CN111412652A - Fixing device, heating element assembly and device with heating element assembly - Google Patents
Fixing device, heating element assembly and device with heating element assembly Download PDFInfo
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- CN111412652A CN111412652A CN202010339902.3A CN202010339902A CN111412652A CN 111412652 A CN111412652 A CN 111412652A CN 202010339902 A CN202010339902 A CN 202010339902A CN 111412652 A CN111412652 A CN 111412652A
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- Prior art keywords
- limiting
- fixing
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- heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
- F24H3/0411—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
- F24H9/1872—PTC
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
- F24H9/2071—Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H2250/00—Electrical heat generating means
- F24H2250/04—Positive or negative temperature coefficients, e.g. PTC, NTC
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Resistance Heating (AREA)
Abstract
The invention provides a fixing device, a heating element assembly and a device with the heating element assembly, wherein the fixing device comprises: the fixing structure comprises a fixing body and an accommodating cavity which is arranged on the fixing body and is suitable for accommodating the heating body, wherein one end of the fixing body is provided with an opening communicated with the accommodating cavity; the limiting structure is movably connected to one end of the fixing body, which is provided with an opening, and is suitable for moving towards the direction close to or away from the accommodating cavity under the action of external force; and the locking structure is used for locking the relative position between the limiting structure and the fixed body. Through adjusting the relative motion between limit structure and the fixed body, make limit structure and heat-generating body offset to with the heat-generating body centre gripping between the chamber wall in limit structure and holding chamber, realize the firm fixed to the heat-generating body, and then fix the temperature limiter at fixed knot structure or other structural backs, realize the fixed of distance between heat-generating body and the temperature limiter, with effectively ensure and promote the detection effect of temperature limiter to the temperature.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a fixing device, a heating element assembly and a device with the heating element assembly.
Background
A plurality of electric heating devices and electric products appear in the market at present, wherein the fan heater obtains a very large range of application because its multiple functions convenient to use, but various problems can appear in the use experience process of fan heater simultaneously, for example, the unstable temperature that generates heat is too high, abnormal sound appears in the rotation process, etc. also require the design of electric heater to improve constantly and technological perfect when appearing these problems.
Heating is an important function of the fan heater, and poor heat control can possibly cause overhigh temperature, cause line damage or high-temperature deformation of the fan, and even cause fire. Therefore, the warm air blower is generally provided with a temperature limiter, and the temperature limiter can disconnect the circuit of the heating element when the heating temperature of the warm air blower is higher than a preset value, so that the function of circuit breaking protection is achieved. Therefore, it becomes important that the temperature limiter can accurately detect the real-time temperature of the fan heater and make timely and accurate judgment according to the detection result. The distance between the temperature limiter and the heating body is required to be fixed, so that great change cannot occur, if the distance between the temperature limiter and the heating body is suddenly large or small, the detection result of the temperature limiter on the temperature can be influenced, and then the control of the temperature limiter on the circuit of the heating body is influenced, so that the potential safety hazard of the air heater can occur.
In the prior art, the temperature limiter generally can be fixed on a mount, be formed with the holding chamber on the mount, the heat-generating body is installed in the holding chamber, come to carry on spacingly to the heat-generating body through the chamber wall in holding chamber, this kind of mode is though can to a certain extent inject the distance between heat-generating body and the temperature limiter, however, because in order to guarantee that the heat-generating body can pack into the holding intracavity smoothly, it is little to put the chamber with the size of heat-generating body for the specific volume usually, this has just led to the clearance to having appeared between heat-generating body and the holding chamber in the holding chamber of packing into, and the existence of this clearance, still can make the distance between heat-generating body and the temperature limiter change, thereby influence the detection effect of temperature.
Disclosure of Invention
Therefore, the present invention is to solve the technical problem of overcoming the defect that the fixing device of the heating element in the prior art changes the distance between the heating element and the temperature limiter and affects the temperature detection effect of the temperature limiter, thereby providing a fixing device, a heating element assembly and a device with the heating element assembly, which can effectively limit the distance between the heating element and the temperature controller and improve the temperature detection effect of the temperature limiter.
