively in shape-fit abutment with the lower surfaces of the first and second locking bars 21 and 22.
In some embodiments of the present utility model, the first limiting rope 8 is used for limiting the limit position of the upward swing of the first locking rod 21, one end of the first limiting rope 8 is connected with the supporting member 10, the other end of the first limiting rope 8 is connected with the first locking rod 21, the second limiting rope 9 is used for limiting the limit position of the upward swing of the second locking rod 22, one end of the second limiting rope 9 is connected with the supporting member 10, and the other end of the second limiting rope 9 is connected with the second locking rod 22.
In some embodiments of the present utility model, the rock wool layers (not shown in the drawings) are disposed on the upper surfaces of the first locking rod 21 and the second locking rod 22, so that the first locking rod 21 and the second locking rod 22 can be prevented from directly contacting the side wall of the heat supply pipeline 100, and further the service life of the heat insulation layer outside the heat supply pipeline 100 can be effectively prolonged.
In some embodiments of the present utility model, the support base 11 is provided with a fixing hole for fixing with the ground. Fixing holes are formed, so that a worker can fix the support base 11 at a preset fixing point conveniently.
In summary, the heat supply pipe bracket of the present utility model includes the locking piece 20, the locking piece 20 includes a first locking lever 21 and a second locking lever 22, the first locking lever 21 and the second locking lever 22 are disposed opposite to each other, the first locking lever 21 and the second locking lever 22 include a guiding portion 2 and a holding portion 1 that are connected to each other, a protruding clamping portion 3 is formed at one end of the guiding portion 2 near the holding portion 1, the lower end of the holding portion 1 is rotatably connected to the supporting piece 10, the upper end of the holding portion 1 is connected to the guiding portion 2, the guiding portion 2 is inclined downward with respect to the holding portion 1, a reset torsion spring 4 is disposed at a rotational connection position between the lower end of the holding portion 1 and the supporting piece 10, and the reset torsion spring 4 has a movement tendency that enables the first locking lever 21 and the second locking lever 22 to move toward each other, on the one hand, since the first locking lever 21 and the second locking lever 22 include the guiding portion 2 and the holding portion 1, the lower end of the holding portion 1 is rotatably connected to the supporting piece 10, the upper end of the holding portion 1 is connected to the guiding portion 2, the guiding portion 2 is inclined downward with respect to the holding portion 1, and the lower end of the guiding portion 2 is inclined with respect to the second locking lever 22, thereby forming an included angle between the guiding portion 1 and the two heat supply pipe bracket 100; on the other hand, the reset torsion spring 4 has a movement trend of enabling the first locking rod 21 and the second locking rod 22 to move in opposite directions, when the heat supply pipeline 100 moves downwards to a preset position, the protruding clamping portion 3 forms a limit step-like structure and is buckled on the heat supply pipeline 100 from top to bottom to prevent the heat supply pipeline 100 from being separated from a surrounding area between the first locking rod 21 and the second locking rod 22, and the first locking rod 21 and the second locking rod 22 clamp the heat supply pipeline 100 under the action of the reset torsion spring 4 to lock the heat supply pipeline 100. Compared with the prior art, the utility model has simpler structure and convenient operation.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a heat supply pipeline support, includes support piece (10) and locking piece (20), locking piece (20) are located on support piece (10), its characterized in that: the locking piece (20) comprises a first locking rod (21) and a second locking rod (22), the first locking rod (21) and the second locking rod (22) are oppositely arranged, the first locking rod (21) and the second locking rod (22) respectively comprise a guide part (2) and a holding part (1) which are connected, the guide part (2) is close to one end of the holding part (1) and is provided with a protruding clamping part (3), the lower end of the holding part (1) is rotationally connected with the supporting piece (10), the upper end of the holding part (1) is connected with the guide part (2), the guide part (2) is inclined downwards relative to the holding part (1), the rotating connection part of the lower end of the holding part (1) and the supporting piece (10) is provided with a reset torsion spring (4), and the reset torsion spring (4) has a movement trend that the first locking rod (21) and the second locking rod (22) move towards each other.
2. A heating conduit support according to claim 1, wherein: the guide part (2) is an arc-shaped rod with a downward opening, the enclasping part (1) is an arc-shaped rod with an upward opening, and the joint of the guide part (2) and the enclasping part (1) is in smooth transition.
3. A heating conduit support according to claim 2, wherein: the upper surface of the guide part (2) is provided with a sliding component (5).
4. A heating conduit support according to claim 1, wherein: the guide part (2) and the enclasping part (1) are integrally formed.
5. A heating conduit support according to claim 1, wherein: the device comprises a first limiting part (6) and a second limiting part (7) which are arranged on a supporting piece (10), wherein the first limiting part (6) is used for limiting the limit position of the downward swing of the first locking rod (21), and the second limiting part (7) is used for limiting the limit position of the downward swing of the second locking rod (22).
6. A heating conduit support according to claim 5, wherein: the upper surfaces of the first limiting component (6) and the second limiting component (7) are respectively in shape-fit abutting connection with the lower surfaces of the first locking rod (21) and the second locking rod (22).
7. A heating conduit support according to claim 1, wherein: still include first spacing rope (8) and second spacing rope (9), first spacing rope (8) are used for prescribing a limit to first locking lever (21) upward swing's extreme position, the one end of first spacing rope (8) with support piece (10) are connected, the other end of first spacing rope (8) with first locking lever (21) are connected, second spacing rope (9) are used for prescribing a limit to second locking lever (22) upward swing's extreme position, the one end of second spacing rope (9) with support piece (10) are connected, the other end of second spacing rope (9) with second locking lever (22) are connected.
8. A heating conduit support according to any one of claims 1 to 7, wherein: the support piece (10) comprises a support base (11) and a support rod (12), wherein the lower end of the support rod (12) is fixedly connected with the support base (11), the lower end of the enclasping part (1) is rotationally connected with the upper end of the support rod (12), and the radial size of the support base (11) is larger than that of the support rod (12).
9. A heating conduit support according to claim 8, wherein: the support base (11) is a stainless steel plate.
10. A heating conduit support according to any one of claims 1 to 7, wherein: the upper surfaces of the first locking rod (21) and the second locking rod (22) are provided with rock wool layers.
CN202322052459.3U 2023-08-01 2023-08-01 Heat supply pipeline bracket Active CN220416455U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322052459.3U CN220416455U (en) 2023-08-01 2023-08-01 Heat supply pipeline bracket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322052459.3U CN220416455U (en) 2023-08-01 2023-08-01 Heat supply pipeline bracket

Publications (1)

Publication Number Publication Date
CN220416455U true CN220416455U (en) 2024-01-30

Family

ID=89646926

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322052459.3U Active CN220416455U (en) 2023-08-01 2023-08-01 Heat supply pipeline bracket

Country Status (1)

Country Link
CN (1) CN220416455U (en)

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