Fixing device of detachable plate heat exchanger frame

Abstract

The utility model provides a fixing device of a detachable plate heat exchanger frame, and relates to the technical field, the fixing device comprises a bottom plate, the top end of the bottom plate is provided with a placing groove, the outer surface of the bottom plate is provided with a positioning device, the positioning device comprises a screw rod, the outer surface of the screw rod is provided with threads in opposite directions, and the screw rod is connected with the placing groove. The two ends of the screw rod are rotationally connected with the two ends of the inner wall of the bottom plate, the outer surface of the screw rod is in threaded connection with two groove boxes, sliding grooves are formed in the two sides of the inner wall of the bottom plate, one side of the inner wall of each groove box is in threaded connection with a bolt, and one end of each bolt is rotationally connected with a rectangular plate. The front plate and the rear plate of the frame are placed in the two groove boxes correspondingly, the angle between the front plate and the rear plate is fixedly limited, the distance between the front plate and the rear plate is adjusted by rotating the screw rod, so that the top beam and the bottom beam are convenient to install, and the flexibility and convenience of installing the frame of the plate heat exchanger are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary tools for plate heat exchangers, in particular to a fixing device for a detachable plate heat exchanger frame. Background Technique

[0002] A plate heat exchanger is a highly efficient heat exchange device widely used in the fields of urban heating and cooling, petrochemical industry, etc. When assembling a plate heat exchanger, first align the axes of the positioning holes of the upper and lower beams of the front pressing plate and the rear pressing plate, then pass the upper and lower beams on the rear columns through the positioning holes, and fix the rear columns to form a frame. After that, align and arrange the heat exchange plates and sealing rubber strips between the two pressing plates, and use clamping bolts to fix the pressing plates to complete the assembly.

[0003] When assembling a plate heat exchanger, it is necessary to use a metal frame and metal rods to clamp between the upper, lower, left, and right of the plate heat exchanger and between the front and rear plates of the two heat exchangers, and manually support the front and rear plates and then use bolts to assemble the frame. During the assembly process, the angle between the front and rear plates may be skewed, affecting the installation effect of the plate heat exchanger and resulting in a low installation efficiency of the plate heat exchanger. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the problem that the angle between the front and rear plates may be skewed during the assembly process, affecting the installation effect of the plate heat exchanger and resulting in a low installation efficiency of the plate heat exchanger, and to propose a fixing device for a detachable plate heat exchanger frame.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: A fixing device for a detachable plate heat exchanger frame, including a bottom plate, a placement groove is opened at the top end of the bottom plate, a positioning device is arranged on the outer surface of the bottom plate, the positioning device includes a screw rod, opposite threads are arranged on the outer surface of the screw rod, both ends of the screw rod are rotatably connected to both ends of the inner wall of the bottom plate, two groove boxes are threadedly connected to the outer surface of the screw rod, sliding grooves are opened on both sides of the inner wall of the bottom plate, sliding blocks are fixedly connected to both sides of the groove box, the outer surface of the sliding block slides on the inner wall of the sliding groove, one side of the inner wall of the groove box is threadedly connected with a bolt, one end of the bolt is rotatably connected with a rectangular plate, and the bottom end of the rectangular plate slides on the inner wall of the groove box.

[0006] The effects achieved by the above components are as follows: by setting the slot box, when installing the frame of the plate heat exchanger, the middle plate of the frame is placed in the placement slot, and then the bottom ends of the front plate and the rear plate are respectively inserted into the two slot boxes, and the bolts on one side of the slot box are rotated to make the bolts move on the inner wall of the slot box to control the movement of the rectangular plate to press one side against one side of the front plate and the rear plate, fix the front plate and the rear plate in the slot box, limit the angle between the front plate and the rear plate, and finally rotate the screw to control the two slot boxes to move in the same or opposite directions on the outer surface of the screw, and the sliders on both sides of the slot box slide on the inner wall of the slider to adjust the distance between the front plate and the rear plate, so as to facilitate the installation of the top beam and the bottom beam.

[0007] Preferably, a plurality of rectangular strips are fixedly connected to one side of the rectangular plate, the rectangular strips are linearly distributed on one side of the rectangular plate, and the rectangular strips are made of rubber material.

[0008] The effect achieved by the above components is that when the side of the rectangular plate provided with the rubber rectangular strip is pressed against the side of the front plate or the rear plate inside the trough box to fix the position of the front plate or the rear plate inside the trough box, it is more stable and not easy to slide.

