CN220649175U - U-shaped tube type heat exchanger - Google Patents

Abstract

The utility model discloses a U-shaped tube type heat exchanger which comprises a body, wherein two flange plates are arranged on the body, a screw is connected inside the flange plates in a sliding mode, a nut is connected to the outer side of the screw through threads, the nut is in contact with the flange plates, a fixing seat is fixedly connected to one flange plate, the fixing seat is in contact with the other flange plate, a connecting strip is in contact with the fixing seat, a limiting mechanism is arranged on the nut, and a protection mechanism is arranged on the body. According to the utility model, through the cooperation of the screw and the nut, the mutual assembly and fixation of the internal parts of the body can be realized, and the nut can be limited through the insertion of the insertion block and the nut, so that the nut can be prevented from rotating, the nut and the screw are prevented from being separated, the combination stability of the body can be improved, and the use is more stable.

Description

U-shaped tube type heat exchanger

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a U-shaped tube type heat exchanger.

Background

The utility model patent with the publication number of CN213687982U discloses a quick-assembled U-shaped tube brine heat exchanger, which comprises a tube box, a tube box flange, a shell flange, a tube plate arranged between the tube box and the shell and a U-shaped tube bundle positioned in the shell and connected with the tube plate, wherein a plurality of fastening blocks are uniformly arranged on the circumference of the tube plate, through holes are formed in the fastening blocks, studs are movably penetrated in the through holes, two ends of each stud respectively penetrate through the tube box flange and the through holes of the shell flange and are connected and fastened through flange nuts, and the studs between the fastening blocks and the tube box are sleeved with tube plate nuts; the pipe plate is easy to fasten when being installed, and is difficult to loosen between the pipe plate and the flange of the shell/the pipe box when the pipe box/the shell is overhauled and disassembled, and in addition, the installation studs can be inserted in one direction, so that the installation is more convenient.

In the above-mentioned patent, U-shaped tube heat exchanger is fixed through the mode of flange, screw rod and nut, but inconvenient to carry out spacingly to the nut, and the nut can take place the rotation by the influence of vibrating force, causes the separation of nut and screw rod, influences the integrated stability to inconvenient protection to the screw rod nut, the screw rod nut appears the condition of rust that wets easily, influences its dismouting and uses. Therefore, improvements are needed.

Disclosure of Invention

The utility model aims to provide a U-shaped tube type heat exchanger, which solves the problem of insufficient stability of the overall structure combination of the heat exchanger and also solves the problem of inconvenience in protecting screw nuts.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a U-shaped tubular heat exchanger, includes the body, be provided with two ring flanges on the body, the inside sliding connection of ring flange has the screw rod, there is the nut outside of screw rod through threaded connection, the nut contacts with the ring flange, one of them fixedly connected with fixing base on the ring flange, the fixing base contacts with another ring flange, the contact has the connecting strip on the fixing base, be provided with stop gear on the nut, be provided with protection machanism on the body.

Preferably, the limit mechanism comprises a slot, an inserting block, a sliding bar, a guide rod and a spring, wherein the slot is formed in the nut, the inserting block is connected to the inside of the slot in a sliding mode, the inserting block is connected with the fixing seat in a sliding mode, the sliding bar is fixedly connected to the inserting block, the sliding bar is connected with the fixing seat in a sliding mode, the guide rod is fixedly connected to the sliding bar, the guide rod is connected with the fixing seat in a sliding mode, and the spring is arranged on the outer side of the guide rod. Through designing stop gear, can carry out spacingly to the nut.

Preferably, one end of the spring is fixedly connected with the sliding strip, and the other end of the spring is fixedly connected with the fixing seat. By designing the spring such that the force of the spring can act on the slide.

Preferably, the protection mechanism comprises a shield, clamping grooves, clamping blocks, protruding blocks and grooves, wherein two symmetrical shields are contacted on the fixing base, two shields are contacted with each other, one of the shields is contacted with the body and the flange plate, the clamping grooves are formed in the shields, the clamping blocks are clamped in the clamping grooves and are made of rubber materials, the clamping blocks are fixedly connected with the shields, and the protruding blocks are fixedly connected with the shields and are clamped with the fixing base. The screw and the nut can be protected by designing the protection mechanism.

