Heating structure of heating rod
The use of a limiting plate and telescopic block structure to stably fix the power supply wire solves the problem of easy bending at the connection point of the heating rod power supply wire, thereby improving service life and enhancing safety.
Patent Information
- Application Number
- CN202423064579.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-11
AI Technical Summary
The electrical connection points of existing heating rods are prone to bending, which can lead to short circuits or power outages and reduce their service life.
The device employs a limiting plate and telescopic block structure, and uses a sliding groove and threaded connection to fix the power line. Combined with rubber pads and sealing plates, it achieves stable limiting and protection of the power line.
It effectively avoids bending and breakage at the connection points of the power cord, extends the service life of the heating element, and provides safety protection against boiling water splashing.
Smart Images

Figure CN223567813U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to heating rod technical field, especially relate to a heating rod heating structure. BACKGROUND
[0002] The heating rod is a kind of commonly used heating equipment, and its core is heating structure, and heating structure is usually made of high resistivity wire such as nickel-chromium alloy or graphite electrode, and heating is realized by converting electric energy into heat energy, and the heating rod also includes insulation layer, shell and other components to ensure safe and efficient heat transfer, and the overall design is compact, and is widely used in aquarium, industrial heating and other fields.
[0003] The Chinese patent with publication number "CN219311767U" discloses a heating rod heating structure, which comprises a heating rod, an extension rod and an electric socket, one end of the extension rod is connected with the heating rod, the other end is connected with the electric socket, the heating rod and the extension rod are inserted into a mold, and the heating rod is used to heat the glue surface in the mold, and the electric socket is arranged outside the mold.
[0004] However, the heating rod still has some shortcomings, when using the heating rod, the power supply line needs to be connected with power, because the power supply line has a certain length, the connecting point of the power supply line is easy to bend, and under long-term use, the connecting point of the power supply line is easy to crack, thereby causing the power supply line to be short-circuited or disconnected, thereby reducing the service life of the heating rod. UTILITY MODEL CONTENTS
[0005] In view of the problems mentioned in the background art, the purpose of the utility model is to provide a heating rod heating structure to solve the problems mentioned in the above background art.
[0006] The above technical purpose of the utility model is realized by the following technical scheme:
[0007] A heating rod heating structure, comprising a connector, the bottom end of the connector is provided with a heating rod body, the top end of the connector is provided with a power supply line, the top end of the connector is fixedly connected with a first telescopic block, the top end of the connector is slidably connected with a second telescopic block, the top end of the connector is provided with a second sliding groove matched with the second telescopic block, the second telescopic block is slidably connected to the top end of the connector through the second sliding groove, the top end of the first telescopic block is threadedly connected with a first limiting plate, the top end of the second telescopic block is threadedly connected with a second limiting plate, one side of the first telescopic block and the other side of the second telescopic block are both arc-shaped, the power supply line is located on the inner side close to the first limiting plate and the second limiting plate, a clamping groove is formed in one side of the first limiting plate, a clamping block matched with the clamping groove is fixedly connected to the other side of the second limiting plate, and the position of the clamping block is symmetrical with the position of the clamping groove.
[0008] As a preferred technical solution, the top end of the first limiting plate and the second limiting plate is provided with a first screw hole, the inner side of the first screw hole is threadedly connected with a bolt, and the first limiting plate and the second limiting plate are threadedly connected to the top end of the first telescopic block and the second telescopic block through the first screw hole and the bolt.
[0009] As a preferred technical solution, one side of the first limiting plate and the other side of the second limiting plate are fixedly connected with rubber pads, the rubber pads cover one side of the first limiting plate and the other side of the second limiting plate, and the rubber pads are attached to the live wire.
