Pre-mixing type combustor

Abstract

The pre-mixing type combustor comprises a main positioning plate, a heat insulation support is fixedly connected to the top of the main positioning plate, first bearing seats are symmetrically installed on the left side and the right side of the inner wall of the heat insulation support, and screw rods are rotationally connected into the first bearing seats; one end of the screw rod penetrates to the exterior of the first bearing seat and is fixedly connected with a driven bevel gear, a rotating handle is arranged at the top of the heat insulation support, one end of the rotating handle penetrates to the inner side of the heat insulation support and is fixedly connected with a driving bevel gear matched with the driven bevel gear, and the screw rod is in threaded connection with a translation block in the axial direction; and supporting rods are symmetrically mounted at the top of the translation block. The pre-mixing type combustor is reasonable in structural design and convenient to use, can be rapidly adjusted and installed according to the model and size of the pre-mixing type combustor to be installed, is further suitable for supporting and fixing of different devices, and has high installation efficiency and practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of burners, in particular to a premixing burner. Background Art

[0002] Patent document CN202220552521.8 discloses "a burner bracket that is easy to install", including a device body, a mounting mechanism is provided at the bottom of the device body, the mounting mechanism includes a connecting plate connected to the bottom of the device body, a circular hole is opened inside the connecting plate, a telescopic rod is movably inserted inside the circular hole, a threaded sleeve is provided at the bottom fixed sleeve of the telescopic rod, a rotating block is installed at the top of the telescopic rod, the outer surface of the rotating block is connected to the top of the connecting plate, and a spring is welded to the bottom of the connecting plate. The beneficial effect of the utility model is that the connecting plate is connected to the bottom plate by utilizing the mounting mechanism, and when the device body is in use, the spring combined with the telescopic rod can buffer the vibration force generated by the device body and reduce the generation of noise, and the main function of the arc plate is to support the outer surface of the device body and provide a support point for the outer surface of the device body.

[0003] The base plate in the patent has low adaptability and cannot be adapted and installed on burner mounting plates of different models and sizes. For this reason, we propose a premixing burner to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a premixing burner to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a premixing burner, comprising a main positioning plate, the top of the main positioning plate is fixedly connected to a heat insulation bracket, the left and right sides of the inner wall of the heat insulation bracket are symmetrically installed with a first bearing seat, a screw is rotatably connected in the first bearing seat, one end of the screw passes through the outside of the first bearing seat and is fixedly connected to a driven bevel gear, the top of the heat insulation bracket is provided with a rotating handle, one end of the rotating handle passes through the inner side of the heat insulation bracket and is fixedly connected to an active bevel gear matched with the driven bevel gear, a translation block is axially threaded on the screw, a support rod is symmetrically installed on the top of the translation block, the heat insulation bracket is provided with a through groove matched with the support rod at the position corresponding to the support rod, the top of the support rod passes through the outside of the through groove, and the top ends of the two support rods on the same translation block are fixedly connected by a secondary adjustment mechanism, the secondary adjustment mechanism is installed with a secondary positioning plate, and the top of the secondary positioning plate is fixedly installed with a burner body.

[0006] Furthermore, the secondary adjustment mechanism includes a fixed shell, which is fixedly connected to the top ends of two support rods on the same side, and the interior of the fixed shell is slidably connected to two sliders, and the outer sides of the sliders are slidably connected to the inner wall of the fixed shell through two guide support blocks. The top of the slider passes through the outside of the fixed shell and is fixedly connected to a threaded rod, and a connecting frame is fixedly installed on the surface of the slider located on the outside of the fixed shell, and a screw sleeve is fixedly installed on the outer side of the connecting frame, and a locking bolt is provided on the inner side of the screw sleeve.

[0007] Furthermore, the four mounting holes on the auxiliary positioning plate are respectively plugged into four threaded rods, and compression nuts are threadedly connected on the surfaces of the threaded rods corresponding to the tops of the auxiliary positioning plates.

[0008] Furthermore, the locking bolt is threadedly connected to the threaded sleeve, and a plurality of locking holes matched with the locking bolts are equidistantly formed on the outer side of the fixing shell.

[0009] Furthermore, a second bearing seat is fixedly mounted on the top of the inner wall of the heat insulation bracket corresponding to the side of the driven bevel gear, and the screw rod is movably connected to the second bearing seat.