Preferably, the shield and the lug are of an integrated structure, and the shield and the lug are made of rubber materials. Through the design lug for the lug receives the extrusion force and can take place deformation.

Preferably, the fixing seat is provided with a groove, and the inside of the groove is clamped with a bump. The shield can be fixed by designing the clamping connection of the groove and the convex block.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the cooperation of the screw and the nut, the mutual assembly and fixation of the internal parts of the body can be realized, and the nut can be limited through the insertion of the insertion block and the nut, so that the nut can be prevented from rotating, the nut and the screw are prevented from being separated, the combination stability of the body can be improved, and the use is more stable.

2. According to the utility model, through the effect of the designed shield, the flange, the screw and the nut can be protected, and the entry of moisture and humidity can be prevented, so that the situation that the screw and the nut cannot be disassembled due to corrosion can be prevented, and meanwhile, the shield is convenient to disassemble, and the maintenance and the use of the internal structure are convenient.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present utility model;

FIG. 3 is a schematic view of the internal structure of FIG. 2 according to the present utility model;

fig. 4 is an enlarged view of fig. 3 at a in accordance with the present utility model.

In the figure: 1. a body; 2. a flange plate; 3. a fixing seat; 4. a screw; 5. a nut; 6. a connecting strip; 7. a limiting mechanism; 8. a protective mechanism; 71. a slot; 72. inserting blocks; 73. a slide bar; 74. a guide rod; 75. a spring; 81. a shield; 82. a clamping groove; 83. a clamping block; 84. a bump; 85. a groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2 and 3, a U-shaped tube heat exchanger includes a body 1, two flanges 2 are provided on the body 1, a screw 4 is slidably connected to the inside of the flange 2, a nut 5 is connected to the outside of the screw 4 through threads, the nut 5 contacts with the flange 2, a fixing seat 3 is fixedly connected to one flange 2, the fixing seat 3 contacts with the other flange 2, a connecting strip 6 is contacted to the fixing seat 3, a limit mechanism 7 is provided on the nut 5, and a protection mechanism 8 is provided on the body 1.

Referring to fig. 1, 2, 3 and 4, the limiting mechanism 7 includes a slot 71, an insert block 72, a sliding bar 73, a guide rod 74 and a spring 75, the slot 71 is provided on the nut 5, the insert block 72 is slidably connected with the interior of the slot 71, the insert block 72 is slidably connected with the fixing base 3, the sliding bar 73 is fixedly connected with the sliding bar 73, the sliding bar 73 is slidably connected with the fixing base 3, the guide rod 74 is slidably connected with the fixing base 3, the spring 75 is provided on the outer side of the guide rod 74, one end of the spring 75 is fixedly connected with the sliding bar 73, the other end of the spring 75 is fixedly connected with the fixing base 3, the force of the spring 75 can act on the sliding bar 73 through designing the limiting mechanism 7, and the nut 5 can be limited through designing the limiting mechanism 7.

Referring to fig. 1 and 2, the protection mechanism 8 includes a shroud 81, a clamping groove 82, a clamping block 83, a protruding block 84, and a groove 85, two symmetrical shrouds 81 are contacted with each other on the fixing base 3, the shrouds 81 are contacted with the body 1 and the flange 2, the clamping groove 82 is formed in one of the shrouds 81, the clamping block 83 is clamped in the clamping groove 82, the clamping block 83 is made of rubber, the clamping block 83 is fixedly connected with the other shroud 81, the protruding block 84 is fixedly connected to the shroud 81, the shroud 81 and the protruding block 84 are of an integral structure, the shroud 81 and the protruding block 84 are made of rubber, the protruding block 84 can deform due to extrusion force through designing the protruding block 84, the groove 85 is formed in the fixing base 3, and the protruding block 84 is clamped with the fixing base 3, and the protruding block 84 is clamped in the groove 85. The shield 81 can be fixed by the engagement of the design groove 85 and the projection 84, and the screw 4 and the nut 5 can be protected by the design of the protection mechanism 8.

