Connecting structure of premixing burner and pipeline and heating stove
By using a flexible fastener between the premixed burner and the pipeline, the traditional threaded connection is eliminated, achieving a quick and convenient fixed connection. This solves the problems of long assembly time and high cost under the traditional connection method, and improves production efficiency and economic benefits.
Patent Information
- Application Number
- CN202520668153.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-04-10
AI Technical Summary
Traditional premixed burners are connected to pipelines via threaded structures, resulting in long assembly times, complex operations, and high material costs.
Elastic fasteners are used to fix the pipe joints to the pipes, eliminating the need for external threads and nuts, and achieving rapid fixation by utilizing the elastic deformation of the elastic fasteners.
It shortens the assembly cycle, improves assembly efficiency, and reduces operational difficulty and production costs.
Smart Images
Figure CN223814446U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of pipeline connection, in particular to a premix burner and pipeline's connecting structure and heating stove. BACKGROUND
[0002] Referring to Figure 1 The premix burner of the heating stove usually comprises a spiral pipeline spirally arranged in the premix burner, one end of the spiral pipeline is connected with a water inlet pipeline joint of the premix burner, and the other end is connected with a water outlet pipeline joint. The traditional connection mode is to fix the pipeline and the pipeline joint by a threaded structure, the pipeline is provided with external threads, the pipeline joint is provided with corresponding internal threads, and the two are connected by thread engagement. In order to further enhance the stability of the connection, a locking nut is usually arranged at the threaded connection. SUMMARY
[0003] The utility model provides a premix burner and pipeline's connecting structure, be equipped with elastic buckling piece between pipeline joint and pipeline, elastic buckling piece first end elastic buckling is in the outside of pipeline joint, elastic buckling piece second end elastic buckling is in the outside of pipeline, to make pipeline joint and pipeline between through elastic buckling piece fixed connection, cancel the external thread structure that is equipped with on the outside of pipeline, and cancel the installation nut on the outside of pipeline, shorten product assembly cycle, improve product assembly efficiency.
[0004] A premix burner and pipeline's connecting structure designed for this purpose, comprising a pipeline joint arranged on the premix burner, the pipeline joint is used for connecting with the pipeline, the pipeline is inserted into the pipeline joint, and an elastic buckling piece is arranged between the pipeline joint and the pipeline, the first end of the elastic buckling piece is elastically buckled on the outside of the pipeline joint, and the second end of the elastic buckling piece is elastically buckled on the outside of the pipeline, so that the pipeline joint and the pipeline are fixedly connected through the elastic buckling piece.
[0005] A limiting piece is arranged on the pipeline joint, the elastic buckling piece is provided with an open slot corresponding to the limiting piece, the pipeline is inserted into the pipeline joint, the elastic buckling piece is buckled on the outside of the pipeline joint and the pipeline, the limiting piece is limited on the open slot of the elastic buckling piece, and the limiting piece and the open slot form a limiting and cooperating part for preventing the elastic buckling piece from moving up and down on the pipeline joint and the pipeline.
[0006] The elastic buckling piece is provided with an elastic clamping cavity for elastically clamping the outside of the pipeline joint and / or the pipeline, the elastic buckling piece is provided with an open port in communication with the elastic clamping cavity at one end, and the open slot penetrates through the left and right sides of the elastic buckling piece.
[0007] The distance between the inner sides of the two ends of the open port gradually increases towards the outside of the elastic clamping cavity, so that the open port forms an elastic deformation expansion section in the process of buckling the elastic buckling piece on the corresponding object.
[0008] The inside of both ends of the open port is provided with a buckling guide surface, and the elastic buckling member is buckled on the outside of the corresponding object along the buckling guide surface.
[0009] The guide surface is an arc surface, and the buckling guide surface and the outside of the corresponding object form point contact, line contact or surface contact through the arc surface during the elastic buckling of the elastic buckling member on the corresponding object.
[0010] The open slot is buckled or separated from the limiting member along with the elastic deformation of the elastic buckling member, so that the elastic buckling member is detachably mounted between the pipe joint and the pipe.