The present invention provides a fixing device, comprising:
the fixing structure comprises a fixing body and an accommodating cavity which is arranged on the fixing body and is suitable for accommodating the heating body, wherein one end of the fixing body is provided with an opening communicated with the accommodating cavity;
the limiting structure is movably connected to one end, provided with the opening, of the fixed body and is suitable for moving towards the direction close to or away from the accommodating cavity under the action of external force;
and the locking structure is used for locking the relative position between the limiting structure and the fixed body.
The limiting structure comprises a limiting body, and an installation through hole is formed in the limiting body;
the fixing body is provided with a locking hole, the locking hole is arranged corresponding to the mounting through hole, and the locking hole is a threaded hole;
the locking structure is a threaded fastener matched with the locking hole, and the outer diameter of the threaded fastener is not larger than the aperture of the mounting through hole.
Still include guide structure, guide structure includes:
the sliding groove is arranged on one of the limiting body and the fixing body;
the sliding rail is arranged on the other one of the limiting body and the fixing body and is suitable for sliding in the sliding groove relative to the sliding groove; and the relative sliding direction between the sliding rail and the sliding groove is consistent with the direction of the limiting structure approaching to or far away from the accommodating cavity.
The spacing body includes:
a locking portion provided with the mounting through-hole;
the guide part is provided with the sliding chute or the sliding rail;
a connecting portion connecting the locking portion and the guide portion.
The guide portion is provided at a distance from the locking portion.
The locking part is provided with a limiting cavity, and the mounting through hole is formed on the cavity wall of the limiting cavity and is communicated with the limiting cavity;
the fixing body is provided with a locking lug which is suitable for being accommodated in the limiting cavity, and the locking hole is formed in the locking lug.
The fixing body comprises two oppositely arranged side walls and a bearing structure connected between the two side walls, the bearing structure and the two side walls jointly enclose the opening, and the locking lug and the sliding rail are arranged on the bearing structure at intervals.
Be equipped with the breach of stepping down on the lateral wall, connecting portion insert arrange in the breach of stepping down.
The limiting structure further comprises an extending structure, wherein the extending structure protrudes from the limiting body towards one side of the containing cavity towards the containing cavity and is suitable for being matched with the limiting body to limit the heating body arranged in the containing cavity.
The temperature limiter further comprises a mounting structure for mounting the temperature limiter.
The mounting structure comprises at least two limiting walls, and a space suitable for accommodating the temperature limiter main body is formed between the at least two limiting walls; the limiting wall extends outwards from the outer wall of the fixing body, and a clamping groove suitable for clamping the temperature limiter is formed between the limiting wall and the outer wall of the fixing body.
The mounting structure is arranged at one end, opposite to the limiting structure, of the fixed body.
The invention also provides a heating element assembly which comprises the fixing device, the heating element arranged in the accommodating cavity and the temperature limiter arranged on the fixing body.
The heating element is a PTC heating element.
The invention also provides a device with the heating element assembly, which comprises the heating element assembly.
The device with the heating element assembly is a warm air blower.
The technical scheme of the invention has the following effects:
1. the fixing device provided by the invention comprises: the fixing structure comprises a fixing body and an accommodating cavity which is arranged on the fixing body and is suitable for accommodating the heating body, wherein one end of the fixing body is provided with an opening communicated with the accommodating cavity; the limiting structure is movably connected to one end, provided with the opening, of the fixed body and is suitable for moving towards the direction close to or away from the accommodating cavity under the action of external force; and the locking structure is used for locking the relative position between the limiting structure and the fixed body. When the heating device is used, the heating body is firstly arranged in the accommodating cavity, then external force is applied to the limiting structure, the limiting structure is pushed to move towards the direction close to the accommodating cavity until the limiting structure abuts against the heating body, the relative position between the limiting structure and the fixing body is locked through the locking structure, and the fixing of the position of the heating body in the accommodating cavity is completed; when the heating body needs to be disassembled, the locking structure firstly unlocks the relative position between the limiting structure and the fixing body, and then external force is applied to push the limiting structure to move towards the direction far away from the accommodating cavity, so that the heating body can be taken out of the accommodating cavity. This kind of fixing device, through adjusting the relative motion between limit structure and the fixed body, make limit structure and heat-generating body offset, thereby realize with the heat-generating body centre gripping between limit structure and the holding chamber wall relative with limit structure, make the heat-generating body can not take place the position change in the holding chamber, the realization is fixed the stability of heat-generating body, and then fix the back on fixed knot constructs or other structures with the temperature limiter, realize fixing of distance between heat-generating body and the temperature limiter, with effectively ensure and promote the detection effect of temperature limiter to the temperature.
