Plate heat exchanger connector

Abstract

The utility model discloses a plate heat exchanger connector which comprises an upper connecting pipe, a lower connecting pipe is arranged below the upper connecting pipe, connecting flanges are fixedly arranged outside the upper connecting pipe and the lower connecting pipe in a sleeved mode, and a plurality of adjusting pipes are connected between the upper connecting pipe and the lower connecting pipe in a clamped mode. A plurality of clamping rods are fixedly connected to the lower end of the adjusting pipe and the lower end of the upper connecting pipe, a plurality of clamping grooves are formed in the upper end of the lower connecting pipe and the upper end of the adjusting pipe, the clamping rods are movably inserted into the clamping grooves respectively, and a plurality of fixing plates are fixedly connected to the outer wall of the upper connecting pipe; inserting holes are formed in the multiple fixing plates, multiple nuts are fixedly connected to the outer wall of the lower connecting pipe, and hexagon bolts are connected between the fixing plates and the nuts in a threaded mode. The length of the connector can be flexibly adjusted according to the actual requirement when the connector of the plate heat exchanger is installed, and the installation flexibility of the connector of the plate heat exchanger is effectively improved.

Description

Technical Field

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

[0002] A plate heat exchanger is a highly efficient heat exchanger composed of a series of stacked, corrugated metal plates. Thin rectangular channels are formed between the plates, through which heat is exchanged. Plate heat exchangers are ideal for liquid-to-liquid and liquid-to-vapor heat exchange. They offer high heat transfer efficiency, minimal heat loss, a compact and lightweight structure, a small footprint, wide application, and a long service life.

[0003] The length of the existing plate heat exchanger joints is fixed, resulting in the inability to adjust the length of the plate heat exchanger joints to the pipes of other components according to actual usage requirements, resulting in poor flexibility in the use of the plate heat exchanger joints. Utility Model Content

[0004] The purpose of the present utility model is to provide a plate heat exchanger joint to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] The utility model provides a plate heat exchanger joint, comprising an upper connecting pipe, a lower connecting pipe is arranged below the upper connecting pipe, the upper connecting pipe and the lower connecting pipe are fixedly sleeved with connecting flanges, a plurality of adjusting pipes are clamped between the upper connecting pipe and the lower connecting pipe, the lower end of the adjusting pipe and the lower end of the upper connecting pipe are fixedly connected with a plurality of clamping rods, the upper end of the lower connecting pipe and the upper end of the adjusting pipe are provided with a plurality of clamping grooves, the plurality of clamping rods are movably inserted into the plurality of clamping grooves, the outer wall of the upper connecting pipe is fixedly connected with a plurality of fixing plates, the plurality of fixing plates are provided with jacks, the outer wall of the lower connecting pipe is fixedly connected with a plurality of nuts, and a hexagonal bolt is threadedly connected between the fixing plate and the nut.

[0007] Furthermore, sealing gaskets are provided at both upper and lower ends of the regulating tube, and a plurality of fixing holes corresponding to the clamping rods are opened on the sealing gaskets, and the clamping rods pass through the sealing gaskets through the fixing holes.

[0008] Furthermore, the vertical outer walls of the upper connecting tube, the lower connecting tube and the regulating tube are all provided with indicator grooves.

[0009] Furthermore, the connecting flange includes a rectangular plate, and a plurality of pin holes are evenly opened on the rectangular plate, and the plurality of pin holes are distributed in a circular pattern.

[0010] Furthermore, the four corners of the rectangular plate are rounded.

[0011] Furthermore, positioning grooves are provided on both of the connecting flanges, and the positioning grooves are located at the corners of the connecting flanges.

[0012] Furthermore, the inner diameter and outer diameter of the regulating tube are the same as the inner diameter and outer diameter of the upper connecting tube and the lower connecting tube.