[0011] The elastic buckling member includes a first buckling member for buckling on the outside of the pipe, and the first buckling member is provided with a first arc surface matched with the pipe.
[0012] The elastic buckling member includes a second buckling member for buckling on the outside of the pipe joint, and the second buckling member is provided with a second arc surface matched with the pipe joint.
[0013] The outer diameter of the pipe joint is greater than the outer diameter of the pipe, and the inner diameter of the second buckling member is greater than the inner diameter of the first buckling member.
[0014] The material of the elastic buckling member is metal.
[0015] A heating furnace includes a furnace body, a premix burner is arranged in the furnace body, a pipe joint connected with a pipe is arranged on the premix burner, and a connecting structure of the premix burner and the pipe is arranged between the pipe joint and the pipe.
[0016] The beneficial technical effects of the utility model are as follows:
[0017] The elastic buckling member is arranged between the pipe joint and the pipe, the first end of the elastic buckling member is elastically buckled on the outside of the pipe joint, the second end of the elastic buckling member is elastically buckled on the outside of the pipe, the pipe joint and the pipe are fixedly connected through the elastic buckling member, the external thread structure arranged on the outside of the pipe is cancelled, the mounting nut arranged on the outside of the pipe is cancelled, the product assembly cycle is shortened, and the product assembly efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] The utility model will be explained in further detail below in combination with the drawings and specific embodiments.
[0019] Figure 1 It is a structure schematic view of the heating furnace in the prior art.
[0020] Figure 2 It is a three-dimensional structure schematic view of the pipe joint and the pipe connection of an embodiment of the utility model.
[0021] Figure 3 It isFigure 2 Enlarged view at A.
[0022] Figure 4 It is the stereogram structure schematic view of the elastic buckling member of one embodiment of the utility model.
[0023] Figure 5 It is the stereogram structure schematic view of the pipeline joint of one embodiment of the utility model. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. In order to make the above object, features and advantages of the present application more obvious and easy to understand, a lot of specific details are set forth in the following description to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from the description herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application, therefore, the present application is not limited by the following disclosed specific embodiments.
[0025] Referring to Figures 1-5 A kind of connection structure of premix burner and pipeline, including pipeline joint 2 being arranged on premix burner 1, pipeline joint 2 is used to be connected with pipeline 3, the pipeline 3 is inserted on pipeline joint 2, and pipeline joint 2 with pipeline 3 between it is equipped with elastic buckling member 4, elastic buckling member 4 first end is elastically buckled on the outside of pipeline joint 2, elastic buckling member 4 second end is elastically buckled on the outside of pipeline 3, to make pipeline joint 2 with pipeline 3 between it be fixedly connected by elastic buckling member 4.
[0026] In the embodiment, the part of pipeline 3 inserted into pipeline joint 2 is provided with a sealing ring to prevent water leakage.
[0027] By being equipped with elastic buckling member 4 between pipeline joint 2 and pipeline 3, elastic buckling member 4 first end is elastically buckled on the outside of pipeline joint 2, elastic buckling member 4 second end is elastically buckled on the outside of pipeline 3, to make pipeline joint 2 with pipeline 3 between it be fixedly connected by elastic buckling member 4, cancel the external thread structure on the outside of pipeline 3, and cancel the installation nut on the outside of pipeline 3, shorten product assembly cycle, improve product assembly efficiency.
[0028] Since the thread processing and nut installation links are cancelled, the assembly process is more efficient. Pipeline 3 is directly inserted into pipeline joint 2, and elastic buckling member 4 is quickly buckled and fixed by elastic deformation, which significantly shortens the assembly time and improves the production efficiency.
[0029] The design of the elastic buckle 4 makes the connection operation more convenient, and the installation and disassembly can be completed without using tools. The assembler only needs to insert the pipeline 3 into the pipe joint 2 and buckle the elastic buckle 4 to complete the connection, which reduces the operation difficulty and improves the assembly efficiency.
