CN211128221U - Dense tooth type heater - Google Patents

Abstract

The utility model relates to a PTC heating member technical field just discloses a close tooth type heater, which comprises an outer shell, the inside fixed mounting of shell has the connecting rod, the one end fixed mounting that the shell was kept away from to the connecting rod has the zhonghuan, the inside fixed mounting of zhonghuan has the inner ring, the positive fixed mounting of connecting rod has the collar, the mounting groove has been seted up in the front of collar, the assembly groove has been seted up to the inside of zhonghuan, the inside movable mounting of assembly groove has the spacing ring, the inside fixed mounting of spacing ring has the PTC heating member, the tube hole has been seted up to the inside of inner ring. This close tooth type heater possesses advantages such as convenient to detach and wire connection, has solved present PTC heater in the use, and the installation of PTC heating member is intensive, and when ageing or damage appeared in single PTC heating member, the dismantlement and the change of PTC heating member are all very convenient inadequately, and the wire connection of PTC heating member also has the problem of certain degree of difficulty.

Description

Dense tooth type heater

Technical Field

The utility model relates to a PTC heating member technical field specifically is a close tooth type heater.

Background

The PTC heating element is also called as PTC heater, which is composed of PTC ceramic heating element and aluminum tube, and has the advantages of small thermal resistance and high heat exchange efficiency, and is an automatic constant temperature and power saving electric heater, and the prominent characteristic lies in that the surface of the electric heating tube heater does not generate red phenomenon under any application condition, thereby causing the potential safety hazards of scald, fire and the like.

At present, when the PTC heater is used, the PTC heating bodies are densely installed, when a single PTC heating body is aged or damaged, the PTC heating body is not convenient to detach and replace, and the conductor of the PTC heating body is connected with certain difficulty, so that the dense tooth type heater is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a dense tooth type heater possesses convenient to detach and wire advantage such as being connected, has solved present PTC heater in the use, and the installation of PTC heating member is intensive, when ageing or damage appear in single PTC heating member, and the dismantlement and the change of PTC heating member are all very convenient inadequately, and the wire of PTC heating member is connected and is also had the problem of certain degree of difficulty.

(II) technical scheme

For the purpose of realizing above-mentioned convenient to detach and wire connection, the utility model provides a following technical scheme: a dense-tooth heater comprises a shell, a connecting rod is fixedly mounted inside the shell, a middle ring is fixedly mounted at one end, far away from the shell, of the connecting rod, an inner ring is fixedly mounted inside the middle ring, a mounting ring is fixedly mounted on the front surface of the connecting rod, a mounting groove is formed in the front surface of the mounting ring, a mounting groove is formed in the middle ring, a limiting ring is movably mounted inside the mounting groove, a PTC heating body is fixedly mounted inside the limiting ring, a pipe hole is formed in the inner ring, a junction tube is fixedly mounted at one end, close to the pipe hole, of the PTC heating body, a lead is fixedly mounted inside the junction tube, a rear cover is fixedly mounted on the back surface of the middle ring, a threaded hole is formed in the inner ring, a threaded ring is connected to the inner thread of the threaded hole through a, the inner ring is fixedly provided with an inner conducting ring, the inner ring is fixedly provided with an insulating ring positioned on the outer side of the inner conducting ring, and the inner ring is fixedly provided with an outer conducting ring positioned on the outer side of the insulating ring.

Preferably, the number of the connecting rods is four, and the four connecting rods are distributed annularly at equal intervals.

Preferably, the mounting ring is located between the middle ring and the shell, the mounting grooves are distributed in an equidistant annular shape, and the PTC heating body is located inside the mounting ring.

Preferably, the number of the PTC heaters, the fitting grooves and the tube holes is the same, and one end of the PTC heater near the inner ring penetrates and extends to the inside of the inner ring.

Preferably, the wire connecting pipe is positioned inside the pipe hole, and the wire connecting pipe is movably connected with the pipe hole.

Preferably, the back of the wire connecting tube is respectively contacted with the inner conducting ring and the outer conducting ring, and the rear cover is positioned on the back of the inner conducting ring and the back of the outer conducting ring.

(III) advantageous effects

Compared with the prior art, the utility model provides a close tooth type heater possesses following beneficial effect:

when the PTC heating element needs to be disassembled, the end cover is rotated to enable the end cover to drive the threaded ring to rotate in a wiring mode, the threaded ring rotates to be separated from the threaded connection of the threaded hole, the limiting effect on the limiting ring is lost, the PTC heating element can be taken out from the mounting groove, the pipe hole and the inside of the mounting groove, so the disassembly of the PTC heating element cannot be influenced, during the installation, the PTC heating element is installed in the mounting groove, the limiting ring is ensured to be embedded into the inside of the mounting groove, the wiring pipe is inserted into the pipe hole, the threaded ring is fixedly connected with the threaded hole by rotating the end cover, the end cover limits the limiting ring, the PTC heating element can be effectively fixed, the rear end of a lead is ensured to be respectively contacted with the outer conducting ring and the inner conducting ring of the conducting ring, the smoothness of current is ensured, the heater is simple and convenient, no redundant fixing structure exists, other connection modes are not needed, the steps of wiring are reduced, and the purposes of facilitating disassembly and assembly and facilitating wire connection are achieved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the inner ring structure of the present invention;

fig. 3 is a right side sectional view of the structure of the present invention.