[0010] As a preferred technical solution, the front side of the first telescopic block and the second telescopic block is fixedly connected with a connecting block, the inner side of the connecting block is fixedly connected with a telescopic rod, the front side of the telescopic rod is fixedly connected with a fixed plate, the top end of the connector is rotatably connected with a rotating shaft, the top end of the rotating shaft is fixedly connected with a screw rod, and the top end of the fixed plate is provided with a second screw hole matched with the screw rod, and the screw rod is threadedly connected to the inner side of the second screw hole.
[0011] As a preferred technical solution, the outer side of the connector is slidably connected with a sealing plate, and the outer side of the connector is provided with a first sliding groove matched with the sealing plate.
[0012] As a preferred technical solution, the bottom end of the sealing plate is fixedly connected with a sealing pad, the sealing pad covers the bottom end of the sealing plate, and the position of the bottom end of the sealing pad is on the same horizontal line as the position of the bottom end of the connector.
[0013] As a preferred technical solution, the inner side of the heating rod body is provided with an insulating layer, the thickness of the insulating layer is one centimeter, the inner side of the heating rod body is provided with a heating wire, and the heating wire is located on the inner side close to the insulating layer.
[0014] In summary, the utility model mainly has the following beneficial effects:
[0015] First, when the live wire is connected to the power supply, the second telescopic block can be moved through the first sliding groove, and then the clamping block can be clamped into the clamping groove, and under the mutual clamping of the first limiting plate and the second limiting plate, the connection point of the live wire can be effectively limited to avoid the connection point from being bent, because the telescopic block can be telescoped up and down, and then the user can adjust the limiting height of the live wire, and the corresponding height can be adjusted according to the plug-in point of the live wire to effectively avoid the bending or breaking of the live wire, thereby effectively prolonging the service life of the heating rod body.
[0016] Second, because the presence of the screw, screw, the shaft can make the screw end in situ rotation, and the fixed plate will be followed by the extension rod up and down, the free extension of the extension rod will not hinder the second extension block sliding, under the limitation of the screw, thereby can effectively limit the height of the first extension block and the second extension block, can effectively avoid the first extension block and the second extension block from sliding, thereby improving the stability of the height adjustment of the first limiting plate and the second limiting plate, because the presence of the sealing plate, the user can use the corresponding size of the sealing plate according to the demand, thereby can effectively block the container mouth using the heating rod, to avoid boiling water splash out. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a structural schematic diagram of the utility model;
[0018] Figure 2 is the A part enlarged structural schematic diagram of the utility model Figure 1 ;
[0019] Figure 3 is the bottom end structural schematic diagram of the utility model;
[0020] Figure 4 is the connector section view structural schematic diagram of the utility model.
[0021] Sign: 1, connector; 2, heating rod body; 3, power line; 4, first sliding slot; 5, sealing plate; 6, sealing pad; 7, insulation layer; 8, heating wire; 9, first extension block; 10, first limiting plate; 11, second sliding slot; 12, second extension block; 13, second limiting plate; 14, first screw hole; 15, bolt; 16, rubber pad; 17, clamping block; 18, clamping groove; 19, connecting block; 20, extension rod; 21, fixed plate; 22, second screw hole; 23, screw; 24, shaft. DETAILED DESCRIPTION
[0022] EMBODIMENT
[0023] REFERENCE Figures 1 to 4The heating rod heating structure of the embodiment comprises a connector 1, a heating rod body 2 is installed at the bottom end of the connector 1, a power wire 3 is arranged at the top end of the connector 1, a first telescopic block 9 is fixedly connected to the top end of the connector 1, a second telescopic block 12 is slidably connected to the top end of the connector 1, a second sliding groove 11 matched with the second telescopic block 12 is arranged at the top end of the connector 1, the second telescopic block 12 is slidably connected to the top end of the connector 1 through the second sliding groove 11, a first limiting plate 10 is threadedly connected to the top end of the first telescopic block 9, a second limiting plate 13 is threadedly