Connecting pipe assembling structure of plate heat exchanger

Abstract

The utility model discloses a plate heat exchanger connecting pipe assembling structure, which belongs to the technical field of plate heat exchangers, and comprises a plate heat exchanger body and a plurality of external connecting pipes, the plate heat exchanger body is provided with a plurality of inlet and outlet pipes, and the end parts of the inlet and outlet pipes are fixedly connected with a first connecting disc; and the end parts of the plurality of external connection pipes are fixedly connected with second connection discs. According to the utility model, the first connecting disc and the second connecting disc are matched to butt the external connecting pipe and the inlet and outlet pipe, the upper clamping sleeve and the lower clamping sleeve are sleeved on the outer sides of the first connecting disc and the second connecting disc, and the bolt is driven by the elastic force of the spring to be inserted into the insertion hole; therefore, the upper clamping sleeve and the lower clamping sleeve are stably installed on the outer sides of the first connecting disc and the second connecting disc, then the outer connecting pipe and the inlet and outlet pipe are conveniently connected, it is avoided that a plurality of bolts need to be screwed when the connecting pipe is assembled, and the convenience of the plate heat exchanger connecting pipe assembling structure is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to plate heat exchanger technical field more specifically, relate to a plate heat exchanger pipe connecting assembly structure. BACKGROUND

[0002] Plate heat exchanger is the equipment that the partial heat of hot fluid is transmitted to cold fluid, and plate heat exchanger can be used as heater, cooler, condenser, evaporator and reboiler etc. in chemical production, and plate heat exchanger is widely used, is applicable to different medium, different working condition, different temperature, different pressure heat exchanger, and the structure type is also different, and plate heat exchanger needs to be connected with the pipeline of medium delivery and medium output when installing.

[0003] Through the retrieval, the utility model discloses a plate heat exchanger pipe connecting assembly structure with the publication number CN218034590U, which comprises a plate heat exchanger body and a heat exchange pipe, the inlet and outlet of the plate heat exchanger body are both fixedly provided with a water exchange pipe, one end of the heat exchange pipe close to the plate heat exchanger is welded with a fixed pipe, the fixed pipe extends into the water exchange pipe, one end of the water exchange pipe away from the plate heat exchanger body is fixedly provided with a first connecting disc, one end of the heat exchange pipe close to the plate heat exchanger body is fixedly provided with a second connecting disc, the first connecting disc is hinged with a fixed plate on the upper and lower ends of one side close to the plate heat exchanger body, the inside of one end of the fixed plate away from the plate heat exchanger body is screw-connected with a bolt, and one end of the bolt close to the first connecting disc is detachably connected with the second connecting disc; it is convenient to assemble and disassemble between the plate heat exchanger and the heat exchange pipe.

[0004] But the above patent still has the following deficiencies: when connecting the pipe, multiple bolts need to be twisted, and the convenience is poor; when the sealing gasket at the pipe connection position is aged and leaks, the staff cannot find it in time. Therefore, we propose a plate heat exchanger pipe connecting assembly structure. UTILITY MODEL CONTENT

[0005] In view of the problems existing in the prior art, the utility model aims at providing a plate heat exchanger pipe connecting assembly structure.

[0006] To solve the above problems, the utility model adopts the following technical scheme:

[0007] The utility model provides a kind of plate heat exchanger pipe assembly structure, including plate heat exchanger body and multiple external connection pipes, multiple inlet and outlet pipes are provided on the plate heat exchanger body, the end of multiple inlet and outlet pipes is fixedly connected with first connecting disc, the end of multiple external connection pipes is fixedly connected with second connecting disc, the end surface of second connecting disc and the end surface of first connecting disc are inlaid, the bottom of first connecting disc and second connecting disc is all set with lower sleeve, the top of first connecting disc and second connecting disc is all set with upper sleeve, one end of upper sleeve and lower sleeve is hinged to each other, the other end of upper sleeve is fixedly connected with arc seat, the other end of lower sleeve is provided with insertion hole, the outside of arc seat is fixedly connected with spring, the end of spring is fixedly connected with pull block, pull block is fixedly connected with bolt, the end of bolt is movably sleeved into the inner cavity of insertion hole, protective detection mechanism is provided on external connection pipe and inlet and outlet pipe, and the outer diameter of external connection pipe and inlet and outlet pipe is equal.

