Heating pipe of defrosting evaporator

Abstract

The utility model relates to the technical field of defrosting evaporators, and discloses a heating pipe of a defrosting evaporator, which solves the problem that the heating pipe is inconvenient to disassemble and assemble independently at present, and comprises a mounting plate, a heating pipe is arranged on the mounting plate, and a waterproof mechanism is arranged on the outer side of the heating pipe. The two ends of the heating pipe are fixedly sleeved with a first sealing sleeve and a second sealing sleeve respectively, leads are arranged on the outer sides of the first sealing sleeve and the second sealing sleeve, wires are arranged at the ends, away from each other, of the two leads, a fixing mechanism is installed on the installation plate, the fixing mechanism comprises a transverse rod located below the heating pipe, and the outer side of the transverse rod is fixedly sleeved with a sleeve plate; according to the utility model, the movable frame is convenient to move horizontally through the matching between the movable frame and the sleeve plate and the matching between the cross rod and the spring I, and the heating pipe can be mounted on the supporting pad through the matching between the inserting rod and the inserting hole and the matching between the inserting block and the inserting groove, otherwise, the heating pipe can be detached, so that the heating pipe can be independently detached and mounted conveniently.

Description

Technical Field

[0001] The utility model belongs to the technical field of defrosting evaporators, in particular to a defrosting evaporator heating tube. Background Art

[0002] When the evaporator of a commercial refrigerator or cold storage is working in refrigeration, a layer of frost will condense on the surface of the evaporator. If the frost is thick, it will affect the evaporation heat absorption, which requires defrosting. For commercial refrigerators or cold storage evaporators with large refrigeration capacity, electric heating tubes are mostly used for defrosting.

[0003] During actual use, the assembler installs the defrost heater and the evaporator on a fixed plate as a whole. When the defrost heater fails and cannot work normally, the defrost heater needs to be replaced or the defrost heater, evaporator and fixed plate need to be replaced as a whole. Therefore, the integrated fixing method is not convenient for users to perform replacement operations. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a defrost evaporator heating tube, which effectively solves the problem that it is inconvenient to disassemble and assemble the heating tube separately.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a defrost evaporator heating tube, comprising a mounting plate, a heating tube is arranged on the mounting plate, a waterproof mechanism is arranged on the outer side of the heating tube, a sealing sleeve 1 and a sealing sleeve 2 are respectively fixedly sleeved at both ends of the heating tube, a lead wire is arranged on the outer side of the sealing sleeve 1 and the sealing sleeve 2, a wire is arranged at one end of the two leads away from each other, and a fixing mechanism is installed on the mounting plate;

[0006] The fixing mechanism includes a cross bar located below the heating tube, a sleeve plate is fixedly sleeved on the outer side of the cross bar, the sleeve plate is fixedly connected to the mounting plate, a support pad is fixedly installed on the top of the sleeve plate, the heating tube is located on the support pad, a side block is fixedly installed on one end of the cross bar, a sealing sleeve 1 is fitted with the side block, a movable frame is movably sleeved on the outer side of the cross bar, the movable frame is located on the side of the sleeve plate away from the side block, a spring 1 is fixedly connected between the movable frame and the sleeve plate, a spring set is arranged on the outer side of the cross bar, an insertion rod is fixedly installed on the top of the movable frame, a socket is arranged on the outer side of the sealing sleeve 2, and the end of the insertion rod away from the movable frame is inserted into the socket.

[0007] Preferably, an insert block is fixedly mounted on the outer side of the sealing sleeve 1, and a slot is provided on the side block, and the insert block is inserted into the slot.

[0008] Preferably, a limiting groove is provided on the outer side of the movable frame, a limiting block is slidably connected in the limiting groove, and the limiting block is fixed to the outer side of the cross bar.

[0009] Preferably, the waterproof mechanism includes a water shielding plate located directly above the heating tube, top surfaces of the sealing sleeve one and the sealing sleeve two are fixedly mounted with top blocks, the water shielding plate is located on the tops of the two top blocks, the tops of the two top blocks are provided with positioning grooves, and the bottom of the water shielding plate is symmetrically fixedly mounted with two positioning blocks, and the two positioning blocks are respectively inserted into the two positioning grooves.