[0009] Preferably, positioning blocks are fixedly connected to both sides of the trough box, and the bottom ends of the positioning blocks slide on the top ends of the bottom plates.

[0010] The effect achieved by the above components is: when the screw is rotated to control the movement of the slot box, the positioning blocks on both sides of the slot box will slide on the top of the bottom plate, further limiting the angle between the slot box and the screw and the bottom plate, and avoiding the angle of the slot box from being deflected as much as possible.

[0011] Preferably, one end of the screw rod is fixedly connected to a disc, and one side of the disc is rotatably connected to a grip rod.

[0012] The effect achieved by the above components is that the rotation of the screw can be more conveniently controlled by holding the outer surface of the handle and pushing the disc to rotate.

[0013] Preferably, auxiliary devices are respectively provided at the four corners of the bottom end of the bottom plate, the auxiliary devices include a slot rod, the top end of the slot rod is fixedly connected to the bottom end of the bottom plate, two sides of the slot rod are fixedly connected with U-shaped blocks, a rectangular slot is provided inside the slot rod, and clamping slots are provided on two sides of the insertion rod, round rods are slidably connected with two sides of the inner wall of the rectangular slot, one end of the round rod is fixedly connected with a clamping block, a spring is provided on one side of the round rod, two ends of the spring are respectively fixedly connected to one side of the round rod and one side of the inner wall of the U-shaped block, an insertion rod is slidably inserted into the inner wall of the rectangular slot, the bottom end of the insertion rod is fixedly connected with a pad, and the bottom end of the pad is provided with an anti-slip rubber sheet.

[0014] The effect achieved by the above components is: when using the positioning device, the base plate can be lifted, and the insertion rod at the top of the pad block can be inserted into the slot rod at the four corners of the base plate in turn. When the top of the insertion rod contacts one end of the block inside the rectangular slot, the block and the round rod will be pushed to move in the direction of the U-shaped block and compress the spring. When the slot on the outer surface of the slot rod moves to the block, the spring will return to its original state and push the round rod and the block to move into the rectangular slot, and the block will be stuck in the slot on the outer surface of the slot rod, and the insertion rod will be fixed in the slot rod. The anti-slip rubber sheet at the bottom of the pad block can increase the friction when the bottom end of the pad block contacts the ground, thereby avoiding sliding when the base plate is used as much as possible and improving the stability when the positioning device is used.

[0015] Preferably, the inner diameter of the spring is slightly larger than the diameter of the round rod, and the round rod is located inside the spring.

[0016] The effect achieved by the above components is that when the block and the round rod move to drive the spring to deform, the spring will move outside the round rod. The round rod can reinforce the internal shape of the spring to avoid the spring from twisting and affecting the reset effect of the block as much as possible.

[0017] Preferably, the outer surface of the cushion block is provided with two grooves, and the two grooves are respectively located on two sides of the outer surface of the cushion block.

[0018] The effect achieved by the above components is that the pad block disassembly and assembly plug rod can be more conveniently grasped by pinching the grooves on both sides of the outer surface of the pad block.

[0019] Preferably, one side of the slot rod is fixedly connected to an inclined rod, and one end of the inclined rod away from the slot rod is fixedly connected to the bottom end of the base plate.

[0020] The effect achieved by the above components is: by arranging the oblique rods, the connection between the slot rod and the bottom plate can be further reinforced, thereby improving the structural stability of the connection between the bottom end of the slot rod and the bottom end of the bottom plate when the bottom end of the slot rod is subjected to force.

[0021] Compared with the prior art, the advantages and positive effects of the utility model are:

[0022] In the utility model, a positioning device is provided, and the front plate and the rear plate of the frame are respectively placed inside two slot boxes and fixed to limit the angle between the front plate and the rear plate, and the distance between the front plate and the rear plate is adjusted by rotating the screw rod to facilitate the installation of the top beam and the bottom beam, thereby improving the flexibility and convenience when installing the plate heat exchanger frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of the bottom plate of the utility model;

[0025] Figure 3 This is a schematic three-dimensional structure diagram at the trough box of the utility model;

[0026] Figure 4 This is a schematic three-dimensional structure diagram at the trough rod of the utility model.

