Heat exchange tube for large evaporator

Abstract

The utility model relates to a heat exchange tube for a large evaporator. The heat exchange tube is provided with a tube body and a connecting tube which are oppositely arranged, inserting grooves are formed in the two sides of the connecting pipe, a fixing device is arranged between the inner wall of the pipe body and the inner walls of the inserting grooves and comprises a rotating groove, a driving bent plate, a sealing pressing pad and a driving assembly, the driving bent plate comprises an arc-shaped rod part, a first pressed part and a second pressed part, and the first pressed part and the second pressed part are integrally formed with the arc-shaped rod part; the driving assembly comprises a driving sliding groove, a driving sliding block, a pressure applying part and a reset spring, the extending direction of the driving sliding groove is perpendicular to the axis of the connecting pipe, and the two ends of the reset spring are fixedly connected with the driving sliding block and the bottom of the driving sliding groove correspondingly. After the pipe body is inserted into the inserting groove, the pressure applying part abuts against the first pressure bearing part through cooperation of the driving sliding block and the driving sliding groove and continuous force application of the reset spring, and the second pressure bearing part is driven to abut against the sealing pressing pad. The device is ingenious in structure, convenient and practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchange pipe field, especially large -scale evaporimeter with heat exchange pipe. BACKGROUND

[0002] Seamless stainless steel pipe is a kind of material with multiple excellent characteristics, is widely used in multiple fields.Seamless stainless steel pipe has outstanding corrosion resistance, can keep stability in multiple corrosive media, especially in high temperature environment, this material has high tensile strength and yield strength, simultaneously keeps good toughness, can keep the integrity of structure under extreme conditions, seamless stainless steel pipe has good hot working and cold working performance, is easily processed into various shapes and sizes, satisfies the demand in different fields, in high temperature environment, seamless stainless steel pipe still can keep higher strength and stability, is suitable for working condition under high temperature environment.

[0003] The existing seamless stainless steel pipe in the process of using, according to the demand of scene, needs to splice multiple stainless steel pipes and use, in the prior art, the splicing of stainless steel pipe is generally by welding to splice each stainless steel pipe, but such splicing mode, on the one hand, cannot guarantee the overall sealing, on the other hand, the disassembly after the use of later period is more cumbersome, is very inconvenient. SUMMARY

[0004] The utility model aims at providing large -scale evaporimeter with heat exchange pipe, clever structure can realize the quick installation and connection between each pipe body, convenient and practical.

[0005] The utility model discloses a technical scheme for realizing the purpose is: the utility model has the pipe body that is relatively still set up, and be used for connecting the connecting pipe of each pipe body, the both sides of connecting pipe are equipped with the slot that can supply the pipe body and insert, each slot is coaxial with connecting pipe and sets up, and the inner wall of pipe body and the inner wall of slot are equipped with the fixing device that can be fixedly connected with connecting pipe after the pipe body inserts connecting pipe, the fixing device includes the rotation groove that sets up on the inner wall of pipe body, the drive curved board that rotates and is connected in rotation groove, the sealing pressure pad that sets up on the inner wall of slot, and the drive assembly that can drive drive curved board, the drive curved board includes the arc rod portion that rotates and sets up in rotation groove, and the first pressure receiving portion and the second pressure receiving portion that are symmetrically set up at the both ends of arc rod portion, and the first pressure receiving portion and the second pressure receiving portion are integrally formed with arc rod portion, the drive assembly includes the drive sliding slot that sets up on the inner wall of slot, the drive sliding block that slides and sets up on drive sliding slot, the pressure exerting portion that sets up on drive sliding block and can pressurize pressure receiving portion, and the reset spring that sets up in drive sliding slot, the extension direction of drive sliding slot is perpendicular with the axis of connecting pipe, and the both ends of reset spring are fixedly connected with drive sliding block and the bottom of drive sliding slot, the pressure exerting portion is pressed on the first pressure receiving portion through the cooperation of drive sliding block and drive sliding slot and the continuous force of reset spring after the pipe body inserts slot, and the second pressure receiving portion is pressed on the sealing pressure pad, and drives the second pressure receiving portion.

[0006] Further, the cross section of the first pressure receiving portion and the second pressure receiving portion is circular arc shape.

[0007] Further, the both sides of the drive sliding block are equipped with the limit sliding block, the both sides of the drive sliding slot are equipped with the limit sliding slot matched with each limit sliding block, and the drive sliding block is connected on the drive sliding slot through the cooperation of the limit sliding block and the limit sliding slot.

[0008] Further, a rotation shaft is fixedly arranged in the rotation groove, the extension direction of the rotation shaft is perpendicular with the axis of the connecting pipe, an arc hole matched with the rotation shaft is arranged on the arc rod portion, and the drive curved board is rotatably connected in the rotation groove through the cooperation of the rotation shaft and the arc hole.

[0009] Further, an external thread portion is arranged on each pipe body, the external thread portions on each pipe body are oppositely arranged, an internal thread portion matched with each external thread portion is arranged on the outer wall of each slot, and each pipe body is inserted into the slot through the thread cooperation of each external thread portion and the internal thread portion.