[0008] As a preferred scheme of the utility model, the protective detection mechanism includes a lower protective box sleeved at the bottom of the external connection pipe and the inlet and outlet pipe and an upper protective box sleeved at the top of the external connection pipe and the inlet and outlet pipe, the lower protective box and the upper protective box are sleeved at the outside of the upper sleeve and the lower sleeve, one end of the lower protective box and the upper protective box is hinged to each other, the other end of the lower protective box is fixedly connected with a buckle seat, the other end of the upper protective box is fixedly connected with a buckle pin, the bottom end of the buckle pin is clamped into the inner cavity of the buckle seat, a humidity sensor is arranged at the bottom of the inner cavity of the lower protective box, an air pressure sensor is arranged on the inner wall of the lower protective box, a lithium battery is arranged on the inner wall of the lower protective box, a controller is arranged on the inner wall of the lower protective box, and a loudspeaker is fixedly installed on the outside of the lower protective box.

[0009] As a preferred scheme of the utility model, the end surface of the first connecting disc is provided with an annular insertion slot, the end surface of the second connecting disc is fixedly connected with an annular socket, the end of the annular socket is movably sleeved into the inner cavity of the annular insertion slot, and the outer side surface of the annular socket and the inner wall of the annular insertion slot are inlaid.

[0010] As a preferred scheme of the utility model, the inner walls of the upper sleeve and the lower sleeve are inlaid with the outer side surfaces of the first connecting disc and the second connecting disc respectively.

[0011] As a preferred scheme of the utility model, the two sides of the upper sleeve and the lower sleeve are respectively provided with first clamping holes, and the inner walls of the first clamping holes are inlaid with the outer side surfaces of the external connection pipe and the inlet and outlet pipe respectively.

[0012] As a preferred scheme of the utility model, the bottom surface of the lower protective box and the top surface of the upper protective box are fixedly installed with handles respectively, the sides of the lower protective box and the upper protective box are respectively provided with second clamping holes, and the inner walls of the second clamping holes are inlaid with the outer side surfaces of the external connection pipe and the inlet and outlet pipe respectively.

[0013] As a preferred scheme of the utility model, the outer diameter of the bolt is equal to the inner diameter of the insertion hole.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] (1) In the utility model, the first connecting disc and the second connecting disc are matched to butt joint the external connecting pipe and the inlet and outlet pipe, the upper and lower clamping sleeves are sleeved on the outer sides of the first connecting disc and the second connecting disc, and the bolt is inserted into the insertion hole by the elastic force of the spring, so that the upper and lower clamping sleeves are stably installed on the outer sides of the first connecting disc and the second connecting disc, and the external connecting pipe and the inlet and outlet pipe are conveniently connected, avoiding the need to rotate multiple bolts when assembling the pipes, and improving the convenience of the pipe assembly structure of the plate heat exchanger.

[0016] (2) In the utility model, the outer sides of the upper and lower clamping sleeves are protected by the cooperation of the lower protection box, the upper protection box, the buckle seat and the buckle pin, in addition, the humidity sensor is used to detect the humidity in the inner cavities of the lower protection box and the upper protection box in real time, when the humidity changes, it indicates that the connection between the first connecting disc and the second connecting disc leaks, at this time, the controller controls the loudspeaker to emit a prompt sound, in addition, the air pressure sensor is used to detect the pressure in the inner cavities of the lower protection box and the upper protection box in real time, when the air pressure in the inner cavities of the lower protection box and the upper protection box increases, it indicates that the connection between the first connecting disc and the second connecting disc leaks, at this time, the controller controls the loudspeaker to emit a prompt sound again, so as to remind the staff to handle in time, and the utility is good. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the overall structure of the utility model;

[0018] Figure 2 It is a schematic view of the structure of the plate heat exchanger body of the utility model;

[0019] Figure 3 It is a schematic view of the connection of the inlet and outlet pipe and the external connecting pipe of the utility model;

[0020] Figure 4 It is a schematic view of the structure of the external connecting pipe of the utility model;

[0021] Figure 5 It is a schematic view of the structure of the upper clamping sleeve of the utility model;

[0022] Figure 6 It is a sectional view of the lower clamping sleeve of the utility model;

[0023] Figure 7 It is a schematic view of the structure of the protection and detection mechanism of the utility model;

[0024] Figure 8 It is a cross section schematic view of the protection detection mechanism.