2. According to the fixing device provided by the invention, the limiting structure comprises a limiting body, and an installation through hole is formed in the limiting body; the fixing body is provided with a locking hole, the locking hole is arranged corresponding to the mounting through hole, and the locking hole is a threaded hole; the locking structure is a threaded fastener matched with the locking hole, and the outer diameter of the threaded fastener is not larger than the aperture of the mounting through hole. The installation through hole is formed in the limiting body, the locking hole is formed in the fixing body, when the heating body needs to be installed and fixed, the threaded fastener can be rotationally pushed to penetrate through the installation through hole and the locking hole in sequence, and the threaded fastener continues to be spirally pushed in the locking hole to drive the limiting structure to move towards the direction close to the containing cavity until the limiting structure abuts against the heating body, so that the limiting structure is matched with the cavity wall of the containing cavity to clamp and fix the heating body; when the heating body needs to be disassembled, the threaded fastener only needs to be rotated reversely, so that the limiting structure can be driven to move towards the direction far away from the accommodating cavity, and the disassembly of the heating body is realized. The structure form of the matching of the installation through hole, the locking hole and the threaded fastener can drive the limiting structure to move, can lock the relative position between the limiting structure and the fixed body, does not need to enable the driving or locking function to be realized by an additional structure, fully simplifies the structure, can realize the driving and locking functions at the same time only by rotating the threaded fastener, and has the advantage of simple and convenient operation.
3. The fixing device provided by the invention also comprises a guide structure, wherein the guide structure comprises: the sliding groove is arranged on one of the limiting body and the fixing body; the sliding rail is arranged on the other one of the limiting body and the fixing body and is suitable for sliding in the sliding groove relative to the sliding groove; and the relative sliding direction between the sliding rail and the sliding groove is consistent with the direction of the limiting structure approaching to or far away from the accommodating cavity. The setting of guide structure can make the relative motion between limit structure and the fixed body more stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a perspective view of a fixing device provided in a first embodiment of the present invention;
FIG. 2 is a schematic perspective view of a heat-generating body assembly provided in a first embodiment of the invention;
FIG. 3 is a schematic plan view of the heat generating body assembly shown in FIG. 2;
FIG. 4 is a perspective view of the heating element assembly shown in FIG. 2 with a limiting structure removed;
FIG. 5 is a perspective view of the position limiting structure of FIG. 1;
FIG. 6 is a schematic perspective view of another angle of the position limiting structure shown in FIG. 5;
FIG. 7 is a schematic right-view of the position-limiting structure of FIG. 4;
FIG. 8 is a partial perspective view of the heat-generating body assembly shown in FIG. 2;
description of reference numerals:
1-fixed body, 11-opening, 12-locking hole, 13-locking lug, 14-side wall, 141-abdicating notch, 15-bearing structure, 2-accommodating cavity, 3-limiting body, 31-locking part, 311-installation through hole, 312-limiting cavity, 32-guiding part, 33-connecting part, 34-reinforcing rib, 4-threaded fastener, 51-sliding groove, 52-sliding rail, 6-extension structure, 7-limiting wall, 71-clamping groove, 10-heating element and 20-temperature limiter.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 8, the present embodiment provides a fixing device, which includes a fixing structure, a limiting structure and a locking structure.
The fixing structure comprises a fixing body 1 and an accommodating cavity 2 which is arranged on the fixing body 1 and is suitable for accommodating the heating body 10, and one end of the fixing body 1 is provided with an opening 11 communicated with the accommodating cavity 2. The fixing body 1 is provided with a locking hole 12, and the locking hole 12 is a threaded hole.
