阅读说明：本技术 板式换热器接管装配结构 (Plate heat exchanger connecting pipe assembling structure ) 是由 唐春云 于 2020-05-13 设计创作，主要内容包括：本发明属于换热器技术领域,尤其为板式换热器接管装配结构,包括第一接管、第二接管,第一接管和第二接管的一端均固定连接有连接件,连接件的前端分别固定连接有第一法兰盘和第二法兰盘,第一法兰盘和第二法兰盘上均开设有连接孔,连接孔的内部插设有第一锁定件,第一法兰盘的内部开设有第一限位槽,第一限位槽的内部插设有第二锁定件,第一限位槽与连接孔相贯通。本发明通过设置的第一法兰盘、第二法兰盘、连接孔、第一锁定件、第一操作块、限位孔、第二锁定件、第一限位槽、第二操作块、第一滑槽等的配合使用,装配较为方便,拆卸也较为方便,并且通过第二锁定件对第一锁定件进行锁定,保证连接的可靠性。(The invention belongs to the technical field of heat exchangers, and particularly relates to a connecting pipe assembling structure of a plate heat exchanger, which comprises a first connecting pipe and a second connecting pipe, wherein one end of the first connecting pipe and one end of the second connecting pipe are fixedly connected with a connecting piece, the front end of the connecting piece is respectively and fixedly connected with a first flange and a second flange, the first flange and the second flange are respectively provided with a connecting hole, a first locking piece is inserted into the connecting hole, a first limiting groove is formed in the first flange, a second locking piece is inserted into the first limiting groove, and the first limiting groove is communicated with the connecting hole. The first flange plate, the second flange plate, the connecting hole, the first locking piece, the first operation block, the limiting hole, the second locking piece, the first limiting groove, the second operation block, the first sliding groove and the like are matched for use, so that the assembly is convenient, the disassembly is convenient, and the first locking piece is locked by the second locking piece, so that the reliability of connection is ensured.)

1. Plate heat exchanger takes over assembly structure, takes over (2) including first takeover (1), second, its characterized in that: one end of each of the first connecting pipe (1) and the second connecting pipe (2) is fixedly connected with a connecting piece (3), the front end of the connecting piece (3) is respectively and fixedly connected with a first flange plate (4) and a second flange plate (5), the first flange plate (4) and the second flange plate (5) are both provided with connecting holes (6), a first locking piece (7) is inserted in the connecting hole (6), a first limiting groove (11) is formed in the first flange plate (4), a second locking piece (10) is inserted in the first limiting groove (11), the first limiting groove (11) is communicated with the connecting hole (6), the side wall of the first locking piece (7) close to the notch of the first limiting groove (11) is provided with a limiting hole (9), one end of the second locking piece (10) penetrates through the notch of the first limiting groove (11), extends into the limiting hole (9) and is in sliding contact with the hole wall of the limiting hole (9).

2. A plate heat exchanger nozzle assembly structure according to claim 1, wherein: first slider (14) of fixedly connected with on the inside wall of first locking piece (7) is kept away from in first spacing groove (11), first spout (13) have been seted up to the both sides of second locking piece (10), the cell wall one end that first slider (14) kept away from first spacing groove (11) passes the groove top of first spout (13) and extends to the tank bottom of first spout (13).

3. A plate heat exchanger nozzle assembly structure according to claim 2, wherein: the bottom fixedly connected with dead lever (16) of first spout (13), smooth chamber (15) have been seted up to the inside of first slider (14), dead lever (16) are kept away from the bottom one end of first spout (13) and are passed the notch of smooth chamber (15) and extend to the inside of smooth chamber (15), fixedly connected with spring (17) between the accent of smooth chamber (15) and the bottom of first spout (13), spring (17) encircle the outside that sets up at dead lever (16).

4. A plate heat exchanger nozzle assembly structure according to claim 1, wherein: second spacing groove (18) have been seted up to the inner wall symmetry of first spacing groove (11), sliding connection has stopper (19) in second spacing groove (18), the tank bottom one end that second spacing groove (18) were kept away from in stopper (19) passes the notch of second spacing groove (18) and with second locking piece (10) fixed connection.

5. Plate heat exchanger nozzle assembly according to claim 4, wherein: the ball groove (20) have been seted up to stopper (19) tank bottom one end that is close to second spacing groove (18), the inside roll connection in ball groove (20) has stainless steel ball (21), the tank bottom one end that ball groove (20) were kept away from in stainless steel ball (21) passes the notch in ball groove (20) and outwards extends to the tank bottom rolling contact with second spacing groove (18).

