Multi-angle fire outlet heating head
By designing a multi-angle flame-out heating head and utilizing detachable flame-out components and sealing parts, the problem that existing heating devices can only produce flame at a fixed angle has been solved, achieving uniform heating of copper tubes and expanding their applicability.
Patent Information
- Application Number
- CN202520421663.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-11
AI Technical Summary
Existing heating devices can only emit fire at a fixed angle, resulting in uneven heating of the copper tubes and limited applicability.
A multi-angle flame-out heating head is designed. By assembling and disassembling detachable flame-out components and sealing parts, flames can be emitted at different angles, thus expanding the range of applications.
This achieves uniform heating of the copper tube, expands the application range of the heating device, and improves the heating effect and applicability.
Smart Images

Figure CN223795271U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to heating device technical field, more specifically relates to multi -angle fire heating head. BACKGROUND
[0002] In the maintenance of refrigeration equipment, often need to heat copper pipe etc.
[0003] At present, the heating of copper pipe adopts welding device and does not use special heating device. The fire head of welding device adopts circular tube straight line fire. The disadvantage of circular tube straight line fire is that copper pipe is only heated in small part, and the local heating part is also uneven. In order to improve the heating effect, the fire head of the existing part of copper pipe welding gun adopts hook structure, and a plurality of circumferentially distributed fire outlets are arranged on the hook structure.
[0004] However, whether it is straight line fire or ring fire, the existing heating device is only fixed angle fire, and the function is weak, and the applicability is low. INVENTION CONTENTS
[0005] The utility model provides a multi -angle fire heating head for the insufficient of the existing heating device only fixed angle fire, and realizes different angle fire through dismounting.
[0006] In order to achieve the above object, the utility model adopts the following technical scheme: multi -angle fire heating head, the multi -angle fire heating head includes:
[0007] The fire head main body includes the main shell for forming the main gas passage, and the main gas passage includes the main air inlet, the main air outlet and the main end part air outlet located at the end of the main air outlet.
[0008] The detachable fire assembly includes the detachable air outlet part connected with the fire head main body, and the detachable air outlet part has the movable gas passage that can be communicated with the main end part air outlet of the main gas passage.
[0009] The plugging piece is installed on the main end part air outlet of the main shell to realize the first angle fire, and the detachable fire assembly is installed on the main shell to realize the second angle fire.
[0010] The plugging piece is installed on the main end part air outlet of the main shell to realize the first angle fire, and the detachable fire assembly is installed on the main shell to realize the second angle fire.
[0011] The utility model discloses a multi-angle fire outlet heating head, including the fire outlet head main part, detachable fire outlet assembly and plugging piece, the plugging piece installs in the main end part gas outlet of main shell realizes the first angle fire outlet, and the detachable fire outlet assembly installs on the main shell and realizes the second angle fire outlet (the plugging piece is removed from the fire outlet head main part at this time), to realize different fire outlet angle, expand the scope of application. When the detachable fire outlet assembly has only one detachable gas piece, the second angle is one (such as 270 DEG), when the detachable fire outlet assembly has multiple, the second angle can also be multiple (such as 180 DEG and 270 DEG) when the detachable gas piece.
[0012] As improvement, the fire outlet is substantially uniform at all angles of the fire outlet head.
[0013] As improvement, the detachable gas piece is tightly fitted and inserted into the main shell.
[0014] As improvement, the detachable gas piece is inserted into the main shell.
[0015] As improvement, the main gas outlet of the main shell is flared, and the detachable gas piece includes a main body portion and a necked portion. The main body portion is sized to fit and abut the main gas outlet of the main shell, and the necked portion is inserted into the main gas outlet. Alternatively, the detachable gas piece can be fitted over the main shell.
[0016] As improvement, the main gas outlet has a radial outer wall with a hole. The plugging piece is inserted into the hole when the first angle is used, and the detachable gas piece seals the hole when the second angle is used.
[0017] As improvement, the detachable gas piece has at least two, and the two detachable gas pieces are fitted together. The fitting structure between the two detachable gas pieces is the same as the fitting structure between the detachable gas piece and the main shell.
[0018] As improvement, the fire outlet head main body further includes a main fire outlet piece disposed at the main gas outlet of the main shell. The main fire outlet piece has a plurality of main fire outlet holes; and / or,
[0019] The detachable fire outlet assembly further includes a detachable fire outlet piece disposed at the adjustable gas outlet. The detachable fire outlet piece has a plurality of adjustable fire outlet holes.
[0020] As improvement, the main end portion gas outlet has two and is left-right symmetrical; and the detachable gas piece has at least two.