The limiting structure is movably connected to one end of the fixing body 1, which is provided with an opening 11, and is suitable for moving towards the direction close to or away from the accommodating cavity 2 under the action of external force. The limiting structure comprises a limiting body 3, wherein a mounting through hole 311 is formed in the limiting body 3, and the mounting through hole 311 is arranged corresponding to the locking hole 12.
The locking structure is used for locking the relative position between the limiting structure and the fixing body 1. Specifically, the locking structure is a threaded fastener 4 that is fitted with the locking hole 12, and the outer diameter of the threaded fastener 4 is not larger than the aperture of the mounting through-hole 311. The specific form of the threaded fastener 4 is not limited, and may be, for example, a bolt, a screw, a stud, or the like. The threaded fastener 4 in this embodiment is a bolt.
By arranging the mounting through hole 311 on the limiting body 3 and the locking hole 12 on the fixing body 1, when the heating element 10 needs to be mounted and fixed, the threaded fastener 4 can be rotationally pushed to sequentially pass through the mounting through hole 311 and the locking hole 12, and the threaded fastener 4 continues to be spirally pushed on the locking hole 12 to drive the limiting structure to move towards the direction close to the accommodating cavity 2 until the limiting structure abuts against the heating element 10, so that the clamping and fixing of the limiting structure and the cavity wall of the accommodating cavity 2 in a matching manner on the heating element 10 are completed; when the heating body 10 needs to be disassembled, the threaded fastener 4 only needs to be rotated reversely, so that the limiting structure can be driven to move towards the direction far away from the accommodating cavity 2, and the disassembling of the heating body 10 is realized. The structure form of the matching of the mounting through hole 311, the locking hole 12 and the threaded fastener 4 can realize the driving of the limiting structure and the locking of the relative position between the limiting structure and the fixed body 1, the driving or locking function is not required to be realized by an additional structure, the structure is fully simplified, and the driving and locking functions can be realized simultaneously only by rotating the threaded fastener 4, so that the structure form has the advantage of simple and convenient operation.
The limiting structure in the embodiment is detachably connected with the fixed body 1. As an alternative embodiment, the stop structure and the fixing body 1 can also be connected in a non-detachable, but relatively movable manner.
In order to make the relative motion between the limiting structure and the fixing body 1 more stable, the fixing device provided by the embodiment further comprises a guiding structure. The specific structural form of the guide structure is not limited, and the guide structure in this embodiment includes a sliding groove 51 and a sliding rail 52. The sliding groove 51 is arranged on the limiting body 3. The slide rail 52 is arranged on the fixed body 1 and is suitable for sliding in the slide groove 51 relative to the slide groove 51; and the relative sliding direction between the sliding rail 52 and the sliding groove 51 is the same as the direction that the limiting structure is close to or far away from the accommodating cavity 2. As an alternative embodiment, the slide groove 51 may be provided on the fixed body 1, and the slide rail 52 may be provided on the stopper body 3.
The specific structural form of the stopper body 3 is not limited, and in the present embodiment, the stopper body 3 includes a locking portion 31 provided with a mounting through hole 311, a guide portion 32 provided with a sliding groove 51, and a connecting portion 33 connecting the locking portion 31 and the guide portion 32. Specifically, the guide portion 32 is provided spaced apart from the lock portion 31. As an alternative embodiment, there may be no gap between the guide portion 32 and the locking portion 31.
In this embodiment, the locking portion 31 is provided with a limiting cavity 312, and the mounting through hole 311 is formed on a wall of the limiting cavity 312 and is communicated with the limiting cavity 312. The fixing body 1 is provided with a locking protrusion 13 adapted to be received in the limiting cavity 312, and a locking hole 12 is formed on the locking protrusion 13. Through setting up spacing chamber 312 and locking lug 13, can be when installing limit structure on fixed body 1, earlier realize the prepositioning between limit structure and the fixed body 1 through holding locking lug 13 in spacing chamber 312, can be convenient for aim at installation through-hole 311 and locking hole 12 fast like this to follow-up threaded fastener 4's packing into. As an alternative embodiment, the locking portion 31 may not be provided with the stopper cavity 312, and the fixing body 1 may not be provided with the locking protrusion 13.
