Heating pipe shell assembly with safe creepage distance
By introducing structures such as traction grooves, traction rods, and blocking blocks into the heating tube housing assembly, the problem of unstable fixing between the thermostat and the heating tube is solved, achieving higher stability and fit, and extending the service life of the equipment.
Patent Information
- Application Number
- CN202520007076.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-01-03
AI Technical Summary
In the existing heating element, the bolt fixing method between the thermostat and the plastic bracket is prone to loosening during use, which causes the thermostat and heating element to not fit together, affecting the performance of the equipment.
A heating tube housing assembly with a safe creepage distance is adopted. By setting traction grooves, traction rods and blocking blocks on the plastic bracket, and using the cooperation of telescopic springs and plugs, the fixation of the bolts is ensured and loosening is prevented.
This improved the stability of the heating element housing assembly, enhanced the fit between the thermostat and the heating element, extended the service life of the equipment, and reduced the failure rate.
Smart Images
Figure CN223885338U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of heating pipe, specifically a heating pipe shell assembly with safe creeping distance. BACKGROUND
[0002] The heating pipe is a kind of electric appliance element that converts electric energy into heat energy, commonly used for heating liquid and gas. Its basic structure includes installing electric heating wire in metal pipe, and filling the gap with material with good thermal conductivity and insulation. The heating pipe shell assembly needs to have safe creeping distance, which can improve the safety of electric heating pipe, prolong service life and reduce failure rate.
[0003] However, the existing heating pipe with safe creeping distance still has the following problems in use:
[0004] The existing heating pipe is fixed on the metal frame shell during use, the temperature controller is fixed on the plastic support, the plastic support is fixed on the metal frame shell by bolts, and the temperature controller is attached to the heating pipe. The temperature controller is used to sense and control the temperature of the liquid in the heating pipe. Since the temperature controller and the plastic support are fixed by bolts, the bolts are easily affected by the outside world and become loose, which prevents the temperature controller from being attached to the heating pipe, affecting the use of the equipment. Therefore, it is necessary to provide a heating pipe shell assembly with safe creeping distance for the existing heating pipe field. UTILITY MODEL CONTENT
[0005] In order to make up for the shortcomings of the prior art, the existing temperature controller and plastic support are fixed by bolts, which is easy to cause the bolts to be affected by the outside world and become loose, which prevents the temperature controller from being attached to the heating pipe, affecting the use of the equipment. In order to solve the problem, the utility model provides a heating pipe shell assembly with safe creeping distance.
[0006] The utility model discloses a technical scheme that solves its technical problem is adopted: a heating pipe shell assembly with safe creeping distance, including metal frame shell and plastic support, the plastic support is assembled with temperature, the temperature controller is assembled with a plurality of steady, the bolt is assembled with a plurality of steady, the plastic support is provided with a plurality of traction grooves, and the number of each group of traction grooves is two, and the two traction grooves of each group are located at the both sides of steady bolt respectively, the traction groove is all fixedly assembled with traction rod in symmetry, two traction rods are movably assembled with sliding block, the top of sliding block is fixedly assembled with extension block, the extension block is all fixedly assembled with fixed block in symmetry, two fixed blocks are all fixedly assembled with operating rod in symmetry, two operating rods are movably assembled with guide block, the top of guide block is fixedly assembled with resistance block, and one end of one resistance block is provided with slot, and the side of steady bolt is provided with hole, and the hole is communicated with the slot, and one end of another resistance block is fixedly assembled with block, and the block is inserted with the slot of resistance block.
[0007] As preferred, the inside of the block is provided with an inner cavity, and the inner cavity is fixedly assembled with a telescopic spring, one end of the telescopic spring is fixedly assembled with a push block, and the push block is fixedly assembled with a telescopic button, the telescopic button is movably penetrated into the block, and the telescopic button is clamped with the hole.
[0008] As preferred, the plastic support is fixedly assembled with a plurality of limiting blocks, each group of limiting blocks is located between each group of traction grooves, and the number of each group of limiting blocks is two, and the limiting block is provided with a clamping groove.
[0009] As preferred, the guide block is fixedly assembled with a plug rod, the plug rod is located at one side of the fixed block, and one end of the plug rod is inserted with the clamping groove of the limiting block.
[0010] As preferred, the plastic support is fixedly assembled with a plurality of assembling blocks, the assembling block is provided with a mounting hole, the metal frame shell is provided with a clamping hole, the clamping hole is clamped with the plastic support, the metal frame shell is provided with a plurality of screw holes, the screw hole is located at one side of the clamping hole, and the sliding block is overlapped with the mounting hole of the assembling block.
[0011] As preferred, the mounting hole and the screw hole of the assembling block are all screw-assembled with a fastening bolt, the metal frame shell is fixedly assembled with a heating pipe body, and the temperature controller is attached with the heating pipe body.