[0010] Further, a sealing bottom pad is arranged in the slot, the sealing bottom pad is arranged on the bottom of the slot and coaxially arranged with the slot, and each pipe body is pressed on the sealing pad after being inserted into the slot.

[0011] The utility model discloses have positive effect: (1) the utility model discloses through setting fixed device between the inner wall of pipe body and the inner wall of slot, the pressure part is pressed on the first pressure receiving part through the cooperation of driving sliding block and driving sliding slot and the continuous force of reset spring after pipe body inserts the slot, and second pressure receiving part is pressed on sealing pressure pad, thereby guaranteeing that the connecting pipe and each pipe body are closely and firmly connected, through the cooperation of second pressure receiving part and sealing pressure pad, on one hand can guarantee the stable connection of each pipe body and connecting pipe, on the other hand, through the cooperation of second pressure receiving part and sealing pressure pad, the tightness of each pipe body and connecting pipe after connection can also be guaranteed, clever structure, efficient and convenient.

[0012] (2) the utility model discloses through setting first pressure receiving part and second pressure receiving part into arc, guarantee that the pressure part and first pressure receiving part are smoothly and stably pressed, on the other hand, through the cooperation of second pressure receiving part and sealing pressure pad, guarantee the sealing and firmness of the connection between pipe body and connecting pipe.

[0013] (3) the utility model discloses through setting limit sliding block on the both sides of driving sliding block, setting limit sliding slot on the both sides of driving sliding slot, and driving sliding block is stably connected in driving sliding slot through the cooperation of limit sliding block and limit sliding slot, and then guarantee that the pressure part on driving sliding block is stably and accurately pressed on first pressure receiving part, convenient and practical.

[0014] (4) the utility model discloses setting pivot in rotating slot, setting rotating hole on arc rod part, and driving curved plate is smoothly rotated through the cooperation of pivot and rotating hole, efficient and convenient.

[0015] (5) the utility model discloses setting external thread part on each pipe body, setting internal thread part on the outer wall of slot of connecting pipe, and each pipe body is effectively guaranteed to be loaded into connecting pipe on both sides synchronously through the thread cooperation of each external thread part and internal thread part, and the firmness of pipe body and each connecting pipe connection is guaranteed after second pressure receiving part and sealing pressure pad are pressed.

[0016] (6) the utility model discloses setting sealing bottom pad in slot, and through the pressing of pipe body and sealing bottom pad, on one hand can guarantee the location of pipe body, and on the other hand, the sealing property between pipe body and connecting pipe can also be guaranteed, efficient and convenient. ACCURACY

[0017] In order to make the content of the utility model more easily be clearly understood, the utility model is further explained in detail below according to specific embodiment and combining with the drawings, wherein

[0018] Figure 1 It is the sectional view of the overall structure of heat exchange pipe for large evaporator in the utility model;

[0019] Figure 2 It is the sectional view of the overall structure of the connecting pipe in the utility model;

[0020] Figure 3 It is Figure 2 The enlarged view of A in the middle;

[0021] Figure 4 It is the sectional view of the overall structure of the pipe body in the utility model;

[0022] Figure 5 It is the schematic diagram of the overall structure of the driving curved plate in the utility model. DETAILED DESCRIPTION

[0023] See Figures 1 to 5 The utility model has relatively still set up pipe body 1 and be used for connecting each pipe body 1's connecting pipe 2, both sides of connecting pipe 2 are equipped with the insertion slot 21 that can supply pipe body 1 inserts, each insertion slot 21 is coaxial with connecting pipe 2 and is arranged, the inner wall of pipe body 1 and the inner wall of insertion slot 21 are equipped with the fixing device 3 that can be fixedly connected with connecting pipe 2 after pipe body 1 inserts connecting pipe 2, the fixing device 3 includes the rotation groove 31 that sets up on the inner wall of pipe body 1, the driving curved plate 32 that rotates and connects in rotation groove 31, the sealing pressure pad 33 that sets up on the inner wall of insertion slot 21, and the driving assembly 4 that can drive driving curved plate 32, the driving curved plate 32 includes the arc-shaped rod portion 321 that rotates and sets up in rotation groove 31, and the first pressure receiving portion 322 and the second pressure receiving portion 323 that are symmetrically arranged at the both ends of arc-shaped rod portion 321, the first pressure receiving portion 322 and the second pressure receiving portion 323 are integrally formed with arc-shaped rod portion 321, the driving assembly 4 includes the driving sliding slot 41 that sets up on the inner wall of insertion slot 21, the driving sliding block 42 that slides and sets up on driving sliding slot 41, the pressure exerting portion 44 that sets up on driving sliding block 42 and can press the pressure receiving portion, and the reset spring 43 that sets up in driving sliding slot 41, the extension direction of driving sliding slot 41 is perpendicular to the axis of connecting pipe 2, the both ends of reset spring 43 are fixedly connected with driving sliding block 42 and the bottom of driving sliding slot 41 respectively, the pressure exerting portion 44 is pressed on the first pressure receiving portion 322 after pipe body 1 inserts insertion slot 21 by the cooperation of driving sliding block 42 and driving sliding slot 41 and the continuous force of reset spring 43, and the second pressure receiving portion 323 is pressed on sealing pressure pad 33 and drives.

