CN210958828U

CN210958828U - Standard PTC heating core

Info

Publication number: CN210958828U
Application number: CN201921822085.6U
Authority: CN
Inventors: 周军
Original assignee: Dongguan Feilu Electronic Technology Co ltd
Current assignee: Dongguan Feilu Electronic Technology Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-07-07
Anticipated expiration: 2029-10-28

Abstract

The utility model discloses a standard PTC heating core, which comprises a PTC heating core body, wherein the PTC heating core body comprises an aluminum shell, a controller, a positive electrode connecting wire and a negative electrode connecting wire are arranged on one side of the aluminum shell, insulating sleeves are sleeved on the outer sides of the positive electrode connecting wire and the negative electrode connecting wire, the back of the aluminum shell is provided with a mounting seat, the mounting seat is provided with a clamping plate, the top of the clamping plate is fixedly provided with a limiting ring, a threaded rod penetrates through the limiting ring, a first limiting stop is fixedly arranged at the bottom of the clamping plate, a second limiting stop is arranged below the first limiting stop, the mounting seat is provided with a sliding groove, a movable rod is arranged in the sliding groove, one end of the movable rod penetrates through the sliding groove and extends to the outside of the sliding groove to be connected with the limit stop block II, a limit cylinder is sleeved on the outer side of the movable rod, and a reset spring is sleeved on the outer side of the limit cylinder. Has the advantages that: the PTC heating core is convenient to disassemble and assemble, and convenience is brought to later-stage maintenance.

Description

Standard PTC heating core

Technical Field

The utility model relates to a, particularly, relate to a standard PTC heating core.

Background

The PTC heating element is a novel insulating constant-temperature heating element, two metal sheets are adhered to two sides of the PTC heating element, two leads are led to serve as power-on electrodes, an additional temperature control device is not needed, and the PTC heating element has the characteristics of continuous heating, safety, reliability, stable power, wide use voltage and the like.

The existing PTC heating devices mainly have two forms, one is surface-charged type, and the other is surface-uncharged type, but the PTC heating devices of the two forms have the problems of inconvenient installation and disassembly, and bring inconvenience to later maintenance and overhaul.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a standard PTC heating core to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a standard PTC heating core comprises a PTC heating core body, wherein the PTC heating core body comprises an aluminum shell, a controller, a positive electrode connecting wire and a negative electrode connecting wire are arranged on one side of the aluminum shell, insulating sleeves are sleeved on the outer sides of the positive electrode connecting wire and the negative electrode connecting wire, the back of the aluminum shell is provided with a mounting seat, the mounting seat is provided with a clamping plate, the top of the clamping plate is fixedly provided with a limiting ring, a threaded rod penetrates through the limiting ring, a first limiting stop is fixedly arranged at the bottom of the clamping plate, a second limiting stop is arranged below the first limiting stop, the mounting seat is provided with a sliding groove, a movable rod is arranged in the sliding groove, one end of the movable rod penetrates through the sliding groove and extends to the outside of the sliding groove to be connected with the limit stop block II, a limit cylinder is sleeved on the outer side of the movable rod, and a reset spring is sleeved on the outer side of the limit cylinder.

Furthermore, a first baffle is fixedly arranged on the outer side of the sliding groove, and two ends of the reset spring are respectively fixed on a second limit stop and the first baffle.

Furthermore, one end of the movable rod, which is far away from the limit stop, penetrates through the baffle and extends to one part of the baffle, and a pulling handle is arranged outside the baffle.

Furthermore, a second baffle is fixedly arranged on one side of the mounting seat, a threaded hole is formed in the second baffle, and the threaded rod is in threaded connection with the threaded hole.

Furthermore, one end, far away from the clamping plate, of the threaded rod penetrates through the second baffle and extends to the outside of the second baffle to form a knob.

Furthermore, the outer side of the sliding groove is provided with a dustproof plate, and the dustproof plate is fixedly connected with the mounting seat through a plurality of locking bolts.