[0025] Explanation of reference numerals in the drawing:

[0026] 1, plate heat exchanger body; 2, external pipe; 3, inlet and outlet pipe; 4, first connecting disc; 5, second connecting disc; 6, upper clamping sleeve; 7, lower clamping sleeve; 8, arc-shaped seat; 9, jack; 10, spring; 11, pull block; 12, bolt; 13, first clamping hole; 14, protection detection mechanism; 15, lower protection box; 16, upper protection box; 17, buckle seat; 18, buckle pin; 19, loudspeaker; 20, humidity sensor; 21, air pressure sensor; 22, lithium battery; 23, controller; 24, second clamping hole; 25, handle; 26, annular insertion slot; 27, annular socket. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0028] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] Embodiment:

[0031] Please refer to Figures 1-8The utility model relates to a plate heat exchanger pipe assembly structure, including plate heat exchanger body 1 and a plurality of external connection pipe 2, be provided with a plurality of inlet and outlet pipe 3 on plate heat exchanger body 1, the end fixedly connected with first connecting disc 4 of a plurality of inlet and outlet pipe 3, the end of a plurality of external connection pipe 2 is fixedly connected with second connecting disc 5, and the end face of second connecting disc 5 and the end face of first connecting disc 4 are inlaid, and the bottom of first connecting disc 4 and second connecting disc 5 are all set with lower sleeve 7, and the top of first connecting disc 4 and second connecting disc 5 are all set with upper sleeve 6, and one end of upper sleeve 6 and lower sleeve 7 are hinged to each other, and the other end of upper sleeve 6 is fixedly connected with arc seat 8, and the other end of lower sleeve 7 is provided with insertion hole 9, and the outside of arc seat 8 is fixedly connected with spring 10, and the end of spring 10 is fixedly connected with pull block 11, and pull block 11 is fixedly connected with bolt 12, and the end of bolt 12 is movably sleeved into the inner chamber of insertion hole 9, and external connection pipe 2 and inlet and outlet pipe 3 are provided with protection detection mechanism 14, and the outer diameter of external connection pipe 2 and inlet and outlet pipe 3 is equal.

[0032] Specifically, please refer to Figure 1 、 Figure 3 、 Figure 7 And Figure 8 , protection detection mechanism 14 includes lower protection box 15 that sets up in the bottom of external connection pipe 2 and inlet and outlet pipe 3 and upper protection box 16 that sets up in the top of external connection pipe 2 and inlet and outlet pipe 3, and lower protection box 15 and upper protection box 16 set up in the outside of upper sleeve 6 and lower sleeve 7, and one end of lower protection box 15 and upper protection box 16 are hinged to each other, and the other end of lower protection box 15 is fixedly connected with buckle seat 17, and the other end of upper protection box 16 is fixedly connected with buckle bolt 18, and the bottom end of buckle bolt 18 is clamped into the inner chamber of buckle seat 17, and the bottom of lower protection box 15 inner chamber is provided with humidity sensor 20, and the inner wall of lower protection box 15 is provided with air pressure sensor 21, and the inner wall of lower protection box 15 is provided with lithium battery 22, and the inner wall of lower protection box 15 is provided with controller 23, and the outside of lower protection box 15 is fixedly installed with loudspeaker 19.

[0033] In the embodiment, the lithium battery 22 is used to power the controller 23, the humidity sensor 20, the air pressure sensor 21 and the loudspeaker 19, and the controller 23 is used to process the signals detected by the humidity sensor 20 and the air pressure sensor 21, so that the loudspeaker 19 emits a prompt sound.

[0034] Specifically, please refer to Figure 3 And Figure 4 , the end face of first connecting disc 4 is provided with annular insertion slot 26, the end face of second connecting disc 5 is fixedly connected with annular socket 27, the end of annular socket 27 is movably sleeved into the inner chamber of annular insertion slot 26, and the outer side surface of annular socket 27 and the inner wall of annular insertion slot 26 are inlaid.

