Detachable plate heat exchanger

Abstract

The utility model belongs to the technical field of plate heat exchangers, and particularly relates to a detachable plate heat exchanger which comprises a heat exchanger body, two symmetrically-distributed steel angles are installed at the bottom of the heat exchanger body through bolts, a positioning block is welded to the bottom of each steel angle, and the outer sides of the two positioning blocks are jointly connected with a base in a sliding mode. The base makes contact with the angle steel, and a first two-way screw is installed in the base through a bearing. The angle steel with the positioning block is arranged at the bottom of the heat exchanger body, the positioning block can be inserted into the base after the heat exchanger body is placed on the base, in addition, the moving block which is driven by the two-way screw to move transversely is arranged in the base, the locking block is arranged on the moving block, and the locking block can be transversely inserted into the positioning block. In this way, separation and reunion of the locking block and the positioning block can be controlled only by rotating the two-way screw rod, then disassembly and assembly of the heat exchanger body are completed, operation is easy and convenient, and later overhaul is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of plate heat exchangers, in particular to a detachable plate heat exchanger. Background Art

[0002] A plate heat exchanger is a high-efficiency heat exchanger formed by stacking a series of metal sheets with a certain corrugated shape. Thin rectangular channels are formed between various plates, and heat is exchanged through the plates. For example, the utility model patent with the announcement number CN216668392U discloses a plate heat exchanger, including a plate heat exchanger, a heat medium inlet is arranged on the upper part of one side of the plate heat exchanger, and a right-angle plate is fixedly installed on the upper part of one side of the plate heat exchanger close to the heat medium inlet. The right-angle plate is detachably mounted with a filter mechanism, and the output end of the filter mechanism is detachably connected to the side of the outlet away from the plate heat exchanger.

[0003] However, most of the existing plate heat exchangers are fixedly installed, which makes it difficult to disassemble after installation, affecting the later maintenance. In addition, the use position is relatively fixed, and it is troublesome to use additional lifting equipment when the use position needs to be changed later. Therefore, improvements are needed. Utility Model Content

[0004] The purpose of the utility model is to provide a detachable plate heat exchanger, which solves the problem that most of the existing plate heat exchangers are fixedly installed, which is difficult to disassemble after installation, affecting the later maintenance. At the same time, it solves the problem that the use position is relatively fixed, and the use position needs to be changed later, which requires the use of additional lifting equipment, which is relatively troublesome.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a detachable plate heat exchanger comprises a heat exchanger body, the bottom of the heat exchanger body is installed with two symmetrically distributed angle steels by bolts, and a positioning block is welded at the bottom of each angle steel, the outer sides of the two positioning blocks are slidably connected with a base together, and the base contacts the angle steel, a bidirectional screw 1 is installed inside the base through a bearing, the threaded portion of the bidirectional screw 1 is connected to two moving blocks by threads, and the moving block is slidably connected to the inner side of the base, each of the moving blocks is fixedly connected with a locking block on one side close to the positioning block, and the locking block is plugged into the positioning block, a bidirectional screw 2 is installed inside the base and located below the bidirectional screw 1 through a bearing, the threaded portion of the bidirectional screw 2 is connected with an inclined surface block by threads, the inclined surface block is slidably connected to the inner surface of the base, the end of the bidirectional screw 2 located on the outer side of the base is fixedly connected with a knob, and a retractable moving mechanism is provided at the bottom of the base.

[0006] Preferably, a ball bearing is provided at the bottom of the moving block, and the ball bearing is slidably connected to the inner surface of the base. The relative friction between the moving block and the base can be reduced by providing the ball bearing.

[0007] Preferably, one end of the bidirectional screw rod 1 located outside the base is fixedly connected with a knob, and the knob is made of plastic. The setting of the knob makes it easy to rotate the bidirectional screw rod 1.

[0008] Preferably, the retractable moving mechanism comprises a hollow cylinder fixedly connected to the bottom of the base, a slider is slidably connected to the inner side of the hollow cylinder, a sliding column is fixedly connected to the upper end of the sliding column, the sliding column passes through the hollow cylinder and is slidably connected to the hollow cylinder, a wedge block is fixedly connected to the top of the sliding column, a spring is sleeved on the outer side of the main body of the sliding column, and a roller is installed at the bottom of the sliding column. The arrangement of the retractable moving mechanism facilitates the overall movement, and the stability after the movement will not be affected.

[0009] Preferably, one end of the spring is fixedly connected to the slider, and the other end of the spring is fixedly connected to the inner surface of the hollow cylinder. By setting the spring, elastic force can be applied to the slider.