In the figure: the PTC heater comprises a shell 1, a connecting rod 2, a middle ring 3, an inner ring 4, an assembly groove 5, a mounting ring 6, a limiting ring 7, a PTC heating body 8, a wiring tube 9, a lead wire 10, a threaded hole 11, a tube hole 12, a rear cover 13, a mounting groove 14, an outer conducting ring 15, an insulating ring 16, an inner conducting ring 17, an end cover 18 and a threaded ring 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a dense tooth type heater comprises a shell 1, connecting rods 2 are fixedly installed inside the shell 1, the number of the connecting rods 2 is four, the four connecting rods 2 are distributed in an equidistant annular mode, one end, far away from the shell 1, of each connecting rod 2 is fixedly provided with a middle ring 3, an inner ring 4 is fixedly installed inside the middle ring 3, the front face of each connecting rod 2 is fixedly provided with an installation ring 6, the installation rings 6 are located between the middle rings 3 and the shell 1, the installation grooves 14 are distributed in an equidistant annular mode, PTC heating bodies 8 are located inside the installation rings 6, the front face of each installation ring 6 is provided with the installation groove 14, the middle ring 3 is internally provided with an assembly groove 5, a limiting ring 7 is movably installed inside the assembly groove 5, PTC heating bodies 8 are fixedly installed inside the limiting ring 7, pipe holes 12 are formed inside the inner ring 4, the PTC heating bodies 8, the assembly grooves 5 and the pipe holes 12 are the same in number, and one end, close to the, the wiring tube 9 is positioned inside the tube hole 12, the wiring tube 9 is movably connected with the tube hole 12, one end of the PTC heating body 8 close to the tube hole 12 is fixedly provided with the wiring tube 9, the inside of the wiring tube 9 is fixedly provided with a lead wire 10, the back of the middle ring 3 is fixedly provided with a rear cover 13, the back of the wiring tube 9 is respectively contacted with an inner conductive ring 17 and an outer conductive ring 15, the rear cover 13 is positioned on the back of the inner conductive ring 17 and the back of the outer conductive ring 15, the inside of the inner ring 4 is provided with a threaded hole 11, the inner thread of the threaded hole 11 is connected with a threaded ring 19, the front of the threaded ring 19 is fixedly provided with an end cover 18, the inside of the inner ring 4 is fixedly provided with the inner conductive ring 17, the inside of the inner ring 4 is fixedly provided with an insulating ring 16 positioned outside the inner conductive ring 17, the inside of the inner ring 4 is fixedly provided with the outer conductive, the threaded ring 19 rotates to be separated from the threaded connection of the threaded hole 11, and simultaneously the limiting effect on the limiting ring 7 is lost, so that the PTC heating body 8 can be taken out from the mounting groove 14, the pipe hole 12 and the assembly groove 5, the disassembly of the PTC heating body cannot be influenced, during the installation, the PTC heating body 8 is installed in the mounting groove 14, meanwhile, the limiting ring 7 is ensured to be embedded into the assembly groove 5, the wiring pipe 9 is inserted into the pipe hole 12, the threaded ring 19 is fixedly connected with the threaded hole 11 by rotating the end cover 18, the end cover 18 limits the limiting ring 7, the PTC heating body 8 can be effectively fixed, meanwhile, the rear end of the lead 10 is ensured to be respectively contacted with the outer conductive ring 15 and the inner conductive ring 17, the smoothness of current is ensured, the PTC heating body is simple and convenient, no redundant fixing structure exists, and a conductive connection mode of contact is adopted between the lead 10 of, other connection modes are not needed, the wiring steps are reduced, and the purposes of facilitating disassembly and assembly and facilitating connection of the lead 10 are achieved.

