Stainless steel double-layer chimney convenient to install

Abstract

The utility model discloses a stainless steel double-layer chimney convenient to install, and relates to the technical field of stainless steel double-layer chimneys, the stainless steel double-layer chimney convenient to install comprises a wall body, a connecting block is fixedly connected to one side of the wall body, clamping grooves are formed in the two sides of the connecting block, and a first chimney body is connected to the right side of the wall body; a fixing plate is welded to the outer surface of the first chimney body, a placement groove is formed in the fixing plate, a two-way screw rod is rotatably connected to the interior of the placement groove, and a handle is connected to the left side of the two-way screw rod. The handle is rotated, so that the two-way lead screw rotates in the containing groove, meanwhile, the threaded sleeve in threaded connection with the two-way lead screw can drive the clamping block to move left and right, the clamping block is connected with the clamping groove in the position of the connecting block in a clamped mode, and therefore the first chimney body and the wall body can be conveniently and rapidly installed.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel double-layer chimneys, in particular to a stainless steel double-layer chimney which is easy to install. Background Art

[0002] Stainless steel double-layer chimney is a chimney with a double-layer structure design. The inner and outer layers are usually made of stainless steel. Boilers, generators, direct-fired engines, etc. need to discharge the flue gas generated through the corresponding stainless steel chimney during operation.

[0003] There is a stainless steel chimney that is easy to install, such as the Chinese patent publication number CN218442354U, which includes a bottom pipe, a middle pipe and a top pipe. The bottom pipe is fixedly installed with a lower sliding sleeve, the outer sliding sleeve of the middle pipe is provided with an upper sliding sleeve, the middle pipe is fixedly installed with a hollow plate, a pulling assembly is provided in the hollow plate, and the pulling assembly is connected to the upper sliding sleeve, the top pipe is axially slidably installed in the middle pipe, a plurality of fixings are provided on the middle pipe, and the middle pipe and the top pipe are fixedly connected by a plurality of fixings, an opening and closing assembly is provided at the top of the top pipe, and a hinge block is fixedly installed at one end of the middle pipe and the bottom pipe that are close to each other. The utility model has a reasonable design, a simple structure, and is easy to operate. It is convenient for quick disassembly and storage. At the same time, it can automatically close the top opening of the top pipe when the top pipe is not exhausting air upwards, thereby preventing debris from entering. It has good practicality, but its device still has certain defects;

[0004] The device includes multiple components such as a lower sliding sleeve, an upper sliding sleeve, a hollow plate, a pulling component, a fixing part, an opening and closing component and a hinge block. Its manufacturing cost is relatively high. The sliding and connecting parts may wear out due to frequent use, affecting the long-term stability and durability of the equipment. When certain components are damaged or need to be replaced, specific skills and tools are required, and its maintenance is difficult.

[0005] So we proposed a stainless steel double-layer chimney that is easy to install in order to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a stainless steel double-layer chimney that is easy to install, so as to solve the problem that the existing stainless steel double-layer chimney device proposed in the above background technology includes multiple components such as a sliding sleeve, an upper sliding sleeve, a hollow plate, a pulling component, a fixing part, an opening and closing component and a hinge block, and its manufacturing cost is relatively high, and the sliding and connecting parts may be worn due to frequent use, affecting the long-term stability and durability of the equipment, and when some components are damaged or need to be replaced, specific skills and tools are required, and its maintenance is difficult.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a stainless steel double-layer chimney that is easy to install, including a wall, a connecting block is fixedly connected to one side of the wall, and both sides of the connecting block are provided with clamping grooves, the right side of the wall is connected to a first chimney body, and a fixing plate is welded to the outer surface of the first chimney body, a placement groove is provided inside the fixing plate, and a bidirectional screw rod is rotatably connected inside the placement groove, a handle is connected to the left side of the bidirectional screw rod, and a threaded sleeve is threadedly connected to the outer surface of the bidirectional screw rod, and a clamping block is welded to one side of the threaded sleeve.

[0008] The bidirectional screw is connected to the placement slot through a bearing. Turning the handle can drive the bidirectional screw to rotate, so that the block connected to the external thread of the bidirectional screw moves and is connected or separated from the slot at the connection block.

[0009] Preferably, a limiting block is welded to the bottom of the first chimney body, and the second chimney body is snap-connected to the bottom of the first chimney body, and a limiting groove is provided at the top of the second chimney body.

[0010] With the above structural design, the first chimney body and the second chimney body form a locking structure through the limiting block and the limiting groove, and the limiting block and the limiting groove can be separated to disassemble the first chimney body and the second chimney body.

[0011] Preferably, the limiting block is symmetrically arranged with respect to the central axis of the first chimney body, and a positioning groove is provided on one side of the limiting block, and the interior of the positioning groove is movably connected with the positioning block.