[0021] As improvement, the at least two detachable gas pieces are the same; and the at least two plugging pieces are the same.
[0022] As improvement, the end of the detachable gas piece away from the main shell is closed.
[0023] Alternatively, the end of the detachable gas piece away from the main shell is closed by the plugging piece.
[0024] Or, the main end part gas outlet has two, the multi-angle fire heating head only has one detachable gas piece, and the two ends of the detachable gas piece are respectively tightly matched and inserted with the two main end part gas outlets and are sealed after that.
[0025] The multi-angle fire heating head has the advantages that: the multi-angle fire heating head comprises a fire head main body, a detachable fire assembly and a plugging piece, the plugging piece is installed at the main end part gas outlet of the main shell to realize first-angle fire, and the detachable fire assembly is installed on the main shell to realize second-angle fire (at this time, the plugging piece is removed from the fire head main body), so that different fire angles are realized, and the application range is expanded. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 is a structure schematic view of the fire head of the utility model embodiment one (when the smallest angle fire is realized).
[0027] Figure 2 is a structure schematic view of the fire head of the utility model embodiment one (when the largest angle fire is realized).
[0028] Figure 3 is Figure 2 the exploded view.
[0029] Figure 4 is Figure 2 the sectional view.
[0030] Figure 5 is a structure schematic view of the fire head main body of the fire head of the utility model embodiment one.
[0031] Figure 6 is a structure schematic view of the detachable fire assembly of the fire head of the utility model embodiment one.
[0032] Figure 7 is a sectional view of the fire head of the utility model embodiment one (when the middle angle fire is realized).
[0033] Figure 8 is a sectional view of the fire head of the utility model embodiment two (when the smallest angle fire is realized).
[0034] In the figure, 01, the fire head main body;
[0035] 1, the main shell; 11, the main air inlet; 12, the main gas outlet; 13, the main end part gas outlet; 14, the insertion slot;
[0036] 2, the main fire piece; 21, the main fire hole;
[0037] 02, the detachable fire assembly;
[0038] 3, the detachable gas piece; 31, the main body part; 32, the necked part;
[0039] 4. detachable fire element;
[0040] 5. blocking element. DETAILED DESCRIPTION
[0041] The technical solutions of the embodiments of the utility model are explained and described below, but the following embodiments are only preferred embodiments of the utility model creation, not all. Based on the embodiments in the embodiments, other embodiments obtained by the person skilled in the art without making creative labor all belong to the protection scope of the utility model creation.
[0042] Referring to Figures 1 to 8 The multi-angle fire outlet heating head of the embodiment of the utility model comprises:
[0043] The fire outlet head main body comprises a main shell for forming a main gas passage, and the main gas passage comprises a main air inlet, a main air outlet and a main end air outlet located at the end of the main air outlet.
[0044] The detachable fire assembly comprises a detachable air element detachably connected with the fire outlet head main body, and the detachable air element has a movable air passage that can communicate with the main end air outlet of the main gas passage.
[0045] The blocking element;
[0046] When the blocking element is installed at the main end air outlet of the main shell, the first angle fire outlet is realized, and when the detachable fire assembly is installed on the main shell, the second angle fire outlet is realized.
[0047] The multi-angle fire outlet heating head of the utility model comprises a fire outlet head main body, a detachable fire assembly and a blocking element, when the blocking element is installed at the main end air outlet of the main shell, the first angle fire outlet is realized, and when the detachable fire assembly is installed on the main shell, the second angle fire outlet is realized (at this time, the blocking element is removed from the fire outlet head main body), so that different fire outlet angles are realized, and the application range is expanded. The second angle can be one or more.
[0048] Embodiment one
[0049] Referring to Figures 1 to 7 The multi-angle fire outlet heating head of the embodiment one of the utility model comprises:
[0050] The fire outlet head main body 01 comprises a main shell 1 for forming a main gas passage, and the main gas passage comprises a main air inlet 11, a main air outlet 12 and a main end air outlet 13 located at the end of the main air outlet 12.
[0051] The detachable fire assembly 02 comprises detachable gas parts 3 detachably connected with the fire head main body 01, and the detachable gas parts 3 have movable gas channels which can communicate with the main end gas outlet 13 of the main gas channel, and the movable gas channels comprise movable gas inlets and adjustable gas outlets.
[0052] The blocking parts 5;
[0053] The first angle of fire is realized when the blocking parts 5 are installed at the main end gas outlet 13 of the main shell 1, and the second angle of fire is realized when the detachable fire assembly 02 is installed on the main shell 1.
