Plate heat exchanger for air conditioner refrigeration
By introducing an adjustable support assembly into the plate heat exchanger, the problem of bending and deformation of the upper guide rod is solved, the sealing and stability are improved, and the normal operation of the heat exchanger is ensured.
Patent Information
- Application Number
- CN202421866943.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-08-02
AI Technical Summary
During the large-scale process of existing plate heat exchangers, the upper guide rods are prone to bending and deformation, resulting in poor sealing and even leakage of medium, affecting the use effect.
An adjustable support assembly is used, including a first support assembly, a second support assembly and a third support assembly. The heat exchange plates are clamped by connecting rods and nuts. The adjustable support members are used to prevent the upper guide rod from bending and deforming, and the fixed clamping plate and the movable clamping plate are stably placed on uneven ground.
It effectively prevents the bending deformation of the upper guide rod, improves the sealing and stability of the plate heat exchanger, and ensures the normal use of the heat exchanger.
Smart Images
Figure CN223388987U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heat exchangers, in particular to a plate heat exchanger used for air conditioning and refrigeration. Background Art
[0002] Plate heat exchangers used for air conditioning and refrigeration are highly efficient heat exchangers constructed from a series of stacked, corrugated metal sheets. Existing plate heat exchangers include a fixed frame, which comprises a fixed pressure plate, upper and lower guide rods, and a bracket. The fixed pressure plate and bracket are connected to the upper and lower guide rods, respectively, through positioning holes to form a frame structure. A movable pressure plate slides between the fixed pressure plate and the bracket, and a number of heat exchange plates are arranged in parallel between the fixed pressure plate and the bracket. However, with the needs of actual production and daily life, plate heat exchangers have gradually developed towards larger sizes, resulting in an increasing number of heat exchange plates. This can cause the upper and lower guide rods to bend and deform, resulting in poor sealing between the heat exchange plates and even causing leakage of media from the heat exchanger, affecting its use. Utility Model Content
[0003] In view of this, an object of the present invention is to provide a plate heat exchanger for air conditioning and refrigeration that can solve or at least alleviate the above-mentioned problem, so as to effectively prevent the bending deformation of the upper guide rod of the plate heat exchanger.
[0004] The technical solution provided by the utility model is: a plate heat exchanger for air conditioning and refrigeration, comprising a fixed pressing plate, a movable pressing plate, a heat exchange plate, an upper guide rod, a lower guide rod and a support rod; the movable pressing plate is connected to the fixed pressing plate; multiple heat exchange plates are installed between the fixed pressing plate and the movable pressing plate; the upper guide rod and the lower guide rod are passed through the fixed pressing plate, the heat exchange plate and the movable pressing plate, and the upper guide rod and the lower guide rod are installed on the support rod at one end away from the fixed pressing plate; the fixed pressing plate and the movable pressing plate are connected by a connecting rod and a nut, clamping multiple heat exchange plates between the fixed pressing plate and the movable pressing plate; an adjustable first support assembly is installed on the lower side of the fixed pressing plate, an adjustable second support assembly is installed on the lower side of the movable pressing plate, and an adjustable third support assembly is installed at the lower end of the support rod.
[0005] In some embodiments, the first support assembly includes a first support base mounted on the lower side of the fixed pressing plate, a plurality of first pillars mounted on the lower side of the first support base, and a first adjustment base rotatably mounted on the first pillars.
[0006] In some embodiments, the first support seat is U-shaped, and a receiving groove is formed on the upper side of the first support seat, and the lower side of the fixed pressing plate is engaged in the receiving groove.
[0007] In some embodiments, the second support assembly includes a second support base mounted on the lower side of the movable pressure plate, a plurality of second pillars mounted on the lower side of the second support base, a second adjustment base rotatably mounted on the second pillar, and a roller rotatably supported on the lower end of the second pillar.
[0008] In some embodiments, the second support seat is U-shaped, and a receiving groove is formed on the upper side of the second support seat, and the lower side of the movable pressing plate is engaged in the receiving groove.
[0009] In some embodiments, the second adjusting member is a hollow body with openings at both ends, and one end thereof away from the second pillar is configured as a receiving space, and the second pillar can partially extend into the receiving space.
[0010] In some embodiments, a support shaft is installed at the lower end of the second pillar, and the support shaft is arranged perpendicular to the upper guide rod.
[0011] In some embodiments, annular grooves are respectively provided at both ends of the support shaft; the roller is rotatably mounted on the support shaft; the roller is annular, and a protrusion is provided on the inner side thereof, the protrusion extends along the circumference of the roller and is rotatably engaged in the annular groove.
[0012] In some embodiments, the second pillar is cylindrical and has a thread on its outer side; the second adjusting member has a thread on its inner side that engages with the thread of the second pillar.
[0013] In some embodiments, the third support assembly includes a third pillar mounted on the lower end of the support rod, and a third adjustment seat rotatably mounted on the third pillar.
[0014] Compared with the prior art, the present invention has at least the following beneficial effects:
[0015] 1. The plate heat exchanger for air conditioning and refrigeration provided by the utility model can effectively prevent the bending deformation of the upper guide rod of the plate heat exchanger.
[0016] 2. The first adjusting member of the first supporting member in the present invention can be rotated to adjust the distance between the fixed pressing plate and the ground, so that the fixed pressing plate can be stably placed on an uneven ground.
[0017] 3. The second adjusting member of the second adjusting assembly in the present invention can be rotated to support the movable pressing plate on the ground to prevent the upper guide rod from bending and deforming.
[0018] 4. In the present invention, when the movable pressing plate is passed through the upper guide rod and the lower guide rod, the roller can make the sliding of the movable pressing plate more labor-saving.
[0019] 5. The third adjusting member of the third adjusting assembly in the present invention can be rotated to adjust the distance of the support rod relative to the ground, so that the support rod can be stably placed on an uneven ground, thereby preventing the upper guide rod and the lower guide rod supported by the support rod from bending and deforming. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 A three-dimensional diagram of a plate heat exchanger for air conditioning and refrigeration according to an embodiment of the present invention is shown.
[0021] Figure 2 Shown Figure 1 A perspective view of a plate heat exchanger for air conditioning and refrigeration from another direction is shown.
[0022] Figure 3 Shown Figure 1 An exploded view of a plate heat exchanger for air conditioning and refrigeration is shown, with some components omitted.
[0023] Figure 4 Shown Figure 3 A partial enlarged view of part A.
[0024] Explanation of the accompanying drawings: 1-plate heat exchanger; 11-fixed pressure plate; 12-movable pressure plate; 13-heat exchange plate; 14-upper guide rod; 15-lower guide rod; 16-support rod; 17-connecting rod; 18-nut; 2-first support assembly; 21-first support seat; 22-first pillar; 23-first adjustment seat; 3-second support assembly; 31-second support seat; 32-second pillar; 321-support shaft; 322-ring groove; 33-second adjustment seat; 331-receiving space; 34-roller; 341-protrusion; 4-third support assembly; 41-third pillar; 42-third adjustment seat. DETAILED DESCRIPTION
[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0026] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.
[0027] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present invention. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.
[0028] In the present invention, terms such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "side", "bottom", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are merely relational words determined for the convenience of describing the structural relationships of the various parts or elements of the present invention, and do not specifically refer to any part or element in the present invention, and cannot be understood as a limitation on the present invention.
[0029] In this utility model, terms such as "fixed connection," "connected," and "connection" should be interpreted broadly to mean a fixed connection, an integral connection, or a detachable connection; a direct connection or an indirect connection through an intermediary. Relevant researchers or technicians in this field may determine the specific meaning of these terms in this utility model based on specific circumstances, and they should not be construed as limiting this utility model.
[0030] like Figure 1 and Figure 2 As shown, a plate heat exchanger 1 for air conditioning and refrigeration provided by an embodiment of the present invention includes a fixed pressing plate 11, a movable pressing plate 12, a heat exchange plate 13, an upper guide rod 14, a lower guide rod 15 and a support rod 16. The movable pressing plate 12 is connected to the fixed pressing plate 11. A plurality of heat exchange plates 13 are installed between the fixed pressing plate 11 and the movable pressing plate 12. The upper guide rod 14 and the lower guide rod 15 are passed through the fixed pressing plate 11, the heat exchange plate 13 and the movable pressing plate 12, and the ends of the upper guide rod 14 and the lower guide rod 15 away from the fixed pressing plate 11 are installed on the support rod 16. The fixed pressing plate 11 and the movable pressing plate 12 are connected by a connecting rod 17 and a nut 18, which clamps the plurality of heat exchange plates 13 between the fixed pressing plate 11 and the movable pressing plate 12. The heat exchange plates 13 and the fixed pressure plate 11 are each equipped with a water inlet, a water outlet, a refrigerant inlet, and a refrigerant outlet for the entry and exit of low-temperature and high-temperature media, respectively. The heat exchange plates 13 are provided with streamline guide grooves connected to the water inlet, which guide the low-temperature medium to the diversion area. The heat exchange plates 13 can adopt existing structures in the prior art and will not be described in detail here.
[0031] Also refer to Figures 2 to 4An adjustable first support assembly 2 is installed on the lower side of the fixed pressing plate 11, an adjustable second support assembly 3 is installed on the lower side of the movable pressing plate 12, and an adjustable third support assembly 4 is installed on the lower end of the support rod 16.
[0032] The first support assembly 2 includes a first support base 21 mounted on the lower side of the fixed pressure plate 11, a plurality of first pillars 22 mounted on the lower side of the first support base 21, and a first adjustment base 23 rotatably mounted on the first pillar 22. Preferably, the first support base 21 is fixed to the lower side of the fixed pressure plate 11 by welding. The first support base 21 is roughly U-shaped, and a receiving groove is formed on the upper side of the first support base 21, and the lower side of the fixed pressure plate 11 is engaged in the receiving groove. The first pillar 22 is fixed to the lower side of the first support base 21 by welding. The first pillar 22 is roughly cylindrical and has a thread on its outer side. The first adjustment member 23 is sleeved on the first pillar 22, and has a thread on its inner side that engages with the thread of the first pillar 22. When the first adjustment member 23 is rotated, the distance of the fixed pressure plate 11 relative to the ground can be adjusted so that the fixed pressure plate 11 can be stably placed on uneven ground.
[0033] The second support assembly 3 includes a second support base 31 mounted on the underside of the movable pressure plate 12, a plurality of second pillars 32 mounted on the underside of the second support base 31, a second adjustment base 33 rotatably mounted on the second pillars 32, and a roller 34 rotatably supported on the lower end of the second pillar 32. Preferably, the second support base 31 is secured to the underside of the movable pressure plate 12 by welding. The second support base 31 is generally U-shaped, with a receiving groove formed on its upper side into which the underside of the movable pressure plate 12 engages. The second pillar 32 is secured to the underside of the second support base 31 by welding. The second pillar 32 is generally cylindrical and has threads on its outer side. The second adjustment member 33 is mounted on the second pillar 32 and has threads on its inner side that engage with the threads of the second pillar 32. When the second adjustment member 33 is rotated, it can support the movable pressure plate 12 on the ground to prevent the upper guide rod 14 from bending or deforming. The second adjusting member 33 is a hollow body with two open ends. The end away from the second support 32 is provided with a receiving space 331, into which the second support 32 can partially extend. A support shaft 321 is mounted on the lower end of the second support 32. The support shaft 321 extends along the extension direction of the second support seat 31, that is, the support shaft 321 is arranged perpendicular to the upper guide rod 14. Annular grooves 322 are respectively provided at both ends of the support shaft 321. The roller 34 is rotatably mounted on the support shaft 321. The roller 34 is roughly annular in shape, and a protrusion 341 is provided on its inner side. The protrusion 341 extends along the circumference of the roller 34 and is rotatably engaged in the annular groove 322. When the movable pressure plate 12 is inserted into the upper guide rod 14 and the lower guide rod 15, the roller 34 can make the sliding of the movable pressure plate 12 more labor-saving. When the movable pressing plate 12 is installed, the second adjusting seat 33 is rotated to accommodate the roller 34 in the receiving space 331 .
[0034] The third support assembly 4 includes a third pillar 41 mounted on the lower end of the support rod 16, and a third adjustment seat 42 rotatably mounted on the third pillar 41. The third pillar 41 is fixed to the lower end of the support rod 16 by welding. The third pillar 41 is roughly cylindrical and has a thread on its outer side. The third adjustment member 42 is mounted on the third pillar 41 and has a thread on its inner side that engages with the thread of the third pillar 41. When the third adjustment member 42 is rotated, the distance of the support rod 16 relative to the ground can be adjusted so that the support rod 16 can be stably placed on an uneven ground, thereby preventing the upper guide rod 14 and the lower guide rod 15 supported by the support rod 16 from bending and deformation.
[0035] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. A plate heat exchanger for air conditioning and refrigeration, comprising a fixed pressure plate, a movable pressure plate, a heat exchange plate, an upper guide rod, a lower guide rod and a support rod; the movable pressure plate is connected to the fixed pressure plate; a plurality of heat exchange plates are installed between the fixed pressure plate and the movable pressure plate; the upper guide rod and the lower guide rod are passed through the fixed pressure plate, the heat exchange plate and the movable pressure plate, and one end of the upper guide rod and the lower guide rod away from the fixed pressure plate is installed on the support rod; the fixed pressure plate and the movable pressure plate are connected by a connecting rod and a nut, so that a plurality of heat exchange plates are clamped between the fixed pressure plate and the movable pressure plate; it is characterized in that An adjustable first support assembly is installed on the lower side of the fixed pressing plate, an adjustable second support assembly is installed on the lower side of the movable pressing plate, and an adjustable third support assembly is installed at the lower end of the support rod; the third support assembly includes a third pillar installed on the lower end of the support rod, and a third adjustment seat rotatably mounted on the third pillar; the third pillar is fixed to the lower end of the support rod by welding; the third pillar is cylindrical and has a thread on its outer side; the third adjustment seat is mounted on the third pillar and has a thread on its inner side that engages with the thread of the third pillar; when the third adjustment seat is rotated, the distance of the support rod relative to the ground can be adjusted.
2. The plate heat exchanger for air conditioning and refrigeration according to claim 1, characterized in that: The first supporting assembly includes a first supporting seat mounted on the lower side of the fixed pressing plate, a plurality of first pillars mounted on the lower side of the first supporting seat, and a first adjusting seat rotatably mounted on the first pillars.
3. The plate heat exchanger for air conditioning and refrigeration according to claim 2, characterized in that: The first support seat is U-shaped, and a receiving groove is formed on the upper side of the first support seat. The lower side of the fixed pressing plate is engaged in the receiving groove.
4. The plate heat exchanger for air conditioning and refrigeration according to claim 1, characterized in that: The second support assembly includes a second support base installed on the lower side of the movable pressing plate, a plurality of second pillars installed on the lower side of the second support base, a second adjustment base rotatably mounted on the second pillar, and a roller rotatably supported on the lower end of the second pillar.
5. The plate heat exchanger for air conditioning and refrigeration according to claim 4, characterized in that: The second support seat is U-shaped, and a receiving groove is formed on the upper side of the second support seat. The lower side of the movable pressing plate is engaged in the receiving groove.
6. The plate heat exchanger for air conditioning and refrigeration according to claim 4, characterized in that: The second adjustment seat is a hollow body with two ends open, and one end thereof away from the second support is configured as a receiving space, and the second support can partially extend into the receiving space.
7. The plate heat exchanger for air conditioning and refrigeration according to claim 6, characterized in that: A support shaft is installed at the lower end of the second pillar, and the support shaft is arranged perpendicular to the upper guide rod.
8. The plate heat exchanger for air conditioning and refrigeration according to claim 7, characterized in that: An annular groove is provided at both ends of the support shaft; the roller is rotatably mounted on the support shaft; the roller is annular, with a protrusion provided on the inner side thereof, the protrusion extending along the circumference of the roller and rotatably engaged in the annular groove.
9. The plate heat exchanger for air conditioning and refrigeration according to claim 4, characterized in that: The second pillar is cylindrical and has a thread on its outer side; the inner side of the second adjustment seat is provided with a thread engaged with the thread of the second pillar.