[0013] Furthermore, the sealing gasket is made of rubber.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The utility model is provided with an upper connecting pipe, a lower connecting pipe, a connecting flange, an adjusting pipe, a clamping rod, a clamping groove, a fixing plate, a jack, a nut and a hexagonal bolt. When the length of the joint needs to be adjusted, the hexagonal bolt is unscrewed to release the locking fixation of the hexagonal bolt on the upper connecting pipe and the lower connecting pipe. The length of the joint is adjusted by adjusting the number of adjusting pipes. The more adjusting pipes there are between the upper connecting pipe and the lower connecting pipe, the longer the length of the joint is. Therefore, the length of the joint can be flexibly adjusted according to the actual needs during the installation of the plate heat exchanger joint, thereby effectively improving the flexibility of the installation of the plate heat exchanger joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the utility model in another direction;

[0018] Figure 3 This is a schematic structural diagram of the upper connecting pipe in the utility model;

[0019] Figure 4 This is a schematic structural diagram of the lower connecting pipe in the utility model;

[0020] Figure 5 It is a structural schematic diagram of the regulating tube in the utility model.

[0021] In the figure: 1. Upper connecting pipe; 2. Lower connecting pipe; 3. Connecting flange; 4. Adjusting pipe; 5. Clamping rod; 6. Clamping slot; 7. Fixing plate; 8. Socket; 9. Nut; 10. Hexagonal bolt; 11. Sealing washer; 12. Indicator slot; 13. Rectangular plate; 14. Pin hole; 15. Positioning slot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-5 The utility model provides a plate heat exchanger joint, including an upper connecting pipe 1, a lower connecting pipe 2 is arranged below the upper connecting pipe 1, and the upper connecting pipe 1 and the lower connecting pipe 2 are fixedly sleeved with a connecting flange 3, a plurality of adjusting pipes 4 are clamped between the upper connecting pipe 1 and the lower connecting pipe 2, the lower end of the adjusting pipe 4 and the lower end of the upper connecting pipe 1 are fixedly connected with a plurality of clamping rods 5, the upper end of the lower connecting pipe 2 and the upper end of the adjusting pipe 4 are provided with a plurality of clamping grooves 6, and the plurality of clamping rods 5 are respectively movably inserted into the plurality of clamping grooves 6, the outer wall of the upper connecting pipe 1 is fixedly connected with a plurality of fixing plates 7, and the plurality of fixing plates 7 are provided with insertion holes 8, the outer wall of the lower connecting pipe 2 is fixedly connected with a plurality of nuts 9, and a hexagonal bolt 10 is threadedly connected between the fixing plate 7 and the nut 9.

[0024] In the above embodiment, when the length of the joint needs to be adjusted, the hexagonal bolt 10 is unscrewed to release the locking fixation of the hexagonal bolt 10 on the upper connecting pipe 1 and the lower connecting pipe 2, and the length of the joint is adjusted by adjusting the number of adjusting tubes 4. The more adjusting tubes 4 there are between the upper connecting pipe 1 and the lower connecting pipe 2, the longer the length of the joint. In this way, the length of the joint can be flexibly adjusted according to the actual needs during the installation of the plate heat exchanger joint, effectively improving the flexibility of the installation of the plate heat exchanger joint.

[0025] Sealing gaskets 11 are provided at both the upper and lower ends of the regulating tube 4. The sealing gasket 11 is provided with a plurality of fixing holes corresponding to the clamping rod 5. The clamping rod 5 passes through the sealing gasket 11 through the fixing holes, which can improve the overall sealing of the joint.

[0026] The vertical outer walls of the upper connecting pipe 1 , the lower connecting pipe 2 and the regulating pipe 4 are all provided with indicator grooves 12 , which can improve the convenience of positioning the regulating pipe 4 during installation.

[0027] The connecting flange 3 includes a rectangular plate 13 , and a plurality of pin holes 14 are evenly formed on the rectangular plate 13 . The pin holes 14 are distributed in a circumferential manner.

[0028] The four corners of the rectangular plate 13 are all rounded, which improves the comfort of using the connecting flange 3.