The utility model provides a standard PTC heating core, beneficial effect as follows:

(1) when in installation, firstly, the threaded rod is driven to move by manual operation, the threaded rod drives the clamping plate to move, the clamping plate drives the limit stop block to move, the PTC heating core is longitudinally fixed, once confirmed, the PTC heating core does not need to be changed, then the PTC heating core is manually operated, the movable rod is pulled, at the moment, so that the reset spring is in an tightened state, enough space is reserved between the first limit stop and the second limit stop, the PTC heating core is clamped and installed, and finally, the pulling handle is released, the second limit stop is driven to move by the elasticity of the return spring, the PTC heating core is clamped and installed by the first limit stop and the second limit stop, and similarly, when the PTC heating core is disassembled, can be through manual operation for the movable rod removes, drives two removals of limit stop, and what just so can relax takes out PTC heating core, has made things convenient for PTC heating core's dismantlement and installation, provides convenience for the maintenance in later stage.

(2) The first baffle and the second baffle are arranged to play a role in limiting. The manual operation is facilitated by the arrangement of the pulling handle and the knob. Through being equipped with the dust guard, play dirt-proof effect, through locking bolt fixed connection, made things convenient for the dismantlement.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a standard PTC heating core according to an embodiment of the present invention;

fig. 2 is a rear view of an aluminum housing in a standard PTC heater core according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a chute in a standard PTC heating core according to an embodiment of the present invention.

Reference numerals:

1. a PTC heating core body; 2. an aluminum housing; 3. a controller; 4. the positive electrode is connected with a lead; 5. the negative electrode is connected with a lead; 6. an insulating sleeve; 7. a mounting seat; 8. clamping a plate; 9. a threaded rod; 10. a first limit stop; 11. a chute; 12. a movable rod; 13. a second limit stop; 14. a limiting cylinder; 15. a return spring; 16. pulling the handle; 17. a knob; 18. a dust-proof plate; 19. and locking the bolt.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-3, a standard PTC heating core according to an embodiment of the present invention comprises a PTC heating core body, the PTC heating core body comprises an aluminum casing 2, a controller 3, a positive connecting wire 4 and a negative connecting wire 5 are disposed on one side of the aluminum casing 2, an insulating sleeve 6 is sleeved on the outer side of each of the positive connecting wire 4 and the negative connecting wire 5, a mounting seat 7 is disposed on the back of the aluminum casing 2, a clamping plate 8 is disposed on the mounting seat 7, a limiting ring is fixedly disposed on the top of the clamping plate 8, a threaded rod 9 is disposed in the limiting ring, a first limiting stopper 10 is fixedly disposed at the bottom of the clamping plate 8, a second limiting stopper 13 is disposed below the first limiting stopper 10, a chute 11 is disposed on the mounting seat 7, a movable rod 12 is disposed in the chute 11, one end of the movable rod 12 penetrates through the chute 11 and extends out of the chute 11 to be connected with the second limiting stopper 13, the outer side of the movable rod 12 is sleeved with a limiting cylinder 14, the outer side of the limiting cylinder 14 is sleeved with a return spring 15, during installation, firstly, manual operation is performed to drive the threaded rod 9 to move, the threaded rod 9 drives the clamping plate 8 to move, the clamping plate 8 drives the first limiting stop 10 to move, the PTC heating core is longitudinally fixed, once the PTC heating core is confirmed, the PTC heating core does not need to be changed, then, manual operation is performed again to pull the movable rod 12, at the moment, the return spring 15 is in a tightened state, enough space is reserved between the first limiting stop 10 and the second limiting stop 13 to clamp and install the PTC heating core, finally, the pulling handle 16 is released, the elastic force of the return spring 15 is used to drive the second limiting stop 13 to move, the PTC heating core is clamped and installed through the first limiting stop 10 and the second limiting stop 13, and the PTC heating core is installed in a same way, during, the second limit stop 13 is driven to move, so that the PTC heating core can be easily taken out, the PTC heating core is convenient to disassemble and assemble, and convenience is brought to later-stage maintenance.