[0012] The utility model has the advantages that:
[0013] The utility model discloses a plastic support is inserted into the card mouth of metal frame shell, makes the assembly block be located the inside of metal frame shell, and the mounting hole and the screw hole on the assembly block coincide, and the mounting hole and the screw hole on the assembly block assemble fastening bolt, makes between metal frame shell and plastic support fixed, moves the sliding block on the traction rod, makes the sliding block drive extension block and move, until two blocking blocks are located the one side of stable bolt, and two blocking blocks are close to each other, and the blocking block moves on the traction rod through guide block, and the insertion slot on the blocking block and the plug block on the blocking block are inserted, under the elastic force of telescopic spring, makes telescopic button and card hole are inserted, and guide block drives the plug rod and the clamping slot on the limiting block and inserts, and two blocking blocks limit stable bolt and loosen, improve use effect. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description briefly introduce, obviously, below description's drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.
[0015] Figure 1 It is the heating pipe shell assembly structure schematic diagram of the utility model with safe creeping distance;
[0016] Figure 2 It is the heating pipe shell assembly exploded structure schematic diagram of the utility model with safe creeping distance;
[0017] Figure 3 It is the stable mechanism structure schematic diagram of the utility model;
[0018] Figure 4 It is the insertion mechanism cross section structure schematic diagram of the utility model.
[0019] In the drawing:
[0020] 10, metal frame shell;11, heating pipe main body;12, plastic support;13, temperature controller;
[0021] 20, fastening bolt;21, card mouth;22, screw hole;23, assembly block;
[0022] 30, mounting hole;31, traction groove;32, traction rod;33, sliding block;
[0023] 40, extension block;41, fixed block;42, operating rod;43, guide block;
[0024] 50, blocking block;51, stable bolt;52, limiting block;53, clamping slot;
[0025] 60, insertion rod; 61, insertion slot; 62, insertion block; 63, inner cavity;
[0026] 70, telescopic spring; 71, push block; 72, telescopic button; 73, clamping hole. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Figure 1 The present application is further described in detail as follows,
[0029] The embodiments of the present application disclose a heating tube shell assembly with a safe creepage distance. Referring to Figure 3 and Figure 4The utility model provides a heating pipe shell assembly with safe creeping distance, including metal frame shell 10 and plastic support 12, is equipped with temperature controller 13 on plastic support 12, and a plurality of firm bolt 51 are equipped with on temperature controller 13 and plastic support 12, a plurality of groups of traction groove 31 are arranged on plastic support 12, the number of each group of traction groove 31 is two, and two traction grooves 31 of each group are located at the both sides of firm bolt 51 respectively, traction rod 32 is fixedly equipped on both sides of traction groove 31 symmetrically, two traction rods 32 are movably equipped with sliding block 33, the top of sliding block 33 is fixedly equipped with extension block 40, extension block 40 is fixedly equipped with fixed block 41 symmetrically, operating rod 42 is fixedly equipped between two fixed blocks 41 symmetrically, two operating rods 42 are movably equipped with guide block 43, the top of guide block 43 is fixedly equipped with blocking block 50, one end of one blocking block 50 is provided with slot 61, the side of firm bolt 51 is provided with the clamping hole 73 in communication with slot 61, one end of the other blocking block 50 is fixedly equipped with the plug block 62 of the slot 61 of blocking block 50, the inner chamber 63 of plug block 62 is fixedly equipped with retractable spring 70, one end of retractable spring 70 is fixedly equipped with push block 71, push block 71 is fixedly equipped with retractable button 72, retractable button 72 movably penetrates plug block 62, and retractable button 72 is clamped with clamping hole 73, a plurality of groups of limiting block 52 are fixedly equipped on plastic support 12, each group of limiting block 52 is located between each group of traction groove 31, and the number of each group of limiting block 52 is two, clamping groove 53 is arranged on limiting block 52, plug rod 60 is fixedly equipped on guide block 43, plug rod 60 is located at the side of fixed block 41, and the one end of plug rod 60 corresponds with the clamping groove 53 on limiting block 52 and is inserted, temperature controller 13 is installed on plastic support 12 through firm bolt 51, sliding block 33 is moved on traction rod 32, sliding block 33 drives extension block 40 to move until two blocking blocks 50 are located at the side of firm bolt 51, two blocking blocks 50 are close to each other, blocking block 50 moves on traction rod 32 through guide block 43, slot 61 on blocking block 50 is inserted with plug block 62 on blocking block 50, under the elastic force of retractable spring 70, retractable button 72 is inserted with clamping hole 73, and guide block 43 drives plug rod 60 to be inserted with clamping groove 53 on limiting block 52 simultaneously, two blocking blocks 50 limit firm bolt 51 from loosening, and the use effect is improved.
