CN219788243U - Fastening device for plate heat exchanger - Google Patents
Fastening device for plate heat exchanger Download PDFInfo
- Publication number
- CN219788243U CN219788243U CN202321269337.3U CN202321269337U CN219788243U CN 219788243 U CN219788243 U CN 219788243U CN 202321269337 U CN202321269337 U CN 202321269337U CN 219788243 U CN219788243 U CN 219788243U
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- China
- Prior art keywords
- gear
- heat exchanger
- sleeve
- plate
- plate heat
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- 230000007704 transition Effects 0.000 claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 241000252254 Catostomidae Species 0.000 claims description 3
- 230000009194 climbing Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to the technical field of heat exchange equipment, and particularly discloses a fastening device for a plate heat exchanger. The device comprises a flat plate and a protective cover, wherein a first gear is arranged at one end of the flat plate, a crank is arranged at the first gear, a through hole is formed in the other end of the flat plate, a protruding part is arranged in the protective cover, a support is arranged in the protruding part, a mounting plate is arranged on the support, a sleeve penetrating through the mounting plate is arranged on the mounting plate, a hexagon is arranged in the sleeve, a second gear is arranged on the sleeve, and a plurality of transition gears meshed in sequence are arranged between the first gear and the second gear; the diameter of the through hole is larger than that of the second gear; the protruding portion is provided with a through hole. According to the utility model, through the mutual engagement of the first gear, the transition gear and the second gear, the crank finally drives the sleeve to rotate, so that the fastening nut is screwed, the crank used as power is lower in position, an operator can operate by standing on the ground, the trouble of climbing up and down is avoided, and the safety factor is enhanced.
Description
Technical Field
The utility model relates to the technical field of heat exchange equipment, in particular to a fastening device for a plate heat exchanger.
Background
The plate heat exchanger is a high-efficiency heat exchanger formed by stacking a series of metal sheets with a certain corrugated shape, thin rectangular channels are formed among various plate sheets, heat exchange is carried out through the plate sheets, and the plate heat exchanger is ideal equipment for carrying out heat exchange of liquid-liquid and liquid-vapor.
The plate heat exchanger is usually with a plurality of heat transfer fins by fixed splint and movable splint through threaded rod and fastening bolt close connection together, forms a confined space, and plate heat exchanger has big or small according to its service scenario, and high can reach two three meters, and for the high plate heat exchanger of these shapes, the highest fastening bolt is also higher than ordinary people, at this moment will screw up fastening bolt, and it is necessary to climb by means of instrument such as ladder to get up, not only troublesome, has the potential safety hazard moreover.
Disclosure of Invention
The utility model provides a fastening device for a plate heat exchanger, which is convenient to install and detach in order to make up the defects of the prior art.
The utility model is realized by the following technical scheme:
the fastening device for the plate heat exchanger is characterized by comprising a box body formed by a flat plate and a protective cover, wherein one end of the flat plate is provided with a first gear, the first gear is provided with a crank, the other end of the flat plate is provided with a through hole, the protective cover is provided with a convex part, a bracket is arranged in the convex part, a mounting plate is arranged on the bracket, a sleeve penetrating through the mounting plate is arranged on the mounting plate, the sleeve is connected with the mounting plate in a shaft rotation manner, the sleeve is internally hexagonal, the sleeve is provided with a second gear, and a plurality of transition gears meshed in sequence are arranged between the first gear and the second gear; the diameter of the through hole is larger than that of the second gear; the boss is provided with a through hole.
The flat plate is a waist-shaped plate.
The number of the transition gears is an odd number.
The back of the first gear end of the flat plate is fixedly provided with a first sucker.
The length of the rocker arm of the crank is larger than the radius of the first gear, the radius of the first gear is larger than the radius of the transition gear, and the radius of the transition gear is larger than the radius of the second gear.
The flat plate is clamped with the protective cover.
The protective cover is provided with a polygonal groove, the polygonal groove is matched with a pressing rod, the middle of the pressing rod is provided with a protruding block matched with the polygonal groove, and two ends of the pressing rod are fixedly provided with second suckers.
The beneficial effects of the utility model are as follows:
according to the utility model, through the mutual engagement of the first gear, the transition gear and the second gear, the crank finally drives the sleeve to rotate, so that the fastening nut is screwed, the crank used as power is lower in position, an operator can operate by standing on the ground, the trouble of climbing up and down is avoided, and the safety factor is enhanced.