6. A plate heat exchanger nozzle assembly structure according to claim 1, wherein: the one end fixedly connected with first operation piece (8) of first locking piece (7), one end fixedly connected with second operation piece (12) of first spacing groove (11) are kept away from in second locking piece (10), the surface of first operation piece (8) and second operation piece (12) is all covered with anti-skidding line.

7. A plate heat exchanger nozzle assembly structure according to claim 1, wherein: the number of the first locking pieces (7) and the number of the second locking pieces (10) are four, and the four groups of the first locking pieces (7) and the four groups of the second locking pieces (10) are distributed in a ring array.

Technical Field

The invention relates to the technical field of heat exchangers, in particular to a connecting pipe assembling structure of a plate heat exchanger.

Background

The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied. The plate heat exchanger is a high-efficiency heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes. Thin rectangular channels are formed between the various plates through which heat is exchanged. The plate heat exchanger is an ideal device for heat exchange of liquid-liquid and liquid-vapor. The heat exchanger has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small occupied area, wide application, long service life and the like. Under the condition of the same pressure loss, the heat transfer coefficient of the heat exchanger is 3-5 times higher than that of the tubular heat exchanger, the occupied area of the heat exchanger is one third of that of the tubular heat exchanger, and the heat recovery rate can reach more than 90 percent. When current plate heat exchanger is connected with the takeover, mainly adopt flange joint's mode, and present pipeline flange is mostly through bolt fixed connection, and the takeover of heat exchanger can consume the user a large amount of time when carrying out the installation of flange and dismantling like this to lead to taking over the problem that inconvenient dismantlement appears in the assembly, bring great inconvenience for the user.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a connecting pipe assembling structure of a plate heat exchanger, which solves the problems that the connecting pipe assembling is inconvenient for a user and the user is greatly inconvenient because the connecting pipe of the heat exchanger consumes a large amount of time of the user when the connecting pipe of the heat exchanger is installed and disassembled because the existing flange of a pipeline is mostly fixedly connected through bolts when the existing plate heat exchanger is connected with the connecting pipe.

In order to achieve the purpose, the invention provides the following technical scheme: plate heat exchanger takeover assembly structure, including first takeover, second takeover, the equal fixedly connected with connecting piece of one end that first takeover and second takeover, the front end of connecting piece is the first ring flange of fixedly connected with and second ring flange respectively, the connecting hole has all been seted up on first ring flange and the second ring flange, the inside of connecting hole is inserted and is equipped with first locking piece, first spacing groove has been seted up to the inside of first ring flange, the inside in first spacing groove is inserted and is equipped with the second locking piece, first spacing groove link up with the connecting hole mutually, spacing hole has been seted up on the lateral wall that first locking piece is close to first spacing groove notch, the one end of second locking piece passes the notch in first spacing groove and extends to the inside in spacing hole and with the sliding contact in spacing hole.

As a preferred technical solution of the present invention, a first sliding block is fixedly connected to an inner side wall of the first limiting groove far from the first locking member, first sliding grooves are formed at two sides of the second locking member, and one end of a groove wall of the first sliding block far from the first limiting groove penetrates through a groove top of the first sliding groove and extends to a groove bottom of the first sliding groove.

As a preferred technical solution of the present invention, a fixed rod is fixedly connected to the bottom of the first sliding chute, a sliding cavity is formed inside the first sliding block, one end of the fixed rod, which is far away from the bottom of the first sliding chute, passes through a notch of the sliding cavity and extends into the sliding cavity, a spring is fixedly connected between a cavity opening of the sliding cavity and the bottom of the first sliding chute, and the spring is disposed around the outside of the fixed rod.

As a preferred technical scheme of the invention, the inner wall of the first limiting groove is symmetrically provided with second limiting grooves, the second limiting grooves are connected with limiting blocks in a sliding manner, and one ends of the limiting blocks, which are far away from the bottom of the second limiting grooves, penetrate through the notches of the second limiting grooves and are fixedly connected with the second locking pieces.

According to a preferable technical scheme of the invention, a ball groove is formed in one end, close to the second limiting groove, of the limiting block, a stainless steel ball is connected inside the ball groove in a rolling manner, and one end, far away from the ball groove, of the stainless steel ball penetrates through a groove opening of the ball groove and extends outwards to be in rolling contact with the groove bottom of the second limiting groove.

As a preferable technical solution of the present invention, one end of the first locking member is fixedly connected with a first operation block, one end of the second locking member, which is far away from the first limiting groove, is fixedly connected with a second operation block, and the outer surfaces of the first operation block and the second operation block are both covered with anti-slip threads.