[0030] Refer to Figure 1 - Figure 3The metal frame shell 10 is fixedly assembled with a plurality of assembly blocks 23, the assembly blocks 23 are all provided with mounting holes 30, the metal frame shell 10 is provided with a clamping opening 21, the plastic support 12 is clamped on the clamping opening 21, the metal frame shell 10 is provided with a plurality of screw holes 22, the screw holes 22 are located on one side of the clamping opening 21, and the sliding block 33 is coincided with the mounting hole 30 on the assembly block 23, the mounting hole 30 on the assembly block 23 and the screw hole 22 are all screw-assembled with a fastening bolt 20, and the metal frame shell 10 is fixedly assembled with the heating pipe body 11 which is attached to the surface of the heating pipe body 11, the plastic support 12 is clamped into the clamping opening 21 of the metal frame shell 10, so that the assembly block 23 is located on the inner side of the metal frame shell 10, the mounting hole 30 on the assembly block 23 is coincided with the screw hole 22, and the fastening bolt 20 is assembled on the mounting hole 30 on the assembly block 23 and the screw hole 22, so that the metal frame shell 10 and the plastic support 12 are fixed.
[0031] Working principle: the plastic support 12 is clamped into the clamping opening 21 of the metal frame shell 10, so that the assembly block 23 is located on the inner side of the metal frame shell 10, the mounting hole 30 on the assembly block 23 is coincided with the screw hole 22, the fastening bolt 20 is assembled on the mounting hole 30 on the assembly block 23 and the screw hole 22, so that the metal frame shell 10 and the plastic support 12 are fixed, the sliding block 33 is moved on the traction rod 32, so that the sliding block 33 drives the extension block 40 to move, until the two blocking blocks 50 are located on one side of the stable bolt 51, the two blocking blocks 50 are close to each other, the blocking block 50 moves on the traction rod 32 through the guide block 43, the insertion slot 61 on the blocking block 50 is inserted with the insertion block 62 on the blocking block 50, under the elastic force of the extension spring 70, the extension buckle 72 is inserted with the clamping hole 73, and the guide block 43 drives the insertion rod 60 to be inserted with the clamping slot 53 on the limiting block 52, the two blocking blocks 50 limit the stable bolt 51 from loosening, and the use effect is improved.
[0032] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A heating tube shell housing assembly having a safe creepage distance, characterized by: The utility model provides a metal frame shell (10) and plastic support (12) including, plastic support (12) on the assembly has temperature controller (13), temperature controller (13) and plastic support (12) on the threaded assembly has multiple firm bolt (51), plastic support (12) is provided with multiple groups of traction groove (31), the number of each group traction groove (31) is two, and the two traction grooves (31) of each group are located at the both sides of firm bolt (51) respectively, traction groove (31) all is fixedly equipped with traction rod (32) symmetrically, two traction rods (32) are movably equipped with sliding block (33), the top of sliding block (33) is fixedly equipped with extension block (40) all, extension block (40) is fixedly equipped with fixed block (41) symmetrically all, two fixed blocks (41) are fixedly equipped with operating rod (42) symmetrically between, two operating rods (42) are movably equipped with guide block (43), the top of guide block (43) is fixedly equipped with blocking block (50) all, one end of one blocking block (50) is provided with slot (61), the side of firm bolt (51) is provided with card hole (73), card hole (73) is communicated with slot (61), and one end of another blocking block (50) is fixedly equipped with plug-in block (62), and plug-in block (62) is inserted with the slot (61) of blocking block (50) correspondingly.
2. A heating tube housing assembly having a safe creepage distance according to claim 1, characterized in that: The inside of the plug-in block (62) is provided with an inner cavity (63), and the inner cavity (63) is fixedly equipped with a telescopic spring (70), one end of the telescopic spring (70) is fixedly equipped with a push block (71), and the push block (71) is fixedly equipped with a telescopic button (72), the telescopic button (72) is movably inserted into the plug-in block (62), and the telescopic button (72) is clamped with the card hole (73).
3. A heating tube housing assembly having a safe creepage distance according to claim 2, characterized in that: The plastic support (12) is fixedly equipped with a plurality of limiting blocks (52), each group of limiting blocks (52) is located between each group of traction grooves (31), and the number of each group of limiting blocks (52) is two. The limiting block (52) is provided with a clamping groove (53).
4. The heating tube housing assembly with a safe creepage distance according to claim 3, characterized in that: The guide block (43) is fixedly equipped with an insertion rod (60), and the insertion rod (60) is located on one side of the fixed block (41). One end of the insertion rod (60) is inserted into the clamping groove (53) of the limiting block (52).
5. The heating tube housing assembly having a safe creepage distance according to claim 1, characterized in that: The plastic support (12) is fixedly equipped with a plurality of assembly blocks (23), and the assembly block (23) is provided with a mounting hole (30). The metal frame shell (10) is provided with a clamping hole (21), and the plastic support (12) is clamped on the clamping hole (21). The metal frame shell (10) is provided with a plurality of screw holes (22), and the screw holes (22) are located on one side of the clamping hole (21). The sliding block (33) is coincided with the mounting hole (30) on the assembly block (23).
6. A heating tube housing assembly having a safe creepage distance according to claim 5, characterized in that: The mounting hole (30) on the assembly block (23) and the screw hole (22) are both screwed with a fastening bolt (20), and the metal frame shell (10) is fixedly equipped with a heating pipe body (11). The temperature controller (13) is attached to the heating pipe body (11).