[0010] Preferably, the slider is slidably connected to a guide rod, one end of which is fixedly connected to the inner surface of the hollow cylinder, and the other end of which is fixedly connected to a limit block, which contacts the slider. The guide rod has a guiding effect on the sliding of the slider in the hollow cylinder.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model arranges an angle steel with a positioning block at the bottom of the heat exchanger body, and then after the heat exchanger body is placed on the base, the positioning block will be inserted into the base. In addition, a moving block driven to move laterally by a bidirectional screw is arranged in the base, and a locking block is arranged on the moving block. The locking block can be inserted laterally into the positioning block. In this way, the locking block and the positioning block can be controlled by rotating the bidirectional screw to complete the disassembly and assembly of the heat exchanger body. The operation is simple and convenient, and it is convenient for later maintenance.

[0013] 2. The utility model sets an inclined plane block which is driven to move laterally by a bidirectional screw in the base, and then sets a retractable movable mechanism at the bottom of the base. The lifting and lowering of the roller can be controlled by utilizing the cooperation between the inclined plane block and the wedge block in the retractable movable mechanism after the inclined plane block moves laterally and the elastic force of the spring. This not only enables the whole to move and change the use position, but also the stability after the movement will not be affected. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 For the utility model Figure 1A three-dimensional diagram of the local structure;

[0016] Figure 3 For the utility model Figure 1 A front cross-sectional view of

[0017] Figure 4 For the utility model Figure 3 A magnified view of the structure of part A;

[0018] Figure 5 For the utility model Figure 3 Enlarged view of the retractable moving mechanism.

[0019] In the figure: 1. heat exchanger body; 2. angle steel; 3. positioning block; 4. base; 5. two-way screw 1; 6. moving block; 7. ball bearing; 8. locking block; 9. knob; 10. two-way screw 2; 11. turning knob; 12. inclined block; 13. storage type moving mechanism; 131. hollow cylinder; 132. slider; 133. sliding column; 134. wedge block; 135. spring; 136. roller; 137. guide rod; 138. limit block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 A detachable plate heat exchanger includes a heat exchanger body 1, two symmetrically distributed angle steels 2 are installed at the bottom of the heat exchanger body 1 by bolts, and a positioning block 3 is welded at the bottom of each angle steel 2, the outer sides of the two positioning blocks 3 are slidably connected to a base 4, and the base 4 is in contact with the angle steel 2, and a bidirectional screw 5 is installed inside the base 4 through a bearing, and a knob 9 is fixedly connected to one end of the bidirectional screw 5 located on the outer side of the base 4, and the knob 9 is made of plastic. Through the setting of the knob 9, it is easy to rotate the bidirectional screw 5, the threaded part of the bidirectional screw 5 is threadedly connected to two moving blocks 6, and the moving block 6 is slidably connected to the inner side of the base 4, and a ball 7 is arranged at the bottom of the moving block 6, and the ball 7 is slidably connected to the inner surface of the base 4. Through the setting of the ball 7, the relative friction between the moving block 6 and the base 4 can be reduced, and each moving block 6 is fixedly connected to a locking block 8 on the side close to the positioning block 3, and the locking block 8 is plugged into the positioning block 3.

[0022] See also Figure 1 , Figure 3A bidirectional screw 10 is installed inside the base 4 and below the bidirectional screw 1 5 through a bearing. The threaded portion of the bidirectional screw 10 is connected to a ramp block 12 through a thread. The ramp block 12 is slidably connected to the inner surface of the base 4. A knob 11 is fixedly connected to one end of the bidirectional screw 10 located outside the base 4.

[0023] See also Figure 3 , Figure 5 The bottom of the base 4 is provided with a retractable moving mechanism 13. The retractable moving mechanism 13 facilitates the overall movement and does not affect the stability after the movement. The retractable moving mechanism 13 includes a hollow cylinder 131 fixedly connected to the bottom of the base 4. A slider 132 is slidably connected to the inner side of the hollow cylinder 131. A sliding column 133 is fixedly connected to the upper end of the sliding column 132. The sliding column 133 penetrates the hollow cylinder 131 and is slidably connected to the hollow cylinder 131. A wedge block 134 is fixedly connected to the top of the sliding column 133. A spring 135 is sleeved on the outer side of the main body of the sliding column 133. One end of the spring 135 is fixedly connected to the slider 132, and the other end of the spring 135 is fixedly connected to the inner surface of the hollow cylinder 131. The setting of the spring 135 can act on the slider 132 with elastic force. A roller 136 is installed at the bottom of the slider 132. The slider 132 is slidably connected to a guide rod 137, one end of which is fixedly connected to the inner surface of the hollow cylinder 131, and the other end of which is fixedly connected to a limit block 138, which contacts the slider 132. The guide rod 137 has a guiding effect on the sliding of the slider 132 in the hollow cylinder 131.

