CN210868190U - Separable PTC heater - Google Patents

Abstract

The utility model relates to the technical field of PTC heaters, in particular to a detachable PTC heater. The two mounting brackets are respectively arranged symmetrically on both sides of a PTC heater body, and both ends of the PTC heater body are fixed. A vertically arranged pressure-releasing spring is connected, and one end of the pressure-releasing spring away from the PTC heater body is fixedly connected with a mounting block, one end of the mounting bracket is fixedly connected with a mounting seat, and the side of the mounting seat away from the mounting bracket is opened with a mounting block. installation slot. In the utility model, by setting the elastic mechanism, the installation and disassembly of the PTC heater body and the installation bracket can be realized by simply pulling the pull rod. The operation process does not require the use of tools, which saves time and manpower, and facilitates the maintenance of the PTC heater body. , By setting a pressure-releasing spring, a soft connection is formed between the PTC heater body and the mounting bracket, which reduces the damage caused by the resonance force to the PTC heater body and prolongs the service life.

Description

A detachable PTC heater

technical field

The utility model relates to the technical field of PTC heaters, in particular to a separable PTC heater.

Background technique

PTC heating element is also called PTC heater. It is composed of PTC ceramic heating element and aluminum tube. This type of PTC heating element has the advantages of small thermal resistance and high heat exchange efficiency. It is an automatic constant temperature and power saving electric heater. The characteristic lies in the safety performance. In any application situation, there will be no "redness" phenomenon on the surface of the electric heating tube heater, which will cause scalding, fire and other safety hazards.

In the prior art, the PTC heater body is fixedly connected to the mechanical equipment through the mounting bracket, and the PTC heater body and the mounting bracket are designed in an integrated manner, and the mounting bracket and the mechanical equipment are directly fixed by bolts or welding. The heater body needs to use tools during installation and disassembly, which is troublesome to operate, wastes manpower, and inconvenient to overhaul the PTC heater body. Secondly, this connection method is a rigid connection, and the vibration generated by the mechanical equipment is different from the PTC heater body. Resonance is formed between them, which is easy to cause damage to the parts of the PTC heater body and shorten the service life. Therefore, those skilled in the art provide a detachable PTC heater to solve the above-mentioned problems in the background art.

Utility model content

The purpose of the present invention is to provide a detachable PTC heater to solve the problems raised in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides the following technical solutions: a detachable PTC heater, comprising a PTC heater body and two mounting brackets, and the two mounting brackets are located symmetrically on both sides of the PTC heater body respectively. , both ends of the PTC heater body are fixedly connected with a vertically arranged pressure-releasing spring, and one end of the pressure-releasing spring away from the PTC heater body is fixedly connected with a mounting block, and one end of the mounting bracket is fixedly connected with a mounting seat , and the side of the mounting seat away from the mounting bracket is provided with a mounting groove, the mounting block is inserted in the mounting groove, one side of the mounting seat is provided with a first through hole communicated with the mounting groove, and the first A laterally arranged clamping rod is inserted and slidably connected in the hole, a clamping slot corresponding to the clamping rod is opened on the side wall of the mounting block, and one end of the clamping rod is inserted into the clamping groove, and the clamping rod is far away from the clamping groove One end of the mounting seat penetrates through the mounting seat and is fixedly connected with a connecting rod. There are two elastic force mechanisms in the side wall of the mounting seat, and the two elastic force mechanisms are located symmetrically on both sides of the clamping rod. One end of the elastic force mechanism It penetrates through the mounting seat and is fixedly connected with the side wall of the connecting rod.

As a further solution of the present invention: the elastic mechanism includes a sliding cavity opened in the mounting seat, a sliding block is slidably connected in the sliding cavity, and a side of the sliding block away from the PTC heater body is fixedly connected with a laterally arranged The sliding rod extends through the sliding cavity to the outside of the mounting seat and is fixedly connected with the connecting rod. A compression spring is sleeved on the sliding rod in the sliding cavity, and one end of the compression spring is connected to the side of the sliding block. The wall is fixedly connected, and the other end of the compression spring is fixedly connected with the inner wall of the sliding cavity.

