CN212962944U

CN212962944U - Stainless steel sleeve heat exchanger with universal joint

Info

Publication number: CN212962944U
Application number: CN202020738335.4U
Authority: CN
Inventors: 曾敏睿
Original assignee: Guangdong Best Pipe Industry Technology Co ltd
Current assignee: Guangdong Best Pipe Industry Technology Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2021-04-13
Anticipated expiration: 2030-05-07

Abstract

The utility model discloses a nonrust steel sleeve heat exchanger with universal joint, including the double pipe heat exchanger body, the double pipe heat exchanger body is including first internal flow pipeline and the cover second internal flow pipeline outside first internal flow pipeline, first internal flow pipeline and second internal flow pipeline tip are provided with the pipeline end respectively, the pipeline end of first internal flow pipeline and second internal flow pipeline is provided with universal joint, be provided with enclosed construction between universal joint and the pipeline end, the utility model discloses a heat exchanger interface is universal setting, can effectually avoid the water delivery rubber tube crooked, guarantees that the interface can dock smoothly, has avoided the water delivery rubber tube to bend and the pipe closure, guarantees that liquid smoothly flows, guarantees the job stabilization nature and the quality of heat exchanger like this.

Description

Stainless steel sleeve heat exchanger with universal joint

Technical Field

The utility model particularly relates to a heat exchanger connects.

Background

The double-pipe heat exchanger is a common heat exchange device, is widely applied to refrigeration equipment, is a concentric sleeve formed by connecting two standard pipes with different sizes, namely comprises an outer pipe and an inner pipe which are concentrically arranged at intervals, and two different media flow between the inner pipe and the outer pipe and the inner pipe to achieve the effect of heat exchange.

Generally, the heat exchanger can be used in an air conditioning unit, wherein a refrigerant is introduced into an inner pipe, water flow is introduced between the inner pipe and an outer pipe, and the inner pipe and the outer pipe exchange heat through heat conduction.

The heat exchanger can also be used in chemical equipment in chemical plants, has various types and different characteristics, and can be selected according to the requirements of production processes.

Heat exchangers are devices for indirectly exchanging heat between cold and hot fluids.

Because the heat exchanger interface inside the equipment carries out liquid transportation through the water delivery rubber tube, the water delivery rubber tube bending can appear to the interface is difficult to the butt joint, leads to the water delivery rubber tube to bend easily, thereby leads to the pipeline to seal, and liquid can't flow, has so seriously reduced the quality of heat exchanger.

Thus, the existing heat exchanger joint is further improved.

Disclosure of Invention

The utility model aims at providing a stainless steel sleeve heat exchanger with universal joint.

In order to achieve the above purpose, the utility model adopts the following scheme:

the utility model provides a nonrust steel sleeve heat exchanger with universal joint, includes the double pipe heat exchanger body, the double pipe heat exchanger body is including first internal flow pipeline and the second internal flow pipeline of cover outside first internal flow pipeline, first internal flow pipeline and second internal flow pipeline tip are provided with the pipeline end respectively, the pipeline end of first internal flow pipeline and second internal flow pipeline is provided with universal joint, be provided with enclosed construction between universal joint and the pipeline end.

Furthermore, the universal joint comprises an opening ball sleeve arranged on the pipeline end, a rotating ball is arranged in the opening ball sleeve in a rotating mode, and a conveying through hole is formed in the rotating ball in a mode that one surface penetrates through the rotating ball to the other surface.

Further, the opening is arranged above the opening ball sleeve, and the diameter of the opening is smaller than the maximum diameter of the rotating ball.

Further, the conveying through hole penetrates through the center of the rotating ball.

Furthermore, the outer end of the conveying through hole is provided with a water pipe connector.

Furthermore, the closed structure comprises an annular groove arranged along the outer wall of the rotating ball, and an annular sealing ring attached to the inner wall of the opening ball sleeve is arranged in the annular groove.

Further, the axes of the annular groove and the conveying through hole are the same.

The annular sealing ring is arranged elastically, and the surface of the annular sealing ring is provided with corrugated teeth.