[0035] In the embodiment, the connection between the first connecting disc 4 and the second connecting disc 5 is ensured to be sealed by the cooperation of the annular slot 26 and the annular socket 27.

[0036] Specifically, please refer to Figure 2 , Figure 4 and Figure 6 , the inner walls of the upper sleeve 6 and the lower sleeve 7 are respectively attached to the outer sides of the first connecting disc 4 and the second connecting disc 5.

[0037] In the embodiment, the upper sleeve 6 and the lower sleeve 7 can tightly sleeve between the first connecting disc 4 and the second connecting disc 5, and the stability of the connection between the first connecting disc 4 and the second connecting disc 5 is ensured.

[0038] Specifically, please refer to Figure 1 , Figure 2 and Figure 6 , the two sides of the upper sleeve 6 and the lower sleeve 7 are respectively provided with the first clamping holes 13, and the inner walls of the first clamping holes 13 are respectively attached to the outer sides of the external connecting pipe 2 and the inlet and outlet pipe 3.

[0039] In the embodiment, the first clamping holes 13 are used to clamp the upper sleeve 6 and the lower sleeve 7 on the outer sides of the external connecting pipe 2 and the inlet and outlet pipe 3, and the sealing of the upper sleeve 6 and the lower sleeve 7 on the external connecting pipe 2 and the inlet and outlet pipe 3 is ensured.

[0040] Specifically, please refer to Figure 1 , Figure 2 and Figure 7 , the bottom surface of the lower protective box 15 and the top surface of the upper protective box 16 are both fixedly installed with the handles 25, and the sides of the lower protective box 15 and the upper protective box 16 are respectively provided with the second clamping holes 24, and the inner walls of the second clamping holes 24 are respectively attached to the outer sides of the external connecting pipe 2 and the inlet and outlet pipe 3.

[0041] In the embodiment, the second clamping holes 24 are used to clamp the lower protective box 15 and the upper protective box 16 on the external connecting pipe 2 and the inlet and outlet pipe 3, and the handles 25 are used to take the lower protective box 15 and the upper protective box 16.

[0042] Specifically, please refer to Figure 6 , the outer diameter of the bolt 12 is equal to the inner diameter of the hole 9.

[0043] In the embodiment, the stability of the bolt 12 inserted into the hole 9 is ensured, and thus the stability and firmness of the fixation between the upper sleeve 6 and the lower sleeve 7 are ensured.

[0044] Working principle: when the external pipe 2 and the inlet and outlet pipe 3 on the plate heat exchanger body 1 need to be connected, first, the second connecting disc 5 at the end of the external pipe 2 is aligned with the first connecting disc 4 at the end of the inlet and outlet pipe 3, and the annular socket 27 at the end of the second connecting disc 5 is inserted into the annular slot 26 on the first connecting disc 4, then the upper and lower clamps 6 and 7 are sleeved on the outer sides of the first and second connecting discs 4 and 5, and the spring 10 is used to drive the latch 12 to be inserted into the insertion hole 9, so that the upper and lower clamps 6 and 7 are stably installed on the outer sides of the first and second connecting discs 4 and 5, and the first and second connecting discs 4 and 5 are connected, then the lower and upper protection boxes 15 and 16 are sleeved on the outer sides of the external pipe 2 and the inlet and outlet pipe 3, and the buckle pin 18 is buckled into the inner cavity of the buckle seat 17, so that the lower and upper protection boxes 15 and 16 are stably installed on the outer sides of the upper and lower clamps 6 and 7, and the pipeline connection is protected, finally, the humidity sensor 20 is used to detect the humidity in the inner cavities of the lower and upper protection boxes 15 and 16 in real time, when the humidity changes, it indicates that the connection between the first and second connecting discs 4 and 5 leaks, at this time, the controller 23 controls the loudspeaker 19 to issue a prompt sound, in addition, the air pressure sensor 21 is used to detect the pressure in the inner cavities of the lower and upper protection boxes 15 and 16 in real time, when the air pressure in the inner cavities of the lower and upper protection boxes 15 and 16 increases, it indicates that the connection between the first and second connecting discs 4 and 5 leaks, at this time, the controller 23 controls the loudspeaker 19 to issue a prompt sound again, so as to remind the staff to handle it in time.

