Vacuum pump with heat dissipation structure

Abstract

The invention belongs to the technical field of vacuum pumps, and particularly relates to a vacuum pump with a heat dissipation structure. Comprising a bottom plate; the pump body is fixedly connected to the bottom plate, a circulating heat dissipation module is arranged on the bottom plate, a suction cavity is formed in the pump body, and the circulating heat dissipation module is used for recycling water in the pump body and dissipating heat; the water storage cylinder is fixedly connected to the lower portion of the pump body, a sealing push plate is connected into the water storage cylinder in a sealed and sliding mode, a connecting block is fixedly connected into the water storage cylinder, a first through hole is formed in the connecting block, and the first through hole is used for communicating a suction cavity in the pump body with the water storage cylinder. The water storage cylinder is provided with a driving module used for pushing the sealing push plate to move. In the non-operation period of the pump body, water in the pump body is transferred into the water storage barrel, so that impurity deposits in the water are transferred into the water storage barrel from the interior of the pump body, and it is ensured that the subsequent pump body can rapidly form a stable water ring.

Description

Technical Field

[0001] The present invention complies with the technical field of vacuum pumps, and in particular relates to a vacuum pump with a heat dissipation structure. Background Art

[0002] A water ring vacuum pump is a mechanical device that relies on the rotation of a water ring to create a vacuum. It is mainly composed of a pump body, an impeller, and a distribution plate. Its working principle is: when the impeller rotates at high speed, the water in the pump body forms an annular water ring under the action of centrifugal force, thereby changing the volume of the pump chamber, realizing the suction, compression and discharge of gas, and finally forming a vacuum environment in the pump chamber. This type of vacuum pump is widely used in chemical, pharmaceutical, electric power, papermaking and other industries.

[0003] However, in actual use, the gas extracted by the water ring vacuum pump often contains impurities and particulate matter. These impurities will enter the pump with the gas and dissolve or deposit in the water. When the equipment stops running, these impurities will gradually settle at the bottom of the pump body as the water stands still, causing the inner wall of the water ring vacuum pump to be rough. When it is started next time, due to the deposition of impurities, it is difficult for the water ring to be established quickly and stably, which in turn affects the gas extraction efficiency and the startup performance of the equipment, reduces work efficiency, and increases maintenance frequency. Summary of the Invention

[0004] In order to overcome the shortcomings mentioned in the above background technology, the present invention provides a vacuum pump with a heat dissipation structure.

[0005] The technical solution is: a vacuum pump with a heat dissipation structure, including: base plate; A pump body is fixedly connected to the base plate. A circulating heat dissipation module is provided on the base plate. A suction cavity is provided in the pump body. Water is accumulated in the suction cavity of the pump body. The circulating heat dissipation module is used to circulate the water in the pump body and dissipate heat. A water storage cylinder is fixedly connected to the lower part of the pump body, a sealing push plate is sealingly and slidingly connected inside the water storage cylinder, a connecting block is fixedly connected inside the water storage cylinder, a first through hole is provided on the connecting block, the first through hole is used to connect the suction cavity in the pump body with the water storage cylinder, and the water storage cylinder is provided with a driving module for pushing the sealing push plate to move.

[0006] Furthermore, a second through hole is provided on the connecting block, and the second through hole is used to connect the suction cavity in the pump body with the water storage cylinder. A filter grating is provided in the second through hole on the connecting block, and a sealing assembly is provided on the sealing push plate, and the sealing assembly is used to seal the first through hole and the second through hole on the connecting block.

[0007] Furthermore, the blocking component includes: a first blocking member, disposed on the sealing push plate and slidably connected to the water storage cylinder, the first blocking member being sealingly slidably connected to the filter grating, the first blocking member being used to block the second through hole of the connecting block, a first elastic member being disposed between the first blocking member and the water storage cylinder; a second blocking member, slidably connected to the water storage cylinder and sealingly slidably connected to the sealing push plate, the second blocking member being used to block the first through hole of the connecting block, a second elastic member being provided between the second blocking member and the water storage cylinder; The pushing component is arranged on the water storage cylinder and is used to control the states of the first through hole and the second through hole on the connecting block.

[0008] Furthermore, the connecting block, the first blocking member and the second blocking member all have arc-shaped surfaces with the same curvature as the inner wall of the pump body suction cavity, so as to form a stable water ring on the pump body.