connected to the top end of the second telescopic block 12, one side of the first telescopic block 9 and the other side of the second telescopic block 12 are arc-shaped, the power wire 3 is located at the inner side close to the first limiting plate 10 and the second limiting plate 13, a clamping groove 18 is arranged at one side of the first limiting plate 10, a clamping block 17 matched with the clamping groove 18 is fixedly connected to the other side of the second limiting plate 13, the position of the clamping block 17 is symmetrical to the position of the clamping groove 18, in use, the heating rod body 2 is placed in a container to be heated, then the power wire 3 is powered on, so that the heating element in the heating rod body 2 can continuously heat the container, the heating element in the heating rod body 2 is commonly an electric heating wire 8, in order to improve the service life of the heating rod body 2 and the power wire 3, the second telescopic block 12 is moved by the first sliding groove 4, the clamping block 17 is clamped into the clamping groove 18, so that the first limiting plate 10 and the second limiting plate 13 are spliced into a whole, under the mutual clamping of the first limiting plate 10 and the second limiting plate 13, the connection point of the power wire 3 can be effectively limited, so as to avoid the connection point being bent, the telescopic block comprises a movable block and a sleeve block, the movable block is sleeved on the inner side of the sleeve block, the telescopic block can be telescoped up and down, so as to facilitate the user to adjust the limiting height of the power wire 3, the limiting height is adjusted according to the plug-in position of the power wire 3, so as to effectively avoid the power wire 3 being bent or broken, thereby effectively improving the service life of the heating rod body 2.
[0024] Reference Figure 1 With Figure 2 The top end of the first limiting plate 10 and the second limiting plate 13 is provided with a first screw hole 14, a screw 15 is threadedly connected to the inner side of the first screw hole 14, the first limiting plate 10 and the second limiting plate 13 are threadedly connected to the top end of the first telescopic block 9 and the second telescopic block 12 through the first screw hole 14 and the screw 15, the screw 15 is screwed in to effectively fix the position of the first limiting plate 10 and the second limiting plate 13, so as to avoid the first limiting plate 10 and the second limiting plate 13 being displaced, when it is needed to be disassembled, the screw 15 is unscrewed from the first screw hole 14, which is also convenient for the user to maintain the first limiting plate 10 and the second limiting plate 13 later.
[0025] Reference Figure 1 With Figure 2The side of the first limiting plate 10 and the other side of the second limiting plate 13 are fixedly connected with rubber pads 16, the rubber pads 16 cover the side of the first limiting plate 10 and the other side of the second limiting plate 13, and the rubber pads 16 are attached to the live wire 3. Due to the existence of the rubber pads 16, which are rubber products, the rubber pads 16 have good anti-skid and rubber shock-absorbing capabilities, which can improve the limiting stability of the live wire 3, and can also avoid mutual bumping between the first limiting plate 10, the second limiting plate 13 and the live wire 3, thereby achieving good protection.
[0026] Reference Figure 1 With Figure 2 The front side of the first telescopic block 9 and the second telescopic block 12 is fixedly connected with a connecting block 19, the inner side of the connecting block 19 is fixedly connected with a telescopic rod 20, the front side of the telescopic rod 20 is fixedly connected with a fixed plate 21, the top end of the connector 1 is rotatably connected with a rotating shaft 24, the top end of the rotating shaft 24 is fixedly connected with a screw rod 23, the top end of the fixed plate 21 is provided with a second screw hole 22 matched with the screw rod 23, and the screw rod 23 is threadedly connected to the inner side of the second screw hole 22. Due to the existence of the screw rod 23, when the screw rod 23 is twisted, the rotating shaft 24 can rotate the end of the screw rod 23 in place, and the fixed plate 21 will drive the telescopic rod 20 to move up and down, and the free telescopic movement of the telescopic rod 20 will not hinder the sliding of the second telescopic block 12. Under the limitation of the screw rod 23, the height of the first telescopic block 9 and the second telescopic block 12 can be effectively limited, the first telescopic block 9 and the second telescopic block 12 can be effectively prevented from sliding downward by themselves, and the stability of the height adjustment of the first limiting plate 10 and the second limiting plate 13 is improved.