[0045] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A plate heat exchanger connection assembly comprising a plate heat exchanger body (1) and a plurality of external connections (2), characterized in that: The plate heat exchanger body (1) is provided with a plurality of inlet and outlet pipes (3), the end of the plurality of inlet and outlet pipes (3) is fixedly connected with a first connecting disc (4), the end of the plurality of external connecting pipes (2) is fixedly connected with a second connecting disc (5), the end surface of the second connecting disc (5) and the end surface of the first connecting disc (4) are fitted, the bottom of the first connecting disc (4) and the second connecting disc (5) is sleeved with a lower sleeve (7), the top of the first connecting disc (4) and the second connecting disc (5) is sleeved with an upper sleeve (6), one end of the upper sleeve (6) and the lower sleeve (7) is hingedly connected, the other end of the upper sleeve (6) is fixedly connected with an arc-shaped seat (8), the other end of the lower sleeve (7) is provided with a plug hole (9), the outer side of the arc-shaped seat (8) is fixedly connected with a spring (10), the end of the spring (10) is fixedly connected with a pull block (11), the pull block (11) is fixedly connected with a bolt (12), the end of the bolt (12) is movably sleeved into the inner cavity of the plug hole (9), the external connecting pipe (2) and the inlet and outlet pipe (3) are provided with a protection detection mechanism (14), and the outer diameters of the external connecting pipe (2) and the inlet and outlet pipe (3) are equal.

2. A plate heat exchanger connection assembly according to claim 1, characterized in that: The protection detection mechanism (14) comprises a lower protection box (15) sleeved at the bottom of the external connecting pipe (2) and the inlet and outlet pipe (3) and an upper protection box (16) sleeved at the top of the external connecting pipe (2) and the inlet and outlet pipe (3), the lower protection box (15) and the upper protection box (16) are sleeved on the outer sides of the upper sleeve (6) and the lower sleeve (7), one end of the lower protection box (15) and the upper protection box (16) is hingedly connected, the other end of the lower protection box (15) is fixedly connected with a buckle seat (17), the other end of the upper protection box (16) is fixedly connected with a buckle pin (18), the bottom end of the buckle pin (18) is clamped into the inner cavity of the buckle seat (17), the bottom of the inner cavity of the lower protection box (15) is provided with a humidity sensor (20), the inner wall of the lower protection box (15) is provided with an air pressure sensor (21), the inner wall of the lower protection box (15) is provided with a lithium battery (22), the inner wall of the lower protection box (15) is provided with a controller (23), and the outer side of the lower protection box (15) is fixedly provided with a loudspeaker (19).

3. A plate heat exchanger connection assembly according to claim 1, characterized in that: The end surface of the first connecting disc (4) is provided with an annular insertion groove (26), the end surface of the second connecting disc (5) is fixedly connected with an annular socket (27), the end of the annular socket (27) is movably sleeved into the inner cavity of the annular insertion groove (26), and the outer side surface of the annular socket (27) and the inner wall of the annular insertion groove (26) are fitted.

4. A plate heat exchanger connection assembly according to claim 1, characterized in that: The inner walls of the upper sleeve (6) and the lower sleeve (7) are respectively fitted with the outer side surfaces of the first connecting disc (4) and the second connecting disc (5).

5. A plate heat exchanger connection assembly according to claim 1, characterized in that: The two sides of the upper sleeve (6) and the lower sleeve (7) are respectively provided with first clamping holes (13), and the inner walls of the first clamping holes (13) are respectively fitted with the outer side surfaces of the external connecting pipe (2) and the inlet and outlet pipe (3).

6. A plate heat exchanger connection assembly according to claim 2, characterized in that: The bottom surface of the lower protection box (15) and the top surface of the upper protection box (16) are fixedly provided with a handle (25), and the side surfaces of the lower protection box (15) and the upper protection box (16) are respectively provided with a second clamping hole (24), and the inner wall of the second clamping hole (24) is respectively attached to the outer surface of the outer connecting pipe (2) and the inlet / outlet pipe (3).

7. A plate heat exchanger connection assembly according to claim 1, characterized in that: The outer diameter of the bolt (12) is equal to the inner diameter of the insertion hole (9).

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