[0054] In the embodiment, the detachable gas parts 3 are four, and the two detachable gas parts 3 are connected with each other in the same way as the detachable gas parts 3 and the main shell 1.
[0055] In the embodiment, the main end gas outlet 13 is two and symmetrical. In other embodiments, the main shell 1 can also be asymmetrical.
[0056] In the embodiment, the detachable gas parts 3 are four. The detachable gas parts 3 also have adjustable end gas outlets, and the insertion slots 14 are arranged at the adjustable end gas outlets. The number and position of the detachable gas parts 3 can be selected according to needs, such as Figure 1 not installing the detachable gas parts 3, like Figure 2 installing all the four detachable gas parts 3, or like Figure 7 installing three detachable gas parts 3, etc.
[0057] In the embodiment, the four detachable gas parts 3 are the same, and the two blocking parts 5 are the same.
[0058] Referring to Figure 1 , in the embodiment, when the detachable fire assembly 02 is not installed, the angle of fire of the fire head (the first angle) is the smallest, about 130°.
[0059] Referring to Figure 2 , in the embodiment, when all the detachable fire assemblies 02 are installed, the angle of fire of the fire head (the second angle) is the largest, about 286° (360°-74°). When only two detachable fire assemblies 02 are installed (one on the left and one on the right), the angle of fire of the fire head is about 206°. Of course, only one detachable fire assembly 02 or three detachable fire assemblies 02 can also be installed.
[0060] In other embodiments, the first angle and the second angle can also be other sizes, such as the first angle is 40° to 180°, and the second angle is 60° to 360°. When the first angle is 180° and the second angle is 360°, the angle of gas outlet of the main shell 1 is 180°, and the detachable gas part 3 is only one and the angle of gas outlet is 180°.
[0061] In this embodiment, the detachable air component 3 is tightly inserted into the main shell 1 and sealed.
[0062] In this embodiment, the detachable air component 3 is inserted into the main shell 1. In other embodiments, the detachable air component 3 can be sleeved on the main shell 1, for example, the main shell 1 has a constricted opening and the detachable air component 3 has an expanded opening.
[0063] In this embodiment, the main air outlet 12 of the main shell 1 is expanded, the detachable air component 3 includes a main body part 31 and a constricted part 32, the main body part 31 is sized to fit and abut the main air outlet 12 of the main shell 1, and the constricted part 32 is inserted into the main air outlet 12.
[0064] In this embodiment, the radial outer wall of the main air outlet 12 is provided with a plug hole, the plug hole is plugged by the blocking component 5 when the first angle is fired, and the plug hole is blocked by the detachable air component 3 when the second angle is fired.
[0065] In this embodiment, the outfire head main body 01 further includes a main outfire component 2 arranged at the main air outlet 12 of the main shell 1, and the main outfire component 2 has a plurality of main outfire holes 21. The main outfire component 2 is a mesh structure, and the main outfire component 2 has a large number of main outfire holes 21. In other embodiments, nozzles can be provided on the main outfire component 2 instead of the main outfire holes 21.
[0066] In this embodiment, the detachable outfire component 02 further includes a detachable outfire component 4 arranged at the adjusting air outlet, and the detachable outfire component 4 has a plurality of adjusting outfire holes. The detachable outfire component 4 is a mesh structure, and the detachable outfire component 4 has a large number of adjusting outfire holes. In other embodiments, nozzles can be provided on the detachable outfire component 4 instead of the adjusting outfire holes.
[0067] In this embodiment, the blocking component 5 is made of a fire-resistant material with a certain elasticity, and the blocking component 5 abuts against the main outfire component 2 or the adjusting arc-shaped outfire component.
[0068] In this embodiment, the main outfire component 2 and the main shell 1 are welded; the detachable outfire component 4 and the detachable air component 3 are welded.
[0069] In this embodiment, the end of the detachable air component 3 away from the main shell 1 is closed by the blocking component 5.
[0070] In other embodiments, the end of the detachable air component 3 away from the main shell 1 can also be closed (in this case, the detachable air component 3 cannot be connected), or the main end air outlet 13 has two, the multi-angle outfire heating head has only one detachable air component 3, and the two ends of the detachable air component 3 are tightly inserted into the two main end air outlets 13 and sealed.
[0071] In this embodiment, the cross section of the detachable air component 3 is U-shaped. The main outfire component 2 and the detachable outfire component 4 are both arc-shaped pieces.