As a further solution of the present invention, the side wall of the mounting seat is provided with a second through hole communicating with the sliding cavity, and the sliding rod is arranged through the second through hole, and the outer side wall of the sliding rod is connected with the second through hole. The inner wall of the hole is slidably connected.

As a further solution of the present invention, a pull rod is fixedly connected to a side of the connecting rod away from the mounting seat, and the pull rod is arranged in an arc shape.

As a further solution of the present invention, the number of the pressure-releasing springs is four, and the four pressure-releasing springs are located symmetrically on both sides of the PTC heater body.

As a further solution of the present invention, the side walls of the two mounting brackets are provided with mounting holes, and the mounting holes are threadedly connected with fixing bolts, and the mounting brackets are fixedly connected to the body through the fixing bolts.

Compared with the prior art, the beneficial effects of the present utility model are:

1. By setting the elastic mechanism, it is only necessary to pull the pull rod to drive the clamping rod fixed with the connecting rod to move away from the groove. At this time, the sliding rod follows the displacement of the connecting rod and drives the slider to slide in the sliding cavity. At this time, it is compressed. The spring is squeezed by the slider to generate elastic force. Then, when the clamping rod is completely separated from the clamping groove, the mounting block loses its restriction, and the mounting block can be separated from the mounting groove on the mounting seat. Release the pull rod, and the compression spring is due to the elastic force. , push the sliding block to reset, thereby driving the clamping rod to reset. The structure design is ingenious, which is convenient for the installation and disassembly of the PTC heater body and the mounting bracket. The operation process does not require the use of tools, which saves time and labor, and facilitates the maintenance of the PTC heater body. .

2. By setting the pressure-relief spring, when the mechanical equipment vibrates, the pressure-relief spring will be vibrated to generate elastic force, which can offset the vibration force and form a soft connection between the PTC heater body and the mounting bracket, thereby reducing the impact of the vibration force. The damage caused by the PTC heater body prolongs the service life of the PTC heater body.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of a detachable PTC heater;

2 is a schematic side view of a detachable PTC heater;

3 is a schematic cross-sectional view of the connection between the mounting seat and the mounting block in a detachable PTC heater;

FIG. 4 is a schematic three-dimensional structure diagram of a mounting seat in a detachable PTC heater.

In the figure: 1. PTC heater body; 2. Mounting bracket; 3. Relief spring; 4. Mounting block; 5. Mounting seat; 6. Mounting slot; 7. First through hole; 8. Clamping rod; 9. Card slot; 10, connecting rod; 11, sliding cavity; 12, slider; 13, sliding rod; 14, compression spring; 15, second through hole; 16, pull rod; 17, mounting hole.

Detailed ways

Referring to FIGS. 1 to 4 , in an embodiment of the present invention, a detachable PTC heater includes a PTC heater body 1 and two mounting brackets 2 , and the two mounting brackets 2 are respectively located on two sides of the PTC heater body 1 . The side is symmetrically arranged, the force is more uniform, and the fixation is more reliable. Both ends of the PTC heater body 1 are fixedly connected with a vertically arranged slow pressure spring 3. The compression spring 3 is vibrated to generate elastic force, which can offset the vibration force and form a soft connection between the PTC heater body 1 and the mounting bracket 2, thereby reducing the damage to the PTC heater body 1 caused by the vibration force and extending the PTC heater body. The service life of 1, and the end of the buffer spring 3 away from the PTC heater body 1 is fixedly connected with a mounting block 4, which is welded and fixed more firmly, and one end of the mounting bracket 2 is fixedly connected with a mounting seat 5, and the mounting seat 5 is far from the installation. One side of the bracket 2 is provided with a mounting slot 6, the mounting block 4 is inserted in the mounting slot 6, and one side of the mounting seat 5 is provided with a first through hole 7 communicated with the mounting slot 6, and the first through hole 7 A laterally arranged clamping rod 8 is inserted and slidably connected to facilitate the displacement of the clamping rod 8. The side wall of the mounting block 4 is provided with a clamping slot 9 corresponding to the clamping rod 8, and one end of the clamping rod 8 is inserted in the clamping slot 9. The end of the clamping rod 8 away from the clamping slot 9 penetrates the mounting seat 5 and is fixedly connected with the connecting rod 10. Two elastic mechanisms are arranged in the side wall of the mounting seat 5, and the two elastic mechanisms are located on the two sides of the clamping rod 8 symmetrically. One end of the elastic mechanism penetrates the mounting seat 5 and is fixedly connected to the side wall of the connecting rod 10, and pulls the pulling rod 16 away from the mounting block 4 to drive the clamping rod 8 fixed to the connecting rod 10 to move away from the clamping slot 9. , at this time, due to the setting of the elastic mechanism, the compression spring 14 is squeezed by the slider 12 to generate elastic force, and then, when the clamping rod 8 is completely separated from the clamping slot 9, the mounting block 4 loses its restriction at this time, and the The mounting block 4 is separated from the mounting groove 6 on the mounting seat 5, and the separation of the PTC heater body 1 and the mounting bracket 2 can be completed, and the pull rod 16 is loosened. The rod 8 is inserted into the card slot 9 and pressed tightly;