[0010] Furthermore, positioning bolts are provided at the four corners of the top of the main positioning plate, and the bottom ends of the positioning bolts penetrate to the outside of the main positioning plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model utilizes a positioning bolt to achieve the fixation of the main positioning plate and the heat insulation bracket. According to the length of the auxiliary positioning plate at the bottom of the burner body, the rotating handle can be rotated so that the active bevel gear drives the driven bevel gear to rotate, thereby driving the screw to rotate under the connection of the first bearing seat and the second bearing seat. The translation block threadedly connected thereto can drive the fixed shell and the slider inside it to move in the left and right directions under the connection guide of the support rod and the through groove, thereby adjusting the left and right positions of the threaded plug rod. Similarly, according to the width of the auxiliary positioning plate, under the connection of the guide support block, the slider can be toggled forward and backward in the fixed shell. After determining the position, the locking bolt is rotated, and under the threaded connection with the screw sleeve, the locking bolt is inserted into the corresponding locking hole, so that the four mounting holes on the auxiliary positioning plate can be inserted into the four threaded plug rods, and then the clamping nut is tightened to fix it. The premixed burner has a reasonable structural design and is easy to use. It can be quickly adjusted and installed according to the model and size of the premixed burner to be installed, thereby adapting to different equipment support and fixed use, so that it has high installation efficiency and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural cross-sectional view of the utility model;

[0014] Figure 2 It is a structural cross-sectional view of the two-stage regulating mechanism of the utility model;

[0015] Figure 3 It is a three-dimensional structural schematic diagram of the fixed shell of the utility model;

[0016] Figure 4 It is a three-dimensional structural schematic diagram of the thermal insulation bracket of the utility model.

[0017] In the figure: 1 main positioning plate, 2 heat insulation bracket, 3 first bearing seat, 4 screw, 5 driven bevel gear, 6 rotating handle, 7 driving bevel gear, 8 translation block, 9 support rod, 10 secondary adjustment mechanism, 101 fixed shell, 102 slider, 103 guide support block, 104 threaded rod, 105 connecting frame, 106 threaded sleeve, 107 locking bolt, 108 clamping nut, 109 locking hole, 11 auxiliary positioning plate, 12 burner body, 13 second bearing seat, 14 positioning bolt. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 A premixed burner comprises a main positioning plate 1, a heat insulation bracket 2 is fixedly connected to the top of the main positioning plate 1, a first bearing seat 3 is symmetrically installed on the left and right sides of the inner wall of the heat insulation bracket 2, a screw 4 is rotatably connected in the first bearing seat 3, one end of the screw 4 penetrates through the first bearing seat 3 and is fixedly connected to the outside of the driven bevel gear 5, a rotating handle 6 is provided on the top of the heat insulation bracket 2, one end of the rotating handle 6 penetrates through the inner side of the heat insulation bracket 2 and is fixedly connected to the driving bevel gear 7 adapted to the driven bevel gear 5, and the screw 4 is axially A translation block 8 is threadedly connected, and a support rod 9 is symmetrically installed on the top of the translation block 8. A through groove adapted to the support rod 9 is opened at the position of the heat insulation bracket 2 corresponding to the support rod 9. The top of the support rod 9 passes through the outside of the through groove. The tops of the two support rods 9 on the same translation block 8 are fixedly connected by a secondary adjustment mechanism 10. A secondary positioning plate 11 is installed on the secondary adjustment mechanism 10. A burner body 12 is fixedly installed on the top of the secondary positioning plate 11. The burner body 12 adopts a premixed burner. This is a mature existing technology and will not be repeated here.

[0020] Specifically, the secondary adjustment mechanism 10 includes a fixed shell 101, which is fixedly connected to the top ends of the two support rods 9 on the same side. Two sliders 102 are slidably connected inside the fixed shell 101. The outer sides of the sliders 102 are slidably connected to the inner wall of the fixed shell 101 through two guide support blocks 103. The top of the slider 102 passes through the outside of the fixed shell 101 and is fixedly connected to a threaded rod 104. A connecting frame 105 is fixedly installed on the surface of the slider 102 located on the outside of the fixed shell 101, and a screw sleeve 106 is fixedly installed on the outer side of the connecting frame 105. A locking bolt 107 is provided on the inner side of the screw sleeve 106.

[0021] Specifically, the four mounting holes on the auxiliary positioning plate 11 are respectively plugged into the four threaded rods 104 , and the surfaces of the threaded rods 104 and corresponding to the tops of the auxiliary positioning plate 11 are threadedly connected with compression nuts 108 .

[0022] Specifically, the locking bolt 107 is threadedly connected to the threaded sleeve 106 , and a plurality of locking holes 109 matching the locking bolt 107 are equidistantly formed on the outer side of the fixing shell 101 .

[0023] Specifically, a second bearing seat 13 is fixedly installed on the top of the inner wall of the heat insulation bracket 2 corresponding to the side of the driven bevel gear 5, and the screw 4 is movably connected to the second bearing seat 13. The second bearing seat 13 can cooperate with the first bearing seat 3 to improve the stability of the screw when rotating.

[0024] Specifically, positioning bolts 14 are provided at the four corners of the top of the main positioning plate 1 , and the bottom ends of the positioning bolts 14 penetrate to the outside of the main positioning plate 1 .

[0025] The premixing burner has a reasonable structural design and is easy to use. It can be quickly adjusted and installed according to the model and size of the premixing burner to be installed, and then adapted to different equipment supports for fixed use, so that it has high installation efficiency and practicality.

[0026] When in use, the positioning bolt 14 is used to fix the main positioning plate 1 and the insulation bracket 2. According to the length of the auxiliary positioning plate at the bottom of the burner body 12, the rotating handle 6 can be rotated so that the active bevel gear 7 drives the driven bevel gear 5 to rotate, and then drives the screw 4 to rotate under the connection of the first bearing seat 3 and the second bearing seat 13. The translation block 8 threadedly connected thereto can drive the fixed shell 101 and the slider 102 inside it to move left and right under the connection guidance of the support rod 9 and the through groove, so as to adjust the left and right position of the threaded insert rod 104. Similarly, according to the width of the auxiliary positioning plate 11, under the connection of the guide support block 103, the slider 102 can be moved back and forth in the fixed shell 101. After determining the position, the locking bolt 107 is rotated. Under the threaded connection with the screw sleeve 106, the locking bolt 107 is inserted into the corresponding locking hole 109, and the four mounting holes on the auxiliary positioning plate 11 can be inserted into the four threaded insert rods 104, and then the clamping nut 108 is tightened to fix it.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A premixing burner, comprising a main positioning plate (1), characterized in that: The top of the main positioning plate (1) is fixedly connected to a heat insulation bracket (2), and the left and right sides of the inner wall of the heat insulation bracket (2) are symmetrically installed with a first bearing seat (3), and a screw rod (4) is rotatably connected inside the first bearing seat (3), and one end of the screw rod (4) penetrates through the outside of the first bearing seat (3) and is fixedly connected to a driven bevel gear (5), and a rotating handle (6) is provided on the top of the heat insulation bracket (2), and one end of the rotating handle (6) penetrates through the inside of the heat insulation bracket (2) and is fixedly connected to an active bevel gear (7) adapted to the driven bevel gear (5). The screw rod (4) is axially threadedly connected with a translation block (8), a support rod (9) is symmetrically installed on the top of the translation block (8), and a through groove adapted to the support rod (9) is opened at a position corresponding to the support rod (9) on the heat insulation bracket (2), and the top of the support rod (9) passes through the outside of the through groove. The tops of the two support rods (9) located on the same translation block (8) are fixedly connected by a secondary adjustment mechanism (10), and a secondary positioning plate (11) is installed on the secondary adjustment mechanism (10), and a burner body (12) is fixedly installed on the top of the secondary positioning plate (11).

2. A premix burner according to claim 1, characterized in that: The secondary adjustment mechanism (10) comprises a fixed shell (101), wherein the fixed shell (101) is fixedly connected to the top ends of two support rods (9) on the same side, and two sliders (102) are slidably connected inside the fixed shell (101), and the outer sides of the sliders (102) are slidably connected to the inner wall of the fixed shell (101) through two guide support blocks (103), and the top of the slider (102) passes through the outside of the fixed shell (101) and is fixedly connected to a threaded plug rod (104), and a connecting frame (105) is fixedly installed on the surface of the slider (102) located outside the fixed shell (101), and a screw sleeve (106) is fixedly installed on the outer side of the connecting frame (105), and a locking bolt (107) is provided on the inner side of the screw sleeve (106).

3. A premix burner according to claim 2, characterized in that: The four mounting holes on the auxiliary positioning plate (11) are respectively plugged into four threaded rods (104), and a clamping nut (108) is threadedly connected on the surface of the threaded rod (104) corresponding to the top of the auxiliary positioning plate (11).

4. A premix burner according to claim 3, characterized in that: The locking bolt (107) is threadedly connected to the threaded sleeve (106), and a plurality of locking holes (109) matching the locking bolt (107) are equidistantly provided on the outer side of the fixing shell (101).

5. A premix burner according to claim 4, characterized in that: A second bearing seat (13) is fixedly mounted on the top of the inner wall of the heat insulation bracket (2) corresponding to the side of the driven bevel gear (5), and the screw rod (4) is movably connected to the second bearing seat (13).

6. A premix burner according to claim 5, characterized in that: Positioning bolts (14) are provided at the four corners of the top of the main positioning plate (1), and the bottom ends of the positioning bolts (14) penetrate to the outside of the main positioning plate (1).

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