[0024] The cross section of the first pressure receiving portion 322 and the second pressure receiving portion 323 is arc-shaped.

[0025] Both sides of the driving sliding block 42 are equipped with the limit sliding block 45, both sides of the driving sliding slot 41 are equipped with the limit sliding slot 46 that is adapted to each limit sliding block 45, the driving sliding block 42 is connected on driving sliding slot 41 by the cooperation of limit sliding block 45 and limit sliding slot 46.

[0026] The rotating shaft 311 is fixedly arranged in the rotating groove 31, and the extending direction of the rotating shaft 311 is perpendicular to the axis of the connecting pipe 2.

[0027] Each pipe body 1 is provided with an external thread part 11, and each external thread part 11 of each pipe body 1 is oppositely arranged.

[0028] The sealing bottom pad 23 is arranged in the insertion groove 21, and the sealing bottom pad 23 is coaxially arranged on the bottom of the insertion groove 21.

[0029] The working principle of the utility model is as follows: during use, each pipe body 1 is connected with the connecting pipe 2 through the cooperation of the external thread part 11 and the internal thread part 22 in the insertion groove 21, and the pipe body 1 is limited and sealed by the sealing bottom pad 23 in the insertion groove 21.

[0030] The above embodiments are used to further illustrate the purpose, technical scheme and beneficial effects of the utility model, and it should be understood that the above embodiments are only specific embodiments of the utility model, and are not used to limit the utility model. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A heat exchange tube for large evaporators, comprising a plurality of tube bodies arranged oppositely, and connecting tubes for connecting the tube bodies; characterized in that: Both sides of the connecting pipe are provided with insertion slots for inserting the pipe body, each insertion slot is coaxially arranged with the connecting pipe, the inner wall of the pipe body and the inner wall of the insertion slot are provided with a fixing device which can be fixedly connected with the connecting pipe after the pipe body is inserted into the connecting pipe, the fixing device comprises a rotating slot arranged on the inner wall of the pipe body, a driving curved plate rotatably connected in the rotating slot, a sealing pressure pad sleeved on the inner wall of the insertion slot, and a driving assembly which can drive the driving curved plate, the driving curved plate comprises an arc-shaped rod portion rotatably arranged in the rotating slot, and a first pressure receiving portion and a second pressure receiving portion symmetrically arranged at both ends of the arc-shaped rod portion, the first pressure receiving portion and the second pressure receiving portion are integrally formed with the arc-shaped rod portion, the driving assembly comprises a driving sliding slot arranged on the inner wall of the insertion slot, a driving sliding block slidingly arranged on the driving sliding slot, a pressure applying portion arranged on the driving sliding block and capable of applying pressure to the pressure receiving portion, and a reset spring arranged in the driving sliding slot, the extension direction of the driving sliding slot is perpendicular to the axis of the connecting pipe, the two ends of the reset spring are fixedly connected with the driving sliding block and the bottom of the driving sliding slot respectively, the pressure applying portion is pressed on the first pressure receiving portion through the cooperation of the driving sliding block and the driving sliding slot and the continuous force of the reset spring after the pipe body is inserted into the insertion slot, and the second pressure receiving portion is pressed on the sealing pressure pad.

2. The heat exchange tube for large evaporators according to claim 1, characterized by: The cross sections of the first pressure receiving portion and the second pressure receiving portion are circular arcs.

3. The heat exchange tube for large evaporators according to claim 2, characterized in that: Both sides of the driving sliding block are provided with limiting sliding blocks, both sides of the driving sliding slot are provided with limiting sliding slots matched with the limiting sliding blocks, and the driving sliding block is connected to the driving sliding slot in a lifting manner through the cooperation of the limiting sliding blocks and the limiting sliding slots.

4. The heat exchange tube for large evaporators according to claim 3, characterized in that: A rotating shaft is fixedly arranged in the rotating slot, the extension direction of the rotating shaft is perpendicular to the axis of the connecting pipe, and an arc-shaped hole matched with the rotating shaft is arranged on the arc-shaped rod portion, and the driving curved plate is rotatably connected in the rotating slot through the cooperation of the rotating shaft and the arc-shaped hole.

5. The heat exchange tube for large evaporators according to claim 4, characterized in that: Each pipe body is provided with an external thread portion, each external thread portion of each pipe body is oppositely arranged, each insertion slot is provided with an internal thread portion matched with each external thread portion, and each pipe body is inserted into the insertion slot through the thread cooperation of each external thread portion and the internal thread portion.

6. The heat exchange tube for large evaporators according to claim 5, characterized in that: A sealing bottom pad is arranged in the insertion slot, the sealing bottom pad is arranged on the bottom of the insertion slot and coaxially arranged with the insertion slot, and each pipe body is pressed on the sealing pad after being inserted into the insertion slot.

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