Fire grate with assembly structure

Abstract

The utility model discloses a fire grate with an assembly structure, relates to the technical field of fire grates, and aims to solve the problems that the lengths of the fire grates cannot be flexibly combined according to use requirements and the practicability is poor in the use process of the fire grate in the prior art. A flow dividing pipe is fixedly installed at the rear end of the gas inlet pipe, fire grate assemblies are symmetrically arranged on the two sides of the flow dividing pipe correspondingly, each fire grate assembly comprises a gas conveying mechanism, a fixing plate, a bottom plate and a fire grate piece, each gas conveying mechanism comprises a straight pipe, a branch pipe and a distribution box, and a second side pipe is fixedly installed on one side of each straight pipe; a connecting sleeve is arranged at one end of the outer side of the second side pipe in a sleeving mode, internal threads are arranged on the inner side of the connecting sleeve, a first side pipe is fixedly installed on the other side of the straight pipe, a connecting pipe head is fixedly installed on one side of the first side pipe, external threads are arranged on the outer side of the connecting pipe head, and conveying pipes are symmetrically and fixedly installed on the two sides of the flow dividing pipe correspondingly. And one end of the outer side of the transmission pipe is sleeved with a transmission sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of fire grates, in particular to a fire grates with an assembled structure. Background Art

[0002] A fire grate is a gas combustion device, usually composed of a series of metal tubes or plates, used to support and distribute the flame. It is widely used in gas water heaters, steam ovens, roasters and other heating equipment that uses gas or natural gas. Its main functions include increasing the number of air outlets, promoting the mixing of gas and air, making the gas burn more fully and evenly, and also facilitating heat control.

[0003] For example, the authorized patent with publication number CN212378072U (a fire grate): includes an air inlet pipe and a hollow strip body connected to the air inlet pipe, a flame outlet is opened at the top of the hollow strip body, a pouring port is opened at the bottom of one end of the hollow strip body, and a shielding arc cover is detachably connected to the hollow strip body outside the pouring port to cover the pouring port;

[0004] Although the above-mentioned existing technology has the effect of cleaning debris in the hollow strip and reducing the risk of blockage of the hollow strip and the flame outlet, it does not have an assembly structure. Therefore, during the use of the fire grate, the length of the fire grate cannot be flexibly combined according to the needs of use, and its practicality is poor. Therefore, the market urgently needs to develop a fire grate with an assembly structure to help people solve the existing problems. Utility Model Content

[0005] The purpose of the utility model is to provide a fire grate with an assembled structure to solve the problem in the above background technology that the length of the fire grate cannot be flexibly combined according to the needs of use during use, resulting in poor practicality.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a fire bar with an assembled structure, comprising an air intake pipe, a diversion pipe is fixedly installed at the rear end of the air intake pipe, and fire bar assemblies are symmetrically arranged on both sides of the diversion pipe, the fire bar assembly comprises a gas transmission mechanism, a fixing plate, a bottom plate, and a fire bar sheet, the gas transmission mechanism comprises a straight pipe, a branch pipe and a distribution box, a side pipe 2 is fixedly installed on one side of the straight pipe, a connecting sleeve is provided at one end of the outer side of the side pipe 2, an internal thread is provided on the inner side of the connecting sleeve, a side pipe 1 is fixedly installed on the other side of the straight pipe, a connecting pipe head is fixedly installed on one side of the side pipe 1, and an external thread is provided on the outer side of the connecting pipe head.

[0007] Preferably, transmission pipes are symmetrically fixedly installed on both sides of the diversion pipe, a transmission sleeve is provided at one end of the outer side of the transmission pipe, an internal thread is provided on the inner side of the transmission sleeve, a sealing ring gasket is fixedly installed inside the transmission sleeve, an outer ring groove is provided inside the transmission sleeve, one end of the transmission pipe extends into the inner side of the outer ring groove, a fixing ring is provided inside the outer ring groove along the outer side of the transmission pipe, and the fixing ring is fixedly connected to the transmission pipe.

[0008] Preferably, there are multiple branch pipes, which are fixedly installed between the straight pipe and the distribution box, and the straight pipe and the distribution box are connected through the branch pipes. There are multiple fire strips, which are arranged above the distribution box.

[0009] Preferably, a threaded hole is provided on the upper end surface of the distribution box, a threaded pipe head is installed on the internal thread of the threaded hole, and the threaded pipe head is fixedly connected to the fire row piece.

[0010] Preferably, a flame head is fixedly installed above the fire row piece.

[0011] Preferably, two fixing plates are provided, and the two fixing plates are symmetrically fixedly installed on the two ends of the straight pipe respectively, the bottom plate is fixedly installed below the fixing plates, and the two ends of the distribution box are fixedly connected to the two fixing plates respectively.

[0012] Preferably, a sealing head is installed on one side of the connecting sleeve.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model provides a fire grate assembly and a gas transmission mechanism inside the fire grate assembly, and installs a side pipe 1 and a side pipe 2 on both sides of the straight pipe inside the gas transmission mechanism respectively, and provides a connecting pipe head on one side of the side pipe 1, and provides a connecting sleeve on one side of the side pipe 2. When the fire grate is used, if it is necessary to increase the overall length of the fire grate to increase the combustion range, the two gas transmission mechanisms can be combined through the threaded connection of the connecting pipe head and the connecting sleeve, so that the fire grate can be assembled. It is convenient to flexibly combine the length of the fire grate according to the needs of use during the use of the fire grate, thereby increasing the flexibility and practicality of the use of the fire grate.

[0015] 2. The utility model arranges multiple fire strips above each distribution box to facilitate the improvement of the combustion range, and provides a threaded pipe head fixedly connected to the fire strips in the threaded hole of the distribution box, so that the fire strips are installed on the distribution box by means of threads, which improves the convenience of disassembly and assembly of the fire strips, is beneficial to the subsequent maintenance and replacement of the fire strips, and increases practicality.

[0016] 3. The utility model can support the gas transmission mechanism by providing two fixing plates and a bottom plate, and the bolt holes provided on the bottom plate also facilitate the installation and fixation of the fire grate during use, thereby increasing the practicality of the fire grate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of a fire grate with an assembled structure according to the present invention;

[0018] Figure 2 This is a cross-sectional view of the fire bar assembly of the present invention;

[0019] Figure 3 It is a cross-sectional view of the transmission sleeve of the present invention;

[0020] Figure 4 It is a cross-sectional view of the connection portion between the distribution box and the fire row piece of the present invention.

[0021] In the figure: 1. Inlet pipe; 2. Diverter pipe; 3. Transmission pipe; 301. Transmission sleeve; 3011. Outer ring groove; 4. Gas transmission mechanism; 401. Straight pipe; 4011. Side pipe 1; 4012. Connecting pipe head; 4013. Side pipe 2; 4014. Connecting sleeve; 402. Branch pipe; 403. Distribution box; 4031. Threaded hole; 5. Fixing plate; 6. Bottom plate; 7. Fire strip; 8. Flame head; 9. Sealing ring gasket; 10. Fixing ring; 11. Threaded pipe head; 12. Sealing head. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] See also Figure 1-4 The utility model provides an embodiment: a fire grate with an assembled structure, including an air intake pipe 1, a diversion pipe 2 is fixedly installed at the rear end of the air intake pipe 1, the air intake pipe 1 is used to connect to an external gas supply device, and fire grate components are symmetrically arranged on both sides of the diversion pipe 2, the fire grate assembly includes a gas transmission mechanism 4, a fixing plate 5, a bottom plate 6, and a fire grate piece 7. The gas transmission mechanism 4 includes a straight pipe 401, a branch pipe 402 and a distribution box 403. A side pipe 2 4013 is fixedly installed on one side of the straight pipe 401, and a connecting sleeve 4014 is provided on one end of the outer side of the side pipe 2 4013, and an internal thread is provided on the inner side of the connecting sleeve 4014. A side pipe 1 4011 is fixedly installed on the other side of the straight pipe 401, and a connecting pipe head 4012 is fixedly installed on one side of the side pipe 1 4011, and an external thread is provided on the outer side of the connecting pipe head 4012.

[0024] During use, if the overall length of the fire grate needs to be increased to expand the combustion range, the two gas transmission mechanisms 4 can be combined through the threaded connection of the connecting pipe head 4012 and the connecting sleeve 4014, thereby realizing the assembly capability of the fire grate, which is convenient for the use of the fire grate. The length of the fire grate can be flexibly combined according to the needs of use, thereby increasing the flexibility and practicality of the use of the fire grate.

[0025] Furthermore, transmission pipes 3 are symmetrically fixedly installed on both sides of the diversion pipe 2, and a transmission sleeve 301 is provided at one end of the outer side of the transmission pipe 3. An internal thread is provided on the inner side of the transmission sleeve 301, and a sealing ring gasket 9 is fixedly installed on the inside of the transmission sleeve 301. By providing the sealing ring gasket 9, the sealing of the connection is improved. An outer ring groove 3011 is provided inside the transmission sleeve 301, and one end of the transmission pipe 3 extends into the inner side of the outer ring groove 3011. A fixing ring 10 is provided inside the outer side of the transmission pipe 3 along the inner side of the outer ring groove 3011. The fixing ring 10 is fixedly connected to the transmission pipe 3. Through the limiting effect of the fixing ring 10 and the outer ring groove 3011, the transmission sleeve 301 is movably arranged above the transmission pipe 3 and will not separate from the transmission pipe 3. The internal structure of the connecting sleeve 4014 is the same as the internal structure of the transmission sleeve 301, which is conducive to the flexible assembly and combination of the fire bar.

[0026] Furthermore, multiple branch pipes 402 are provided, and multiple branch pipes 402 are fixedly installed between the straight pipe 401 and the distribution box 403, and the straight pipe 401 and the distribution box 403 are connected through the branch pipes 402. By providing multiple branch pipes 402, the straight pipe 401 can input gas into the distribution box 403 at multiple points, which is beneficial to the distribution output of the distribution box 403. Multiple fire strips 7 are provided, and multiple fire strips 7 are provided above the distribution box 403. By providing multiple fire strips 7, the combustion point is improved, which is beneficial to the stable contact combustion of gas and air, and increases practicality.

[0027] Furthermore, a threaded hole 4031 is provided on the upper end face of the distribution box 403, and a threaded pipe head 11 is installed on the internal thread of the threaded hole 4031. The threaded pipe head 11 is fixedly connected to the fire row piece 7, so that the fire row piece 7 is installed on the distribution box 403 by means of threads, which improves the convenience of disassembly and assembly of the fire row piece 7, is beneficial to the subsequent maintenance and replacement of the fire row piece 7, and increases practicality.

[0028] Furthermore, a flame head 8 is fixedly installed above the fire row piece 7. The flame head 8 is a strip with long slots, which is conducive to the upward discharge and combustion of the gas in the distribution box 403, thereby increasing practicality.

[0029] Furthermore, two fixing plates 5 are provided, and the two fixing plates 5 are symmetrically fixedly installed at the two ends of the straight pipe 401, which can support the gas transmission mechanism 4. The bottom plate 6 is fixedly installed below the fixing plate 5, and the two ends of the distribution box 403 are fixedly connected to the two fixing plates 5 respectively. Bolt holes are symmetrically provided at the two ends inside the bottom plate 6, which facilitates the installation and fixation of the fire grate during use, thereby increasing the practicality of the fire grate.

[0030] Furthermore, a sealing head 12 is installed on one side of the connecting sleeve 4014, and a threaded column fixedly connected to the sealing head 12 is provided inside the connecting sleeve 4014, so that the sealing head 12 is threadedly installed on one side of the connecting sleeve 4014 to seal the connecting sleeve 4014, and the outer side of the sealing head 12 is roughened to increase the contact friction when the sealing head 12 needs to be rotated to remove it, thereby increasing practicality.

[0031] Working principle: When in use, the fire grate is installed and fixed by bolts through the bolt holes on the bottom plate 6, and the air inlet pipe 1 is connected to the gas supply equipment, so that gas can be supplied to the inside of the fire grate for gas combustion. During the use of the fire grate, if it is necessary to increase the overall length of the fire grate to increase the combustion range, remove the sealing head 12, and thread the connecting pipe head 4012 of the gas transmission mechanism 4 of the newly added fire grate assembly with the connecting sleeve 4014 of the original gas transmission mechanism 4 on the fire grate for assembly and combination, thereby realizing the assembly capability of the fire grate and facilitating the flexible combination of the length of the fire grate according to the needs of use during the use of the fire grate, thereby increasing the flexibility and practicality of the use of the fire grate, and the fire grate piece 7 is installed on the distribution box 403 by threading, which also facilitates the disassembly and assembly of the fire grate piece 7 during subsequent maintenance and replacement.

[0032] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A fire grate with an assembled structure, comprising an air intake pipe (1), characterized in that: A diversion pipe (2) is fixedly installed at the rear end of the air inlet pipe (1), and fire row assemblies are symmetrically arranged on both sides of the diversion pipe (2). The fire row assembly includes a gas transmission mechanism (4), a fixing plate (5), a bottom plate (6), and a fire row plate (7). The gas transmission mechanism (4) includes a straight pipe (401), a branch pipe (402), and a distribution box (403). A side pipe 2 (4013) is fixedly installed on one side of the straight pipe (401), and a connecting sleeve (4014) is sleeved on one end of the outer side of the side pipe 2 (4013). The inner side of the connecting sleeve (4014) is provided with an internal thread. A side pipe 1 (4011) is fixedly installed on the other side of the straight pipe (401), and a connecting pipe head (4012) is fixedly installed on one side of the side pipe 1 (4011). The outer side of the connecting pipe head (4012) is provided with an external thread.

2. The fire bar with an assembled structure according to claim 1, characterized in that: Transmission pipes (3) are symmetrically fixedly installed on both sides of the diversion pipe (2), one end of the outer side of the transmission pipe (3) is sleeved with a transmission sleeve (301), the inner side of the transmission sleeve (301) is provided with an internal thread, a sealing ring gasket (9) is fixedly installed inside the transmission sleeve (301), an outer ring groove (3011) is provided inside the transmission sleeve (301), one end of the transmission pipe (3) extends into the inner side of the outer ring groove (3011), a fixing ring (10) is provided inside the outer ring groove (3011) along the outer side of the transmission pipe (3), and the fixing ring (10) is fixedly connected to the transmission pipe (3).

3. The fire bar with an assembled structure according to claim 1, characterized in that: There are a plurality of branch pipes (402), which are fixedly installed between the straight pipe (401) and the distribution box (403), and the straight pipe (401) and the distribution box (403) are connected through the branch pipes (402). There are a plurality of fire strips (7), which are arranged above the distribution box (403).

4. The fire bar with an assembled structure according to claim 3, characterized in that: A threaded hole (4031) is provided on the upper end surface of the distribution box (403), and a threaded pipe head (11) is installed on the internal thread of the threaded hole (4031), and the threaded pipe head (11) is fixedly connected to the fire row plate (7).

5. The fire bar with an assembled structure according to claim 4, characterized in that: A flame head (8) is fixedly mounted above the fire row piece (7).

6. The fire bar with an assembled structure according to claim 5, characterized in that: Two fixing plates (5) are provided, and the two fixing plates (5) are symmetrically fixedly installed at the two ends of the straight pipe (401), the bottom plate (6) is fixedly installed below the fixing plates (5), and the two ends of the distribution box (403) are fixedly connected to the two fixing plates (5).

7. The fire bar with an assembled structure according to claim 6, characterized in that: A sealing head (12) is installed on one side of the connecting sleeve (4014).

Images