[0030] The outer thread machining of the pipeline 3 outside and the use of the locking nut are cancelled, which reduces the machining process and material cost. At the same time, the standardized design of the elastic buckle 4 also reduces the production cost and improves the economic benefit.
[0031] The pipe joint 2 is provided with a limiting piece 5, the elastic buckle 4 is provided with an open slot 6 corresponding to the limiting piece 5, the pipeline 3 is inserted into the pipe joint 2, the elastic buckle 4 is buckled on the outside of the pipe joint 2 and the pipeline 3, the limiting piece 5 is limited in the open slot 6 of the elastic buckle 4, and the limiting piece 5 and the open slot 6 form a limiting cooperation part for preventing the elastic buckle 4 from moving up and down on the pipe joint 2 and the pipeline 3.
[0032] The elastic buckle 4 is provided with an elastic clamping cavity 9 for elastically clamping the outside of the pipe joint 2 and / or the pipeline 3, and the elastic buckle 4 is provided with an open port 10 communicating with the elastic clamping cavity 9 at one end, and the open slot 6 penetrates through the left and right sides of the elastic buckle 4.
[0033] The distance between the inner sides of the two ends of the open port 10 gradually increases towards the outside of the elastic clamping cavity 9, so that the open port 10 forms an elastic deformation expansion section in the process of buckling the elastic buckle 4 on the corresponding object, and the elastic buckle 4 is buckled on the outside of the pipeline 3 and the pipe joint 2. When the elastic buckle 4 is buckled, the elastic buckle 4 deforms outward along the open port 10, and when the pipe joint 2 and the pipeline 3 pass through the minimum position of the inner diameter of the open port 10, the open port 10 elastically resets, and the pipe joint 2 and the pipeline 3 are located in the corresponding elastic clamping cavity 9.
[0034] When the elastic buckle is separated from the outside of the pipeline 3 and the pipe joint 2, the assembler can trigger the elastic deformation of the elastic buckle 4 by hand at the open port 10, so that the elastic buckle 4 is separated from the outside of the pipeline 3 and the pipe joint 2, and the open port 10 forms a dismounting part for dismounting the elastic buckle 4.
[0035] The inner sides of the two ends of the open port 10 are provided with buckling guide surfaces 12, and the elastic buckle 4 is buckled on the outside of the corresponding object along the buckling guide surfaces 12.
[0036] The guide surface 12 is an arc surface, and in the process of buckling the elastic buckle 4 on the corresponding object, the buckling guide surface 12 forms a point contact, a line contact or a surface contact between the buckling guide surface 12 and the outside of the corresponding object through the arc surface.
[0037] The arc surface effectively reduces the abrasion between the elastic fastening member 4 and the pipe joint 2 or the pipe 3 during the elastic fastening process. The elastic fastening member 4 is ensured to be smoothly fastened on the outside of the pipe joint 2 and the pipe 3.
[0038] The opening slot 6 is fastened or separated from the limiting member 5 along with the elastic deformation of the elastic fastening member 4, so that the elastic fastening member 4 is detachably mounted between the pipe joint 2 and the pipe 3.
[0039] The elastic fastening member 4 comprises a first fastening member 7 for being fastened on the outside of the pipe 3, and the first fastening member 7 is provided with a first arc surface 8 matched with the pipe 3.
[0040] The elastic fastening member 4 comprises a second fastening member 11 for being fastened on the outside of the pipe joint 2, and the second fastening member 11 is provided with a second arc surface matched with the pipe joint 2.
[0041] The outer diameter of the pipe joint 2 is greater than the outer diameter of the pipe 3, and the inner diameter of the second fastening member 11 is greater than the inner diameter of the first fastening member 7, so that the assembler is prevented from reversely mounting the elastic fastening member 4, and the elastic fastening member 4 can only be elastically fastened on the outside of the pipe joint 2 and the pipe 3 in one direction.
[0042] The material of the elastic fastening member 4 is metal.
[0043] A heating furnace comprises a furnace body 13, and a premix burner 1 is arranged in the furnace body 13. The premix burner 1 is provided with a pipe joint 2 connected with a pipe 3, and the pipe joint 2 and the pipe 3 are provided with the above-mentioned connecting structure of the premix burner and the pipe.