[0024] The specific implementation process of the utility model is as follows: when in use, first place the heat exchanger body 1 on the base 4, and the positioning block 3 on the angle steel 2 at the bottom of the heat exchanger body 1 is inserted into the base 4, and then the knob 9 is turned to the bidirectional screw rod 1 5, and the moving block 6 on the bidirectional screw rod 1 5 moves horizontally through the thread movement, and the locking block 8 on the moving block 6 is inserted horizontally into the positioning block 3, so that the installation of the heat exchanger body 1 is completed, and the heat exchanger body 1 can be disassembled and unloaded by reversing the knob 9, which is simple and convenient to operate and convenient for later maintenance;

[0025] If the use position needs to be changed later, it is only necessary to rotate the bidirectional screw rod 10 through the knob 11, and the two inclined blocks 12 on the bidirectional screw rod 10 will move horizontally, and then the inclined block 12 will be released and squeeze the wedge block 134 downward, and the wedge block 134 will drive the slider 132 to move downward through the sliding column 133, and the roller 136 at the bottom of the slider 132 will then extend out of the hollow cylinder 131 and touch the ground. In this way, under the reaction force of the ground, the whole is lifted up, and then it can be moved by the roller 136. After moving, the knob 11 is reversed to retract the roller 136, and the whole is supported by the hollow cylinder 131 again, and the stability will not be affected.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A detachable plate heat exchanger, comprising a heat exchanger body (1), Features: The bottom of the heat exchanger body (1) is bolted with two symmetrically distributed angle steels (2), and a positioning block (3) is welded to the bottom of each angle steel (2). The outer sides of the two positioning blocks (3) are slidably connected to a base (4), and the base (4) is in contact with the angle steel (2). A bidirectional screw rod (5) is installed inside the base (4) through a bearing. The threaded portion of the bidirectional screw rod (5) is threadedly connected to two moving blocks (6), and the moving blocks (6) are slidably connected to the inner side of the base (4). Each moving block (6) is close to the positioning block ( A locking block (8) is fixedly connected to one side of the base (3), and the locking block (8) is plugged into the positioning block (3); a bidirectional screw rod (10) is installed inside the base (4) and below the bidirectional screw rod (5) through a bearing; the threaded portion of the bidirectional screw rod (10) is connected to a ramp block (12) through a thread; the ramp block (12) is slidably connected to the inner surface of the base (4); a rotating knob (11) is fixedly connected to one end of the bidirectional screw rod (10) located outside the base (4); and a retractable moving mechanism (13) is provided at the bottom of the base (4).

2. A detachable plate heat exchanger according to claim 1, Features: A ball bearing (7) is provided at the bottom of the moving block (6), and the ball bearing (7) is slidably connected to the inner surface of the base (4).

3. A detachable plate heat exchanger according to claim 1, Features: One end of the bidirectional screw rod (5) located outside the base (4) is fixedly connected to a knob (9), and the knob (9) is made of plastic.

4. A detachable plate heat exchanger according to claim 1, Features: The retractable movable mechanism (13) comprises a hollow cylinder (131) fixedly connected to the bottom of the base (4); a slider (132) is slidably connected to the inner side of the hollow cylinder (131); a slide column (133) is fixedly connected to the upper end of the slide column (132); the slide column (133) passes through the hollow cylinder (131) and is slidably connected to the hollow cylinder (131); a wedge block (134) is fixedly connected to the top of the slide column (133); a spring (135) is sleeved on the outer side of the main body of the slide column (133); and a roller (136) is installed at the bottom of the slide column (132).

5. A detachable plate heat exchanger according to claim 4, Features: One end of the spring (135) is fixedly connected to the slider (132), and the other end of the spring (135) is fixedly connected to the inner surface of the hollow cylinder (131).

6. A detachable plate heat exchanger according to claim 4, Features: The slider (132) is internally slidably connected to a guide rod (137), one end of the guide rod (137) is fixedly connected to the inner surface of the hollow cylinder (131), and the other end of the guide rod (137) is fixedly connected to a limit block (138), and the limit block (138) is in contact with the slider (132).

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