Drawings
The utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic rear view of the present utility model;
FIG. 3 is a left side view of the present utility model;
FIG. 4 is a schematic cross-sectional view of the structure of FIG. 1 in the direction C-C;
FIG. 5 is a schematic structural view of a compression bar;
FIG. 6 is an enlarged structural schematic diagram of the structure shown in FIG. 2A;
fig. 7 is an enlarged schematic view of the structure at B in fig. 4.
In the figure, a flat plate 1, a protective cover 2, a convex part 21, a first gear 3, a crank 4, a first sucker 5, a through hole 6, a bracket 7, a mounting plate 8, a sleeve 9, a second gear 10, a transition gear 11, a through hole 12, a pressing rod 13, a second sucker 14, a convex block 15 and a polygonal groove 16.
Detailed Description
The drawings illustrate specific embodiments of the utility model. As shown in fig. 1 to 7, the fastening device for the plate heat exchanger comprises a box body formed by a flat plate 1 and a protective cover 2, wherein the flat plate 1 and the protective cover 2 can be fixedly connected or clamped, and the flat plate 1 is waist-shaped, namely, the shape of a playground; one end fixed mounting first gear 3 of dull and stereotyped 1, first gear 3 are located the box, and a crank 4 is connected to first gear 3, swing joint between crank 4 and the first gear 3, that is to say crank 4 can take off, this is prior art, and unnecessary description, and outside the protection casing 2 was located after the crank 4 was installed, the rocking arm of crank 4 was greater than the radius of first gear 3.
The other end of the flat plate 1 is provided with a through hole 6, the protective cover 2 of the end is provided with a protruding part 21, and the protruding part 21 is provided with a through hole 12; the through hole 6 is large enough to frame the fastening nut therein; a bracket 7 is arranged at a position of a through hole 12 in the boss 21, a mounting plate 8 is arranged at the top end of the bracket 7, a sleeve 9 is rotatably arranged on the mounting plate 8, one end of the sleeve 9, which is close to the through hole 6, is in a horn mouth shape, the horn mouth shape part cannot be too long, and can be 2-3 mm, the sleeve 9 can be conveniently sleeved on a fastening nut, the sleeve 9 is in a hexagon matched with the fastening nut, and the sleeve 9 can be in a full section of hexagon; however, only a small section is preferably hexagonal, and the thickness of the bell-mouth-shaped section plus the hexagonal section cannot be larger than that of the fastening nut, so long as the fastening nut can be sleeved; the sleeve 9 is fixedly provided with a second gear 10, a plurality of transition gears 11 which are sequentially meshed and connected are arranged between the first gear 3 and the second gear 10, the transition gears 11 can be arranged on the flat plate 1, the preferred number of the transition gears 11 is an odd number, such as 1, 3 or 5, the specific number is set according to specific situations, wherein the radius of the first gear 3 is larger than that of the transition gears 11, the radius of the transition gears 11 is equal, and the radius of the transition gears 11 is larger than that of the second gear 10.
To facilitate the threaded rod of the plate heat exchanger to pass through the through hole 12 in the boss 21, the sleeve 9 may extend to the through hole 12, even through the through hole 12; the through-hole 12 may also be made larger so that the diameter of the through-hole 12 is larger than the diameter of the sleeve 9.
In order to keep the utility model stable in the screwing process, a pressing rod 13 is also matched, two ends of the pressing rod 13 are respectively provided with a second sucker 14, a polygonal protruding block 15 is arranged in the middle of the pressing rod 13, the protruding block 15 and the second sucker 14 are positioned on the same side of the pressing rod 13, a polygonal groove 16 is arranged on the protective cover 2, and the polygonal groove 16 is matched with the polygonal protruding block 15
In view of the thickness of the protective cover 2, the polygonal groove 16 may also protrude from the surface of the protective cover 2, i.e. one polygonal groove 16 is separately installed on the protective cover 2.
The second suction cup 14 and the bump are sized as shown in fig. 5, considering the thickness of the present utility model when using a compression bar.
For stability in use, a first suction cup 5 is fixedly mounted on the back of the flat plate 1, but if a compression bar 13 is used, the back of the flat plate 1 may also be free of the first suction cup 5.