To sum up, the utility model discloses for its beneficial effect of prior art is:

the utility model discloses a heat exchanger interface is universal setting, can effectually avoid the water delivery rubber tube crooked, guarantees that the interface can dock smoothly, has avoided the water delivery rubber tube to bend and the pipeline seals, guarantees that liquid smoothly flows, guarantees the stability and the quality of the work of heat exchanger like this.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a rear perspective view of the fin mounting structure of the present invention;

FIG. 3 is a schematic perspective view of the present invention;

FIG. 4 is a schematic front view of the present invention;

fig. 5 is a second principle state front view of the present invention;

fig. 6 is a sectional view taken along line a-a of the present invention;

fig. 7 is one of the cross-sectional views of the internal structure of the present invention;

fig. 8 is a partial enlarged view of the position B of the present invention;

fig. 9 is a second cross-sectional view of the internal structure of the present invention;

fig. 10 is a partial enlarged view of the point C of the present invention;

fig. 11 is one of exploded views of the present invention;

fig. 12 is a partial enlarged view of the utility model at position D;

fig. 13 is a partial enlarged view of the position E of the present invention;

fig. 14 is a second exploded view of the present invention;

fig. 15 is a partial enlarged view of the utility model at the position F;

fig. 16 is a schematic view of the through hole and the driving middle shaft structure of the present invention;

FIG. 17 is a perspective view of the second embodiment of the synchronous drive mechanism of the present invention;

fig. 18 is an exploded view of a second embodiment of the synchronous drive mechanism of the present invention;

FIG. 19 is a third perspective view of an embodiment of the synchronous drive mechanism of the present invention;

fig. 20 is an exploded view of a third embodiment of the synchronous drive mechanism of the present invention;

fig. 21 is a schematic view of the universal joint structure of the present invention;

fig. 22 is a partial enlarged view of the utility model at G;

fig. 23 is a perspective view of the heat conducting structure of the present invention;

fig. 24 is a partial enlarged view of the utility model at the position H;

fig. 25 is a schematic view of the structure of the heat-conducting fin of the present invention.

The reference numbers illustrate: 1. a double pipe heat exchanger body; 2. a helical flight bar; 3. a sealing structure; 4. a synchronous drive mechanism; 5. a connecting mechanism; 6. a locking mechanism; 7. a telescopic pipe sleeve; 101. a first inner flow conduit; 102. a second inner flow conduit; 103. a first water inlet; 104. A first water outlet; 105. a second water inlet; 106. a second water inlet 201 and an auxiliary pipe; 204. a middle shaft lever; 205. a thread groove; 301. an annular fixed seat; 302. a seal ring groove; 303. A seal ring; 401. a fixed seat; 402. a turntable base; 403. a rotating part; 404. rotating the disc; 405. a swing lever; 406. a transverse rail; 407. a slider; 408. a first hinge shaft; 409. A second hinge shaft; 410. a connecting rod; 501. a longitudinal rod; 502 transverse bar, 601, internal thread; 602. a drive central shaft; 603. a through hole; 604. an external thread; 605. adjusting a knob; 605. Twisting the ears; 701. a semi-arc shaped baffle; 702. a water outlet; 703. fixing the arc-shaped plate; 704. A movable arc-shaped baffle plate; 705. a notch; 706. a movable plate; 4011. a screw mounting seat; 4012. A forward thread insert; 4013. a reverse threaded sleeve; 4014. rotating the screw; 4015. a forward screw; 4016. a reverse screw; 4017. a limiting mechanism; 4018. a limiting ring; 4019. a stirring handle; 4021. a screw rotating seat; 4022. a passive hinge mount; 4024. rotating the screw; 4025. driving the threaded sleeve; 4026. driving the hinged seat; 4027. a drive link; 4029. a stirring handle; 4030. An axial limiting mechanism; 4031. a limiting groove; 1001. a universal joint; 1002. a closed structure; 1003. an open ball sleeve; 1004. rotating the ball; 1005. a delivery through hole; 1006. a water pipe connector; 1007. an annular groove; 1008. an annular seal ring; 1009. a corrugated tooth; 2001. a transverse duct; 2002. the arc-shaped connecting pipeline; 2003. a heat conducting structure; 2004. heat-conducting fins; 2005. A heat conducting ring; 2006. a heat conducting rod; 2007. a heat conducting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-25, the present invention provides a technical solution:

the utility model provides a stainless steel sleeve heat exchanger, including double pipe heat exchanger body 1, double pipe heat exchanger body 1 is including first inner flow pipeline 101 and the second inner flow pipeline 102 of cover outside first inner flow pipeline 101, extends to the outside activity of double pipe heat exchanger body 1 and is provided with many spiral stroke poles 2 that can change rivers flow length in double pipe heat exchanger body 1 last synchronous drive mechanism 4 that can drive many spiral stroke poles 2 and stretch out and draw back of synchronization be provided with in synchronous drive mechanism 4 can prevent the locking mechanism 6 of the 4 rotations of synchronous drive mechanism.