[0029] A positioning groove 15 is provided on each of the two connecting flanges 3 . The positioning groove 15 is located at a corner of the connecting flange 3 , which can improve the convenience of alignment when the joint is connected to other pipes.

[0030] The inner diameter and outer diameter of the regulating pipe 4 are the same as those of the upper connecting pipe 1 and the lower connecting pipe 2 , which can improve the flatness of the joint.

[0031] The sealing gasket 11 is specifically made of rubber, which can improve the sealing effect of the sealing gasket 11 .

[0032] Working principle: When installing the plate heat exchanger, if you need to adjust the length of the heat exchanger joint, use a wrench tool to tighten the hexagonal bolt 10, and through the threaded cooperation between the hexagonal bolt 10 and the nut 9, the hexagonal bolt 10 is separated from the nut 9, and the locking fixation of the hexagonal bolt 10 on the upper connecting pipe 1 and the lower connecting pipe 2 is released. The length of the joint is adjusted by adjusting the number of adjusting tubes 4. The more adjusting tubes 4 there are between the upper connecting pipe 1 and the lower connecting pipe 2, the longer the length of the joint. Therefore, the length of the joint can be flexibly adjusted according to the actual needs during the installation of the plate heat exchanger joint, which effectively improves the flexibility of the installation of the plate heat exchanger joint.

[0033] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plate heat exchanger joint, comprising an upper connecting pipe (1), characterized in that: A lower connecting tube (2) is provided below the upper connecting tube (1), and a connecting flange (3) is fixedly provided on the outer sides of the upper connecting tube (1) and the lower connecting tube (2). A plurality of adjusting tubes (4) are clamped between the upper connecting tube (1) and the lower connecting tube (2), and a plurality of clamping rods (5) are fixedly connected to the lower ends of the adjusting tubes (4) and the upper ends of the upper connecting tube (1). A plurality of clamping grooves (6) are provided on the upper ends of the lower connecting tube (2) and the upper ends of the adjusting tube (4), and the plurality of clamping rods (5) are movably inserted into the plurality of clamping grooves (6). The outer wall of the upper connecting tube (1) is fixedly connected to a plurality of fixing plates (7), and a plurality of the fixing plates (7) are provided with insertion holes (8). The outer wall of the lower connecting tube (2) is fixedly connected to a plurality of nuts (9), and a hexagonal bolt (10) is threadedly connected between the fixing plates (7) and the nuts (9).

2. A plate heat exchanger joint according to claim 1, characterized in that: Sealing gaskets (11) are provided at both upper and lower ends of the regulating tube (4). The sealing gasket (11) is provided with a plurality of fixing holes corresponding to the clamping rod (5). The clamping rod (5) passes through the sealing gasket (11) through the fixing holes.

3. A plate heat exchanger joint according to claim 2, characterized in that: The vertical outer walls of the upper connecting pipe (1), the lower connecting pipe (2) and the regulating pipe (4) are all provided with indicator grooves (12).

4. A plate heat exchanger joint according to claim 3, characterized in that: The connecting flange (3) comprises a rectangular plate (13), a plurality of pin holes (14) are evenly provided on the rectangular plate (13), and the plurality of pin holes (14) are distributed in a circumferential manner.

5. A plate heat exchanger joint according to claim 4, characterized in that: The four corners of the rectangular plate (13) are all rounded.

6. A plate heat exchanger joint according to claim 5, characterized in that: Both of the connecting flanges (3) are provided with positioning grooves (15), and the positioning grooves (15) are located at the corners of the connecting flanges (3).

7. A plate heat exchanger joint according to claim 6, characterized in that: The inner diameter and outer diameter of the regulating pipe (4) are the same as the inner diameter and outer diameter of the upper connecting pipe (1) and the lower connecting pipe (2).

8. A plate heat exchanger joint according to claim 7, characterized in that: The specific material of the sealing gasket (11) is rubber.

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