[0072] The beneficial effects of the multi-angle flame-out heating head of Embodiment 1 of this utility model are as follows: it includes a flame-out head body 01, a detachable flame-out component 02, and a sealing component 5. When the sealing component 5 is installed at the main end outlet 13 of the main housing 1, a first-angle flame-out is achieved. When the detachable flame-out component 02 is installed on the main housing 1, a second-angle flame-out is achieved (at this time, the sealing component 5 is removed from the flame-out head body 01), thereby achieving different flame-out angles, expanding the scope of application, and improving applicability or heating effect. The detachable flame-out component 02 and the flame-out head body 01 are sealed by a tight fit, resulting in a simple structure. The detachable flame-out components 02 are also sealed by a tight fit, resulting in a simple structure. The sealing of the ends of the flame-out head body 01 or the detachable flame-out component 02 is achieved by the sealing plate. The operation is simple and convenient. The detachable structure is also beneficial for transportation and storage.
[0073] Example 2
[0074] See Figure 8 The difference between Example 2 and Example 1 lies in the main body 01 of the fire-emitting head.
[0075] In this embodiment, the main body 01 of the flame outlet is asymmetrical (relative to the axis of the main air inlet 11). When the detachable flame outlet assembly 02 is installed (there is only one detachable air outlet component 3), the heating head can be symmetrical.
[0076] The above description is merely a specific embodiment of this utility model, but the scope of protection of this utility model is not limited thereto. Those skilled in the art should understand that this utility model includes, but is not limited to, the content described in the above specific embodiments. Any modifications that do not depart from the functional and structural principles of this utility model will be included within the scope of the claims.
Claims
1. A multi-angle flame-out heating head, characterized in that: The multi-angle firing heating head includes: The main body of the flame head (01) includes a main outer shell (1) for forming the main gas passage. The main gas passage includes a main air inlet (11), a main air outlet (12) and a main end air outlet (13) located at the end of the main air outlet (12). The detachable flame assembly (02) includes a detachable gas outlet component (3) that is detachably connected to the flame head body (01). The detachable gas outlet component (3) has an active gas channel that can communicate with the main end gas outlet (13) of the main gas channel. The active gas channel includes an active gas inlet and an adjustable gas outlet. Sealing component (5); When the sealing component (5) is installed at the main end air outlet (13) of the main housing (1), the first angle of fire is achieved; when the detachable fire-ejecting component (02) is installed on the main housing (1), the second angle of fire is achieved.
2. The multi-angle flame-out heating head according to claim 1, characterized in that: The detachable air component (3) is tightly fitted and sealed with the main housing (1).
3. The multi-angle flame-out heating head according to claim 2, characterized in that: The removable air component (3) is inserted into the main housing (1).
4. The multi-angle flame-out heating head according to claim 3, characterized in that: The main air outlet (12) of the main housing (1) is flared. The detachable air outlet (3) includes a main body (31) and a constricted part (32). The main body (31) is adapted to and connected to the main air outlet (12) of the main housing (1). The constricted part (32) is inserted into the main air outlet (12).
5. The multi-angle flame-out heating head according to claim 4, characterized in that: An insertion hole is opened on the radial outer wall of the main air outlet (12). When the first angle of fire is emitted, the sealing part (5) is inserted into the insertion hole. When the second angle of fire is emitted, the air part (3) can be removed to seal the insertion hole.
6. The multi-angle flame-out heating head according to any one of claims 1 to 5, characterized in that: There are at least two detachable gas components (3), two of which are plugged in, and the plugging structure between the two detachable gas components (3) is the same as the plugging structure between the detachable gas components (3) and the main housing (1).
7. The multi-angle flame-out heating head according to claim 1, characterized in that: The main body of the flame head (01) also includes a main flame outlet (2) located at the main air outlet (12) of the main outer casing (1), the main flame outlet (2) having a plurality of main flame outlet holes (21); and / or, The detachable flame assembly (02) also includes a detachable flame part (4) located at the adjustable vent, the detachable flame part (4) having several adjustable flame holes.
8. The multi-angle flame-out heating head according to claim 1, characterized in that: There are two air outlets (13) at the main end, which are symmetrical on the left and right; there are at least two detachable air outlets (3).
9. The multi-angle flame-out heating head according to claim 8, characterized in that: At least two detachable air outlets (3) are identical; at least two sealing elements (5) are identical.
10. The multi-angle flame-out heating head according to claim 1, characterized in that: The end of the removable gas component (3) away from the main housing (1) is closed; Alternatively, the end of the removable gas component (3) away from the main housing (1) may be sealed by a plug (5); Alternatively, there are two main end air outlets (13), and the multi-angle flame heating head has only one detachable air outlet (3). The two ends of the detachable air outlet (3) are tightly fitted and inserted into the two main end air outlets (13) and then sealed.