In FIG. 3: the elastic mechanism includes a sliding cavity 11 opened in the mounting seat 5, a sliding block 12 is slidably connected in the sliding cavity 11, and the side of the sliding block 12 away from the PTC heater body 1 is fixedly connected with a laterally arranged sliding block 11. The rod 13, the sliding rod 13 extends through the sliding cavity 11 to the outer side of the mounting seat 5 and is fixedly connected with the connecting rod 10. A compression spring 14 is sleeved on the sliding rod 13 in the sliding cavity 11, and one end of the compression spring 14 is connected to the slider 12. and the other end of the compression spring 14 is fixedly connected to the inner wall of the sliding cavity 11. Since the sliding block 12 is slidably connected to the sliding cavity 11, the sliding rod 13 moves with the connecting rod 10 and drives the sliding block 12 to the sliding cavity 11. Sliding in the middle, at this time, the compression spring 14 is squeezed by the slider 12 to generate elastic force;

In FIG. 3 : the side wall of the mounting seat 5 is provided with a second through hole 15 communicating with the sliding cavity 11 , and the sliding rod 13 is arranged through the second through hole 15 , and the outer side wall of the sliding rod 13 is connected to the second through hole 15 The inner wall of the slidable connection is convenient for the displacement of the sliding rod 13;

In FIG. 3 : a pull rod 16 is fixedly connected to the side of the connecting rod 10 away from the mounting seat 5 , and the pull rod 16 is arranged in an arc shape, which is convenient for pulling the connecting rod 10 ;

In Fig. 1: the number of the pressure-releasing springs 3 is four, and the four pressure-releasing springs 3 are located symmetrically on both sides of the PTC heater body 1, the force is more uniform, and the elastic force is more sufficient;

In FIG. 1, the side walls of the two mounting brackets 2 are provided with mounting holes 17, and the mounting holes 17 are threadedly connected with fixing bolts. The mounting brackets 2 are fixedly connected to the body through the fixing bolts, and the connection is convenient and firm.

The working principle of the present invention is as follows: when the PTC heater body 1 and the mounting bracket 2 need to be separated, the pull rod 16 is pulled in the direction away from the mounting block 4, and the clamping rod 8 fixed with the connecting rod 10 is driven to move away from the clamping slot 9. At this time, due to the sliding connection between the slider 12 and the sliding cavity 11, the sliding rod 13 follows the displacement of the connecting rod 10, and drives the sliding block 12 to slide in the sliding cavity 11. At this time, the compression spring 14 is squeezed by the sliding block 12. Then, when the clamping rod 8 is completely separated from the clamping slot 9, the mounting block 4 loses its restriction, and the mounting block 4 can be separated from the mounting slot 6 on the mounting seat 5, and the PTC heater body 1 and the Separation of mounting bracket 2;