[0010] Preferably, two sliding grooves are symmetrically provided at the bottom of the water shielding plate, sliding rods are fixedly installed in the two sliding grooves, and sliders are movably sleeved on the outer sides of the two sliding rods. The two sliders are fixedly connected with springs 2 on the sides close to each other, and the ends of the two springs 2 that are close to each other are respectively fixedly connected to the inner walls of the two sliding grooves. The two springs 2 are respectively sleeved on the outer sides of the two sliding rods, and U-shaped pull rods are fixedly installed on the sides of the two sliders that are away from each other. The two U-shaped pull rods pass through the water shielding plate and are movably connected to the water shielding plate, and positioning rods are fixedly installed on the bottoms of the two sliders.

[0011] Preferably, positioning holes are provided on the sides of the two top blocks that are away from each other, and the ends of the two positioning rods that are close to each other are respectively inserted into the two positioning holes.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model facilitates the horizontal movement of the movable frame through the cooperation between the movable frame and the sleeve plate, and the cross bar and the spring, and the heating tube can be installed on the support pad through the cooperation between the plug rod and the plug hole, and the plug block and the slot, and vice versa, the heating tube can be disassembled, so that the heating tube can be disassembled and assembled separately;

[0014] (2) The new device facilitates the placement of the water shield plate on the top of the two top blocks through the cooperation between the positioning block and the positioning groove, and facilitates the insertion of one end of the positioning rod into the positioning hole through the cooperation between the sliding rod, the sliding block and the spring 2, thereby fixing the water shield plate to the top block, thereby facilitating the fixing of the water shield plate above the heating tube, and then guiding the water droplets to drip outward, thereby preventing the outer surface of the heating tube from secondary frost and freezing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 This is a schematic diagram of the structure of the heating tube of the defrosting evaporator of the utility model;

[0018] Figure 2 This is a schematic diagram of the fixing mechanism structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the disassembled structure of the sleeve plate and the heating tube of the utility model;

[0020] Figure 4 This is a schematic diagram of the waterproof mechanism structure of the utility model;

[0021] Figure 5 This is a schematic diagram of the disassembled structure of the water shielding plate and the top block of the utility model;

[0022] Figure 6 For this utility model Figure 4 Enlarged structural diagram at A in the middle.

[0023] In the figure: 1. mounting plate; 2. fixing mechanism; 201. cross bar; 202. sleeve plate; 203. movable frame; 204. spring one; 205. limiting groove; 206. limiting block; 207. plug-in rod; 208. plug-in hole; 209. support pad; 2010. plug-in block; 2011. slot; 2012. side block; 3. waterproof mechanism; 301. water shielding plate; 302. top block; 303. slide groove; 304. positioning block; 305. positioning hole; 306. positioning groove; 307. positioning rod; 308. spring two; 309. slider; 3010. slide rod; 3011. U-shaped pull rod; 4. heating tube; 5. sealing sleeve one; 6. sealing sleeve two; 7. wire; 8. lead wire. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0025] Embodiment 1, by Figure 1 The utility model includes a mounting plate 1, a heating tube 4 is arranged on the mounting plate 1, a waterproof mechanism 3 is arranged on the outer side of the heating tube 4, a sealing sleeve 1 5 and a sealing sleeve 2 6 are respectively fixedly sleeved at both ends of the heating tube 4, a lead wire 8 is arranged on the outer side of the sealing sleeve 1 5 and the sealing sleeve 2 6, and a conductor 7 is arranged at one end of the two leads 8 which are far away from each other, and a fixing mechanism 2 is installed on the mounting plate 1;

[0026] When in use, a heating wire is provided inside the heating tube 4, and the ends of the two lead wires 8 close to each other extend into the heating tube 4 and are respectively connected to the two ends of the heating wire. When the two wires 7 are connected to an external power supply, the heating wires work at the same time to radiate heat outward to remove frost on the surface of the evaporator.