[0027] Legend: 1, bottom plate; 2, positioning device; 3, auxiliary device; 4, placement groove; 21, screw rod; 22, chute; 23, trough box; 24, slider; 25, bolt; 26, rectangular plate; 27, rectangular strip; 28, positioning block; 29, disc; 210, grip rod; 31, trough rod; 32, rectangular groove; 33, insertion rod; 34, cushion block; 35, card slot; 36, card block; 37, round rod; 38, U-shaped block; 39, spring; 310, groove; 311, inclined rod. Specific implementation mode

[0028] Example 1, as Figures 1 - 3 shown, a fixing device for a detachable plate heat exchanger frame includes a bottom plate 1. A placement groove 4 is opened at the top end of the bottom plate 1. A positioning device 2 is arranged on the outer surface of the bottom plate 1. The positioning device 2 includes a screw rod 21. Threads with opposite directions are arranged on the outer surface of the screw rod 21. Both ends of the screw rod 21 are rotatably connected to both ends of the inner wall of the bottom plate 1. Two trough boxes 23 are threadedly connected to the outer surface of the screw rod 21. Chutes 22 are opened on both sides of the inner wall of the bottom plate 1. Sliders 24 are fixedly connected to both sides of the trough box 23. The outer surface of the slider 24 slides on the inner wall of the chute 22. One side of the inner wall of the trough box 23 is threadedly connected with a bolt 25. One end of the bolt 25 is rotatably connected with a rectangular plate 26. The bottom end of the rectangular plate 26 slides on the inner wall of the trough box 23. By setting the trough box 23, when installing the frame of the plate heat exchanger, place the middle plate of the frame at the placement groove 4, and then insert the bottom ends of the front plate and the rear plate into the interiors of the two trough boxes 23 respectively. Rotate the bolt 25 on one side of the trough box 23 to make the bolt 25 move on the inner wall of the trough box 23 to control the movement of the rectangular plate 26 and press one side against one side of the front plate and the rear plate, fix the front plate and the rear plate in the trough box 23, limit the angle between the front plate and the rear plate, and finally rotate the screw rod 21 to control the two trough boxes 23 to move in the same or opposite directions on the outer surface of the screw rod 21, and the sliders 24 on both sides of the trough box 23 slide on the inner wall of the slider 24, adjust the distance between the front plate and the rear plate, which is convenient for installing the top beam and the bottom beam. By setting the positioning device 2, by placing the front plate and the rear plate of the frame in the interiors of the two trough boxes 23 respectively and fixing them, the angle between the front plate and the rear plate is limited, and by rotating the screw rod 21 again to adjust the distance between the front plate and the rear plate, it is convenient for installing the top beam and the bottom beam, improving the flexibility and convenience when installing the plate heat exchanger frame.

[0029] Refer to Figures 2 - 3As shown, in the present embodiment: a plurality of rectangular strips 27 are fixedly connected to one side of the rectangular plate 26, and the rectangular strips 27 are linearly distributed on one side of the rectangular plate 26, and the rectangular strips 27 are made of rubber material. When the side of the rectangular plate 26 provided with the rubber rectangular strips 27 is pressed against the side of the front plate or the rear plate inside the slot box 23 to fix the position of the front plate or the rear plate inside the slot box 23, it is more stable and not easy to slide. Positioning blocks 28 are fixedly connected to both sides of the slot box 23, and the bottom ends of the positioning blocks 28 slide on the top end of the bottom plate 1. When the screw 21 is rotated to control the movement of the slot box 23, the positioning blocks 28 on both sides of the slot box 23 will slide on the top end of the bottom plate 1, and the angle between the slot box 23 and the screw 21 and the bottom plate 1 is further limited to avoid the angle of the slot box 23 from being deflected as much as possible.

[0030] Reference Figures 2 - 3 As shown, in this embodiment: one end of the screw rod 21 is fixedly connected to a disc 29, and one side of the disc 29 is rotatably connected to a grip rod 210. Holding the outer surface of the grip rod 210 and pushing the disc 29 to rotate can more conveniently control the rotation of the screw rod 21.