The utility model discloses a theory of operation does:

the first or second

inner flow pipe

101 or 102 is connected to a cold water interface, and the other flow pipe is connected to a hot water interface, for example: in the using process, the cold water flow passes through the first internal flow pipeline 101, the second internal flow pipeline 102 is sleeved outside the first internal flow pipeline 101, the heat of the second internal flow pipeline 102 is transferred into the fluid of the first internal flow pipeline 101 through heat conduction, so that the temperature conversion is realized, and the temperature rising in the first internal flow pipeline 101 is higher as the heat transfer time is longer, so that the temperature is changed by changing the traveling time of the fluid in the first internal flow pipeline 101 with the specified specification;

if need change the temperature, then drive the spiral stroke pole 2 of first internal flow pipeline 101 both sides through adjusting synchronous drive mechanism 4 and draw close each other or expand each other and change the stroke, change and form the principle and do: the transverse straight-flow pipeline in the first inner flow pipeline 101 is switched into a spiral type spiral pipeline, so that fluid flows spirally along the path of the spiral pipeline in the spiral pipeline, the flow path is increased, the temperature is changed, and the fluid stroke is adjusted by increasing the spiral pipeline in the first inner flow pipeline 101;

the first inner flow pipeline 101 is S-shaped, and is respectively composed of a plurality of bent channels and a plurality of straight channels, and the spiral stroke rod 2 is movably arranged in the straight channels to move left and right;

meanwhile, how fast heat conduction fins can be arranged outside the first inner flow pipeline 101, so that the temperatures in the second inner flow pipelines 102 in different stroke sections are consistent, and the heat exchange effect is better.

The stability of the synchronous driving mechanism 4 can be ensured through the locking mechanism 6, the synchronous driving mechanism 4 is prevented from rotating in the using process, and the locking mechanism 6 has a self-locking effect on the synchronous driving mechanism 4.

The universal joint of the stainless steel sleeve heat exchanger comprises a sleeve heat exchanger body 1, wherein the sleeve heat exchanger body 1 comprises a first inner flow pipeline 101 and a second inner flow pipeline 102 sleeved outside the first inner flow pipeline 101, pipeline ends are respectively arranged at the end parts of the first inner flow pipeline 101 and the second inner flow pipeline 102, universal joints 1001 are arranged at the pipeline ends of the first inner flow pipeline 101 and the second inner flow pipeline 102, a closed structure 1002 is arranged between the universal joints 1001 and the pipeline ends, each universal joint 1001 comprises an opening ball sleeve 1003 arranged at the pipeline end, a rotary ball 1004 is rotatably arranged in the opening ball sleeve 1003, a conveying through hole 1005 is arranged in the rotary ball 1004 and penetrates through the rotary ball from one surface to the other surface, an opening is arranged above the opening ball sleeve 1003, the opening diameter is smaller than the maximum diameter of the rotary ball 1004, and the conveying through hole 1005 penetrates through the center of the rotary ball 1004, the outer end of the conveying through hole 1005 is provided with a water pipe connector 1006, the sealing structure 1002 comprises an annular groove 1007 arranged along the outer wall of the rotary ball 1004, an annular sealing ring 1008 attached to the inner wall of the opening ball sleeve 1003 is arranged in the annular groove 1007, and the annular groove 1007 and the shaft center of the conveying through hole 1005 are the same. The annular sealing ring 1008 is elastically arranged, and the surface of the annular sealing ring is provided with corrugated teeth 1009;

the during operation, because the heat exchanger is used for different equipment, the angle of kneck need be adjusted, rotate in opening ball cover 1003 through rotatory swivel ball 1004 this moment, rotate the angle swing that the in-process realized water piping connection head 1006, change position, simultaneously because the existence of ring seal 1008, and opening ball cover 1003 surface interference fit, can also guarantee the leakproofness when strengthening stability, ripple tooth 1009 sets up the purpose and is for further sealed effect of enhancement, realize the purpose that the multilayer is sealed.