The specific structure of the fixing body 1 is not limited, and in this embodiment, the fixing body 1 includes two oppositely disposed sidewalls 14, and a receiving structure 15 connected between the two sidewalls 14. The receiving structure 15 and the two side walls 14 together enclose the opening 11, and the locking projections 13 and the sliding rails 52 are arranged on the receiving structure 15 at intervals.
In order to make the relative movement between the limiting structure and the fixing body 1 more stable, in this embodiment, the sidewall 14 is provided with an abdicating notch 141, and the connecting portion 33 is inserted into the abdicating notch 141.
The limiting structure in this embodiment further includes an extending structure 6, and the extending structure 6 protrudes from the connecting portion 33 toward one side of the accommodating cavity 2 toward the accommodating cavity 2, and is adapted to cooperate with the locking portion 31 and the guiding portion 32 to limit the heating element 10 installed in the accommodating cavity 2. Through with extension structure 6 for spacing body 3 towards the setting chamber 2 protrusion setting, can with locking part 31, the guide part 32 between form the right angle structure respectively to it is spacing respectively in two mutually perpendicular directions to install the heat-generating body 10 in the setting chamber 2, makes the installation of heat-generating body 10 more firm, difficult emergence is rocked.
In order to prevent that limit structure from pushing away the in-process and taking place deformation, the structural strength of firm limit structure self, spacing body 3 in this embodiment still includes strengthening rib 34, and strengthening rib 34 is located connecting portion 33 top, also can make limit structure's atress condition better like this, difficult damage.
The fixing device provided in the present embodiment further includes a mounting structure for mounting the temperature limiter 20. The specific structural form of the mounting structure is not limited, and the mounting structure in the embodiment comprises two limiting walls 7, wherein a space suitable for accommodating the temperature limiter main body is formed between the two limiting walls 7; the limiting wall 7 extends outwards from the outer wall of the fixing body 1, and a clamping groove 71 suitable for clamping the temperature limiter 20 is formed between the limiting wall 7 and the outer wall of the fixing body 1. Generally, the temperature limiter 20 comprises a temperature limiter main body and an assembling portion, the temperature limiter main body is located between the two limiting walls 7 when the temperature limiter is installed, the assembling portion is clamped in the clamping groove 71, the groove width of the clamping groove 71 is smaller than the thickness of the assembling portion, and the clamping groove 71 is in interference fit with the assembling portion to realize stable clamping of the clamping groove 71 on the temperature limiter 20. As an alternative embodiment, the limiting walls 7 may have three or four, etc., as long as it is satisfied that at least two limiting walls 7 have a space therebetween suitable for accommodating the temperature limiter body.
The specific position of the mounting structure on the fixing body 1 is not limited, and in this embodiment, the mounting structure is disposed at an end of the fixing body 1 opposite to the limiting structure. Specifically, the limiting structure is located at the lower end of the fixing device in the using state, the mounting structure is located at the upper end of the fixing device in the using state, and the temperature limiter 20 is further disposed at the upper end of the fixing device. When the heating element 10 is put into the accommodating cavity 2, the temperature limiter 20 is disposed above the heating element 10. The heat-generating body 10 gives off the heat to all around at the during operation, and hot gas density is big than air density on every side, and hot gas rises, and the temperature of heat-generating body 10 top will be slightly higher than the temperature of other directions, more can accurately embody the real temperature of heat-generating body 10, consequently, the upper end of fixed body 1 is located to the mounting structure that will be used for installing the stopper, can make the detection of temperature limiter 20 to the temperature more accurate.