[0027] Reference Figure 1 With Figure 3 The outer side of the connector 1 is slidably connected with a sealing plate 5, the outer side of the connector 1 is provided with a first sliding groove 4 matched with the sealing plate 5, the sealing plate 5 is slidably connected to the outer side of the connector 1 through the first sliding groove 4, the bottom end of the sealing plate 5 is fixedly connected with a sealing gasket 6, the sealing gasket 6 covers the bottom end of the sealing plate 5, and the position of the bottom end of the sealing gasket 6 is on the same horizontal line as the position of the bottom end of the connector 1. Due to the existence of the sealing plate 5, the user can use a sealing plate 5 of a corresponding size according to the needs, the second sliding groove 11 can facilitate the disassembly and installation of the sealing plate 5, and the sealing gasket 6 can effectively block the container port of the heating rod to prevent boiling water from splashing out, thereby achieving good safety protection.
[0028] Reference Figure 1 With Figure 4The inner side of the heating rod body 2 is provided with an insulating layer 7, the thickness of the insulating layer 7 is one centimeter, the inner side of the heating rod body 2 is provided with a heating wire 8, the heating wire 8 is located close to the inner side of the insulating layer 7, due to the existence of the insulating layer 7, the insulating layer 7 is an insulating material used in the heating rod to protect the heating element and the conductor, a high-temperature-resistant ceramic tube is adopted, which can effectively prevent the heating rod from overheating and causing a short circuit.
[0029] Principle and advantages: when in use, the heating rod body 2 is placed in the container that needs to be heated, then the power supply line 3 is connected to the power supply, and then the heating element in the heating rod body 2 can continuously heat the container, in order to improve the service life of the heating rod body 2 and the power supply line 3, the second telescopic block 12 is moved by the first sliding groove 4, the clamping block 17 is clamped into the clamping groove 18, and then the first limiting plate 10 and the second limiting plate 13 are spliced into a whole, and the connecting point of the power supply line 3 is effectively limited under the mutual clamping of the first limiting plate 10 and the second limiting plate 13, so as to avoid the bending of the connecting point, because the telescopic block can be telescopic up and down, it is also convenient for the user to adjust the limiting height of the power supply line 3, and the corresponding height is adjusted according to the plug-in point of the power supply line 3, which can effectively avoid the bending or breaking of the power supply line 3, so as to effectively improve the service life of the heating rod body 2, because of the existence of the bolt 15, the bolt 15 is screwed into the first screw hole 14, which can effectively fix the position of the first limiting plate 10 and the second limiting plate 13, so as to avoid the displacement of the first limiting plate 10 and the second limiting plate 13, when it is needed to be disassembled, the bolt 15 is screwed out of the first screw hole 14, which is convenient for the user to maintain the first limiting plate 10 and the second limiting plate 13 later, because of the existence of the rubber pad 16, the rubber pad 16 is made of rubber, which has good anti-skid ability and rubber shock absorption ability, which can improve the limiting stability of the power supply line 3, and can also avoid the mutual knocking between the first limiting plate 10, the second limiting plate 13 and the power supply line 3, so as to have good protection, because of the existence of the screw rod 23, when the screw rod 23 is screwed, the shaft 24 can rotate the end of the screw rod 23 in place, and the fixed plate 21 can drive the telescopic rod 20 to move up and down, the free telescopic of the telescopic rod 20 will not hinder the sliding of the second telescopic block 12, and under the limitation of the screw rod 23, the height of the first telescopic block 9 and the second telescopic block 12 can be effectively limited, which can effectively avoid the self-sliding of the first telescopic block 9 and the second telescopic block 12, thereby improving the stability of the height adjustment of the first limiting plate 10 and the second limiting plate 13, because of the existence of the sealing plate 5, the user can use the sealing plate 5 of corresponding size according to the demand, the second sliding groove 11 is convenient for disassembling and installing the sealing plate 5, and the sealing gasket 6 can effectively seal the container opening of the heating rod, so as to avoid the boiling water from splashing out, thereby achieving good safety protection.