[0044] The above is only a preferred embodiment of the present application, and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A connection structure of a premix burner and a pipe, comprising a pipe joint (2) provided on a premix burner (1), the pipe joint (2) being used for connecting with a pipe (3), characterized in that: The pipeline (3) is inserted into the pipeline joint (2), and an elastic fastening member (4) is arranged between the pipeline joint (2) and the pipeline (3), the first end of the elastic fastening member (4) is elastically fastened on the outer side of the pipeline joint (2), the second end of the elastic fastening member (4) is elastically fastened on the outer side of the pipeline (3), so that the pipeline joint (2) and the pipeline (3) are fixedly connected through the elastic fastening member (4).
2. The structure for connecting the premix burner to the duct according to claim 1, wherein: The pipeline joint (2) is provided with a limiting member (5), the elastic fastening member (4) is provided with an open slot (6) corresponding to the limiting member (5), the pipeline (3) is inserted into the pipeline joint (2), the elastic fastening member (4) is fastened on the outer side of the pipeline joint (2) and the pipeline (3), the limiting member (5) is limited on the open slot (6) of the elastic fastening member (4), and the limiting member (5) and the open slot (6) form a limiting and cooperating portion for preventing the elastic fastening member (4) from moving up and down on the pipeline joint (2) and the pipeline (3).
3. The structure for connecting the premix burner to the duct according to claim 2, wherein: The elastic fastening member (4) is provided with an elastic clamping cavity (9) for elastically clamping on the outer side of the pipeline joint (2) and / or the pipeline (3), the elastic fastening member (4) is provided with an open port (10) in communication with the elastic clamping cavity (9), and the open slot (6) penetrates through the left and right sides of the elastic fastening member (4).
4. The structure for connecting the premix burner to the duct according to claim 3, wherein: The distance between the inner sides of the two ends of the open port (10) gradually increases towards the outer side of the elastic clamping cavity (9), so that the open port (10) forms an elastic deformation expansion section in the process of the elastic fastening member (4) being fastened on the corresponding object.
5. The structure for connecting a premix burner to a duct according to claim 4, wherein: The inner sides of the two ends of the open port (10) are provided with fastening guide surfaces (12), and the elastic fastening member (4) is fastened on the outer side of the corresponding object along the fastening guide surfaces (12). The guide surface (12) is an arc surface, and in the process of the elastic fastening member (4) being elastically fastened on the corresponding object, the fastening guide surface (12) and the outer side of the corresponding object form point contact, line contact or surface contact through the arc surface.
6. The structure for connecting the premix burner to the duct according to claim 2, wherein: The open slot (6) is elastically deformed with the elastic fastening member (4) to be fastened on or separated from the limiting member (5), so that the elastic fastening member (4) is detachably mounted between the pipeline joint (2) and the pipeline (3).
7. The structure for connecting the premix burner to the duct according to claim 1, wherein: The elastic fastening member (4) comprises a first fastening member (7) for being fastened on the outer side of the pipeline (3), and the first fastening member (7) is provided with a first arc surface (8) matched with the pipeline (3).
8. The structure for connecting the premix burner to the duct according to claim 7, wherein: The elastic fastening member (4) comprises a second fastening member (11) for being fastened on the outer side of the pipeline joint (2), and the second fastening member (11) is provided with a second arc surface matched with the pipeline joint (2). The outer diameter of the pipeline joint (2) is greater than the outer diameter of the pipeline (3), and the inner diameter of the second fastening member (11) is greater than the inner diameter of the first fastening member (7).
9. The structure for connecting the premix burner to the duct according to claim 1, wherein: The material of the elastic fastening member (4) is metal.
10. A heating stove comprising a stove body (13) in which a premix burner (1) is arranged, characterised in that: The premix burner (1) is provided with the pipeline joint (2) connected with the pipeline (3), and the pipeline joint (2) and the pipeline (3) are provided with the connection structure of the premix burner and the pipeline according to any one of claims 1-9.