As a preferred technical solution of the present invention, the number of the first locking members and the second locking members is four, and the four sets of the first locking members and the second locking members are distributed in a circular array.

Compared with the prior art, the invention provides a connecting pipe assembling structure of a plate heat exchanger, which has the following beneficial effects:

1. the plate heat exchanger connecting pipe assembling structure is characterized in that a first flange plate, a second flange plate, a connecting hole, a first locking piece, a first operation block, a limiting hole, a second locking piece, a first limiting groove, a second operation block, a first sliding groove, a first sliding block, a sliding cavity, a fixed rod and a spring are matched for use, when the first connecting pipe and the second connecting pipe are assembled, the second operation block is pulled and the second locking piece is driven to move in the first limiting groove, then the first sliding block can slide in the first sliding groove in the moving process, the fixed rod is relatively enabled to compress the spring in the sliding cavity to move until one end of the second locking piece completely exits from the connecting hole, the second operation block is pulled to be not loosened, the first locking piece is simultaneously inserted into the connecting hole of the locking piece until the end of the second locking piece corresponds to the limiting hole, and then the second operation block is loosened, because the spring is compressed, under the elastic action of the spring, the end part of the second locking part extends into the limiting hole on the first locking part, so that the first locking part is stably fixed in the connecting hole, the flanges are connected by adopting the insertion fit between the two connecting parts, the assembly is more convenient, the disassembly is more convenient, and the first locking part is locked by the second locking part, so that the connection reliability is ensured;

2. this plate heat exchanger takes over assembly structure, through the second spacing groove that sets up, stopper, ball groove, stainless steel ball, when the second locking piece removes, can be by the stopper gliding more stable and not rocking in the second spacing groove, stainless steel ball rolls at the second spacing inslot simultaneously for sliding friction becomes rolling friction, and frictional resistance diminishes, and then makes the stopper slide more smoothly in the second spacing inslot.

Drawings

FIG. 1 is a schematic overall structure diagram of a pipe connection assembly structure of a plate heat exchanger according to the present invention;

FIG. 2 is an enlarged view of A of the pipe connection assembly structure of the plate heat exchanger of the present invention;

FIG. 3 is an enlarged view of a pipe connection assembly structure B of the plate heat exchanger according to the present invention;

FIG. 4 is an enlarged view of the pipe joint assembly structure C of the plate heat exchanger according to the present invention;

fig. 5 is a side view of the pipe joint assembly structure of the plate heat exchanger according to the present invention.

In the figure: 1. a first adapter tube; 2. a second adapter tube; 3. a connecting member; 4. a first flange plate; 5. a second flange plate; 6. connecting holes; 7. a first locking member; 8. a first operation block; 9. a limiting hole; 10. a second locking member; 11. a first limit groove; 12. a second operation block; 13. a first chute; 14. a first slider; 15. a slide chamber; 16. fixing the rod; 17. a spring; 18. a second limit groove; 19. a limiting block; 20. a ball groove; 21. stainless steel ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, in this embodiment: a plate heat exchanger connecting pipe assembly structure comprises a first connecting pipe 1 and a second connecting pipe 2, wherein one end of each of the first connecting pipe 1 and the second connecting pipe 2 is fixedly connected with a connecting piece 3, the front end of each connecting piece 3 is respectively fixedly connected with a first flange plate 4 and a second flange plate 5, each of the first flange plate 4 and the second flange plate 5 is provided with a connecting hole 6, a first locking piece 7 is inserted into each connecting hole 6, a first limiting groove 11 is formed in each first flange plate 4, a second locking piece 10 is inserted into each first limiting groove 11, each first limiting groove 11 is communicated with each connecting hole 6, a limiting hole 9 is formed in the side wall, close to the notch of each first limiting groove 11, of each first locking piece 7, one end of each second locking piece 10 penetrates through the notch of each first limiting groove 11 and extends into the limiting hole 9 to be in sliding contact with the hole wall of each limiting hole 9, and flanges are connected by adopting the inserting fit between the two connecting pieces 3, the assembly is convenient, the disassembly is also convenient, and the first locking part 7 is locked through the second locking part 10, so that the reliability of the connection is ensured.