[0027] Specifically, by Figure 2-3The fixing mechanism 2 includes a cross bar 201 located below the heating tube 4, a sleeve 202 is fixedly sleeved on the outer side of the cross bar 201, the sleeve 202 is fixedly connected to the mounting plate 1, a support pad 209 is fixedly installed on the top of the sleeve 202, the heating tube 4 is located on the support pad 209, a side block 2012 is fixedly installed on one end of the cross bar 201, a sealing sleeve 5 is fitted with the side block 2012, a movable frame 203 is movably sleeved on the outer side of the cross bar 201, the movable frame 203 is located on the side of the sleeve 202 away from the side block 2012, and the movable frame 203 is fixedly connected to the sleeve 202. Spring 1 204, spring 1 204 is sleeved on the outside of the cross bar 201, a plug rod 207 is fixedly installed on the top of the movable frame 203, a plug hole 208 is provided on the outside of the sealing sleeve 2 6, and the end of the plug rod 207 away from the movable frame 203 is inserted into the plug hole 208, an insert block 2010 is fixedly installed on the outside of the sealing sleeve 1 5, a slot 2011 is provided on the side block 2012, and the insert block 2010 is inserted into the slot 2011, and a limit groove 205 is provided on the outside of the movable frame 203, and a limit block 206 is slidably connected in the limit groove 205, and the limit block 206 is fixed to the outside of the cross bar 201;

[0028] When in use, first slide the movable frame 203 along the cross bar 201 and away from the sleeve plate 202. At this time, the spring 1 204 is stretched. Since the limit block 206 is slidably connected with the limit groove 205, the movable frame 203 is prevented from rotating during the sliding process, and the movable frame 203 is prevented from detaching from the outer side of the cross bar 201. Then the heating tube 4 is placed on the support pad 209 and pushed until the sealing sleeve 15 is fitted with the side block 2012 and the plug block 2010 is inserted into the slot 2011. Then the control of the movable frame 203 is released. At this time, the spring 1 204 is reset to drive the movable frame 203 to slide and approach the sleeve plate 202 until the end of the plug rod 207 away from the movable frame 203 is inserted into the socket 208, completing the installation and fixation of the heating tube 4. When the end of the plug rod 207 away from the movable frame 203 is detached from the socket 208, the fixation of the heating tube 4 is released, which is convenient for the disassembly of the heating tube 4, and finally the separate disassembly and assembly of the heating tube 4 is realized.

[0029] Specifically, by Figure 4-6It is given that the waterproof mechanism 3 includes a water shielding plate 301 located just above the heating tube 4, and the top surfaces of the sealing sleeve 1 5 and the sealing sleeve 2 6 are fixedly installed with a top block 302, the water shielding plate 301 is located on the top of the two top blocks 302, and the tops of the two top blocks 302 are provided with positioning grooves 306, and the bottom of the water shielding plate 301 is symmetrically fixedly installed with two positioning blocks 304, and the two positioning blocks 304 are respectively inserted into the two positioning grooves 306, and the bottom of the water shielding plate 301 is symmetrically provided with two slide grooves 303, and the two slide grooves 303 are fixedly installed with sliding rods 3010, and the outer sides of the two sliding rods 3010 are movably sleeved with sliders 309, and the two sliders 309 are mutually The two sides close to each other are fixedly connected with spring 2 308, and the ends of the two spring 2 308 close to each other are fixedly connected with the inner walls of the two slide grooves 303 respectively. The two spring 2 308 are respectively sleeved on the outer sides of the two slide bars 3010, and the two sliders 309 are fixedly installed with U-shaped pull rods 3011 on the sides away from each other. The two U-shaped pull rods 3011 pass through the water shielding plate 301 and are movably connected to the water shielding plate 301. The bottoms of the two sliders 309 are fixedly installed with positioning rods 307, and the sides of the two top blocks 302 away from each other are provided with positioning holes 305, and the ends of the two positioning rods 307 close to each other are respectively inserted into the two positioning holes 305;

[0030] When in use, first pull the two U-shaped pull rods 3011 to drive the two sliders 309 to slide along the two slide rods 3010 respectively, so that the two positioning rods 307 move away from each other. At this time, the two springs 308 are stretched, and then the water shielding plate 301 is placed on the top of the two top blocks 302, so that the two positioning blocks 304 are respectively inserted into the two positioning grooves 306, and then the control of the two U-shaped pull rods 3011 is released. At this time, the two springs 308 are reset and drive the two sliders 309 to move respectively until one end of the two positioning rods 307 is respectively inserted into the two positioning holes 305, and the water shielding plate 301 is fixed on the top of the two top blocks 302. Finally, the water shielding plate 301 is fixed above the heating tube 4 to guide water droplets to drip outward, thereby preventing the outer surface of the heating tube 4 from secondary frost and freezing.

Claims

1. A defrost evaporator heating tube, comprising a mounting plate (1), characterized in that: The mounting plate (1) is provided with a heating tube (4), the outer side of the heating tube (4) is provided with a waterproof mechanism (3), the two ends of the heating tube (4) are respectively fixedly sleeved with a sealing sleeve 1 (5) and a sealing sleeve 2 (6), the outer sides of the sealing sleeve 1 (5) and the sealing sleeve 2 (6) are both provided with a lead wire (8), and the ends of the two leads (8) that are away from each other are both provided with a conductor wire (7), and the fixing mechanism (2) is installed on the mounting plate (1); The fixing mechanism (2) comprises a cross bar (201) located below the heating tube (4); a sleeve plate (202) is fixedly sleeved on the outer side of the cross bar (201); the sleeve plate (202) is fixedly connected to the mounting plate (1); a support pad (209) is fixedly installed on the top of the sleeve plate (202); the heating tube (4) is located on the support pad (209); a side block (2012) is fixedly installed on one end of the cross bar (201); a sealing sleeve (5) is fitted with the side block (2012); and a sleeve plate (202) is fixedly sleeved on the outer side of the cross bar (201); A movable frame (203) is provided, the movable frame (203) is located on a side of the sleeve plate (202) away from the side block (2012), a spring 1 (204) is fixedly connected between the movable frame (203) and the sleeve plate (202), the spring 1 (204) is sleeved on the outside of the cross bar (201), an insertion rod (207) is fixedly installed on the top of the movable frame (203), an insertion hole (208) is provided on the outside of the sealing sleeve 2 (6), and an end of the insertion rod (207) away from the movable frame (203) is inserted into the insertion hole (208).

2. The defrosting evaporator heating tube according to claim 1, characterized in that: An insert block (2010) is fixedly mounted on the outer side of the sealing sleeve 1 (5), a slot (2011) is provided on the side block (2012), and the insert block (2010) is inserted into the slot (2011).

3. The defrosting evaporator heating tube according to claim 1, characterized in that: A limiting groove (205) is provided on the outer side of the movable frame (203), a limiting block (206) is slidably connected in the limiting groove (205), and the limiting block (206) is fixed on the outer side of the cross bar (201).

4. The defrosting evaporator heating tube according to claim 1, characterized in that: The waterproof mechanism (3) comprises a water shielding plate (301) located directly above the heating tube (4); top surfaces of the sealing sleeve 1 (5) and the sealing sleeve 2 (6) are both fixedly mounted with top blocks (302); the water shielding plate (301) is located on the tops of the two top blocks (302); the tops of the two top blocks (302) are both provided with positioning grooves (306); the bottom of the water shielding plate (301) is symmetrically fixedly mounted with two positioning blocks (304); the two positioning blocks (304) are respectively inserted into the two positioning grooves (306).

5. The defrosting evaporator heating tube according to claim 4, characterized in that: The bottom of the water shielding plate (301) is symmetrically provided with two slide grooves (303), and a slide rod (3010) is fixedly installed in the two slide grooves (303). The outer sides of the two slide rods (3010) are movably sleeved with sliders (309), and the sides of the two sliders (309) close to each other are fixedly connected with springs 2 (308), and the ends of the two springs 2 (308) close to each other are respectively fixedly connected to the inner walls of the two slide grooves (303), and the two springs 2 (308) are respectively sleeved on the outer sides of the two slide rods (3010), and the sides of the two sliders (309) away from each other are fixedly installed with U-shaped pull rods (3011), and the two U-shaped pull rods (3011) pass through the water shielding plate (301) and are movably connected to the water shielding plate (301), and the bottoms of the two sliders (309) are fixedly installed with positioning rods (307).

6. The defrosting evaporator heating tube according to claim 4, characterized in that: Positioning holes (305) are provided on the sides of the two top blocks (302) that are away from each other, and the ends of the two positioning rods (307) that are close to each other are respectively inserted into the two positioning holes (305).

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