When the PTC heater body 1 and the mounting bracket 2 need to be installed, in the same way, the pull rod 16 is pulled in the direction away from the mounting block 4. At this time, the compression spring 14 generates elastic force. When the clamping rod 8 is completely retracted into the first through hole 7 At this time, the installation block 4 can be inserted into the installation slot 6, and then the pull rod 16 is loosened. The compression spring 14 pushes the slider 12 to reset due to the elastic force, thereby driving the clamping rod 8 into the clamping slot 9 and pressing it tightly to complete the installation. , The structure is cleverly designed, which is convenient for the installation and disassembly of the PTC heater body 1 and the mounting bracket 2, and the operation process does not require the use of tools, which saves time and manpower, and facilitates the maintenance of the PTC heater body 1;

By setting the pressure-releasing spring 3, when the mechanical equipment vibrates during operation, the pressure-releasing spring 3 is vibrated to generate elastic force, which can offset the vibration force and form a soft connection between the PTC heater body 1 and the mounting bracket 2, thereby reducing the vibration The damage caused by the force to the PTC heater body 1 prolongs the service life of the PTC heater body 1 .

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. The technical solution of the utility model and its utility model concept are equivalently replaced or changed, and should be covered within the protection scope of the present utility model.

Claims (6)

1. A separable PTC heater comprises a PTC heater body (1) and two mounting brackets (2), and is characterized in that the two mounting brackets (2) are respectively arranged on two sides of the PTC heater body (1) in a symmetrical mode, the two ends of the PTC heater body (1) are fixedly connected with vertically arranged pressure-reducing springs (3), one ends, far away from the PTC heater body (1), of the pressure-reducing springs (3) are fixedly connected with mounting blocks (4), one ends of the mounting brackets (2) are fixedly connected with mounting seats (5), one sides, far away from the mounting brackets (2), of the mounting seats (5) are provided with mounting grooves (6), the mounting blocks (4) are inserted in the mounting grooves (6), one sides of the mounting seats (5) are provided with first through holes (7) communicated with the mounting grooves (6), and the first through holes (7) are inserted with transversely arranged clamping rods (8) in a sliding mode, draw-in groove (9) that correspond with kelly (8) are seted up to the lateral wall of installation piece (4), and the one end of kelly (8) is inserted and is located in draw-in groove (9), the one end that draw-in groove (9) were kept away from in kelly (8) runs through mount pad (5) and fixedly connected with connecting rod (10), be equipped with two elasticity mechanisms, and two in the lateral wall of mount pad (5) the elasticity mechanism is located the bilateral symmetry setting of kelly (8) respectively, the one end of elasticity mechanism run through mount pad (5) and with the lateral wall fixed connection of connecting rod (10).

2. A separable PTC heater according to claim 1, wherein the elastic mechanism comprises a sliding cavity (11) arranged in the mounting seat (5), a sliding block (12) is slidably connected in the sliding cavity (11), a sliding rod (13) transversely arranged is fixedly connected to one side of the sliding block (12) far away from the PTC heater body (1), the sliding rod (13) penetrates through the sliding cavity (11) and extends to the outer side of the mounting seat (5) and is fixedly connected with the connecting rod (10), a compression spring (14) is sleeved on the sliding rod (13) in the sliding cavity (11), one end of the compression spring (14) is fixedly connected with the side wall of the sliding block (12), and the other end of the compression spring (14) is fixedly connected with the inner wall of the sliding cavity (11).

3. The separable PTC heater according to claim 2, wherein the side wall of the mounting seat (5) is provided with a second through hole (15) communicated with the sliding cavity (11), the sliding rod (13) is disposed through the second through hole (15), and the outer side wall of the sliding rod (13) is slidably connected with the inner wall of the second through hole (15).

4. A separable PTC heater according to claim 2, wherein a pull rod (16) is fixedly connected to a side of the connecting rod (10) away from the mounting seat (5), and the pull rod (16) is arc-shaped.

5. A separable PTC heater according to claim 1, wherein the number of the pressure-relief springs (3) is four, and the four pressure-relief springs (3) are symmetrically disposed on both sides of the PTC heater body (1).

6. The separable PTC heater according to claim 1, wherein the side walls of the two mounting brackets (2) are provided with mounting holes (17), fixing bolts are screwed in the mounting holes (17), and the mounting brackets (2) are fixedly connected with the machine body through the fixing bolts.

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