[0031] Reference Figure 1 , Figure 2 and Figure 4 As shown, in this embodiment: auxiliary devices 3 are respectively provided at the four corners of the bottom end of the bottom plate 1, and the auxiliary device 3 includes a slot rod 31, the top of the slot rod 31 is fixedly connected to the bottom end of the bottom plate 1, and U-shaped blocks 38 are fixedly connected to both sides of the slot rod 31. A rectangular slot 32 is provided inside the slot rod 31, and a clamping groove 35 is provided on both sides of the insertion rod 33. Round rods 37 are slidably connected to both sides of the inner wall of the rectangular slot 32, and a clamping block 36 is fixedly connected to one end of the round rod 37. A spring 39 is provided on one side of the round rod 37, and the two ends of the spring 39 are respectively fixedly connected to one side of the round rod 37 and one side of the inner wall of the U-shaped block 38. The inner wall of the rectangular slot 32 is slidably inserted with an insertion rod 33, and the bottom end of the insertion rod 33 is fixedly connected with a pad 34, and the bottom end of the pad 34 is provided with an anti-slip rubber sheet. 2, the base plate 1 can be lifted, and the insertion rod 33 at the top of the cushion block 34 can be inserted into the slot rod 31 at the four corners of the base plate 1 in turn. When the top of the insertion rod 33 contacts one end of the block 36 inside the rectangular slot 32, it will push the block 36 and the round rod 37 to move in the direction of the U-shaped block 38 and compress the spring 39. When the slot 35 on the outer surface of the slot rod 31 moves to the block 36, the spring 39 will return to its original state and push the round rod 37 and the block 36 to move into the rectangular slot 32, and the block 36 will be stuck in the slot 35 on the outer surface of the slot rod 31, and the insertion rod 33 will be fixed in the slot rod 31. The anti-slip rubber sheet at the bottom end of the cushion block 34 can increase the friction when the bottom end of the cushion block 34 contacts the ground, so as to avoid sliding when the base plate 1 is used as much as possible and improve the stability when the positioning device 2 is used.

[0032] Reference Figure 1 , Figure 2 andFigure 4 As shown, in this embodiment: the inner diameter of the spring 39 is slightly larger than the diameter of the round rod 37, and the round rod 37 is located inside the spring 39. When the block 36 and the round rod 37 move to drive the spring 39 to deform, the spring 39 will move on the outside of the round rod 37. The round rod 37 can be used to reinforce the internal shape of the spring 39 to avoid as much as possible the distortion of the spring 39 and the influence on the reset effect of the block 36.

[0033] Reference Figure 1 , Figure 2 and Figure 4 As shown, in the present embodiment: grooves 310 are provided on both sides of the cushion block 34, and the cushion block 34 can be grasped and disassembled and assembled with the insertion rod 33 more conveniently by pinching the grooves 310 on both sides of the outer surface of the cushion block 34, and an inclined rod 311 is fixedly connected to one side of the groove rod 31, and the end of the inclined rod 311 away from the groove rod 31 is fixedly connected to the bottom end of the base plate 1, and the connection between the groove rod 31 and the base plate 1 can be further strengthened by providing the inclined rod 311, thereby improving the structural stability of the connection between the groove rod 31 and the bottom end of the base plate 1 when the bottom end of the groove rod 31 is subjected to force.

[0034] Working principle: When using the fixing device to splice the frame of the plate heat exchanger, first lift the bottom plate 1, and insert the insertion rod 33 at the top of the pad 34 into the slot rod 31 at the four corners of the bottom plate 1 in turn. When the top of the insertion rod 33 contacts one end of the block 36 inside the rectangular slot 32, it will push the block 36 and the round rod 37 to move in the direction of the U-shaped block 38 and compress the spring 39. When the slot 35 on the outer surface of the slot rod 31 moves to the block 36, the spring 39 will return to its original state and push the round rod 37 and the block 36 to move into the rectangular slot 32, and the block 36 will be stuck in the slot 35 on the outer surface of the slot rod 31, and the insertion rod 33 will be fixed in the slot rod 31. The anti-slip rubber sheet at the bottom of the pad 34 can increase the friction when the bottom end of the pad 34 contacts the ground. Then, the middle plate of the frame is placed in the placement slot 4, and then the front plate and the rear plate are The bottom ends are respectively inserted into the interior of the two slot boxes 23, and the bolts 25 on one side of the slot box 23 are rotated to make the bolts 25 move on the inner wall of the slot box 23 to control the movement of the rectangular plate 26 to press one side against one side of the front plate and the rear plate, so that the front plate and the rear plate are fixed in the slot box 23 to limit the angle between the front plate and the rear plate. Finally, the outer surface of the grip 210 is held to push the disc 29 to rotate, and the screw 21 is controlled to rotate to make the two slot boxes 23 move in the same or opposite directions on the outer surface of the screw 21, and the sliders 24 on both sides of the slot box 23 slide on the inner walls of the sliders 24 to adjust the distance between the front plate and the rear plate, and then the top beam and the bottom beam are respectively clamped at the bottom ends of the front plate and the rear plate for installation. After the overall frame is completed, the bolts 25 are rotated to move the rectangular plate 26 to facilitate the removal of the front plate and the rear plate from the inside of the slot box 23, and the entire frame is removed from the surface of the bottom plate 1.