Claims
1. A heating rod heating structure comprising a connector (1), characterized in that: The bottom end of the connector (1) is provided with a heating rod body (2), the top end of the connector (1) is provided with an electrified wire (3), the top end of the connector (1) is fixedly connected with a first telescopic block (9), the top end of the connector (1) is slidably connected with a second telescopic block (12), the top end of the connector (1) is provided with a second sliding groove (11) matched with the second telescopic block (12), the second telescopic block (12) is slidably connected to the top end of the connector (1) through the second sliding groove (11), the top end of the first telescopic block (9) is threadedly connected with a first limiting plate (10), the top end of the second telescopic block (12) is threadedly connected with a second limiting plate (13), one side of the first telescopic block (9) and the other side of the second telescopic block (12) are arc-shaped, the electrified wire (3) is located on the inner side close to the first limiting plate (10) and the second limiting plate (13), one side of the first limiting plate (10) is provided with a clamping groove (18), the other side of the second limiting plate (13) is fixedly connected with a clamping block (17) matched with the clamping groove (18), and the position of the clamping block (17) is symmetrical to the position of the clamping groove (18).
2. The heating rod heating structure according to claim 1, characterized in that: The top end of the first limiting plate (10) and the second limiting plate (13) is provided with a first screw hole (14), the inner side of the first screw hole (14) is threadedly connected with a bolt (15), and the first limiting plate (10) and the second limiting plate (13) are threadedly connected to the top end of the first telescopic block (9) and the second telescopic block (12) through the first screw hole (14) and the bolt (15).
3. The heating rod heating structure according to claim 1, characterized in that: One side of the first limiting plate (10) and the other side of the second limiting plate (13) are fixedly connected with rubber pads (16), the rubber pads (16) cover one side of the first limiting plate (10) and the other side of the second limiting plate (13), and the rubber pads (16) are attached to the electrified wire (3).
4. The heating rod heating structure according to claim 1, characterized in that: The front side of the first telescopic block (9) and the second telescopic block (12) is fixedly connected with a connecting block (19), the inner side of the connecting block (19) is fixedly connected with a telescopic rod (20), the front side of the telescopic rod (20) is fixedly connected with a fixed plate (21), the top end of the connector (1) is rotatably connected with a rotating shaft (24), the top end of the rotating shaft (24) is fixedly connected with a screw rod (23), the top end of the fixed plate (21) is provided with a second screw hole (22) matched with the screw rod (23), and the screw rod (23) is threadedly connected to the inner side of the second screw hole (22).
5. The heating rod heating structure according to claim 1, characterized in that: The outer side of the connector (1) is slidably connected with a sealing plate (5), the outer side of the connector (1) is provided with a first sliding groove (4) matched with the sealing plate (5), and the sealing plate (5) is slidably connected to the outer side of the connector (1) through the first sliding groove (4).
6. A heating rod heating structure according to claim 5, characterized in that: The bottom end of the sealing plate (5) is fixedly connected with a sealing gasket (6), the sealing gasket (6) covers the bottom end of the sealing plate (5), and the position of the bottom end of the sealing gasket (6) is on the same horizontal line as the position of the bottom end of the connector (1).
7. The heating rod heating structure according to claim 1, characterized in that: The inner side of the heating rod body (2) is provided with an insulating layer (7), the thickness of the insulating layer (7) is one centimeter, the inner side of the heating rod body (2) is provided with a heating wire (8), and the heating wire (8) is located on the inner side close to the insulating layer (7).
Citation Information
Patent Citations
Heating structure of heating rod
CN219311767U