A heat conduction structure of a stainless steel sleeve heat exchanger comprises a sleeve heat exchanger body 1, wherein the sleeve heat exchanger body 1 comprises a first inner flow pipeline 101 and a second inner flow pipeline 102 sleeved outside the first inner flow pipeline 101, the first inner flow pipeline 101 is arranged in a bent shape, the first inner flow pipeline 101 comprises a plurality of transverse pipelines 2001, an arc-shaped connecting pipeline 2002 is arranged between every two adjacent transverse pipelines 2001, a heat conduction structure 2003 is connected between every two transverse pipelines 2001, a plurality of heat conduction fins 2004 are sleeved outside the plurality of transverse pipelines 2001, the heat conduction structure 2003 comprises heat conduction rings 2005 which are respectively arranged on two adjacent transverse pipelines 2001, the heat conduction rings 2005 are correspondingly sleeved outside the transverse pipelines 2001, a heat conduction rod 2006 is arranged between every two adjacent heat conduction rings 2005, and a yielding hole 2007 which can yield the second inner flow pipeline 102 is arranged on each heat conduction fin 2004, the heat conduction fins 2004 are uniformly distributed on the first inner flow pipeline 101 and are transversely and uniformly distributed, the heat conduction rings 2005 and the heat conduction rods 2006 are made of metal materials, the metal materials are copper and aluminum, and the arc-shaped connection pipeline 2002 is communicated with the transverse pipeline 2001.

The first internal flow pipeline 101 of the utility model is in an S-shaped arrangement, and the two ends of the first internal flow pipeline 101 are respectively provided with a first water inlet 103 and a first water outlet 104, the second internal flow pipeline 102 is arranged along the path of the first internal flow pipeline 101 and sleeved outside the first internal flow pipeline 101, and the two ends of the second internal flow pipeline 102 are respectively provided with a second water inlet 105 and a second water inlet 106;

the first water inlet 103 and the first water outlet 104 may be provided in plurality at the end of the first inner flow pipe 101, and the second water inlet 105 and the second water inlet 106 may be provided in plurality at the end of the second inner flow pipe 102.

Each bending part of the first internal flow pipeline 101 of the utility model is provided with an auxiliary pipe 201 communicated with the inside of the first internal flow pipeline 101 at a corresponding position, the spiral stroke rod 2 passes through the auxiliary pipe 201 to move left and right inside the first internal flow pipeline 101, the spiral stroke rod 2 comprises a middle shaft rod 204 sleeved by the auxiliary pipe 201, the circumferential outer wall of the middle shaft rod 204 is provided with a thread groove 205, and a sealing structure 3 is arranged between the auxiliary pipe 201 and the spiral stroke rod 2;

in the use, because spiral stroke pole 2 stretches out and draws back in auxiliary tube 201, in order to guarantee the leakproofness between 2 outer walls of spiral stroke pole and the auxiliary tube 201 inner wall, through being provided with seal structure 3, when not influencing the flexible process of spiral stroke pole 2, guaranteed the leakproofness between them, prevent that the fluid from flowing out.

3 kind of embodiment of seal structure do: the auxiliary pipe comprises an annular fixed seat 301 arranged at the edge of an opening at the outer end of an auxiliary pipe 201, a sealing ring groove 302 is arranged on the inner wall of the annular fixed seat 301, a sealing ring 303 is fixedly arranged in the sealing ring groove 302, a telescopic pipe sleeve 7 is arranged between the annular fixed seat 301 and the outer end of a middle shaft rod 204, and the telescopic pipe sleeve 7 is sleeved outside the middle shaft rod 204;

annular fixing base 301, sealing washer 303 set up to removable formula, and the live time is long, can change according to user demand or actual conditions after ageing to guarantee the leakproofness in the pipeline, prevent that liquid from flowing out.