[0009] Furthermore, the pushing component includes: a driving member, the driving member being fixedly connected to the water storage cylinder; There are two extrusion blocks, which are symmetrically distributed in the center and are both fixedly connected to the output shaft of the driving member. The two extrusion blocks are respectively used to squeeze the first blocking member and the second blocking member to move.

[0010] Furthermore, the outer side surface of the extrusion block consists of an inner arc surface, two connecting inclined surfaces and an outer arc surface, and the inner arc surface and the outer arc surface are staggered with the two connecting inclined surfaces.

[0011] Furthermore, it also includes: A backflushing assembly is provided on the first blocking member and is used to remove impurities on the filter grid. The backflushing assembly includes: a connecting cylinder, sealingly and slidingly connected between the first blocking member and the sealing push plate, wherein the filter grating is located in the second through hole of the connecting block and seals and slides therein, and the connecting cylinder is fixedly connected to the filter grating; a third elastic member, disposed between the water storage cylinder and the connecting cylinder; The trigger assembly is arranged on the connecting cylinder and is used to drive the connecting cylinder to move.

[0012] Furthermore, the trigger component includes: A locking block, fixedly connected to the connecting cylinder; A pressing block fixedly connected to the second blocking member, the pressing block being used to squeeze the locking block; A limiting component is arranged in the water storage cylinder and is used to lock the locking block.

[0013] Furthermore, the limiting component includes: A limiting block is slidably connected to the water storage cylinder, and is used to limit the locking block; The fourth elastic member is arranged between the water storage cylinder and the limiting block.

[0014] Furthermore, the limiting block is fixedly connected to a trigger block, and the first blocking member is fixedly connected to a reset block, and the reset block is used to squeeze the trigger block to move.

[0015] Compared with the prior art, the technical effects achieved by the present invention are as follows: 1. The present invention transfers the water inside the water ring vacuum pump to the water storage cylinder when the water ring vacuum pump is not in operation, so that the impurity deposits in the water are transferred from the pump body to the water storage cylinder, thereby ensuring that the subsequent water ring vacuum pump can quickly form a stable water ring.

[0016] 2. By changing the communication channel between the water storage cylinder and the suction cavity in the pump body from the first through hole to the second through hole, and using the filter grid to block the impurities in the water of the water storage cylinder, the initial impurity content in the water when the water ring vacuum pump is running is reduced, and the accumulation of water impurities during the operation of the water ring vacuum pump is avoided, which affects the stability of the water ring.

[0017] 3. By changing the position of the filter grating, water is left between the filter grating and the first blocking piece. After the water in the pump body is injected, the filter grating is quickly reset to allow the water between it and the first blocking piece to backwash it, separating the impurities attached to the filter grating and ensuring the flow rate of the filter grating. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic cross-sectional view of the three-dimensional structure of the water storage cylinder of the present invention; Figure 3 It is a schematic cross-sectional view of the three-dimensional structure of the connecting block of the present invention; Figure 4 Schematic diagram of the three-dimensional structure of the extrusion block of the present invention; Figure 5 Schematic diagram of the three-dimensional structure of the inner and outer arc surfaces of the present invention; Figure 6 It is a schematic diagram of the three-dimensional structure of the connecting cylinder and the locking block of the present invention; Figure 7 It is a schematic diagram of the three-dimensional structure of the trigger block and the reset block of the present invention.

[0019] Names and serial numbers of parts in the figure: 1- bottom plate, 2- pump body, 3- circulation heat dissipation module, 4- water storage cylinder, 5- sealing push plate, 6- connecting block, 7- driving module, 201- filter grid, 202- first blocking member, 203- first elastic member, 204- second blocking member, 205- second elastic member, 206- driving member, 207- extrusion block, 2071- inner arc surface, 2072- connecting slope, 2073- outer arc surface, 301- connecting cylinder, 302- third elastic member, 303- locking block, 304- pressing block, 401- limiting block, 402- fourth elastic member, 403- trigger block, 404- reset block. DETAILED DESCRIPTION

[0020] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0021] Example 1 This embodiment discloses a vacuum pump with a heat dissipation structure, which is used to speed up the extraction of gas.

[0022] Reference Figure 1-Figure 3 As shown, it includes: a base plate 1; a pump body 2, which is fixedly connected to the base plate 1, and a circulation heat dissipation module 3 is provided on the base plate 1, a suction cavity is provided in the pump body 2, and water is accumulated in the suction cavity of the pump body 2, and the circulation heat dissipation module 3 is used to recycle the water in the pump body 2 and dissipate heat; a water storage cylinder 4, which is fixedly connected to the lower part of the pump body 2, and a sealing push plate 5 is sealingly and slidingly connected in the water storage cylinder 4, and a connecting block 6 is fixedly connected in the water storage cylinder 4, and a first through hole is provided on the connecting block 6, and the first through hole is used to connect the suction cavity in the pump body 2 with the water storage cylinder 4, and the water storage cylinder 4 is provided with a driving module 7 for pushing the sealing push plate 5 to move.

[0023] In the above scheme, the circulating heat dissipation module 3 is composed of a steam-water separator, a delivery pump and an air-cooled radiator. The steam-water separator, the delivery pump and the air-cooled radiator are all fixedly connected to the base plate 1, and the air outlet of the pump body 2 is connected to the steam-water separator through a pipe. The steam-water separator is connected to the suction cavity in the pump body 2 through a pipe. The delivery pump and the air-cooled radiator are located on the pipe between the steam-water separator and the pump body 2, and are respectively used to transport the water in the steam-water separator and dissipate the heat of the water in the steam-water separator. The connecting block 6 is located at the top of the water storage cylinder 4, and the volume of the water storage cylinder 4 is sufficient to accommodate the water in the pump body 2. The sealing push plate 5 is provided with a sewage outlet for discharging impurities inside the water storage cylinder 4. The driving module 7 is composed of a servo motor, two spur gears and a threaded shaft. The servo motor is fixedly connected to the water storage cylinder 4 through a connecting frame, and the threaded shaft is rotatably connected to the water storage cylinder 4 through the connecting frame. The output shaft and the threaded shaft of the servo motor are respectively fixedly connected to the two spur gears, and the two spur gears are meshed with each other. The threaded shaft is threadedly connected to the sealing push plate 5. The forward and reverse rotation of the output shaft of the servo motor is used to realize the up and down movement of the sealing push plate 5.

[0024] For details, please refer to Figure 2 and Figure 3 As shown, a second through hole is provided on the connecting block 6, and the second through hole is used to connect the suction cavity in the pump body 2 with the water storage cylinder 4. A filter grid plate 201 is provided in the second through hole on the connecting block 6, and a sealing assembly is provided on the sealing push plate 5, and the sealing assembly is used to seal the first through hole and the second through hole on the connecting block 6.

[0025] For details, please refer to Figure 3 and Figure 4 As shown, the blocking assembly includes: a first blocking member 202, which is provided on the sealing push plate 5 and is slidably connected to the water storage cylinder 4, the first blocking member 202 is sealingly and slidably connected to the filter grating 201, the first blocking member 202 is used to block the second through hole of the connecting block 6, and a first elastic member 203 is provided between the first blocking member 202 and the water storage cylinder 4; a second blocking member 204 is slidably connected to the water storage cylinder 4 and is sealingly and slidably connected to the sealing push plate 5, the second blocking member 204 is used to block the first through hole of the connecting block 6, and a second elastic member 205 is provided between the second blocking member 204 and the water storage cylinder 4; a pushing assembly, which is provided on the water storage cylinder 4 and is used to control the states of the first through hole and the second through hole on the connecting block 6, the connecting block 6, the first blocking member 202 and the second blocking member 204 all have an arc surface with the same curvature as the inner wall of the suction chamber of the pump body 2, so as to form a stable water ring in the pump body 2.

[0026] In the above scheme, the filter grating 201 is used to filter impurities in the water in the water storage cylinder 4, and the filter grating 201 is fixedly connected to the connecting block 6. However, only in this embodiment, there is a distance between the first blocking member 202 and the filter grating 201, leaving space for the first blocking member 202 to slide down. The first elastic member 203 is a spring, which is used to drive the first blocking member 202 to release the blockage of the second through hole of the connecting block 6. It is initially in a compressed state. At this moment, the first blocking member 202 is in a blocked state for the second through hole of the connecting block 6. The second elastic member 205 is a spring, which is used to drive the second blocking member 204 to release the blockage of the first through hole of the connecting block 6. It is initially in a compressed state. At this moment, the second blocking member 204 is in a blocked state for the first through hole on the connecting block 6.

[0027] For details, please refer to Figure 3-Figure 5 As shown, the pushing assembly includes: a driving member 206, which is fixedly connected to the water storage cylinder 4; there are two extrusion blocks 207, which are symmetrically distributed at the center and are both fixedly connected to the output shaft of the driving member 206, and the two extrusion blocks 207 are respectively used to squeeze the first blocking member 202 and the second blocking member 204 to move; the outer side surface of the extrusion block 207 is composed of an inner arc surface 2071, two connecting inclined surfaces 2072 and an outer arc surface 2073, and the inner arc surface 2071 and the outer arc surface 2073 are staggered with the two connecting inclined surfaces 2072.

[0028] In the above solution, the driving member 206 is a servo motor, and the driving member 206 is fixedly connected to the outside of the water storage cylinder 4 through a connecting frame. In the initial state, the left extrusion block 207 and the first blocking member 202 are fitted at the outer arc surface 2073, and the right extrusion block 207 and the second blocking member 204 are fitted at the outer arc surface 2073 (as shown in FIG. Figure 4 As shown in the state), since the two extrusion blocks 207 are centrally symmetrically distributed, that is, when the output shaft of the driving member 206 rotates clockwise three times by 120°, the first through hole and the second through hole on the connecting block 6 exist in three states, and correspond to a single 120° rotation respectively. The first state, i.e., the initial state (as shown in the state), is Figure 4 As shown), the first through hole and the second through hole on the connecting block 6 are both in a blocked state; in the second state, the first through hole on the connecting block 6 is in an open state, and the second through hole on the connecting block 6 is in a blocked state; in the third state, the first through hole on the connecting block 6 is in a blocked state, and the second through hole on the connecting block 6 is in an open state, and when the second state rotates to the third state, the first blocking member 202 contacts and slides with the connecting inclined surface 2072 of the corresponding extrusion block 207, and the second blocking member 204 does not contact the connecting inclined surface 2072 of the corresponding extrusion block 207, that is, the first blocking member 202 slides down first to open the second through hole on the connecting block 6, and then the second blocking member 204 moves up to close the first through hole on the connecting block 6.

[0029] Working principle: After the pump body 2 stops being used and the water in the pump body 2 is in a stable state, the driving member 206 is turned on, and the output shaft of the driving member 206 drives the two extrusion blocks 207 thereon to rotate 120 degrees clockwise (with Figure 4 (Explained in the right view direction), the fitting position of the second blocking member 204 and the right extrusion block 207 changes from the outer arc surface 2073 to the inner arc surface 2071 through the connecting inclined surface 2072. At this time, the fitting position of the first blocking member 202 and the left extrusion block 207 is still the outer arc surface 2073. During this period, the second elastic member 205 drives the second blocking member 204 to move downward, so that the second blocking member 204 releases the blockage of the first through hole on the connecting block 6. At this time, the suction chamber of the pump body 2 and the water storage cylinder are connected. 4 is connected, and the driving module 7 is turned on at the same time, so that the driving module 7 drives the sealing push plate 5 to move downward along the water storage cylinder 4, so that the water in the pump body 2 enters the water storage cylinder 4 along the first through hole on the connecting block 6, and so on until the water in the pump body 2 completely enters the water storage cylinder 4, and then the driving module 7 is stopped. By transferring the water inside the pump body 2 to the water storage cylinder 4 during the non-operating period of the pump body 2, the impurities in the water are transferred from the pump body 2 to the water storage cylinder 4, so as to ensure that the subsequent pump body 2 can quickly form a stable water ring.

[0030] When the pump body 2 is in use, the output shaft of the driving member 206 drives the two extrusion blocks 207 thereon to continue to rotate clockwise by 120°, so that the fitting position of the first blocking member 202 and the left extrusion block 207 changes from the outer arc surface 2073 to the inner arc surface 2071 via the connecting inclined surface 2072. During this period, the first elastic member 203 drives the first blocking member 202 to move downward, and the first blocking member 202 releases the blockage of the second through hole on the connecting block 6. At the same time, the fitting position of the second blocking member 204 and the right extrusion block 207 is transferred from the inner arc surface 2071 to the outer arc surface 2073, so that the right extrusion block 207 squeezes the second blocking member 204 to move upward. At the same time, the second elastic member 205 is compressed, and the second blocking member 204 blocks the connecting block again. 6, and then open the driving module 7, so that the driving module 7 drives the sealing push plate 5 to move upward, so that the water in the water storage cylinder 4 enters the suction cavity of the pump body 2 through the second through hole of the connecting block 6. During this period, the water will pass through the filter grid 201, which will block the impurities in the water and prevent the impurities from entering the suction cavity of the pump body 2, and so on until the water required to form a water ring in the pump body 2 is injected into the suction cavity inside it. By changing the communicating channel between the water storage cylinder 4 and the suction cavity in the pump body 2 from the first through hole to the second through hole, and blocking the impurities in the water of the water storage cylinder 4 through the filter grid 201, the initial impurity content of the water ring when the pump body 2 is running is reduced, and the accumulation of impurities in the water ring as the pump body 2 is running is avoided, which affects the stability of the water ring.

[0031] When the water required to form a water ring in the pump body 2 is injected into the suction chamber inside it, the output shaft of the driving member 206 drives the two extrusion blocks 207 thereon to rotate clockwise again, so that the fitting position of the first blocking member 202 and the left extrusion block 207 changes from the inner arc surface 2071 to the outer arc surface 2073. During this period, the left extrusion block 207 pushes the first blocking member 202 to move upward, and at the same time, the first elastic member 203 is compressed, and the first blocking member 202 forms a blockage for the second through hole of the connecting block 6. The fitting position of the second blocking member 204 and the right extrusion block 207 remains at the outer arc surface 2073, and the second blocking member 204 is still in a blocking state for the first through hole on the connecting block 6. Then the pump body 2 can start to operate to extract gas. When it stops running again, the above steps are repeated, and the staff needs to regularly clean the impurities in the water storage cylinder 4 so that the impurities are discharged from the sewage outlet on the sealing push plate 5.

[0032] Example 2 This embodiment discloses a vacuum pump with a heat dissipation structure, which is a further improvement on the basis of the first embodiment.

[0033] After the filter grating 201 has been running for a long time, a large amount of impurities will adhere to the filter grating 201, which may cause blockage and reduce its flow rate. However, with the normal pushing of the sealing push plate 5, the filter grating 201 is subjected to great pressure, causing the filter grating 201 to rupture and become unable to perform filtering work.

[0034] Reference Figure 3 and Figure 6 As shown, it also includes: a backflushing assembly, which is arranged on the first blocking member 202, and is used to remove impurities on the filter grid 201. The backflushing assembly includes: a connecting cylinder 301, which is sealingly and slidably connected between the first blocking member 202 and the sealing push plate 5, and the filter grid 201 is located in the second through hole of the connecting block 6 and slides in a sealing manner. The connecting cylinder 301 is fixedly connected to the filter grid 201; a third elastic member 302, which is arranged between the water storage cylinder 4 and the connecting cylinder 301; and a trigger assembly, which is arranged on the connecting cylinder 301 and is used to drive the connecting cylinder 301 to move.

[0035] In the above solution, the filter grid plate 201 is initially in contact with the first blocking member 202, and the first blocking member 202 is in a blocking state for the second through hole on the connecting block 6. The third elastic member 302 is a spring, and the third elastic member 302 is used to drive the connecting tube 301 to reset. The elastic coefficient of the third elastic member 302 is less than the elastic coefficient of the second elastic member 205.

[0036] Reference Figure 6 and Figure 7As shown, the trigger assembly includes: a locking block 303, fixedly connected to the connecting tube 301; a pressing block 304, fixedly connected to the second blocking member 204, the pressing block 304 is used to squeeze the locking block 303; a limiting assembly, arranged in the water storage tube 4, for locking the locking block 303.

[0037] In the above scheme, the locking block 303 is located at the bottom of the connecting cylinder 301 and below the sealing push plate 5. The pressing block 304 is located at the lower part of the second blocking member 204 and also below the sealing push plate 5. The second blocking member 204 can drive the connecting cylinder 301 to move downward through the pressing block 304 and the locking block 303, so that the connecting cylinder 301 drives the filter grid plate 201 to move downward synchronously, so that a sliding space is created between the filter grid plate 201 and the first blocking member 202, and the axial distance of the sliding space is greater than the downward movement distance when the first blocking member 202 opens the second through hole on the connecting block 6.

[0038] Reference Figure 6 and Figure 7 As shown, the limiting assembly includes: a limiting block 401, which is slidably connected to the water storage cylinder 4, and the limiting block 401 is used to limit the locking block 303; a fourth elastic member 402, which is arranged between the water storage cylinder 4 and the limiting block 401; the limiting block 401 is fixedly connected to the trigger block 403, and the first blocking member 202 is fixedly connected to the reset block 404, and the reset block 404 is used to squeeze the trigger block 403 to move.

[0039] In the above scheme, the limit block 401 is slidably connected to the inside of the water storage cylinder 4 through the connecting frame, the reset block 404 and the trigger block 403 both have inclined surfaces, and the inclined surfaces of the two are in contact with each other. In the initial state, the reset block 404 is in an extrusion state on the trigger block 403, and the fourth elastic member 402 is in a compression state. The position of the limit block 401 cannot form a limit on the locking block 303. When the first blocking member 202 moves down to open the first through hole on the connecting block 6, the reset block 404 releases the extrusion of the trigger block 403, and the fourth elastic member 402 drives the limit block 401 back to the position of limiting the locking block 303.

[0040] When the second blocking member 204 moves downward to release the blockage of the first through hole in the connecting block 6, allowing the water in the pump body 2 to enter the water storage cylinder 4, the second blocking member 204 drives the connecting cylinder 301 to move downward through the pressing block 304 and the locking block 303. At the same time, the third elastic member 302 is compressed, causing the connecting cylinder 301 to drive the filter grid 201 to move downward, and the filter grid 201 is separated from the first blocking member 202. At this time, because the first blocking member 202 is in a blocking state for the second through hole in the connecting block 6, that is, the reset block 404 is in a squeezing state for the trigger block 403, and the fourth elastic member 402 is in a compressed state, the limit block 401 is temporarily unable to limit the locking block 303.

[0041] Since the first blocking member 202 releases the blockage of the second through hole on the connecting block 6 before the second blocking member 204 blocks the first through hole on the connecting block 6 again, when the first blocking member 202 releases the blockage of the second through hole on the connecting block 6 and the water in the water storage cylinder 4 enters the suction chamber of the pump body 2, the first blocking member 202 moves downward and drives the reset block 404 thereon to move downward synchronously. The reset block 404 releases the squeeze on the trigger block 403. At this moment, the fourth elastic member 402 drives the limit block 401 to move to the position limiting the locking block 303, so that the limit block 401 forms a limit on the locking block 303, and this continues until the water in the suction chamber of the pump body 2 is injected. When the first blocking member 202 moves upward to block the second through hole of the connecting block 6, the second blocking member 204 has already moved upward to block the first through hole of the connecting block 6, that is, The pressing block 304 will not form a limit block for the locking block 303. The first blocking member 202 drives the reset block 404 to move upward synchronously, so that the reset block 404 squeezes the trigger block 403. The trigger block 403 is driven by the squeezing force to move the limit block 401 to release the limit on the locking block 303. At the same time, the fourth elastic member 402 is compressed. At this time, there is water between the filter grating 201 and the first blocking member 202. The third elastic member 302 drives the filter grating 201 to move upward and fit into the first blocking member 202 through the connecting tube 301. The filter grating 201 squeezes the water above it, causing the water to backwash the filter grating 201, separating impurities attached to the filter grating 201 from it, ensuring the flow rate of the filter grating 201, and preventing the filter grating 201 from being blocked and damaged by pressure. When the pump body 2 stops running, the above steps are repeated again.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A vacuum pump with a heat dissipation structure, characterized in that: Includes: Bottom plate (1); The pump body (2) is fixedly connected to the base plate (1), a circulating heat dissipation module (3) is provided on the base plate (1), a suction cavity is provided in the pump body (2), water is stored in the suction cavity of the pump body (2), and the circulating heat dissipation module (3) is used to circulate the water in the pump body (2) and dissipate heat; A water storage cylinder (4) is fixedly connected to the lower part of the pump body (2); a sealing push plate (5) is sealingly and slidably connected in the water storage cylinder (4); a connecting block (6) is fixedly connected in the water storage cylinder (4); a first through hole is provided on the connecting block (6); the first through hole is used to connect the suction cavity in the pump body (2) with the water storage cylinder (4); and the water storage cylinder (4) is provided with a driving module (7) for pushing the sealing push plate (5) to move.

2. A vacuum pump with a heat dissipation structure according to claim 1, characterized in that: A second through hole is provided on the connecting block (6), and the second through hole is used to connect the suction cavity in the pump body (2) with the water storage cylinder (4). A filter grid plate (201) is provided in the second through hole on the connecting block (6). A blocking component is provided on the sealing push plate (5), and the blocking component is used to block the first through hole and the second through hole on the connecting block (6).

3. A vacuum pump with a heat dissipation structure according to claim 2, characterized in that: The blocking component includes: A first blocking member (202) is provided on the sealing push plate (5) and is slidably connected to the water storage cylinder (4); the first blocking member (202) is sealingly and slidably connected to the filter grid plate (201); the first blocking member (202) is used to block the second through hole of the connecting block (6); a first elastic member (203) is provided between the first blocking member (202) and the water storage cylinder (4); A second blocking member (204) is slidably connected to the water storage cylinder (4) and is sealingly slidably connected to the sealing push plate (5); the second blocking member (204) is used to block the first through hole of the connecting block (6); a second elastic member (205) is provided between the second blocking member (204) and the water storage cylinder (4); A pushing component is provided on the water storage cylinder (4) and is used to control the states of the first through hole and the second through hole on the connecting block (6).

4. A vacuum pump with a heat dissipation structure according to claim 3, characterized in that: The connecting block (6), the first blocking piece (202) and the second blocking piece (204) all have arc-shaped surfaces with the same curvature as the inner wall of the suction cavity of the pump body (2), and are used to enable the pump body (2) to form a stable water ring.

5. The vacuum pump with a heat dissipation structure according to claim 3, characterized in that: The pushing component includes: A driving member (206), the driving member (206) being fixedly connected to the water storage cylinder (4); There are two extrusion blocks (207) which are symmetrically distributed in the center and are both fixedly connected to the output shaft of the driving member (206). The two extrusion blocks (207) are respectively used to squeeze the first blocking member (202) and the second blocking member (204) to move.

6. A vacuum pump with a heat dissipation structure according to claim 5, characterized in that: The outer side surface of the extrusion block (207) is composed of an inner arc surface (2071), two connecting inclined surfaces (2072) and an outer arc surface (2073), and the inner arc surface (2071) and the outer arc surface (2073) are staggered with the two connecting inclined surfaces (2072).

7. The vacuum pump with a heat dissipation structure according to claim 4, characterized in that: Also included are: A backflushing component is provided on the first blocking member (202), and is used to remove impurities on the filter grid plate (201). The backflushing component comprises: A connecting cylinder (301) is sealingly and slidably connected between the first blocking member (202) and the sealing push plate (5); the filter grating (201) is located in the second through hole of the connecting block (6) and slides sealingly; the connecting cylinder (301) is fixedly connected to the filter grating (201); A third elastic member (302) is provided between the water storage cylinder (4) and the connecting cylinder (301); A trigger assembly is provided on the connecting cylinder (301) and is used to drive the connecting cylinder (301) to move.

8. The vacuum pump with a heat dissipation structure according to claim 7, characterized in that: The trigger component includes: A locking block (303) fixedly connected to the connecting tube (301); A lower pressing block (304) is fixedly connected to the second blocking member (204), and the lower pressing block (304) is used to press the locking block (303); A limiting assembly is provided in the water storage cylinder (4) and is used to lock the locking block (303).

9. The vacuum pump with a heat dissipation structure according to claim 8, characterized in that: The limiting component includes: A limiting block (401) is slidably connected to the water storage cylinder (4), and the limiting block (401) is used to limit the locking block (303); The fourth elastic member (402) is arranged between the water storage cylinder (4) and the limiting block (401).

10. The vacuum pump with a heat dissipation structure according to claim 9, characterized in that: The limiting block (401) is fixedly connected to a trigger block (403), and the first blocking member (202) is fixedly connected to a reset block (404), and the reset block (404) is used to squeeze the trigger block (403) to move.

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