In this embodiment, a first sliding block 14 is fixedly connected to an inner side wall of the first limiting groove 11, which is far away from the first locking member 7, two sides of the second locking member 10 are provided with first sliding grooves 13, one end of the first sliding block 14, which is far away from the groove wall of the first limiting groove 11, passes through a groove top of the first sliding groove 13 and extends to a groove bottom of the first sliding groove 13, a fixing rod 16 is fixedly connected to a bottom of the first sliding groove 13, a sliding cavity 15 is formed inside the first sliding block 14, one end of the fixing rod 16, which is far away from the bottom of the first sliding groove 13, passes through a notch of the sliding cavity 15 and extends to the inside of the sliding cavity 15, a spring 17 is fixedly connected between an opening of the sliding cavity 15 and the bottom of the first sliding groove 13, the spring 17 is arranged around an outer portion of the fixing rod 16, when the first connecting pipe 1 and the second connecting pipe 2 are assembled, the second operating block 12 is pulled to drive the second locking member 10 to move in the first limiting groove 11, and then the first sliding block 14 slides in the first sliding groove 13 in the moving process, relatively enabling the fixed rod 16 to compress the spring 17 in the sliding cavity 15 to move until one end of the second locking piece 10 completely exits the connecting hole 6, at the moment, dragging the second operating block 12 to be not loosened, simultaneously inserting the first locking piece 7 into the connecting hole 6 until the end of the second locking piece 10 corresponds to the limiting hole 9, then loosening the second operating block 12, and because the spring 17 is compressed, under the elastic action of the spring 17, the end of the second locking piece 10 extends into the limiting hole 9 on the first locking piece 7, so that the first locking piece 7 is stably fixed in the connecting hole 6; the inner wall of the first limit groove 11 is symmetrically provided with a second limit groove 18, a limit block 19 is connected in the second limit groove 18 in a sliding way, one end of the groove bottom of the limit block 19 far away from the second limit groove 18 passes through the notch of the second limit groove 18 and is fixedly connected with the second locking piece 10, when the second locking piece 10 moves, the second locking piece can slide in the second limiting groove 18 more stably without shaking by the limiting block 19, a ball groove 20 is formed at one end of the limiting block 19 close to the bottom of the second limiting groove 18, a stainless steel ball 21 is connected in the ball groove 20 in a rolling manner, one end of the stainless steel ball 21, far away from the ball groove 20, at the bottom of the ball groove 20 penetrates through the notch of the ball groove 20 and extends outwards to be in rolling contact with the bottom of the second limiting groove 18, meanwhile, the stainless steel ball 21 rolls in the second limiting groove 18, so that sliding friction is changed into rolling friction, the friction resistance is reduced, and the limiting block 19 slides more smoothly in the second limiting groove 18; one end of the first locking piece 7 is fixedly connected with a first operation block 8, one end of the second locking piece 10, which is far away from the first limiting groove 11, is fixedly connected with a second operation block 12, and anti-skid lines are uniformly distributed on the outer surfaces of the first operation block 8 and the second operation block 12, so that the use of an operator is facilitated, and the phenomenon of hand skidding is prevented; the quantity of first locking piece 7 and second locking piece 10 is four groups, and four groups of first locking piece 7 and second locking piece 10 are annular array and distribute, adopt the grafting cooperation between two connecting pieces 3 to connect the flange, it is comparatively convenient to assemble, it is also comparatively convenient to dismantle, and lock first locking piece 7 through second locking piece 10, guarantee the reliability of connecting

The working principle and the using process of the invention are as follows: when the first connecting pipe 1 and the second connecting pipe 2 are assembled, the second operating block 12 is pulled to drive the second locking piece 10 to move in the first limiting groove 11, then the first sliding block 14 slides in the first sliding groove 13 in the moving process, the fixed rod 16 is relatively enabled to compress the spring 17 in the sliding cavity 15 to move until one end of the second locking piece 10 completely exits from the connecting hole 6, at the moment, the second operating block 12 is pulled to be unreleased, the first locking piece 7 is inserted into the connecting hole 6 until the end of the second locking piece 10 corresponds to the limiting hole 9, then the second operating block 12 is released, as the spring 17 is compressed, under the elastic action of the spring 17, the end of the second locking piece 10 extends into the limiting hole 9 on the first locking piece 7, so that the first locking piece 7 is stably fixed in the connecting hole 6, and when the second locking piece 10 moves, can be by stopper 19 gliding more stable and do not rock in second spacing inslot 18, stainless steel ball 21 rolls in second spacing inslot 18 simultaneously, make sliding friction become rolling friction, frictional resistance diminishes, and then make stopper 19 slide more smoothly in second spacing inslot 18, adopt the grafting cooperation between two connecting pieces 3 to connect the flange, it is comparatively convenient to assemble, it is also comparatively convenient to dismantle, and lock first locking piece 7 through second locking piece 10, guarantee the reliability of connecting.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.