The utility model discloses a telescopic pipe box 7 embodiment does: comprises a semi-arc baffle plate 701 which is sleeved outside the thread groove 205 and is connected with the end part of the middle shaft rod 204, and a drain port 702 is formed at a side corresponding thereto, the drain port 702 being disposed toward an inner bent portion of the first inner flow pipe 101, the annular fixed seat 301 is fixedly provided with a fixed arc-shaped plate 703, the fixed arc-shaped plate 703 is arranged at one side opposite to the semi-arc-shaped baffle 701, the inner end edge of the fixed arc plate 703 and the annular fixed seat 301 are sealed, a plurality of movable arc baffles 704 are sequentially sleeved in the fixed arc plate 703 from large to small, wherein the innermost movable arc-shaped baffle plate 704 is fixedly connected and sealed with the outer end of the middle shaft rod 204, a movable plate 706 is transversely arranged at each of the incisions of the plurality of movable arc-shaped baffle plates 704, a plurality of notches 705 are respectively arranged on two side walls of the semi-arc baffle 701, and a plurality of movable plates 706 are arranged in the corresponding notches 705 to move left and right;

the above structural principle is as follows: half cowl 701 and fixed arc 703 are fixed setting, a plurality of activity cowl 704 are established by fixed arc 703 cover respectively by big to little, establish by big to little in proper order the cover, innermost activity cowl 704 carries out fixed connection with the well axostylus axostyle 204 of activity, in the flexible in-process of well axostylus axostyle 204, it stretches out and draws back to drive a plurality of activity cowl 704, a plurality of activity cowl 704 can be accomodate together, many notches 705 set up according to the movable track of a plurality of movable plates 706 respectively simultaneously, can also play limiting displacement simultaneously, many notches 705 guarantee the flexible smoothly of a plurality of activity cowl 704.

4 kind of embodiment of synchronous drive mechanism do: the device comprises a fixed seat 401 arranged on the outer wall of the second inner flow pipeline 102, wherein a turntable seat 402 is arranged on the fixed seat 401, a rotating part 403 is rotationally arranged in the turntable seat 402, a rotating disc 404 is connected onto the rotating part 403, two swinging rods 405 are arranged on the circumferential outer wall of the rotating disc 404 in the radial direction of the rotating disc 404, the two swinging rods 405 are oppositely arranged, two lateral walls of the fixed seat 401 are respectively provided with a transverse track 406, a sliding block 407 is movably arranged in each transverse track 406, a connecting mechanism 5 capable of driving all the middle shaft rods 204 on the corresponding side to synchronously move is arranged on each sliding block 407, a first hinge shaft 408 is respectively arranged on each sliding block 407, two second hinge shafts 409 are respectively arranged on each swinging rod 405, and a connecting rod 410 is hinged between each first hinge shaft 408 and the second hinge shaft 409 on the corresponding side;

the above structural principle is as follows:

through twisting the rotating disc 404, the rotating disc 404 drives two swing rods 405 arranged oppositely to swing in the rotating process, the swing rods 405 drive the connecting rods 410 to move in the swinging process, the connecting mechanism 5 is pulled to move left and right in the transverse track 406 in the moving process, and the connecting mechanism 5 synchronously drives the spiral stroke rods 2 on one side of the parallel level, so that the purpose of synchronous adjustment is realized.

A second embodiment of the synchronous drive 4 is:

the utility model discloses a synchronous driving mechanism of stainless steel sleeve heat exchanger, including sleeve type heat exchanger body 1, extend to sleeve type heat exchanger body 1 both sides activity in sleeve type heat exchanger body 1 and be provided with many spiral stroke poles 2 that can change the length of rivers flow, be provided with on the sleeve type heat exchanger body 1 and drive many spiral stroke poles 2 flexible synchronous driving mechanism 4 synchronously; the utility model discloses synchronous driving mechanism 4 sets up the screw rod mount pad 4011 at bushing type heat exchanger body 1 middle part including the activity, screw rod mount pad 4011 both sides are provided with horizontal track 406, each activity is provided with slider 407 in the horizontal track 406, is provided with coupling mechanism 5 between the spiral stroke pole 2 of one side and the slider 407 of corresponding one side, is provided with forward swivel nut 4012 and reverse swivel nut 4013 on the slider 407 of both sides respectively, rotating screw 4014 has been alternate in the screw rod mount pad 4011, rotating screw 4014 divides into forward screw 4015 and reverse screw 4016, forward screw 4015 and forward swivel nut 4012 threaded connection, reverse screw 4016 and reverse swivel nut 4013 threaded connection; the screw thread directions between the positive screw sleeve 4012 and the reverse screw sleeve 4013 of the utility model are opposite; the forward threaded sleeve 4012, the reverse threaded sleeve 4013 and the screw mounting seat 4011 of the utility model are coaxially arranged; the utility model is provided with a limit mechanism 4017 at the joint of the rotating screw 4014 and the screw mounting seat 4011; the limiting mechanism 4017 of the utility model comprises two limiting rings 4018 arranged on the rotating screw 4014, wherein the two limiting rings 4018 are respectively attached to two side walls of the screw mounting seat 4011 to limit the rotating screw 4014 axially; the end part of the rotating screw 4014 of the utility model is provided with a stirring handle 4019; the spiral stroke rod 2 of the utility model comprises a middle shaft rod 204 which is inserted and moved in the transverse pipe of the double-pipe heat exchanger body 1, the outer wall of the circumference of the middle shaft rod 204 is provided with a thread groove 205, and a sealing structure 3 is arranged between the connecting positions of the double-pipe heat exchanger body 1 and the middle shaft rod 204; during operation, the rotating screw 4014 is driven to rotate through the rotating handle 4019, in the rotating process of the rotating screw 4014, as the forward screw 4015 and the reverse screw 4016 are respectively in threaded connection with the forward threaded sleeve 4012 and the reverse threaded sleeve 4013 correspondingly, at the moment, the forward threaded sleeve 4012 and the reverse threaded sleeve 4013 move in opposite directions or in opposite directions, the connecting mechanism 5 is driven to move, and the spiral stroke rod 2 synchronously moves in a transverse pipeline in the sleeve type heat exchanger body 1, so that synchronous adjustment is realized; while the two stop rings 4018 prevent the rotating screw 4014 from moving in the axial direction.

A third embodiment of the synchronous drive 4 is:

the double-pipe heat exchanger comprises a double-pipe heat exchanger body 1, a plurality of spiral stroke rods 2 capable of changing the length of a water flow path are movably arranged in the double-pipe heat exchanger body 1 and extend to two sides of the double-pipe heat exchanger body 1, a synchronous driving mechanism 4 capable of synchronously driving the spiral stroke rods 2 to stretch and retract is arranged on the double-pipe heat exchanger body 1, the synchronous driving mechanism 4 comprises a screw rotating seat 4021 movably arranged in the middle of the double-pipe heat exchanger body 1, two sides of the screw rotating seat 4021 are provided with transverse rails 406, each transverse rail 406 is movably provided with a sliding block 407, a connecting mechanism 5 is arranged between the spiral stroke rod 2 at one side and the sliding block 407 at the corresponding side, the sliding blocks 407 at two sides are respectively provided with a driven hinge seat 4022, a rotating screw 4024 is rotatably arranged in the screw installing seat 4021, and a, two sides of the driving threaded sleeve 4025 are respectively provided with a driving hinged seat 4026, a driving connecting rod 4027 is hinged between the driving hinged seat 4026 on one corresponding side and the driven hinged seat 4022, a connecting structure 5 is fixedly connected between the sliding block 407 and the plurality of spiral stroke rods 2 on one corresponding side, and the screw rotating seat 4021 is arranged perpendicular to the surface of the side wall of the sleeve type heat exchanger body 1; an agitating handle 4029 is arranged at the end of the rotating screw 4024; an axial limiting mechanism 4030 capable of limiting the rotating screw 4024 is arranged on the screw rotating seat 4021; the axial limiting mechanism 4030 comprises a limiting groove 4031 arranged on the inner wall of the screw rotating seat 4021, a limiting rotating plate 4025 is arranged at the end of the rotating screw 4024, and the limiting rotating plate 4025 is mounted in the limiting groove 4031 to rotate so as to prevent the rotating screw 4024 from moving axially; during operation, rotatory screw 4024, rotatory screw 4024 pivoted in-process, rotatory screw 4024 and drive swivel nut 4025 threaded connection, at this moment, because drive connecting rod 4027 of drive swivel nut 4025 both sides carries on spacingly, drive swivel nut 4025 can only be in the activity from top to bottom when rotatory screw 4024's rotation, drive connecting rod 4027 is strutted or tightened up through the activity from top to bottom of rotatory screw 4024, realize changing the synchronous shrink of many spiral stroke poles 2 in both sides or strut, thereby adjust the position of spiral stroke pole 2 in the double pipe heat exchanger body 1, realize changing the mesh of liquid flow.

The connecting mechanism 5 of the utility model comprises a longitudinal rod 501, the end of the middle shaft rod 204 on one side corresponding to the vertical rod 501 is flush with the surface of the longitudinal rod 501, the longitudinal rod 501 is provided with a transverse rod 502, and the transverse rod 502 is fixedly connected with the outer wall of the sliding block 407;

the purpose of synchronously driving the spiral stroke rod 2 on one side can be realized through the structure, and the operation is more convenient.

An embodiment of 6 locking mechanisms is: the rotary disc type rotary table comprises an internal thread 601 arranged on the inner wall of a rotary disc seat 402, a driving middle shaft 602 is arranged at the center of the upper surface of a rotating part 403, the cross section of the driving middle shaft 602 is non-circular, a through hole 603 is arranged at the center of a rotary disc 404, the shape of the through hole 603 is the same as that of the cross section of the driving middle shaft 602, the driving middle shaft 602 can move up and down in the through hole 603, an external thread 604 is arranged on the outer wall of the rotary disc 404, and the external thread 604 is in threaded connection with the internal thread;

through the structure, the rotation of the rotating part 403 can be effectively prevented in a normal use state, the connection strength is enhanced through the connection of the external thread 604 and the internal thread 601, the through hole 603 is penetrated through the driving central shaft 602, and the cross section of the driving central shaft 602 is non-circular, so that the through hole 603 is driven to rotate in the rotation process of the driving central shaft 602, the through hole 603 rotates to drive the rotating disc 404 to rotate, the rotating disc 404 rotates to drive the swinging rod 405 to swing, and the through hole 603 can move up and down in the driving central shaft 602;

in the use process, the twisting lug 606 is twisted to drive the adjusting knob 605 to rotate, the adjusting knob 605 drives the middle shaft 602 to rotate in the rotating process, the middle shaft 602 drives the through hole 603 to rotate, the external thread 604 and the internal thread 601 are in threaded connection, the up-and-down movement can occur in the rotating process, and meanwhile, the through hole 603 can move up and down in the middle shaft 602, so that the direction of vertical movement is ensured, and the stability is ensured.

Drive axis 602 outer end is provided with adjust knob 605, adjust knob 605 surface is provided with wrench movement ear 606.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a stainless steel sleeve heat exchanger with universal joint, including double pipe heat exchanger body (1), double pipe heat exchanger body (1) is including first internal flow pipeline (101) and cover second internal flow pipeline (102) outside first internal flow pipeline (101), first internal flow pipeline (101) and second internal flow pipeline (102) tip are provided with pipeline end, its characterized in that respectively: the pipe ends of the first inner flow pipe (101) and the second inner flow pipe (102) are provided with universal joints (1001), and a closed structure (1002) is arranged between the universal joints (1001) and the pipe ends.

2. The stainless steel sleeve heat exchanger with the universal joint as claimed in claim 1, wherein the universal joint (1001) comprises an open ball sleeve (1003) arranged on the end of the pipeline, a rotating ball (1004) is rotatably arranged in the open ball sleeve (1003), and a conveying through hole (1005) is arranged in the rotating ball (1004) and penetrates from one surface to the other surface.

3. A stainless steel sleeve heat exchanger provided with a universal joint according to claim 2, characterized in that the opening ball sleeve (1003) is opened upward and the opening diameter is smaller than the maximum diameter of the rotary ball (1004).

4. A stainless steel sleeve heat exchanger provided with a universal joint according to claim 3, wherein the delivery through hole (1005) passes through the center of the rotary ball (1004).

5. The stainless steel sleeve heat exchanger with the universal joint as claimed in claim 4, wherein the outer end of the conveying through hole (1005) is provided with a water pipe connector (1006).

6. The stainless steel sleeve heat exchanger with the universal joint according to any one of claims 2 to 5, characterized in that the closing structure (1002) comprises an annular groove (1007) arranged along the outer wall of the rotating ball (1004), and an annular sealing ring (1008) attached to the inner wall of the opening ball sleeve (1003) is arranged in the annular groove (1007).

7. The stainless steel sleeve heat exchanger provided with a universal joint according to claim 6, characterized in that the annular groove (1007) and the feed through hole (1005) are coaxial.

8. A stainless steel sleeve heat exchanger provided with a universal joint according to claim 7, characterised in that the annular sealing ring (1008) is elastically arranged and the surface is provided with corrugated teeth (1009).