The specific implementation process of the utility model is as follows: during the use, through the cooperation of screw rod 4 and nut 5, can realize the mutual equipment between the inside part of body 1 fixed, through the grafting of inserted block 72 and nut 5, can carry out spacingly to nut 5, thereby can prevent that nut 5 from taking place the rotation, prevent the separation of nut 5 and screw rod 4, thereby can improve the stability of combination of body 1, it is more stable to use, when need operate nut 5, earlier to keeping away from fixing base 3's direction pulling connecting strip 6, connecting strip 6 drives guide arm 74 and removes, guide arm 74 drives draw runner 73 and removes, draw runner 73 can squeeze spring 75, draw runner 73 drives inserted block 72 horizontal migration simultaneously, can make inserted block 72 and nut 5 separate, convenient operation. Through the effect of guard shield 81, can play a guard action to ring flange 2, screw rod 4 and nut 5, can prevent the entering of moisture to can prevent that screw rod 4 nut 5 from taking place the corrosion and causing the condition of unable dismantlement. When needs dismantle shroud 81, directly stimulate shroud 81, shroud 81 drives lug 84 and removes for lug 84 receives the extrusion deformation, can follow recess 85 and slide out, can separate shroud 81 and fixing base 3, then stimulate two shrouds 81 respectively, and shroud 81 can separate with fixture block 83, can dismantle shroud 81, makes shroud 81 dismantle also comparatively convenient, is convenient for carry out inner structure's maintenance and use.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A U-tube heat exchanger comprising a body (1), characterized in that: be provided with two ring flanges (2) on body (1), the inside sliding connection of ring flange (2) has screw rod (4), there is nut (5) in the outside of screw rod (4) through threaded connection, nut (5) and ring flange (2) contact, one of them fixedly connected with fixing base (3) on ring flange (2), fixing base (3) and another ring flange (2) contact, the contact has connecting strip (6) on fixing base (3), be provided with stop gear (7) on nut (5), be provided with protection machanism (8) on body (1).

2. A U-tube heat exchanger according to claim 1, wherein: stop gear (7) are including slot (71), inserted block (72), draw runner (73), guide arm (74), spring (75), slot (71) have been seted up on nut (5), the inside sliding connection of slot (71) has inserted block (72), inserted block (72) and fixing base (3) sliding connection, fixedly connected with draw runner (73) on inserted block (72), draw runner (73) and fixing base (3) sliding connection, fixedly connected with guide arm (74) on draw runner (73), guide arm (74) and fixing base (3) sliding connection, the outside of guide arm (74) is provided with spring (75).

3. A U-tube heat exchanger according to claim 2, wherein: one end of the spring (75) is fixedly connected with the sliding strip (73), and the other end of the spring (75) is fixedly connected with the fixing seat (3).

4. A U-tube heat exchanger according to claim 1, wherein: protection machanism (8) are including guard shield (81), draw-in groove (82), fixture block (83), lug (84), recess (85), the contact has two symmetrical guard shields (81) on fixing base (3), two contact each other between guard shield (81), guard shield (81) and body (1) and ring flange (2) contact, one of them draw-in groove (82) have been seted up on guard shield (81), the inside joint of draw-in groove (82) has fixture block (83), fixture block (83) are the rubber material, fixture block (83) and another guard shield (81) fixed connection, fixedly connected with lug (84) on guard shield (81), lug (84) and fixing base (3) joint.

5. A U-tube heat exchanger according to claim 4 wherein: the shield (81) and the lug (84) are of an integrated structure, and the shield (81) and the lug (84) are made of rubber.

6. A U-tube heat exchanger according to claim 1, wherein: the fixing seat (3) is provided with a groove (85), and a lug (84) is clamped in the groove (85).