[0035] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model in other forms. Any person skilled in the art may use the technical content disclosed above to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present utility model, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present utility model still fall within the protection scope of the technical solution of the present utility model. In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific situations.

Claims

1. A fixing device for a detachable plate heat exchanger frame, comprising a bottom plate (1), characterized in that: A placement groove (4) is provided at the top end of the bottom plate (1), and a positioning device (2) is provided on the outer surface of the bottom plate (1). The positioning device (2) includes a screw rod (21). Opposite-threaded portions are provided on the outer surface of the screw rod (21). Both ends of the screw rod (21) are rotatably connected to both ends of the inner wall of the bottom plate (1). Two groove boxes (23) are threadedly connected to the outer surface of the screw rod (21). Slide grooves (22) are provided on both sides of the inner wall of the bottom plate (1). Slide blocks (24) are fixedly connected to both sides of the groove box (23). The outer surface of the slide block (24) slides on the inner wall of the slide groove (22). A bolt (25) is threadedly connected to one side of the inner wall of the groove box (23). One end of the bolt (25) is rotatably connected to a rectangular plate (26). The bottom end of the rectangular plate (26) slides on the inner wall of the groove box (23).

2. The fixing device of a detachable plate heat exchanger frame according to claim 1, characterized in that: A number of rectangular strips (27) are fixedly connected to one side of the rectangular plate (26). The rectangular strips (27) are linearly distributed on one side of the rectangular plate (26). The rectangular strips (27) are made of rubber material.

3. The fixing device for a detachable plate heat exchanger frame according to claim 2, characterized in that: Positioning blocks (28) are fixedly connected to both sides of the groove box (23). The bottom end of the positioning block (28) slides on the top end of the bottom plate (1).

4. The fixing device of a detachable plate heat exchanger frame according to claim 3, characterized in that: One end of the screw rod (21) is fixedly connected to a disc (29). A grip rod (210) is rotatably connected to one side of the disc (29).

5. The fixing device for a detachable plate heat exchanger frame according to claim 4, characterized in that: Auxiliary devices (3) are respectively provided at the four corners of the bottom end of the bottom plate (1). The auxiliary device (3) includes a groove rod (31). The top end of the groove rod (31) is fixedly connected to the bottom end of the bottom plate (1). U-shaped blocks (38) are fixedly connected to both sides of the groove rod (31). A rectangular groove (32) is provided inside the groove rod (31). A plug rod (33) is slidably inserted into the inner wall of the rectangular groove (32). Card slots (35) are provided on both sides of the plug rod (33). Round rods (37) are slidably connected to both sides of the inner wall of the rectangular groove (32). A clamping block (36) is fixedly connected to one end of the round rod (37). A spring (39) is provided on one side of the round rod (37). Both ends of the spring (39) are respectively fixedly connected to one side of the round rod (37) and one side of the inner wall of the U-shaped block (38). A cushion block (34) is fixedly connected to the bottom end of the plug rod (33). An anti-slip rubber sheet is provided at the bottom end of the cushion block (34).

6. The fixing device of a detachable plate heat exchanger frame according to claim 5, characterized in that: The inner diameter of the spring (39) is slightly larger than the diameter of the round rod (37). The round rod (37) is located inside the spring (39).

7. The fixing device of a detachable plate heat exchanger frame according to claim 6, characterized in that: Two grooves (310) are provided on the outer surface of the cushion block (34). The two grooves (310) are respectively located on both sides of the outer surface of the cushion block (34).

8. The fixing device of a detachable plate heat exchanger frame according to claim 6, characterized in that: An inclined rod (311) is fixedly connected to one side of the groove rod (31). The end of the inclined rod (311) away from the groove rod (31) is fixedly connected to the bottom end of the bottom plate (1).

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