[0012] With the above structural design, the positioning block and the positioning groove at the limiting block form a snap-fit ​​structure, and the positioning block is symmetrically arranged with respect to the central axis of the second chimney body.

[0013] Preferably, a connecting plate is welded to one side of the positioning block, and a tension spring is connected to the right side of the connecting plate, and the tension spring is fixedly connected to the second chimney body.

[0014] With the above structural design, the connecting plate is pulled to drive the positioning block to move, and the tension spring is pulled to separate the positioning block from the limit block. The connecting plate is loosened, and the tension spring can drive the connecting plate and the positioning block to reset.

[0015] Preferably, a cavity is provided inside the second chimney body, and a connecting rod is slidably connected inside the cavity.

[0016] With the above structural design, the cavity is symmetrically arranged about the central axis of the second chimney body, and the connecting rod is located inside the cavity and passes through the positioning block, thereby preventing the positioning block from moving.

[0017] Preferably, a return spring is welded between the connecting rod and the cavity, and a guide rod is connected to one side of the connecting rod.

[0018] With the above structural design, the guide rod is pulled so that the guide rod drives the connecting rod to move. When the connecting rod moves, the reset spring can be squeezed to loosen the connecting rod, and the reset spring can drive the connecting rod to reset.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the stainless steel double-layer chimney is easy to install;

[0020] 1. Through the connection block, the card slot, the first chimney body, the fixing plate, the placement slot, the bidirectional screw rod, the handle, the threaded sleeve and the card block, the handle is turned to make the bidirectional screw rod rotate inside the placement slot. At the same time, the threaded sleeve connected to the bidirectional screw rod can drive the card block to move left and right, so that the card block is engaged with the card slot at the connection block, so as to facilitate the rapid installation of the first chimney body and the wall;

[0021] 2. By setting the limit block, the second chimney body, the limit groove, the positioning groove, the positioning block, the connecting plate, the tension spring, the cavity, the connecting rod, the reset spring and the guide rod, the guide rod is pulled to make the guide rod drive the connecting rod to move, the connecting plate is pulled, and then the first chimney body and the second chimney body are clamped together through the limit block and the limit groove, and then the connecting plate is loosened, so that the tension spring drives the positioning block to reset and engage with the positioning groove at the limit block, and then the guide rod is loosened, so that the guide rod and the connecting rod are reset through the reset spring and engage with the positioning block, so that the first chimney body and the second chimney body can be quickly installed and disassembled, and the internal cleaning is convenient at a later time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the cross-sectional structure of the utility model from top view;

[0023] Figure 2 This is a schematic diagram of the front view structure of the utility model;

[0024] Figure 3 It is a schematic diagram of a partial front view cutaway structure of the utility model;

[0025] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0026] Figure 5 It is a schematic diagram of the three-dimensional structure of the utility model.

[0027] In the figure: 1. wall; 2. connecting block; 3. slot; 4. first chimney body; 5. fixing plate; 6. placement slot; 7. bidirectional screw rod; 8. handle; 9. threaded sleeve; 10. block; 11. limit block; 12. second chimney body; 13. limit slot; 14. positioning slot; 15. positioning block; 16. connecting plate; 17. tension spring; 18. cavity; 19. connecting rod; 20. return spring; 21. guide rod. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figure 1-5 The utility model provides a technical solution: a stainless steel double-layer chimney that is easy to install, including a wall 1, a connecting block 2 is fixedly connected to one side of the wall 1, and both sides of the connecting block 2 are provided with a card slot 3, a first chimney body 4 is connected to the right side of the wall 1, and a fixing plate 5 is welded to the outer surface of the first chimney body 4, a placement groove 6 is opened inside the fixing plate 5, and a bidirectional screw rod 7 is rotatably connected inside the placement groove 6, a handle 8 is connected to the left side of the bidirectional screw rod 7, and a threaded sleeve 9 is threadedly connected to the outer surface of the bidirectional screw rod 7, and a card block 10 is welded to one side of the threaded sleeve 9.

[0030] The bidirectional screw rod 7 is connected to the placement slot 6 through a bearing. Turning the handle 8 can drive the bidirectional screw rod 7 to rotate, so that the clamping block 10 connected to the external thread of the bidirectional screw rod 7 moves and is clamped or separated from the clamping slot 3 at the connection block 2.

[0031] The bottom of the first chimney body 4 is welded to a limiting block 11, and the bottom of the first chimney body 4 is snap-connected to the second chimney body 12, and a limiting groove 13 is provided on the top of the second chimney body 12. The first chimney body 4 and the second chimney body 12 form a snap-fit ​​structure through the limiting block 11 and the limiting groove 13. The limiting block 11 and the limiting groove 13 can be separated to disassemble the first chimney body 4 and the second chimney body 12.