When the heating device is used, the heating body 10 is firstly arranged in the accommodating cavity 2, then external force is applied to the limiting structure, the limiting structure is pushed to move towards the direction close to the accommodating cavity 2, until the limiting structure abuts against the heating body 10, the relative position between the limiting structure and the fixing body 1 is locked through the locking structure, and the fixing of the position of the heating body 10 in the accommodating cavity 2 is completed; when the heating element 10 needs to be detached, the locking structure locks the relative position between the limiting structure and the fixing body 1, and then external force is applied to push the limiting structure to move in the direction away from the accommodating cavity 2, so that the heating element 10 can be taken out of the accommodating cavity 2. This kind of fixing device, through adjusting the relative motion between limit structure and the fixed body 1, make limit structure and heat-generating body 10 offset, thereby realize with heat-generating body 10 centre gripping between limit structure and the chamber wall of the holding chamber 2 relative with limit structure, make heat-generating body 10 can not take place the position change in holding chamber 2, the realization is fixed the heat-generating body 10 firmly, and then after fixing temperature limiter 20 on fixed knot structure or other structures, realize fixing of distance between heat-generating body 10 and the temperature limiter 20, with effectively ensure and promote the detection effect of temperature limiter 20 to the temperature.
The embodiment also provides a heating element assembly, which comprises the fixing device, the heating element 10 arranged in the accommodating cavity 2 and the temperature limiter 20 arranged on the fixing body 1.
The specific form of the heat-generating body 10 may be various, and the heat-generating body 10 in this embodiment is a PTC heat-generating body 10.
The embodiment also provides a warm air blower which comprises the heating element assembly. As an alternative embodiment, the fan heater may also be replaced by another device having a heat generator assembly.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (16)
1. A fixation device, comprising:
the fixing structure comprises a fixing body (1) and an accommodating cavity (2) which is arranged on the fixing body (1) and is suitable for accommodating the heating body (10), wherein one end of the fixing body (1) is provided with an opening (11) communicated with the accommodating cavity (2);
the limiting structure is movably connected to one end, provided with the opening (11), of the fixed body (1) and is suitable for moving towards the direction close to or away from the accommodating cavity (2) under the action of external force;
and the locking structure is used for locking the relative position between the limiting structure and the fixed body (1).
2. A fixation device as claimed in claim 1,
the limiting structure comprises a limiting body (3), and a mounting through hole (311) is formed in the limiting body (3);
a locking hole (12) is formed in the fixing body (1), the locking hole (12) is arranged corresponding to the mounting through hole (311), and the locking hole (12) is a threaded hole;
the locking structure is a threaded fastener (4) matched with the locking hole (12), and the outer diameter of the threaded fastener (4) is not larger than the aperture of the mounting through hole (311).
3. The fixation device of claim 2, further comprising a guide structure, the guide structure comprising:
the sliding groove (51) is arranged on one of the limiting body (3) and the fixing body (1);
the sliding rail (52) is arranged on the other one of the limiting body (3) and the fixing body (1) and is suitable for sliding relative to the sliding groove (51) in the sliding groove (51); and the relative sliding direction between the sliding rail (52) and the sliding groove (51) is consistent with the direction of the limiting structure approaching or departing from the accommodating cavity (2).
4. A fixing device according to claim 3, characterized in that said check body (3) comprises:
a locking portion (31) provided with the mounting through-hole (311);
a guide part (32) provided with the slide groove (51) or the slide rail (52);
a connecting portion (33) connecting the locking portion (31) and the guide portion (32).
5. A fixation device according to claim 4, wherein the guide portion (32) is arranged spaced from the locking portion (31).
6. A fixation device as claimed in claim 4,
a limiting cavity (312) is arranged on the locking part (31), and the mounting through hole (311) is formed in the cavity wall of the limiting cavity (312) and communicated with the limiting cavity (312);
the fixing body (1) is provided with a locking lug (13) suitable for being accommodated in the limiting cavity (312), and the locking hole (12) is formed in the locking lug (13).
7. A fixing device according to claim 6, characterized in that the fixing body (1) comprises two oppositely arranged side walls (14), and a receiving structure (15) connected between the two side walls (14), the receiving structure (15) and the two side walls (14) together enclose the opening (11), and the locking protrusions (13) and the sliding rails (52) are arranged on the receiving structure (15) at intervals.
8. The fixing device according to claim 6, characterized in that the side wall (14) is provided with an abdicating notch (141), and the connecting portion (33) is inserted in the abdicating notch (141).
9. The fixing device according to claim 2, wherein the limiting structure further comprises an extending structure (6), the extending structure (6) protrudes from one side of the limiting body (3) facing the accommodating cavity (2) into the accommodating cavity (2), and is adapted to cooperate with the limiting body (3) to limit the heating element (10) installed in the accommodating cavity (2).
10. A fixture according to any one of claims 1-9, further comprising a mounting structure for mounting a temperature limiter (20).
11. A fixture according to claim 10, wherein the mounting structure comprises at least two retaining walls (7), at least two of the retaining walls (7) having a spacing therebetween adapted to receive a body of a temperature limiter; the limiting wall (7) extends outwards from the outer wall of the fixing body (1), and a clamping groove (71) suitable for clamping the temperature limiter (20) is formed between the limiting wall (7) and the outer wall of the fixing body (1).
12. A fixation device according to claim 10, wherein the mounting structure is provided at an end of the fixation body (1) opposite to the stop structure.
13. A heat-generating body assembly characterized by comprising the fixing device as claimed in any one of claims 1 to 12, a heat-generating body (10) mounted in the housing chamber (2), and a temperature limiter (20) mounted on the fixing body (1).
14. A heat-generating body assembly as described in claim 13, characterized in that the heat-generating body (10) is a PTC heat-generating body (10).
15. A device having a heat-generating body assembly characterized by comprising the heat-generating body assembly as described in claim 13 or 14.
16. A device having a heat-generating body assembly as described in claim 15, wherein said device having a heat-generating body assembly is a fan heater.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010339902.3A CN111412652A (en) | 2020-04-26 | 2020-04-26 | Fixing device, heating element assembly and device with heating element assembly |
| PCT/CN2020/141030 WO2021218220A1 (en) | 2020-04-26 | 2020-12-29 | Fixing device, heating element assembly and device provided with heating element assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010339902.3A CN111412652A (en) | 2020-04-26 | 2020-04-26 | Fixing device, heating element assembly and device with heating element assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111412652A true CN111412652A (en) | 2020-07-14 |
Family
ID=71492038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010339902.3A Pending CN111412652A (en) | 2020-04-26 | 2020-04-26 | Fixing device, heating element assembly and device with heating element assembly |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111412652A (en) |
| WO (1) | WO2021218220A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021218220A1 (en) * | 2020-04-26 | 2021-11-04 | 格力电器（武汉）有限公司 | Fixing device, heating element assembly and device provided with heating element assembly |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW564007U (en) * | 2003-03-19 | 2003-11-21 | Quanta Comp Inc | Fixing structure for thermal module |
| CN200983126Y (en) * | 2006-09-25 | 2007-11-28 | 佛山市顺德区顺达电脑厂有限公司 | A fixing device |
| CN101262751A (en) * | 2007-03-09 | 2008-09-10 | 华信精密股份有限公司 | Fixing method and fixing device |
| CN109798666A (en) * | 2019-03-12 | 2019-05-24 | 珠海格力电器股份有限公司 | Heater support bracket component and warm-air drier |
| CN210219977U (en) * | 2019-07-17 | 2020-03-31 | 王竞娅 | Heating device |
| CN111412652A (en) * | 2020-04-26 | 2020-07-14 | 珠海格力电器股份有限公司 | Fixing device, heating element assembly and device with heating element assembly |
| CN212205060U (en) * | 2020-04-26 | 2020-12-22 | 珠海格力电器股份有限公司 | Fixing device, heating element assembly and device with heating element assembly |
-
2020
- 2020-04-26 CN CN202010339902.3A patent/CN111412652A/en active Pending
- 2020-12-29 WO PCT/CN2020/141030 patent/WO2021218220A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021218220A1 (en) * | 2020-04-26 | 2021-11-04 | 格力电器（武汉）有限公司 | Fixing device, heating element assembly and device provided with heating element assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021218220A1 (en) | 2021-11-04 |
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