When the PTC heating body 8 is used, when the PTC heating body 8 needs to be disassembled, the end cover 18 is rotated to enable the end cover 18 to drive the threaded ring 19 to rotate, the threaded ring 19 rotates to be separated from the threaded connection of the threaded hole 11, meanwhile, the limiting effect on the limiting ring 7 is lost, the PTC heating body 8 can be taken out from the mounting groove 14, the pipe hole 12 and the assembling groove 5, so the disassembly of the PTC heating body is not influenced, when the PTC heating body 8 is installed, the PTC heating body 8 is installed in the mounting groove 14, the limiting ring 7 is simultaneously ensured to be embedded into the assembling groove 5, the wiring pipe 9 is inserted into the pipe hole 12, the threaded ring 19 is fixedly connected with the threaded hole 11 through the rotating end cover 18, the end cover 18 limits the limiting ring 7, the PTC heating body 8 can be effectively fixed, meanwhile, the rear end of the conducting wire 10 is respectively contacted with the outer conducting ring 15 and the, and the conducting connection mode of contact is adopted between the lead 10 of the PTC heating body 8 and the inner conducting ring 17 and the outer conducting ring 15, other connection modes are not needed, the steps of wiring are reduced, and the purposes of facilitating disassembly and assembly and facilitating connection of the lead 10 are achieved.

To sum up, when the PTC heating element 8 needs to be disassembled, the end cover 18 is rotated to make the end cover 18 drive the thread ring 19 to rotate, the thread ring 19 rotates to separate from the thread connection of the thread hole 11, and the limit effect on the limit ring 7 is lost, so that the PTC heating element 8 can be taken out from the mounting groove 14, the pipe hole 12 and the assembly groove 5, so that the disassembly is not influenced, when in installation, the PTC heating element 8 is installed in the mounting groove 14, the limit ring 7 is ensured to be embedded in the assembly groove 5, the wiring pipe 9 is inserted into the pipe hole 12, the thread ring 19 is connected and fixed with the thread hole 11 by rotating the end cover 18, the end cover 18 limits the limit ring 7, the PTC heating element 8 can be effectively fixed, meanwhile, the rear end of the conducting wire 10 is ensured to be respectively contacted with the outer conducting ring 15 and the inner conducting ring 17, the smoothness of the current is ensured, the operation is simple and, and the wire 10 of the PTC heating body 8 and the conductive connection mode of contact between the inner conductive ring 17 and the outer conductive ring 15 do not need other connection modes, the steps of wiring are reduced, the purposes of facilitating disassembly and assembly and facilitating the connection of the wire 10 are achieved, the problems that the installation of the PTC heating body 8 is dense in the use process of the conventional PTC heater, when the single PTC heating body 8 is aged or damaged, the disassembly and the replacement of the PTC heating body 8 are not convenient enough, and the wire connection of the PTC heating body 8 also has certain difficulty are solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A dense-teeth heater comprising a housing (1), characterized in that: the inner fixing device is characterized in that a connecting rod (2) is fixedly mounted inside the shell (1), a middle ring (3) is fixedly mounted at one end, far away from the shell (1), of the connecting rod (2), an inner ring (4) is fixedly mounted inside the middle ring (3), a mounting ring (6) is fixedly mounted on the front surface of the connecting rod (2), a mounting groove (14) is formed in the front surface of the mounting ring (6), an assembly groove (5) is formed in the middle ring (3), a limiting ring (7) is movably mounted inside the assembly groove (5), a PTC heating body (8) is fixedly mounted inside the limiting ring (7), a pipe hole (12) is formed in the inner ring (4), a wiring pipe (9) is fixedly mounted at one end, close to the pipe hole (12), of the PTC heating body (8), a wire (10) is fixedly mounted inside the wiring pipe (9), and a rear cover (13) is fixedly mounted on the back surface, threaded hole (11) is seted up to the inside of inner ring (4), the inside threaded connection of threaded hole (11) has threaded ring (19), the positive fixed mounting of threaded ring (19) has end cover (18), the inside fixed mounting of inner ring (4) has interior conducting ring (17), the inside fixed mounting of inner ring (4) has insulating ring (16) that are located the conducting ring (17) outside, the inside fixed mounting of inner ring (4) has outer conducting ring (15) that are located the insulating ring (16) outside.

2. A dense tooth heater according to claim 1, wherein: the number of the connecting rods (2) is four, and the four connecting rods (2) are distributed annularly at equal intervals.

3. A dense tooth heater according to claim 1, wherein: the mounting ring (6) is positioned between the middle ring (3) and the shell (1), the mounting grooves (14) are distributed in an equidistant annular mode, and the PTC heating body (8) is positioned inside the mounting ring (6).

4. A dense tooth heater according to claim 3, wherein: the PTC heating bodies (8), the assembling grooves (5) and the pipe holes (12) are the same in number, and one end, close to the inner ring (4), of each PTC heating body (8) penetrates through and extends into the inner portion of the inner ring (4).

5. A dense tooth heater according to claim 1, wherein: the wiring pipe (9) is positioned in the pipe hole (12), and the wiring pipe (9) is movably connected with the pipe hole (12).

6. A dense tooth heater according to claim 1, wherein: the back of the wire connecting pipe (9) is respectively contacted with the inner conductive ring (17) and the outer conductive ring (15), and the rear cover (13) is positioned on the back of the inner conductive ring (17) and the outer conductive ring (15).

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