[0032] The limit block 11 is symmetrically arranged about the central axis of the first chimney body 4, and a positioning groove 14 is opened on one side of the limit block 11, and a positioning block 15 is movably connected inside the positioning groove 14, the positioning block 15 and the positioning groove 14 at the limit block 11 form a snap-fit ​​structure, and the positioning block 15 is symmetrically arranged about the central axis of the second chimney body 12.

[0033] A connecting plate 16 is welded to one side of the positioning block 15, and a tension spring 17 is connected to the right side of the connecting plate 16, and the tension spring 17 is fixedly connected to the second chimney body 12. The connecting plate 16 is pulled so that the connecting plate 16 drives the positioning block 15 to move, and the tension spring 17 is pulled so that the positioning block 15 is separated from the limit block 11. The connecting plate 16 is loosened, and the tension spring 17 can drive the connecting plate 16 and the positioning block 15 to reset.

[0034] A cavity 18 is provided inside the second chimney body 12, and a connecting rod 19 is slidably connected inside the cavity 18. The cavity 18 is symmetrically arranged about the central axis of the second chimney body 12. The connecting rod 19 is located inside the cavity 18 and passes through the positioning block 15, thereby preventing the positioning block 15 from moving.

[0035] A reset spring 20 is welded between the connecting rod 19 and the cavity 18, and a guide rod 21 is connected to one side of the connecting rod 19. The guide rod 21 is pulled so that the guide rod 21 drives the connecting rod 19 to move. When the connecting rod 19 moves, the reset spring 20 can be squeezed. When the connecting rod 19 is loosened, the reset spring 20 can drive the connecting rod 19 to reset.

[0036] Working principle: When using the easy-to-install stainless steel double-layer chimney, first turn the handle 8 to make the bidirectional screw rod 7 rotate inside the placement groove 6. At the same time, the threaded sleeve 9 threadedly connected to the bidirectional screw rod 7 can drive the clamping block 10 to move left and right, so that the clamping block 10 is engaged and connected with the clamping groove 3 at the connecting block 2, so as to facilitate the rapid installation of the first chimney body 4 and the wall 1. Turn the handle 8 in the opposite direction, the handle 8 can drive the bidirectional screw rod 7 to rotate, and drive the clamping block 10 to separate from the clamping groove 3 at the connecting block 2, so that the first chimney body 4 and the wall 1 can be quickly disassembled.

[0037] Then, pull the guide rod 21 so that the guide rod 21 drives the connecting rod 19 to move, pull the connecting plate 16, and then clamp the first chimney body 4 and the second chimney body 12 through the limit block 11 and the limit groove 13, and then loosen the connecting plate 16, so that the tension spring 17 drives the positioning block 15 to reset and engage with the positioning groove 14 at the limit block 11, and then loosen the guide rod 21, so that the guide rod 21 and the connecting rod 19 are reset through the reset spring 20, and clamped with the positioning block 15, so that it is convenient to quickly install and disassemble the first chimney body 4 and the second chimney body 12, and it is convenient to clean the interior later.

[0038] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A stainless steel double-layer chimney that is easy to install, comprising a wall (1), characterized in that: A connection block (2) is fixedly connected to one side of the wall (1), and both sides of the connection block (2) are provided with a clamping groove (3); The right side of the wall (1) is connected to a first chimney body (4), and a fixing plate (5) is welded to the outer surface of the first chimney body (4), a placement groove (6) is provided inside the fixing plate (5), and a bidirectional screw rod (7) is rotatably connected inside the placement groove (6), a handle (8) is connected to the left side of the bidirectional screw rod (7), and a threaded sleeve (9) is threadedly connected to the outer surface of the bidirectional screw rod (7), and a clamping block (10) is welded to one side of the threaded sleeve (9).

2. The stainless steel double-layer chimney that is easy to install according to claim 1 is characterized in that: The bottom of the first chimney body (4) is welded to a limiting block (11), and the bottom of the first chimney body (4) is snap-connected to a second chimney body (12), and a limiting groove (13) is provided at the top of the second chimney body (12).

3. The stainless steel double-layer chimney that is easy to install according to claim 2 is characterized in that: The limiting block (11) is symmetrically arranged about the central axis of the first chimney body (4), and a positioning groove (14) is provided on one side of the limiting block (11), and a positioning block (15) is movably connected inside the positioning groove (14).

4. The stainless steel double-layer chimney that is easy to install according to claim 3 is characterized in that: A connecting plate (16) is welded to one side of the positioning block (15), and a tension spring (17) is connected to the right side of the connecting plate (16), and the tension spring (17) is fixedly connected to the second chimney body (12).

5. The stainless steel double-layer chimney that is easy to install according to claim 4 is characterized in that: A cavity (18) is provided inside the second chimney body (12), and a connecting rod (19) is slidably connected inside the cavity (18).

6. The stainless steel double-layer chimney that is easy to install according to claim 5 is characterized in that: A return spring (20) is welded between the connecting rod (19) and the cavity (18), and a guide rod (21) is connected to one side of the connecting rod (19).

Images