In view of weight, the flat plate 1, the hood 2, the bracket 7, the mounting plate 8, etc. can be made of a lightweight material, such as hard plastic, wood, etc., as much as possible.
The use process is as follows: after the middle and low-position fastening bolts are fastened, the threaded rod passes through the sleeve 9, the fastening nut is inserted into the hexagonal section, at the moment, if the fastening nut is far away from the movable clamping plate, the utility model can be held by one hand, the handle 4 is required to be cranked by one hand, the fastening nut is slowly close to the movable clamping plate through the sequential engagement of the first gear 3, the transition gear 11 and the second gear 10 (at the moment, the fastening nut is easy to screw because no fastening nut still plays a role in fastening), when the fastening bolt is leaned against the movable clamping plate, the flat plate 1 is also contacted with the movable clamping plate (can also have a slight gap and does not affect the use), the first sucker 5 is buckled on the movable clamping plate, the effect of stabilizing the utility model is achieved, at the moment, the pressing rod 13 can be used in an auxiliary (or not used) way, the convex blocks 15 on the pressing rod 13 are inserted into the polygonal grooves 16, the second suckers 14 at two ends are adsorbed on the movable clamping plate, two more people (or the other person and the other person can jointly press two people respectively) at the two ends of the pressing rod 13, and then the operator can twist the handle 4 to fasten the fastening nut. Since the other fastening nuts have already been tightened at this time, the movable clamping plate is basically already clamped, so that the uppermost fastening nut can be tightened at this time with only a short stroke.
After tightening, the utility model can be removed.
The technical features are known to those skilled in the art except the technical features described in the specification.
Claims (7)
1. The utility model provides a fastener for plate heat exchanger, characterized by includes the box that comprises dull and stereotyped (1) and protection casing (2), dull and stereotyped (1) one end is equipped with first gear (3), first gear (3) are equipped with crank (4), dull and stereotyped (1) other end is opened there is through-hole (6), protection casing (2) are equipped with bellying (21), are equipped with support (7) in bellying (21), are equipped with mounting panel (8) on support (7), be equipped with sleeve (9) that pass mounting panel (8) on mounting panel (8), the axle is changeed between sleeve (9) and mounting panel (8) and is connected, be hexagon in sleeve (9), be equipped with second gear (10) on sleeve (9), be equipped with a plurality of transition gear (11) that mesh in proper order between first gear (3) and second gear (10). The diameter of the through hole (6) is larger than that of the second gear (10); the boss (21) is provided with a through hole (12).
2. Fastening device for a plate heat exchanger according to claim 1, wherein the flat plate (1) is a waist-shaped plate.
3. A fastening device for a plate heat exchanger according to claim 1, wherein the number of transition gears (11) is an odd number.
4. Fastening device for a plate heat exchanger according to claim 1, characterized in that the back of the first gear (3) end of the plate (1) is provided with a first suction cup (5).
5. A fastening device for a plate heat exchanger according to claim 1, characterized in that the length of the rocker arm of the crank (4) is larger than the radius of the first gear (3), the radius of the first gear (3) is larger than the radius of the transition gear (11), the radius of the transition gear (11) is larger than the radius of the second gear (10).
6. Fastening device for a plate heat exchanger according to claim 1, characterized in that the flat plate (1) is clamped with the protective cover (2).
7. The fastening device for a plate heat exchanger according to claim 1, wherein the protection cover (2) is provided with a polygonal groove (16), the polygonal groove (16) is matched with a pressing rod (13), the middle part of the pressing rod (13) is provided with a protruding block (15) matched with the polygonal groove (16), and two ends of the pressing rod (13) are fixedly provided with second suckers (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321269337.3U CN219788243U (en) | 2023-05-24 | 2023-05-24 | Fastening device for plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321269337.3U CN219788243U (en) | 2023-05-24 | 2023-05-24 | Fastening device for plate heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219788243U true CN219788243U (en) | 2023-10-03 |
Family
ID=88180538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321269337.3U Active CN219788243U (en) | 2023-05-24 | 2023-05-24 | Fastening device for plate heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219788243U (en) |
-
2023
- 2023-05-24 CN CN202321269337.3U patent/CN219788243U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |