Engine air heater

Abstract

The utility model relates to the technical field of air heaters, in particular to an engine air heater which comprises a heater shell and two end boxes, openings are formed in the two ends of the heater shell, and the two end boxes are inserted into the two openings of the heater shell correspondingly. A detachable clamping structure is arranged between the side portion, close to the opening, of the end box and the end portion of the heater shell and used for locking and fixing the end box. According to the engine air heater, the detachable clamping structure is different from a common bolt locking structure, a series of complex operations such as pre-fixing of the end box and tightening of bolts through a screwdriver tool are not needed, only the end box needs to be aligned to and inserted into the heater shell, and the end box is more convenient, time-saving and labor-saving to mount and dismount.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of air heaters, in particular to an engine air heater. BACKGROUND

[0002] The automobile heater is mainly used for preheating the engine in winter and heating the truck cab or the passenger car room, and is mainly divided into liquid heaters and air heaters, wherein the air heater is ignited by a small amount of oil and instantaneous power supply during work, and the heat generated during combustion is used for heating the inhaled air and then delivering the heated air to achieve the heating purpose.

[0003] According to the search, the application number: 202221520058.5 of the Chinese patent discloses a vehicle heater convenient to disassemble and overhaul, which comprises a shell, an aluminum sleeve is fixedly connected inside the shell, a combustion chamber is arranged inside the aluminum sleeve, a lighter is fixedly connected on one side of the surface of the combustion chamber, a circuit board is fixedly connected to the upper surface of the shell, the lighter is electrically connected with the circuit board through wires, an oil pipe and an air pipe are respectively communicated on one side of the surface of the combustion chamber, four connecting blocks are hingedly connected on the two sides of the surface of the shell, and the connecting blocks are fixedly connected with an air inlet box and a connecting box through bolts respectively.

[0004] According to the related technology in the above, the inventors believe that there are the following technical defects to be improved:

[0005] Since the air inlet box and the connecting box need to be locked and fixed by bolts, the air inlet box and the connecting box need to be pre-fixed before installation and disassembly, and then the bolts can be tightened by a screwdriver or the like, which is not convenient to operate, time-consuming and laborious. CONTENT OF THE UTILITY MODEL

[0006] The application provides an engine air heater to improve the following technical problems:

[0007] Since the air inlet box and the connecting box need to be locked and fixed by bolts, the air inlet box and the connecting box need to be pre-fixed before installation and disassembly, and then the bolts can be tightened by a screwdriver or the like, which is not convenient to operate, time-consuming and laborious.

[0008] The application provides an engine air heater, which adopts the following technical scheme:

[0009] An engine air heater comprises a heater shell and two groups of end boxes, two ends of the heater shell are provided with openings, two groups of the end boxes are respectively inserted into the two openings of the heater shell, a detachable clamping structure is arranged between the side part of the end box close to the opening and the end part of the heater shell, and the detachable clamping structure is used for locking and fixing the end box.

[0010] In an implementation of the present application, the detachable clamping structure comprises a clamping groove arranged on the outer surface of the heater shell and a retractable buckle arranged on the side of the end box, the retractable buckle is adapted to be clamped in the clamping groove, and the retractable buckle can be detached from the clamping groove when being retracted inward.

[0011] In an implementation of the present application, the retractable buckle comprises two clamping plates, a clamping block is arranged on the outer side of the end of the clamping plate away from the end box, and a groove is arranged on the bottom of the clamping groove.

[0012] In an implementation of the present application, a first inclined surface and a second inclined surface are arranged on the clamping block, the first inclined surface is used to assist in aligning the entrance of the clamping groove, and the second inclined surface is used to assist in detaching the clamping block from the groove.

[0013] In an implementation of the present application, a retracting hole is arranged on the clamping block, and an external rod-shaped tool is used to drive the two clamping plates to retract inward.

[0014] In an implementation of the present application, the retractable buckle further comprises an arc-shaped connecting part, a concave arc surface is arranged on the arc-shaped connecting part, and the arc-shaped connecting part is integrally formed between the end box and the two clamping plates.

[0015] In an implementation of the present application, the depth of the groove is between 3-6 mm, and the length of the clamping groove is between 10-20 mm.

[0016] In an implementation of the present application, the heater shell is a cuboid structure, and a group of detachable clamping structures are arranged in the middle of each of the four sides of the heater shell.

[0017] In an implementation of the present application, the heater shell, the end box and the detachable clamping structure are all stainless steel or aluminum alloy parts.

[0018] In summary, the present application has at least one of the following beneficial technical effects:

[0019] The detachable clamping structure is different from the common bolt clamping structure, and does not need a series of complex operations such as pre-fixing the end box and tightening the bolt with a screwdriver tool. Only the end box needs to be aligned and inserted into the heater shell, so that the end box is more convenient to install and detach, saving time and effort. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced. Obviously, the drawings in the following description only constitute some embodiments of the present application. Other drawings can be obtained by those skilled in the art without any creative effort based on these drawings.

[0021] Fig. 1 is a structural schematic diagram of an engine air heater according to an embodiment of the present application.

[0022] Fig. 2 is a structural schematic diagram of a detachable clamping structure according to an embodiment of the present application.

[0023] Legend of reference signs:

[0024] 1, heater shell;

[0025] 2, end box;

[0026] 3, clamping groove; 31, embedding groove;

[0027] 4, retractable buckle; 41, clamping plate; 42, clamping block; 421, first inclined surface; 422, second inclined surface; 423, retracting hole; 43, arc-shaped connecting part;

[0028] 100, detachable clamping structure. DETAILED DESCRIPTION

[0029] In order to make the technical problems to be solved by the present application, the technical solutions and beneficial effects more clearly understood, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not to limit the present application.

[0030] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0031] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0032] In addition, the terms "first", "second", etc. are used only for descriptive purposes and are not to be construed as indicating or implying relative importance or an indicated number of technical features. Thus, features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly and specifically limited.

[0033] The following description will be made in conjunction with the accompanying drawings Figs. 1-2 The present application is further described in detail.

[0034] The present application discloses an engine air heater. Referring to Figs. 1-2 The engine air heater comprises a heater shell 1 and two groups of end boxes 2, the two ends of the heater shell 1 have openings, the two groups of end boxes 2 are respectively inserted into the two openings of the heater shell 1, and a detachable clamping structure 100 is arranged between the side part of the end box 2 close to the opening and the end part of the heater shell 1, and the detachable clamping structure 100 is used for locking and fixing the end box 2; the heater shell 1 is a cuboid structure, and a group of detachable clamping structures 100 are arranged in the middle of each of the four side surfaces of the heater shell 1, and the heater shell 1, the end box 2 and the detachable clamping structure 100 are all stainless steel parts or aluminum alloy parts.

[0035] In the embodiment, the detachable clamping structure 100 comprises a clamping groove 3 arranged on the outer surface of the heater shell 1 and a retractable buckle 4 arranged on the side part of the end box 2, the retractable buckle 4 is adapted to be clamped in the clamping groove 3, and the retractable buckle 4 can be separated from the clamping groove 3 when it is tightened inward.

[0036] The retractable buckle 4 comprises two clamping plates 41, the outer side of the end part of the clamping plate 41 away from the end box 2 is provided with a clamping block 42, the two sides of the groove bottom of the clamping groove 3 are provided with an embedding groove 31 adapted to the clamping block 42, the depth of the embedding groove 31 is between 3-6 mm, the length of the clamping groove 3 is between 10-20 mm, the clamping block 42 is provided with a first inclined surface 421 and a second inclined surface 422, the first inclined surface 421 is used for assisting in aligning the entrance of the clamping groove 3, and the second inclined surface 422 is used for assisting the clamping block 42 to separate from the embedding groove 31.

[0037] Meanwhile, the clamping block 42 is provided with a retracting hole 423, the retracting hole 423 is used for externally inserting a rod-shaped tool to drive the two clamping plates 41 to retract inward, and the retractable buckle 4 further comprises an arc-shaped connecting part 43, the arc-shaped connecting part 43 is provided with a concave arc surface, and the arc-shaped connecting part 43 is integrally formed between the end box 2 and the two clamping plates 41.

[0038] The detachable clamping structure 100 has the advantages of simple structure, firmness, convenient installation and dismounting, high number of pluggable times, long service life, difficulty in damage, and hidden design.

[0039] The engine air heater has the following beneficial technical effects:

[0040] The detachable clamping structure 100 is different from the common bolt locking structure, and does not need a series of complex operations such as pre-fixing the end box 2 and using a screwdriver to tighten the bolt. The end box 2 can be aligned and inserted into the heater shell 1, and the end box 2 is more convenient to install and dismount, and time and labor are saved.

[0041] The above merely describes the preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement, and improvement made within the spirit and principle of the application should be included in the protection scope of the present application.

Claims

1. An engine air heater, characterized by, The application relates to a heater shell (1) with two openings at two ends, and two groups of end boxes (2) respectively inserted into the two openings of the heater shell (1), wherein a detachable clamping structure (100) is arranged between the side of the end box (2) close to the opening and the end of the heater shell (1), and the detachable clamping structure (100) is used for locking and fixing the end box (2).

2. The engine air heater of claim 1, wherein, The detachable clamping structure (100) comprises a clamping groove (3) arranged on the outer surface of the heater shell (1) and a retractable buckle (4) arranged on the side of the end box (2), the retractable buckle (4) is adapted to be clamped in the clamping groove (3), and the retractable buckle (4) can be separated from the clamping groove (3) when being retracted inward.

3. The engine air heater of claim 2, wherein, The retractable buckle (4) comprises two clamping plates (41), the clamping plates (41) are provided with clamping blocks (42) outside the end of the end box (2), and the groove bottom of the clamping groove (3) is provided with embedding grooves (31) matched with the clamping blocks (42).

4. The engine air heater of claim 3, wherein, The clamping blocks (42) are provided with first inclined surfaces (421) and second inclined surfaces (422), the first inclined surfaces (421) are used for assisting in aligning the entrance of the clamping groove (3), and the second inclined surfaces (422) are used for assisting the clamping blocks (42) in being separated from the embedding grooves (31).

5. The engine air heater of claim 3, wherein, The clamping blocks (42) are provided with retracting holes (423) for externally inserting rod-shaped tools to drive the two clamping plates (41) to retract inward.

6. The engine air heater of claim 3, wherein, The retractable buckle (4) further comprises an arc-shaped connecting part (43), the arc-shaped connecting part (43) is provided with a concave arc surface, and the arc-shaped connecting part (43) is integrally formed between the end box (2) and the two clamping plates (41).

7. The engine air heater of claim 3, wherein, The depth of the embedding groove (31) is 3-6 mm, and the length of the clamping groove (3) is 10-20 mm.

8. The engine air heater of claim 1, wherein, The heater shell (1) is a cuboid structure, and a group of detachable clamping structures (100) are arranged in the middle of four sides of the heater shell (1).

9. The engine air heater of claim 1, wherein, The heater shell (1), the end box (2) and the detachable clamping structure (100) are stainless steel or aluminum alloy parts.

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