Example two:

referring to fig. 1-3, for the sliding chute 11, a first baffle is fixedly disposed outside the sliding chute 11, and two ends of the return spring 15 are respectively fixed to a second limit stop 13 and the first baffle. For the movable rod 12, the end of the movable rod 12 far away from the limit stop 10 penetrates through the baffle plate and extends to the outside of the baffle plate, and a pulling handle 16 is arranged. For the mounting base 7, a second baffle is fixedly arranged on one side of the mounting base 7, a threaded hole is formed in the second baffle, the threaded rod 9 is in threaded connection with the threaded hole, and the first baffle and the second baffle are arranged to play a limiting role. For the threaded rod 9, one end, far away from the clamping plate 8, of the threaded rod 9 penetrates through the second baffle plate and extends to the outside of the second baffle plate, and a knob 17 is arranged, so that manual operation is facilitated by the aid of a pulling handle 16 and the knob 17. For the chute 11, the outer side of the chute 11 is provided with a dustproof plate 18, the dustproof plate 18 is fixedly connected with the mounting seat 7 through a plurality of locking bolts 19, the dustproof effect is achieved through the dustproof plate 18, and the disassembly is facilitated through the locking bolts 19 in fixed connection.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process

In practical application, during installation, firstly, manual operation is carried out to drive the threaded rod 9 to move, the threaded rod 9 drives the clamping plate 8 to move, the clamping plate 8 drives the first limit stop 10 to move to longitudinally fix the PTC heating core, once the PTC heating core is confirmed, the PTC heating core does not need to be changed, then manual operation is carried out again to pull the movable rod 12, at the moment, the reset spring 15 is enabled to be in a tightened state, a sufficient space is reserved between the first limit stop 10 and the second limit stop 13 to carry out clamping installation on the PTC heating core, finally, the pulling handle 16 is released, the second limit stop 13 is driven to move through the elasticity of the reset spring 15, the PTC heating core is clamped and installed through the first limit stop 10 and the second limit stop 13, and similarly, during disassembly, the movable rod 12 can be moved through manual operation to drive the second limit stop 13 to move, so that the PTC heating core can be easily taken out, the PTC heating core is convenient to disassemble and assemble, and convenience is brought to later-stage maintenance. The first baffle and the second baffle are arranged to play a role in limiting. By providing the pull handle 16 and the knob 17, manual operation is facilitated. Through being equipped with dust guard 18, play dirt-proof effect, through locking bolt 19 fixed connection, made things convenient for the dismantlement.

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

1. A standard PTC heating core is characterized by comprising a PTC heating core body, wherein the PTC heating core body comprises an aluminum shell (2), one side of the aluminum shell (2) is provided with a controller (3), a positive connecting wire (4) and a negative connecting wire (5), the outer sides of the positive connecting wire (4) and the negative connecting wire (5) are respectively sleeved with an insulating sleeve (6), the back of the aluminum shell (2) is provided with an installation seat (7), the installation seat (7) is provided with a clamping plate (8), the top of the clamping plate (8) is fixedly provided with a limiting ring, a threaded rod (9) penetrates through the limiting ring, the bottom of the clamping plate (8) is fixedly provided with a first limiting stop block (10), a second limiting stop block (13) is arranged below the first limiting stop block (10), the installation seat (7) is provided with a sliding groove (11), a movable rod (12) is arranged in the sliding groove (11), one end of the movable rod (12) penetrates through the sliding groove (11) and extends to the outer side of the sliding groove (11) and the second limit stop (13) are connected, a limit cylinder (14) is sleeved on the outer side of the movable rod (12), and a reset spring (15) is sleeved on the outer side of the limit cylinder (14).

2. A standard PTC heating core according to claim 1, wherein a first baffle is fixed outside the sliding slot (11), and two ends of the return spring (15) are respectively fixed on a second limit stop (13) and the first baffle.

3. A standard PTC exothermic core according to claim 2, wherein the end of the movable rod (12) away from the limit stop (10) extends through the baffle plate and extends to an outer portion of the baffle plate and is provided with a pulling handle (16).

4. A standard PTC heating core according to claim 3, wherein a second baffle is fixedly arranged on one side of the mounting seat (7), a threaded hole is formed in the second baffle, and the threaded rod (9) is in threaded connection with the threaded hole.

5. A standard PTC heating core according to claim 4, wherein one end of the threaded rod (9) far away from the clamping plate (8) penetrates through the second baffle plate and extends to the outside of the baffle plate to form a knob (17).

6. A standard PTC heating core according to claim 5, characterized in that a dust-proof plate (18) is arranged outside the sliding groove (11), and the dust-proof plate (18) is fixedly connected with the mounting seat (7) through a plurality of locking bolts (1).